Prevalence of Epidemic Keratoconjunctivitis in Chum-Pae Hostipal, Khonkaen province.
Abstract
Background : Epidemic keratoconjunctivitis is an extremely frequent ophthalmological disease. It is caused by adenoviruses that are highly resistant to environmental influences and are transmitted from person to person by way of infectious secretions.
objective : this study is to determine the prevalence of Epidemic Keratoconjunctivitis and the relationship between risk factors of Epidemic keratoconjuntivitis(EKC) and visual outcomes.
Methods : Retrospective descriptive study. Medical records of the patients with diagnosis of Epidemic keratoconjunctivitis in Outpatient department of ophthalmology, Chumphae Hospital during January 2011 to December 2015 were review retrospectively.
Results : there were 177 males 231. The average age is 33.46 years old and the most common age group was 31-40 years(29.9%). The farmer was the most career to be involved 145 cases (35.5%) followed by the freelancer 143 cases(35.0%)respectively. The highest incidence of EKC is during July to October 347 cases(85.0%) with the peak at September 141 cases (34.6%) followed by August 120 cases (29.4%). The risk factors of Epidemic keratoconjunctivitis were found in 120 cases(29.4%).Risk factors included dust, soil, scrap iron, insect 60 cases(50.0%); dirty water or mud exposure 28 cases(23.3%); branch, leaf 24 cases(20.0%) and irritation from eyelash 8 cases (6.6%).The relationship between the risk factors and visual outcomes was determined among 220 patients of treated patients who had kept appointments. For 140 patients who had no precipitating risk factors, visual outcomes were better/or stable in 130 cases(92.8%) and worse in 10 cases(7.1%). Whereas, 80 patients with risk factors, visual outcomes were better/or stable in 66 cases(82.5%) and worse in 14 cases(17.5%). The results of analyzing of relationship between the risk factors and the visual outcomes after treatment were related at 0.05 level of significance.
Conclusions : EKC is most commonly found in rainy season, predominantly in female with high incidence in working-age group. The patients who had no precipitating risk factors predicting better visual outcomes and risk factors we found was related to their occupation.
Keywords : Epidemic keratoconjunctivitis(EKC), Risk factors
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