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2013, Number 1

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Rev Cubana Med Trop 2013; 65 (1)

Epidemiological findings in intestinal parasitic infections from a group of hospitalized children with diarrhea

Núñez FFÁ, Hernández PSM, Ayllón VLL, Alonso MMT

Language: Spanish
References: 29
Page: 26-35
PDF size: 112.41 Kb.


ABSTRACT

Introduction: acute diarrhea is a major cause of mortality in developing countries, and children aged less than five years are the most affected. Despite of decreasing mortality rates in Cuba, this illness may be an important health problem in some periods of the year. Among the groups of biological agents found in children with diarrhea are the parasites but their role as etiological agent is not always well recognized.
Objective: to determine some epidemiological characteristics of parasitic infections in hospitalized children due to diarrhea.
Methods: an observational descriptive study was performed on children who had diarrhea and were admitted to the gastroenterology service ward in "William Soler" pediatric hospital in Havana from November 2006 to October 2007. Their stool samples were collected for parasitological studies, and some questionnaires were filled out with corresponding clinical and epidemiological data.
Results: the frequency of protozoan infections was higher than that of helminthic ones for all the age groups(p< 0.01), and children aged over 2 years was the most frequently infected with all types of parasites in general (68.52 %), and with Giardia lamblia (35.18 %) in particular whereas the infant group was the less frequently infected with intestinal parasites (18.18 %). The infections caused by protozoa and by Entamoeba histolytica/Entamoeba dispar were more frequent in the rainy season than in the dry season (p< 0.05). Finally, a higher prevalence of infections with Giardia lamblia than with Entamoeba histolytica/Entamoeba dispar or Cryptosporidium was found in day care and primary school children (p< 0.05).
Conclusions: a higher prevalence of protozoan infections was observed and they occur more frequently in children aged more than two years old and during the rainy season.


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