A narrative review of advances in emergency and critical care medicine in 2025: from bundle-based care to precision phenotyping and pragmatic implementation
Introduction
Background
Emergency and critical care medicine accounts for a substantial share of global mortality and disability. In 2019, the Global Burden of Disease study estimated that acute conditions requiring emergency care and/or surgical intervention contributed to approximately 37.85 million deaths and more than 1.3 billion disability-adjusted life-years (1). Sepsis and septic shock are implicated in an estimated 48 million cases annually and more than 11 million deaths worldwide, representing approximately one-fifth of all global deaths (2). Acute respiratory distress syndrome (ARDS) occurs in about 10% of intensive care unit (ICU) patients, and in-hospital mortality remains substantial despite evolving management strategies (3). Trauma also remains a major cause of preventable death, particularly in settings without mature trauma systems, where reported preventable mortality rates range from approximately 15% to 30% and outcomes continue to depend heavily on system organization and timely access to definitive care (4). Together, sepsis, acute respiratory failure, trauma, and cardiac arrest define a group of time-sensitive syndromes that continue to shape priorities in emergency and critical care. Cardiac arrest, addressed in the resuscitation section, remains an archetypal time-sensitive condition requiring coordinated system-wide integration across prehospital response, emergency care, and intensive care.
Over the past decade, efforts to improve outcomes have emphasized protocolized care, bundle-based management, and system-level quality infrastructure. In sepsis, bundled care and performance programs have been widely implemented, and higher bundle adherence has been associated with lower hospital and ICU mortality (2,5,6). In acute respiratory failure, lung-protective ventilation, prone positioning, and related strategies have supported a more standardized approach to ventilatory support across selected patient groups (7-13). In trauma, regional trauma systems, graded trauma centers, and team-based care have been associated with approximately 10% to 20% lower mortality, particularly among severely injured patients (14,15). These approaches have improved reliability in high-risk care, but important outcome gaps remain.
Rationale and knowledge gap
The limits of uniform strategies are increasingly apparent. Even well-supported protocols may yield variable benefit across heterogeneous patients and settings, and a single approach is unlikely to fit all patients (3,16). In sepsis, phenotype and endotype research highlights biologic heterogeneity that is not captured by syndrome-level labels. Across multiple domains, randomized trials conducted in high-resource settings with high protocol adherence have often demonstrated modest average treatment effects, emphasizing the need to identify which patients benefit, which do not, and where harms may occur when interventions are applied broadly (17-19).
At the same time, evidence emerging in late 2024 and becoming more prominent in 2025 has pointed to several interrelated shifts across emergency and critical care medicine. Collectively, these developments reflect a reorientation from fixed protocols to adaptive, person-centered strategies; from isolated episodes to integrated, whole-course care; and from proof-of-concept innovation to accountable implementation. Although prior reviews have summarized selected advances in sepsis, ARDS, resuscitation, trauma, or critical care artificial intelligence (AI), these topics have largely been addressed in isolation or within disease-specific frameworks. Fewer reviews have integrated these developments within a single framework that links bedside supportive care, care-continuum redesign, personalized supportive care, and pragmatic implementation across emergency and critical care medicine. This gap is important because the emergency department (ED) is no longer merely a site of triage or transfer, but an increasingly important therapeutic decision-making node within the broader continuum of critical illness care.
Objective
In this narrative review, we synthesize clinically relevant advances reported from November 2024 through December 15, 2025, with selective inclusion of foundational studies when needed for context. Our objective is not to provide an exhaustive catalog of all publications, but to identify the major conceptual and practice shifts most likely to influence adult emergency and critical care medicine. We focus on supportive care, systems redesign, personalized supportive therapy, precision phenotyping, and pragmatic implementation, with emphasis on patient-important outcomes, feasibility, and implications for bedside decision-making and future research. Key randomized trials and major guideline updates discussed in this review are summarized in Table 1. An overview of the major domains and cross-cutting themes discussed in this review is shown in Figure 1. We present this article in accordance with the Narrative Review reporting checklist (available at https://jeccm.amegroups.com/article/view/10.21037/jeccm-2026-1-0004/rc).
Table 1
| Domain | Study or guideline [year] | Population/setting | Intervention | Comparator | Primary outcome | Key result | Practice implication |
|---|---|---|---|---|---|---|---|
| Sepsis | ESICM guideline on fluid therapy [2025] | Adults with sepsis or septic shock | Initial crystalloids up to 30 mL/kg with frequent reassessment and context-specific tailoring | Not applicable (guideline) | Not applicable | Supports individualized dosing and repeated reassessment; does not endorse a single restrictive vs. liberal strategy during the optimization phase | Use phase-based, reassessment-driven resuscitation rather than default fixed volumes |
| ANDROMEDA-SHOCK-2 [2025] | Adults with septic shock | Personalized hemodynamic resuscitation targeting capillary refill time normalization | Usual care resuscitation | Hierarchical composite of mortality, duration of vital support, and hospital length of stay | Improved composite signal (win ratio reported); benefit driven mainly by shorter duration of vital support; no clear reduction in 28-day mortality | Use bedside perfusion assessment to guide escalation and de-escalation; avoid assuming physiologic gains guarantee survival benefit | |
| INHALE WP3 (pragmatic multicenter RCT) [2025] | Critically ill adults in ICU with suspected infection requiring antimicrobial decisions | Rapid syndromic PCR to support early antimicrobial decisions (with stewardship support) | Standard microbiology pathway | Clinical cure/clinical outcomes (trial-specific) | Improved early prescribing appropriateness; no consistent improvement in clinical outcomes across endpoints | Use rapid diagnostics to improve early decisions, but pair with reassessment and stewardship rather than expecting outcome benefit from diagnostics alone | |
| TARTARE-2S [2025] | Adults with septic shock | Tissue perfusion-targeted protocol incorporating multiple perfusion markers and lower MAP target | Usual care | Recovery-oriented composite (trial-specific) | No improvement in the primary outcome; no new major safety concerns reported | Avoid routine adoption of lower MAP/perfusion bundles without clear patient-important benefit; consider prospective subgroup testing | |
