Angiotensin-Converting Enzyme InhibitorsAngiotensin Receptor AntagonistsAngiotensin II Type 1 Receptor BlockersAntihypertensive AgentsRenin-Angiotensin SystemEnalaprilLisinoprilHypertensionAdrenergic beta-AntagonistsCaptoprilTetrazolesDrug Therapy, CombinationHeart FailureRandomized Controlled Trials as TopicTreatment OutcomeKidney Failure, ChronicBlood PressureCardiovascular DiseasesRetrospective Studies