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J Reconstr Microsurg 2002; 18(2): 111-114
DOI: 10.1055/s-2002-19890
Copyright © 2002 by Thieme Medical Publishers, Inc., 333 Seventh Avenue, New York, NY 10001, USA. Tel.: +1(212) 584-4662

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
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Publication History

Publication Date:
31 January 2002 (online)

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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

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