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SPSIP Versus RISS Block in Volume-Preserving VATS

ConditionsPostoperative PainThoracic Surgery
Trial statusRecruiting
Trial phaseNot applicable
Trial typeInterventional
Biological sexAll
Age18-75
SponsorFerit Yetik

About this trial

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.

Eligibility criteria

This trial does not accept healthy volunteers

Qualifiers

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

Disqualifiers

Use of anticoagulant or antiplatelet therapy

Bleeding diathesis

Known allergy to local anesthetics

Infection at the planned block site

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 (SPSIP) block performed before induction of general anesthesia using local anesthetic for postoperative analgesia in patients undergoing video-assisted thoracic surgery.

  • Rhomboid Intercostal and Subserratus Block

    Procedure/Surgery

    Ultrasound-guided Rhomboid Intercostal and Subserratus (RISS) block performed before induction of general anesthesia using local anesthetic for postoperative analgesia in patients undergoing video-assisted thoracic surgery.

Treatment groups

84 Participants
are divided into 2 treatment groups
Group A: SPSIP Block GroupExperimental treatment 1 intervention
Group B: RISS Block GroupExperimental treatment 1 intervention

Trial outcomes

Primary outcomes

1

Incidence of Somatic Pain at Chest Tube Insertion Site

Incidence of somatic pain localized at the chest tube insertion site, defined as sharp localized pain aggravated by coughing or deep inspiration, recorded as present or absent.

Time frame
Postoperative 2 hours

Secondary outcomes

1

Postoperative Pain Scores at Rest

Static postoperative pain scores assessed using the Numeric Rating Scale (NRS) at rest.

Time frame
Postoperative 2, 6, 12, and 24 hours
2

Postoperative Pain Scores During Movement

Dynamic postoperative pain scores assessed using the Numeric Rating Scale (NRS) during movement.

Time frame
Postoperative 2, 6, 12, and 24 hours
3

Total Intravenous Morphine Consumption

Total intravenous morphine consumption during the first 24 hours after surgery.

Time frame
Postoperative 24 hours
4

Interval Intravenous Morphine Consumption

Intravenous morphine consumption recorded separately for postoperative 0-8, 8-16, and 16-24 hour intervals.

Time frame
Postoperative 0-8, 8-16, and 16-24 hours

Other outcomes

Sponsors and contacts

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Ferit Yetik

Lead sponsor

Bursa Yuksek Ihtisas Training and Research Hospital

Sponsor institution

Bursa Sehir Hastanesi

Collaborator

Source ClinicalTrials.gov
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