• Am. J. Cardiol. · Sep 2014

    Usefulness of N-terminal pro-brain natriuretic peptide levels to predict success of weaning from intra-aortic balloon pumping.

    • Yukichi Tokita, Takeshi Yamamoto, Naoki Sato, Yusuke Hosokawa, Ryo Munakata, Koichi Akutsu, Wataru Shimizu, and Keiji Tanaka.
    • Department of Cardiovascular Medicine, Nippon Medical School, Tokyo, Japan. Electronic address: yukichi@nms.ac.jp.
    • Am. J. Cardiol. 2014 Sep 15;114(6):942-5.

    AbstractThere is currently no reliable method of predicting the success of weaning from intra-aortic balloon pumping (IABP). The aim of this study was to investigate the ability of serum N-terminal pro-brain natriuretic peptide (NT-proBNP) level to predict the success of weaning from IABP. Consecutive patients scheduled for weaning from IABP were prospectively enrolled. NT-proBNP levels were measured at baseline (before the start of weaning) and cessation (just before cessation of IABP). Changes in NT-proBNP level between baseline and cessation were analyzed in 2 groups of patients: those who were successfully weaned and those who were not successfully weaned for any reason, including a decision to discontinue weaning, worsening of pulmonary edema after cessation of IABP, or unstable hemodynamics after cessation of IABP. A total of 30 patients were enrolled (mean age 66 ± 12 years, 16 men, 16 with acute myocardial infarctions, and 14 with acute exacerbation of chronic heart failure). Median (interquartile range) baseline NT-proBNP levels were not significantly different between the successful and unsuccessful weaning groups (4,200 [1,400 to 8,752] pg/ml vs (5,620 [2,035 to 13,950] pg/ml, p = 0.30). In the unsuccessful weaning group, the median NT-proBNP level was significantly higher at cessation (9,995 [2,920 to 15,100] pg/ml) than at baseline (p = 0.008). All patients with decreases in NT-proBNP level between baseline and cessation were successfully weaned from IABP. In conclusion, these results show that NT-proBNP levels were useful for predicting the success of weaning from IABP. If the NT-proBNP level increases during weaning from IABP, more intense management should be considered.Copyright © 2014 Elsevier Inc. All rights reserved.

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