Water exchange colonoscopy for evaluation of severe colitis: a case series to suggest feasibility and safety

1Division of Gastroenterology, sepulveda ambulatory care center and West Los angeles Va Medical center, Va Greater Los angeles healthcare system, and David Geffen school of Medicine at UcLa, Los angeles, ca, Usa; 2Department of Medicine, cedars-sinai Medical center, Los angeles, ca, Usa; 3UcLa Division of Digestive Diseases, David Geffen school of Medicine at UcLa, Los angeles, ca, Usa; 4West Los angeles Va Medical center, Va Greater Los angeles healthcare system, Los angeles, ca, Usa