In 1889, he performed the first gastroenterostomy in France. In 1884 he introduced a new method of surgical peptic ulcer treatment using Gastroenterostomy. Some surgeons found better results with gastroenterostomy to bypass the obstructed pylorus. Historically, vagotomy was combined with pyloroplasty or gastroenterostomy to counter this problem. A gastroenterostomy is the surgical creation of a connection between the stomach and the jejunum.