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目的旨在探讨P波最大时限(Pmax)与最小时限(Pmin)对心血管病住院患者阵发性房颤的预测价值。方法回顾分析2008年1月至10月行12导联动态心电图监测的心内科住院患者98例,其中35例为阵发性房颤(病例组),其余63例为非房颤患者(对照组),对Pmax、Pmin及患者的临床特点进行比较。结果Pmax在阵发性房颤组较非房颤组明显增大(114.31±14.68vs.104.14±11.37,p<0.01),Pmin两组差别不明显(54.83±9.17vs.58.5±11.37,p=0.08),24h平均心率增快(89.29+24.62vs.73.86±14.60,p<0.01);经校正其它临床因素后显示,Pmax增大及快心室率是心血管病住院患者发生阵发性房颤的重要相关因素。结论12导联动态心电图Pmax增大及快心室率是预测心血管病住院患者发生阵发性房颤的较好指标。
The purpose of this study was to investigate the predictive value of Pmax and Pmin for paroxysmal atrial fibrillation in hospitalized patients with cardiovascular diseases. Methods A retrospective analysis of 98 patients with cardiological inpatients monitored by 12-lead ambulatory ECG from January 2008 to October 2008 were performed, of which 35 were paroxysmal atrial fibrillation (case group) and the other 63 were non-AF patients (control group ), Pmax, Pmin and the clinical features of patients were compared. Results Pmax was significantly increased in patients with paroxysmal atrial fibrillation (114.31 ± 14.68 vs 104.14 ± 11.37, p <0.01), Pmin was not significantly different (54.83 ± 9.17 vs.58.5 ± 11.37, p = 0.08), mean heart rate increased 24h (89.29 + 24.62vs.73.86 ± 14.60, p <0.01); after correction of other clinical factors, Pmax increased and fast ventricular rate was found in patients with cardiovascular disease in patients with paroxysmal atrial fibrillation The important relevant factors. Conclusions The increase of Pmax and fast ventricular rate in 12-lead ambulatory ECG are the better predictors of paroxysmal atrial fibrillation in hospitalized patients with cardiovascular diseases.