A secondary analysis found no significant benzodiazepine association with delirium duration, but few exposed patients limited its ability to detect one.
What was analyzed
The study included 228 older patients admitted through an emergency department. Investigators examined modifiable emergency-care factors and subsequent delirium duration. Bladder catheter placement was associated with longer duration after adjustment; benzodiazepine administration, opioids, and anticholinergic burden were not significantly associated.
A null result is not proof of no effect
The authors noted small numbers for some interventions, including benzodiazepines, creating a risk of missing a real association. The single-center secondary analysis also allowed confounding and multiple-testing concerns. Its results should not be cited as establishing that benzodiazepines cannot worsen delirium, just as general concern about the drugs should not erase this null finding. The measured outcome was duration in this selected cohort, rather than new delirium onset or every possible adverse event.
Source paper
Original analysis of the supplied journal article, identified as PMC6883498.
Leave a Reply