Abstract
Echocardiography may be used to study patients after mitral valve surgery in two separate ways. The first of these, direct observation of the prosthesis1 or homograft2, has been valuable in determining its normal appearance and, in the case of mechanical prostheses, in detecting abnormalities of movement caused by degeneration or thrombosis. However, it is an approach with limitations, since records of this type may be totally normal in spite of severe malfunction. We have therefore found it more informative to direct our attention not primarily at the prosthesis, but at the effects of the prosthesis or homograft on the pattern of left ventricular wall movement during filling. Although direct inspection of the echocardiogram may give useful information, particularly in the presence of mitral paraprosthetic regurgitation3, the value of the method can be considerably increased if a simple computing technique is used, and transverse left ventricular dimension, measured as the distance between the septum and posterior wall endocardium, is displayed continuously throughout the cardiac cycle.
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References
Johnson, M. L., Paton, B. C. and Holmes, J. H. (1970).Ultrasonic evaluation of prosthetic valve motion. Circulation, 41–42, Supp. II, page 3
Gianelly, R. E., Popp, R. L. and Hultgren, H. N. (1970). Heart sounds in patients with homograft replacement of the mitral valve. Circulation, 42, 309
Miller, H. C., Gibson, D. G. and Stephens, J. D. (1973). Role of echocardiography and and phonocardiography in the diagnosis of mitral paraprosthetic regurgitation with Starr-Edwards prostheses. Br. Heart J., 35, 1217
Gibson, D. G. and Brown, D. J. (1973). Measurement of instantaneous left ventricular dimension and filling rate using echocardiography. Br. Heart J., 35, 1141
Sutton, M. G. St. J., Traill, T. A., Ghafour, A. S., Brown, D. J. and Gibson, D. G. (1977). Echocardiographic assessment of left ventricular filling after mitral valve surgery. Br. Heart J., 39, 1283
Vinson, C. (1977). Mechanical properties of the human left ventricle during diastole. (PhD thesis, Brunei University)
Gibson, D. G. (1978). Non-invasive study of left ventricular function. In D. Longmore (ed.) Modern Cardiac Surgery (Lancaster: MTP Press).
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© 1978 MTP Press Limited
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Gibson, D.G. (1978). Echocardiographic studies after mitral valve replacement. In: Longmore, D.B. (eds) Modern Cardiac Surgery. Springer, Dordrecht. https://doi.org/10.1007/978-94-011-6200-5_10
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DOI: https://doi.org/10.1007/978-94-011-6200-5_10
Publisher Name: Springer, Dordrecht
Print ISBN: 978-94-011-6202-9
Online ISBN: 978-94-011-6200-5
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