Ultrasound and electrical stimulator-guided obturator nerve block with phenol in the treatment of hip adductor spasticity in long-term care patients: a randomized, triple blind, placebo controlled study.

Objective: To evaluate the effectiveness of ultrasound-guided phenol nerve block in the treatment of severe hip adductor spasticity in long-term care patients.

Methods: Double-blind placebo-controlled trial with a 9-month follow-up period.

Setting: A 250-bed long-term care hospital and the infirmary units of 5 regional hospitals.