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轻度阿尔茨海默病患者踏车运动试验峰值的可靠性。

Reliability of peak treadmill exercise tests in mild Alzheimer disease.

机构信息

Department of Neurology, University of Kansas School of Medicine, Kansas City, Kansas 66160, USA.

出版信息

Int J Neurosci. 2011 Aug;121(8):450-6. doi: 10.3109/00207454.2011.574762. Epub 2011 May 17.

Abstract

INTRODUCTION

The purpose of this study was to determine the reliability of treadmill peak exercise testing in people with very mild-to-mild Alzheimer disease (AD).

METHODS

Sixteen subjects with very mild-to-mild AD performed graded peak treadmill exercise tests twice within a 14-day period. Heart rate, oxygen consumption, and respiratory exchange ratio (RER) were continuously monitored. Peak values were analyzed for absolute level of agreement.

RESULTS

Fourteen participants (87.5%) completed testing. Reliability was excellent with total peak oxygen consumption (VO2peak) (ml/kg/min) highly correlated across the two tests (r = 0.94, p < .001) with an intraclass correlation coefficient (ICC[3,1]) of 0.92 (95% confidence interval (CI) = 0.78, 0.97). The standard error of measurement (SEM) for VO2peak was 1.29 (95% CI = 0.88, 1.89).

CONCLUSIONS

These results indicate that peak exercise testing on a treadmill is reliable in the early stages of AD.

摘要

简介

本研究旨在确定在轻度至极轻度阿尔茨海默病(AD)患者中进行跑步机峰值运动测试的可靠性。

方法

16 名轻度至极轻度 AD 患者在 14 天内进行了两次分级峰值跑步机运动测试。连续监测心率、耗氧量和呼吸交换比(RER)。分析峰值的绝对一致性。

结果

14 名参与者(87.5%)完成了测试。总峰值摄氧量(VO2peak)(ml/kg/min)在两次测试中高度相关(r = 0.94,p<.001),组内相关系数(ICC[3,1])为 0.92(95%置信区间[CI] = 0.78, 0.97)。VO2peak 的测量标准误差(SEM)为 1.29(95%CI = 0.88, 1.89)。

结论

这些结果表明,在 AD 的早期阶段,跑步机上的峰值运动测试是可靠的。

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