Increases in Heart Sound Intensity following Respiratory Events are Positively Correlated with Drops in Oxygen Saturation during the Events

原理：阻塞性睡眠呼吸暂停（OSA）患者，咽部气道关闭引起的间歇性缺氧（呼吸暂停或低通气）导致交感神经活动增加。这些增加被认为会导致高血压和糖尿病

Rationale: In patients with obstructive sleep apnea (OSA), intermittent hypoxia caused by closure of the pharyngeal airway (apnea or hypopnea) leads to increases in the sympathetic nervous activity. These increases are suggested to lead to hypertension an