Differences in chronic otitis media between rural and urban Eskimo children: a comparative study.
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An inhalant use survey was administered to 376 school children in 14 isolated villages. Questions in the survey elicited gender and ethnic distribution, frequency and duration of use, age of onset, reasons for using and inhalant of choice. These characteristics were further examined by dividing users into 2 groups based on use frequency and duration, i.e., Light Users and Heavy Users. Lifetime prevalence was 48%. Most inhalant use appeared to be sporadic, transient and occurring in social context. Heavy Users differed from Light Users in that they were more likely to be male, have an earlier age of onset, have different ethnic distribution and use inhalants in response to affect. These children may represent an inhalant dependent subgroup. This finding of user heterogeneity has important implications for the development of effective prevention and treatment programs.
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A unilateral foot deformity in an archaeological specimen from Point Hope, Alaska, is presented. Radiographic and gross examination of the bones of the malformed left foot suggests that this adult female suffered from a rare and possibly unique limb deficiency presenting as unilateral congenital absence of the phalanges, synostosis and hypoplasia of the metatarsals, and mild hypoplasia of the calcaneus.
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One hundred and two cases of inactive tuberculosis, 165 positive tuberculin reactors and 103 previous BCG vaccinated individuals showing large tuberculin reactions were placed on the completely supervised regimen consisting of isoniazid and ethambutol given three times a week. Over 90% of these individuals completed 18 months' treatment. There were no active cases of tuberculosis among the treated groups during the observation period averaging 34.8 months. The control groups consisting of 217 individuals had 9 cases of active tuberculosis giving an annual risk of developing the disease of 1.8 per 1000.
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