使用机器学习来预测急性冠状动脉综合征的不良事件:一项回顾性研究
Long Song1, Yuan Li2, Shanshan Nie3
1Department of Cardiovascular Surgery, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China.
Clinical cardiology
|September 1, 2023
概括
线性差异分析 (LDA) 有效预测PCI后急性冠状动脉综合征 (ACS) 患者的急性损伤和心肌梗塞等不良事件,改善患者的治疗结果.
科学领域:
- 心脏病学 心脏病学
- 医疗信息学 医疗信息学
- 医疗保健中的机器学习
背景情况:
- 急性冠状动脉综合征 (ACS) 具有显著的死亡风险,高达30%的患者经历了功能衰竭和心肌梗塞 (MI) 等不良事件.
- 准确的预后对于改善患者的治疗结果和指导临床管理策略至关重要.
研究的目的:
- 评估各种机器学习 (ML) 模型在预测ACS患者不良事件中的有效性.
- 确定最佳的ML模型来预测急性损伤 (AKI),住院MI和1年全因死亡率.
主要方法:
- 在1年的随访期间,分析了5240名接受皮肤冠状动脉干预 (PCI) 的ACS患者队列.
- 八个ML模型,包括支持向量机,极端梯度增强和线性差异分析 (LDA),使用10倍交叉验证开发和验证.
- 使用XGBoost根据Shapley添加式扩展得分进行特征选择,并使用AUC,F1得分,精度和精度/回忆曲线评估模型性能.
主要成果:
- 与其他ML模型相比,线性差异分析 (LDA) 模型表现出卓越的性能.
- 为了预测1年全因死亡率,LDA实现了0.83的AUC,准确度为0.85,F1得分为0.90.
- 此外,LDA模型对AKI和MI具有良好的预测能力,AUC为0.74.
结论:
- 使用现有医院患者数据的LDA模型显示,在ACS患者中,在PCI后一年内预测不良事件和死亡率具有显著的潜力.
- 这种预测能力可以帮助临床医生进行风险分层和个性化治疗规划.
更多相关视频
07:31Implementation of a Real-Time Psychosis Risk Detection and Alerting System Based on Electronic Health Records using CogStack
Published on: May 15, 2020
7.1K
07:25Predicting Amputation using Local Circulating Mononuclear Progenitor Cells in Angioplasty-treated Patients with Critical Limb Ischemia
Published on: September 22, 2020
3.5K
相关概念视频
01:30Acute Coronary Syndrome III: Diagnostic Studies
10
Diagnosing acute coronary syndrome or ACS begins with a thorough patient history. Notable symptoms include central, crushing chest pain radiating to the left arm, neck, jaw, or back, along with shortness of breath, sweating (diaphoresis), nausea, vomiting, dizziness, and palpitations.It is crucial to note any history of cardiac illnesses and assess risk factors, including age, gender, smoking, hypertension, diabetes, hyperlipidemia, and a sedentary lifestyle.During physical examination, vital...
10
01:30Acute Coronary Syndrome I: Introduction
30
Acute Coronary Syndrome (ACS) encompasses a spectrum of heart conditions caused by sudden obstruction of coronary arteries, typically resulting from the rupture of an atherosclerotic plaque and subsequent thrombus (blood clot) formation. This obstruction can lead to partial or complete blockage of blood flow, causing varying degrees of myocardial ischemia or infarction.ACS includes the following clinical entities:Unstable Angina (UA)Non-ST-Elevation Myocardial Infarction (NSTEMI)ST-Elevation...
30
01:19Acute Coronary Syndrome II: Pathophysiology and Clinical Manifestations
20
The pathophysiology of Acute Coronary Syndrome [ACD] involves several key processes:The main underlying cause of ACD is atherosclerosis, a chronic inflammatory disease characterized by the buildup of lipid-laden plaques within the coronary arteries.As the atherosclerotic plaque grows in the coronary artery, it may become unstable due to the formation of a lipid-rich core and a thin fibrous cap. Inflammatory cells within the plaque, such as macrophages, secrete enzymes that degrade the...
20
01:26Acute Coronary Syndrome V: Nursing Management
16
Nursing Assessment:Nursing management of acute coronary syndrome (ACS) involves taking the patient's history, focusing on primary complaints such as chest pain, dyspnea, and excessive sweating (diaphoresis), as well as other symptoms like back or jaw pain, nausea, vomiting, palpitations, dizziness, and fatigue. The nurse also reviews the patient's history of cardiac events, risk factors such as hypertension, diabetes, smoking, family history, and current medications.In the objective assessment,...
16
01:28Acute Coronary Syndrome IV: Interprofessional Care
12
IntroductionThe management of Acute Coronary Syndrome (ACS) aims to minimize myocardial damage, preserve myocardial function, and prevent complications.Initial ManagementInpatient management involves continuous cardiac monitoring, preferably in an ICU, focusing on blood pressure, serum sodium, potassium, and creatinine levels, and urine output. Ongoing pharmacologic management is crucial for stabilizing the patient.Supplemental Oxygen: Administer supplemental oxygen if oxygen saturation is...
12
01:30Coronary Artery Disease I: Introduction
20
Coronary Artery Disease (CAD): An Overview with Scientific InsightsCoronary Artery Disease (CAD), often referred to as C-A-D, is a prevalent blood vessel disorder classified under the broader category of atherosclerosis. Atherosclerosis is a pathological process characterized by the hardening and narrowing of arteries due to the accumulation of atherosclerotic plaques. These plaques are composed of cholesterol, fatty substances, inflammatory cells, calcium, and fibrin, reducing blood flow to...
20