[Insufficient cardioplegic protection in the newborn guinea pig myocardium].
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Biomedical subjects
Publications and source records attributed to T Yokosawa.
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A case of aorticopulmonary fistula secondary to thoracic aortic aneurysm of syphilitic origin has been presented. Aneurysm involved the first portion of the ascending aorta and ruptured into the main pulmonary artery a few cm above the pulmonic valve. Two weeks after onset, the patient successfully operated upon under profound hypothermia with perfusion. Thirteen cases of this disease since 1943 were reviewed and we discussed briefly profound hypothermia as a useful technic for surgical correction of this condition.
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A 22-year-old male was admitted to Niigata University Hospital complaining of palpitation. Echocardiogram, cineangiogram, and Holter electrocardiogram revealed a cardiac fibroma complicated by ventricular tachycardia (VT). The tumor extended from the interventricular septum to the anterior surface of the left ventricle, and an electrophysiological study demonstrated that the focus of the VT was situated at the tumor. The tumor was excised successfully. The patient is doing well two years after operation without any antiarrhythmic drugs, and VT has not recurred.