Increasing multidrug resistance in Helicobacter pylori strains isolated from children and adults in Mexico.
The susceptibilities to three antimicrobials of 195 Helicobacter pylori strains isolated from Mexican patients is reported; 80% of the strains were resistant to metronidazole, 24% were resistant to clarithromycin, and 18% presented a transient resistance to amoxicillin. Resistance to two or more antimicrobials increased significantly from 1995 to 1997.
Torres
J
J
Unidad de Investigación Médica en Enfermedades Infecciosas, Instituto Mexicano del Seguro Social, Centro Médico Nacional Siglo XXI, Mexico City, Mexico. jtorres1@axtel.net
Camorlinga-Ponce
M
M
Pérez-Pérez
G
G
Madrazo-De la Garza
A
A
Dehesa
M
M
González-Valencia
G
G
Muñoz
O
O
D000293:Adolescent; D000328:Adult; D000368:Aged; D000900:Anti-Bacterial Agents / Q000494:pharmacology*; D002648:Child; D004352:Drug Resistance, Microbial; D018432:Drug Resistance, Multiple; D005260:Female; D016481:Helicobacter Infections / Q000453:epidemiology* / Q000382:microbiology*; D016480:Helicobacter pylori / Q000187:drug effects* / Q000302:isolation & purification; D006801:Humans; D008297:Male; D008800:Mexico / Q000453:epidemiology; D008826:Microbial Sensitivity Tests; D008875:Middle Aged
D000900:Anti-Bacterial Agents