Double blind evaluation of the effects of various contrast media on extremity veins in the dog

F. Laerum, L. P. Dehner, J. Rysavy, K. Amplatz

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Abstract

Canine superficial extremity veins were examined grossly and microscopically in a double blind fashion for endothelial damage and phlebitis one hour and four days after the injection of ionic monomeric or dimeric, and non-ionic monomeric, 300 mg I/ml, contrast media. Superficial veins of all four extremities and the tail vein were injected with the same amounts of contrast medium after application of tourniquets for 20 minutes following the injections. Silver staining and prefixation of the veins were done in situ. The specimens were evaluated together with cross-sectioned, hematoxylin-eosin stained biopsies. On the basis of a randomized study of 77 dogs, endothelial damage or thrombosis caused by various contrast media as seen in man was not demonstrated. This may be due to species differences. It is postulated that canine endothelium may have a higher resistance to contrast medium injury than human endothelium.

Original languageEnglish
Pages (from-to)107-113
Number of pages7
JournalActa Radiologica
Volume28
Issue number1
DOIs
StatePublished - Jan 1987

Keywords

  • Contrast media
  • complications
  • dogs
  • phlebography
  • venous endothelium

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