<p>Establishing a Technique for Pectoral II–Block Catheter Insertion with Ultrasound Guidance: A Randomized Controlled Trial</p>

Abstract

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 catheterinsertion 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.

Pain Control After Mastectomy in Transgender Patients: Ultrasound-guided Pectoral Nerve Block II Versus Conventional Intercostal Nerve Block: A Randomized Clinical Trial

“…In the study by Mansour et al, the group under ultrasound guidance had a lower catheter-visibility score, shorter block application time, and less effort to block than the group under standard nerve blocking (40). The results of this study are in line with our study.…”