During each upper digestive endoscopy two biopsies were taken from locations in the antrum two centimeters from the pylorus one from the greater curvature and the other from the lesser curvature, and two additional biopsies were taken from locations in the corpus eight centimeters from the cardia, one from the anterior wall and one from the posterior wall. One biopsy was taken from the angular incisure. All biopsies followed the protocol recommended by experts 31 which has demonstrated that it can identify H pylori in all infected patients.
Durante la endoscopia digestiva alta, se tomaron dos biopsias del antro a dos centímetros del píloro una de la curvatura mayor y una de la curvatura menor y dos biopsias del cuerpo a ocho centímetros del cardias, una de la pared anterior y una de la pared posterior y una biopsia de incisura angularis siguiendo el protocolo de toma de biopsias recomendado por expertos 31, el cual ha demostrado que permite identificar H. pylori en todos los pacientes infectados.