• Helicobacter pylori resistance to antibiotics before and after treatment: Incidence of eradication failure 

      Nestegard, Oddmund; Moayeri, Behrouz; Halvorsen, Fred-Arne; Tønnesen, Tor; Paulssen, Eyvind Jakob; Johnsen, Kay-Martin; Goll, Rasmus; Florholmen, Jon; Melby, Kjetil K. (Journal article; Tidsskriftartikkel; Peer reviewed, 2022-04-20)
      Background <p>Increasing prevalence of antibiotic resistance especially to clarithromycin and metronidazole has been observed in Helicobacter pylori (H. pylori). <p>Aim <p>To characterize the antimicrobial resistance pattern of H. pylori before and after treatment in a cohort of patients accumulated over a period of 15 years after an unsuccessful eradication treatment had been given comparing ...