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Effect of Dexmedetomidine Dosage on Postoperative Delirium in Geriatric Orthopedic Surgery

Effect of Dexmedetomidine Dosage on Postoperative Delirium in Geriatric Orthopedic Surgery

Recruiting
55-70 years
All
Phase 2
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Overview

This study evaluates the dose-response relationship of Dexmedetomidine (DEX) in reducing the incidence and severity of postoperative delirium (POD) and postoperative cognitive dysfunction (POCD) in elderly patients. The study compares different doses of DEX against a fentanyl control group in patients undergoing major lower limb orthopedic surgery under general anesthesia to determine the optimal dosage for cognitive protection.

Eligibility

Inclusion Criteria:

  • Elderly surgical patients.
  • ASA physical status grade II-III.
  • Planned major lower limb orthopedic surgery.

Exclusion Criteria:

  • pre-existing dementia or drug allergies

Study details
    Delirium - Postoperative

NCT07443085

Benha University

13 May 2026

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