Peri-articular Nerve Group Block Versus Fascia Iliaca Block on Postoperative Pain After Hip Arthroscopy

Analgesia

post operative pain, hip arthroscopy

The study aims to evaluate the efficacy of pericapsular nerve group block versus fascia iliaca block in reducing post operative pain within the first 24 hours following hip arthroscopy

In recent decades hip arthroscopy gained popularity and the number of procedures increase every year , due to the widening range of indications, as femoroacetabular impingement, labral tears, chondral injuries, loose bodies, osteonecrosis and septic arthritis Pain after hip arthroscopy due to several factors. divided in two regions. First the intra-articular where pain originates from the joint capsule (capsulotomy), a repaired labrum or bony resection. Outside the joint caused by traction, the portal tracts and extravasation of irrigation , soft tissue swelling. the hip joint found to be innervated from the femoral nerve for its anterior part, the obturator nerve for its antero-medial part, the sciatic nerve for its posterior part, and the nerve to the quadratus femoris muscle for its postero-medial par Pericapsular Nerve Group (PENG) Block aims to block the articular branches of the accessory obturator and femoral nerve Also, it could spread to block the obturator nerve and its articular branches the high articular branches from FN and AON are found between the anterior inferior iliac spine(AIIS) and the ilio pubic eminence (IPE), whereas the ON is located close to the inferomedial acetabulum. The fascia iliaca compartment is a virtual space anteriorly limited by the posterior surface of the fascia iliaca, posteriorly by the iliacus muscle and is cranially in continuation with the space between quadratus lumborum muscle and its fascia . Three important nerves for hip innervation are located in this space, the femoral nerve, obturator nerve and lateral femoral cutaneous nerve

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