CardiologyPreoperative CarePreoperative PeriodCardiology Service, HospitalSocieties, MedicalTreatment OutcomeRetrospective StudiesPostoperative ComplicationsAmerican Heart AssociationHeart DiseasesProspective StudiesNuclear Medicine Department, HospitalCardiac Care FacilitiesPostoperative PeriodFollow-Up StudiesNuclear MedicineCardiac Imaging TechniquesRectal NeoplasmsPredictive Value of TestsTomography, X-Ray ComputedTime FactorsRisk FactorsRisk AssessmentPractice Guidelines as TopicPrognosisCardiac Surgical ProceduresHeart Defects, CongenitalSurgical Procedures, ElectivePostoperative CareEuropeDiagnostic Techniques, CardiovascularRadiology, InterventionalNeoadjuvant TherapyCoronary Artery BypassAngioplasty, Balloon, CoronaryIntraoperative CarePerioperative CareSensitivity and SpecificityPatient SelectionCombined Modality TherapyCoronary Artery DiseaseHeart FailureNeoplasm StagingMyocardial InfarctionChi-Square DistributionIntraoperative PeriodRegistriesCardiovascular DiseasesUnited StatesStentsMagnetic Resonance ImagingCoronary DiseaseGuideline AdherenceCardiovascular Surgical ProceduresLength of StayCardiac CatheterizationAlmanacs as TopicRadiation ProtectionSurgical Procedures, OperativeEchocardiographyIntraoperative ComplicationsMultivariate AnalysisElectrocardiographyLogistic ModelsVascular Surgical ProceduresMyocardial RevascularizationCardiovascular AgentsSeverity of Illness IndexSurvival RateCoronary AngiographyPremedicationReoperationHeart MurmursSurvival AnalysisDiagnostic ImagingAdenocarcinomaAngiographyReproducibility of ResultsNeurosurgical ProceduresSurgery, Computer-AssistedAge FactorsPediatricsKaplan-Meier EstimateArrhythmias, CardiacHeart Valve DiseasesCoronary Care UnitsBlood Loss, SurgicalHospital MortalityPortugalPeriodicals as TopicPain, PostoperativeHepatectomyThoracic SurgeryTomography, Emission-Computed, Single-PhotonHeart Valve Prosthesis ImplantationProstatectomyDigestive System Surgical ProceduresMedicineEditorial PoliciesCohort Studies