TY - JOUR T1 - A comparative study on the effectiviness of three different shampooes in treatment of head lice (pediculus capitis) in primery school-children in Hamadan province, IRAN 2000-2001 TT - ارزشیابی سه نوع شامپو دفنوترین 0.2 درصد، پرمترین 1 درصد و لیندین 1 درصد در درمان آلودگی به شپش سر در دانش آموزان دختر مدارس ابتدایی JF - J-Mazand-Univ-Med-Sci JO - J-Mazand-Univ-Med-Sci VL - 15 IS - 49 UR - http://jmums.mazums.ac.ir/article-1-786-en.html Y1 - 2005 SP - 16 EP - 24 KW - Head lice KW - Girl students KW - Therapy KW - Shampoo N2 - Background and purpose: Head lice infestation caused by Pediculus capitis and its treatment is a worldwide and historical concern. Materials and methods: This study has been done with cooperation with the health’s deputy of medical sciences university in different cities of Hamadan province in 2000-2001. Screening was done in 120 girl’s elementary schools during which 7291 students were examined for head lice infestation. About 13.5% (975) of the girls were detected with head lice. The infested girls were divided into three treatment groups with three kinds of shampooes containing pediculicide and one control group with ordinary shampoo (placebo). In a randomized evaluator, blind clinical trial to compare pediculicidal and ovicidal effects of shampooes against head lice, the participants assigned to groups to use the shampooes based on manufacture’s instructions and followed up three weeks after treatment. Statistical analyses were done by X2 test and line logarithmic procedure. Results: The results show that cure rates (no live adult and nymph of lice were seen on physical re-examination of scalp(, at the end of the first week were 29,36, 34 and 15 percent for d-phenothrin 0.2%, lindane 1% , permethrin1% and placebo respectively. These cure rates for treatment shampooes showed significant differences when compared to placebo (0.0010.05). but at the end of the third week, the cure rates for the three mentioned shampooes were 88, 88 and 87 percent and also there is no statisticall differences in their efficacy. It should be noted that the results of ordinary shampoo is just for the first week after usage. Line logarithmic analysis of results shows that efficacy of different pediculicide shampoo (p value=0.58) in different times (p value=0.25) have no difference. but the cure rate of cases varied three weeks after treatment. (p value M3 ER -