美国心脏协会的外部验证 预防心血管疾病 风险方程
Britton Scheuermann1, Alexandra Brown2, Trenton Colburn3
1College of Health and Human Sciences, Kansas State University, Manhattan.
JAMA network open
|October 11, 2024
概括
美国心脏协会 美国心脏协会
科学领域:
- 心血管疾病流行病学
- 风险预测建模风险预测建模
- 公共卫生监督 公共卫生监督
背景情况:
- 心血管疾病 (CVD) 风险评估对于治疗启动和患者沟通至关重要.
- 以前的风险评估工具需要更新以提高准确性.
- 美国心脏协会开发了PREVENT方程,以提高心血管疾病风险预测.
研究的目的:
- 评估PREVENT方程的预测能力,校准和区分.
- 在一个代表性的美国普通人口样本中评估PREVENT方程的性能.
- 将PREVENT方程与现有的聚合队列方程 (PCE) 进行比较.
主要方法:
- 利用了1999-2010年国家健康和营养检查调查 (NHANES) 的数据.
- 包括10年随访数据的成年参与者.
- 通过使用接收者-运营商特征曲线和通过预测与观察到的风险斜率进行校准来评估模型歧视.
主要成果:
- 预先的风险估计显示,与心血管疾病死亡率的增加有显著的关联.
- 在PREVENT方程中,差别很好 (C统计,0.890),但适度不足.
- 根据净重新分类指数,PREVENT模型的表现优于PCE.
结论:
- 在心血管疾病风险预测方面,PREVENT方程表现出极好的歧视性.
- 适度的校准差异表明可能需要改进.
- 这些发现支持使用PREVENT方程,正如美国心脏协会的意图.
相关概念视频
Assessment of blood pressure in brachial artery(two-step method)
659
Measuring blood pressure is a fundamental skill in healthcare that aids in diagnosing and monitoring hypertension and other cardiovascular conditions. An aneroid sphygmomanometer, commonly used in clinical settings, offers a manual and precise method for blood pressure measurement. The technique for using this instrument involves specific steps that must be carefully executed to ensure accuracy. The following detailed description outlines a two-step technique for assessing blood pressure using...
659
Pre-Procedural Guidelines for Assessing Blood Pressure
522
Accurate blood pressure assessment is crucial for diagnosing and managing various health conditions. To ensure the reliability of these measurements, healthcare professionals must adhere to standardized pre-procedural guidelines. These guidelines enhance patient safety and improve the overall quality of healthcare. The following steps are essential for obtaining accurate and consistent blood pressure readings, from using the appropriate tools to ensuring effective communication with the...
522
Assessment of the Cardiovascular System I: Subjective Data
282
A thorough health history and physical assessment are essential for identifying cardiovascular disease (CVD) symptoms and distinguishing them from other health issues.
Initial Enquiry
Ask the patient about their primary concern and thoroughly explore all reported symptoms.
Medical History
Investigate past illnesses affecting the cardiovascular system, such as angina, anemia, rheumatic fever, congenital heart disease, stroke, thrombophlebitis, dysrhythmias, varicosities
Inquire about symptoms...
Initial Enquiry
Ask the patient about their primary concern and thoroughly explore all reported symptoms.
Medical History
Investigate past illnesses affecting the cardiovascular system, such as angina, anemia, rheumatic fever, congenital heart disease, stroke, thrombophlebitis, dysrhythmias, varicosities
Inquire about symptoms...
282
Assessment of blood pressure in brachial artery(one-step method)
556
This procedural guide systematically measures blood pressure using an oscillometric digital sphygmomanometer, emphasizing accuracy, patient safety, and comfort.
Prepare for the Procedure:
Prepare for the Procedure:
556
Types of Biopharmaceutical Studies: Controlled and Non-Controlled Approaches
123
Biopharmaceutical studies constitute a vital field aiming to enhance drug delivery methods and refine therapeutic approaches, drawing upon diverse interdisciplinary knowledge. In research methodologies, the choice between controlled and non-controlled studies significantly influences the study's reliability and accuracy.
Non-controlled studies, commonly employed for initial exploration, lack a control group, rendering them susceptible to biases and external influences. In contrast,...
Non-controlled studies, commonly employed for initial exploration, lack a control group, rendering them susceptible to biases and external influences. In contrast,...
123
Heart Failure IV: Classification and Diagnostic Evaluation
2
Heart failure can be classified in various ways, with the most common classifications based on physical activity limitations, disease progression, severity, and treatment strategies.The Functional Classification of Heart Failure divides patients into four categories based on physical activity limitation due to symptom burden.Class I: Patients in this class have cardiac disease but no physical activity limitations. Ordinary activities like walking, climbing stairs, or routine tasks do not cause...
2


