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Open Access 01-12-2019 | Wound Healing Disorder | Research

Wound monitoring of pH and oxygen in patients after radiation therapy

Authors: Steffen Auerswald, Stephan Schreml, Robert Meier, Alexandra Blancke Soares, Maximilian Niyazi, Sebastian Marschner, Claus Belka, Martin Canis, Frank Haubner

Published in: Radiation Oncology | Issue 1/2019

Abstract

Objectives

Postradiogenic wound healing disorders are an important clinical problem. While a variety of treatment modalities are available, there is no strategy to objectively judge treatment success. The aim of this study was to evaluate a 2D luminescence imaging system for pH and oxygen in non-healing wounds after radiotherapy.

Methods

Luminescence 2D imaging was performed with the VisiSens (Presens, Regensburg, Germany) 2D imaging systems A1 and A2 for oxygen and pH, respectively. Biocompatible planar luminescent sensor foils were applied to non-irradiated and irradiated skin as well as to radiogenic wounds of five patients and the pH and the oxygen saturation was determined.

Results

pH measurements showed significant differences between non-irradiated skin (6.46 ± 0.18) and irradiated skin (6.96 ± 0.26). Radiogenic wounds exhibited the highest pH values (7.53 ± 0.26). Oxygen measurements revealed a mean oxygen saturation of non-irradiated skin of 6.19 ± 0.83 mmHg. The highest value of oxygen saturation (28.4 ± 2.4 mmHg) was found on irradiated skin while irradiated wounds had a poor oxygen saturation (9.4 ± 2.2 mmHg) (mean ± s.e.m.).

Conclusion

We found that routine measurement of pH and pO2 in patients could be easily integrated into the clinical routine. The results of the measurements show unfavorable pH and oxygen saturation conditions for wound healing in irradiated wounds. Interestingly, irradiated wounds exhibit a more pronounced hypoxia than irradiated skin which is reflected by an altered pH and pO2 compared to unirradiated skin, which has the potential to serve as a prognostic marker in the future. In addition to the objectification of the treatment success of postradiogenic wound healing disorders, the extent of skin toxicity could already be predicted during radiotherapy with this method.

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Title: Wound monitoring of pH and oxygen in patients after radiation therapy
Authors: Steffen Auerswald
Stephan Schreml
Robert Meier
Alexandra Blancke Soares
Maximilian Niyazi
Sebastian Marschner
Claus Belka
Martin Canis
Frank Haubner
Publication date: 01-12-2019
Publisher: BioMed Central
Keywords: Wound Healing Disorder
Radiotherapy
Published in: Radiation Oncology / Issue 1/2019
Electronic ISSN: 1748-717X
DOI: https://doi.org/10.1186/s13014-019-1413-y

Keynote webinar | Spotlight on sleep in brain health

Springer Medicine

Wound monitoring of pH and oxygen in patients after radiation therapy

Abstract

Objectives

Methods

Results

Conclusion

Keynote webinar | Spotlight on sleep in brain health

Springer Medicine

Abstract

Objectives

Methods

Results

Conclusion

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