الفهرس 
IntroductionOnly 14 pages are availabe for public view
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Abstract
Inguinal herniorrhaphy is a common surgical procedure with approximately 20 million operations performed worldwide annually. Patients undergoing this procedure often experience moderate-to-severe pain, which can hinder post-anesthesia care unit (PACU) discharge. It is also linked with a 0-54% incidence of chronic pain, particularly in patients suffering from significant preoperative and instant postoperative pain.Inadequately controlled pain negatively affects the quality of life, func tion, the risk of postsurgical complications, with the risk of persistent postsurgical pain, and delayed recovery time.Regional nerve block procedures propose a great degree of post operative pain relief thus helping early ambulation and discharge. The com bined ilioinguinal and iliohypogastric nerve block (IINB) is a commonly used technique for the blockade of the ilioinguinal/iliohypogastric (IIIH) nerves and has been shown to decrease pain after open inguinal hernia repair as well as reduce opioid requirements. The aim of this study was to compare the postoperative analgesic effect of 0.25% bupivacaine and 0.5% bupivacaine for unilateral ilioinguinal and Iliohypogastric nerve block after open inguinal hernia repair. This effect is in terms of the time to first request for rescue analgesia, the post-operative pain in the form of NRS scores at rest & during movement at 0, 2, 4, 8, 12, 18 and 24 hours post-procedure, the total 24-hour opioid consumption, patient satis faction and the incidence of complication related to nerve block. The study was carried out on 100 patients. Four patients refused the study and 96 were randomly allocated into two equal groups. Patients in group I received 10 ml of 0.5% bupivacaine, whereas those in group II re