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Archivos de Pediatría del Uruguay

On-line version ISSN 1688-1249


QUIAN, JORGE; MAS, MARIANA  and  JURADO, ROSARIO. Invaginación intestinal: estudio de su incidencia durante un año en Uruguay. Arch. Pediatr. Urug. [online]. 2005, vol.76, n.2, pp.106-110. ISSN 1688-1249.

Summary Aim: to conduct a one-year, nation-wide prospective study of the incidence of intestinal intussusception in children under 2 years of age. Objective: to obtain data for the possible introduction of a vaccine against rotavirus that showed an increase in the number of intestinal intussusception when first introduced. Material and methods: a pediatrician was in charge of surveying the cases of intestinal intussusception in children under 2 years of age in each of the country’s 19 municipalities. Data were collected in a pre-coded file; the diagnosis was based on the clinical and imaging evidences and confirmed either through surgery or through reduction procedures. Results: twenty-six cases of intestinal intussusception were reported in the period going from the 1st of July, 2003 to June 30, 2004. Patient’s ages ranged from 3 to 21 months of age, being the median age 7,5 months; 5 patients were older than 12 months. Fifty-eight per cent were males, and there was no evidence of seasonal distribution. Most patients, 14, were from Montevideo, the country’s capital. Twenty-three patients were treated at the Pereira Rossell Hospital Center (Montevideo); one case was handled in the interior of the country. The resolution of intussusception was surgical in 69% of the cases; in 5 cases there was a second episode. All patients were discharged. No time relations were found with the previous vaccines; in 4 cases there was diarrhea of unknown etiology in the 10 days prior to the occurrence of intussusception. One case of intestinal intussusception was seen every 3.903 children under 2 years of age, i.e., 25 cases per 100.000 children/year. Comments: the incidence of intestinal intussusception in Uruguay is lower than that reported in most countries in the region. No time relation was found with the polio vaccine, the only one used orally. The condition was more frequent among males, and most cases were solved surgically, probably due to the fact that many patients from the interior of the country were referred to the capital for management.


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