At a glance
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Efficacy of Preoperative Ultrasound Guided Pectoral Nerve Block for Intraoperative Opioid Sparing Effect and Postoperative Analgesia in Patients Undergoing Surgery for Breast Cancer.
In Brief
A clinical study evaluating Pecs II block for Breast Cancer. Completed, enrolled 40 participants across 1 site.
Detailed Summary
The purpose of this study is to determine whether pectoral nerves blocks（PECS） would reduces the opioid consumption during the surgery and postoperative pain after breast cancer surgery.
Study Details
Timeline
Interventions
After identifying the axillary vein and artery, the ultrasound probe was positioned inferio-laterally, between the 3rd and 4th ribs, and then the pectoralis major and minor, and serratus anterior muscles were confirmed. The needle was advanced in a medio-lateral direction in-plane view of the ultrasound. For the Pecs II block, a total 30 mL of 0.5% ropivacaine was injected. First, the needle tip was advanced into the fascia between the pectoralis major and minor muscles and 10 mL of 0.5% ropivacaine was injected. Thereafter, the needle tip was advanced into the tissue plane between the pectoralis minor and serratus anterior muscles, and 20 mL of 0.5% ropivacaine was injected in a similar manner.