What Causes Persistent High Blood Pressure Despite Taking Minipress And Atorvastatin?

Iam 73yrs old having high BP since five yrs and under treatment with minipress 5mg OD,thelma vas 40mg OD,metaprolol 50mg BD,and atorvastatin 20mg HS. my BP always remains between 170/72 and 154/65. Iam also a CKD patient with cre
atnine 01.8 .both the kidneys have small cysts. please advise.