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目的为了解本校医学生蠕形螨感染情况,探讨蠕形螨感染的相关因素,为蠕形螨的预防提供科学的依据。方法用透明胶纸粘贴过夜法对学生进行蠕形螨感染调查,同时对他们进行基本情况、生源地、脸部皮肤性质、脸部皮肤疾患状况、卫生习惯的问卷调查。结果蠕形螨总感染率为18.97%(77/406),男生、女生感染率分别为20.43%(47/230)和17.05%(30/176),两者差异无统计学意义(χ2=0.75,P>0.05)。城市学生感染率为15.60%(22/141),农村学生感染率为20.75%(55/265),两者差异无统计学意义(χ2=1.59,P>0.05)。脸部皮肤性状油性者感染率为24.75%(49/198),中性者感染率为15.00%(21/140),干性者感染率为10.29%(7/68),不同皮肤性状者蠕形螨感染率差异有统计学意义(χ2=9.05,P<0.01)。脸部皮肤正常者181人,蠕形螨感染阳性23人,感染率为12.71%(23/181),有脸部皮肤疾病者感染率为24.00%(54/225),两者差异有统计学意义(χ2=8.32,P<0.01)。常与他人混用洗具者感染率为29.23%(19/65),不与他人混用洗具者感染率为17.01%(58/341),两者差异有统计学意义(χ2=5.31,P<0.05)。常用肥皂或洗脸液洗脸者感染率为16.29%(43/264),不用或很少用肥皂或洗脸液洗脸者,感染率为23.94%(34/142),两者差异无统计学意义(χ2=3.52,P>0.05)。结论蠕形螨的感染与脸部皮肤性状、脸部皮肤疾病、卫生习惯密切相关,学生应该科学保养皮肤、改变不良卫生习惯。
Objective To understand the status of Demodex infection in our medical students and to explore the related factors of Demodex infection and provide a scientific basis for the prevention of Demodex. Methods The method of pasting overnight with transparent adhesive tape was used to investigate the infection of Demodex mites. At the same time, we conducted a questionnaire survey on the basic conditions, the origin of the skin, the nature of the facial skin, the condition of the facial skin and the hygiene habits. Results The total infection rate of Demodex mites was 18.97% (77/406). The infection rates of boys and girls were 20.43% (47/230) and 17.05% (30/176) respectively, with no significant difference (χ2 = 0.75 , P> 0.05). The prevalence rate of urban students was 15.60% (22/141) and that of rural students was 20.75% (55/265). There was no significant difference between the two groups (χ2 = 1.59, P> 0.05). Infected rate of facial skin was 24.75% (49/198), neutral infection rate was 15.00% (21/140), dry infection rate was 10.29% (7/68), different skin traits Acanthamoebae infection rate difference was statistically significant (χ2 = 9.05, P <0.01). 181 with normal facial skin, 23 with positive demodex infection, the infection rate was 12.71% (23/181), the infection rate with facial skin disease was 24.00% (54/225), the difference was statistically significant Significance (χ2 = 8.32, P <0.01). The rate of infection was 29.23% (19/65) when mixed with others and 17.01% (58/341) when mixed with other people, the difference was statistically significant (χ2 = 5.31, P < 0.05). Common soap or wash face wash infection rate was 16.29% (43/264), no or little face wash with soap or wash fluid, the infection rate was 23.94% (34/142), the difference was not statistically significant (χ2 = 3.52, P> 0.05). Conclusion Demodex infection is closely related to facial skin characteristics, facial skin diseases and hygiene habits. Students should scientifically maintain the skin and change bad hygiene habits.