心肺运动测试在肥胖症中的预后作用
Audrey Borghi-Silva1, Baruch Vainshelboim2, Cássia da Luz Goulart1
1Cardiopulmonary Physiotherapy Laboratory, Physiotherapy Department, Federal University of Sao Carlos, Sao Carlos, Brazil.
Diabetes, obesity & metabolism
|August 30, 2024
概括
肥胖个体心肺呼吸能力不佳与死亡风险增加有关. 关键的心肺运动测试 (CPET) 变量,如氧气吸收峰值 (pVO2) 有效地预测了这一群体的生存结果.
科学领域:
- 心脏病学 心脏病学
- 运动生理学 运动生理学
- 肥胖医学 肥胖医学
背景情况:
- 肥胖与慢性疾病风险增加有关.
- 心血管健康是整体健康和疾病预防的关键因素.
- 心肺运动测试 (CPET) 提供了对心肺功能有价值的见解.
研究的目的:
- 确定CPET的关键变量是否可以预测肥胖个体的全因死亡率.
- 为CPET变量建立最佳切割点以预测存活率.
- 调查心肺健康参数与肥胖死亡风险之间的关联.
主要方法:
- 对469名肥胖参与者 (平均年龄40±13岁) 进行CPET的分析.
- 使用接收器运行特征分析来确定最佳的CPET变量值.
- 雇佣卡普兰-梅尔和考克斯回归分析来评估CPET变量与全因死亡率之间的关系.
主要成果:
- 46例死亡发生在平均随访时间为69 ± 48个月 (年死亡率为2%).
- 生存预测的最佳值包括氧气吸收峰值 (pVO2) ≤16 mL/kg/min,VE/VCO2斜率≥31,通风功率≤5.8 mmHg,循环功率≤2980 mmHg/mL O2/min.
- 一个pVO2≤16mL/kg/min与20倍增加的死亡风险相关;男性的死亡率高于女性.
结论:
- 低pVO2,通风效率和功率指数表明,心肺呼吸能力较差,与肥胖患者全因死亡率的增加密切相关.
- CPET变量是肥胖个体预后的重要预测因素.
- 这些发现强调了评估肥胖管理中的心肺健康的重要性.
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