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The Briefing · Emergency & Critical Care

Continuous newsroom coverage of evidence in Emergency & Critical Care — newest first.

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24 stories
  1. Troponin I to T Ratio Distinguishes Acute Necrosis From Chronic Injury
    Journal of the American College of Cardiology ·Cohort Study · May 07, 2026

    Troponin I to T Ratio Distinguishes Acute Necrosis From Chronic Injury

    A multicohort study finds the troponin ratio identifies lethal cell death and improves differentiation of type 1 and 2 myocardial infarction.

  2. Elective Microaxial Flow Pump Does Not Improve High-Risk PCI Outcomes
    New England Journal of Medicine ·Randomized Controlled Trial · May 07, 2026

    Elective Microaxial Flow Pump Does Not Improve High-Risk PCI Outcomes

    A randomized trial finds no clinical benefit and a potential mortality signal with routine mechanical unloading during complex revascularization.

  3. Microaxial Flow Pump Fails to Improve Outcomes in High-Risk PCI
    New England Journal of Medicine ·Randomized Controlled Trial · May 07, 2026

    Microaxial Flow Pump Fails to Improve Outcomes in High-Risk PCI

    A randomized trial of 300 patients shows elective left ventricular unloading does not reduce major adverse events at 12 months.

  4. Critical Illness Linked to Significant Income Loss and Unemployment
    Critical Care Medicine ·Cohort Study · May 07, 2026

    Critical Illness Linked to Significant Income Loss and Unemployment

    A nationwide cohort study of 582,341 survivors reveals that over 10% face catastrophic financial decline despite universal coverage.

  5. Integrated Genetics and MRD Guide Transplant in Ph-Negative ALL
    Blood ·Cohort Study · May 07, 2026

    Integrated Genetics and MRD Guide Transplant in Ph-Negative ALL

    A prospective study shows that combining genetic risk with early molecular response identifies adults who can safely avoid transplantation.

  6. Paramedic Decisions to Withhold Trauma Resuscitation Match Autopsy Findings
    Prehospital Emergency Care ·Diagnostic Accuracy Study · May 07, 2026

    Paramedic Decisions to Withhold Trauma Resuscitation Match Autopsy Findings

    A retrospective review of 90 traumatic cardiac arrest cases shows high diagnostic specificity in field assessments of non-survivable injury.

  7. Veterans Hospitalized for Alcohol Use Disorder Often Miss Medication Initiation Opportunities
    PubMed ·Cohort Study · May 07, 2026

    Veterans Hospitalized for Alcohol Use Disorder Often Miss Medication Initiation Opportunities

    A study of 29,041 hospitalizations found that only 30.8% of veterans received medications like naltrexone during or shortly after discharge.

  8. Automated Software Matches Clinician Accuracy in Peri-operative Echocardiography
    Anaesthesia ·Diagnostic Accuracy Study · May 07, 2026

    Automated Software Matches Clinician Accuracy in Peri-operative Echocardiography

    A multicenter study shows high agreement between AI-driven analysis and expert measurements for ejection fraction and valvular disease.

  9. Survival Improves for Leukemia Patients Requiring Mechanical Ventilation in the ICU
    Intensive Care Medicine ·Meta-Analysis · May 07, 2026

    Survival Improves for Leukemia Patients Requiring Mechanical Ventilation in the ICU

    An individual participant data meta-analysis of 2003 patients shows declining mortality for ventilated adults with acute leukemia.

  10. PREVENT and SCORE2 Equations Accurately Predict Global Cardiovascular Risk
    Nature Medicine ·Prognostic Study · May 07, 2026

    PREVENT and SCORE2 Equations Accurately Predict Global Cardiovascular Risk

    A validation study of 6.4 million people confirms these risk models perform well across North America, Europe, and Asia.

  11. US Neurology Wait Times Average 50 Days Following Primary Care Referral
    Neurology ·Cohort Study · May 05, 2026

    US Neurology Wait Times Average 50 Days Following Primary Care Referral

    A retrospective analysis of 114,034 patients identifies significant delays for multiple sclerosis and regional disparities in access.

  12. Status Epilepticus Mortality Rises in the United States Since 2007
    Neurology ·Cohort Study · May 04, 2026

    Status Epilepticus Mortality Rises in the United States Since 2007

    A 22-year analysis of CDC data reveals increasing death rates and significant racial and regional disparities in status epilepticus.

