TITLE

Prospective multicentre study on antibiotic resistance of Helicobacter pylori strains obtained from children living in Europe

AUTHOR(S)
Koletzko, S.; Richy, F.; Bontems, P.; Crone, J.; Kalach, N.; Moneiro, M. L.; Gottrand, F.; Celinska-Cedro, D.; Roma-Giannikou, E.; Orderda, G.; Kolacek, S.; Urruzono, P.; Martínez-Gómez, M. J.; Casswall, T.; Ashorn, M.; Bodanszky, H.; Mégraud, F.
PUB. DATE
December 2006
SOURCE
Gut;Dec2006, Vol. 55 Issue 12, p1711
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Aim: To prospectively assess the antibacterial resistance rate in Helicobacter pylori strains obtained from symptomatic children in Europe. Methods: During a 4-year period, 17 paediatric centres from 14 European countries reported prospectively on patients infected with H pylori, for whom antibiotic susceptibility was tested. Results: A total of 1233 patients were reported from Northern (3%), Western (70%), Eastern (9%) and Southern Europe (18%); 41% originated from outside Europe as indicated by mother's birth-country; 13% were <6 years of age, 43% 6-11 years of age and 44% >11 years of age. Testing was carried out before the first treatment (group A, n = 1037), and after treatment failure (group B, n = 196). Overall resistance to clarithromycin was detected in 24% (mean, A: 20%, B: 42%). The primary clarithromycin resistance rate was higher in boys (odds ratio (OR) 1.58; 1.12 to 2.24, p = 0.01), in children <6 years compared with >12 years (OR 1.82, 1.10 to 3.03, p = 0.020) and in patients living in Southern Europe compared with those living in Northern Europe (OR 2.25; 1.52 to 3.30, p<0.001). Overall resistance rate to metronidazole was 25% (A: 23%, B: 35%) and higher in children born outside Europe (A: adjusted. OR 2.42, 95% CI: 1.61 to 3.66, p<0.001). Resistance to both antibiotics occurred in 6.9% (A: 5.3%, B: 15.3%). Resistance to amoxicillin was exceptional (0.6%). Children with peptic ulcer disease (80/1180, 6.8%) were older than patients without ulcer (p=0.001). Conclusion: The primary resistance rate of H pylori strains obtained from unselected children in Europe is high. The use of antibiotics for other indications seems to be the major risk factor for development of primary resistance.
ACCESSION #
23512263

 

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