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本文报道经食道心房调搏(TEAP)治疗PSVT10例。属于折返性心动过速8例。其中房室结内折返5例,经旁道折返3例。应用国产心房刺激器和自行设计的7F四极导管电极,起搏电压20～30伏,脉宽多为10ms。经程度控对偶、配对起搏或猝发超速起搏后,10例PSVT均迅速终止。以后服用导搏定、乙胺碘铜酮以巩固疗效。我们认为TEAP可作为PSVT的首选治疗;四极导管电极能保证迅速终止成功;宽脉冲起搏能降低阈值;猝发起速起搏对异灶性PSVT均有效。
This article reports 10 cases of transvaginal transthoracic (TEAP) treatment of PSVT. Belongs to reentrant tachycardia in 8 cases. Among them, 5 cases of atrioventricular nodal reentry and 3 cases of recumbent nodal reentry. Application of atrial stimulator and self-designed 7F quadruode catheter electrode, pacing voltage 20 ~ 30 volts, the pulse width of more than 10ms. After the degree of dual control, paired pacing or burst speeding pacing, 10 cases of PSVT were promptly terminated. After taking Doding, ethylamine Iodoform to consolidate the effect. We believe that TEAP can be used as the first choice of treatment for PSVT; the quadruode catheter can ensure the rapid termination of success; the wide pulse pacing can reduce the threshold; and the rapid onset pacing is effective for allogeneic PSVT.