TITLE

HEMODYNAMIC CHANGES FOLLOWING RIGID AND NON-RIGID ARTERIAL GRAFTS

AUTHOR(S)
Padhi, R. K.; Lynn, R. B.
PUB. DATE
February 1958
SOURCE
Angiology;Feb1958, Vol. 9 Issue 1, p7
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Rigid and semi-rigid vascular prostheses were implanted in Hi dogs, and homografts were implanted as controls in 8 dogs. Femoral artery pressure as pulse wave forms, and volume and blood flow records, were made (a) before grafting, (b) during the immediate postoperative period, and (c) at 3 monthly intervals thereafter for 6 months. Semi-rigid synthetic substitutes showed no hemodynamic changes compared with the control group (homografts). With rigid prosthesis the results were similar to those of the control series, so long as the length of the replaced segment was less than one-third the length of the entire aorta. Beyond this length the dicrotic notches in the femoral artery pulse and the notches in the pulse volume disappeared, leading to a sinusoidal pattern. Regardless of the length of the rigid prosthesis there was no alteration in the effective blood flow.
ACCESSION #
16389138

 

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