RESUMO
Plesiomonas shigelloides-associated diarrhea was studied in 5,221 pediatric patients at Siriraj Hospital from August 1990 to June 1992. The average occurrence of Plesiomonas shigelloides-associated diarrhea in this group of children was 1.6%. This occurrence was not affected by seasonal variation. Plesiomonas shigelloides-associated diarrhea was studied in 62 pediatric patients. Thirty-eight were male and 24 were female. Forty-three were under 2 years of age (70%). Twenty-nine were out-patients and 32 were in-patients. Of the out-patients, 24 in 29 were normal host (83%) and 20 in 29 showed normal nutritional status (69%). Of the in-patients 18 in 32 had underlying disease (55%) and 25 in 32 showed third degree malnutrition (64%). Clinical presentations were: watery diarrhea 58%; mucous 42%; mucous bloody stool 20%; vomiting 39% and abdominal pain 66%. Fever lasted 0-7 days, average 1.8 days and diarrhea 2-15 days, average 5.3 days.