Mads E. Jørgensen, M.B., of Gentofte Hospital, University of Copenhagen, Denmark and coauthors examined in - hospital records and out - of - hospital pharmacotherapy use in Danish patients with uncomplicated hypertension treated with at least two antihypertensive drugs (β - blockers, thiazides, calcium antagonists or renin -
angiotensin system [RAS] inhibitors) undergoing noncardiac surgery
between 2005 and 2011.