Healthy Hearts via Live Videoconferencing: An Exercise and Diet Intervention in Pediatric Heart Transplant Recipients.
JOURNAL OF THE AMERICAN HEART ASSOCIATION(2020)
摘要
Background Pediatric heart transplant recipients have high-risk cardiovascular profiles that can affect their long-term outcomes; however, promoting exercise and healthy diet has not been a major focus in the field. The objective of this study was to test the feasibility and impact of a supervised exercise and diet intervention delivered via live videoconferencing in this population. Methods and Results Patients 8 to 19 years of age at least 1 year post heart transplantation were enrolled. The 12- to 16-week intervention phase included live video-supervised exercise (x3/week) and nutrition (x1/week) sessions. The 12- to 16-week maintenance phase included x1/week live video-supervised exercise and nutrition sessions and x2/week self-directed exercise sessions. Cardiac, vascular, nutritional, and functional health indices were obtained at baseline, after intervention, and after maintenance. Fourteen patients (median age, 15.2; interquartile range, 14.3-16.7 years) at a median of 3.3 (interquartile range, 1.5-9.7) years after heart transplant completed the intervention. Patients attended 89.6 +/- 11% of exercise and 88.4 +/- 10% of nutrition sessions during the intervention and 93.4 +/- 11% of exercise and 92.3 +/- 11% of nutrition sessions during maintenance. After intervention, body mass index percentile (median, -27%; P=0.02), endothelial function (median, +0.29; P=0.04), maximum oxygen consumption (median, +2 mL/kg per minute; P=0.002). Functional Movement Screening total score (median, +2.5; P=0.002) and daily consumption of saturated fat (median, -6 g; P=0.02) improved significantly. After maintenance, improvements in maximum oxygen consumption (median, +3.2 mL/kg per minute; P=0.02) and Functional Movement Screening total score (median, +5; P=0.002) were sustained. Conclusions In pediatric heart transplant recipients, a live video-supervised exercise and diet intervention is feasible. Our results demonstrate excellent adherence with significant improvements in cardiovascular and functional health.
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关键词
endothelial function,exercise,heart transplant,live videoconferencing
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