睡眠呼吸障碍对心肌梗塞后运动能力的影响 - - 一项横截面研究
Danuta Loboda1, Michalina Stepanik2, Jacek Durmala2
1Department of Electrocardiology and Heart Failure, Medical University of Silesia in Katowice, 40-635 Katowice, Poland.
睡眠呼吸障碍 (SDB) 在心肌梗塞 (MI) 后对运动能力产生负面影响. 然而,年龄,性别,BMI和LVEF等因素是MI后运动能力降低的更强的独立预测因素.
科学领域:
- 心脏病学 心脏病学
- 睡眠医学 睡眠医学
- 运动生理学 运动生理学
背景情况:
- 运动能力是心肌梗塞 (MI) 后心血管风险的关键指标.
- 睡眠呼吸障碍 (SDB) 越来越多地被认为是影响心血管健康的并发症.
- SDB与MI后运动能力之间的关系需要进一步阐明.
研究的目的:
- 研究睡眠呼吸障碍 (SDB) 对心肌梗塞 (MI) 后患者的运动能力的影响.
- 确定后MI人口中运动能力受损的独立预测因素.
主要方法:
- 评估了254名心脏病发作后接受心脏康复治疗的患者队列.
- 睡眠呼吸障碍 (SDB) 的严重程度使用家庭睡眠呼吸暂停测试 (HSAT) 进行评估.
- 运动能力通过跑步机运动压力测试 (EST) 和6分钟步行测试 (6MWT) 来测量.
主要成果:
- 在SDB严重程度 (例如呼吸事件指数) 和运动能力指标 (METs,MHR,6MWT距离) 之间观察到显著的负相关性.
- 睡眠期间较低的氧和与减小的运动能力有关.
- 然而,多变量分析确定了年龄,女性性别,更高的BMI和降低的LVEF作为运动能力受损的独立风险因素,而不是SDB参数.
结论:
- 睡眠呼吸障碍 (SDB) 与心肌梗塞 (MI) 后患者的运动能力降低有关.
- 由于其他已确定的风险因素,SDB对运动能力的影响可能会减弱.
- 年龄,性别,BMI和LVEF是MI后运动能力的重要独立预测因素.
更多相关视频
08:35Oxygenation-sensitive Cardiac MRI with Vasoactive Breathing Maneuvers for the Non-invasive Assessment of Coronary Microvascular Dysfunction
Published on: August 17, 2022
04:20Integration of Brain Tissue Saturation Monitoring in Cardiopulmonary Exercise Testing in Patients with Heart Failure
Published on: October 1, 2019
相关概念视频
Exercise and Cardiovascular Response
Light to moderate physical activity initiates a series of interconnected responses in the body. The heart rate modestly increases in anticipation of the workout, followed by widespread vasodilation as oxygen consumption by skeletal muscles increases. This results in decreased peripheral resistance, increased capillary blood flow, and accelerated...
Sleep Apnea
The condition is more prevalent among...
Exercise and Cardiac Output
Sustained exercise increases the muscles' oxygen demand, which can be...
Imbalances in Cardiac Output
CHF can occur due to the failure of either side of the heart. Left-side failure leads to pulmonary congestion—the right side continues to send...
Pathophysiology of Cardiac Performance
Cardiac Output II: Effect of Stroke Volume on Cardiac Output
Preload
Preload refers to the initial elongation of the cardiac myocytes before contraction and is related to the volume of blood filling the heart at the end of diastole, or end-diastolic volume. The...
