Modified Nissen fundoplication: laparoscopic antireflux surgery after Roux-en-Y gastric bypass for obesity

Nilton T Kawahara, Clarissa Alster, Fauze Maluf-Filho, Wilson Polara, Guilherme M. Campos, Luiz Francisco Poli-de-Figueiredo (in memoriam) I Faculdade de Medicina da Universidade de Sao Paulo, (FMUSP), Department of Surgical Technique, Sao Paulo/SP, Brazil. II Faculdade de Medicina da Universidade de Sao Paulo, (FMUSP), Department of Gastroenterology, Gastrointestinal Endoscopy Unit, Sao Paulo/SP, Brazil. III Sirio Libanes Hospital, Department of Oncology Surgery, Sao Paulo/SP, Brazil. IV University of Wisconsin School of Medicine and Public Health, Department of Surgery, Wisconsin/USA.