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Sir E. et al., 2019: The analgesic efficacy of ultrasound guided unilateral transversus abdominis plane block in the pain management of shock wave lithotripsy (Abstract only)

Sir E, Eksert S, Zor M, Emin Ince M, Kaya E, Bedir S.
Servicio de Anestesiología. Hospital de Investigación y Formación Gulhane. Ankara Turkey.
Servicio de Urología. Hospital de Investigación y Formación Gulhane. Ankara Turkey.

Abstract

OBJECTIVES:
We conducted this study to evaluate the analgesic efficacy of ultrasound guided unilateral transversus abdominis plane (TAP) block when used in combination with oral diclofenac administration during extracorporeal shock wave lithotripsy (SWL).

DESIGN AND SETTING:
The study is a retrospective clinical experimental study conducted in a university hospital between January 2017 and January 2018.

METHODS:
42 SWL eligible patients were divided into three groups. Group 1 (n: 15) received no medication due to patient's preference. Group 2 (n: 15) received 50 mg oral diclofenac 30 minutes prior to the procedure, and Group 3 (n: 12) received both oral diclofenac and unilateral ultrasound (US) guided TAP block 30 minutes before the procedure. Patient`s characteristics, SWL data and "visual analogue pain scale" (VAS) scores were collected and compared between groups.

RESULTS:
A total of 44 eligible patients were included in the study. When compared between groups, patient's characteristics including age, body mass index, and SWL data including stone size, SWL number, total energy transmitted and duration of the procedure, were similar and there was no statistical significance. Between groups statistical significance was achieved in only VAS scores. Mean VAS scores in groups 1,2, and 3 were 6.3 ± 1.8, 4.3 ± 2.3, and 1.3 ± 1.0, respectively. No complication was seen in any of the groups.

CONCLUSION:
Pain relief during SWL operations is still a challenging issue for many clinicians. Our study demonstrates that, among many other anesthetic/analgesic agents and techniques described, unilateral US guided TAP block and diclofenac combination is a feasible option for pain relief during SWL procedures.
Arch Esp Urol. 2019 Nov;72(9):933-938.

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