Subarachnoid Block Versus Ultrasound Guided Transversalis Fascia Plane Block for Postoperative Analgesia of Inguinal Hernia Repair in Adults

With patients in a sitting position and after appropriate skin asepsis, a 25-G pencil-point spinal needle (Pencil Point Spinal Needle Set, Egemen International Ltd., Izmir, Turkey) will be inserted through the L3 to L4 or L4 to L5 intervertebral space and 15 mg of 0.5% hyperbaric bupivacaine (AstraZeneca Pharmaceuticals, Cambridge, United Kingdom) will be injected. Subsequently, the patients will be positioned supine.