| ARDS and acute respiratory failure | UK-ROX [2025] | Mechanically ventilated adults in ICUs | Conservative oxygen strategy using the lowest FiO2 to maintain SpO2 around 90% (protocolized range) | Usual care oxygen practice | 90-day all-cause mortality | Substantially reduced oxygen exposure; mortality similar between groups | Treat oxygen as a dose; target sufficiency and avoid hyperoxia, but do not overpromise outcome benefit without confirmatory data |
| SESAR [2025] | Adults with ARDS receiving invasive mechanical ventilation | Inhaled sevoflurane sedation strategy | Propofol sedation strategy | Ventilator-free days (and longer-term survival, trial-specific) | Did not improve ventilator-free days; signal toward worse longer-term outcomes reported in the trial | Treat sedation choice as an outcome-relevant intervention; avoid routine escalation to inhaled sedation absent clear benefit | |
| STAMINA [2025] | Adults with ARDS receiving invasive mechanical ventilation | Driving pressure-limiting strategy with PEEP and tidal volume adjustments | Conventional lung-protective ventilation strategy | Ventilator-free days | No clear improvement in ventilator-free days | Personalization based on physiology should be tested against patient-important outcomes; avoid default escalation without demonstrated benefit | |
| NAVIGATE [2025] | Adults with mild acute respiratory failure on general wards | Early scheduled noninvasive ventilation strategy | Standard oxygen/usual escalation | Progression to severe acute respiratory failure | Reduced progression to severe respiratory failure | Earlier support outside the ICU can matter if embedded in reliable escalation pathways and staffing | |
| CPR and ECMO | AHA Guidelines for CPR and ECC [2025] | Out-of-hospital and in-hospital cardiac arrest systems | Updated resuscitation and post-cardiac arrest care recommendations | Prior guideline versions | Not applicable (guideline) | Emphasizes system performance across the chain of survival | Focus on reliability and time to key actions; treat guidelines as implementable quality targets |
| IVIO [2025] | Adults with out-of-hospital cardiac arrest | Initial intravenous access strategy (trial arm) | Initial intraosseous access strategy (trial arm) | Sustained ROSC | Differences in ROSC and survival were small and not clearly favorable for one route | Use the fastest reliable access and avoid delaying compressions and defibrillation | |
| LEVOECMO [2025] | Adults receiving VA-ECMO support in ICUs | Levosimendan adjunct therapy | Placebo/usual care | Successful VA-ECMO weaning (trial-specific) | No clear improvement in weaning success; more arrhythmias reported | Do not add levosimendan routinely during VA-ECMO; refine selection and test adjuncts within mature systems | |
| Trauma | FiiRST-2 [2025] | Adults with severe trauma triggering massive hemorrhage protocol | Early factor concentrate strategy (fibrinogen concentrate + PCC) | Early plasma-based hemostatic resuscitation | Allogeneic blood product use and clinical outcomes (trial-specific) | No clear mortality advantage; transfusion differences modest | Prefer goal-directed hemostasis when available; avoid routine replacement of plasma with concentrates absent clear benefit |
| Selected trauma analgesia trials [2025] | Adults with acute traumatic pain (prehospital and ICU cohorts) | Single-agent substitution strategies within analgesia protocols | Standard analgesia regimens | Pain and patient-centered outcomes (trial-specific) | Swapping one drug rarely changed downstream outcomes | Use multimodal, reassessment-driven analgesia and measure delirium, mobility, and longer-term opioid exposure, not pain scores alone | |
| AI and Tele-ICU | Consensus and safety frameworks for ICU AI [2025] | Hospitals deploying AI/Tele-ICU in acute care | Governance and monitoring requirements for AI as a clinical intervention | Ad hoc deployment | Not applicable (consensus) | Calls for transparency, oversight, calibration, drift surveillance, and human factors evaluation | Treat AI as a high-risk intervention requiring monitoring and accountability before scale |
| Pragmatic EHR screening alert trials [2025] | Hospital wards and ED settings using electronic deterioration/sepsis screening | EHR-based screening alerts integrated into workflows | Usual care without alerts | Mortality and process measures (trial-specific) | Improved processes; outcome effects mixed; harms such as alert burden and unintended events require monitoring | Deploy alerts only with workflow integration and safety monitoring; avoid assuming earlier detection equals better outcomes |
AHA, American Heart Association; AI, artificial intelligence; ARDS, acute respiratory distress syndrome; CPR, cardiopulmonary resuscitation; ECC, emergency cardiovascular care; ECMO, extracorporeal membrane oxygenation; ED, emergency department; EHR, electronic health record; ESICM, European Society of Intensive Care Medicine; FiO2, fraction of inspired oxygen; ICU, intensive care unit; MAP, mean arterial pressure; NIV, noninvasive ventilation; PCC, prothrombin complex concentrate; PCR, polymerase chain reaction; PEEP, positive end-expiratory pressure; ROSC, return of spontaneous circulation; SpO2, peripheral oxygen saturation; VA-ECMO, venoarterial extracorporeal membrane oxygenation.
Methods
This article is a structured, narrative review of recent advances most relevant to adult emergency and critical care practice. Rather than aiming to provide a full-year summary of 2024, we focused on literature published from November 2024 through December 15, 2025, because late-2024 publications provided the immediate evidentiary context for several major developments that became more visible, clinically influential, or operationalized in 2025. We searched PubMed, Embase, and the Cochrane Library, supplemented by targeted screening of major professional society and guideline websites, to identify randomized clinical trials, high-quality observational studies, consensus statements, and practice guidelines relevant to sepsis, ARDS, resuscitation and extracorporeal life support, trauma, precision phenotyping, and clinical AI in emergency and critical care medicine. The search was restricted to English-language publications involving adult populations, with selective inclusion of foundational studies from 2015 onward when they established current standards of supportive care.
We prioritized studies most likely to inform current practice, including major randomized trials, influential implementation studies, updated definitions or scoring systems, and guideline documents from internationally recognized professional societies. Additional relevant articles were identified through manual review of reference lists when they provided important clinical or conceptual context. Literature selection was targeted and interpretive rather than fully systematic; no formal meta-analysis was performed, and the review was not prospectively registered in the International Prospective Register of Systematic Reviews (PROSPERO). Accordingly, this review should be interpreted as a clinically oriented synthesis of recent, practice-relevant evidence rather than as a formal systematic review. A summary of the search strategy is provided in Table 2.
