利用可解释的机器学习模型来预测心力衰竭中适度至重度阻塞性睡眠呼吸暂停的情况:一种并发症前景
Qiang Sun1, Yanan Xu2, Wuping Tan3
1Department of Cardiology; The First Affiliated Hospital of Bengbu Medical University, Bengbu, Anhui, China.
International journal of cardiology
|January 28, 2026
概括
阻塞性睡眠呼吸暂停 (OSA) 在心力衰竭中常见,具有保存的喷射分数 (HFpEF). 随机森林 (RF) 模型准确地预测HFpEF患者中度至重度的OSA,有助于早期诊断和管理.
科学领域:
- 心脏病学 心脏病学
- 睡眠医学 睡眠医学
- 医疗保健中的人工智能
背景情况:
- 阻塞性睡眠呼吸暂停 (OSA) 经常伴随着心力衰竭与保留喷射分数 (HFpEF) 的同时发生,使患者的预后恶化.
- 在HFpEF患者中准确识别OSA对于有效管理并发症至关重要.
研究的目的:
- 开发和验证HFpEF患者中度至重度OSA的预测模型.
- 为了比较各种机器学习模型在预测该患者群体内的OSA方面的表现.
主要方法:
- 一项多中心的观察性研究包括1140名高高度度患者,分为培训和内部验证队列.
- 为了进一步验证,使用了717名参与者的外部队列.
- 包括随机森林 (RF) 在内的六个机器学习模型被评估了预测性能.
主要成果:
- 射频模型在HFpEF患者中预测中度至重度OSA方面表现优异.
- 射频模型在接收器操作特征曲线下的面积在内部队列中达到0.974,在外部队列中达到0.910.
- SHAP分析确定了对OSA预测有贡献的关键变量,决策曲线分析证实了该模型的临床实用性.
结论:
- 开发的射频模型准确地预测HFpEF患者中度至重度的OSA.
- 该模型为在这个脆弱人群中早期诊断和管理OSA提供了有价值的工具.
相关概念视频
Sleep Apnea
549
Sleep apnea is a condition where breathing stops intermittently during sleep, often leading to significant health issues. Each episode can last from 10 to 20 seconds or more and is frequently accompanied by a brief arousal from sleep. This disturbance, largely unnoticed by the individual, can lead to severe daytime fatigue. Commonly, individuals seek help after being informed by their partners about loud snoring and noticeable breathing pauses during sleep.
The condition is more prevalent among...
The condition is more prevalent among...
549
Heart Failure II: Pathophysiology
894
Systolic Heart Failure and Compensatory MechanismsSystolic heart failure (also termed HFrEF, Heart Failure with Reduced Ejection Fraction) is the most prevalent type of heart filure. It results in a decreased volume of blood being pumped from the ventricle. The aortic arch and carotid sinuses have baroreceptors that detect reduced blood pressure, triggering the sympathetic nervous system (SNS) to release epinephrine and norepinephrine. Initially, this response aims to boost heart rate and...
894
Pathophysiology of Heart Failure
3.5K
Heart failure (HF) is a progressive syndrome involving ventricles that leads to inadequate cardiac output. It can be classified based on location and output or ejection fraction. Ejection fraction (EF) is an essential measurement in the diagnosis and surveillance of HF. Reduced EF corresponds to systolic heart failure (HFrEF). However, HF with preserved ejection fraction (HFpEF) is becoming increasingly prevalent. Also known as diastolic HF, this form of HF is related to aging. The...
3.5K
Heart Failure I: Introduction
865
Heart failure refers to a clinical syndrome caused by structural or functional cardiac disorders that prevent the heart from pumping an adequate amount of blood to meet the body's metabolic needs. This condition often arises from myocardial infarction or ischemia, leading to decreased cardiac output, reduced tissue perfusion, impaired gas exchange, fluid volume imbalance, and decreased functional ability.Heart failure can result from disruptions in the mechanisms that regulate cardiac output...
865
Heart Failure VI: Adjunct Therapies
329
Additional therapies for treating patients with heart failure (HF) may include procedural interventions, supplemental oxygen, the management of sleep disorders, and nutritional therapy.Procedural InterventionsImplantable Cardioverter-Defibrillator: For patients at risk of life-threatening arrhythmias due to severe left ventricular dysfunction, an Implantable Cardioverter-Defibrillator (ICD) can detect and terminate these arrhythmias, preventing sudden cardiac death and improving survival rates.
329
Heart Failure Drugs: Diuretics
963
Heart failure and kidney perfusion are interconnected in a complex way. Reduced renal perfusion and venous congestion are two significant factors that contribute to renal dysfunction in heart failure. The kidneys, primarily responsible for fluid balance in the body, are adversely affected due to compromised cardiac output and increased venous pressure. In response to reduced renal perfusion, the kidneys activate neurohumoral mechanisms to restore balance. However, these mechanisms can be...
963


