The Prognostic Value of Preoperative and Postoperative B-Type Natriuretic Peptides (BNP and NT ProBNP) in Patients Having Noncardiac Surgery: A Systematic Review and Individual Patient Data Meta-Analysis

Study Questions:

What is the prognostic utility of postoperative B-type natriuretic peptides (BNPs) (i.e., BNP and N-terminal fragment of proBNP [NT-proBNP]) for risk stratification in adult patients undergoing noncardiac surgery, in whom a preoperative NP has been measured?