Early Predictors of Recovery From Nonoperatively Treated Achilles Tendon Rupture: 1 Year Follow‐Up Study.

Autor:	Sukanen, Maria, Khair, Ra'ad M., Reito, Aleksi, Ponkilainen, Ville, Paloneva, Juha, Cronin, Neil, Hautala, Arto J., Finni, Taija
Předmět:	CALF muscle physiology CONSERVATIVE treatment RESEARCH funding MULTIPLE regression analysis TREATMENT effectiveness ACHILLES tendon DESCRIPTIVE statistics MUSCLE strength LONGITUDINAL method SPORTS participation ACHILLES tendon rupture CONVALESCENCE CONFIDENCE intervals MUSCLE contraction CLINICAL prediction rules
Zdroj:	Scandinavian Journal of Medicine & Science in Sports; Jul2024, Vol. 34 Issue 7, p1-9, 9p
Abstrakt:	Purpose: To investigate early structural and mechanical predictors of plantarflexor muscle strength and the magnitude of Achilles tendon (AT) nonuniform displacement at 6 and 12 months after AT rupture. Methods: Thirty‐five participants (28 males and 7 females; mean ± SD age 41.7 ± 11.1 years) were assessed for isometric plantarflexion maximal voluntary contraction (MVC) and AT nonuniformity at 6 and 12 months after rupture. Structural and mechanical AT and plantarflexor muscle properties were measured at 2 months. Limb asymmetry index (LSI) was calculated for all variables. Multiple linear regression was used with the 6 and 12 month MVC LSI and 12 month AT nonuniformity LSI as dependent variables and AT and plantarflexor muscle properties at 2 months as independent variables. The level of pre‐ and post‐injury sports participation was inquired using Tegner score at 2 and 12 months (scale 0–10, 10 = best possible score). Subjective perception of recovery was assessed with Achilles tendon total rupture score (ATRS) at 12 months (scale 0–100, 100=best possible score). Results: Achilles tendon resting angle (ATRA) symmetry at 2 months predicted MVC symmetry at 6 and 12 months after rupture (β = 2.530, 95% CI 1.041–4.018, adjusted R2 = 0.416, p = 0.002; β = 1.659, 95% CI 0.330–2.988, adjusted R2 = 0.418, p = 0.016, respectively). At 12 months, participants had recovered their pre‐injury level of sports participation (Tegner 6 ± 2 points). The median (IQR) ATRS score was 92 (7) points at 12 months. Conclusion: Greater asymmetry of ATRA in the early recovery phase may be a predictor of plantarflexor muscle strength deficits up to 1 year after rupture. Trial Registration: This research is a part of "nonoperative treatment of Achilles tendon rupture in Central Finland: a prospective cohort study" that has been registered in ClinicalTrials.gov (NCT03704532) [ABSTRACT FROM AUTHOR]
Databáze:	Complementary Index
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