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目的研究原发性高血压左房增大与房性心律失常的关系。方法将80例原发性高血压患者和76例健康者的超声心动图、24 h动态心电图资料进行比较。结果(1)高血压病患者左心房内径明显大于健康组〔(36.82±6.48)vs(24.75±4.26)mm,P<0.05〕。(2)高血压患者左心房内径增大组房性心律失常的发生率高于左心房内径正常组,两组比较差异有统计意义(77.08%vs 34.38%,P<0.05)。结论左心房增大为高血压房性心律失常的重要因素。
Objective To study the relationship between left atrial enlargement and atrial arrhythmia in patients with essential hypertension. Methods Echocardiography and 24-hour Holter data of 80 patients with essential hypertension and 76 healthy controls were compared. Results (1) The diameter of the left atrium in hypertensive patients was significantly higher than that in the healthy group [(36.82 ± 6.48) vs (24.75 ± 4.26) mm, P <0.05]. (2) The incidence of atrial arrhythmia in hypertensive patients with left atrial diameter increased was higher than that in normal left atrial diameter group (77.08% vs 34.38%, P <0.05). Conclusions Left atrial enlargement is an important factor of atrial arrhythmia in hypertension.