Postoperative evaluation of mitral valve function in ostium primum defect with cleft mitral valve (partial form of atrioventricular canal)

Postoperative cardiovascular studies were carried out in eight patients with ostium primum defect and cleft mitral valve. Apical systolic murmurs were present in all patients, but in seven of them no mitral regurgitation was detected by pulmonary wedge pressure and left ventricular angiography. Surg...

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Bibliographic Details
Published in:Circulation (New York, N.Y.) N.Y.), 1969-07, Vol.40 (1), p.21-29
Main Authors: Griffiths, S P, Ellis, K, Burris, J O, Bumenthal, S, Bowman, Jr, F O, Malm, J R
Format: Article
Language:English
Subjects:
Adolescent
Adult
Angiocardiography
Cardiac Catheterization
Child
Child, Preschool
Electrocardiography
Heart Defects, Congenital - physiopathology
Heart Defects, Congenital - surgery
Heart Septal Defects - physiopathology
Heart Septal Defects - surgery
Humans
Mitral Valve - physiopathology
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Summary:Postoperative cardiovascular studies were carried out in eight patients with ostium primum defect and cleft mitral valve. Apical systolic murmurs were present in all patients, but in seven of them no mitral regurgitation was detected by pulmonary wedge pressure and left ventricular angiography. Surgical repair of the cleft anterior leaflet without resection of subjacent chordae tendineae, as performed in these patients, usually results in a competent mitral valve. Postoperative angiograms showed persistence of the characteristic preoperative deformity of the medial border of the left ventricular outflow tract especially in systole. As illustrated in one of these patients, subaortic obstruction occasionally complicates abnormalities of the atrioventricular valves.
ISSN:0009-7322
1524-4539
DOI:10.1161/01.CIR.40.1.21