delirium – Medxy AI

Delirium as a Sentinel Event: New UK Biobank Data Links Acute Brain Failure to Decades of Multisystem Vulnerability

By MedXY 02/15/2026

A large-scale matched cohort study from the UK Biobank identifies in-hospital delirium as a sentinel marker for long-term multisystem vulnerability. Associated with increased risks of sepsis, AKI, and falls, delirium signals a profound physiological decline that persists independently of pre-existing frailty or dementia.

Emergency Medicine Internal Medicine Neurology news

One in Three Older Emergency Admissions Face Cognitive Morbidity: Insights from the ORCHARD-EPR Study

By MedXY 12/29/2025

A large-scale cross-sectional study of 51,202 admissions reveals that 35.6% of patients aged 70 and older experience cognitive morbidity, predominantly delirium. The findings underscore the urgent necessity for hospital-wide screening and multidisciplinary geriatric support across nearly all medical and surgical specialties.

Critical Care Internal Medicine news

Melatonin Does Not Prevent Delirium in the Intensive Care Unit: Insights from a Comprehensive Meta-Analysis

By MedXY 12/28/2025

A recent systematic review and meta-analysis of 13 randomized controlled trials concludes that melatonin fails to reduce the incidence of delirium or mortality in critically ill patients, challenging the routine use of this supplement in the intensive care setting.

Critical Care Internal Medicine news

Melatonin in the ICU Does Not Translate to Reduced Delirium Incidence

By MedXY 12/28/2025

The DEMEL trial found that while 0.3 mg of melatonin achieved a superior pharmacokinetic profile over 3 mg, it failed to reduce delirium incidence or improve clinical outcomes in mechanically ventilated patients compared to placebo.

Critical Care news Psychiatry

Delusional ICU Memories: The Hidden Driver of Long-Term Post-Traumatic Stress Disorder

By MedXY 12/27/2025

This multicenter longitudinal study reveals that delusional memories, rather than simple amnesia, are the primary predictors of persistent PTSD symptoms following critical illness, highlighting the critical roles of delirium and sedation in shaping psychological recovery.

Anesthesiology Emergency Medicine news

POCUS-Guided Nerve Blocks by Emergency Physicians Significantly Reduce Delirium Risk in Elderly Hip Fracture Patients

By MedXY 12/21/2025

A multicenter randomized trial reveals that a brief, structured training intervention for emergency physicians significantly increases the use of ultrasound-guided fascia iliaca blocks, resulting in a 28% reduction in delirium risk for geriatric patients with hip fractures.

Critical Care news

Bridging the Gap: Improving Agreement Between Nurse-Documented ICDSC and Researcher CAM-ICU Delirium Assessments in the ICU

By MedXY 12/14/2025

A predictive model combining bedside nurse ICDSC items and clinical variables (ventilation, SOFA) substantially improves agreement with researcher CAM-ICU assessments, enabling more accurate, scalable delirium ascertainment in ICU research and quality efforts.

Clinical Updates Emergency Medicine Internal Medicine news Specialties

Delirium in Acute General Medicine: A Decade-Long Study on Occurrence, Risk Factors, and Long-Term Outcomes

By MedXY 08/16/2025

This 10-year study from England details delirium's prevalence, associated factors like dementia and frailty, and its lasting impact on mortality and care needs in acute general medicine patients, supporting targeted screening and intervention.