Visualising skin perfusion in isolated human abdominal skin flaps using dynamic infrared thermography and indocyanine green fluorescence video angiography

Visualising skin perfusion in isolated human abdominal skin flaps using dynamic infrared... This experimental study compared the direct technique indocyanine green fluorescence angiography (ICG-FA) and the indirect technique dynamic infrared thermography (DIRT) for visualising skin perfusion. Eight isolated human transverse abdominal skin flaps, obtained from female patients undergoing abdominoplasty, were used. A total of 19 selected vessels were individually perfused. Warm and cold perfusate was used for visualising skin perfusion with DIRT. Both techniques were tested for repeatability, making up a total of 34 perfusions. Qualitative analysis of the rate and pattern of perfusion visualised by both techniques was carried out. The extent of the perfused area indicated by the indirect DIRT technique corresponded well with the perfused area indicated by the direct ICG-FA technique. The appearance of distinct hot spots in the IR images provided additional information on the distribution of perforating vessels. It is concluded that in experimental situations the non-invasive DIRT technique is a good alternative to the invasive ICG-FA technique for visualising skin perfusion. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png European Journal of Plastic Surgery Springer Journals

Visualising skin perfusion in isolated human abdominal skin flaps using dynamic infrared thermography and indocyanine green fluorescence video angiography

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Publisher
Springer Journals
Copyright
Copyright © 2008 by Springer-Verlag
Subject
Medicine & Public Health; Plastic Surgery
ISSN
0930-343X
eISSN
1435-0130
D.O.I.
10.1007/s00238-008-0280-9
Publisher site
See Article on Publisher Site

Abstract

This experimental study compared the direct technique indocyanine green fluorescence angiography (ICG-FA) and the indirect technique dynamic infrared thermography (DIRT) for visualising skin perfusion. Eight isolated human transverse abdominal skin flaps, obtained from female patients undergoing abdominoplasty, were used. A total of 19 selected vessels were individually perfused. Warm and cold perfusate was used for visualising skin perfusion with DIRT. Both techniques were tested for repeatability, making up a total of 34 perfusions. Qualitative analysis of the rate and pattern of perfusion visualised by both techniques was carried out. The extent of the perfused area indicated by the indirect DIRT technique corresponded well with the perfused area indicated by the direct ICG-FA technique. The appearance of distinct hot spots in the IR images provided additional information on the distribution of perforating vessels. It is concluded that in experimental situations the non-invasive DIRT technique is a good alternative to the invasive ICG-FA technique for visualising skin perfusion.

Journal

European Journal of Plastic SurgerySpringer Journals

Published: Oct 1, 2008

References

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