The Briefing

Continuous newsroom coverage of clinically relevant evidence — newest first.

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24 stories
  1. Host Antibodies and Bacterial Heteroresistance Drive Phage Therapy Failure
    Nature Medicine ·Case Report · April 27, 2026

    Host Antibodies and Bacterial Heteroresistance Drive Phage Therapy Failure

    Pre-existing anti-prophage antibodies and bacterial subpopulations with reduced susceptibility may neutralize therapeutic bacteriophages.

  2. High-Ratio Plasma Resuscitation Reduces Mortality in Moderate Traumatic Brain Injury
    Journal of Trauma: Injury, Infection, and Critical Care ·Cohort Study · April 27, 2026

    High-Ratio Plasma Resuscitation Reduces Mortality in Moderate Traumatic Brain Injury

    A large database analysis suggests plasma-heavy transfusion improves 30-day survival for patients not requiring massive transfusion.

  3. Proximal Nerve Stimulation Improves Sleep Apnea in CPAP-Intolerant Patients
    Annals of Internal Medicine ·Randomized Controlled Trial · April 27, 2026

    Proximal Nerve Stimulation Improves Sleep Apnea in CPAP-Intolerant Patients

    A randomized trial shows proximal hypoglossal nerve stimulation significantly reduces apnea-hypopnea index and daytime sleepiness.

  4. Risk-Weighted Impact Metric May Reduce Overtreatment of Incidental Aneurysms
    Neurosurgery ·Prognostic Study · April 27, 2026

    Risk-Weighted Impact Metric May Reduce Overtreatment of Incidental Aneurysms

    A simulation study shows that accounting for the timing of adverse events preserves quality-adjusted life years compared to standard models.

  5. Optimal Sleep Duration Mitigates Five-Fold Dementia Risk in Focal Epilepsy
    Neurology ·Cohort Study · April 27, 2026

    Optimal Sleep Duration Mitigates Five-Fold Dementia Risk in Focal Epilepsy

    A UK Biobank study finds 6 to 8 hours of sleep significantly preserves executive function and reduces dementia risk in epilepsy patients.

  6. Long Bone Bowing Reclassifies Seventy Percent of Valgus Knee Phenotypes
    Journal of Arthroplasty ·Cohort Study · April 27, 2026

    Long Bone Bowing Reclassifies Seventy Percent of Valgus Knee Phenotypes

    Radiographic analysis shows metaphyseal bowing drives valgus alignment, suggesting many cases are extra-articular rather than joint-based.

  7. Machine Learning Model Predicts One-Year Rehospitalization in Preterm Infants
    Neonatology ·Cohort Study · April 27, 2026

    Machine Learning Model Predicts One-Year Rehospitalization in Preterm Infants

    A retrospective study of 2,226 infants identifies clinical and socioeconomic factors linked to a 16.1% readmission rate.

  8. Integrated DNA Drives Surface Antigen Production in HBeAg-Negative Hepatitis B
    Gut ·Cross-Sectional Study · April 27, 2026

    Integrated DNA Drives Surface Antigen Production in HBeAg-Negative Hepatitis B

    Liver tissue analysis reveals that integrated viral DNA, not replication-active reservoirs, sustains surface antigen in later disease stages.

  9. Chronic Back Pain Linked to Sensory Cortex Hyperactivity During Walking
    Frontiers in Neuroscience ·Cross-Sectional Study · April 27, 2026

    Chronic Back Pain Linked to Sensory Cortex Hyperactivity During Walking

    Patients with nonspecific low back pain show increased neural load in somatosensory regions and reduced gait velocity during dual tasks.

  10. Genetic Diagnosis and Multisuture Fusion Predict Chiari Risk in Lambdoid Synostosis
    Plastic & Reconstructive Surgery ·Cohort Study · April 27, 2026

    Genetic Diagnosis and Multisuture Fusion Predict Chiari Risk in Lambdoid Synostosis

    Longitudinal data suggest routine MRI screening is unnecessary for isolated unilambdoid synostosis but essential for multisuture cases.

  11. Arteriovenous Access Shows Lower Mortality Risk Than Catheters in Hemodialysis
    Journal of Vascular Surgery ·Cohort Study · April 27, 2026

    Arteriovenous Access Shows Lower Mortality Risk Than Catheters in Hemodialysis

    A study of 146,967 patients suggests the survival gap between access types may stem from baseline health rather than the access itself.

  12. Luvadaxistat Fails to Improve Schizophrenia Cognition in Phase 2 Trial
    Neuropsychopharmacology ·Randomized Controlled Trial · April 27, 2026

    Luvadaxistat Fails to Improve Schizophrenia Cognition in Phase 2 Trial

    The ERUDITE study found no significant cognitive benefit from adding the D-amino acid oxidase inhibitor to stable antipsychotic therapy.

