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Database of Abstracts of Reviews of Effects (DARE): Quality-assessed Reviews [Internet]. York (UK): Centre for Reviews and Dissemination (UK); 1995-.

Database of Abstracts of Reviews of Effects (DARE): Quality-assessed Reviews [Internet].

Prognostic value of brain natriuretic peptide in noncardiac surgery: a meta-analysis

Review published: 2009.

Bibliographic details: Ryding AD, Kumar S, Worthington AM, Burgess D.  Prognostic value of brain natriuretic peptide in noncardiac surgery: a meta-analysis. Anesthesiology 2009; 111(2): 311-319. [PubMed: 19602961]


BACKGROUND: The prognostic role of brain natriuretic peptide (BNP) measurement before noncardiac surgery is unclear. The authors therefore performed a meta-analysis of studies in patients undergoing noncardiac surgery to assess the prognostic value of elevated BNP or N-terminal pro-BNP (NT-proBNP) levels in predicting mortality and major adverse cardiovascular events (MACE) (cardiac death or nonfatal myocardial infarction).

METHODS: Unrestricted searches of MEDLINE and EMBASE bibliographic databases were performed using the terms "brain natriuretic peptide," "b-type natriuretic peptide," "BNP," "NT-proBNP," and "surgery." In addition, review articles, bibliographies, and abstracts of scientific meetings were manually searched. The meta-analysis included prospective studies that reported on the association of BNP or NT-proBNP and postoperative major adverse cardiovascular event (MACE) or mortality. The study endpoints were MACE, all-cause mortality, and cardiac mortality at short-term (less than 43 days after surgery) and longer-term (more than 6 months) follow-up. A random-effects model was used to pool study results; funnel-plot inspection was done to evaluate publication bias; Cochrane chi-square test and I testing was used to test for heterogeneity.

RESULTS: Data from 15 publications (4,856 patients) were included in the analysis. Preoperative BNP elevation was associated with an increased risk of short-term MACE (OR 19.77; 95% confidence interval [CI] 13.18-29.65; P < 0.0001), all-cause mortality (OR 9.28; 95% CI 3.51-24.56; P < 0.0001), and cardiac death (OR 23.88; 95% CI 9.43-60.43; P < 0.00001). Results were consistent for both BNP and NT-proBNP. Preoperative BNP elevation was also associated with an increased risk of long-term MACE (OR 17.70; 95% CI 3.11-100.80; P < 0.0001) and all-cause mortality (OR 4.77; 95% CI 2.99-7.46; P < 0.00001).

CONCLUSIONS: Elevated BNP and NT-proBNP levels identify patients undergoing major noncardiac surgery at high risk of cardiac mortality, all-cause mortality, and MACE.

CRD has determined that this article meets the DARE scientific quality criteria for a systematic review.

Copyright © 2014 University of York.

PMID: 19602961


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