Table 2
| Items | Specification |
|---|---|
| Date of search | Final search date: December 15, 2025 |
| Databases and other sources searched | PubMed, Embase, and the Cochrane Library were searched. Major professional society and guideline websites were also screened, including sepsis, critical care, ARDS, resuscitation, trauma, and emergency medicine-related guideline sources, as relevant to the review topic |
| Search terms used | Searches combined controlled vocabulary terms (e.g., MeSH/Emtree where applicable) and free-text terms related to the major domains of the review, including: “sepsis”, “septic shock”, “acute respiratory distress syndrome”, “ARDS”, “resuscitation”, “cardiac arrest”, “extracorporeal membrane oxygenation”, “ECMO”, “trauma”, “precision phenotyping”, “multi-omics”, “artificial intelligence”, “critical care”, “intensive care”, “emergency medicine”, “guideline”, “consensus”, “trial”, “randomized”, and “implementation”. Search strategies were adapted to the syntax of each database. A detailed search strategy for one database is provided in Appendix 1 |
| Timeframe | Literature published or updated from November 2024 through December 15, 2025 was prioritized. Foundational studies from 2015 onward were selectively included when needed to provide context or define current standards of care |
| Inclusion and exclusion criteria | Included: randomized clinical trials, major observational studies, consensus statements, guideline documents, and selected foundational studies relevant to adult emergency and critical care practice; language restriction: English only; population: adult populations |
| Excluded: pediatric-focused studies, non-English publications, studies judged to be outside the clinical scope of the review, and reports not sufficiently relevant to the major conceptual themes of the manuscript | |
| Selection process | Literature selection was conducted by the authors as a targeted, interpretive narrative-review process rather than a formal systematic-review workflow. Studies were prioritized according to clinical relevance, evidentiary hierarchy, and contribution to the review’s major themes. Independent dual-reviewer screening and formal risk-of-bias assessment were not undertaken. Where needed, article selection and inclusion were discussed among the authors to reach consensus on thematic relevance and priority for inclusion |
| Any additional considerations | This review was designed as a structured narrative review, not a formal systematic review. No meta-analysis was performed, and the review was not prospectively registered. The aim was not to provide a comprehensive review of all literature published in 2024, but to capture the most recent body of evidence immediately preceding and shaping the major developments emphasized in 2025 |
ARDS, acute respiratory distress syndrome; ECMO, extracorporeal membrane oxygenation.
Sepsis and septic shock
From early resuscitation to the sepsis chain of survival: a continuum-of-care framework
Evidence in 2025 reframed sepsis care from an early resuscitation event to a continuum-of-care pathway, described as the “Sepsis Chain of Survival” (20). The conceptual framework of this care continuum is illustrated in Figure 2. Hidalgo and colleagues proposed that sepsis management should extend from prevention and risk reduction through prehospital recognition and transport, ED and ICU resuscitation, ongoing organ support, and post-acute recovery, with each link supported by defined processes and measurable quality indicators (20). The framework places greater emphasis on prevention in high-risk populations, including vaccination strategies and infection prevention programs intended to reduce incident sepsis (21). It also prioritizes earlier recognition in prehospital and ED settings through standardized screening and emergency medical services (EMS) alert pathways aimed at reducing delays to treatment. In the acute phase, it frames ED-ICU care as a coordinated workflow anchored to the time of sepsis recognition, integrating timely antimicrobials, fluid resuscitation, hemodynamic assessment, vasoactive support, and organ support rather than treating them as isolated tasks. Finally, it extends accountability beyond discharge; for example, the 2025 German S3 sepsis guideline update highlights health-related quality of life, cognitive impairment, and psychological sequelae as follow-up targets and recommends structured post-ICU follow-up, including multidisciplinary rehabilitation and dedicated post–intensive care clinics. Overall, this shift expands quality improvement targets beyond early antibiotics and fluids to include prevention, prehospital coordination, and post-sepsis outcomes. Unlike traditional bundle-based approaches centered on early resuscitation, the “Sepsis Chain of Survival” conceptualizes sepsis care as a continuous and accountable system extending across prevention, prehospital recognition, emergency and ICU care, and post-acute recovery.
Timing of antimicrobial initiation: from a universal 1-hour target to risk-stratified windows
In 2025, antimicrobial timing in suspected sepsis continued to shift from a universal 1-hour mandate toward risk-stratified initiation with explicit reassessment. The 2021 Surviving Sepsis Campaign guideline recommends antibiotics as soon as possible (ideally within 1 hour) for adults with possible septic shock or a high likelihood of sepsis, while allowing up to 3 hours for rapid evaluation and treatment initiation when sepsis is suspected without shock (22). Subsequent guidance, including the 2024 Korean Society of Critical Care Medicine guideline and a 2025 evidence synthesis, aligns with this approach: the most time-dependent benefit appears concentrated in septic shock, whereas in hemodynamically stable patients the priority is avoiding delays beyond 3 hours rather than enforcing a universal 1-hour deadline (23,24). In parallel, 2025 trials shifted emphasis from initiation alone to stewardship after initiation. In ADAPT-Sepsis, daily procalcitonin–guided decisions reduced antibiotic exposure without an observed increase in mortality (25). In INHALE WP3, rapid ICU-based syndromic polymerase chain reaction (PCR) improved appropriate and proportionate prescribing at 24 hours (absolute difference, 21%) but did not demonstrate noninferiority for 14-day clinical cure (26). Although BALANCE enrolled patients with bloodstream infection rather than sepsis per se, its findings support shorter-course antibiotic strategies in selected critically ill populations with favorable clinical response and controlled sources, but do not directly establish practice for all sepsis syndromes. Consistent with a “start promptly, then reassess” strategy, the BALANCE noninferiority trial in bloodstream infection (n=3,608; 55% ICU) found 7 days of antibiotics noninferior to 14 days for 90-day mortality (14.5% vs. 16.1%) (27). Taken together, the 2025 evidence supports treating septic shock as time-critical while preserving a short diagnostic window for stable presentations and prioritizing early reassessment, de-escalation, and shorter evidence-based courses once infection probability and clinical trajectory are clarified.
Fluid resuscitation and de-resuscitation: from fixed doses to individualized targets
Guideline updates and randomized trials in 2025 further moved sepsis fluid management away from fixed-volume dosing toward phase-based strategies that emphasize repeated reassessment and earlier de-resuscitation when appropriate. The 2025 European Society of Intensive Care Medicine (ESICM) guideline suggests administering up to 30 mL/kg of intravenous crystalloids during initial resuscitation for sepsis or septic shock, with dosing tailored to clinical context and repeated reassessment, and it does not endorse a uniform restrictive or liberal strategy during the optimization phase (28). Beyond volume, the clinical impact of crystalloid choice at the system level may be modest: in a pragmatic, hospital-wide, cluster-randomized crossover trial, a policy favoring lactated Ringer’s solution rather than normal saline did not significantly reduce the incidence of death or hospital readmission within 90 days (29). Randomized trials targeting perfusion and hemodynamics have yielded mixed results. In ANDROMEDA-SHOCK-2, a personalized hemodynamic protocol centered on capillary refill time normalization improved a hierarchical composite outcome that incorporated mortality, duration of life support, and length of stay {win ratio, 1.16 [95% confidence interval (CI): 1.02–1.33]}; the signal was driven primarily by shorter duration of life support, without a clear reduction in 28-day mortality (30). By contrast, in TARTARE-2S, a tissue perfusion–targeted protocol incorporating capillary refill time, peripheral temperature, lactate, and a lower mean arterial pressure (MAP) target (50–65 mmHg) did not improve the primary outcome of days alive with lactate normalization and freedom from vasoactive support at 30 days, and no new safety concerns emerged (31). After initial resuscitation, the REDUCE feasibility trial tested early de-resuscitation aimed at near-zero fluid balance within 3 days using fluid restriction with diuretics or mechanical removal when needed; the intervention achieved a lower cumulative fluid balance by day 3 (−2,353 vs. 793 mL; P<0.001) and shorter ICU and hospital stays (7 vs. 10 days; 16 vs. 22 days), whereas mortality effects remained exploratory and require confirmation in larger trials (32). In sum, these results support reassessment-driven fluids and selective targets, while highlighting that physiologic personalization has not reliably reduced mortality and that early de-resuscitation remains promising but unconfirmed for patient-important outcomes.
