Publication:
Effect of muscle atrophy and fatty infiltration on mid-term clinical, and functional outcomes after achilles tendon repair

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2021-09-24

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Elsevier

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Objectives: Muscle atrophy is one of the most common problems after Achilles tendon repair. The aim of this study was to evaluate the effect of gastrosoleus muscle atrophy and fatty infiltration on clinical, and functional outcomes after Achilles tendon repair.Material and methods: A total of 46 patients (mean age = 39.3 +/- 7.4 years) who underwent open Achilles tendon repair were included in the study. During the clinical evaluation of muscle atrophy, ipsilateral and contralateral calf circumference (CC), maximum heel rise (HR), and ankle range of motion measurements were recorded. Functional outcomes were assessed via The Achilles tendon Total Rupture Score (ATRS), the American Orthopedic Foot and Ankle Society (AOFAS) ankle-hindfoot score, and the Leppilahti score. Muscle volume (MV), cross-sectional area (CSA), and percent of fatty infiltration (FI) were measured via magnetic image resonance.Results: The functional outcome scores were excellent: ATRS = 98.1 +/- 2.2; AOFAS = 97.3 +/- 4.1; Leppilahti score = 95.8 +/- 5.1. There were significant differences detected between injured and non-injured legs regarding CC, HR, MV, CSA, and FL Additionally, there were significant negative correlations between CSA and MV loss with all functional outcome scores. Fl was correlated with only the AOFAS ankle-hindfoot score.Conclusions: Significant muscle atrophy was measured after a mean follow-up period of 7.4 (range 2.0-12.6) years post-surgery and negatively correlated with clinical outcomes. CC is an easy and cost-effective measurement method to predict MV during the follow-up of Achilles tendon repairs. (C) 2020 European Foot and Ankle Society. Published by Elsevier Ltd. All rights reserved.

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Rotator cuff, Follow-up, Rupture, Strength, Length, Achilles tendon rupture, Fatty infiltration, Muscle atrophy, Muscle volume, Clinical outcomes, Science & technology, Life sciences & biomedicine, Orthopedics

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