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SPSIP Versus RISS Block in Volume-Preserving VATS

RecruitingNAAges 18 Years - 75 YearsAllFerit Yetik
NCT07655336 on ClinicalTrials.gov ↗
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In plain words

What the trial is, and whether it could suit you

This prospective randomized controlled study aims to compare the effects of Serratus Posterior Superior Intercostal Plane (SPSIP) block and Rhomboid Intercostal and Subserratus (RISS) block on postoperative pain, respiratory function, and recovery quality in patients undergoing volume-preserving video-assisted thoracoscopic surgery (VATS). Eighty-four patients will be randomized in a 1:1 ratio to receive either SPSIP block or RISS block. The primary outcome is the incidence of somatic pain at the chest drain insertion site at postoperative 2 hours. Secondary outcomes include pain scores, opioid consumption, quality of recovery, diaphragmatic function, pulmonary function, rescue analgesic requirements, postoperative nausea and vomiting, and block-related complications.

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📋 Eligibility rules (as published)
Inclusion Criteria: * Patients scheduled for elective biportal video-assisted thoracoscopic surgery (VATS) with lung parenchyma-preserving thoracic procedures under general anesthesia * American Society of Anesthesiologists (ASA) physical status I-III * Age between 18 and 75 years * Provision of written informed consent Exclusion Criteria: * Use of anticoagulant or antiplatelet therapy * Bleeding diathesis * Known allergy to local anesthetics * Infection at the planned block site * Severe chronic pulmonary disease or advanced respiratory failure (e.g., severe COPD or restrictive lung disease) * Cognitive impairment preventing reliable NRS assessment * Pregnancy or lactation * Chronic opioid use (regular use for ≥3 months) * Severe hepatic or renal failure * Refusal to participate * Technical failure or unsuccessful regional block * Conversion to open thoracotomy during surgery
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What it tests

  • Serratus posterior superior intercostal plane block
  • Rhomboid Intercostal and Subserratus Block
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Where

1 site
Bursa City Hospital
Bursa, Turkey (Türkiye)
🤝 Taking part is your choice, and you can leave at any time. Only the trial team can confirm you are eligible — always decide together with your own doctor.
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