Heart Valve ProsthesisHeart ValvesAortic ValveBioprosthesisThromboembolismHeart Valve Prosthesis ImplantationAcenocoumarolAnticoagulantsHeart Valve DiseasesMitral ValveInternational Normalized RatioProsthesis DesignPhenindionePregnancy Complications, CardiovascularWarfarinThrombosisAortic Valve StenosisHemorrhageProsthesis FailureHemorheologyModels, CardiovascularAortic Valve InsufficiencyHeartTricuspid ValveProstheses and ImplantsTreatment OutcomeAdministration, OralJoint ProsthesisMitral Valve InsufficiencyPulmonary ValveEndocarditis, BacterialStress, MechanicalKnee ProsthesisPhonocardiographyHip ProsthesisPenile ProsthesisMitral Valve StenosisReoperationEchocardiography, TransesophagealDyspnea, ParoxysmalCardiac CatheterizationHeart RatePostoperative ComplicationsDevice RemovalArtificial LimbsProsthesis ImplantationVisual ProsthesisEchocardiography