• Akif Albayrak, Rasit Ozcafer, Mehmet B Balioglu, Deniz Kargin, Yunus Atici, and Mehmet N Ermis.
• M.S. Baltalimani Bone Disease and Research Hospital, Istanbul - Turkey.
• Hip Int. 2015 Mar 1;25(2):172-5.

IntroductionPiriformis syndrome involves the irritation of the piriformis muscle due to various reasons that are primarily related to anatomical variation or sciatic nerve compression due to contraction caused by overuse. In this study, we aimed to define an injection method that is easy to apply, safe, simple and repeatable.Materials And MethodsWe administered percutaneous lidocaine and depomedrol injections into the hips of 28 patients (14 men and 14 women) under fluoroscopic control. Bipolar injections of the piriformis muscle were performed at the medial pole, the intersection of the sciatic notch and the sacroiliac joint, and at the lateral pole of the femoral insertion region. Each injection was 5 cc, and the contrast agent was observed after the dyeing process.ResultsClinical examinations were performed before and 6 weeks after the injections. The average of Harris Hip Score increased from a pre-injection score of 44.5 to a post-injection score of 68.5, and the Visual Analog Scale scores decreased from 8.3 to 4.2 (p<0.05).CommentsOur findings lead to the conclusion that fluoroscopy-guided percutaneous local anaesthetic and corticosteroid injection is a simple and effective piriformis syndrome treatment that can feasibly be effectively performed by orthopaedic surgeons.

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