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1.
Rev. biol. trop ; 38(2B): 481-2, nov. 1990. tab
Article in English | LILACS | ID: lil-101165

ABSTRACT

Two gastric antrum biopsies of each of 92 consecutive patients undergoing gastroendoscopy were studied. The first biopsy was cultured for Helicobacter) pylori. The second specimen was fixed and processed for histopathological analysis. The bacteria were isolated from 34(81%) of 42 patients with nonspecific chtonic gastritis, 19(90%) of 21 cases of duodenal or gastric peptic ulcer, and from 3(23%) of 13 normal patients. The overall frequency of isolation was 62(67%) of the 92 cases


Subject(s)
Humans , Male , Female , Adult , Middle Aged , Helicobacter Infections/epidemiology , Helicobacter pylori/isolation & purification , Aged, 80 and over , Pyloric Antrum/microbiology , Pyloric Antrum/pathology , Costa Rica/epidemiology , Gastritis/etiology , Helicobacter Infections/complications , Peptic Ulcer/etiology
2.
Rev. costarric. cienc. méd ; 9(1): 43-6, mar. 1988. ilus
Article in Spanish | LILACS | ID: lil-94557

ABSTRACT

Se cultivo 4 biopsias gastricas de sendos pacientes que padecian gastritis cronica atrofica. Las muestras fueron inoculadas en platos con agar de Butzler y agar sangre y fueron incubadas en microaerobiosis a 37 grados centígrados durante 6 días. Se cultivo C. pylori a partir de dos de esas muestras, las cuales provenian de pacientes cuyo jugo gastrico mostro valores de pH de 2 y 1,5 respectivamente, y que tambien fueron negativos a la prueba de nitritos. Ambas sepas fueron catalasa, oxidasa y ureasas positivas. Ademas ultraestructuralmente fueron similares a C. pylori. Los pacientes con cultivos negativos mostraron valores de pH gastrico de 6 y 8 y dieron la reaccion para nitritos positiva en jugo gastrico. Este informe representa los resultados preliminares de un estudio prospectivo


Subject(s)
Campylobacter/drug effects , Gastritis, Atrophic , Campylobacter/analysis , Costa Rica
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