الفهرس 
IntroductionOnly 14 pages are availabe for public view
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Abstract
Knee arthroscopy is a surgical procedure that can reduce soft tissue injury. Knee arthroscopes are usually associated with a variable amount of pain, as the incidence of moderate to severe pain is about 70% after surgery. Insufficient treatment of postoperative pain results in delayed recovery, prolonged hospital stays, and increased medical care costs. The use of opioids inside the dura mater, such as fentanyl or morphine, provides excellent relief after surgery but may cause side effects such as urinary retention, itching, nausea and vomiting, resulting in a long hospital stay. The aim of this study was to evaluate the effect of adding dexamethasone versus fentanyl as an adjunct to bupivacaine compared to bupivacaine with saline for post-operative analgesia in patients undergoing arthroscopic knee surgery under spinal anesthesia. Post-operative complications, time to first analgesia, total sedation administered to the patient and changes in blood circulation were also evaluated. This randomized, double-blind study was conducted in the Knee Arthroscopy Surgery Unit at Mansoura University Hospital from March 2019 to January 2020. Eighty-nine patients of both sexes underwent either the first or the second health status according to a basic scale (American Association of Anesthesiologists), ranging from The ages of 20 to 65 years for arthroscopic knee surgery in this study after obtaining the approval of the Institutional Review Board of the Faculty of Medicine, Mansoura University. The patients were divided into three groups, each containing 29 patients.