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A case of ventricular septal rupture associated with major septal branch occlusion after percutaneous coronary intervention

Elsevier Ltd
DOI: 10.1016/j.jccase.2014.06.010
  • Complication
  • Percutaneous Coronary Intervention
  • Ventricular Septal Rupture


Abstract A 67-year-old man underwent elective percutaneous coronary intervention (PCI) of the left anterior descending artery. The major septal branch became occluded during coronary stenting. The patient developed dyspnea 19 days later. Chest radiography revealed lung congestion and a pleural effusion. Transthoracic echocardiography revealed a basal ventricular septal rupture. Emergency coronary angiography did not reveal any in-stent restenosis, and the major septal branch remained occluded. Therefore, the patient underwent closure of the ventricular septal rupture. The postoperative period was uneventful, and he was discharged 29 days after the operation. Septal branch occlusion due to coronary stenting occasionally occurs during routine PCI for which recanalization is sometimes not attempted. However, this case demonstrates that occluded septal branches, although rare, may cause serious complications. <Learning objective: Rupture of the ventricular septum, a complication of acute myocardial infarction, is usually observed in the setting of acute myocardial infarction associated with major coronary artery occlusion. However, ventricular septal rupture associated with side branch occlusion due to coronary stenting for stable angina pectoris is uncommon. Awareness of this rare complication is useful during routine percutaneous coronary intervention.>

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