Assessment of skin impedance in radiofrequency therapy : a study utilizing unique electrode form for cutaneous Leishmaniasis treatment

Häusler, Ian Caetano; Paparo, Davide; Fehr, Daniel; Hagen, Raphael; Velez Mestre, Marta Sofia; Bonmarin, Mathias

Publication type:	Conference paper
Type of review:	Peer review (publication)
Title:	Assessment of skin impedance in radiofrequency therapy : a study utilizing unique electrode form for cutaneous Leishmaniasis treatment
Authors:	Häusler, Ian Caetano Paparo, Davide Fehr, Daniel Hagen, Raphael Velez Mestre, Marta Sofia Bonmarin, Mathias
et. al:	No
Conference details:	IEEE International Humanitarian Technologies Conference (IHCT), Cartagena, Colombia, 1-3 November 2023
Issue Date:	2024
Language:	English
Subjects:	Radiofrequency; Therapy device; United Nations’ sustainable development goal
Subject (DDC):	610: Medicine and health 615: Pharmacology and therapeutics
Abstract:	This study aims to investigate the impact of electrode shape and positioning on skin impedance measurements, with a focus on a specific radiofrequency therapy device developed in-house for treating cutaneous Leishmaniasis. The study involved 22 volunteers of mixed genders, whose skin impedance was measured in the frequency range of 1~MHz to 10~MHz using the device's uniquely shaped, dry-applied electrodes. Additional measurements were conducted to record skin moisture, surface temperature, and personal parameters of the subjects, which were later used in correlation analysis. While the resistivity values from this study were found to be in alignment with those reported in the existing literature, it is positioning of the electrodes that significantly impacted the skin impedance measurements. Correlations were identified between the skin moisture and average phase shift in facial and forearm measurements and between the average magnitude and phase shift depending on the measurement site. Furthermore, a correlation was observed between the Cole series resistances of the facial and forearm skin. The study does not find a significant influence of gender, age, skin color, ethnicity, or Body Mass Index on the impedance measurements within the tested frequency range. This research enhances our understanding of skin impedance measurements using unique electrode designs and contributes to refining the design of radiofrequency therapy systems.
URI:	https://digitalcollection.zhaw.ch/handle/11475/30498
Fulltext version:	Published version
License (according to publishing contract):	Licence according to publishing contract
Departement:	School of Engineering
Organisational Unit:	Institute of Computational Physics (ICP)
Published as part of the ZHAW project:	DermatoTherma
Appears in collections:	Publikationen School of Engineering

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Häusler, I. C., Paparo, D., Fehr, D., Hagen, R., Velez Mestre, M. S., & Bonmarin, M. (2024). Assessment of skin impedance in radiofrequency therapy : a study utilizing unique electrode form for cutaneous Leishmaniasis treatment. IEEE International Humanitarian Technologies Conference (IHCT), Cartagena, Colombia, 1-3 November 2023.

Häusler, I.C. et al. (2024) ‘Assessment of skin impedance in radiofrequency therapy : a study utilizing unique electrode form for cutaneous Leishmaniasis treatment’, in IEEE International Humanitarian Technologies Conference (IHCT), Cartagena, Colombia, 1-3 November 2023.

I. C. Häusler, D. Paparo, D. Fehr, R. Hagen, M. S. Velez Mestre, and M. Bonmarin, “Assessment of skin impedance in radiofrequency therapy : a study utilizing unique electrode form for cutaneous Leishmaniasis treatment,” in IEEE International Humanitarian Technologies Conference (IHCT), Cartagena, Colombia, 1-3 November 2023, 2024.

HÄUSLER, Ian Caetano, Davide PAPARO, Daniel FEHR, Raphael HAGEN, Marta Sofia VELEZ MESTRE und Mathias BONMARIN, 2024. Assessment of skin impedance in radiofrequency therapy : a study utilizing unique electrode form for cutaneous Leishmaniasis treatment. In: IEEE International Humanitarian Technologies Conference (IHCT), Cartagena, Colombia, 1-3 November 2023. Conference paper. 2024

Häusler, Ian Caetano, Davide Paparo, Daniel Fehr, Raphael Hagen, Marta Sofia Velez Mestre, and Mathias Bonmarin. 2024. “Assessment of Skin Impedance in Radiofrequency Therapy : A Study Utilizing Unique Electrode Form for Cutaneous Leishmaniasis Treatment.” Conference paper. In IEEE International Humanitarian Technologies Conference (IHCT), Cartagena, Colombia, 1-3 November 2023.

Häusler, Ian Caetano, et al. “Assessment of Skin Impedance in Radiofrequency Therapy : A Study Utilizing Unique Electrode Form for Cutaneous Leishmaniasis Treatment.” IEEE International Humanitarian Technologies Conference (IHCT), Cartagena, Colombia, 1-3 November 2023, 2024.