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Longitudinal Patterns of Cardiorespiratory Fitness Predict the Development of Hypertension Among Men and Women.

ABSTRACT: Most of the existing literature has linked a baseline cardiorespiratory fitness or change between baseline and one follow-up measurement of cardiorespiratory fitness to hypertension. The purpose of the study is to assess the association between longitudinal patterns of cardiorespiratory fitness changes with time and incident hypertension in adult men and women.Participants were aged 20 to 82 years, were free of hypertension during the first 3 examinations, and received at least 4 preventive medical examinations at the Cooper Clinic in Dallas, Texas, from 1971 to 2006. They were classified into 1 of 5 groups based on all of the measured cardiorespiratory fitness values (in metabolic equivalents) during maximal treadmill tests. Logistic regression was used to compute odds ratios and 95% confidence intervals.Among 4932 participants (13% women), 1954 developed hypertension. After controlling for baseline potential confounders, follow-up duration, and number of follow-up visits, odds ratios (95% confidence intervals) for hypertension were 1.00 for the decreasing group (referent), 0.64 (0.52-0.80) for the increasing group, 0.89 (0.70-1.12) for the bell-shape group, 0.78 (0.62-0.98) for the U-shape group, and 0.83 (0.69-1.00) for the inconsistent group. The general pattern of the association was consistent regardless of participants' baseline cardiorespiratory fitness or body mass index levels.An increasing pattern of cardiorespiratory fitness provides the lowest risk of hypertension in this middle-aged relatively healthy population. Identifying specific pattern(s) of cardiorespiratory fitness change may be important for determining associations with comorbidity, such as hypertension.

SUBMITTER: Sui X

PROVIDER: S-EPMC5362290 | biostudies-literature | 2017 Apr

REPOSITORIES: biostudies-literature

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Longitudinal Patterns of Cardiorespiratory Fitness Predict the Development of Hypertension Among Men and Women.

Sui Xuemei X Sarzynski Mark A MA Lee Duck-Chul DC Lavie Carl J CJ Zhang Jiajia J Kokkinos Peter F PF Payne Jonathan J Blair Steven N SN

The American journal of medicine 20161213 4

<h4>Background</h4>Most of the existing literature has linked a baseline cardiorespiratory fitness or change between baseline and one follow-up measurement of cardiorespiratory fitness to hypertension. The purpose of the study is to assess the association between longitudinal patterns of cardiorespiratory fitness changes with time and incident hypertension in adult men and women.<h4>Methods</h4>Participants were aged 20 to 82 years, were free of hypertension during the first 3 examinations, and ...[more]

PMID: 27986522

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Project description:Background and aimsA strong cardiorespiratory fitness is suggested to have beneficial effects on cardiovascular risk; the exact mechanisms underlying the cardioprotective effects of fitness remain uncertain. Our aim was to investigate associations between cardiorespiratory fitness and multiple plasma proteins, in order to obtain insights about physiological pathways associated with the effects of exercise on cardiovascular health.MethodsIn the Prospective investigation of Obesity, Energy and Metabolism (POEM) study (n=444 adults aged 50 years, 50% women), cardiorespiratory fitness was measured by a maximal exercise test on bicycle ergometer with gas exchange (VO2peak) normalized for body lean mass (dual-energy X-ray absorptiometry (DXA)). We measured 82 cardiovascular proteins associated with cardiovascular pathology and inflammation in plasma samples with a proximity extension assay.ResultsIn sex-adjusted linear regression, VO2peak was associated with 18 proteins after Bonferroni correction for multiple testing (p<0.0006). Following additional adjustment for fat mass (DXA), fasting glucose (mmol/L), low-density lipoprotein (LDL, mmol/L), smoking status, waist/hip ratio, blood pressure (mmHg), education level, and lpnr (lab sequence number), higher VO2peak was significantly associated with lower levels of 6 proteins: fatty-acid binding protein-4 (FABP4), interleukin-6 (IL-6), leptin, cystatin-B (CSTB), interleukin-1 receptor antagonist (IL-1RA), and growth differentiation factor 15 (GDF-15), and higher levels of 3 proteins: galanin, kallikrein-6 (KLK6), and heparin-binding EGF-like growth factor (HB-EGF), at nominal p-values (p<0.05).ConclusionsWe identified multiple novel associations between cardiorespiratory fitness and plasma proteins involved in several atherosclerotic processes and key cellular mechanisms such as inflammation, energy homeostasis, and protease activity, which shed new light on how exercise asserts its beneficial effects on cardiovascular health. Our findings encourage additional studies in order to understand the underlying causal mechanisms for these associations.

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Longitudinal Patterns of Cardiorespiratory Fitness Predict the Development of Hypertension Among Men and Women.

Publications

Longitudinal Patterns of Cardiorespiratory Fitness Predict the Development of Hypertension Among Men and Women.

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