心力衰竭警报时间和心力衰竭风险时间作为TriageHF算法的潜在修饰因子,用于心力衰竭的远程监测:一个队列研究
David Ledesma Oloriz1, Daniel García Iglesias1,2, Rodrigo Ariel di Massa1,2
1Arrhythmia Unit, Cardiology Department, Hospital Universitario Central de Asturias, Avda de Roma s/n, 33011 Oviedo, Spain.
Diagnostics (Basel, Switzerland)
|December 11, 2025
概括
修改TriageHF算法,将警报持续时间延长到15天,并考虑个体风险时间,显著改善了心力衰竭远程监测的准确性. 这提高了特异性和积极的预测价值,为更好的患者管理.
科学领域:
- 生物医学工程 生物医学工程
- 心脏病学 心脏病学
- 数字健康数字健康
背景情况:
- TriageHF算法有助于通过植入设备远程监测心力衰竭 (HF).
- 目前的局限性包括高错误阳性警报率,阻碍了临床采用.
- 改善诊断性能对于有效的高频管理至关重要.
研究的目的:
- 评估是否延长警报持续时间并纳入个人处于危险中的时间可以提高TriageHF的诊断准确性.
- 改进算法,使远程心力衰竭监测更可靠.
主要方法:
- 对37名使用Medtronic ICD的患者进行前性队列研究.
- 对609个HF预警进行分析,比较标准 (≥7天) 和修改 (≥15天) 预警值.
- 评估低风险状态中的时间与算法的正预测值 (PPV) 之间的相关性.
主要成果:
- 经过修改的方法 (≥15天) 将特异性提高到85.6%,PPV提高到24.3%,对灵敏度的影响最小 (87%).
- 与标准方法相比,假阳性率显著下降 (76.4%的特异性).
- 在低风险状态和个人PPV (R2 = 0.64,p = 0.018) 之间的时间之间发现了显著的逆相关性.
结论:
- 将TriageHF警报值提高到≥15天,可以提高诊断特异性和PPV.
- 整合个人的风险时间进一步完善了心力衰竭患者的风险分层.
- 这些修改承诺更具成本效益和准确的远程高频监控策略.
相关概念视频
01:30Heart Failure IV: Classification and Diagnostic Evaluation
293
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...
293
01:30Heart Failure V: Medical Management
198
Medical Management of Acute Decompensated Heart Failure (ADHF)The primary goals of therapy for patients hospitalized with acute decompensated heart failure (ADHF) include:Relieving symptomsOptimizing volume statusSupporting oxygenation and ventilationMaintaining cardiac output (CO) and end-organ perfusionIdentifying and addressing the cause of ADHFPreventing complicationsProviding patient education on factors precipitating HF exacerbationPlanning for dischargeOngoing monitoring and assessment...
198
01:30Heart Failure VII: Nursing Interventions
396
The first step in nursing management of a patient with heart failure involves thoroughly assessing the patient's medical history.Subjective Data: Obtain the patient's medical history of coronary artery disease, hypertension, myocardial infarction, and symptoms like dyspnea, orthopnea, and paroxysmal nocturnal dyspnea.Objective Data: Conduct a physical examination to identify findings such as jugular vein distention, pulmonary crackles, tachycardia, murmurs, peripheral edema, and vital signs,...
396
01:22Heart Failure VI: Adjunct Therapies
235
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.
235
01:17Pathophysiology of Heart Failure
2.7K
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...
2.7K
01:29Heart Failure II: Pathophysiology
668
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...
668