PURPOSE: To evaluate the long-term results following eccentric calf-muscle training in patients with chronic Achilles tendinopathy. MATERIALS AND METHODS: A total of 24 patients with chronic Achilles tendinopathy were included in a study evaluating MRI findings and clinical symptoms before and after 3 months of daily eccentric calf-muscle strength training. Median duration of symptoms was 18 months (range 6-120). Four of the patients did not perform the prescribed treatment for different reasons and were followed for 14 months. The resulting 20 treated patients completed 4.2-year (range 29-58 months) follow up. Tendon volume was evaluated by using 3D seed growing technique and signal abnormalities were visually semi-quantitatively graded. Level of pain and performance was categorized using a questionnaire completed by the patient. RESULTS: In the symptomatic treated patients, median intensity level of pain decreased from moderate/severe at time of inclusion to mild at follow up (p < 0.05). Median level of performance increased from severe impairment at time of inclusion to normal at follow up (p < 0.05). 12 out of 20 patients had raised intratendinous signal at time of inclusion compared to 2 out of 20 patients at follow up (p < 0.001). Mean tendon-volume measured 6.7 cm(3) (SD 2.0) at time of inclusion and 6.4 cm(3) (SD 2.0) at follow up (p = 0.18). The four symptomatic non-treated tendons did not improve regarding pain, performance, intratendinous signal or tendon volume. CONCLUSION: We found decreased pain, improved performance and decreased intratendinous signal both compared to index examination and immediately after the 3 months training regimen in a 4.2-year clinical and MRI follow up, in a group of patients treated with heavy loaded eccentric calf-muscle training for chronic Achilles tendinopathy. The improvements were greater at 4.2-year follow up, despite no further active treatment, than immediately after the treatment. This may indicate a good long-term prognosis for Achilles tendinosis patients.
PURPOSE: To evaluate the long-term results following eccentric calf-muscle training in patients with chronic Achilles tendinopathy. MATERIALS AND METHODS: A total of 24 patients with chronic Achilles tendinopathy were included in a study evaluating MRI findings and clinical symptoms before and after 3 months of daily eccentric calf-muscle strength training. Median duration of symptoms was 18 months (range 6-120). Four of the patients did not perform the prescribed treatment for different reasons and were followed for 14 months. The resulting 20 treated patients completed 4.2-year (range 29-58 months) follow up. Tendon volume was evaluated by using 3D seed growing technique and signal abnormalities were visually semi-quantitatively graded. Level of pain and performance was categorized using a questionnaire completed by the patient. RESULTS: In the symptomatic treated patients, median intensity level of pain decreased from moderate/severe at time of inclusion to mild at follow up (p < 0.05). Median level of performance increased from severe impairment at time of inclusion to normal at follow up (p < 0.05). 12 out of 20 patients had raised intratendinous signal at time of inclusion compared to 2 out of 20 patients at follow up (p < 0.001). Mean tendon-volume measured 6.7 cm(3) (SD 2.0) at time of inclusion and 6.4 cm(3) (SD 2.0) at follow up (p = 0.18). The four symptomatic non-treated tendons did not improve regarding pain, performance, intratendinous signal or tendon volume. CONCLUSION: We found decreased pain, improved performance and decreased intratendinous signal both compared to index examination and immediately after the 3 months training regimen in a 4.2-year clinical and MRI follow up, in a group of patients treated with heavy loaded eccentric calf-muscle training for chronic Achilles tendinopathy. The improvements were greater at 4.2-year follow up, despite no further active treatment, than immediately after the treatment. This may indicate a good long-term prognosis for Achilles tendinosispatients.
Authors: Karin Grävare Silbernagel; Peter Malliaras; Robert-Jan de Vos; Shawn Hanlon; Mitchel Molenaar; Håkan Alfredson; Inge van den Akker-Scheek; Jarrod Antflick; Mathijs van Ark; Kenneth Färnqvist; Zubair Haleem; Jean-Francois Kaux; Paul Kirwan; Bhavesh Kumar; Trevor Lewis; Adrian Mallows; Lorenzo Masci; Dylan Morrissey; Myles Murphy; Richard Newsham-West; Richard Norris; Seth O'Neill; Koen Peers; Igor Sancho; Kayla Seymore; Patrick Vallance; Arco van der Vlist; Bill Vicenzino Journal: Sports Med Date: 2021-11-19 Impact factor: 11.136
Authors: A van der Plas; S de Jonge; R J de Vos; H J L van der Heide; J A N Verhaar; A Weir; J L Tol Journal: Br J Sports Med Date: 2011-11-10 Impact factor: 13.800