  13. Fibrotic Lung Abnormalities Linked to Increased Coronary Artery Calcification
    European radiology ·Cohort Study · May 03, 2026

    Fibrotic Lung Abnormalities Linked to Increased Coronary Artery Calcification

    A retrospective study of 2,031 screening participants finds interstitial lung changes correlate with subclinical atherosclerosis burden.

  14. RNA Interference Normalizes PAI-1 Levels and Prolongs Lifespan in Murine Models
    Blood ·Animal Study · May 03, 2026

    RNA Interference Normalizes PAI-1 Levels and Prolongs Lifespan in Murine Models

    A single dose of siRNA-lipid nanoparticles achieved 90% knockdown of plasma PAI-1, reducing thrombus weight and increasing survival in mice.

  15. FFR-Guided PCI Costs 30% Less Than Surgery for 3-Vessel Disease
    Journal of the American College of Cardiology ·Cost-Effectiveness Analysis · May 03, 2026

    FFR-Guided PCI Costs 30% Less Than Surgery for 3-Vessel Disease

    A FAME 3 analysis shows fractional flow reserve-guided stenting yields equivalent quality-adjusted survival and faster functional recovery.

  16. Post-Thrombectomy Blood Pressure Drops Linked to Increased Disability
    Neurology ·Cohort Study · May 03, 2026

    Post-Thrombectomy Blood Pressure Drops Linked to Increased Disability

    Systolic decreases of 40 mm Hg or more within 24 hours of successful recanalization correlate with worse functional recovery.

  17. Strategic Site Selection Improves Minority Representation in Stent Trials
    Journal of the American College of Cardiology ·Cohort Study · May 02, 2026

    Strategic Site Selection Improves Minority Representation in Stent Trials

    An analysis of 8,859 participants shows that geographic and site-specific factors predict minority enrollment but not female participation.

  18. APT-Sepsis Program Lowers Maternal Infection Mortality and Morbidity
    New England Journal of Medicine ·Randomized Controlled Trial · May 02, 2026

    APT-Sepsis Program Lowers Maternal Infection Mortality and Morbidity

    A cluster-randomized trial of 431,394 women shows a 32% reduction in severe infection-related outcomes using a standardized care bundle.

  19. Immune Score Predicts Infection Risk in Multiple Myeloma
    Blood ·Cohort Study · May 02, 2026

    Immune Score Predicts Infection Risk in Multiple Myeloma

    A three-factor immune profile identifies patients with a 60% infection incidence, offering a path to personalized prophylaxis.

  20. Evolocumab Reduces First Cardiovascular Events in High-Risk Diabetes
    JAMA ·Randomized Controlled Trial · May 02, 2026

    Evolocumab Reduces First Cardiovascular Events in High-Risk Diabetes

    In patients with diabetes and no known atherosclerosis, adding evolocumab to statins lowered the 5-year risk of major events by 2.1%.

  21. Delayed Angiography Safe in Cardiac Arrest Without ST-Segment Elevation
    Journal of the American College of Cardiology ·Randomized Controlled Trial · May 02, 2026

    Delayed Angiography Safe in Cardiac Arrest Without ST-Segment Elevation

    Five-year COACT trial data show no survival difference between immediate and delayed coronary angiography for resuscitated patients.

  22. Balanced Transfusion Reduces Trauma Mortality After Six Red Cell Units
    Journal of Trauma: Injury, Infection, and Critical Care ·Cohort Study · May 01, 2026

    Balanced Transfusion Reduces Trauma Mortality After Six Red Cell Units

    A 4,858-patient analysis identifies the specific volume thresholds where 1:1 plasma ratios significantly improve survival in hemorrhage.

  23. Oral Nicotinamide Mononucleotide Increases Platelets in Refractory Immune Thrombocytopenia
    Nature medicine ·Non-Randomized Controlled Trial · May 01, 2026

    Oral Nicotinamide Mononucleotide Increases Platelets in Refractory Immune Thrombocytopenia

    A phase 1/2 trial shows oral NMN modulates the CD38-NAD+ axis to improve platelet counts while preserving humoral immunity.

  24. Iron Bioresorbable Scaffolds Match Metallic Stents for Late Lumen Loss at Two Years
    Journal of the American College of Cardiology ·Randomized Controlled Trial · May 01, 2026

    Iron Bioresorbable Scaffolds Match Metallic Stents for Late Lumen Loss at Two Years

    A randomized trial in China finds iron-based scaffolds achieve similar vascular patency and flow to standard stents despite higher revascularization.