Treating a patient with heparin-induced thrombocytopenia can be challenging particularly when the patient requires urgent cardiac surgery that uses heparin for anticoagulation. We herein report a case of a 61-year-old man with idiopathic dilated cardiomyopathy associated with heparin-induced thrombocytopenia and who underwent plasma exchange to remove heparin-induced thrombocytopenia antibodies before undergoing left ventricular assist device implantation. The surgery was performed using cardiopulmonary bypass and unfractionated heparin.

A 42-year-old man was referred to our hospital with heart failure and unoperated tricuspid atresia with pulmonary valve stenosis. His condition was initially managed with medical therapy; however, he required repeat hospitalisations for congestive heart failure. We diagnosed the chief cause of his heart failure as aortic valve regurgitation secondary to aortic root dilatation. Aortic root replacement was performed and then his heart failure was controlled.

Ruptured abdominal aortic aneurysm after endovascular abdominal aortic repair is a relatively rare condition. The management of this type of a rupture is challenging and controversial. We report here a case of ruptured abdominal aortic aneurysm 6 months after endovascular abdominal aortic repair. Although the main cause of this rupture was initially believed to be a type II endoleak, it was also a type IIIB endoleak practically. The patient was successfully treated via the hybrid approach. He recovered well, with no endoleaks for the next 6 months.

We report a case of structural valve deterioration, which occurred 7 years after aortic valve replacement in a 78-year-old male with cardiac sarcoidosis. His echocardiography showed low transprosthetic valve gradient and depressed left ventricular function. A dobutamine stress echocardiography was performed to identify his pathophysiology, and it revealed that his depressed left ventricular function was not due to cardiac sarcoidosis but to structural valve deterioration. Reoperation for structural valve deterioration was performed, and his left ventricular function recovered.

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