PERSISTENT COMMON ATRIOVENTRICULAR CANAL. ANATOMY AND FUNCTION IN RELATION TO SURGICAL REPAIR

The mitral valve anatomy of endocardial cushion defects is reviewed and compared with the anatomic requirements for normal mitral valve function. It is shown that very often mitral valve anatomy is such that function should be not at all or only minimally affected. Evidence is quoted that this is in...

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Bibliographic Details
Published in:Circulation (New York, N.Y.) N.Y.), 1965-07, Vol.32 (1), p.120-129
Main Author: FRATER, R W
Format: Article
Language:English
Subjects:
Cardiac Surgical Procedures
Endocardial Cushion Defects
Heart Defects, Congenital
Heart Septal Defects
Heart Septal Defects, Ventricular
Humans
Mitral Valve Insufficiency
Old Medline
Thoracic Surgery
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Description
Summary:The mitral valve anatomy of endocardial cushion defects is reviewed and compared with the anatomic requirements for normal mitral valve function. It is shown that very often mitral valve anatomy is such that function should be not at all or only minimally affected. Evidence is quoted that this is indeed so. The potential harm that may result from indiscriminate suturing of mitral valve clefts and careless repair of the septal defects is described. Principles for the repair of the mitral valve in these cases are enunciated. A small series of cases that have had preoperative and 1-year postoperative assessments of mitral valve function is presented to illustrate some of these points.
ISSN:0009-7322
1524-4539
DOI:10.1161/01.CIR.32.1.120