CLC number: R384.4; R757.3
On-line Access: 2024-08-27
Received: 2023-10-17
Revision Accepted: 2024-05-08
Crosschecked: 2011-11-18
Cited: 21
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Ya-e Zhao, Yan Peng, Xiang-lan Wang, Li-ping Wu, Mei Wang, Hu-ling Yan, Sheng-xiang Xiao. Facial dermatosis associated with Demodex: a case-control study[J]. Journal of Zhejiang University Science B, 2011, 12(12): 1008-1015.
@article{title="Facial dermatosis associated with Demodex: a case-control study",
author="Ya-e Zhao, Yan Peng, Xiang-lan Wang, Li-ping Wu, Mei Wang, Hu-ling Yan, Sheng-xiang Xiao",
journal="Journal of Zhejiang University Science B",
volume="12",
number="12",
pages="1008-1015",
year="2011",
publisher="Zhejiang University Press & Springer",
doi="10.1631/jzus.B1100179"
}
%0 Journal Article
%T Facial dermatosis associated with Demodex: a case-control study
%A Ya-e Zhao
%A Yan Peng
%A Xiang-lan Wang
%A Li-ping Wu
%A Mei Wang
%A Hu-ling Yan
%A Sheng-xiang Xiao
%J Journal of Zhejiang University SCIENCE B
%V 12
%N 12
%P 1008-1015
%@ 1673-1581
%D 2011
%I Zhejiang University Press & Springer
%DOI 10.1631/jzus.B1100179
TY - JOUR
T1 - Facial dermatosis associated with Demodex: a case-control study
A1 - Ya-e Zhao
A1 - Yan Peng
A1 - Xiang-lan Wang
A1 - Li-ping Wu
A1 - Mei Wang
A1 - Hu-ling Yan
A1 - Sheng-xiang Xiao
J0 - Journal of Zhejiang University Science B
VL - 12
IS - 12
SP - 1008
EP - 1015
%@ 1673-1581
Y1 - 2011
PB - Zhejiang University Press & Springer
ER -
DOI - 10.1631/jzus.B1100179
Abstract: Demodex has been considered to be related with multiple skin disorders, but controversy persists. In this case-control study, a survey was conducted with 860 dermatosis patients aged 12 to 84 years in Xi’an, China to identify the association between facial dermatosis and Demodex. Amongst the patients, 539 suffered from facial dermatosis and 321 suffered from non-facial dermatosis. Demodex mites were sampled and examined using the skin pressurization method. Multivariate regression analysis was applied to analyze the association between facial dermatosis and Demodex infestation, and to identify the risk factors of Demodex infestation. The results showed that total detection rate of Demodex was 43.0%. Patients aged above 30 years had higher odds of Demodex infestation than those under 30 years. Compared to patients with neutral skin, patients with mixed, oily, or dry skin were more likely to be infested with Demodex (odds ratios (ORs) were 2.5, 2.4, and 1.6, respectively). Moreover, Demodex infestation was found to be statistically associated with rosacea (OR=8.1), steroid-induced dermatitis (OR=2.7), seborrheic dermatitis (OR=2.2), and primary irritation dermatitis (OR=2.1). In particular, ORs calculated from the severe infestation (≥5 mites/cm2) rate were significantly higher than those of the total rate. Therefore, we concluded that Demodex is associated with rosacea, steroid-induced dermatitis, seborrheic dermatitis, and primary irritation dermatitis. The rate of severe infestation is found to be more correlated with various dermatosis than the total infestation rate. The risk factors of Demodex infestation, age, and skin types were identified. Our study also suggested that good hygiene practice might reduce the chances of demodicosis and Demodex infestation.
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