Improved percent-predicted peak VO 2 is associated with lower risk of hospitalization in patients with coronary heart disease. Analysis from the FRIEND registry

Normal standards for peak oxygen consumption (VO peak) are controversial because they tend to be population and protocol specific. This study was undertaken to examine the association between percentage of age-predicted VO peak and all-cause hospital readmission in cardiac outpatients who were refer...

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Bibliographic Details
Published in:International journal of cardiology 2020-07, Vol.310, p.138
Main Authors: Chiaranda, G, Myers, J, Arena, R, Kaminsky, L, Sassone, B, Pasanisi, G, Mandini, S, Pizzolato, M, Franchi, M, Napoli, N, Guerzoni, F, Caruso, L, Mazzoni, G, Grazzi, G
Format: Article
Language:English
Subjects:
Coronary Disease - diagnosis
Coronary Disease - epidemiology
Exercise Test
Humans
Male
Oxygen Consumption
Registries
Walking
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Summary:Normal standards for peak oxygen consumption (VO peak) are controversial because they tend to be population and protocol specific. This study was undertaken to examine the association between percentage of age-predicted VO peak and all-cause hospital readmission in cardiac outpatients who were referred to an exercise-based secondary prevention program. Hospital readmission was assessed in 1283 male patients with coronary heart disease (CHD) three years after enrolment, and related to the age-predicted VO peak derived from the Fitness Registry and the Importance of Exercise: A National Data Base equation (FRIEND ). VO peak was estimated using a moderate perceptually regulated 1-km treadmill-walking test. Readmission was also assessed during the fourth-to-sixth years as function of improvement in FRIEND in 845 patients who were re-evaluated 3 years after baseline. During the 3-years after baseline, readmission rate was lower across increasing tertiles of FRIEND . Compared to the lowest tertile, the adjusted hazard ratios (HRs) for the second and third tertile were 0.98 (95% CI 0.76-1.27, p = 0.90) and 0.71 (0.53-0.95, p = 0.002). The rate of readmission from the fourth-to-sixth years after baseline was lower across tertiles of improved FRIEND , with adjusted HRs 0.78 (0.60-1.03, p = 0.08) and 0.58 (0.42-0.75, p 
ISSN:1874-1754