الفهرس 
Pathophysiology of painOnly 14 pages are availabe for public view
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Abstract
Knee arthroscopy is a very common procedure and very often is performed as day-case surgery. It has been reported that a significant number of patients have moderate to severe pain 24 hours after knee arthroscopy and pain affects the patient’s activity level and satisfaction. peripheral nerve block provide an effective, safe and long lasting post-arthroscopy analgesia. An ideal nerve block would provide effective analgesia, minimize opioid use and side effects, and hasten mobilization by preserving motor strength. Also, using ultrasonography resulted in high success rate of PNB. Several studies investigated the FNB for lower limb surgery to control postoperative pain but the motor weakness that resulted in falls and delay patient mobilization, make the researches move toward another technique to give the same analgesic effect and motor preservation. from this point many studies used the ACB as alternative technique for postoperative pain following knee surgery. As it could given early the same analgesic effect but with no risk of fall and early mobilization. The aim of our study was to compare the safety and efficacy of ultrasound guided adductor canal block versus ultrasound guided femoral nerve block as postoperative analgesic in patients undergoing knee arthroscopy.