Special paper / Method’s evaluation
System for monitoring UV radiation level in phototherapy cabins in Poland
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Submission date: 2012-06-27
Final revision date: 2012-09-16
Acceptance date: 2012-10-10
Online publication date: 2014-12-22
Publication date: 2014-12-17
Arch Med Sci 2014;10(6):1244–1254
Introduction: Ultraviolet phototherapy (UVP) is widely used in dermatological practice for the treatment of various skin diseases. Numerous studies support its beneficial curing effectiveness; however, overexposure to ultraviolet radiation can cause adverse health effects, such as sunburn reaction, erythema response, cataract, skin aging, etc. For these reasons, it is of special importance to monitor performance of UVP cabins using a calibration system to evaluate the UV doses incident upon the patient.
Material and methods: A mechanized cabin control system (CCS) is proposed. It consists of radiometers with a wide and narrow field of view to estimate the body irradiation and to identify malfunctioning cabin tubes. Quality control and quality assurance procedures are developed to keep high accuracy of the calibration procedure. The CCS has been used in the examination of two different types of UVP cabins routinely working in Poland.
Results: It allows precise calculation of UV doses and spatial variability of UV radiance inside the cabin, thus providing uncertainties of the doses assigned by medical staff. The CCS could potentially serve as a primary standard for monitoring various UVP cabins working in Poland.
Conclusions: The methodology developed to quantify UV doses in UVP cabins may be easily extended to any UV radiation source.