PMID: 11912092Mar 26, 2002Paper

Radiofrequency electrothermal shrinkage of the anterior cruciate ligament

The American Journal of Sports Medicine
Thomas R CarterSamantha Edinger

Abstract

The efficacy of electrothermal collagen shrinkage in the treatment of patients with anterior cruciate ligament laxity was evaluated. Eighteen patients who had continuity of the anterior cruciate ligament but had symptomatic laxity were treated with arthroscopic electrothermal shrinkage of the anterior cruciate ligament using a monopolar radiofrequency probe. The mean length of follow-up in patients whose stability was maintained was 20.5 months. Seven of the patients had undergone previous reconstruction, four with patellar tendon graft and three with quadrupled hamstring tendon graft. Laxity was chronic in nine patients and acute in nine. The KT-1000 arthrometer results at 1 month postoperatively revealed decreased anterior excursion, with an average side-to-side difference of 1.9 mm. However, 11 patients had a failed result at an average 4.0 months. Of the seven patients with successful results, six had native ligaments and had been treated for acute laxity and one had a patellar tendon graft and had been treated for chronic laxity. Even with the short-term follow-up in our study, it is evident that thermal shrinkage using radiofrequency technology has limited application for patients with anterior cruciate ligament laxity. A...Continue Reading

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Citations

May 7, 2005·Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA·Hsiao-Li MaShih-Chieh Hung
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