The Effect of Overweight/Obesity on Cardiovascular Responses to Acute Psychological Stress in Men Aged 50-70 Years

被引：14

作者：

Torres, Susan J. ^{[1
]}

Turner, Anne I. ^{[1
]}

Jayasinghe, Sisitha U. ^{[1
]}

Reynolds, John ^{[2
]}

Nowson, Caryl A. ^{[1
]}

机构：

[1] Deakin Univ, Sch Exercise & Nutr Sci, Ctr Phys Act & Nutr Res, Burwood, Vic 3125, Australia

[2] Deakin Univ, Fac Hlth, Biostat Unit, Burwood, Vic 3125, Australia

来源：

OBESITY FACTS | 2014年 / 7卷 / 06期

关键词：

Stress; Blood pressure; Obesity; Adults; BLOOD-PRESSURE VARIABILITY; CENTRAL ADIPOSITY; RISK-FACTOR; BODY-MASS; OBESITY; RECOVERY; REACTIVITY; MORTALITY; FINOMETER;

D O I：

10.1159/000369854

中图分类号：

R5 [内科学];

学科分类号：

1002 ; 100201 ;

摘要：

Background: To determine the effect of adiposity in males aged 50-70 years on cardiovascular responses to acute psychological stress. Methods: Lean (BMI 20-25 kg/m(2)) (n = 21) and overweight/obese (BMI 27-35 kg/m(2)) (n = 21) men aged 50-70 years were subjected to psychological stress. Systolic blood pressure, diastolic blood pressure, heart rate, total peripheral resistance, and cardiac output were measured by a Finometer during resting (60 min), stress (30 min), and recovery (90 min). Results: The lean group had a significantly higher SBP stress reactivity when compared to the overweight/obese group (51.5 +/- 3.7% vs. 41.0 +/- 2.9% (mean +/- SEM); p < 0.05). A significant effect of time was observed for systolic blood pressure, diastolic blood pressure, heart rate, total peripheral resistance, and cardiac output (p < 0.0001 for all). There were significant time x body type interactions for systolic blood pressure, diastolic blood pressure, heart rate, total peripheral resistance, and cardiac output (p < 0.05 for all). Total peripheral resistance during recovery was higher in the lean compared to the over group (p < 0.05). In the lean group, systolic and diastolic blood pressure variability remained elevated after stress (p < 0.05) but returned to resting levels in the overweight/obese group (p > 0.05). Conclusion: Moderate adiposity in men was associated with reduced systolic blood pressure % reactivity, total peripheral resistance, and blood pressure variability after psychological stress. Overweight/obese men appear to be at no greater risk of unfavorable cardiovascular responses to stress. (C) 2014 S Karger GmbH, Freiburg

引用

页码：339 / 350

页数：12