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Perioperative Beta Blockers

 


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Am Fam Physician. 2016 Sep 1;94(5):online.

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PERIOPERATIVE BETA BLOCKERS FOR REDUCING CARDIAC STRESS

BenefitsHarms

1 in 72 had a nonfatal myocardial infarction prevented

1 in 255 had a nonfatal stroke

1 in 15 developed hypotension

1 in 18 developed bradycardia

PERIOPERATIVE BETA BLOCKERS FOR REDUCING CARDIAC STRESS

BenefitsHarms

1 in 72 had a nonfatal myocardial infarction prevented

1 in 255 had a nonfatal stroke

1 in 15 developed hypotension

1 in 18 developed bradycardia

Details for This Review

Study Population: Patients undergoing elective surgery with varying degrees of cardiovascular risk

Efficacy End Points: Rate of nonfatal myocardial infarctions (MIs); rate of nonfatal strokes; cardiovascular mortality; all-cause mortality

Harm End Points: Hypotension; bradycardia

Narrative: Perioperative cardiac complications are a concern in patients undergoing surgery. Beta blockers were proposed as a means of reducing cardiac stress during the perioperative period. Early studies showed the use of beta blockers reduced nonfatal MIs in high-risk patients undergoing elective surgery.1,2 Based on this, the American Heart Association recommended the use of beta blockers with elective surgery for patients at high risk of cardiac complications in 2002.3 Despite rapid adoption of this recommendation by 2005, the practice was based on a few small studies of fewer than 1,100 high-risk cardiovascular patients. Later trials failed to demonstrate a meaningful benefit.46

In 2008, the Perioperative Ischemic Evaluation (POISE) trial examined more than 8,000 patients undergoing elective surgery, and compared metoprolol with placebo initiated two to four hours before surgery.7 Similar to previous trials, there was a small decrease in nonfatal MI with metoprolol (3.6% vs. 5.1%) but increases in nonfatal stroke (1.0% vs. 0.5%) and mortality (3.1% vs. 2.3%).

A 2014 Cochrane meta-analysis analyzed 89 randomized controlled trials with a

Author disclosure: No relevant financial affiliations.

REFERENCES

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1. Mangano DT, Layug EL, Wallace A, Tateo I. Effect of atenolol on mortality and cardiovascular morbidity after noncardiac surgery. Multicenter Study of Perioperative Ischemia Research Group [published correction appears in N Engl J Med. 1997;336(14):1039]. N Engl J Med. 1996;335(23):1713–1720....

2. Poldermans D, Boersma E, Bax JJ, et al. The effect of bisoprolol on perioperative mortality and myocardial infarction in high-risk patients undergoing vascular surgery. Dutch Echocardiographic Cardiac Risk Evaluation Applying Stress Echocardiography Study Group. N Engl J Med. 1999;341(24):1789–1794.

3. Eagle KA, Berger PB, Calkins H, et al. ACC/AHA guideline update for perioperative cardiovascular evaluation for noncardiac surgery—executive summary: a report of the American College of Cardiology/American Heart Association Task Force on Practice Guidelines (Committee to Update the 1996 Guidelines on Perioperative Cardiovascular Evaluation for Noncardiac Surgery) [published correction appears in J Am Coll Cardiol. 2006; 47(11):2356]. J Am Coll Cardiol. 2002;39(3):542–553.

4. Yang H, Raymer K, Butler R, Parlow J, Roberts R. The effects of perioperative beta-blockade: results of the Metoprolol after Vascular Surgery (MaVS) study, a randomized controlled trial. Am Heart J. 2006;152(5):983–990.

5. Brady AR, Gibbs JS, Greenhalgh RM, Powell JT, Sydes MR; POBBLE trial investigators. Perioperative beta-blockade (POBBLE) for patients undergoing infrarenal vascular surgery: results of a randomized double-blind controlled trial. J Vasc Surg. 2005;41(4):602–609.

6. Juul AB, Wetterslev J, Gluud C, et al.; DIPOM Trial Group. Effect of perioperative beta blockade in patients with diabetes undergoing major non-cardiac surgery: randomised placebo controlled, blinded multicentre trial. BMJ. 2006;332(7556):1482.

7. Devereaux PJ, Yang H, Yusuf S, et al.; POISE Study Group. Effects of extended-release metoprolol succinate in patients undergoing non-cardiac surgery (POISE trial): a randomised controlled trial. Lancet. 2008;371(9627):1839–1847.

8. Blessberger H, Kammler J, Domanovits H, et al. Perioperative beta-blockers for preventing surgery-related mortality and morbidity. Cochrane Database Syst Rev. 2014;(9):CD004476.

9. Dunkelgrun M, Boersma E, Schouten O, et al.; Dutch Echocardiographic Cardiac Risk Evaluation Applying Stress Echocardiography Study Group. Bisoprolol and fluvastatin for the reduction of perioperative cardiac mortality and myocardial infarction in intermediate-risk patients undergoing noncardiovascular surgery: a randomized controlled trial (DECREASE-IV). Ann Surg. 2009;249(6):921–926.



 

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