Abstract

Surgical excision of the groin and vulva is a painful procedure. Traditionally following general or regional anaesthesia, local anaesthetic was infiltrated around the wound. Thedistribution varied and the somatic pain control was not reliable. Inspired by the success of the application of peripheral nerve blocks for postoperative pain control with open abdominal procedures, we introduced blockade of the ilioinguinal nerve (IIN) and pudendal nerve (PN) into our vulval surgery to assess the requirement for parenteral and oral analgesia in the postoperative period.This is an observational study of all patients undergoing major vulval and/or related groin surgery. Sampling biopsies were excluded. Levobipuvicaine 0.25% (2.5 mg/ml) or 0.5% (5 mg/ml) was used for and dosage was calculated based on the patient’s weight with no more than 2 mg/kg. For example, using 0.25% of levobupivacaine (2.5 mg/ml) for a 70 kg patient, 56 ml is administered divided into 4, giving 14mls at each site (2 sites abdominally for IIN block and 2 sites for pudendal block).Eighteen women were included in the analysis. Median age was 67 (range 34–81) years and thirteen (72%) were >60 years. Visual analogue scores (VAS) ranged from 0 to 3 for seventeen patients from day 0 to day 1 and fifteen patients from day 2 to day 5. Two patients had pain scores >4 on one or more postoperative days: one had chronic arthralgia and one had received a lower volume of bupivacaine.This observational study demonstrates that ilioinguinal and pudendal nerve LA blocks may be a valuable addition to the multimodal postoperative analgesic pathway for women undergoing major surgical excision in the vulva and groin.

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