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Postoperative Opioid Consumption of Serratus Posterior Superior Intercostal Plane Block Versus Thoracic Paravertebral Block
Sponsor: Zagazig University
Summary
Previous studies found that paravertebral and thoracic epidural continuous infusions of opioid-free local anaesthetic were found to be comparable, but paravertebral analgesia (PVA) was associated with less respiratory complications and hypotension. The newly emerging Serratus posterior superior intercostal plane block (SPSIPB) provided excellent analgesia in most studies that have focused on video-assissted thoracoscopic surgery (VATS) and breast surgery. The aim of this clinical trial is to achieve better high quality pain control with less opioid consumption either by Serratus Posterior Superior Intercostal Plane Block (SPSIPB) or Thoracic Paravertebral Block after Open thoracotomy. This study will assess and compare the analgesic efficacy of both blocks to reduce opioid consumption, the efficacy of both blocks on postoperative respiratory functions after open thoracotomy. The main question it aims to answer is: Is there a difference between Serratus Posterior Superior Intercostal Plane Block (SPSIPB) and Thoracic Paravertebral block following open thoracotomy as regard postoperative opioid consumption, postoperative pain score, and postoperative respiratory functions? All patients will take a single dose of local anesthesia either through serratus posterior superior intercostal plane block (SPSIPB) or thoracic paravertebral block and the end of open thoracotomy then total opiod consumption willbe recorded after 24 hours postoperatively.
Official title: Postoperative Opioid Consumption of Serratus Posterior Superior Intercostal Plane Block Versus Thoracic Paravertebral Block After Open Thoracotomy: A Randomized Prospective Trial
Key Details
Gender
All
Age Range
21 Years - 75 Years
Study Type
INTERVENTIONAL
Enrollment
48
Start Date
2026-05-15
Completion Date
2026-12-15
Last Updated
2026-05-29
Healthy Volunteers
No
Conditions
Interventions
Serratus Posterior Superior Intercostal Plane Block (single injection)
As described by Tulger et al., the block will be performed by a high-frequency (7-12 MHz) linear ultrasound probe. After slight scapular lateral displacement, the probe will be placed transversely at the level of the scapular spine. The upper border of the scapula, trapezius muscle, serratus posterior superior muscle (SPSM), and 2nd and 3rd ribs will be visualized. Using in-plane technique, the 80 mm block needle will be introduced from the level of the 3rd rib in the caudocranial direction through the medial scapular border passes through the skin and subcutaneous tissue to target the 3rd rib. After negative aspiration, the needle tip will be placed between the 3rd rib and the SPSM, hydro-dissection using 1-2 ml saline to ensure the correct needle placement then 30 ml of 0.25% bupivacaine will be injected between the SPSM and the 3rd rib.
Thoracic Paravertebral block (single injection)
A high-frequency (7-12 MHz) linear ultrasound probe will be placed 2-3cm lateral to the upper edge of the spinous process of the 5th thoracic vertebrae body which identified by counting down from the seventh cervical vertebrae. After visualizing the transverse process, the underlying muscles, the paravertebral space, the internal intercostal membrane, and the pleura, 80 mm block needle will be inroduced by the in-plane technique till the paravertebral space over the superior border of the transverse process. After identification of the paravertebral space using a loss of resistance technique, 30 ml of 0.25% bupivacaine will be injected.
Locations (1)
Zagazig university hospitals
Zagazig, Sharqia Province, Egypt