amoebic keratitis in iran (1997-2007)
نویسندگان
چکیده
background: amoebic keratitis introduced as a painful corneal infection which sometimes lead to poor vision and blind-ness. the main goal of this study was to report amoebic keratitis during ten years from 1997-2007 in patients who was sus-pected to have amoebic keratitis and referred to parasitology laboratory, school of public health, tehran univer¬sity of medical sciences, iran. other aim was to assess the major risk factor for developing this sight-threatening disease. comparison of lens culture and corneal scrapes culture also was performed. methods: during 1997-2007, 142 patients referred to dept. of medical parasitology, school of public health, tehran uni-versity of medical sciences, iran. details of each patient such as age, sex, history of contact lens wear, type of contact lens, clinical symptoms were recorded in questioners. keratitis was diagnosed on the basis of culture of lenses and/or corneal scrapes on non-nutrient agar overlaid with escherichia coli and direct microscopy of lenses and/or corneal scrapes. results: among 142 patients, 49 (34.5%) had amoebic keratitis. 73.46% of these patients were from tehran but there were a few cases from other cities. the commonest age was between 15-25 yr (75.5%) and more female (37:12) were identified then male. it is worth to mention that 44 patients (89.79%) were contact lens wearers who among them 41 patients (93.18%) wore soft contact lens and only three patients suffer from amoebic keratitis because of wearing hard contact lens. other finding of this study demonstrated that the most common sign of the patients was severe pain combined with photophobia. conclusion: this study indicates that acanthamoeba keratitis continue to rise in iran. this is due to increase frequency of lens wearers as well as consideration of ophthalmologist to acanthamoeba as an agent of keratitis and improvement of labo¬ratory methods. another finding of this research was the confirmation of soft contact lens as a major risk factor. it is rec¬ommended to educate contact lens wearers for regular disinfection. besides, culture of corneal scrapes was negative in most of cases, so lens culture were performed which had a much better result.
منابع مشابه
Amoebic keratitis: a clinicopathological case report.
A 22-year-old farmer with recurrent corneal erosions and keratoiritis underwent a penetrating keratoplasty. Investigations carried out on the corneal disc revealed an amoebic keratitis, which is considered to be a very rare condition.
متن کاملSuccessful treatment of Acanthamoeba keratitis without anti-amoebic agents.
Dear Editor, Acanthamoeba species are opportunistic pathogens that can cause life-threatening diseases in the immunocompromised host. In healthy individuals, Acanthamoeba can cause ulcerating keratitis, which is associated with the use of improperly sterilised contact lenses, trauma or washing with contaminated water.1 Reports have shown that the defenses of a healthy host seemed sufficient to ...
متن کاملBank Productivity in China 1997–2007: An Exercise in Measurement
This study examines the productivity growth of the nationwide banks of China and a sample of city commercial, banks for the eleven years to 2007. Estimates of total factor productivity growth are constructed with appropriate confidence intervals, using a bootstrap method for the Malmquist index. The study adjusts for the quality of the output by accounting for the non-performing loans on the ba...
متن کاملDrug related deaths in the Split-Dalmatia County 1997-2007.
Drug overdoses are a major cause of mortality for drug users and, in many countries, are the leading cause of death in this group. The aim of the present study is to explore the frequency of all drug related deaths in the Split-Dalmatia County in the period between 1997 and 2007 and to analyze some of the characteristics of these deaths to help target preventive policies. The data on drug relat...
متن کاملBody size changes in elite junior rowers: 1997 to 2007.
The aim of this study was to determine whether elite international junior rowers in 2007 were heavier and taller than those evaluated in 1997, and to compare this change among finalists and non-finalists, and sweep rowers and scullers. Body weight and height data obtained by a questionnaire from a total of 398 rowers (42% female, 58% male) at the Junior World Rowing Championships in Beijing, Pe...
متن کاملمنابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
عنوان ژورنال:
iranian journal of parasitologyجلد ۲، شماره ۳، صفحات ۱-۶
میزبانی شده توسط پلتفرم ابری doprax.com
copyright © 2015-2023