Pancreatic FistulaBicarbonatesFistulaPancreaticojejunostomyPancreaticoduodenectomyPancreatectomySodium BicarbonateCutaneous FistulaArteriovenous FistulaGastric FistulaIntestinal FistulaBiliary FistulaPancreatic DuctsBronchial FistulaVascular FistulaRectal FistulaDrainageUrinary FistulaSurgical StaplingPancreatic DiseasesEsophageal FistulaPancreasGastrostomyRectovaginal FistulaPostoperative ComplicationsPancreatic PseudocystVesicovaginal FistulaRespiratory Tract FistulaVaginal FistulaPancreatic JuiceSuture TechniquesTracheoesophageal FistulaJejunostomyPancreatic NeoplasmsOctreotideTreatment OutcomeAmylasesUrinary Bladder FistulaCyst FluidArterio-Arterial FistulaAnastomosis, SurgicalEndoscopyArteriovenous Shunt, SurgicalAnastomosis, Roux-en-YCarotid-Cavernous Sinus FistulaSecretinRetrospective StudiesSplenectomyGastrectomyDuodenumPancreatitis, ChronicAcid-Base EquilibriumAlkalosisLength of StayAcidosisReoperationSurgical Procedures, ElectiveCholangiopancreatography, Endoscopic RetrogradeDigestive System FistulaTime FactorsHydrogen-Ion ConcentrationTomography, X-Ray ComputedCentral Nervous System Vascular MalformationsSodium-Bicarbonate Symporters