الفهرس 
INTRODUCTIONOnly 14 pages are availabe for public view
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Abstract
Transversus abdominis plane (TAP) block is one of the analgesic procedures following a Cesarean section. It is a type of peripheral nerve blocks that involves nerves of the anterolateral abdominal wall derived from T6-L1. As a matter of fact, the efficacy of TAP block is influenced by the type of local anaesthetic (LA) administrated as regards duration of analgesia, hemodynamics and complications. Bupivacaine and levobupivacaine are examples of local anaesthetics that can be used during TAP block.
The aim of this study was to compare between the effect of bupivacaine and levobupivacaine in transversus abdominis plane block as regards post-operative pain relief, changes in hemodynamics, duration of analgesia, time of ambulation and presence of any side effects after Cesarean section via spinal anaesthesia.
This study was carried out on 44 adult female patients admitted to the gynecology department of El Shatby Hospital of the Faculty of Medicine, Alexandria University. All patients were of American Society of Anesthesiology (ASA) physical status I or II, scheduled for elective Cesarean section after taking approval of the ethical committee, and consent from every patient involved in the study.
The sample size was calculated by the biostatistics department of the high institute of Public Health. The patients were randomly divided into two equal groups (22 patients each) using closed envelope method.
group A: Patients will receive 30 ml of plain bupivacaine .25% perineurally in plane between the internal oblique and transversus abdomenis muscles on each side with a total volume of 60mL.
group B: Patients will receive 30 mL of plain bupivacaine 0.25% plus 2 mL of sterile normal saline perineurally in plane between the internal oblique and transversus abdominis muscles on each side with a total volume of 60 mL.