The effect of vitamin D therapy in the improvement of cardiac performance and exercise capacity in patients with heart failure: A double-blind, randomized, placebo-controlled trial

سال انتشار: 1400
نوع سند: مقاله ژورنالی
زبان: انگلیسی
مشاهده: 115

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شناسه ملی سند علمی:

JR_RYA-17-1_018

تاریخ نمایه سازی: 2 شهریور 1401

چکیده مقاله:

BACKGROUND: Low vitamin D status may contribute to the pathogenesis of heart failure (HF), but therapeutic roles of vitamin D on cardiac performance are not well known. We evaluated vitamin D effects on left ventricular ejection fraction (LVEF) and New York Heart Association (NYHA) functional class in patients with HF for the first time.METHODS: This study was a double-blind, randomized, placebo-controlled trial. ۱۱۰ patients with HF admitted to Shahid Chamran and Khorshid Hospitals, Isfahan, Iran, randomly received ۵۰۰ mg calcium daily plus either ۵۰۰۰۰ IU vitamin D۳ per week (case group) or placebo (control group) for ۶ months. Biochemical variables, LVEF, and NYHA functional class were assessed at baseline and after ۶ months.RESULTS: ۸۱ patients completed the study. Vitamin D supplementation increased mean serum ۲۵-hydroxyvitamin D [۲۵(OH)D] concentration in the case group by ۳۳.۹ ng/ml (P < ۰.۰۰۱). After ۶ months of treatment, both groups showed improvement in LVEF, but the extent of improvement was significant only in the case group (۵.۴۸% versus ۰.۴۴%, P < ۰.۰۰۱). The NYHA functional class improved in the case group but remained constant in the control group (P < ۰.۰۰۱).CONCLUSION: Vitamin D۳ improved LVEF and NYHA functional class in patients with HF and might serve as a new agent for the future treatment of this disease. 

نویسندگان

Mohammad Garakyaraghi

Professor, Herat Failure Research Center, Cardiovascular Research Institute, Isfahan University of Medical Sciences, Isfahan, Iran

Mansour Siavash

Professor, Isfahan Endocrine and Metabolism Research Center, Isfahan University of Medical Sciences, Isfahan, Iran

Maryam Kerdegari

Cardiologist, Cardiac Rehabilitation Research Center, Cardiovascular Research Institute, Isfahan University of Medical Sciences, Isfahan, Iran

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