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Transverse vs. Longitudinal Serratus Anterior Plane Block in Breast Surgery

Transverse vs. Longitudinal Serratus Anterior Plane Block in Breast Surgery

Recruiting
18-65 years
All
Phase N/A
  • Technical (Original)
  • Simplified (AI rewritten)

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Overview

The aim of this prospective, randomized controlled trial is to compare the analgesic efficacy of transverse versus longitudinal ultrasound probe orientations during Serratus Anterior Plane (SAP) block in patients undergoing breast surgery. The study hypothesizes that the longitudinal approach (probe parallel to the ribs) may provide better craniocaudal spread of the local anesthetic, thereby resulting in lower postoperative Visual Analog Scale (VAS) scores and reduced opioid consumption compared to the standard transverse approach.

Eligibility

Inclusion Criteria:

  • Patients aged between 18 and 65 years
  • American Society of Anesthesiologists (ASA) physical status I, II, or III
  • BMI between 18 - 30 kg/m2
  • Patients scheduled for elective breast surgery
  • Ability to provide written informed consent

Exclusion Criteria:

  • Known allergy to local anesthetics
  • Infection at the injection site
  • Severe coagulopathy or use of anticoagulants
  • Chronic opioid use or history of neuropathic pain

Study details
    Fascial Plane Block
    Pain
    Postoperative
    Breast Surgery
    Acute Pain
    Mastectomy

NCT07739277

Ankara Etlik City Hospital

8 August 2026

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