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Poster displayed – Point-of-care ultrasound use (PoCUS)
P120 Ultrasound assisted surgical approach: navigating anatomical variations of lateral femoral cutaneous nerve
  1. Rucha Vora1,
  2. Bindiya Hari2 and
  3. Mariapaz Sebastian2
  1. 1Anaesthesia, Royal National Orthopaedic Hospital, London, UK
  2. 2Anaesthesia, Royal National Orthopaedic Hospital, London, UK

Abstract

Please confirm that an ethics committee approval has been applied for or granted: Not relevant (see information at the bottom of this page)

Background and Aims Use of ultrasound to map a nerve is a simple, non- invasive imaging technique which can aid in improving surgical efficiency and avoid nerve damage. Lateral Femoral Cutaneous Nerve (LFCN) injury and compression can lead to a painful condition called Meralgia Perathetica1. Surgical decompression of the LFCN in Meralgia Paresthetica may provide relief when conservative management fails. However, the considerable anatomic variability of this nerve may complicate surgical localization and thus prolong operative time2.

Methods We present a case of persistent LFCN exploration and neurolysis in a patient with persistent neuropathic pain along LFCN distribution despite previous decompression. LFCN was traced with ultrasound guidance allowing precise surgical exploration, neurolysis and neurectomy.

Results Preoperative tracing of LFCN aids with decision making regarding surgical approach. The total duration of this operation was 120 minutes.

Conclusions Preoperative knowledge on anatomical variations and path of the nerve can help the surgeon to determine the site of incision, more easily identify the LFCN intraoperatively, and thereby shorten the surgery time, especially in more medial variants3.

Abstract P120 Figure 1
Abstract P120 Figure 1

USS image: Lateral Femoral Cutaneous Nerve

Abstract P120 Figure 2
Abstract P120 Figure 2

Surgical View: Lateral Femoral Cutaneous Nerve

https://doi.org/10.1136/rapm-2024-ESRA.481

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