Precision use of corticosteroids in sepsis: from average effects to phenotype-stratified treatment
Recent analyses published in 2025 emphasized treatment-effect heterogeneity for corticosteroids in infection-associated sepsis and septic shock, shifting the focus from average effects to identifying subgroups more likely to benefit or be harmed. In a transcriptomic secondary analysis of the ADRENAL trial (n=540), patients were classified using a prespecified gene-expression signature into immune adaptive-prevalent (IA-P) (267/540) and immune innate-prevalent (IN-P) (273/540) endotypes; hydrocortisone was not associated with lower 28-day mortality in either group, and no clear endotype-by-treatment interaction was observed overall (33). In a pulmonary sepsis subgroup (232/540), however, IA-P patients who received hydrocortisone had higher 28-day mortality {odds ratio (OR), 5.55 [95% credible interval (CrI): 1.81–21.2]}, suggesting that infection source and immune state may jointly modify risk (34). A post hoc analysis of HYPRESS (n=317) similarly did not support biomarker-guided steroid targeting: baseline bio-adrenomedullin (bio-ADM) was prognostic for progression to septic shock and for 90-day mortality, but hydrocortisone did not reduce shock or mortality and showed no meaningful interaction across bio-ADM strata (shock interaction P=0.58) (35). In parallel, a multicenter target-trial emulation using eICU and MIMIC data (propensity-matched n=13,704) found a modestly higher hazard of 28-day mortality associated with corticosteroid exposure overall [hazard ratio (HR), 1.10 (95% CI: 1.04–1.16)], with heterogeneous associations across predicted organ-dysfunction trajectory subtypes (34). Collectively, current evidence supports continued pragmatic use of corticosteroids for vasopressor-dependent septic shock while treating immune endotypes, biomarkers, and trajectory phenotypes as hypothesis-generating rather than decision-ready stratifiers; a priority is prospective, stratified randomized trials using patient-centered outcomes (e.g., 90-day mortality or persistent organ dysfunction) (36).
Modernizing sepsis-related organ dysfunction assessment with Sequential Organ Failure Assessment (SOFA) 2.0
In 2025, sepsis-related organ dysfunction assessment was updated with SOFA 2.0 to better align grading thresholds with contemporary ICU therapeutics and organ support. SOFA 2.0 (published online October 29, 2025) was developed through a consensus-led, data-validated process intended to update the original score for contemporary ICU practice (37,38). Investigators analyzed 10 international multicenter cohorts from 2014 to 2023 (1,319 ICUs across 9 countries; 3,339,470 adult ICU admissions; ICU mortality, 8.1%). Overall, SOFA 2.0 preserves the familiarity of the original framework while updating operational definitions for modern ICU care. Its key contribution lies less in substantially improved discrimination than in enhanced face validity and usability in contemporary ICU practice, with potential advantages for more consistent bedside application and cross-study comparability.
Sepsis immunomodulation: from nonstratified therapy to phenotype-guided trials
The 2025 immunomodulation literature continued to move from nonstratified immune enhancement toward phenotype-guided enrollment and targeted therapy. In ImmunoSep, patients were classified at enrollment using ferritin and monocyte human leukocyte antigen (HLA)-DR as either a macrophage activation syndrome-like phenotype (MALS-like) or sepsis-induced immunoparalysis and were assigned to anakinra or recombinant interferon-γ, respectively; the stratified approach improved organ dysfunction by day 9 (35.1% vs. 17.9% with placebo), although 28-day mortality did not show a clear difference (39). In contrast, the phase 3 TESTS trial (n=1,106) evaluated thymosin α1 without phenotype-based selection and did not reduce 28-day mortality (23.4% vs. 24.1%; OR, 0.96) (40). Similarly, biomarker-enriched targeting has not consistently translated into better outcomes: in AdrenOSS-2, adrecizumab was well tolerated in septic shock but did not improve clinical outcomes or 90-day mortality (41). The dissociation between improvement in organ dysfunction and the absence of a clear mortality signal in ImmunoSep highlights the challenge of selecting appropriate endpoints in precision trials, particularly when biological enrichment and treatment-response heterogeneity may affect intermediate and definitive outcomes differently. Taken together, immunomodulation is increasingly being tested as a precision strategy, but phenotype definitions and outcome selection remain the rate-limiting steps for demonstrating durable, patient-important benefit.
For reference, ongoing and planned randomized clinical trials in sepsis and septic shock with key milestones expected in 2026 are summarized in Table 3.
