Lengthening of knee flexor muscles by percutaneous needle tenotomy: Description of the technique and preliminary results

Alexis Schnitzler, François Genêt, Aurélie Diebold, Laurence Mailhan, Claire Jourdan and Philippe Denormandie

PLOS ONE, 2017, vol. 12, issue 11, 1-7

Abstract: Background: Knee flexion contractures occur frequently in non-ambulatory, aged persons and persons with central nervous system lesions, rendering positioning and nursing care difficult. There are often risks associated with surgical interventions. Objective: To evaluate the effectiveness of percutaneous needle tenotomy to lengthen the knee flexor muscles and improve passive function. Methods: This was a retrospective study of all patients who underwent percutaneous needle tenotomy between 2012 and 2014. Tenotomy was carried out in the semi-tendinosus, biceps femoris and gracillis muscles under local anesthesia. The procedure took no more than 40 minutes. Range of motion (ROM) was evaluated immediately post-operatively and 3 months later. Results: Thirty-four needle tenotomies were carried out. Mean lack of knee extension was 94.2° (range 35–120°) pre-op, (range 15–90°; p

Date: 2017
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0182062

DOI: 10.1371/journal.pone.0182062

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