The resistance of Helicobacter pylori to antibiotics has been advocated as a major cause of treatment failure, and antimicrobial sensitivity testing has been proposed to improve efficacy; however, its role before first-line therapy has not been investigated in detail.
Department of Medicine and Ageing Sciences, Section of Internal Medicine and Gastroenterology, Centre of Excellence on Ageing, Università Gabriele D'Annunzio, Chieti, Italy. mneri@unich.it