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2型糖尿病患者中心肺运动测试指数和亚临床心血管功能障碍标记之间的相互关系-观察性横截面分析
Grace W M Walters1,2, Gaurav S Gulsin1, Joseph Henson3
1Department of Cardiovascular Sciences, University of Leicester and the National Institute for Health Research (NIHR) Leicester Biomedical Research Centre, Leicester LE3 9QP, UK.
Journal of functional morphology and kinesiology
|October 24, 2025
概括
心肺运动测试 (CPET) 显示,在2型糖尿病 (T2D) 中,除了峰值氧气吸收之外的替代指数受损,并与心血管变化有关. 这些发现可能有助于识别心力衰竭风险的T2D患者.
科学领域:
- 心脏病学 心脏病学
- 运动生理学 运动生理学
- 糖尿病学 糖尿病学
背景情况:
- 峰值氧气吸收 (V.O2峰) 是运动耐受性的标准,但可能被低估.
- 替代性心肺运动测试 (CPET) 变量可能为2型糖尿病 (T2D) 提供额外的预后信息.
- 心血管结构和功能在T2D患者中经常发生变化.
研究的目的:
- 调查T2D患者是否有其他CPET运动耐受性指数受损.
- 确定这些CPET指数是否独立与心血管结构和功能标志物相关.
- 评估使用CPET的T2D患者心力衰竭进展的潜在预测因素.
主要方法:
- 患有T2D和健康对照组的参与者接受了CPET,心声图和心脏MRI.
- 采用多重线性回归分析,将CPET结果与心血管指标相关联.
- 在T2D患者和健康对照组之间比较CPET变量.
主要成果:
- 与对照组相比,在T2D组中,所有CPET结果都明显差.
- V.O2恢复,心率恢复和V.O2在通风值显示与大动脉延展性,心脏填充,左心室质量和心肌输液储备的独立关联.
- 发现了特定的关联:V.O2恢复与大动脉延伸性;心率恢复与早期填充速度和LV质量/体积比;V.O2在VT与心肌 perfusion reserve.
结论:
- 较少使用的CPET指数在T2D中受损,并与不良的心血管结构和功能变化相关.
- 这些CPET指数可能有助于识别患有症状性心力衰竭风险较高的T2D个体.
- 需要进一步的纵向研究来验证这些发现在T2D管理中的临床应用.
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