Assessment of the Patency of Microvascular Venous Anastomosis

Kenneth C. W. Hui; Feng Zhang; William W. Shaw; Andrew Taylor; Ewa Komorowska-Timek; William C. Lineaweaver

doi:10.1055/s-2002-19890

Journal of Reconstructive Microsurgery, Table of Contents

J Reconstr Microsurg 2002; 18(2): 111-114
DOI: 10.1055/s-2002-19890

Assessment of the Patency of Microvascular Venous Anastomosis

Kenneth C.W. Hui¹ , Feng Zhang² , William W. Shaw³ , Andrew Taylor² , Ewa Komorowska-Timek² , William C. Lineaweaver²

¹Private practice, Hong Kong
²Division of Plastic Surgery, University of Mississippi Medical Center, Jackson, MS
³Division of Plastic and Reconstructive Surgery, University of California at Los Angeles, CA

Abstract

ABSTRACT

There is an absence of data on the timing of occlusion of vessels after anastomosis, and on the possible subsequent reopening (recanalization) of these vessels. This lack of information may be an important factor in the wide discrepancies found among reported patency rates for laboratory microvascular repair. In this study, a total of 300 standard microsurgical anastomoses were performed on rat femoral veins. The patency of each anastomosis was assessed at regular intervals within a 2-week study period. These results showed that the majority of venous occlusions occurred within 1 day after repair. Recanalization of the occluded vein was first seen at day 3 postoperatively. Recanalization was observed over a 2-week postoperative period with increasing frequency. The authors conclude that the optimal time to assess the technical outcome of experimental venous patency is 1 to 2 days after the repair.

KEYWORD

Microsurgery - anastomosis - vein - thrombosis - recanalization

Full Text

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