在心力衰竭患者中风险分层和结果预测 心脏植入式电子设备 使用来自HINODE研究的机器学习分析
Keijiro Nakamura1, Kazutaka Aonuma2, Torsten Kayser3
1Division of Cardiovascular Medicine, Toho University Ohashi Medical Center Tokyo Japan.
Circulation reports
|February 12, 2026
概括
机器学习模型准确地预测了日本心力衰竭患者的心脏设备的不良结果. 这种方法增强了风险分层,并支持个性化治疗策略,以改善患者管理.
科学领域:
- 心脏病学 心脏病学
- 医疗信息学 医疗信息学
- 机器学习 机器学习
背景情况:
- 在日本老龄化人口中,心力衰竭 (HF) 的患病率正在上升.
- 在日本,与西方国家相比,植入式心脏转换器除器和心脏再同步治疗的使用率较低.
- 在HINODE研究中,前性地收集了日本心脏器械患者的数据.
研究的目的:
- 开发可解释的机器学习 (ML) 模型,以改善日本HF患者的风险分层.
- 确定不良结果的关键预测因素,包括HF住院和全因死亡率.
- 支持心脏器械心脏病患者的个性化管理策略.
主要方法:
- 利用了332名具有足够数据的HINODE参与者的数据.
- 开发了使用XGBoost进行5倍交叉验证的预测模型.
- 采用沙普利添加式解释 (SHAP) 对于特征重要性和K-means集群用于风险分层.
主要成果:
- 模型显示HF事件 (AUC 0.83) 和死亡率 (AUC 0.85) 的强差异.
- 确定的主要预测因素包括QRS持续时间,QT间隔,左心室体积和药物.
- 确定了两个不同的风险集群:低风险 (n=236) 和高风险 (n=86),事件发生率显著不同.
结论:
- 可解释的ML模型准确地预测风险,并使日本HF患者的基于表型的分层成为可能.
- 这些研究结果支持使用ML来个性化管理心脏器械的高频率心脏病患者.
- 这种方法可以帮助优化这种不断增长的患者群体的治疗策略.
更多相关视频
03:47Author Spotlight: Workflow for Integrating POCUS Data into EHR for Managing Heart Failure Patients
Published on: July 12, 2024
1.2K
04:09Predicting Treatment Response to Image-Guided Therapies Using Machine Learning: An Example for Trans-Arterial Treatment of Hepatocellular Carcinoma
Published on: October 10, 2018
8.9K
相关概念视频
Predicting Reaction Outcomes
11.0K
Kinetics describes the rate and path by which a reaction occurs. In contrast, thermodynamics deals with state functions and describes the properties, behavior, and components of a system. It is not concerned with the path taken by the process and cannot address the rate at which a reaction occurs. Although it does provide information about what can happen during a reaction process, it does not describe the detailed steps of what appears on an atomic or a molecular level. On the other hand,...
11.0K
Heart Failure II: Pathophysiology
1.0K
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...
1.0K
Pathophysiology of Heart Failure
4.0K
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...
4.0K
Heart Failure I: Introduction
951
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...
951
Heart Failure VI: Adjunct Therapies
395
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.
395
Heart Failure Drugs: Diuretics
1.0K
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...
1.0K
