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Its Use in Determining Patency of Portacaval Shunts

MARVIN M. KIRSH, MD; HERBERT CARES, MD; GEORGE D. ZUIDEMA, MD

AMA Arch Surg. 1964;89(3):508-511.

	Since this article does not have an abstract, we have provided the first 150 words of the full text PDF and any section headings.

The ideal test for determining patency of a portacaval shunt would be applicable to all patients, simple to perform, give accurate, consistent results which are easy to interpret, and afford minimal risk to the patient. Many techniques have been utilized which have met these criteria with varying degrees of success.

The direct approach has been the actual visualization of the portal vein by splenoportography or retrograde catheterization of the portal vein via the inferior vena cava. These procedures are not without hazard and require considerable experience to be performed properly.

Measurement of portal circulation time by rectal instillation of ether¹ or radioactive sodium,² or by intravenous injection of labelled isotopes³ or radioactive gases⁴ have been proposed as methods of determining shunt patency. The end-point obtained by these techniques is vague, however. Consequently there has been a wide variation in results.

The bypassed liver is unable to . . . [Full Text PDF of this Article]

Author Affiliations
ANN ARBOR, MICH

John and Mary R. Markle Scholar in Academic Medicine, United States Public Health Service Career Development Awardee, No. 5K3-AM-13702-03 (Dr. Zuidema).; From the Department of Surgery, University of Michigan Medical School.

Footnotes
Submitted for publication March 18, 1964.

Supported by United States Public Health Service grants-in-aid No. HE-04260-06 and 5MO1-FR-42, supporting the University of Michigan Clinical Research Center, and United States Army Contract No. DA-49-007-MD-1016.

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