Whichofthefollowingstatementsregardinghepatorenalsyndrome(HRS)isTRUE?

Whichofthefollowingstatementsregardinghepatorenalsyndrome(HRS)isTRUE? A. Perioperativerenalfailuredoesnotchangetheoutcomeoflivertransplantation. B. FiftypercentofpatientswithadvancedcirrhosisandascitesdevelopHRS. C. HRSischaracterizedbyintensevasoconstrictionofrenalcirculation,lowglomerularfiltration,preservedrenaltubularfunction,andnormalrenalhistology. D. PatientsshowingimprovementinrenalfunctionaftervasoconstrictortherapyforHRSdonotsurviveanylongerthanpatientswhodonotrespondtotherapy.