• Rev Bras Anestesiol · Sep 2018

    [Ultrasound-guided transversus abdominis plane block in patients undergoing laparoscopic cholecystectomy: comparison of efficacy of bupivacaine and levobupivacaine on postoperative pain control].

    • Arzu Yıldırım Ar, Dilek Erdoğan Arı, Yıldız Yiğit Kuplay, Yalın İşcan, Firdevs Karadoğan, Damla Kırım, and Fatma Nur Akgün.
    • Fatih Sultan Mehmet Educational and Research Hospital, Anesthesiology and Reanimation Department, Istambul, Turquia. Electronic address: dr.arzuyildirim@hotmail.com.
    • Rev Bras Anestesiol. 2018 Sep 1; 68 (5): 455-461.

    Background And ObjectiveThe use of transversus abdominis plane block with different local anesthetics is considered as a part of multimodal analgesia regimen in laparoscopic cholecystectomy patients. However no studies have been published comparing bupivacaine and levobupivacaine for transversus abdominis plane block. We aimed to compare bupivacaine and levobupivacaine in ultrasound-guided transversus abdominis plane block in patients undergoing laparoscopic cholecystectomy.MethodsFifty patients (ASA I/II), undergoing laparoscopic cholecystectomy were randomly allocated into two groups. Following anesthesia induction, ultrasound-guided bilateral transversus abdominis plane block was performed with 30mL of bupivacaine 0.25% in Group B (n=25) and 30mL of levobupivacaine 0.25% in Group L (n=25) for each side. The level of pain was evaluated using 10cm visual analog scale (VAS) at rest and during coughing 1, 5, 15, 30min and 1, 2, 4, 6, 12 and 24h after the operation. When visual analogue scale>3, the patients received IV tenoxicam 20mg. If visual analogue scale remained >3, they received IV. tramadol 1mg.kg-1. In case of inadequate analgesia, a rescue analgesic was given. The analgesic requirement, time to first analgesic requirement was recorded.ResultsVisual analogue scale levels showed no difference except first and fifth minutes postoperatively where VAS was higher in Group L (p<0.05). Analgesic requirement was similar in both groups. Time to first analgesic requirement was shorter in Group L (4.35±6.92min vs. 34.91±86.26min, p=0.013).ConclusionsBupivacaine and levobupivacaine showed similar efficacy at TAP block in patients undergoing laparoscopic cholecystectomy.Copyright © 2018 Sociedade Brasileira de Anestesiologia. Publicado por Elsevier Editora Ltda. All rights reserved.

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