Establishing a Technique for Pectoral II–Block Catheter Insertion with Ultrasound Guidance: A Randomized Controlled Trial
Received 15 May 2020
Accepted for publication 20 July 2020
Published 11 August 2020 Volume 2020:13 Pages 85—93
Checked for plagiarism Yes
Review by Single anonymous peer review
Peer reviewer comments 3
Editor who approved publication: Dr Stefan Wirz
Mohamed A Mansour, Ahmed Z Fouad, Sarah M Amin, Nasser M Dobal
Department of Anesthesia, Intensive Care and Pain Management, Kasr Al Ainy Faculty of Medicine, Cairo University, Cairo, Egypt
Correspondence: Mohamed A Mansour
Intensive Care and Pain Management, Kasr Al Ainy Faculty of Medicine, Cairo University, Cairo, Egypt
Tel +20 11-1144-4058
Purpose: To assess the efficacy and safety of a modified technique for ultrasound-guided pectoral II block for postoperative pain control after mastectomy.
Methods: In this randomized controlled trial, patients were randomly allocated into two groups (40 patients each). Group I patients were subjected to ultrasound-guided pectoral II block with injection of 10 mL lidocaine 1% as a dissecting solution before attempting catheter insertion, while group II patients underwent the standard procedure without a dissecting solution. Measured outcomes included catheter visibility, pain, patient satisfaction, performance time, and complications.
Results: Compared with group II, group I had significantly lower median catheter-visibility scores, shorter block performance time, and fewer insertion attempts. Group I had a nonsignificantly higher rate of complications than group II.
Conclusion: The modified technique facilitated the procedure, shortened the catheter-insertion time, and showed higher patient satisfaction. However, it was associated with lower catheter visibility on ultrasonography. Further studies are required to confirm the present findings and assess the safety of the modified technique.
Keywords: analgesia, mastectomy, regional anesthesia, pectoral nerve block, postoperative pain
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