  13. CSF Outflow Resistance and Callosal Angle Predict iNPH Shunt Outcomes
    Journal of neurosurgery ·Cohort Study · April 27, 2026

    CSF Outflow Resistance and Callosal Angle Predict iNPH Shunt Outcomes

    Elevated fluid resistance and preserved preoperative cognition correlate with sustained functional gains after ventriculoperitoneal shunting.

  14. Central Macular Lesion Extent Predicts Quality of Life in Geographic Atrophy
    Ophthalmology ·Cohort Study · April 27, 2026

    Central Macular Lesion Extent Predicts Quality of Life in Geographic Atrophy

    Phase III trial data show atrophy within the central 2.50-mm zone drives functional impairment more than the surrounding retinal area.

  15. Dual-Microphone Audio Processors Improve Mandarin Speech Recognition in Noise
    Frontiers in Neuroscience ·Cohort Study · April 27, 2026

    Dual-Microphone Audio Processors Improve Mandarin Speech Recognition in Noise

    Upgrading to SONNET 2 or RONDO 3 processors significantly enhances sentence and word recognition for Mandarin-speaking cochlear implant users.

  16. CT Vascular Pruning Markers Identify Chronic Vasculopathy in Sickle Cell Disease
    European Radiology ·Cross-Sectional Study · April 27, 2026

    CT Vascular Pruning Markers Identify Chronic Vasculopathy in Sickle Cell Disease

    Automated quantification of small pulmonary vessels correlates with impaired gas exchange and history of pulmonary hypertension.

  17. Wind Instruments Trigger Intraocular Pressure Spikes During High-Pitch Play
    Ophthalmology ·Cross-Sectional Study · April 27, 2026

    Wind Instruments Trigger Intraocular Pressure Spikes During High-Pitch Play

    A cross-sectional study of 63 musicians finds transient ocular hypertension in wind players independent of the Valsalva maneuver.

  18. Blood MicroRNA Signatures Correlate With Hippocampal Volume and Atrophy Rates
    Molecular Psychiatry ·Cohort Study · April 27, 2026

    Blood MicroRNA Signatures Correlate With Hippocampal Volume and Atrophy Rates

    Specific microRNA expression patterns in whole blood may serve as early markers for structural brain changes and neurodegenerative risk.

  19. Physical Therapy Improves Function More Than CBT in Chronic Low Back Pain
    Annals of Internal Medicine ·Randomized Controlled Trial · April 27, 2026

    Physical Therapy Improves Function More Than CBT in Chronic Low Back Pain

    A sequential randomized trial finds physical therapy superior for initial functional gains, though secondary strategies show no difference.

  20. Occult Hypertension Linked to Coronary Plaque in Male Masters Athletes
    British Journal of Sports Medicine ·Cohort Study · April 27, 2026

    Occult Hypertension Linked to Coronary Plaque in Male Masters Athletes

    Hidden hypertension and exercise-induced blood pressure spikes correlate with high-risk coronary atherosclerosis in asymptomatic athletes.

  21. Counterconditioning Stabilizes Neural Safety Signals in PTSD
    Translational Psychiatry ·Randomized Controlled Trial · April 27, 2026

    Counterconditioning Stabilizes Neural Safety Signals in PTSD

    Functional MRI shows pairing threat stimuli with positive outcomes reinforces safety patterns in the ventromedial prefrontal cortex.

  22. Deep Learning Synthesizes Contrast-Enhanced CT and MRI Scans
    European Radiology ·Systematic Review · April 27, 2026

    Deep Learning Synthesizes Contrast-Enhanced CT and MRI Scans

    A scoping review of 56 studies shows high image fidelity but limited evidence for diagnostic interchangeability in clinical practice.

  23. Early Palliative Referral Improves End-of-Life Care Regardless of Visit Frequency
    Journal of Pain and Symptom Management ·Cohort Study · April 27, 2026

    Early Palliative Referral Improves End-of-Life Care Regardless of Visit Frequency

    Timing of referral for metastatic solid tumors significantly impacts hospice enrollment and ICU use more than the total number of visits.

  24. Peritruncal Blood Volume Predicts Shunt Dependency and Functional Recovery in aSAH
    Journal of neurosurgery ·Cohort Study · April 27, 2026

    Peritruncal Blood Volume Predicts Shunt Dependency and Functional Recovery in aSAH

    Infratentorial hematoma volume shows stronger associations with long-term outcomes than traditional Fisher scales in subarachnoid hemorrhage.