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Factors affecting intraosseous pressure measurement.

Michael BeverlyDavid Murray
Published in: Journal of orthopaedic surgery and research (2018)
Our study shows that subchondral cancellous bone behaves as a perfused tissue and that IOP is mainly a reflection of arterial supply. A single measure of IOP is variable and reflects only perfusion at the needle tip rather than being a measure of venous back pressure. Alternate proximal vessel clamping offers a new means of exploring the physiology of subchondral perfusion. We describe a model that will allow further study of IOP such as during loading.
Keyphrases
  • magnetic resonance imaging
  • contrast enhanced