An observational study found an association between benzodiazepine premedication and postoperative anxiety, but was designed primarily to evaluate an anxiety scale.
Measurement was the main objective
Five hundred postoperative patients were assessed using a visual analogue anxiety scale and the State-Trait Anxiety Inventory. The measures correlated, and the investigators proposed a visual-scale threshold for detecting anxiety. Benzodiazepine premedication was among factors associated with anxiety after surgery.
A predictor can reflect the reason for prescribing
Patients given premedication may already have had greater anxiety or other relevant differences. The association does not establish that the medication caused postoperative anxiety or failed in every recipient. Single-center recruitment and incomplete characterization of baseline anxious or phobic patients constrain interpretation. The study’s threshold concerns a screening instrument in its sample, not a universal diagnostic boundary. For reviewing a patient’s response, compare baseline distress, treatment rationale, dose timing, pain, and postoperative reports rather than inferring causation from this predictor alone.
Source paper
Original analysis of the supplied journal article, identified as PMC6805714.
Leave a Reply