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探讨高血压病及冠心病患者左房内径变化与非瓣膜性心房颤动(简称房颤)的相关性。选择360例高血压患者(EH组),286例冠心病患者(CHD组)及255例正常对照(NT)组,应用彩色多普勒超声心动图仪、三导心电图仪及24h动态心电图仪,测定左房内径(LAD)及检出房颤的情况。结果:EH组及CHD组LAD较正常对照组显著增加。EH及CHD患者LAD扩大者中57.94%发生房颤,发生房颤的患者中96.69%伴LAD扩大。结论:1/3以上EH及CHD患者伴有左房(LA)扩大,LA扩大与EH及CHD患者房颤的发生及持续有关。
To investigate the relationship between changes of left atrium diameter and non-valvular atrial fibrillation (AF) in patients with hypertension and coronary heart disease. Three hundred and sixty hypertensive patients (EH group), 286 CHD patients (CHD group) and 255 normal control (NT) patients were selected. Color Doppler echocardiography, three-lead ECG and 24- Determination of left atrial diameter (LAD) and the detection of atrial fibrillation. Results: LAD in EH group and CHD group was significantly higher than that in normal control group. Atrial fibrillation occurred in 57.94% of LAD enrollers in EH and CHD patients, and 96.69% of patients with atrial fibrillation developed LAD. Conclusion: More than a third of patients with EH and CHD are accompanied by an enlargement of left atrium (LA). LA enlargement is associated with the occurrence and persistence of atrial fibrillation in patients with EH and CHD.