Nutritional SupportEnteral NutritionParenteral NutritionParenteral Nutrition, TotalNutrition DisordersFood, FormulatedMalnutritionGastrostomyNutritional StatusProtein-Energy MalnutritionPostoperative CareIntubation, GastrointestinalNutritional RequirementsEnergy IntakeCritical IllnessNutrition AssessmentFood Service, HospitalJejunostomyCachexiaParenteral Nutrition, HomeConsensusCutaneous FistulaBurnsNutritional Physiological PhenomenaHome NursingAmino Acids, Branched-ChainGlutamineBody WeightEnergy MetabolismNitrogenSerum AlbuminIntestinal FistulaSurgical Procedures, OperativeAnorexiaDietary ProteinsPancreatitisAnthropometryDigestive System Surgical ProceduresPreoperative CarePostoperative ComplicationsInfant Nutritional Physiological PhenomenaInfectionBody CompositionElectric ImpedanceDietary SupplementsSepsisAmino AcidsProspective StudiesTreatment OutcomeLength of StayPostoperative PeriodTime FactorsInfant, PrematureCrohn DiseaseInfant, NewbornWeight LossIntensive Care UnitsClinical Trials as TopicDietRetrospective StudiesAcute DiseaseHospitalizationCombined Modality Therapy