prevalence of pediculosis capitis in primary school students in Bahar, Hamadan province, Iran

Head lice infestation caused by Pediculus humanus var capitis [Pediculus capitis] is a worldwide public health concern that affects mostly school aged children. This descriptive, analytical study was carried out in 2008 to determine the prevalence of pediculosis capitis and some risk factors among primary-school pupils in Bahar, Hamadan Province, Iran. We selected 900 pupils [50% girls and 50% boys] from 18 primary schools by multistage, systematic random sampling. Their hair was examined for head louse infestation. The results and demographic information recorded in the questionnaire and then were analyzed by SPSS software. Twelve students [1.3%] were infected with lice, 10 [2.2%] girls and 2 [0.44%] boys. The rate of infection was 0.66% in urban and 1.66% in rural areas. The results showed significant variations in head lice infestation, and factors such as sex, level of parent education and habitat [P<0.05], while there was no significant variation between school grade, members of family and the frequency of hair washing [P> 0.05]. The prevalence of pediculosis was less than average percentages observed in other students inside and outside Iran. We recommend that the parents and teachers should receive training about the danger of infection and its distribution in family and school in order to prevent it

[ case report of late hemorrhagic disease of newborn]

Late hemorrhagic disease of Newborn [LADN] is a bleeding problem that occurs in the newborn between 2-8 weeks but can occur at anytime in the first year. In this report we introduce a 4.5 months girl with right lower extremity swelling and hematoma with limited motion and persistent crying. The patient was admitted to Imam Hossein hospital. In clinical examination, she had a 4x6cm tender mass in right lower extremity, without erythema or inflammation. Laboratory findings were Pt > 60", PTT > 180", PLT - 221000 and Hb - 10.8 mg/dl at the time of admission. In ultrasonography of mass, there was 20cc fluid without any solid material. She was treated with 2 g vitamin k injection and after surgical consultation the mass was drained. She discharged after 2 days of observation with the diagnosis of idiopathic type of LHDN