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Pudendal Neuralgia: A New Option for Treatment? Preliminary Results on Feasibility and Efficacy
Marco Venturi1,2, Paolo Boccasanta1,2, Bruno Lombardi1,2
1Department of Pathophysiology and Transplantation, Section of Surgery, Università degli Studi di Milano.
Objective:
The aim of this prospective study was to investigate the feasibility and report the short-term results of a new procedure for treatment of pudendal neuralgia, consisting of transperineal injections of autologous adipose tissue with stem cells along the Alcock's canal.
Methods:
Fifteen women with pudendal neuralgia not responsive to 3-months medical therapy were examined clinically, with VAS score, validated SF-36 questionnaire, and pudendal nerve motor terminal latency (PNMTL). These patients were submitted to pudendal nerve lipofilling. Clinical examinations with VAS, SF36, and PNTML were scheduled during 12 months follow-up, with the incidence of pain recurrence (VAS > 5) as primary outcome measure. Appropriate tests were used for statistics.
Results:
All patients had preoperative increase of pudendal nerve latencies. Twelve patients completed the follow-up protocol. There was no mortality, and no complications. Two patients had no pain improvement and continued to use analgesic drugs. At 12 months VAS significantly improved (3.2 ± 0.6 vs 8.1 ± 0.9, P < 0.001), as well SF36 (75.5 ± 4.1 vs 85.0 ± 4.5 preoperative, P < 0.01), while PNTML showed a nonsignificant trend to a better nerve conduction (2.64 ± 0.04 vs 2.75 ± 0.03 preoperative, P = 0.06).
Conclusions:
The new technique seems to be easy, with low risk of complications, and with significant improvement of symptoms in the short period. A larger study with appropriate controls and longer follow-up is now needed to assess its real effectiveness.
