At a glance
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Efficacy of Ultrasound Guided Local Anesthetic Field Block (A Five Step Procedure) as a Sole Anesthetic for Open Inguinal Hernia Repair Versus Spinal Anesthesia: A Randomized Controlled Study.
In Brief
A clinical study evaluating US guided five step field block and Spinal anesthesia for Inguinal Hernia. Completed, enrolled 96 participants across 1 site.
Detailed Summary
The aim of this study is to evaluate success, efficacy, feasibility and safety of a simple five step ultrasound guided local anesthetic infiltration technique for unilateral open inguinal hernia repair and to determine the non-inferiority of the block to spinal anesthesia by comparing intraoperative and postoperative complications, pain control and patient and surgeon satisfaction of the block with spinal anesthesia.
Study Details
Timeline
Interventions
Ultrasound will guide needle insertion in the following layers (except intradermic injection): * Subdermic infiltration. Approximately 8 milliliters * Intradermic injection (making of the skin wheal). of approximately 6 milliliters. * Deep subcutaneous injection. 8 milliliters of the mixture will be injected deep into the subcutaneous adipose * Subfascial infiltration. Approximately eight milliliters of the anesthetic mixture will be injected immediately underneath the aponeurosis of the external oblique. * Pubic tubercle and hernia sac injection. Occasionally, infiltration of ten milliliters of the mixture at the level of the pubic tubercle, around the neck and inside the indirect hernia sac
Spinal anesthesia will be administered in sitting position, with 25 gauge Quincke spinal needle in L3-L4 intervertebral space, under all aseptic precautions and local infiltration, with 3.0 ml of 0.5% bupivacaine (heavy) after ensuring free, clear and adequate flow of cerebrospinal fluid. After giving spinal anesthesia, patient will be made to lie supine.