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Effect of bisoprolol on perioperative complications in chronic heart failure after surgery (Cardiac Insufficiency Bisoprolol Study II (CIBIS II)).

Author(s): Bohm M, Maack C, Wehrlen-Grandjean M, Erdmann E

Affiliation(s): Universitatskliniken des Saarlandes, Medizinische Klinik und Poliklinik, Innere Medizin III, 66421 Homburg/Saar, Germany. boehm@med-in.uni-saarland.de

Publication date & source: 2003-08, Z Kardiol., 92(8):668-76.

Publication type: Clinical Trial; Comparative Study ; Randomized Controlled Trial; Research Support, Non-U.S. Gov't

In patients with coronary artery disease undergoing noncardiac surgery, beta-blockers decrease perioperative mortality and nonfatal myocardial infarction. It is presently unknown whether beta-blockers reduce perioperative risk in patients with chronic heart failure. Thus, data of the CIBIS II study were analyzed regarding the effect of bisoprolol on perioperative outcome in patients with moderate to severe heart failure. A total of 2647 patients with heart failure in New York Heart Association (NYHA) class III-IV and left ventricular ejection fraction < or =35% were randomized to bisoprolol or placebo in a double-blind randomized study. Of these patients, 165 underwent surgery (bisoprolol, n = 87; placebo, n = 78). In patients undergoing surgery, mortality was not different between the placebo- and bisoprolol-treated group (7.7% vs 5.8%, p = 0.76). Neither postoperative hospital admission (placebo, 24.4%; bisoprolol, 34.5%, p = 0.17) nor time to postoperative hospital admission (placebo, < or =30 days, n = 2; 31-180 days, n=11; >180 days, n = 6; bisoprolol, n = 9/ 10/11; p = 0.14) were reduced by bisoprolol. Compared to coronary artery disease, perioperative beta-blockade has little effect in patients with chronic heart failure. Therefore, a controlled randomized trial with perioperative beta-blocker treatment in heart failure patients is warranted to further test this hypothesis.

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