Endocarditis, Subacute BacterialEndocarditis, BacterialEndocarditisStreptococcus sanguisStreptococcal InfectionsHeart Valve DiseasesHeart ValvesHeart Valve ProsthesisBacteriaStreptococcusViridans StreptococciStaphylococcal InfectionsAortic ValveBordetella aviumAbscessSurgery, OralMitral ValveStaphylococcus hominisSplenic DiseasesAnti-Bacterial AgentsAneurysm, InfectedGram-Positive Bacterial InfectionsTeicoplaninAortic Valve InsufficiencyTricuspid ValveStaphylococcusHeart Valve Prosthesis ImplantationAntibiotic ProphylaxisPenicillin GPenicillinsStreptomycinRheumatoid FactorHeart Septal Defects, VentricularStaphylococcus aureusArthritis, InfectiousEchocardiography, TransesophagealGram-Positive BacteriaEchocardiographyGram-Negative BacteriaRabbitsProsthesis-Related InfectionsBacteria, AnaerobicEnterococcus faecalisRNA, Ribosomal, 16SDNA, BacterialPostoperative ComplicationsBacterial ProteinsStreptococcus bovisQ Fever