About this trial
This randomized clinical trial aims to evaluate and compare the analgesic efficacy of the Serratus Posterior Superior Intercostal Plane (SPSIP) and Rhomboid Intercostal Block in patients undergoing Breast Cancer Surgery With Axillary Lymph Node Dissection. The primary outcome is Visual Analog Scale (VAS) during the first 24 hours after surgery. Secondary outcomes include total opioid consumption, requirement for rescue analgesia, block performance time, block-related and systemic side effects (hematoma, pneumothorax, local anesthetic toxicity, vascular puncture, infection), Patient satisfaction assessed using a Likert scale, quality of recovery assessed using the QoR-15 questionnaire.
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
Female patients aged 18-65 years
ASA physical status I-III
Scheduled for elective breast cancer surgery with axillary lymph node dissection
Body mass index (BMI) between 18 and 35 kg/m²
Disqualifiers
Refusal to participate
Allergy to local anesthetics
Infection at the injection site
Coagulopathy or ongoing anticoagulant therapy
Trial design
Parallel
Treatments tested in this trial
Serratus posterior superior intercostal plane block
Procedure/SurgeryUltrasound-guided serratus posterior superior intercostal plane block (SPSIPB) performed at the upper thoracic level for postoperative analgesia following breast cancer surgery.
Rhomboid intercostal plane block
Procedure/SurgeryUltrasound-guided rhomboid intercostal block (RIB) performed for postoperative analgesia following breast cancer surgery.
Treatment groups
Trial outcomes
Primary outcomes
postoperative pain intensity (VAS score)
Postoperative pain will be assessed using the visual analog scale (VAS), ranging from 0 to 10, where 0 indicates no pain and 10 indicates the worst imaginable pain. Higher scores represent greater pain intensity. Measurements will be recorded at predefined time points within the first 24 hours after surgery.
Secondary outcomes
Total opioid consumption via patient-controlled analgesia (PCA
Requirement for rescue analgesia
Block performance time
Block-related and systemic side effects
Sponsors and contacts
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