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目的:通过对高血压致阵发性房颤(PAF)的动态心电图分析,探讨在不同年龄组的发病情况,以及自主神经功能紊乱对PAF的影响。方法:对330例高血压患者实施按年龄分组行动态心电图检测配合彩色超声检查。根据年龄不同分为青年组、中年组、老年组,观察三组PAF的发病率;左房扩大、左室肥厚与PAF的关系。结果:三组患者中发生PAF104例,146例左室肥厚和215例左房扩大。发生PAF患者多伴有左房或左室的肥大,青年组与中年组PAF发作多有昼夜节律特点,且两组PAF发生率明显高于老年组,三组比较有统计学差异(P<0.01)。结论:动态心电图对高血压患者检测,能较早发现PAF、早干预,引发PAF的原因主要与左房扩大有关;此外,中青年患者还有自主神经功能紊乱的参与。
OBJECTIVE: To investigate the incidence of PAF in different age groups and the effects of autonomic nervous dysfunction on PAF by analyzing the dynamic electrocardiogram of paroxysmal atrial fibrillation (PAF) induced by hypertension. Methods: 330 cases of hypertensive patients by age grouping dynamic ECG combined with color ultrasound. According to age, the incidence of PAF was divided into young group, middle-aged group and elderly group. The incidence of PAF was observed. The relationship between left atrium enlargement, left ventricular hypertrophy and PAF was observed. Results: There were PAF104 cases, 146 cases of left ventricular hypertrophy and 215 cases of left atrial enlargement in the three groups. Occurrence of PAF patients are often associated with left atrial or left ventricular hypertrophy, young and middle-aged PAF seizures have more circadian rhythm characteristics, and the incidence of PAF in both groups was significantly higher than the elderly group, the three groups were statistically significant (P < 0.01). Conclusions: The detection of ambulatory electrocardiogram in patients with hypertension, early detection of PAF, early intervention, the main cause of PAF caused by the expansion of the left atrium; In addition, young and middle-aged patients with autonomic dysfunction involvement.