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N-terminal prohormone brain natriuretic peptide as a marker for detecting low functional class patients and candidates for cardiac transplantation: linear correlation with exercise tolerance.
J Heart Lung Transplant. 2007 May; 26(5):516-21.JH

Abstract

BACKGROUND

N-terminal prohormone brain natriuretic peptide (NT Pro BNP) plasma levels have been associated with indices of left ventricular (LV) function and aerobic capacity in heart failure. The aim of our study was to use NT Pro BNP for the prediction of low functional class patients and also to detect candidates for cardiac transplantation.

METHODS

We studied 100 patients with impaired left ventricular (LV) function. Mean LV ejection fraction (LVEF) was 35% +/- 9%. Blood samples for NT Pro BNP assessment were taken at baseline during treadmill exercise testing. LV cavity diameters, left atrial size, and LVEF were measured by echocardiography.

RESULTS

Plasma levels of NT Pro BNP correlated significantly with peak oxygen consumption (VO(2)) values (r = -0.77, p < 0.001). LVEF correlated well with NT Pro BNP (r = -0.67, p < 0.001). NT Pro BNP plasma levels correlated strongly with New York Heart Association functional class (r = 0.70, p < 0.001). NT Pro BNP values exceeding 335 pg/ml showed 83% sensitivity and 76% specificity for detecting VO(2) values below 20 ml/kg/min (area under the curve [AUC] = 86%, p < 0.001). NT Pro BNP plasma levels exceeding 1,190 pg/ml showed 83% sensitivity and 86% specificity for detecting VO(2) of less than 14 ml/kg/min (AUC = 90%, p < 0.001). NT Pro BNP plasma levels exceeding 1,610 pg/ml showed 87% sensitivity and specificity 82% for detecting VO(2) of less than 10 ml/kg/min (AUC = 90%, p < 0.001). NT Pro BNP plasma levels exceeding 680 pg/ml showed 91% sensitivity and 73% specificity for detecting LVEF of less than 28% (AUC = 86%, p < 0.001).

CONCLUSIONS

NT Pro BNP plasma levels correlate both with LVEF and aerobic capacity, can predict low functional cardiopulmonary exercise capacity in patients with impaired left ventricular function, and are useful for detecting candidates for cardiac transplantation.

Authors+Show Affiliations

First Cardiology Department, Onassis Cardiac Surgery Center, Athens, Greece. mankal1@otenet.grNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article

Language

eng

PubMed ID

17449423

Citation

Kallistratos, Manolis S., et al. "N-terminal Prohormone Brain Natriuretic Peptide as a Marker for Detecting Low Functional Class Patients and Candidates for Cardiac Transplantation: Linear Correlation With Exercise Tolerance." The Journal of Heart and Lung Transplantation : the Official Publication of the International Society for Heart Transplantation, vol. 26, no. 5, 2007, pp. 516-21.
Kallistratos MS, Dritsas A, Laoutaris ID, et al. N-terminal prohormone brain natriuretic peptide as a marker for detecting low functional class patients and candidates for cardiac transplantation: linear correlation with exercise tolerance. J Heart Lung Transplant. 2007;26(5):516-21.
Kallistratos, M. S., Dritsas, A., Laoutaris, I. D., & Cokkinos, D. V. (2007). N-terminal prohormone brain natriuretic peptide as a marker for detecting low functional class patients and candidates for cardiac transplantation: linear correlation with exercise tolerance. The Journal of Heart and Lung Transplantation : the Official Publication of the International Society for Heart Transplantation, 26(5), 516-21.
Kallistratos MS, et al. N-terminal Prohormone Brain Natriuretic Peptide as a Marker for Detecting Low Functional Class Patients and Candidates for Cardiac Transplantation: Linear Correlation With Exercise Tolerance. J Heart Lung Transplant. 2007;26(5):516-21. PubMed PMID: 17449423.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - N-terminal prohormone brain natriuretic peptide as a marker for detecting low functional class patients and candidates for cardiac transplantation: linear correlation with exercise tolerance. AU - Kallistratos,Manolis S, AU - Dritsas,Athanasios, AU - Laoutaris,Ioannis D, AU - Cokkinos,Dennis V, Y1 - 2007/03/21/ PY - 2006/07/17/received PY - 2006/11/17/revised PY - 2007/01/08/accepted PY - 2007/4/24/pubmed PY - 2007/5/12/medline PY - 2007/4/24/entrez SP - 516 EP - 21 JF - The Journal of heart and lung transplantation : the official publication of the International Society for Heart Transplantation JO - J Heart Lung Transplant VL - 26 IS - 5 N2 - BACKGROUND: N-terminal prohormone brain natriuretic peptide (NT Pro BNP) plasma levels have been associated with indices of left ventricular (LV) function and aerobic capacity in heart failure. The aim of our study was to use NT Pro BNP for the prediction of low functional class patients and also to detect candidates for cardiac transplantation. METHODS: We studied 100 patients with impaired left ventricular (LV) function. Mean LV ejection fraction (LVEF) was 35% +/- 9%. Blood samples for NT Pro BNP assessment were taken at baseline during treadmill exercise testing. LV cavity diameters, left atrial size, and LVEF were measured by echocardiography. RESULTS: Plasma levels of NT Pro BNP correlated significantly with peak oxygen consumption (VO(2)) values (r = -0.77, p < 0.001). LVEF correlated well with NT Pro BNP (r = -0.67, p < 0.001). NT Pro BNP plasma levels correlated strongly with New York Heart Association functional class (r = 0.70, p < 0.001). NT Pro BNP values exceeding 335 pg/ml showed 83% sensitivity and 76% specificity for detecting VO(2) values below 20 ml/kg/min (area under the curve [AUC] = 86%, p < 0.001). NT Pro BNP plasma levels exceeding 1,190 pg/ml showed 83% sensitivity and 86% specificity for detecting VO(2) of less than 14 ml/kg/min (AUC = 90%, p < 0.001). NT Pro BNP plasma levels exceeding 1,610 pg/ml showed 87% sensitivity and specificity 82% for detecting VO(2) of less than 10 ml/kg/min (AUC = 90%, p < 0.001). NT Pro BNP plasma levels exceeding 680 pg/ml showed 91% sensitivity and 73% specificity for detecting LVEF of less than 28% (AUC = 86%, p < 0.001). CONCLUSIONS: NT Pro BNP plasma levels correlate both with LVEF and aerobic capacity, can predict low functional cardiopulmonary exercise capacity in patients with impaired left ventricular function, and are useful for detecting candidates for cardiac transplantation. SN - 1557-3117 UR - https://www.unboundmedicine.com/medline/citation/17449423/N_terminal_prohormone_brain_natriuretic_peptide_as_a_marker_for_detecting_low_functional_class_patients_and_candidates_for_cardiac_transplantation:_linear_correlation_with_exercise_tolerance_ L2 - https://linkinghub.elsevier.com/retrieve/pii/S1053-2498(07)00045-9 DB - PRIME DP - Unbound Medicine ER -