a low cost method to produce a gaseous environment for the isolation of helicobacter pylori un método de bajo costo para producir el ambiente gaseoso para el aislamiento de helicobacter pylori

Clicks: 135
ID: 182827
1992
A low cost method (LCM) to produce a gaseous environment for the isolation of Helicobacter pylori, was compared with the standard Gas Park system. The LCM uses a carbonated antacid tablet, a plastic bag with tap water, a candle, and a wide-mouthed glass jar provided with a tight-fitting metalic screw cap and a rubber gasket. Antral gastric biopsies from 153 cases were incubated by duplicate on blood agar plates and treated with the two methods. In 95 cases the agent was isolated from both, and only from the standard method in 10 cases; the opposite condition was found in five cases, and 43 were negative. That difference is not significant (Pearson's X²= 93.25 p > 0,05)
Se comparó un método de bajo costo (MBC) para producir el ambiente gaseoso para el aislamiento de Helicobacter pylori, con el sistema estándar de gas Pak. El MBC usa una tableta carbonata de antiácido, una bolsa plástica con agua, una candela y un frasco de vidrio con boca ancha, provisto de tapa metálica de rosca con empaque de hule. Las biopsias de antro de 153 pacientes se inocularon por duplicado en platos de agar sangre y se incubaron bajo los dos sistemas. En 195 casos el agente se aisló de ambos platos, y sólo del incubado bajo el método estándar en diez casos; la condición opuesta se presentó en cinco casos; 43 casos fueron negativos. Esa diferencia no es significativa (X² de Pearson = 93,25 p > 0,05)
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Authors ;Francisco Hernández;Patricia Rivera
Journal 2017 12th international conference for internet technology and secured transactions, icitst 2017
Year 1992
DOI 10.1590/S0036-46651992000200013
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