Effect of Occupational Exposure to Rayon Manufacturing Chemicals on Skin Barrier to Evaporative Water Loss

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概要

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• To evaluate the effects of the occupational exposure to rayon manufacturing chemicals (RMC, containing predominantly carbon disulfide (CS2) and minor sulfuric acid) in a rayon factory on the basal transepidermal water loss (TEWL), barrier integrity (Bl), and sequential increasing TEWL profiles. Six Thais and five Chinese workers in the spinning department of a rayon manufacturing plant and five healthy unexposed controls were recruited as the test subjects. An area of 4.5 × 5.5 cm on the mid-side of the volar forearm on the right hand was stripped by means of moderate pressure with commercially available adhesive tape by the same technician throughout the experiment. The skin was progressively stripped until glistening. TEWL was measured at every three and five tape strips on the right hand. The corresponding site on the left hand was measured parallel as the selfcontrol. We found significant differences in basal TEWL and in Bl between Chinese workers and Chinese controls, and between Thai workers and Chinese workers, respectively. Two-stage patterns of progressive TEWL profiles were found in such a chronic and repeated occupational exposure to RMC containing CS2. The occupational exposure to RMC could result in the perturbation of the skin barrier function. Basal TEWL might be more sensitive to chronic skin irritant exposure. The TEWL profile achieved to the glistening stage might be necessary to avoid erroneous pattern estimation. Due to the lack of Thais control in this study, the racial difference in response to the RMC warrants further study.

著者

• Chen Hong-i

  Dep. Of Surgery National Defense Medical Center

• Chang H‐y

  Graduate Institute Of Environmental & Occupational Health National Cheng Kung University Medical

• Chang Ho-yuan

  Department Of Environmental & Occupational Health College Of Medicine National Cheng Kung Univer

• Wu Jyun-de

  Department Of Occupational Safety And Health Chang Jung Christian University

• CHOU Tzu-Chieh

  Department of Environmental & Occupational Health, College of Medicine, National Cheng Kung Universi

• Shih Tung-sheng

  Institute Of Occupational Safety And Health Council Of Labor Affairs

• Chou Tzu-chieh

  Department Of Environmental And Occupational Health:institute Of Basic Medical Sciences

• TSAI Jui-Chen

  Institute of Clinical Pharmacy

• SHEU Hamm-Min

  Department of Dermatology, College of Medicine, National Cheng Kung University

• Sheu Hamm-min

  Department Of Dermatology College Of Medicine National Cheng Kung University

• Wu Jyun-De

  Department of Electronic Engineering, National Taiwan University of Science and Technology, Taipei 106, Taiwan

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