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有研究报道,静脉注射β-肾上腺素能受体阻滞剂(β-阻滞剂)多不能有效地预防阵发性室上性心动过速(PSVT)的电程序刺激(PES)再诱发,尤其是对预激综合征伴房室折返性心动过速(AVRT)的病人。我们对9例预激伴AVRT病人静脉注射β-阻滞剂(Esmo-lol),结果显示不能预防AVRT的PES再诱发。然而长期口服β-阻滞剂在预防PSVT中的作用研究尚少,我们对此进行了观察。
Some studies have reported that intravenous injection of β-adrenergic receptor blockers (β-blockers) and more can not effectively prevent electrical stimulation (PES) re-induced paroxysmal supraventricular tachycardia (PSVT) Especially for the WPW syndrome with atrioventricular reentrant tachycardia (AVRT) in patients. We injected 9 β-blockers (Esmo-lol) intravenously into 9 patients with pre-excitation AVRT and found that they did not prevent PES re-induction of AVRT. However, the role of long-term oral β-blockers in the prevention of PSVT research is still small, we observed.