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Electromagnetic Sensing Techniques for Monitoring Atopic Dermatitis-Current Practices and Possible Advancements: A Review

期刊

SENSORS
卷 23, 期 8, 页码 -

出版社

MDPI
DOI: 10.3390/s23083935

关键词

electromagnetic sensing; flexible wearable sensors; telemedical sensors; non-invasive monitoring; atopic dermatitis; transepidermal water loss; interdigitated capacitive sensor; neural networks; radio frequency reflectometry; near-infrared range spectroscopy

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Atopic dermatitis (AD) is a prevalent skin disorder, particularly in children and adolescents, with current assessment methods relying on visual examination by clinicians. However, this approach is subjective and limited. Digital sensing technologies offer a potential solution for accurate and empirical evaluation of AD, allowing for global access. This review focuses on current medical practices, alternative digital evaluation methods, and potential future technologies to develop an AD monitoring device.
Atopic dermatitis (AD) is one of the most common skin disorders, affecting nearly one-fifth of children and adolescents worldwide, and currently, the only method of monitoring the condition is through an in-person visual examination by a clinician. This method of assessment poses an inherent risk of subjectivity and can be restrictive to patients who do not have access to or cannot visit hospitals. Advances in digital sensing technologies can serve as a foundation for the development of a new generation of e-health devices that provide accurate and empirical evaluation of the condition to patients worldwide. The goal of this review is to study the past, present, and future of AD monitoring. First, current medical practices such as biopsy, tape stripping and blood serum are discussed with their merits and demerits. Then, alternative digital methods of medical evaluation are highlighted with the focus on non-invasive monitoring using biomarkers of AD-TEWL, skin permittivity, elasticity, and pruritus. Finally, possible future technologies are showcased such as radio frequency reflectometry and optical spectroscopy along with a short discussion to provoke research into improving the current techniques and employing the new ones to develop an AD monitoring device, which could eventually facilitate medical diagnosis.

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