Abstract
Double chambered right ventricle (DCRV) is common in children, and rarely occurs in adults. Three operated cases of DCRV in a 46-, 46-, and 62-year-old patients are described. The peak systolic pressure gradient in the right ventricle was 110 mmHg in case 1, 80 mmHg in case 2, and 150 mmHg in case 3. A right ventriculotomy in a low pressure chamber was performed in cases 1 and 3, and a longituidinal right ventriculotomy from a low to high pressure chamber was used in case 2 associating with VSD. After surgery, the pressure gradient in the right ventricle disappeared but end-diastolic high pressure was recognized in all patients. It was suggested that deterioration of right ventricular diastolic compliance remains after surgery in adult patients with DCRV.
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