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目的:探讨以晕厥为首发症状的急性心肌梗塞(AMI)与梗塞相关血管之间的关系。方法:对200例急性ST段抬高型心肌梗塞(STEMI)并进行急诊经皮冠状动脉介入治疗(PCI)患者中15例以晕厥为首发症状的梗塞相关血管进行分析。结果:以晕厥为首发症状的患者在26例梗塞相关血管为左回旋支者中有5例(占19.2%);65例梗塞相关血管为右冠状动脉者中有7例(10.8%);109例梗塞相关血管为左前降支者有3例(2.8%),梗塞相关血管为左前降支者的晕厥为首发症状的发生率显著低于梗塞相关血管为右冠状动脉,及左回旋支者(P<0.05)。结论:梗塞相关血管为左回旋支或右冠状动脉的AMI患者,晕厥的发生率显著高于梗塞相关血管为左前降支的AMI患者。
Objective: To investigate the relationship between acute myocardial infarction (AMI), the first symptom of syncope, and infarct-related blood vessels. Methods: Fifty patients with infarction related to syncope as the first symptom were analyzed in 200 patients with STEMI who underwent emergency percutaneous coronary intervention (PCI). Results: Five of the 26 patients (19.2%) with infarction-related vessels were left circumflex in patients who developed syncope as the first symptom; 7 of 65 (10.8%) of the 65 patients with infarct-related vessels were right coronary arteries 3 cases (2.8%) had infarction-related vessels as the left anterior descending artery and the incidence of syncope as the first symptom of infarction-related vessels as the left anterior descending artery was significantly lower than that of the infarction-related vessels as the right coronary artery and left circumflex artery P <0.05). CONCLUSIONS: The incidence of syncope in AMI patients with infarct-related vessels as left circumflex or right coronary artery is significantly higher than that of AMI patients with infarct-related vessels in the left anterior descending artery.