Comparison of Bi-level Erector Spine Plane Block and Combined Pectoral I-II Block in Breast Surgery

Comparison of Postoperative Efficacy of Ultrasound-guided Bi-level Erector Spine Plane Block and Combined Pectoral I-II Block in Breast Cancer Surgery

In this study, we compared ultrasound-guided modified pectoral nerve (PECS) block and bi level erector spinae plane (ESP) block on postoperative analgesic effect in breast surgery.

After being informed about the study and potential risks, written consent was obtained from all patients. Patients who meet eligibility requirements will be randomized in a 1:1 ratio to bi- level erector spinae plane block and modified pectoral block.

Inclusion Criteria:

• American Society of Anesthesiologists Classification (ASA) I-II patients
• 18-70 aged patients
• patients who scheuled elective breast cancer surgery

Exclusion Criteria:

• American Society of Anesthesiologists Classification (ASA) III-IV patients
• patients with coagulopathy
• patients with infection at the injection site