Clinical Impact of Metabolic Syndrome on Eccentric Exercises for Chronic Insertional Achilles Tendinopathy

초록

Metabolic syndrome is one factor known to contribute to the development of tendinopathies. The aim of this study was to compare the clinical outcomes of eccentric calf-muscle exercise for treatment of chronic insertional Achilles tendinopathy in patients with or without metabolic syndrome. Twenty-eight patients with chronic insertional Achilles tendinopathy and metabolic syndrome who performed eccentric calf-muscle exercise were retrospectively compared with 28 age- and sex-matched controls without metabolic syndrome. Comparisons between the 2 groups were made by evaluating the Visual Analog Scale for pain, patient satisfaction, and amount of pain medications needed during 3 months of follow-up. Two-way analysis of variance with repeated measures showed that the pain scales in the metabolic syndrome group were higher than those in the control group during the follow-up period (F[1,54] = 24.45, p <.001). The patient satisfaction ratings were lower and the amount of required pain medication was higher in the metabolic syndrome group (p <.001 and p <.001, respectively). Eccentric calf-muscle exercises for chronic insertional Achilles tendinopathy were less effective in patients with metabolic syndrome. Therefore, these patients should be managed with a combination of other treatment modalities rather than eccentric exercise alone. (C) 2021 by the American College of Foot and Ankle Surgeons. All rights reserved.

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