Mitral Valve AnnuloplastyPapillary MusclesMitral Valve InsufficiencyMitral ValveCardiac Valve AnnuloplastyCoronary SinusHeart Valve Prosthesis ImplantationSuture TechniquesHeart Valve ProsthesisCardiac-Gated Imaging TechniquesCardiac Surgical ProceduresTricuspid Valve InsufficiencyMusclesMyocardial IschemiaProsthesis DesignCardiomyopathy, DilatedChordae TendineaeHeart VentriclesSurgical Procedures, Minimally InvasiveEchocardiographyMyocardial ContractionTricuspid ValveTreatment OutcomeMuscle ProteinsStroke VolumeMuscle, SmoothMuscle, SkeletalFollow-Up StudiesMuscle ContractionMuscle Fibers, SkeletalEchocardiography, Three-DimensionalMuscle, Smooth, VascularGuinea PigsMuscle DevelopmentEchocardiography, Doppler, ColorHeartMitral Valve ProlapseFerretsRheumatic Heart DiseaseEchocardiography, TransesophagealSheepSuturesSystolic MurmursAction PotentialsMyocardiumProstheses and ImplantsVentricular RemodelingTime FactorsMuscle FatigueMuscle Fibers, Fast-TwitchMuscle DenervationVentricular Function, LeftIsometric ContractionFluoroscopyMuscle Fibers, Slow-TwitchAequorinHeart Rupture, Post-InfarctionMyocytes, Smooth MuscleCalciumHemodynamicsMuscle RelaxationMitochondria, MuscleBiomechanical PhenomenaMitral Valve StenosisRabbitsElectric StimulationHeart Valve DiseasesCineradiographyNeck MusclesHeart RuptureOculomotor MusclesMuscle, StriatedDepression, ChemicalStress, MechanicalMuscle SpindlesReoperationCatsPurkinje FibersRespiratory MusclesIsoproterenolMuscle WeaknessCoronary Artery BypassVentricular FunctionDogsMyofibrilsSeverity of Illness IndexSystoleMembrane PotentialsEndocardiumAbdominal MusclesQuadriceps MuscleMuscle CellsElectrophysiologyCross CirculationRats, WistarPericardium