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- W2100089230 abstract "Aortic root diameter was measured by two-dimensional (2DE) and M-mode ecjpcardiography in 20 adult patients (aged 29 to 69 years) undergoing aortic valve replacement in order to predict prosthetic aortic valve size. Eight patients had predominantly aortic stenosis, six had chronic aortic regurgitation, and six had acute severe aortic regurgitation secondary to inefective endocarditis. 2DE measurements of aortic anulus diameter, as determined fromt the parasternal long-axis view, demonstrated a hight correlation with actual prosthetic valve size implanted at surgery (r = 0.89, p < 0.001, SEE 0.68 mm). 2DE exactly predicted actual prosthetic valve size in 12 of 20 patients (60%), was within in mm of prosthetic valve size in 6 of 20 patients (30%), and was within 2 mm of prosthetic valve size in two patients. In contrast, M-mode echocardiography failed to significantly predict aortic valve size (r = 0.14) because of its lack of two-dimensional anatomic orientation. Thus 2DE can safely and accurately predict preoperatively prosthetic aortic valve size and thereby be of great value in helping tio avoid the problem of prosthesis-patient mismatch." @default.
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- W2100089230 date "1984-01-01" @default.
- W2100089230 modified "2023-10-14" @default.
- W2100089230 title "Two-dimensional echocardiographic preoperative prediction of prosthetic aortic valve size" @default.
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- W2100089230 doi "https://doi.org/10.1016/0002-8703(84)90142-x" @default.
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