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Assessment of microcirculation of the skin using Tissue Viability Imaging: A promising technique for detecting venous stasis in the skin
Linköping University, Department of Clinical and Experimental Medicine, Division of Clinical Sciences. Linköping University, Faculty of Medicine and Health Sciences.
Linköping University, Department of Clinical and Experimental Medicine, Division of Clinical Sciences. Linköping University, Faculty of Medicine and Health Sciences.
Linköping University, Department of Clinical and Experimental Medicine, Division of Clinical Sciences. Linköping University, Faculty of Medicine and Health Sciences. Region Östergötland, Anaesthetics, Operations and Specialty Surgery Center, Department of Hand and Plastic Surgery.ORCID iD: 0000-0002-4245-7565
Linköping University, Department of Clinical and Experimental Medicine, Division of Clinical Sciences. Linköping University, Faculty of Medicine and Health Sciences. Region Östergötland, Center for Surgery, Orthopaedics and Cancer Treatment, Department of Radiation Physics.ORCID iD: 0000-0002-8387-0583
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2015 (English)In: Microvascular Research, ISSN 0026-2862, E-ISSN 1095-9319, Vol. 101, 20-25 p.Article in journal (Refereed) Published
Abstract [en]

Background: : Venous occlusion in the skin is difficult to detect by existing measurement techniques. Our aim was to find out whether Tissue Viability Imaging (TiVi) was better at detecting venous occlusion by comparing it with results of laser Doppler flowmetry (LDF) during graded arterial and venous stasis in human forearm skin. Methods: : Arterial and venous occlusions were simulated in 10 healthy volunteers by inflating a blood pressure cuff around the upper right arm. Changes in the concentration of red blood cells (RBC) were measured using TiVi, while skin perfusion and concentration of moving red blood cells (CMBC) were measured using static indices of LDF during exsanguination and subsequent arterial occlusion, postocclusive reactive hyperaemia, and graded increasing and decreasing venous stasis. Results: : During arterial occlusion there was a significant reduction in the mean concentration of RBC from baseline, as well as in perfusion and CMBC (p less than 0.008). Venous occlusion resulted in a significant 28% increase in the concentration of RBC (p = 0.002), but no significant change in perfusion (mean change -14%) while CMBC decreased significantly by 24% (p = 0.02). With stepwise increasing occlusion pressures there was a significant rise in the TiVi index and reduction in perfusion (p = 0.008), while the reverse was seen when venous flow was gradually restored. Conclusion: : The concentration of RBC measured with TiVi changes rapidly and consistently during both total and partial arterial and venous occlusions, while the changes in perfusion, measured by LDF, were less consistent This suggests that TiVi could be a more useful, non-invasive clinical monitoring tool for detecting venous stasis in the skin than LDF.

Place, publisher, year, edition, pages
Elsevier , 2015. Vol. 101, 20-25 p.
Keyword [en]
Tissue viability imaging; Laser Doppler flowmetry; Post-occusive hyperaemia; Venous occlusion; Arterial occlusion
National Category
Clinical Medicine
Identifiers
URN: urn:nbn:se:liu:diva-121302DOI: 10.1016/j.mvr.2015.06.002ISI: 000360028500004PubMedID: 26092681OAI: oai:DiVA.org:liu-121302DiVA: diva2:854302
Note

Funding Agencies|County Council of Ostergotland, Sweden [2014JZ0004]

Available from: 2015-09-16 Created: 2015-09-14 Last updated: 2017-12-04Bibliographically approved

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Bergkvist, MaxHenricson, JoakimIredahl, FredrikTesselaar, ErikSjöberg, FolkeFarnebo, Simon

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Bergkvist, MaxHenricson, JoakimIredahl, FredrikTesselaar, ErikSjöberg, FolkeFarnebo, Simon
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Division of Clinical SciencesFaculty of Medicine and Health SciencesDepartment of Hand and Plastic SurgeryDepartment of Radiation Physics
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