Tsao Y T, Wu C J, Lin S L, Liu C P, Tak T
Department of Internal Medicine, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan.
Singapore Med J. 2007 Apr;48(4):350-3.
A 71-year-old man was referred to our emergency department presenting with acute inferior and right ventricular myocardial infarction with cardiogenic shock. He developed ventricular fibrillation 80 minutes after arrival. Immediate defibrillation, mechanical ventilatory support with oxygenation, and inotropic agents were instituted. Despite restoration of sinus rhythm, his hypotension persisted. He promptly received intra-aortic balloon pump (IABP) counterpulsation and cardiac catheterisation. Coronary angiography revealed a subtotal occlusion of the left anterior descending coronary artery and complete occlusion of the right coronary artery. Since the right coronary artery was considered to be the infarct-related coronary artery, percutaneous coronary intervention (PCI) was carried out to the right coronary artery only. The patient was extubated and IABP was removed on the second and third admission day, respectively. He was discharged from the hospital eight days later. A second PCI to the left anterior descending coronary artery was performed successfully three weeks later. This case illustrates that in patients with acute myocardial infarction and cardiogenic shock, prompt application of IABP and PCI of the infarct-related coronary artery may be beneficial in reducing the catastrophic morbidity and mortality, especially in older patients.
一名71岁男性因急性下壁和右心室心肌梗死伴心源性休克被转诊至我院急诊科。他在到达后80分钟出现心室颤动。立即进行了除颤、机械通气支持及氧合,并使用了正性肌力药物。尽管恢复了窦性心律,但他的低血压仍持续存在。他迅速接受了主动脉内球囊反搏(IABP)和心脏导管插入术。冠状动脉造影显示左前降支冠状动脉次全闭塞,右冠状动脉完全闭塞。由于右冠状动脉被认为是梗死相关冠状动脉,仅对右冠状动脉进行了经皮冠状动脉介入治疗(PCI)。患者分别在入院第二天和第三天拔管并撤除IABP。八天后他出院。三周后成功对左前降支冠状动脉进行了第二次PCI。该病例表明,在急性心肌梗死和心源性休克患者中,及时应用IABP和对梗死相关冠状动脉进行PCI可能有助于降低灾难性的发病率和死亡率,尤其是在老年患者中。