Cargando…

Evaluation of the Influence of Short Tourniquet Ischemia on Tissue Oxygen Saturation and Skin Temperature Using Two Portable Imaging Modalities

Background: The exact influence of tourniquet ischemia on a treated extremity remains unclear. Methods: Twenty patients received an operation on one hand under tourniquet ischemia. Twenty healthy volunteers received 10 min of tourniquet ischemia on one of their arms. Measurements of tissue oxygen sa...

Descripción completa

Detalles Bibliográficos
Autores principales: Müller-Seubert, Wibke, Herold, Helen, Graf, Stephanie, Ludolph, Ingo, Horch, Raymund E.
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2022
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9457061/
https://www.ncbi.nlm.nih.gov/pubmed/36079169
http://dx.doi.org/10.3390/jcm11175240
_version_ 1784785963883429888
author Müller-Seubert, Wibke
Herold, Helen
Graf, Stephanie
Ludolph, Ingo
Horch, Raymund E.
author_facet Müller-Seubert, Wibke
Herold, Helen
Graf, Stephanie
Ludolph, Ingo
Horch, Raymund E.
author_sort Müller-Seubert, Wibke
collection PubMed
description Background: The exact influence of tourniquet ischemia on a treated extremity remains unclear. Methods: Twenty patients received an operation on one hand under tourniquet ischemia. Twenty healthy volunteers received 10 min of tourniquet ischemia on one of their arms. Measurements of tissue oxygen saturation using near-infrared reflectance-based imaging and skin temperature of the dorsum of the hand were performed at five different timepoints (t0 was performed just before the application of the tourniquet ischemia, t1 directly after the application of the tourniquet ischemia, t2 before the release of the ischemia, t3 directly after the release of the ischemia, and t4 on the following day). Results: In both groups, tissue oxygen saturation dropped after the application of the tourniquet ischemia compared to t0 and increased after the release of the tourniquet ischemia. In the patient group, tissue oxygen saturation at t4 was higher compared to t0; in contrast, the level of tissue oxygen saturation in the participant group dropped slightly at t4 compared to t0. The measured skin temperature in the patient group showed an increase during the observation period, while it continuously decreased in the group of healthy participants. Conclusions: Short-term ischemia did not appear to permanently restrict perfusion in this study design. The non-invasive imaging modalities used were easy to handle and allowed repetitive measurement.
format Online
Article
Text
id pubmed-9457061
institution National Center for Biotechnology Information
language English
publishDate 2022
publisher MDPI
record_format MEDLINE/PubMed
spelling pubmed-94570612022-09-09 Evaluation of the Influence of Short Tourniquet Ischemia on Tissue Oxygen Saturation and Skin Temperature Using Two Portable Imaging Modalities Müller-Seubert, Wibke Herold, Helen Graf, Stephanie Ludolph, Ingo Horch, Raymund E. J Clin Med Article Background: The exact influence of tourniquet ischemia on a treated extremity remains unclear. Methods: Twenty patients received an operation on one hand under tourniquet ischemia. Twenty healthy volunteers received 10 min of tourniquet ischemia on one of their arms. Measurements of tissue oxygen saturation using near-infrared reflectance-based imaging and skin temperature of the dorsum of the hand were performed at five different timepoints (t0 was performed just before the application of the tourniquet ischemia, t1 directly after the application of the tourniquet ischemia, t2 before the release of the ischemia, t3 directly after the release of the ischemia, and t4 on the following day). Results: In both groups, tissue oxygen saturation dropped after the application of the tourniquet ischemia compared to t0 and increased after the release of the tourniquet ischemia. In the patient group, tissue oxygen saturation at t4 was higher compared to t0; in contrast, the level of tissue oxygen saturation in the participant group dropped slightly at t4 compared to t0. The measured skin temperature in the patient group showed an increase during the observation period, while it continuously decreased in the group of healthy participants. Conclusions: Short-term ischemia did not appear to permanently restrict perfusion in this study design. The non-invasive imaging modalities used were easy to handle and allowed repetitive measurement. MDPI 2022-09-05 /pmc/articles/PMC9457061/ /pubmed/36079169 http://dx.doi.org/10.3390/jcm11175240 Text en © 2022 by the authors. https://creativecommons.org/licenses/by/4.0/Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
spellingShingle Article
Müller-Seubert, Wibke
Herold, Helen
Graf, Stephanie
Ludolph, Ingo
Horch, Raymund E.
Evaluation of the Influence of Short Tourniquet Ischemia on Tissue Oxygen Saturation and Skin Temperature Using Two Portable Imaging Modalities
title Evaluation of the Influence of Short Tourniquet Ischemia on Tissue Oxygen Saturation and Skin Temperature Using Two Portable Imaging Modalities
title_full Evaluation of the Influence of Short Tourniquet Ischemia on Tissue Oxygen Saturation and Skin Temperature Using Two Portable Imaging Modalities
title_fullStr Evaluation of the Influence of Short Tourniquet Ischemia on Tissue Oxygen Saturation and Skin Temperature Using Two Portable Imaging Modalities
title_full_unstemmed Evaluation of the Influence of Short Tourniquet Ischemia on Tissue Oxygen Saturation and Skin Temperature Using Two Portable Imaging Modalities
title_short Evaluation of the Influence of Short Tourniquet Ischemia on Tissue Oxygen Saturation and Skin Temperature Using Two Portable Imaging Modalities
title_sort evaluation of the influence of short tourniquet ischemia on tissue oxygen saturation and skin temperature using two portable imaging modalities
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9457061/
https://www.ncbi.nlm.nih.gov/pubmed/36079169
http://dx.doi.org/10.3390/jcm11175240
work_keys_str_mv AT mullerseubertwibke evaluationoftheinfluenceofshorttourniquetischemiaontissueoxygensaturationandskintemperatureusingtwoportableimagingmodalities
AT heroldhelen evaluationoftheinfluenceofshorttourniquetischemiaontissueoxygensaturationandskintemperatureusingtwoportableimagingmodalities
AT grafstephanie evaluationoftheinfluenceofshorttourniquetischemiaontissueoxygensaturationandskintemperatureusingtwoportableimagingmodalities
AT ludolphingo evaluationoftheinfluenceofshorttourniquetischemiaontissueoxygensaturationandskintemperatureusingtwoportableimagingmodalities
AT horchraymunde evaluationoftheinfluenceofshorttourniquetischemiaontissueoxygensaturationandskintemperatureusingtwoportableimagingmodalities