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病态窦房结综合征(SSS)与冠心病的关系仍有争议。本文旨在评价曾有下壁急性心肌梗塞(AMI)的SSS者与曾有下壁AMI的正常窦律者的窦房结(SN)动脉病变与SN功能的关系。方法:23例SSS及经冠动脉造影证实为下壁AMI者作了SN的电生理研究。下壁AMI的诊断是根据胸痛史,典型的酶改变。Ⅰ、Ⅱ、avF心电图变化及病理性Q波。进入研究组的标准为:①曾有下壁AMI;②持久性窦缓;③出院后仍持久窦缓,并得到成功地随访;④心功能1～Ⅱ级。按Judkins或
The relationship between sick sinus syndrome (SSS) and coronary heart disease remains controversial. This article aims to evaluate the relationship between SN lesions and sinus node (SN) arterial disease in patients with SSS who had AMI and those with AMI in the inferior wall. Methods: Electrophysiological studies of SN were performed in 23 patients with SSS and those with AMI confirmed by coronary angiography. The diagnosis of inferior AMI is based on a history of chest pain, a typical enzyme change. Ⅰ, Ⅱ, avF ECG changes and pathological Q wave. The criteria for entry into the study group were: ① there was an inferior wall AMI; ② persistent sinus delay; ③ persistent sinus delay after discharge from the hospital and successful follow-up; ④ heart function grade 1 ~ Ⅱ. Press Judkins or