• Media type: E-Article
  • Title: Withholding versus Continuing Angiotensin-converting Enzyme Inhibitors or Angiotensin II Receptor Blockers before Noncardiac Surgery
  • Contributor: Roshanov, Pavel S.; Rochwerg, Bram; Patel, Ameen; Salehian, Omid; Duceppe, Emmanuelle; Belley-Côté, Emilie P.; Guyatt, Gordon H.; Sessler, Daniel I.; Le Manach, Yannick; Borges, Flavia K.; Tandon, Vikas; Worster, Andrew; Thompson, Alexandra; Koshy, Mithin; Devereaux, Breagh; Spencer, Frederick A.; Sanders, Robert D.; Sloan, Erin N.; Morley, Erin E.; Paul, James; Raymer, Karen E.; Punthakee, Zubin; Devereaux, P. J.
  • imprint: Ovid Technologies (Wolters Kluwer Health), 2017
  • Published in: Anesthesiology
  • Language: English
  • DOI: 10.1097/aln.0000000000001404
  • ISSN: 0003-3022
  • Keywords: Anesthesiology and Pain Medicine
  • Origination:
  • Footnote:
  • Description: <jats:title>Abstract</jats:title> <jats:sec> <jats:title>Background</jats:title> <jats:p>The effect on cardiovascular outcomes of withholding angiotensin-converting enzyme inhibitors or angiotensin II receptor blockers in chronic users before noncardiac surgery is unknown.</jats:p> </jats:sec> <jats:sec> <jats:title>Methods</jats:title> <jats:p>In this international prospective cohort study, the authors analyzed data from 14,687 patients (including 4,802 angiotensin-converting enzyme inhibitor/angiotensin II receptor blocker users) at least 45 yr old who had in-patient noncardiac surgery from 2007 to 2011. Using multivariable regression models, the authors studied the relationship between withholding angiotensin-converting enzyme inhibitors/angiotensin II receptor blockers and a primary composite outcome of all-cause death, stroke, or myocardial injury after noncardiac surgery at 30 days, with intraoperative and postoperative clinically important hypotension as secondary outcomes.</jats:p> </jats:sec> <jats:sec> <jats:title>Results</jats:title> <jats:p>Compared to patients who continued their angiotensin-converting enzyme inhibitors/angiotensin II receptor blockers, the 1,245 (26%) angiotensin-converting enzyme inhibitor/angiotensin II receptor blocker users who withheld their angiotensin-converting enzyme inhibitors/angiotensin II receptor blockers in the 24 h before surgery were less likely to suffer the primary composite outcome of all-cause death, stroke, or myocardial injury (150/1,245 [12.0%] vs. 459/3,557 [12.9%]; adjusted relative risk, 0.82; 95% CI, 0.70 to 0.96; P = 0.01) and intraoperative hypotension (adjusted relative risk, 0.80; 95% CI, 0.72 to 0.93; P &amp;lt; 0.001). The risk of postoperative hypotension was similar between the two groups (adjusted relative risk, 0.92; 95% CI, 0.77 to 1.10; P = 0.36). Results were consistent across the range of preoperative blood pressures. The practice of withholding angiotensin-converting enzyme inhibitors/angiotensin II receptor blockers was only modestly correlated with patient characteristics and the type and timing of surgery.</jats:p> </jats:sec> <jats:sec> <jats:title>Conclusions</jats:title> <jats:p>Withholding angiotensin-converting enzyme inhibitors/angiotensin II receptor blockers before major noncardiac surgery was associated with a lower risk of death and postoperative vascular events. A large randomized trial is needed to confirm this finding. In the interim, clinicians should consider recommending that patients withhold angiotensin-converting enzyme inhibitors/angiotensin II receptor blockers 24 h before surgery.</jats:p> </jats:sec>
  • Access State: Open Access