Intraoperative Midazolam on Delirium Outcome of Elderly Patients

This study is testing whether giving midazolam (a mild sedative) during surgery helps prevent confusion and disorientation — called delirium — in older adults after an operation. **You may be eligible if...** - You are between 65 and 85 years old - You are scheduled for elective (non-emergency) surgery under general anesthesia lasting at least 2 hours - Your surgery is not on the heart or brain - You are in generally good health or have only mild-to-moderate health conditions (ASA grades I–III) - You are willing to sign a consent form **You may NOT be eligible if...** - You have a history of depression, schizophrenia, or other mental health conditions - You have a history of moderate stroke or significant neurological disorders - You regularly take benzodiazepine medications (such as Valium or Xanax) - Your BMI falls outside the range of 18.5–30 kg/m² Talk to your doctor to see if this trial is right for you.