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KMID : 0364019940270050353
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Korean Journal of Thoracic and Cardiovascular Surgery
1994 Volume.27 No. 5 p.353 ~ p.363
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Surgical Treatment of Double Chambered Right Vetricle
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Abstract
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From January 1978 to December 1992, 59 patients of double chambered right ventricle were repaired.
Surgical correction consisted of closure of the ventricular septal defect and resection of anomalous muscle bundles through right ventriculotomy(Group I; 34 patients)or right atriotomy(Group II;25 patients). Between these two groups, the was no
difference in the operation time and the postoperative results. All patients survived. In group I, hemodynamically significant residual ventricular septal defect was found in three and reoperations were necessary. In one patient, subacute
bacterial
endocarditis developed postoperatively. In group II, complete atrioventricular block developed in one and mediastinitis in two. Follow-up period was from 2 to 75 months(mean 17.1 months). There was no late death. All patients have remained in
sinus
rhythm except one patient.
Careful evaluation of echocardiographic and catheterization data preoperatively and careful examination of the anatomy intraoperatively are necessary so that double chambered right ventricle should not be overlooked, because most ventricular
septal
defects are now closed through the right atrium.
Repair of double chambered right ventricle is also easily performed through the atrial approach. Transatrial repair should be considered as an alternative to the transventricular approach in patients with this congenital heart defect. Successful
surgical correction of double chambered right ventricle is expected with excellent long term results. (Korean J Thoracic Cardiovas Surg 1994; 27:353-63)
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