Authors: Lindgren, Margareta; Malmqvist, Lars-Åke¹; Sjöberg, Folke²; Ek, Anna-Christina³

Source: International Wound Journal, Volume 3, Number 3, September 2006 , pp. 215-223(9)

Publisher: Wiley-Blackwell

Abstract:

Lindgren M, Malmqvist L-Å, Sjöberg F, Ek A-C. Altered skin blood perfusion in areas with non blanchable erythema: an explorative study. Int Wound J 2006;3:215-223. Abstract

Non blanchable erythema, i.e. stage I pressure ulcer, is common in patients in acute and geriatric care and in nursing homes. Research has shown that this type of lesions is prone to develop into more severe pressure ulcers. The peripheral skin blood perfusion is of major importance for the development of pressure ulcers. The aim of this study was to explore the peripheral skin blood perfusion over time, in areas with non blanchable erythema and in corresponding undamaged areas on the opposite side of the body. A total of 19 measurements were performed, over time, using a laser Doppler perfusion imager. The blood flow distribution profiles over areas with non blanchable erythema and undamaged skin were found to be different. As the area of the non blanchable erythema decreased, the blood perfusion distribution profiles gradually became more heterogeneous; an area of high blood perfusion in the centre of the lesions was seen and the perfusion successively decreased closer to the edge. These results indicate that there are differences in blood perfusion between skin areas of non blanchable erythema and undamaged skin. The results also indicate that the visible redness in areas with non blanchable erythema is related to altered blood perfusion. The skin blood perfusion also seems to increase in relation to the size of the non blanchable erythema.

Keywords: Non blanchable erythema; Pressure relief; Pressure ulcer; Skin blood flow; Skin blood perfusion

Document Type: Original article

DOI: http://dx.doi.org/10.1111/j.1742-481X.2006.00238.x

Affiliations: 1: L-Å Malmqvist, PhD, Department of Medicine and Care, Division of Nursing Science, Faculty of Health Sciences, Linköpings universitet, Linköping, Sweden 2: F Sjöberg, Professor, Department of Plastic Surgery, Handsurgery and Burns and Department of Anaesthesiology and Intensive Care, University Hospital, Linköping, Sweden 3: A-C Ek, Professor, Department of Medicine and Care, Division of Nursing Science, Faculty of Health Sciences, Linköpings universitet, Linköping, Sweden, and Department of Medicine and Care, Division of Emergency Medicine, University Hospital, Linköping, Sweden

Publication date: 2006-09-01

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