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[A case of ruptured aneurysm of the sinus of Valsalva with bacterial endocarditis].

A 21-year-old male with ruptured aneurysm of sinus of Valsalva caused by bacterial endocarditis is presented. The patient complained of palpitation and a attack of fever. Continuous murmur was heard with a thrill at the third intercostal space of the left sternal border. On plain chest x-ray film pulmonary congestion and increase in pulmonary flow were observed. Cardiac catheterization showed step up of oxygen contents at the level of right ventricle and left to right shunt of 36.5%. Aortography demonstrated the aneurysm of the sinus of Valsalva ruptured to right ventricle. The operation was performed by right ventricular approach. Aneurysmal sac was resected and its orifice was closed with mattress sutures. Bacteriological examination at the time of operation revealed Staphylococcus aureus. Postoperative course was uneventful.