title: Introduction: BRTO & BATO.
authors.forename: Wael E A
authors.initials: WE
authors.lastname: Saad
mesh_terms: D021721:Balloon Occlusion / Q000009:adverse effects / Q000379:methods*; D016099:Endoscopy, Gastrointestinal; D004932:Esophageal and Gastric Varices / Q000175:diagnosis / Q000209:etiology / Q000503:physiopathology / Q000628:therapy*; D006471:Gastrointestinal Hemorrhage / Q000175:diagnosis / Q000209:etiology / Q000503:physiopathology / Q000628:therapy*; D006439:Hemodynamics; D006801:Humans; D006975:Hypertension, Portal / Q000150:complications / Q000503:physiopathology; D015641:Radiography, Interventional; D015911:Sclerotherapy; D013152:Splanchnic Circulation; D016896:Treatment Outcome