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目的 评价无创伤性电生理检查在儿童室上性心动过速(PSVT)诊断中的应用价值。方法 2002年1月至 2003年 12月对广东省心血管研究所 58例室上性心动过速 (PSVT)患儿进行体表 12导联心电图检查(ECG)、食管电生理检查(TEAP),并与心内电生理检查 (EPS)结果进行比较。结果 ECG对房室折返性PSVT(AVRP)诊断敏感性为 100% ( 20 /20 );但对 5例P波不明显的房室结折返性PSVT(AVNRP)均漏诊;TEAP对AVRP和AVNRP总诊断敏感性为 90 3% (28 /31),对AVNRP无漏诊;ECG和TEAP对PSVT诊断符合率分别为80% (20 /25)和 91% (30 /33)。结论 联合应用ECG和TEAP等无创性电生理检查能对儿童PSVT作出正确诊断及分型,是一种安全可靠、无痛性的检查方法。
Objective To evaluate the value of noninvasive electrophysiological examination in the diagnosis of children with supraventricular tachycardia (PSVT). Methods From January 2002 to December 2003, 58 cases of supraventricular tachycardia (PSVT) in Guangdong Provincial Institute of Cardiology were examined by 12-lead body surface electrocardiogram (ECG), esophageal electrophysiological examination (TEAP) And compared with electrophysiological examination (EPS) results. Results The sensitivity of ECG was 100% (20/20) in the diagnosis of atrioventricular reentrant PSVT (AVRP). However, 5 cases of atrioventricular nodal reentrant PSVT (AVNRP) The diagnostic sensitivity was 90 3% (28 of 31). There was no missed diagnosis of AVNRP. The coincidence rates of ECG and TEAP for PSVT were 80% (20/25) and 91% (30/33), respectively. Conclusions The combined application of noninvasive electrophysiological examination such as ECG and TEAP can make the correct diagnosis and classification of PSVT in children, which is a safe, reliable and painless examination method.