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NCT Number: NCT07011069

Rhomboid Intercostal and Subserratus Plane Block vs Erector Spinae Plane Block in Video-Assisted Thoracoscopic Surgery

To compare the rhomboid intercostal subserratus plane block with the erector spinae plane block regarding their analgesic efficacy and effects on respiratory function for patients undergoing video-assisted thoracoscopic surgery.

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Key information

Conditions

Video Assisted Thoracoscopic Surgery Pulmonary Functions Regional Block for Pain Control Regional Blocks

Age range

18 year–80 year

Sex eligibility

All sexes

Study type

Interventional

Phase

Not applicable

Primary location

University of Health Sciences, Bursa City Hospital

Bursa, Nilufer, 16110, Turkey (Türkiye)

About this study

Video-assisted thoracoscopic surgery (VATS) can be very painful and may lead to complications such as prolonged stays in intensive care, thromboembolic complications due to lack of early mobilization, chronic acute pain, and delirium if adequate analgesia is not provided. Therefore, using thoracic epidural, paravertebral, or regional blocks as part of multimodal analgesia is recommended to provide effective pain relief.

This study aims to compare the effects of the erector spinae plane block (ESP) and rhomboid intercostal subserratus plane block (RISS) on postoperative analgesia and the improvement of respiratory parameters in patients undergoing VATS. These two techniques may have different analgesic profiles with respect to somatic and visceral pain.

The primary objective is to evaluate the incidence of chest tube-site somatic pain at postoperative hour 2. Secondary objectives include the incidence of visceral pain, total analgesic consumption in the first 24 hours postoperatively, assessing resting and dynamic pain scores, triflow performance, complications, and length of hospital stay.

Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • Patients who will undergo VATS
  • Who agrees to participate
  • American Society of Anesthesiologists (ASA) physical status I, II, and III
  • Elective surgery
  • Age between 18 and 80 years

Exclusion criteria

  • Local anesthetic allergy
  • Who disagrees to participate
  • ASA physical status IV and V
  • Emergency surgery
  • Hemorrhagic disease
  • Thoracic vertebrae deformity
  • Thoracic vertebrae surgery

Treatment and study plan

ESP block group

Procedure

ESP blocks are performed for patients undergoing VATS.

RISS block group

Procedure

RISS blocks are performed for patients undergoing VATS.

Primary outcomes

  1. Incidence of chest tube-site somatic pain

    Time frame: At postoperative hour 2

    Proportion of participants with localized pain at the chest tube insertion site, elicited by palpation or chest tube manipulation. Somatic pain was recorded as present or absent.

Secondary outcomes

  1. Dynamic pain score

    Time frame: Postoperative first 24 hours.

    Postoperative pain scores during coughing and deep breathing are measured on a 11 cm scale, where "0" indicates no pain and "10" indicates the worst pain ever.

  2. Opioid consumption

    Time frame: Postoperative first 24 hours.

    Total opioid consumption within the first 24 hours in the postoperative period.

  3. Resting pain score

    Time frame: Postoperative first 24 hours.

    Postoperative pain scores during rest are measured on a 11 cm scale, where "0" indicates no pain and "10" indicates the worst pain ever.

  4. Pulmonary functions

    Time frame: Postoperative first 24 hours.

    Pulmonary functions are assessed using Triflow performance. Postoperative Triflow numbers (whether 1, 2, or 3 balls can be raised) for the patients are recorded.

  5. Complications

    Time frame: From block administration to hospital discharge.

    Complications regarding regional blocks and surgery (such as hematoma, pulmonary complications) are recorded.

  6. Hospital stay time

    Time frame: From surgery to hospital discharge.

    The length of hospital stay is recorded.

  7. Incidence of visceral pain

    Time frame: At postoperative hour 2

    Proportion of participants reporting deep, poorly localized intrathoracic pain not confined to the incision or chest tube insertion site. Pain was recorded as present or absent.

Interested in participating?

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Sponsors and collaborators

Lead sponsor

Bursa City Hospital

Other Gov

Registry information

Official study title

Comparison of the Efficacy of Rhomboid Intercostal and Subserratus Plane Block (RISS) Versus Erector Spinae Plane (ESP) Blocks in Video-Assisted Thoracoscopic Surgery (VATS) for Postoperative Pain Management and Respiratory Function

Important dates

Study start
2025
Primary completion
2025
Study completion
2025
First posted
Jun 8, 2025
Registry last updated
Sep 24, 2026

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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