Ventricular septal rupture after early successful thrombolytic therapy in acute myocardial infarction: a case report

The Kaohsiung Journal of Medical Sciences
Ho-Ming SuSheng-Hsiung Sheu

Abstract

Ventricular septal defect (VSD) is a severe complication of acute myocardial infarction and has a high mortality rate. This complication appears to have declined in the reperfusion era. It has mostly been reported in elderly or female patients who suffer from anterior wall infarction, patients with multivessel coronary artery disease (CAD) or occluded infarct-related artery (IRA) without collateral circulation, or patients who have had delayed reperfusion therapy. Here, we report the case of a 60-year-old male patient who presented with persistent chest pain and Killip I ST-segment-elevation myocardial infarction. Thrombolytic therapy was started 3 hours after the onset of chest pain. Based on the subsidence of chest pain, resolution of the elevated ST segment, and early peak of cardiac enzymes, reperfusion was thought to be successful. However, on the third day of admission, the patient complained of dyspnea after defecation and was found to have new-onset grade 3 pansystolic murmur over the left sternal border. Cardiac echography showed an apical VSD. A Swan-Ganz catheter was inserted into the right side of the heart; analysis of blood oxygen saturation revealed a 6% step-up of oxygen in the right ventricle. Coronary angiogra...Continue Reading

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Citations

Nov 2, 2012·The American Journal of the Medical Sciences·Xiao-Yong ZhangLi-Jun Yuan

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