Novel imaging methods reveal positive impact of topical negative pressure application on tissue perfusion in an in vivo skin model.
near infrared imaging
thermal imaging
tissue oxygen saturation
topical negative pressure application
Journal
International wound journal
ISSN: 1742-481X
Titre abrégé: Int Wound J
Pays: England
ID NLM: 101230907
Informations de publication
Date de publication:
Dec 2021
Dec 2021
Historique:
revised:
27
05
2021
received:
19
04
2021
accepted:
31
05
2021
pubmed:
16
6
2021
medline:
27
11
2021
entrez:
15
6
2021
Statut:
ppublish
Résumé
The influence of topical negative pressure application (TNPA) on tissue perfusion still remains controversial. TNPA was applied for 30 minutes on intact skin of 21 healthy participants. Measurements of tissue oxygen saturation and tissue temperature as signs of tissue perfusion were performed before application of the TNPA, directly after removal of the TNPA and 5, 10, 15, 20, and 30 minutes after removal of the dressing using the near infrared imaging (NIRI) and a thermal imaging camera. Tissue oxygen saturation showed an increase from 67.7% before applying the TNPA to 76.1% directly after removal of TNPA, followed by a decrease of oxygen saturation 30 minutes after removal of TNPA. The measured temperature of the treated skin area increased from 32.1°C to 36.1°C after removal of TNPA with a consecutive decrease of the temperature 30 minutes after removal. TNPA resulted in both a higher tissue oxygen saturation and a higher skin temperature after 30 minutes compared to the beginning. TNPA increases both tissue oxygen saturation and skin temperature as sign of an increase of tissue perfusion. NIRI and thermal imaging proved to be useful for measuring changes in tissue perfusion.
Identifiants
pubmed: 34128314
doi: 10.1111/iwj.13639
pmc: PMC8613388
doi:
Substances chimiques
Oxygen
S88TT14065
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
932-939Commentaires et corrections
Type : CommentIn
Informations de copyright
© 2021 The Authors. International Wound Journal published by Medicalhelplines.com Inc (3M) and John Wiley & Sons Ltd.
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