The relation between smoke and catarrhal otitis media

The influence of smoke on otitis media was investigated on 1168 children from 1 to 15 years old of age in Trung Tu and Kim Lien Quarters (Ha Noi) from July 2000 to 2001. The interview was performed on their parents with a questionary of 19 issues concerning the risk factor of otitis media, the examination of ENT and the measuring of ear volume were exerted by two times in all subjects during the period of 1 year. Results showed a prevalence of 8,9% of otitis media in Ha Noi children, the rate of boys is higher than that of girls. Smoke and environment pollution is one of the risk factors of high pulmonary tract infection and of catarrhal otitis media

The relation between secretory otitis media and breast feeding

Among 773 children are diverse kindergartens and maternal school in Hanoi the prevalence of secretory otitis media, in winter is 18.49%, summer 11.25%, chronical – in both winter and summer 10.34%, in boys 53.75%, higher than girls 6.25%. The prevalence in breastfeeding infants lower significantly than in bottle feeding ones (9.78% versus 21.62%)

Epidemiologic characteristics of catarrhal media otitis in children of preschool age in some kindergarten in Ha Noi

Study was carried out at some kindergarten with 773 children of 1-5 years old of age. Results showed an incidence of catarrhal media otitis of 10.34%. This incidence trends to increased in the lower age with a peak of 12.21% at the age of 2, then diminished gradually. The gender rate is 53.75% in boys comparing with 46.25% in girls. In 75.60% patients the condition occurred in both sides of two ears and in the case of unilateral development, the rate is 70.27% in the left in comparing with 29.73% in right ear

The influence of upper respiratory tract infection to effusive otitis media

Study performed with 1168 children aged 1-15 in some kindergarten and maternal school, primary school and secondary school in the commune Trung Tu, Kim Lien – District Dong Da – Ha Noi had showed that 8,9% children had effusive otitis media. In the group of children with VA, the incidence of effusive otitis media was higher than in the group without VA (13,74% vs 8,01%). In the group of children with tonsilitis, the incidence of effusive otitis media was higher than in the group without tonsilitis (15,69% vs 8,26%)