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RSACP wishes to inform that it shall be discontinuing the dispatch of print copy of JOACP to it's Life members. The print copy of JOACP will be posted only to those life members who send us a written confirmation for continuation of print copy.
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Year : 2019  |  Volume : 35  |  Issue : 1  |  Page : 58-64

Patient-controlled analgesia with and without transverse abdominis plane and rectus sheath space block in cirrhotic patients undergoing liver resection

1 Department of Anaesthesia, Liver Institute, Menoufia University, Egypt
2 Department of Anaesthesia, Faculty of Medicine, Menoufia University, Egypt
3 Department of Surgery, Liver Institute, Menoufia University, Egypt

Correspondence Address:
Khaled Yassen
Department of Anaesthesia, Liver Institute, Menoufiya University, Shebeen El Kom City
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/joacp.JOACP_36_17

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Background and Aims: Optimal pain control can be a challenge in cirrhotic patients. The aim was to compare the analgesic efficacy and side effects of intravenous fentanyl patient-controlled analgesia (PCA) with and without bupivacaine boluses in transversus abdominis plane (TAP) and rectus sheath space (RSB) in cirrhotics undergoing liver surgery. Material and Methods: A double-blinded randomized controlled trial (n = 55, child's A) was conducted. Catheters were inserted surgically in TAP and rectal sheath space during surgical closure. Fentanyl PCA + TAP + RSB group (gp) (n = 30): (0.2 ml/kg of 0.25% bupivacaine, 8 hourly) was compared with fentanyl PCA gp (n = 25): [0.2 ml/kg of saline (placebo) injected in catheters 8 hourly] for 48 h postoperatively. Plasma bupivacaine was measured with an enzyme-linked immunosorbent assay at 10 min, 30 min, 1 h, 2 h, and 4 h after each injection and 30 min before next injection. Results: Fentanyl consumption was reduced in (PCA + TAP + RSB) gp compared to PCA gp (Day 1: 325.4 ± 169.1 vs. 1034 ± 231.7, Day 2: 204.44 ± 62.9 vs. 481.6 ± 158.3 μg, P < 0.05). Both groups demonstrated effective pain control at rest [Visual Analog Scales (VAS) <3), but on movement pain control with bupivacaine was better (P < 0.05). Increased demand for rescue opioids was observed prior to next scheduled bupivacaine injection in 10/30 patients on Day 1 and 2/30 on Day 2, in association with a reduced bupivacaine serum levels compared to 10 min after injection (47.6 ± 22.7 vs. 93.6 ± 61.0 ng/ml, respectively, P < 0.05). Bupivacaine did not exceed referred toxic levels. Conclusion: Repeated bupivacaine TAP and RSB with PCA fentanyl improved pain control, reduced opioids demand with no toxicity. Time interval between injections needs to be reduced to avoid breakthrough pain.

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