Slow inclusion resulting in premature termination due to logistics

To examine the influence of regular hypnotic therapy on the incidence of delirium after hip fracture surgery

Delirium is prevalent after hip fracture surgery. Delirium has been linked to postoperative sleep disturbances. Zolpidem is a non-benzodiazepine hypnotic that preserves REM sleep. The present study investigates the incidence of delirium in hip fracture patients randomized to Zolpidem treatment 5 mg vs placebo in the perioperative phase.

Inclusion Criteria:

• Primary hip fracture, no substance abuse, no regular opioid, corticosteroid or benzodiazepine therapy, hepatic insufficiency, myastenia gravis, allergies to drug components

Exclusion Criteria:

• Severe respiratory insufficiency