Table 3
| Trial name | NCT | Population | Intervention vs. control | Primary outcome | Key dates | Why it matters |
|---|---|---|---|---|---|---|
| ARISE FLUIDS | NCT04569942 | Adults (≥18 y) with septic shock in the ED within 6 hours of triage | Restricted IV fluids + early vasopressor initiation vs. usual care (more liberal fluids and later vasopressors) | Days alive and out of hospital to day 90 (DAOH-D90) | Recruitment commenced Oct 2021; target completion late 2026 | Directly tests an ED-first resuscitation strategy (early vasopressors, less fluid) using a patient-centered endpoint |
| ALCAMIST (Albumin and Crystalloid Administration in Septic Shock) | NCT05148286 | ED adults (≥18 y) with suspected sepsis and shock (MAP <65 mmHg or SBP <80 mmHg) plus lactate ≥4 mmol/L | 200 mL 20% human albumin + 15 mL/kg crystalloid over 1–2 h vs. 30 mL/kg crystalloid (usual practice) | Survival (time point not captured in the accessible excerpt) | Status: enrolling (phase 4). Key milestone dates not captured in accessible excerpt; verify in registry | Clarifies whether early albumin supplementation during initial resuscitation improves outcomes in septic shock |
| REDUSE (Protocolized Reduction of Non-resuscitation Fluids) | NCT06140147 | Adults with septic shock (Sepsis-3) within 12 h after ICU admission and requiring vasopressors | Protocolized restrictive strategy for non-resuscitation fluids vs. usual care non-resuscitation fluids | Not captured in accessible excerpt; verify in registry record | Status: enrolling; intervention continues through ICU stay (max 90 days). Key milestone dates not captured in accessible excerpt | Targets the under-studied ‘maintenance/non-resuscitation’ fluid phase, where fluid creep may drive harm |
| FISSH (Fluids in Septic Shock) | NCT03677102 | Adults (≥16 y) with septic shock in ICU (protocol: infection + refractory hypotension or lactate >4 mmol/L, within 6 h) | Lower-chloride crystalloids (e.g., Ringer’s lactate) vs. higher-chloride fluids (0.9% saline) during ICU resuscitation/ongoing fluids | Acute kidney injury (KDIGO stage 2 or worse) per protocol document | Start date Sep 9, 2018; estimated completion Mar 31, 2026 (per listing) | A definitive test of chloride load and kidney injury risk in septic shock, with direct implications for default crystalloid choice |
| EVIS (Early Vasopressor In Sepsis)—candidate for 2026 watchlist | NCT05179499 | Sepsis/septic shock (details to verify) | Early norepinephrine strategy vs. standard timing (details to verify) | To verify | To verify (registry milestone dates) | Complements ARISE FLUIDS by isolating vasopressor timing as a key modifiable early-care lever |
| VASSPR—candidate for 2026 watchlist | NCT06217562 | Septic shock (details to verify) | Earlier vs. later vasopressin initiation thresholds (details to verify) | To verify | To verify (registry milestone dates) | Could reshape first-line vasopressor sequencing and thresholds in septic shock |
| Methylene blue in severe septic shock—candidate for 2026 watchlist | NCT06481410 | Refractory septic shock (details to verify) | Methylene blue vs. placebo/usual care (details to verify) | To verify | To verify (registry milestone dates) | Addresses catecholamine-refractory vasoplegia with a mechanistically distinct pathway (NO-cGMP) |
| Vitamin B6 + B12 + Vitamin C microcirculation strategy—candidate for 2026 watchlist | NCT06749756 | Septic shock (details to verify) | Vitamin combination vs. control (details to verify) | To verify | To verify (registry milestone dates) | Revisits metabolic/antioxidant adjuncts with modern microcirculation-focused endpoints |
ED, emergency department; ICU, intensive care unit; IV, intravenous; KDIGO, Kidney Disease: Improving Global Outcomes; MAP, mean arterial pressure; NO-cGMP, nitric oxide-cyclic guanosine monophosphate; SBP, systolic blood pressure; y, years.
What this means for clinicians
In sepsis, bedside decisions should move beyond uniform protocol compliance toward reassessment-driven care that accounts for shock status, physiologic trajectory, and evolving treatment response. Clinicians should treat septic shock as time-critical while integrating prehospital recognition, ED decision-making, and post-sepsis follow-up into a continuous care pathway.
ARDS
Global ARDS: implementation and evolving evidence in emergency and resource-limited settings
In 2025, adoption of the Global ARDS definition increasingly shifted ARDS identification upstream—toward earlier recognition outside the ICU, including EDs and general wards. Building on the Berlin framework, the consensus accepts high-flow nasal cannula (HFNC; ≥30 L/min) as qualifying support, allows an peripheral oxygen saturation (SpO2)/fraction of inspired oxygen (FiO2) ratio ≤315 (when SpO2 ≤97%) as an alternative to arterial blood gases, and recognizes lung ultrasound as an imaging option; importantly for resource-limited settings, it avoids requiring specific devices, oxygen-flow thresholds, or positive end-expiratory pressure (PEEP) levels, thereby improving feasibility for non-intubated hypoxemic respiratory failure (42). This “front-loaded” approach aligns with trials of ward-deliverable noninvasive support: in NAVIGATE, scheduled early noninvasive ventilation (NIV) (2-hour cycles every 8 hours) reduced progression to severe acute respiratory failure compared with usual care [18.5% vs. 28.3%; relative risk (RR), 0.65 (95% CI: 0.48–0.90)] (43). Low-cost adjuncts such as awake prone positioning remain appealing but have not consistently produced definitive outcome benefits when used alone; in PROVID [coronavirus disease 2019 (COVID-19)-related hypoxemic respiratory failure; n=445], the posterior probability favored benefit for the composite of intubation and/or death by 28 days, but the CrI crossed the null [mean OR, 0.74 (95% CrI: 0.48–1.09)] (44). Definitive effectiveness trials in resource-constrained environments are now positioned to clarify net benefit across strategies: ARISE-AFRICA (Uganda) is a stepped-wedge trial comparing continuous positive airway pressure (CPAP), HFNC, and standard oxygen with 28-day mortality as the primary outcome (enrollment reported as complete), and the BREATHE implementation-effectiveness trial (Kenya, Malawi, Rwanda) is evaluating high-flow vs. standard-flow oxygen and remains ongoing (45-47). Overall, 2025 evidence supports earlier, pragmatic ARDS identification beyond the ICU while shifting the research agenda toward scalable noninvasive bundles and context-specific trials that reflect constraints in oxygen supply, staffing, and escalation capacity.
2025 ARDS ventilation and liberation trials: from physiologic optimization to patient-important outcomes
Randomized trials published in 2025 increasingly tested whether more individualized ventilation and liberation strategies improve patient-important outcomes rather than physiologic targets alone. In STAMINA, a driving pressure-limiting strategy that titrated PEEP to best respiratory-system compliance and adjusted tidal volume did not increase ventilator-free days at 28 days compared with a conventional low-PEEP strategy [mean, 6 vs. 7 days; proportional OR, 0.72 (95% CI: 0.39–1.32)] (48). Similarly, physiologic “tools” improved intermediate measures without definitive clinical benefit: in a randomized trial of electrical impedance tomography (EIT)-guided PEEP (n=108), EIT titration improved day-1 oxygenation [arterial oxygen partial pressure (PaO2)/FiO2, 180 vs. 159 mmHg] and mechanics and was associated with greater early improvement in organ dysfunction, but the lower 28-day mortality (29% vs. 44%) was not statistically significant (49). Liberation outcomes were also shaped by nonventilatory choices; in SESAR, inhaled sevoflurane sedation (vs. propofol) was associated with fewer ventilator-free days and lower 90-day survival [HR, 1.31 (95% CI: 1.05–1.62)] (50). Pragmatic trials further questioned routine escalation of oxygen and postextubation support: in UK-ROX (97 ICUs; 16,500 randomized), a conservative oxygen strategy reduced oxygen exposure by 29% but did not lower 90-day mortality [35.4% vs. 34.9%; adjusted risk difference, 0.7 percentage points (95% CI: −0.7 to 2.0)] (51), and after extubation, HFNC at 60 vs. 40 L/min did not reduce reintubation or NIV within 48 hours [16.9% vs. 22.1%; risk difference, 5.2% (95% CI: −6.7% to 17.1%)] (52). Taken together, 2025 trials suggest that imaging-guided and physiologic optimization strategies do not currently warrant routine adoption as outcome-improving defaults, but remain promising candidates for phenotype-stratified or context-specific trials that prespecify responsive subgroups (e.g., recruitability or physiologic responsiveness) and prioritize end points such as mortality, liberation success, and longer-term function.
