Transversus abdominis plane block after Caesarean section in an area with limited resources
AbstractBackground: The primary objective of this study was to assess whether transversus abdominis plane (TAP) block is effective as part of multimodal pain management following Caesarean section in an area with limited resources. The study also looked at the advantage of this block in reducing the consumption of morphine and diclofenac postoperatively. Methods: After approval by the institutional ethics committee and informed consent of participants, 108 ASA I and II patients for Caesarean section under spinal anaesthesia were randomly allocated to either the TAP block group or the control. The TAP block group received a landmark-orientated, bilateral TAP block in the triangle of Petit. Postoperative pain treatment followed the same protocol for both groups. Visual analogue scale (VAS) pain scores were measured at 2, 4, 6, 8, 12, 18 and 24 h postoperatively. At the same time, consumption of diclofenac and morphine was measured and compared. Results: No adverse effects of the TAP block were detected. VAS pain scores were significantly lower in the TAP block group at rest, deep breathing, intentional coughing, and mobilisation in all cases (p < 0. 05). Morphine and diclofenac consumption was significantly higher in the control group (p < 0. 001). Conclusion: TAP block reduced the VAS pain scores significantly both at rest and during stressors. As a result, morphine and diclofenac consumption was significantly reduced in the TAP block group. Therefore, it is feasible to implement TAP block as part of a multimodal analgesia regimen after Caesarean section in a tertiary health care centre in a developing nation. (Full text available online at www.medpharm.tandfonline.com/ojaa) South Afr J Anaesth Analg 2017; DOI: 10.1080/22201181.2017.1349361
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