Lung and cardiac ultrasound for respiratory distress in the elderly: study protocol of the LUC REED stepped-wedge cluster randomised trial.
Frederic Balen, Manon Hebrard, Clément Delmas...
https://pubmed.ncbi.nlm.nih.gov/40819865Actively Recruiting
Led by University Hospital, Toulouse · Updated on 2025-12-04
504
Participants Needed
1
Research Sites
N/A
Total Duration
Researchers are evaluating a management strategy for acute dyspnea in elderly patients using lung and cardiac ultrasonography. Acute dyspnea, a common and serious reason for emergency admission with high mortality, is often hard to diagnose quickly because its causes vary widely. This study aims to see if using ultrasonography at the bedside by emergency physicians can reduce delays in diagnosis and treatment for elderly patients with acute breathing difficulties. Participants will be randomly assigned to one of two groups: a clinical ultrasound group where lung and cardiac ultrasonography guides diagnosis and treatment immediately at the bedside, or a standard care group receiving usual diagnostic and therapeutic procedures. Emergency physicians trained in this ultrasound technique will perform the examinations, and treatments initiated in the emergency department will be recorded for comparison with final diagnoses. During the study, participants will be assessed for therapeutic adequacy within the first hour and diagnostic accuracy up to four hours after emergency department discharge. Researchers will also track emergency department stay length, hospital stay after emergency care, days alive outside the hospital within 30 days, and care costs. Consent will be obtained, and monitoring will continue through day 30 to evaluate the outcomes and safety of the management strategies.
CONDITIONS
LUng and Cardiac Ultrasound for REspiratory Distress in ElDerly
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Complete this quick 3-step screening to check your eligibility
Duration - 2 to 4 weeks
Participants are screened for eligibility to participate in the trial.
1 visit (in-person)
Duration - Up to 4 hours
Participants undergo diagnostic assessment using lung and cardiac ultrasonography or standard care to evaluate the cause of acute dyspnea.
1 visit (in-person) during emergency department stay
Duration - 30 days
Participants are followed for outcomes including hospital stay duration, days alive outside hospital, and care costs up to 30 days after emergency department discharge.
Follow-up assessments up to Day 30
Total: 1 location
1
UHToulouse
Toulouse, France
Actively Recruiting
M
Manon Hebrard
Study Type
INTERVENTIONAL
Masking
SINGLE
Allocation
RANDOMIZED
Model
PARALLEL
Primary Purpose
DIAGNOSTIC
Number of Arms
2
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Frederic Balen, Manon Hebrard, Clément Delmas...
https://pubmed.ncbi.nlm.nih.gov/40819865