平T波的数字心电图检测可以预测高风险患者的心血管事件:合研究
Tomoyuki Kabutoya1, Satoshi Hoshide2, Kazuomi Kario2
1Division of Cardiovascular Medicine, Department of Medicine, Jichi Medical University School of Medicine, Shimotsuke, Tochigi, Japan. kabu@jichi.ac.jp.
电心电图 (ECG) 上的平面T波发现表明,患有心血管风险因素的患者心血管事件的风险较高. 这包括患有高血压的人,突出了这些心电图模式的预后意义.
科学领域:
- 心脏病学 心脏病学
- 临床心电图学 临床心电图学
背景情况:
- 电心电图 (ECG) 上平面T波模式的预后价值尚未得到充分确立.
- 心血管事件仍然是全球疾病和死亡的主要原因.
研究的目的:
- 调查平面T波模式与主要心血管事件发生率之间的关联.
- 确定平面T波发现是否是风险人群中心血管事件的独立预测因素.
主要方法:
- 对结合研究中4508名患者的前性数据分析,并与可用的心电图和结果进行了结合.
- 平面T波的定义是T波振幅<0.1 mV和T波与R波的比率<10%在≥2个特定导线中.
- 主要终点包括中风,心肌梗塞,心力衰竭住院治疗和大动脉剖析,随访时间中位数为5.0年.
主要成果:
- 平T波 (N=539) 与对照组 (N=3426) 相比,与心血管事件 (HR 1.52,P=0.044) 的风险显著增加有关.
- 负的ST-T发现 (N=541) 也显示出明显更高的风险 (HR 2.23,P<0.001).
- 这些关联在高血压患者中仍然显著 (平坦T HR 1.54,P=0.037;负ST-T HR 2.24,P<0.001).
结论:
- 电脑心电图上的平面T波发现是心血管风险患者心血管事件的独立预测指标.
- 平面T波的存在意味着风险增加,即使经过多种临床因素的调整.
- 这些心电图发现在高血压患者中尤为重要,强调了它们的临床重要性.
更多相关视频
18:11A Research Method For Detecting Transient Myocardial Ischemia In Patients With Suspected Acute Coronary Syndrome Using Continuous ST-segment Analysis
Published on: December 28, 2012
10:17Real-Time Cardiac Mapping with a Noninvasive Imageless Electrocardiographic Imaging System
Published on: April 11, 2025
相关概念视频
Electrocardiogram
Three major waveforms are present in a typical ECG recording: the P wave, the QRS complex, and...
Dysrhythmias V: Evaluating Dysrhythmias
ECG Interpretation of Rhythms
Components of the Electrocardiogram
The primary components of a normal ECG waveform in Normal sinus rhythm(NSR) include the P wave, PR interval, QRS complex, ST segment, T wave, and occasionally a U wave.
ECG waveforms are divided by vertical and horizontal lines at standard intervals.
The horizontal axis measures time and rate, and the vertical axis measures amplitude or voltage....
Electrocardiogram Fundamentals
An electrocardiogram (ECG) is a diagnostic tool for identifying cardiac conditions such as arrhythmias, conduction abnormalities, and myocardial ischemia.
Definition
An electrocardiogram (ECG) visualizes the heart's electrical activity by tracing the electrical movement associated with each heartbeat on a graph or monitor. As the heart beats, an electrical wave passes through it, correlating with the cardiac cycle events.
Parts of an ECG
An ECG utilizes electrodes on the skin...
ECG Interpretation of Arrhythmias II: Atrial, Junctional and Ventricular Arrhythmias
Exercise Stress Test
Exercise stress testing, commonly known as a treadmill test, is a noninvasive procedure used to evaluate cardiovascular function and diagnose heart conditions.
Definition
An exercise stress test measures the heart's response to exertion using a treadmill or stationary bicycle. Chest electrodes record the heart's electrical activity through an ECG, and blood pressure is monitored regularly.
Purposes
