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Papers of the Week

2021 Nov 14

J Foot Ankle Surg

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


Park Y H, Kim W, Kim J Y, Choi G W, Kim H J
J Foot Ankle Surg. 2021 Nov 14.
PMID: 34887161.


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.