Corticosteroids for adult ARDS: from routine use to dose- and phenotype-targeted therapy
Guideline updates and trial evidence in 2025 shifted attention in adult ARDS from routine corticosteroid use toward regimen selection—agent, dose, duration, and patient selection. A 2025 JAMA Clinical Guidelines Synopsis, informed by the Society of Critical Care Medicine’s 2024 focused update, issued a conditional recommendation (moderate certainty of evidence) to use systemic corticosteroids in critically ill adults with ARDS, while noting insufficient evidence to specify the optimal agent, dose, or duration (53,54). Consistent with this uncertainty, the RECOVERY platform trial compared higher-dose dexamethasone (20 mg daily for 5 days, then 10 mg daily for 5 days) with usual care (most commonly dexamethasone 6 mg daily) in hospitalized patients with COVID-19 requiring ventilatory support and did not reduce 28-day mortality [n=477; 35% vs. 37%; rate ratio, 0.87 (95% CI: 0.64–1.33); P=0.37] (55). These findings caution against empiric dose escalation beyond established low-dose regimens as a default strategy and reinforce the need to weigh potential complications, including secondary infection, hyperglycemia, and ICU-acquired weakness or myopathy. In sum, 2025 evidence supports systemic corticosteroids as a guideline-concordant option for moderate to severe ARDS but does not justify higher-dose regimens as routine escalation; priority research gaps include non-COVID-19 trials that prespecify agent-dose-duration and test phenotype- or biomarker-guided targeting using patient-important outcomes (e.g., mortality, liberation success, and long-term functional recovery).
Randomized evidence for novel ARDS imaging and physiologic monitoring tools and the shift toward precision stratification
Randomized trials in 2025 of novel ARDS imaging and physiologic monitoring tools reinforced a recurring theme: bedside visualization and transpulmonary pressure-guided approaches can improve physiologic measures, but evidence for patient-important benefit remains insufficient. In a randomized trial of EIT-guided PEEP (n=108), EIT-based decremental titration improved oxygenation on days 1–2 (day-1 PaO2/FiO2, 180 vs. 159 mmHg), increased respiratory-system compliance, reduced driving pressure, and was associated with greater early improvement in organ dysfunction, yet the reduction in 28-day mortality was not statistically significant (29% vs. 44%; P=0.09) (51). A single-center randomized trial comparing airway pressure release ventilation (APRV) with low-tidal volume ventilation (n=40) used EIT to assess regional ventilation and perfusion and found improved dorsal ventilation, enhanced ventilation-perfusion matching, and higher oxygenation with APRV, but it was designed around short-term physiologic end points rather than clinical outcomes (56). Implementation heterogeneity also limited generalizability: in a randomized crossover study (n=20), different esophageal pressure-based calculation algorithms produced clinically meaningful differences in recommended PEEP (≥3 cmH2O in 70% of patients) with weak agreement between methods, and short-term oxygenation and hemodynamic end points did not consistently favor either approach (57). Collectively, these data support these tools as physiologic adjuncts but not as outcome-improving defaults; priority next steps include multicenter trials that standardize measurement and algorithms, prespecify phenotype-based stratification (e.g., recruitability and chest wall load), formally test treatment interaction, and are powered for patient-important outcomes (mortality, liberation success, and long-term functional recovery).
What this means for clinicians
In ARDS, physiologic optimization alone should not be assumed to improve patient-important outcomes. Clinicians should prioritize evidence-based supportive care, avoid routine escalation without clear indication, and interpret imaging-, ventilation-, or phenotype-guided strategies as selective rather than default approaches.
Resuscitation and extracorporeal life support
2025 advances in cardiopulmonary resuscitation (CPR)
In 2025, advances in CPR emphasized a system-based Chain of Survival—extending from prevention and preparedness to early recognition, resuscitation, post-cardiac arrest care, and recovery across in-hospital and out-of-hospital settings. The 2025 American Heart Association (AHA) Guidelines for CPR and Emergency Cardiovascular Care (ECC) represent the first comprehensive revision since 2020 and are explicitly organized around this unified chain for adults and children (58). For lay rescuers and dispatch-supported prehospital care, the most operational updates prioritize actions that can be executed immediately: for severe foreign-body airway obstruction in adults, the guideline recommends repeating cycles of 5 back blows followed by 5 abdominal thrusts until the obstruction is relieved or the patient becomes unresponsive, and it incorporates this sequence into the adult basic life support algorithm. In parallel, suspected opioid overdose is addressed as a system strategy by integrating a structured response algorithm and expanding public-access naloxone, with attention to policy enablement and Good Samaritan protections to reduce delays in reversal before respiratory arrest progresses to cardiac arrest (59,60). Pragmatic prehospital randomized trials published in 2025 highlight the distinction between process gains and patient outcomes: in IVIO (1,506 randomized; 1,479 analyzed), an intraosseous-first strategy increased successful access within 2 attempts (92% vs. 80%) but did not improve sustained return of spontaneous circulation (ROSC) [30% vs. 29%; RR, 1.06 (95% CI: 0.90–1.24)] or 30-day survival [12% vs. 10%; RR, 1.16 (95% CI: 0.87–1.56)] (61), and PARAMEDIC-3 (6,082 randomized) found no improvement in 30-day survival [4.5% vs. 5.1%; adjusted OR (aOR), 0.94 (95% CI: 0.68–1.32)] with slightly lower ROSC at any time [36.0% vs. 39.1%; aOR, 0.86 (95% CI: 0.76–0.97)] (62). Taken together, 2025 evidence suggests that while faster vascular access improves operational performance, gains in survival are more likely to depend on coordinated chain-wide delivery—early recognition, bystander action, timely defibrillation, high-quality CPR, and integrated post–cardiac arrest care—rather than routine escalation of a single technical approach.
