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Impact of exercise-based cardiac rehabilitation in patients with heart failure (ExTraMATCH II) on mortality and hospitalisation: an individual pati…

A new interesting article has been published in Eur J Heart Fail. 2018 Sep 26. doi: 10.1002/ejhf.1311. and titled:

Impact of exercise-based cardiac rehabilitation in patients with heart failure (ExTraMATCH II) on mortality and hospitalisation: an individual pati…

Authors of this article are:
Taylor RS Walker S Smart NA Piepoli MF Warren FC Ciani O O’Connor C Whellan D Keteyian SJ Coats A Davos CH Dalal HM Dracup K0 Evangelista L Jolly K Myers J McKelvie RS Nilsson BB Passino C Witham MD Yeh GY Zwisler AO; ExTraMATCH II Collaboration.

A summary of the article is shown below:
AIMS: To undertake an individual patient data (IPD) meta-analysis to assess the impact of exercise-based cardiac rehabilitation (ExCR) in patients with heart failure (HF) on mortality and hospitalisation, and differential effects of ExCR according to patient characteristics: age, sex, ethnicity, New York Heart Association functional class, ischaemic aetiology, ejection fraction, and exercise capacity.METHODS AND RESULTS: Randomised trials of exercise training for at least 3 weeks compared with no exercise control with 6-month follow-up or longer, providing IPD time to event on mortality or hospitalisation (all-cause or HF-specific). IPD were combined into a single dataset. We used Cox proportional hazards models to investigate the effect of ExCR and the interactions between ExCR and participant characteristics. We used both two-stage random effects and one-stage fixed effect models. IPD were obtained from 18 trials including 3912 patients with HF with reduced ejection fraction. Compared to control, there was no statistically significant difference in pooled time to event estimates in favour of ExCR although confidence intervals (CIs) were wide [all-cause mortality: hazard ratio (HR) 0.83, 95% CI 0.67-1.04; HF-specific mortality: HR 0.84, 95% CI 0.49-1.46; all-cause hospitalisation: HR 0.90, 95% CI 0.76-1.06; and HF-specific hospitalisation: HR 0.98, 95% CI 0.72-1.35]. No strong evidence was found of differential intervention effects across patient characteristics.CONCLUSION: Exercise-based cardiac rehabilitation did not have a significant effect on the risk of mortality and hospitalisation in HF with reduced ejection fraction. However, uncertainty around effect estimates precludes drawing definitive conclusions.© 2018 The Authors. European Journal of Heart Failure © 2018 European Society of Cardiology.

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This article is a good source of information and a good way to become familiar with topics such as: Cardiac rehabilitation;Exercise training;Meta-analysis;Systematic review.

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