Gastric BypassObesity, MorbidAnastomosis, Roux-en-YGastroplastyWeight LossBariatric SurgeryLaparoscopyBiliopancreatic DiversionPostoperative ComplicationsGlucagon-Like Peptide 1ObesityJejunostomyPostoperative PeriodSurgical StaplersPeptide YYSteatorrheaGastric FistulaJejunumHyperoxaluriaStomachIncretinsTreatment OutcomeBody Mass IndexGastrostomyFollow-Up StudiesPostoperative CareAvitaminosisGastric Inhibitory PolypeptideFood PreferencesCoronary Artery Bypass, Off-PumpDiabetes Mellitus, Type 2Prospective StudiesAppetite RegulationHerniaReoperationPostprandial PeriodSurgical StaplingOmentumTime FactorsJejunal DiseasesPreoperative PeriodBlood GlucoseAnastomosis, SurgicalConstriction, PathologicGhrelinMalabsorption SyndromesNesidioblastosisAnastomotic LeakCandyNephrolithiasisSatiety ResponseJejunoileal BypassGastrointestinal HormonesGastrectomyHernia, AbdominalRetrospective StudiesCaloric RestrictionGastroenterostomyVascular PatencyCalcium CitrateSaphenous VeinPleasureBody WeightLength of StayUtahDumping Syndrome