Valve distribution of the popliteal vein: A structural basis for deep venous thrombosis?

Objective To describe the relationship between number and distribution of valves. Methods Sixty-six popliteal vein specimens were used for the study after routine dissection at the Department of Human Anatomy, University of Nairobi. The extents of the popliteal vein were identified at the adductor h...

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Bibliographic Details
Published in:Phlebology 2020-12, Vol.35 (10), p.799-804
Main Authors: Ouko, Innocent, Obimbo, Moses M, Kigera, James, Ogeng’o, Julius A
Format: Article
Language:English
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Summary:Objective To describe the relationship between number and distribution of valves. Methods Sixty-six popliteal vein specimens were used for the study after routine dissection at the Department of Human Anatomy, University of Nairobi. The extents of the popliteal vein were identified at the adductor hiatus and soleal arch, cut at these points and then longitudinally sliced open. The number and distribution of valves were then recorded. Data were presented using photomacrographs and tables. Results The median number of valves was 1 (mean 0.8; range 0–2), with the lower part of the popliteal vein as the most consistent valve position. Most striking was the valve absence noted in 27 (41%) of the veins. Conclusion These findings suggest that a significant proportion of popliteal veins do not have valves thus providing a credible structural link that may predispose the popliteal vein to deep venous thrombosis in the study population.
ISSN:0268-3555
1758-1125
DOI:10.1177/0268355520940453