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目的:比较心房颤动症状组和无症状组的临床特点,加强对无症状房颤的认识。方法:对89例房颤患者进行横断面调查研究,比较无症状房颤和症状性房颤患者在年龄、性别、血压、血脂、血糖、平均心率、最长心动周期、心功能、心脏结构、房颤类型和中风的情况有无差别。结果:无症状房颤发生率为55.1%(49例/89例)。症状组和无症状组两组患者在年龄(66.3±10.5vs65.4±9.7)、性别比例(男/女22/18vs29/20)、血胆固醇(3.23±1.83mmol/Lvs3.37±1.75mmol/L)、血甘油三脂(1.34±0.81mmol/Lvs1.45±1.76mmol/L)、左室射血分数(0.51±0.074vs0.57±0.053)、合并中风比例(15/40vs13/49)、左室肥厚指数(129.5±14.3g/m2vs134±13.8g/m2)、左房内径(44.2±6.9mmvs45.4±8.1mm)方面无统计学差异,在血糖(5.73±1.68mmol/Lvs6.48±1.93mmol/L)、收缩压(135±16.8mmHgvs146±18.6mmHg)、舒张压(63.7±9.7mmHgvs65.4±12.2mmHg)、平均心室率(89±26次/分vs74±19次/分)、最长心动周期(1.95±1.53秒vs1.78±0.86秒)方面有统计学差异。结论:无症状房颤临床发生率高。房颤症状的有无与临床情况不平行,无症状房颤和症状性房颤一样合并较多危险因素,也可导致严重的临床后果。
OBJECTIVE: To compare the clinical features of atrial fibrillation and asymptomatic groups and to enhance their understanding of asymptomatic atrial fibrillation. Methods: A total of 89 patients with atrial fibrillation were investigated by cross-sectional study. The differences in age, sex, blood pressure, blood lipid, blood glucose, mean heart rate, longest cardiac cycle, cardiac function, cardiac structure, Whether the type of atrial fibrillation and stroke is the same or not. Results: The incidence of asymptomatic atrial fibrillation was 55.1% (49 cases / 89 cases). Symptoms and asymptomatic patients in the two groups of patients age (66.3 ± 10.5vs65.4 ± 9.7), the sex ratio (male / female 22 / 18vs29 / 20), blood cholesterol (3.23 ± 1.83mmol / Lvs3.37 ± 1.75mmol / (1.34 ± 0.81mmol / L vs 1.45 ± 1.76mmol / L), left ventricular ejection fraction (0.51 ± 0.074vs0.57 ± 0.053) and stroke rate (15 / 40vs13 / 49) There was no significant difference in left ventricular hypertrophy index (129.5 ± 14.3g / m2 vs 134 ± 13.8g / m2) and left atrial diameter (44.2 ± 6.9mm vs45.4 ± 8.1mm) Systolic blood pressure (135 ± 16.8mmHg vs 146 ± 18.6mmHg), diastolic blood pressure (63.7 ± 9.7mmHgvs65.4 ± 12.2mmHg), mean ventricular rate (89 ± 26times / minute vs74 ± 19times / minute) The longest cardiac cycle (1.95 ± 1.53 seconds vs 1.78 ± 0.86 seconds) were statistically different. Conclusion: The clinical incidence of asymptomatic atrial fibrillation is high. Atrial fibrillation symptoms and clinical conditions are not parallel, asymptomatic atrial fibrillation and asymptomatic atrial fibrillation combined with more risk factors, can also lead to serious clinical consequences.