Heart Rate Reduction after Effort Test Is Higher in Physically Active Adults without Familial Cardiovascular Risk Factor.

Larissa de Almeida Dourado, Paulo Magno Martins Dourado, Jaciara Gomes de Oliveira, Evandra Maria da Silva, João Paulo de Almeida Dourado, Pedro Gabriel Senger Braga
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Abstract

The objective of this study is to investigate the influence of physical activity on heart rate (HR) recovery, after treadmill exercise testing, in asymptomatic adults, with and without familial risk factors (FR) for cardiovascular disease. Two hundred and fifty (250) adults of both sexes aged 18 to 59 years were included in the study. None of the participants had a history of cardiovascular disease or used medications for chronic diseases. All individuals underwent exercise testing using the Ellestad protocol. Delta values were calculated by subtracting peak HR from HR in the first, second, fourth, and sixth minutes of recovery. The family history of cardiovascular disease and physical activity were documented. For statistical analysis, ANOVA was performed, followed by Bonferroni or Kruskall-Wallis multiple comparisons, followed by Dunn's multiple comparisons. The delta values at the first, second, fourth, and sixth minutes of recovery were lower in individuals who did not engage in physical activity and had no family cardiovascular risk factor, compared to those who were physically active and had no family risk factor. No differences in delta values were observed between physically active individuals with cardiovascular risk factors and physically inactive individuals with a family history at the time points studied. In individuals without a family risk factor, physical activity appears to enhance autonomic control, increasing the capacity to reduce HR after exercise. However, this effect was not evident in those with a family risk factor, as physical activity did not impact recovery HR.

无家族性心血管风险因素的体育锻炼成年人在进行努力测试后心率降低率更高。
本研究的目的是调查无症状成人,有无心血管疾病家族危险因素(FR),在跑步机运动试验后,体力活动对心率(HR)恢复的影响。250名年龄在18岁到59岁之间的男女成年人被纳入了这项研究。所有参与者都没有心血管疾病史,也没有使用过治疗慢性疾病的药物。所有个体均采用Ellestad方案进行运动测试。Delta值是通过从恢复的第一、第二、第四和第六分钟的HR中减去峰值HR来计算的。记录了心血管疾病和身体活动的家族史。统计分析采用方差分析,其次采用Bonferroni或Kruskall-Wallis多重比较,其次采用Dunn多重比较。在恢复的第一、第二、第四和第六分钟,不参加体育锻炼且没有家族心血管危险因素的个体的δ值低于那些参加体育锻炼且没有家族心血管危险因素的个体。在研究的时间点上,有心血管危险因素的体力活动个体和有家族史的体力活动个体之间的δ值没有差异。在没有家庭危险因素的个体中,体育活动似乎可以增强自主控制,增加运动后降低HR的能力。然而,这种影响在那些有家庭风险因素的人中并不明显,因为体育活动并不影响恢复HR。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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