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目的探讨新生儿心律失常的病因、发病机制、临床表现、心律失常类型和预后。方法对1998-02~2004-02在本科住院并诊断为心律失常的52例新生儿进行临床分析和随访。结果窦性心律失常23例(44%);窦性心动过缓10例,窦性心动过速13例。异位心律29例(56%);房性早博9例(频发7例),室上性心动过速4例,室性早博6例(频发3例),室早并行心律1例,室性心动过速4例。各种传导阻滞5例(9%):不完全性右束支传导阻滞2例,Ⅰ度房室传导阻滞(AVB)1例,Ⅱ度AVB(文氏型)1例,Ⅲ度AVB1例。转归心律失常消失43例,占82%(43/52);失访3例,1例死亡。结论新生儿心律失常多为良性,以窦性心律失常和早搏常见,预后良好;室性心动过速如原发病严重则预后很差。
Objective To investigate the etiology, pathogenesis, clinical manifestations, arrhythmia types and prognosis of neonatal arrhythmia. Methods Fifty-two newborns admitted to our hospital from February 1998 to February 2004 with arrhythmia were followed up. Results Sinus arrhythmia in 23 cases (44%); sinus bradycardia in 10 cases, 13 cases of sinus tachycardia. Ectopic heart rhythm in 29 cases (56%); atrial premature beats in 9 cases (7 cases of frequent), supraventricular tachycardia in 4 cases, ventricular premature beats in 6 cases (3 cases) For example, 4 cases of ventricular tachycardia. Five cases (9%) of various types of conduction block: incomplete right bundle branch block in 2, grade Ⅰ AVB in 1, grade Ⅱ AVB in 1, grade Ⅲ AVB1 cases. Out of 43 cases of arrhythmia disappeared, accounting for 82% (43/52); lost in 3 cases, 1 case of death. Conclusions Most newborn arrhythmias are benign, common to sinus arrhythmia and premature beat, and the prognosis is good. Ventricular tachyarrhythmias such as severe primary disease have poor prognosis.