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Is recovery from ankle sprains negatively affected by obesity? - 25/01/19

Doi : 10.1016/j.rehab.2018.08.006 
I.A. Bielska a, , R. Brison a, b, B. Brouwer c, d, I. Janssen a, d, A.P. Johnson a, A.G. Day e, W. Pickett a, b
a Department of Public Health Sciences, Queen's University, K7L 3N6 Kingston, ON, Canada 
b Department of Emergency Medicine, Queen's University, K7L 3N6 Kingston, ON, Canada 
c School of Rehabilitation Therapy, Queen's University, K7L 3N6 Kingston, ON, Canada 
d Department of Kinesiology and Health Studies, Queen's University, K7L 3N6 Kingston, ON, Canada 
e Kingston General Hospital Research Institute, K7L 2V7 Kingston, ON, Canada 

Corresponding author.

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Highlights

At 6 months, a sizeable proportion of participants with ankle sprains had not fully recovered.
Higher levels of incomplete recovery were observed among individuals with obesity.
This finding was statistically significant but not clinically meaningful on 2 foot and ankle outcome score subscales.

Le texte complet de cet article est disponible en PDF.

Abstract

Objective

Ankle sprains are common injuries that may lead to long-term morbidity. Individuals with obesity are at increased risk for ankle sprains; however, prognostic associations between body mass index (BMI) and recovery are less well understood. This study investigated whether BMI status affects recovery from ankle sprains.

Methods

We included individuals16 years old with grade 1 or 2 ankle sprains who sought emergency department treatment in Kingston, Ontario, Canada. Height in centimeters and weight in kilograms were measured at baseline by using a height rod and a standard medical column scale, respectively. BMI was calculated and categorized as non-overweight,<25.0kg/m2; overweight, 25.0–29.9kg/m2; and obese,30kg/m2. Recovery was assessed at 1, 3 and 6 months post-injury by the Foot and Ankle Outcome Score (FAOS). Continuous FAOS and binary recovery status were compared by BMI group at each assessment using a repeated measures linear mixed effects model and logistic regression, respectively.

Results

In total, 504 individuals were recruited and 6-month follow-up data were collected for 80%. We observed no significant differences in recovery at 1 and 3 months post-injury. At 6 months, between 53% and 66% of the participants were considered to have recovered according to the FAOS. The mean difference in unadjusted FAOS between participants classified as obese and non-overweight was −23.02 (95% confidence interval, −38.99 to −7.05) but decreased after adjusting for confounders. The odds ratio for recovery was 0.60 (0.37–0.97) before adjustment and 0.74 (0.43–1.29) after adjustment. Six-month recovery was significantly lower for participants with obesity than non-overweight participants on the FAOS Pain and Function in Daily Living subscales but were not clinically meaningful.

Conclusions

All BMI groups showed improvements from ankle sprain over time. However, at 6 months, a sizeable proportion of the participants had not fully recovered particularly among individuals classified as obese. The findings suggest that individuals with obesity may benefit from specialized interventions focused on symptom management and functional activity.

Le texte complet de cet article est disponible en PDF.

Keywords : Body mass index, BMI, Ankle sprains, Recovery, Outcomes


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Vol 62 - N° 1

P. 8-13 - janvier 2019 Retour au numéro
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