| enteropathogens associated with acute diarrhea in hospitalized infants. | thirty-five infants of low socioeconomic status who were living in urban santiago were hospitalized for acute diarrhea were prospectively evaluated for the presence of enteropathogens associated with the episode. some degree of malnutrition was evident in 20 infants (57.1%); 15 of these (75%) were under 6 months of age. mean duration of the hospital stay was 11.8 days for well-nourished patients and 15.7 days for the malnourished patients. one or more enteropathogens were found in 60% of the cas ... | 1986 | 3007718 |
| two year review of intestinal intussusception in six large public hospitals of santiago, chile. | a need for updated information on different aspects of idiopathic intussusception resurged after the rotashield experience. variability of incidence rates worldwide and the possibility of a more severe outcome among infants that have intussusception at a younger age are two issues that remain unclear. we aimed to provide updated information on clinical aspects of intussusception in a large population of chilean children <2 years of age, including a best estimate of incidence rate and a comparati ... | 2003 | 12913773 |
| field trial of an infant formula containing anti-rotavirus and anti-escherichia coli milk antibodies from hyperimmunized cows. | two groups of 124 and 108 children, respectively, living in urban santiago, chile in low socioeconomic conditions were prospectively followed for 6 months for their incidence of diarrhea. each cohort was divided into two subgroups receiving either a commercial milk formula or the same formula containing 1% (wt/wt) bovine milk immunoglobulin concentrate from cows hyperimmunized with human rotaviruses and the major enteropathogenic escherichia coli (epec) serogroups. neither group differed with re ... | 1992 | 1328579 |
| [antigenic types of circulating rotavirus in children with acute diarrhea in santiago de chile]. | protective immunity against rotavirus infection is directed against antigenic epitopes on the outer capsid proteins vp7 and vp4. the aim of this study was to characterize the vp7 and vp4 antigenic types circulating in different hospital areas of santiago, chile, over different time periods. between april 1993 and april 1994 a total of 1206 stool samples were obtained from children consulting for acute no bloody diarrhea in 5 hospitals representative of the 5 major health areas of santiago. in ad ... | 1995 | 8525200 |
| [detection of rotavirus in hospitalized and ambulatory infants with acute diarrhea in santiago de chile]. | | 1982 | 6284181 |
| acute diarrhoeal disease in children under 7 years of age in a peri-urban slum of santiago, chile. | a group of 168 families who lived in a peri-urban slum in santiago were surveyed for 9 months. all of them had a child under 7 years of age. medical activities and data collection were carried out at a field station and by means of twice-weekly visits to each home, at which time cases of diarrhoea were recorded and investigated. faecal samples for bacteriological, parasitological and rotavirus studies were obtained during each episode. the characteristics of clinical course, hygienic practices i ... | 1985 | 4067299 |
| acute diarrhoea and asymptomatic infection in chilean preschoolers of low and high socio-economic strata. | preschoolers who belonged to the high (group i, n = 112) or the low (group ii, n = 90) socio-economic stratum were followed prospectively for six months. mean monthly incidence of diarrhoea was 3 and 7 episodes per 100 children for group i and group ii respectively (p less than 0.001). episodes were shorter and affected a smaller proportion of children in group i (p less than 0.002 and p less than 0.05), respectively). bacterial enteropathogens were recovered in 12.6% and 13.5% of the episodes i ... | 1986 | 3751558 |
| [hospital infection caused by rotaviruses in infants, santiago, chile]. | | 1986 | 3024660 |
| nosocomial transmission of rotavirus from patients admitted with diarrhea. | we studied the transmission of rotavirus (rv) in 950 patients under 2 years of age hospitalized for diarrhea in santiago, chile. stool samples were collected every other day from all patients during their entire hospital stay. to trace nosocomial transmission, we mapped the ward at the time of detection of rv. comparative study by polyacrylamide gel electrophoresis of 315 rv isolates (180 detected upon admission of patients and 135 attributed to nosocomial transmission) allowed the identificatio ... | 1992 | 1333491 |
| prospective characterization of norovirus compared with rotavirus acute diarrhea episodes in chilean children. | rotavirus and more recently noroviruses are recognized as main causes of moderate to severe acute diarrhea episodes (ade) in children < or =5 years of age. comparing epidemiologic and clinical features of norovirus to rotavirus ade will aid in the decision-making process required to develop norovirus vaccines. | 2010 | 20581736 |
| [clinical and epidemiological profile of intestinal intussusception among infants of metropolitan santiago]. | intussusception (is) is a potentially severe disease that affects an undetermined number of chilean infants. the withdrawal of a rotavirus vaccine in 1999 due to its association with is, highlighted the need for updated information on is worldwide including chile, before introduction of new vaccines. | 2004 | 15279142 |
| molecular epidemiology of human rotaviruses in santiago, chile. | protective immunity against rotavirus infection is directed against antigenic epitopes on the outer capsid proteins vp7 and vp4. our aim was to characterize the epidemiology of rotavirus antigenic types over time in santiago, chile. | 1997 | 9076820 |
| comparison of human rotaviruses isolated in mexico city and in santiago, chile, by electrophoretic migration of their double-stranded ribonucleic acid genome segments. | during the period october to december 1979, rotaviruses were obtained from infants and young children hospitalized with acute gastroenteritis in mexico city and were compared by analysis of the migration of their double-stranded ribonucleic acid (rna) genome segments in gel electrophoresis. comparison of the results of this analysis and of those of similar studies carried out in 1977 and 1978 showed that the two rotavirus electropherotypes designated 2s and 21 have been continuously present and ... | 1980 | 6254887 |
| faecal excretion of rotavirus and other enteropathogens in newborns of the high and low socio-economic stratum in santiago, chile. | faecal excretion of enteropathogens was studied in newborns in their first week of life. rotavirus was investigated in 225 neonates, of whom 107 belonged to the low socio-economic stratum (ses) and 118 to the high ses. half of each group were delivered by caesarean section. rotavirus was detected in 10 infants (4.4%). eight of them had been in the same ward and excreted the same viral electrophoretype. enteropathogenic bacteria were isolated from 8 out of 57 (14.0%) newborns. positive cultures w ... | 1988 | 2846331 |
| rotavirus viral rna electrophoresis in hospitalized infants with diarrhea in santiago, chile. | viral rna electrophoresis technique was used to detect rotavirus in 226 children under 2 years of age with acute diarrhea, admitted to the roberto del río hospital in santiago, chile, during the period of june 1979 through may 1980. a group of 50 children included in the aforementioned sample, admitted in winter, was compared with a control group of 25 infants without digestive pathology. in these groups, rotavirus was detected in 20 out of 50 children with diarrhea (40%) but not in the controls ... | 1982 | 6281717 |