Alterations in structure of the muscle-tendon unit and gait pattern after percutaneous repair of Achilles tendon rupture with the Dresden instrument |
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Authors: | Sebastian Manegold Serafim Tsitsilonis Tobias Gehlen Sebastian Kopf Georg N. Duda Alison N. Agres |
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Affiliation: | 1. Charité — University Medicine Berlin, Center for Musculoskeletal Surgery, Campus Virchow Clinic, Augustenburger Platz 1, 13353, Berlin, Germany;2. Berlin-Brandenburg Center for Regenerative Therapies/BSRT, Charité — University Medicine Berlin, Augustenburger Platz 1, 13353, Berlin, Germany |
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Abstract: | BackgroundFunctional deficits after Achilles tendon (AT) ruptures are observed. The relationship between musculotendinous structural alterations and functional outcome is not clear.MethodsKinematic analyses (level walking, stair climbing), patient-reported outcome measures (PROMs), calf atrophy (maximum calf circumference (MCC)), and AT length were evaluated in patients after percutaneous AT repair with the Dresden instrument (n = 20 min. follow-up: 24 months).ResultsPatients achieved good results in PROMs. However, MCC decreased significantly and AT length increased significantly postoperatively. Side-to-side MCC differences over 2 cm resulted in significantly lower PROMs. AT lengthening correlated with increased dorsiflexion and decreased plantarflexion.ConclusionCalf atrophy and AT lengthening after minimally invasive AT repair resulted in inferior ankle kinematics and PROMs. |
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Keywords: | Corresponding author: Charité — University Medicine Berlin, Center for Musculoskeletal Surgery, Augustenburger Platz 1, 13353 Berlin, Germany. Achilles tendon rupture Gait analysis Tendon lengthening Muscle atrophy Functional deficits Minimally invasive Achilles tendon repair |
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