Continuation of RAAS blockers ‘safest for cardiac surgery’

Patients taking renin-angiotensin-aldosterone system (RAAS) blockers are less likely to die after undergoing cardiac surgery if they stay on the medication, a large study in US veterans suggests.
Use of the medications in the preoperative and early postoperative periods has been controversial because of concern about adverse outcomes such as hypotension, stroke or kidney injury, the authors say.