Hemodynamics within a canine femoral arteriovenous fistula.

Abstract:

:Blood flow and pressures around a canine femoral arteriovenous fistula, constructed from an autogenous carotid artery, were measured to determine the pressure-flow relationships within the fistula, as well as to determine the presence or absence of retrograde flow in the distal artery and vein. The findings indicate that retrograde arterial flow occurs only when the proximal femoral artery is occluded and, even then, the contribution to fistula flow is small and well below control femoral arterial flow. Retrograde distal venous flow is negligible. Pressure within the fistula is high at the arterial end but is rapidly dissipated across the loop fistula to equal systemic venous pressure on the venous side. Modest distal venous hypertension accompanies this type of fistula. For these reasons, a loop-type, arteriovenous fistula is preferable to other types of fistulas for most clinical surgical indications.

journal_name

Surgery

journal_title

Surgery

authors

Lavigne JE,Brown CS,Fewel J,Swan KG

subject

Has Abstract

pub_date

1975-03-01 00:00:00

pages

439-43

issue

3

eissn

0039-6060

issn

1532-7361

pii

0039-6060(75)90113-0

journal_volume

77

pub_type

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