Characteristics of Double-Chambered Right Ventricle in Adult Patients

Published on Jun 1, 2010in The Korean Journal of Internal Medicine
· DOI :10.3904/KJIM.2010.25.2.147
Yu Jeong Choi1
Estimated H-index: 1
(Eulji University),
Yu Jeong Choi1
Estimated H-index: 1
(Eulji University),
Seung Woo Park2
Estimated H-index: 2
Background/Aims: This study evaluated the clinical features of double-chambered right ventricle (DCRV) in adults. Most cases of DCRV are diagnosed and treated during childhood. Consequently, very few reports include cases in which its clinical characteristics are evident in adults. Methods: We reviewed the clinical data for 10 adult patients (age ≥ 18 years) with DCRV. Results: Electrocardiogram showed right ventricular hypertrophy in 3 DCRV patients. All cases were associated with ventricular septal defect (VSD; 7 for perimembranous, 2 for muscular outlet, and 1 for the subarterial type). Surgical correction was done for 7 DCRV patients all of whom survived operations. Their follow-up echocardiogram showed the pressure gradient in their right ventricle was significantly decreased from 69.4 ± 17.2 mmHg preoperatively to 10.2 ± 5.0 mmHg postoperatively (p < 0.05). In the short-term follow-up, there was no significant increase in the pressure gradient in the right ventricle. Conclusions: There are lots of cases of DCRV that are not diagnosed accurately in adults. In our experience, all DCRV cases had VSD and surgical correction of these cases showed excellent results. Therefore, accurate diagnosis of DCRV is necessary so that DCRV is not overlooked and operations are enabled within an appropriate time. (Korean J Intern Med 2010;25:147-153)
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