在有症状的成年人中间歇性心室预兴奋:总是低风险的标志吗?
Antonio Gianluca Robles1,2, Zefferino Palamà1,3, Andrej Pernat4
1Department of Clinical Medicine, Public Health, Life and Environmental Science, University of L'Aquila, L'Aquila, Italy.
Pacing and clinical electrophysiology : PACE
|August 1, 2023
概括
在成年人中,间歇性预兴奋 (IPX) 和持续性预兴奋 (PPX) 具有相似的风险特征. 这项研究发现IPX和PPX患者与心室预兴奋之间的电生理特征或结果没有显著差异.
科学领域:
- 心脏病学 心脏病学
- 电力生理学 电力生理学
- 医学研究 医学研究
背景情况:
- 间歇性心室预激发在历史上被认为是心脏突然死亡的低风险.
- 然而,辅助通路 (AP) 可能会表现出高风险的间歇性降解前导电性质.
- 欧洲指南定义了高风险的AP特征,并建议通过导管切除.
研究的目的:
- 为了比较间歇性预兴奋 (IPX) 和持续性预兴奋 (PPX) 患者之间的风险特征.
- 为了评估临床和电生理学特征的差异,在有心室预兴奋和心的成年人中.
主要方法:
- 293名患有心室预兴奋的成年患者接受了电生理学研究.
- 如果检测到心律失常诱导性 (AVRT / AF),快速前级导电或多个AP,则进行了导管切除.
- 患者被分为IPX (17.4%) 和PPX (82.6%) 组.
主要成果:
- 在IPX和PPX组之间的人口统计特征 (年龄,性别) 中没有观察到统计学上显著的差异.
- AVRT/AF的诱导性,降级前导电性质,多个AP的患病率和AP位置没有显著差异.
- 这些发现表明间歇性和持续性预兴奋之间具有可比的风险概况.
结论:
- 与持续前刺激 (PPX) 患者相比,间歇性前刺激 (IPX) 患者表现出类似的临床和电生理学特征.
- 该研究表明,IPX在这个成年人群中并不代表显著不同的风险概况.
- 进一步的研究可能会完善附加途径管理的风险分层.
相关概念视频
ECG Interpretation of Arrhythmias II: Atrial, Junctional and Ventricular Arrhythmias
45
Arrhythmia is a condition characterized by an irregular heart rhythm, with ECG changes that differ based on its origin and nature. The types of arrhythmias discussed below include atrial, junctional, and ventricular arrhythmias.Atrial ArrhythmiasPremature Atrial Complexes (PACs): PACs are early atrial beats caused by stress, caffeine, alcohol, electrolyte imbalances, hypoxia, hyperthyroidism, or certain medications (e.g., bronchodilators and decongestants). The ECG shows early P waves with an...
45
Acute 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
Coronary Artery Disease IV: Preventive Measures
24
Effective preventive measures for coronary artery disease (CAD) focus on controlling modifiable risk factors, including cholesterol abnormalities and lifestyle changes.Cholesterol ManagementFirst, the Mediterranean diet and the American Heart Association advocate for maintaining low-density lipoprotein (LDL) cholesterol levels below 100 mg/dL, with a more stringent recommendation of below 70 mg/dL for individuals at high risk. LDL cholesterol, often termed "bad cholesterol," can lead to the...
24
Dysrhythmias V: Evaluating Dysrhythmias
42
Dysrhythmias, also known as arrhythmias, are disturbances in the heart's rhythm that range from benign to life-threatening. A thorough evaluation is crucial for appropriate management and involves a comprehensive medical history, physical examination, and various diagnostic tests.Medical HistorySymptoms: Collect detailed information on palpitations, dizziness, syncope, chest pain, and fatigue. Note their onset, frequency, and triggers.Previous Cardiac Issues: Document any history of heart...
42
Dysrhythmias IV: Characteristics of Bradyarrhythmias
12
Bradyarrhythmias are cardiac rhythm disorders characterized by a slower-than-normal heart rate, typically defined as fewer than 60 beats per minute. Some of which are discussed here:Sinus BradycardiaSinus bradycardia presents a heart rate lower than 60 beats per minute, with a regular rhythm originating from the SA node. The ECG typically shows normal P waves preceding each QRS complex, a normal PR interval (0.12 to 0.20 seconds), and a normal QRS duration (0.06 to 0.10 seconds).First-Degree AV...
12
Heart Failure IV: Classification and Diagnostic Evaluation
19
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...
19