Venoarterial extracorporeal membrane oxygenation (VA-ECMO)/extracorporeal cardiopulmonary resuscitation (ECPR) in 2025: from feasibility to selection and systems of care
Randomized trials published in 2025 reinforced that the central challenge for VA-ECMO and ECPR is less technical feasibility than patient selection and reproducible systems of care. In LEVOECMO (11 ICUs in France; n=205), early levosimendan did not shorten time to successful VA-ECMO weaning within 30 days or increase weaning success [68.3% vs. 68.3%; subdistribution HR, 1.02 (95% CI: 0.74–1.39); P=0.92], and 60-day mortality was similar, while ventricular arrhythmias were more frequent with levosimendan (17.8% vs. 8.7%) (63). In EVIDENCE (n=197), an accelerated pathway prioritizing transport under mechanical CPR with immediate catheterization-laboratory evaluation for coronary intervention and/or ECPR did not improve survival with favorable neurologic status at hospital discharge [cerebral performance category (CPC) 1–2] [15% vs. 16%; risk difference, −1.1% (95% CI: −12.2% to 10.0%); adjusted RR, 0.95 (95% CI: 0.50–1.80)] (64). In cardiogenic shock supported with VA-ECMO, 1-year follow-up of EARLY-UNLOAD showed no benefit of routine early left ventricular unloading [all-cause mortality, 56.9% vs. 57.1%; HR, 0.97 (95% CI: 0.60–1.58)] (65). Overall, these trials do not support default escalation to more intensive pharmacologic augmentation, accelerated ECPR pathways, or routine early unloading; instead, resource-intensive strategies should be targeted to prespecified eligibility criteria (e.g., reversible etiology, low-flow duration, and cardiopulmonary phenotype) and delivered within standardized, measurable workflows, with pragmatic trials needed to define net benefit using patient-centered outcomes (survival with favorable neurologic function, long-term recovery, and meaningful weaning and rehabilitation end points).
What this means for clinicians
In resuscitation and extracorporeal support, speed and technical capability remain important, but implementation should be guided by patient selection, system readiness, and downstream functional outcomes rather than procedural intensity alone. Clinicians should view ECPR and related pathways as system-level interventions requiring coordinated protocols, training, and outcome surveillance.
Trauma
Factor concentrates vs. plasma for early hemostatic resuscitation in severe trauma
Randomized evidence published in 2025 in severe traumatic hemorrhage tested whether early hemostatic resuscitation can be improved by substituting factor concentrates for plasma within contemporary massive hemorrhage protocols. In FiiRST-2, adults (≥16 years) with severe trauma who triggered a massive hemorrhage protocol on arrival at 6 Canadian level I trauma centers were randomized to receive fibrinogen concentrate (4 g) plus prothrombin complex concentrate (PCC; 2,000 IU) within the first 2 protocol packs or 4 units of fresh frozen plasma, with subsequent component-based resuscitation delivered per protocol (66). Among 217 randomized patients (107 vs. 110), 137 were included in the primary analysis (66 vs. 71). Total allogeneic blood product use within 24 hours was similar between groups [20.8 units (95% CI: 16.7–25.9) vs. 23.8 units (95% CI: 19.2–29.4)], and thromboembolic events and 24-hour and 28-day mortality did not differ; the trial stopped early after interim analysis suggested low conditional power. Overall, these findings do not support routine empiric substitution of fibrinogen concentrate plus PCC for plasma on top of component-based resuscitation and instead support future trials that target therapy to measurable coagulopathy phenotypes using bedside thresholds (e.g., viscoelastic testing) with prespecified interaction analyses.
Trauma pain management in 2025
Randomized evidence in 2025 suggests that simply “adding a stronger analgesic or sedative” is not equivalent to delivering high-quality multimodal analgesia in critically injured patients. In the prehospital PACKMaN double-blind trial (n=449), titrated ketamine vs. morphine for severe acute traumatic pain did not improve the primary outcome (prearrival pain difference score), with an adjusted between-group difference near zero (67). In ICU patients with rib fractures, a small double-blind randomized trial published in JAMA Surgery (n=41) found that adding dexmedetomidine to an existing multimodal regimen did not improve 48-hour pain control or reduce opioid use, and treatment discontinuations were common (68). Emerging data also support early regional anesthesia, including fascial plane blocks, in patients with rib fractures, although large pragmatic comparative trials remain limited. These findings shift the emphasis from medication escalation to execution: standardized pathways that begin with structured pain assessment and repeated reassessment, prioritize nonopioid and regional techniques, and use the minimum effective opioid strategy while aligning analgesia goals with respiratory support, delirium prevention, and liberation plans. Taken together, 2025 trials do not support routine “add-on” escalation of single agents as a default approach and instead support protocolized, injury- and risk-stratified multimodal analgesia strategies evaluated using patient-centered outcomes (e.g., pulmonary complications, duration of ventilation, delirium, long-term function, and persistent opioid use) (67,68).
What this means for clinicians
In trauma, better outcomes depend not only on faster interventions but also on structured systems of triage, analgesia, imaging, and definitive care. Clinicians should favor protocolized, injury-stratified management and use multimodal pain strategies that align analgesia goals with respiratory support, delirium prevention, and recovery.
Precision multi-omics phenotyping
Multi-omics studies in 2025 increasingly moved beyond subtype description by tying molecular strata to candidate treatment strategies. The CMAISE consortium assembled a prospective longitudinal cohort across 43 hospitals (1,327 ICU patients; sampling on ICU days 1, 3, and 5) integrating high-granularity clinical phenotyping with transcriptomic (n=2,776), proteomic (n=468), and metabolomic (n=457) profiles, and proposed a goal-directed subgroup identification framework designed to maximize differential treatment effects (e.g., restrictive vs. more liberal fluid strategies; ulinastatin exposure), yielding cross-omics-concordant subgroups (Light’s κ≈0.63) and simplified classifiers evaluated in external ICU datasets (MIMIC-IV, eICU-CRD, AmsterdamUMCdb) (17). A related 2024 septic shock analysis applied a similar treatment-linked approach, deriving a transcriptome-informed fluid benefit score associated with improved survival when management was concordant (HR, 0.82) and distilling the signal into a 6-protein panel (area under the curve, 0.802), supporting a potential path toward deployable testing (19). In parallel, standardization efforts advanced: Scicluna and colleagues harmonized ICU admission-day transcriptomes from MARS and GAinS (n=1,122) into 3 consensus subtypes supported by an 18-gene classifier (out-of-bag error, 2.2%) (69), and the SUBSPACE consortium compared endotyping frameworks across 37 cohorts (>7,074 samples) to derive cell-type-specific signatures quantifying myeloid and lymphoid dysregulation, enabling prespecified tests of treatment interaction (70); in ARDS, time-aware integration of ROSE metabolomic and transcriptomic data using MEFISTO identified mortality-associated molecular signatures persisting from day 0 to day 2 and replicating externally (71). In sum, the 2025 trajectory suggests that the most clinically useful multi-omics work will pair parsimonious assays with prospectively testable, treatment-linked hypotheses (including formal interaction testing) and incorporate time-aware modeling to connect biological mechanisms to patient-important outcomes.
