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From the Department of Anesthesia and Intensive Care Medicine, Dr. Shariati Hospital, Tehran University of Medical Sciences, Iran.
Address correspondence and reprint requests to Sussan Soltani Mohammadi, MD, Department of Anesthesiology, Dr Shariati Hospital, North Karegar St., Ale-Ahmad highway, Tehran 1411713135, Iran. Address e-mail to soltanmo{at}sina.tums.ac.ir.
Abstract
BACKGROUND: Postoperative pain is severe in patients undergoing renal transplantation. Systemic analgesia may produce complications as a result of impaired renal function. We investigated whether combined lower intercostal and Ilioinguinal-Iliohypogastric (IG-IH) nerve block might improve the quality of analgesia and reduce morphine consumption during the first 24 h after surgery.
METHODS: Forty-two patients, scheduled as kidney transplant recipients were randomized into two equal groups and were anesthetized with the same technique. After surgery IG-IH, T11 and T12 intercostal nerves on the side of surgery were blocked by bupivacaine 0.5%. The control group was not blocked. Postoperative pain and total amount of morphine consumption were recorded by a person who was blinded to the allocation.
RESULTS: There were significant differences in median visual analog scale scores (25th–75th) measurements at all time points in the study groups (P < 0.05). The total amount of morphine consumption during 24 h was 12.7 ± 10.5 mg in the blocked group compared with 34.9 ± 5.9 mg in the nonblocked group (P < 0.001).
CONCLUSIONS: Combined IG-IH and lower intercostal nerves blockade after renal transplantation significantly reduced postoperative pain and opioid consumption.
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