Individualised exercise improves endothelial function in patients with rheumatoid arthritis

Background We investigated the effects of individualised combined resistance and aerobic exercise on microvascular and macrovascular function in rheumatoid arthritis (RA) patients. Methods Forty age-matched, gender-matched and body mass index (BMI)-matched patients were allocated to either an exerci...

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Bibliographic Details
Published in:Annals of the Rheumatic Diseases
Main Authors: Metsios, George S, Stavropoulos-Kalinoglou, Antonios, Veldhuijzen van Zanten, Jet JCS, Nightingale, Peter, Sandoo, Aamer, Dimitroulas, Theodoros, Kitas, George D, Koutedakis, Yiannis
Format: Text
Language:English
Published: BMJ Publishing Group Ltd 2014
Subjects:
Clinical and epidemiological research
GTN-P
Online Access:http://ard.bmj.com/cgi/content/short/73/4/748
https://doi.org/10.1136/annrheumdis-2013-203291
Description
Summary:Background We investigated the effects of individualised combined resistance and aerobic exercise on microvascular and macrovascular function in rheumatoid arthritis (RA) patients. Methods Forty age-matched, gender-matched and body mass index (BMI)-matched patients were allocated to either an exercise group, receiving a 6&emsp14;months tailored aerobic and resistance exercise intervention, or controls receiving only information about the benefits of exercise. Participants were assessed for microvascular (acetylcholine (Ach) and sodium nitroprusside (SNP)) and macrovascular (flow-mediated dilatation (FMD) and glyceryl trinitrate (GTN)) endothelial function, maximal oxygen uptake, disease activity and severity (C-reactive protein (CRP), disease activity score 28 and health assessment questionnaire). Data were collected at baseline, 3&emsp14;months and at the end of the intervention (6&emsp14;months). Results At baseline, demographic, anthropometric, disease-related characteristics and endothelial function parameters were similar between the exercise and control groups (p>0.05). Repeated measures analysis of variance revealed a significant improvement in endothelial function parameters at 3 (GTN: p<0.001) or 6&emsp14;months (Ach: p=0.016, SNP: p=0.045, FMD: p=0.016) in the exercise but not in the control group. Generalised estimated equations detected that maximal oxygen uptake was a strong predictor for the observed changes in Ach (p=0.009) and GTN (p<0.001) whereas logCRP for SNP (p=0.017) and GTN (p=0.008). Conclusions An exercise programme designed to meet individual needs and physical abilities significantly improves microvascular and macrovascular function in parallel with disease-related characteristics in RA patients. The potential long-term beneficial effects of such interventions at reducing cardiovascular risk in these patients merit further exploration. Clinical Trial Registration ISRCTN50861407.

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