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Mitral Valve Replacement With Stented Aortic HomograftA Hemodynamic Evaluation
Robert W. Dunlap, MD;
Robert L. Frye, MD;
F. Henry Ellis, Jr, MD, PhD
AMA Arch Surg. 1969;99(6):821-824.
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Extensive data are available defining the hemodynamic improvement that occurs when the mitral valve is replaced with a mechanical prosthetic device.1-6 Evaluation of long-term clinical results with these mechanical prosthetic devices, however, has revealed disturbingly high late morbidity and mortality from fatal or disabling thromboembolic complications.7,8 Because of these problems, interest developed in the use of the aortic valve homograft as a prosthesis for mitral valve replacement. It also was thought that hemodynamics in the immediate postoperative period might be better with a homograft than with a prosthesis if the presence of a cage and ball interfered with left ventricular performance. The present study, therefore, was undertaken to examine the hemodynamic state of ten patients in the immediate postoperative period after replacement of the mitral valve with a stented aortic valve homograft.
Material
Ten patients were studied before, on the first three days after, and nine days to
. . . [Full Text PDF of this Article]
Author Affiliations
Rochester, Minn
From the sections of medicine (Dr. Frye) and surgery (Dr. Ellis), Mayo Clinic and Foundation, and the Mayo Graduate School of Medicine (University of Minnesota) (Dr. Dunlap), Rochester, Minn.
Footnotes
Submitted for publication Aug 5, 1969.
Read before the 17th scientific meeting of the North American Chapter of the International Cardiovascular Society, New York, July 12, 1969.
Reprint requests to Section of Publications, Mayo Clinic, 200 First St SW, Rochester, Minn 55901.
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