Ultrasound-Guided Subtransverse Interligamentary Block Versus Thoracic Paravertebral Block for Postoperative Analgesia in Patients Undergoing Open Nephrectomy
Ultrasound-Guided Subtransverse Interligamentary Block Versus Thoracic Paravertebral Block for Postoperative Analgesia in Patients Undergoing Open Nephrectomy: A Randomized Clinical Trial
Tanta University
70 participants
Aug 23, 2025
INTERVENTIONAL
Conditions
Summary
This study aims to compare ultrasound-guided subtransverse process interligamentary (STIL) block versus thoracic paravertebral block (TPVB) for postoperative analgesia in patients undergoing open nephrectomy.
Eligibility
Inclusion Criteria4
- Age from 18 to 65 years.
- Both sexes.
- American Society of Anesthesiology (ASA) physical status I-III.
- Undergoing open nephrectomy under general anesthesia.
Exclusion Criteria8
- History of allergies to local anesthetics.
- Opioid dependency.
- Bleeding or coagulation disorders.
- Psychiatric and neurological disorder.
- Local infection at the site of injection.
- Body mass index (BMI) \> 35 kg/m2.
- Severe heart, lung, liver, and renal dysfunction.
- Pregnant or lactating women.
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Interventions
Patients will receive subtransverse process interligamentary (STIL) block using 20ml of bupivacaine 0.25%.
Patients will receive a thoracic paravertebral block (TPVB) using 20ml of bupivacaine 0.25%.
Locations(1)
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NCT07138794