What this means for clinicians
Multi-omics phenotyping is beginning to clarify clinically meaningful heterogeneity in sepsis and other critical illnesses, but most approaches are not yet ready for routine bedside decision-making. For now, clinicians should view these tools primarily as a framework for trial enrichment and future treatment stratification rather than as stand-alone guides for current care.
Clinical AI
Across 2025, clinical AI in emergency and critical care moved from retrospective model development toward implementation, governance, and measurable clinical impact. A systematic review of 1,263 ICU AI studies found that 74% remained in early development and only 25 (2%) reached clinical integration; reporting was frequently incomplete and more than half of studies were rated at high risk of bias, underscoring the persistent gap between retrospective modeling and implementable, outcome-focused evidence (72). A 2025 consensus statement in Critical Care similarly treated AI as a high-risk intervention and emphasized governance requirements for patient safety, transparency, and interdisciplinary oversight (73). Against this backdrop, three strands of evidence pointed toward more clinically relevant directions. Large-scale electronic health record (EHR) foundation models (e.g., ETHOS, pretrained on 285,622 patient trajectories) were developed for multitask prediction, supporting a shift from single-purpose tools to more transferable clinical representations (74). In parallel, dynamic decision models began to face broader external validation: in septic shock, a vasopressin-timing model validated across 227 hospitals showed lower in-hospital mortality with concordant treatment [aOR, 0.81 (95% CI: 0.68–0.97)] and higher mortality with discordant treatment [OR, 1.20 (95% CI: 1.04–1.39)], strengthening the case for prospective testing of policy recommendations (75). Pragmatic trials of electronic screening also yielded outcome signals, although not without trade-offs. In the stepped-wedge SCREEN trial (5 hospitals; 45 wards; n=60,055), quick Sequential Organ Failure Assessment (qSOFA) based electronic screening increased lactate testing within 12 hours [adjusted RR, 1.30 (95% CI: 1.16–1.45)] and orders for intravenous fluids [adjusted RR, 2.17 (95% CI: 1.92–2.46)] and was associated with lower 90-day in-hospital mortality [adjusted RR, 0.85 (95% CI: 0.77–0.93); P<0.001], while higher rates of code blue events, renal replacement therapy, and Clostridioides difficile events were also observed during implementation. These findings should be interpreted as associations observed within the study context rather than as direct evidence that the early detection intervention itself caused these events, but they underscore the need for careful calibration and safety surveillance when earlier detection tools are embedded into clinical workflows (76). Collectively, these developments suggest a transition from benchmarking model accuracy to building transferable representations, testing decision policies, and evaluating real-world deployment with explicit safety monitoring. The next evidence step is larger pragmatic randomized trials with prespecified calibration and fairness assessments across sites, coupled with routine postdeployment monitoring (“algorithmovigilance”) integrated into hospital quality and safety programs and supported by dedicated informatics oversight, standardized reporting pathways, and institutional resources for ongoing surveillance.
What this means for clinicians
Clinical AI should be judged not only by model performance but also by how safely and reliably it functions in real-world care. Clinicians and health systems should treat deployment as an ongoing clinical implementation process requiring calibration checks, governance, and postdeployment monitoring rather than as a one-time technical success.
Strengths and limitations of this review
This review has several strengths. It synthesizes recent clinically relevant advances across emergency and critical care medicine within a single framework, with emphasis on supportive care, systems redesign, personalized supportive care, precision phenotyping, and pragmatic implementation. It also prioritizes randomized trials, major observational studies, consensus statements, and guideline documents most likely to influence current practice.
This review also has limitations. It was designed as a structured, narrative review with targeted literature selection rather than a formal systematic review. Accordingly, no protocol was prospectively registered, no dual-reviewer screening was performed, no formal risk-of-bias assessment was undertaken, and no meta-analysis was conducted. The search was restricted to English-language publications and focused on studies judged most relevant to adult emergency and critical care practice, which may have introduced selection bias and limited comprehensiveness. In addition, some findings discussed in this review were derived from specific health systems, trial settings, or highly selected patient populations, which may limit generalizability across settings and regions.
Conclusions
Much of the progress in emergency and critical care has come from standardizing what can be standardized. The 2025 evidence, however, underscores a familiar problem: improvements in intermediate physiology do not consistently become durable, patient-important benefit, and effects differ by patient and by phase of illness. What is needed now are phase-based strategies that update goals as shock evolves, rather than fixed volumes or single cutoffs, with prespecified, clinically credible subgroups (for example, cardiac dysfunction, persistent hyperlactatemia, or early congestion). Fluid and vasopressor trials will be more informative if they define exposure by dose, timing, and trajectory; measure harm as carefully as benefit; and emphasize recovery outcomes such as organ support–free days, functional status, and discharge disposition. In ARDS, ventilation and liberation studies should connect changes in mechanics to longer-term cognition and quality of life. Study designs should extend beyond hospital discharge, with 90-day and 1-year follow-up. Systems interventions—ECPR pathways, trauma networks, and care beyond the ICU—are better tested with cluster or stepped-wedge designs that also address equity and cost. Finally, if clinical AI and Tele-ICU are to influence outcomes, they need prospective evaluations with external validation and ongoing monitoring, reporting calibration, drift, workflow effects, and safety alongside governance.
Acknowledgments
None.
Footnote
Reporting Checklist: The authors have completed the Narrative Review reporting checklist. Available at https://jeccm.amegroups.com/article/view/10.21037/jeccm-2026-1-0004/rc
Peer Review File: Available at https://jeccm.amegroups.com/article/view/10.21037/jeccm-2026-1-0004/prf
Funding: This study was supported by
Conflicts of Interest: All authors have completed the ICMJE uniform disclosure form (available at https://jeccm.amegroups.com/article/view/10.21037/jeccm-2026-1-0004/coif). Y.Y. serves as an Editor-in-Chief of Journal of Emergency and Critical Care Medicine from September 2024 to August 2026. Z.Z. serves as an unpaid Executive Editor of Journal of Emergency and Critical Care Medicine from March 2023 to December 2026. The other authors have no conflicts of interest to declare.
Ethical Statement: The authors are accountable for all aspects of the work in ensuring that questions related to the accuracy or integrity of any part of the work are appropriately investigated and resolved.
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Cite this article as: Hu C, Zhou P, Shen H, Lei X, Dong M, Xiang Y, Hu X, Yang L, Yu Y, Xu L, Zhang Z. A narrative review of advances in emergency and critical care medicine in 2025: from bundle-based care to precision phenotyping and pragmatic implementation. J Emerg Crit Care Med 2026;10:9.

