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Published in: Knee Surgery, Sports Traumatology, Arthroscopy 10/2023

Open Access 17-05-2023 | ANKLE

Free tendon grafts for surgical management of chronic tears of the main body of the Achilles tendon: a systematic review

Authors: Nicola Maffulli, Alessandro Bartoli, Giuliano Sammaria, Filippo Migliorini, Jon Karlsson, Francesco Oliva

Published in: Knee Surgery, Sports Traumatology, Arthroscopy | Issue 10/2023

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Abstract

Purpose

After four weeks from injury, tears of the Achilles tendon are considered chronic. Their management is challenging, and the use of a graft is suggested when the gap between proximal and distal stumps is greater than 6 cm. The present study systematically reviews the outcome of free tendon grafts in chronic ruptures of the Achilles tendon, evaluating clinical outcomes, complications and return to sport.

Methods

The present study was conducted according to the PRISMA 2020 guidelines. PubMed, Google Scholar, Embase, and Web of Science databases were accessed in February 2023. All the published clinical studies reporting clinical outcome, return to sport and complications of free tendon grafts used the treatment of chronic rupture of the midportion of the Achilles Tendon were accessed. The mean CMS (Coleman Methodology Score) of 65.7 suggested an overall good quality of the available published articles, attesting to the low risk of bias.

Results

Data from 22 articles (368 patients with a mean age of 47 years) were retrieved. The average time from rupture to surgery was 25.1 week. At last follow-up, the AOFAS (American Orthopaedic Foot and Ankle Surgery) and ATRS (Achilles Tendon Total Rupture Score) scores improved of 33.8 (P = 0.0004), and 45.1 points (P = 0.0001) respectively. Return to activity was reported in 105 patients, and 82 (78.1%) had no activity limitations, while 19 (18.1%) had limited recreational but not daily activity limitations, and 4 (3.8%) reported limitations in daily activities. Return to sport data was reported in six studies, and 45 of 93 (48.4%) patients returned to sport at an average of 22.6 weeks.

Conclusion

In chronic tears of the Achilles tendon, with a gap of at least 6 cm, free tendon grafts allow predictable return to sport and acceptable recovery function.

Level of evidence

Level IV.
Literature
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Metadata
Title
Free tendon grafts for surgical management of chronic tears of the main body of the Achilles tendon: a systematic review
Authors
Nicola Maffulli
Alessandro Bartoli
Giuliano Sammaria
Filippo Migliorini
Jon Karlsson
Francesco Oliva
Publication date
17-05-2023
Publisher
Springer Berlin Heidelberg
Published in
Knee Surgery, Sports Traumatology, Arthroscopy / Issue 10/2023
Print ISSN: 0942-2056
Electronic ISSN: 1433-7347
DOI
https://doi.org/10.1007/s00167-023-07446-4

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