Letters Section Editor: Jody W. Zylke, MD, Senior Editor.
Author Affiliations: Center of Clinical Research, University of Camerino, Camerino, Italy (firstname.lastname@example.org).
To the Editor: The article by Dr Blumenthal and colleagues1 regarding the effects of physical exercise on symptoms of depression in patients with chronic heart failure followed previous reports from the Heart Failure-A Controlled Trial Investigating Outcomes of Exercise Training (HF-ACTION) Investigators.2,3 The primary aim of the multicenter, randomized controlled trial was to evaluate the efficacy and safety of physical exercise performed by patients with chronic heart disease.2
Sossai P, Sponga B. Physical Activity to Combat Depression in Chronic Heart Failure. JAMA. 2012;308(17):1738–1739. doi:10.1001/jama.2012.14095
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