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Experimental Osteoarthritis in the Rabbit

II. A New Method to Estimate the Oxygen Consumption and Diffusion Capacity tn the Synovial Membrane of the Knee

Eksperimentel osteoartritis hos kaniner. II. En ny metode til bestemmelse af synovialmembranens diffusionskapacitet og metabolisme

Acta Veterinaria Scandinavica volume 26, pages 326–339 (1985)Cite this article

Abstract

The oxygen supply to the joint cartilage depends on the oxygen transport from the capsular arteries to the capillaries, the oxygen diffusion across the synovial membrane and the oxygen transport through the synovia. In osteoarthritis the resistance to transport across all 3 barriers may be increased because of the joint effusion, the elevated intraarticular pressure and the inflammatory changes of the synovial membrane.

In the present study we describe a method to determine 2 important parameters affecting the oxygen transport through the synovial membrane: the oxygen consumption and diffusion capacity of the membrane. The principle of the method is to perfuse the joint cavity of the knee by saline saturated with air and to record the relationship between the oxygen partial pressure in the outflowing perfusate and the perfusion rate.

The values found for the diffusion capacity and oxygen consumption were 0.039 ± 0.013 μl O2/min/Torr and 0.93 ± 0.90 μl O2/min (mean ± s).

Sammendrag

Iltforsyningen til den hyaline ledbrusk er afhængig af transport fra kapselarterierne til kapillærerne, diffusion over synovialmembranen, samt transport gennem synovi. Osteoartritis og andre effusive ledlidelser kan hypotetisk medføre en nedsat ilt overførsel over alle tre barrierer. I nærværende arbejde redegøres for en ny metode baseret på ledperfusion til bestemmelse af synovialmembranens metabolisme og diffusionskapacitet in vivo.

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Authors and Affiliations

  1. Institute of Surgery, Royal Veterinary and Agricultural University, Bülowsvej 13, DK-1870, Frederiksberg G, Denmark

    Eiliv Svalastoga & Jørgen Grønlund

  2. Institute of Physiology, Odense University, Odense, Denmark

    Eiliv Svalastoga & Jørgen Grønlund

Authors
  1. Eiliv Svalastoga
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  2. Jørgen Grønlund
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Svalastoga, E., Grønlund, J. Experimental Osteoarthritis in the Rabbit. Acta Vet Scand 26, 326–339 (1985). https://doi.org/10.1186/BF03546533

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Acta Veterinaria Scandinavica

ISSN: 1751-0147