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Severe contusion of the femoral vessels in rats alters tissue oxygenation and microvascular blood flow regulation in the skeletal muscles of the limb
Linköping University, Faculty of Health Sciences. Linköping University, Department of Biomedicine and Surgery, Plastic Surgery, Hand Surgery and Burns. Östergötlands Läns Landsting, Reconstruction Centre, Department of Plastic Surgery, Hand surgery UHL.
Linköping University, Faculty of Health Sciences. Linköping University, Department of Biomedicine and Surgery, Plastic Surgery, Hand Surgery and Burns. Östergötlands Läns Landsting, Reconstruction Centre, Department of Plastic Surgery, Hand surgery UHL.
Linköping University, Faculty of Health Sciences. Linköping University, Department of Biomedicine and Surgery, Plastic Surgery, Hand Surgery and Burns. Östergötlands Läns Landsting, Reconstruction Centre, Department of Plastic Surgery, Hand surgery UHL.
Linköping University, Faculty of Health Sciences. Linköping University, Department of Medicine and Care, Anaesthesiology. Östergötlands Läns Landsting, MKC - Medicin och kirurgicentrum, Anestesi.
2000 (English)In: Journal of Trauma - Injury, Infection and Critical Care, ISSN 1079-6061, Vol. 48, no 2, 286-291 p.Article in journal (Refereed) Published
Abstract [en]

Background: Severe contusion of an artery often presents clinical problems in that it affects flow distal to the injury. However, the effect of a contusion on the microvascular flow regulation in the distal part of the limb is still largely unknown. Methods: A multipoint microelectrode technique was used to assess both tissue oxygenation (P(t)O2) and microflow (hydrogen clearance) on the skeletal muscle surface in a standard contusion injury to the femoral vessels in rats. Results: A significant increase in and an altered distribution of (P(t)O2) as well as a reduction in and altered distribution of microflow on the muscle surface distal to the injury was found in all animals (n = 27) compared with the uninjured control leg. These findings could not be reproduced experimentally by sympathectomy or when the adjacent skeletal muscle alone was injured. Conclusion: The results suggest that the changes observed distal to the injury are of vascular origin, possibly as a result of endothelial damage at the site of the contusion.

Place, publisher, year, edition, pages
2000. Vol. 48, no 2, 286-291 p.
National Category
Medical and Health Sciences
Identifiers
URN: urn:nbn:se:liu:diva-25038Local ID: 9463OAI: oai:DiVA.org:liu-25038DiVA: diva2:245364
Available from: 2009-10-07 Created: 2009-10-07 Last updated: 2011-01-14

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Karlander, Lars-ErikLidman, DisaSjöberg, Folke

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Faculty of Health SciencesPlastic Surgery, Hand Surgery and BurnsDepartment of Plastic Surgery, Hand surgery UHLAnaesthesiologyAnestesi
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