Comparison of Serratus Posterior Superior Intercostal Plane Block and Rhomboid Intercostal Block in Patients Undergoing Breast Cancer Surgery

Trial statusNot yet recruiting
Trial phaseNot applicable
Trial typeInterventional
Biological sexFemale
Age18-65
SponsorAntalya City Hospital

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 volunteers

Qualifiers

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

Design model

Parallel

Treatments tested in this trial

  • Serratus posterior superior intercostal plane block

    Procedure/Surgery

    Ultrasound-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/Surgery

    Ultrasound-guided rhomboid intercostal block (RIB) performed for postoperative analgesia following breast cancer surgery.

Treatment groups

60 Participants
are divided into 2 treatment groups
Group A: SERRATUS POSTERİOR SUPERİOR İNTERCOSTAL PLANE BLOCK (SPSIPB)Active comparator 1 intervention
Group B: RHOMBOİD İNTERCOSTAL BLOCK(RIB)Active comparator 1 intervention

Trial outcomes

Primary outcomes

1

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.

Time frame
0, 1, 4, 8, 12, and 24 hours after surgery

Secondary outcomes

1

Total opioid consumption via patient-controlled analgesia (PCA

Time frame
Within the first 24 hours postoperatively
2

Requirement for rescue analgesia

Time frame
Within the first 24 hours postoperatively
3

Block performance time

Time frame
During the block procedure (intraoperative period)
4

Block-related and systemic side effects

Time frame
Within the first 24 hours postoperatively

Other outcomes

Sponsors and contacts

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