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Ipsilateral Hamstring Tendon Graft Reconstruction for Chronic Patellar Tendon RupturesAverage 5.8-Year Follow-up
Nicola Maffulli, MD, MS, PhD, FRCS(Orth)1; Angelo Del Buono, MD2; Mattia Loppini, MD2; Vincenzo Denaro, MD2
1 Centre for Sports and Exercise Medicine, Barts and The London School of Medicine and Dentistry, Mile End Hospital, 275 Bancroft Road, London E1 4DG, England
2 Department of Orthopaedic and Trauma Surgery, Campus Biomedico University, Via Alvaro del Portillo, 200, 00128 Trigoria, Rome, Italy
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Investigation performed at Queen Mary University, London, United Kingdom



Disclosure: None of the authors received payments or services, either directly or indirectly (i.e., via his or her institution), from a third party in support of any aspect of this work. None of the authors, or their institution(s), have had any financial relationship, in the thirty-six months prior to submission of this work, with any entity in the biomedical arena that could be perceived to influence or have the potential to influence what is written in this work. Also, no author has had any other relationships, or has engaged in any other activities, that could be perceived to influence or have the potential to influence what is written in this work. The complete Disclosures of Potential Conflicts of Interest submitted by authors are always provided with the online version of the article.

Copyright © 2013 by The Journal of Bone and Joint Surgery, Inc.
J Bone Joint Surg Am, 2013 Sep 04;95(17):e123 1-6. doi: 10.2106/JBJS.L.01462
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Abstract

Background: 

Patellar tendon reconstruction is technically demanding and is indicated in patients with chronic ruptures (i.e., still present more than six weeks after injury). The purpose of this study was to assess the effectiveness of this procedure in patients with impaired function following patellar tendon rupture.

Methods: 

Nineteen patients underwent autologous ipsilateral hamstring tendon graft reconstruction for management of a chronic patellar tendon rupture. The clinical diagnosis was supported by imaging radiographs and magnetic resonance imaging. The modified Cincinnati rating system questionnaire and the Kujala scoring questionnaire were administered preoperatively and at the last examination, an average follow-up of 5.8 years (range, four to 7.8 years) postoperatively. Thigh volume, cross-sectional area of the thigh (muscle and bone), and the maximum isometric voluntary contraction strength of the extensor apparatus of the knee were measured bilaterally in all nineteen patients.

Results: 

At the last follow-up visit, knee flexion had increased from a mean of 110° preoperatively to a mean of 132° and extension lag had significantly decreased from 20° preoperatively to 3°; the mean modified Cincinnati and Kujala scores were notably improved. All patients had returned to ordinary daily activities. Fourteen of nineteen patients were very satisfied with the procedure, three were satisfied, one was moderately satisfied, and one was unsatisfied.

Conclusions: 

On the basis of our review of nineteen patients, hamstring tendon reconstruction of chronic patellar tendon rupture provided good functional recovery and return to preinjury daily activities.

Level of Evidence: 

Therapeutic Level IV. See Instructions for Authors for a complete description of levels of evidence.

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    References

    Accreditation Statement
    These activities have been planned and implemented in accordance with the Essential Areas and policies of the Accreditation Council for Continuing Medical Education (ACCME) through the joint sponsorship of the American Academy of Orthopaedic Surgeons and The Journal of Bone and Joint Surgery, Inc. The American Academy of Orthopaedic Surgeons is accredited by the ACCME to provide continuing medical education for physicians.
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