N-terminal-proB natriuretic peptide in patients with stable coronary artery disease evaluated for ischemia with myocardial perfusion imaging

Majstorov, Venijamin and PopGorceva, Daniela and Vavlukis, Marija and Peovska, Irena and Maksimovic, Jelena and Vaskova, Olivija and Kuzmanovska, Sonja and Zdravevska, Kocova, Marina (2008) N-terminal-proB natriuretic peptide in patients with stable coronary artery disease evaluated for ischemia with myocardial perfusion imaging. Bratisl Lek Listy, 7 (109). pp. 293-297. ISSN 1336- 0345

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Abstract

BACKGROUND: Natriuretic peptides have emerged in the last years as useful diagnostic and prognostic biomarkers in patients with stable CAD. Myocardial ischemia per se might increase NT-proBNP levels. OBJECTIVES: The aim of the present study was to determine whether NT-proBNP levels in patients with stable CAD and preserved left ventricular function are elevated and second, to compare NT-proBNP in patients with verified ischemia on myocardial perfusion imaging (MPI) to non-ischemic subjects with known CAD. METHODS: 117 patients were prospectively included, divided in two groups: group A (26 patients)--with normal MPI and without known CAD and group B (91 patients)--with abnormal MPI or known CAD. Patients from group B were further divided according to the presence of ischemia on MPI in non-ischemic (29 pts) and ischemic (62 pts) subgroup. RESULTS: Levels of NT-proBNP in group B were significantly higher compared to group A (median 53 vs 21 pg/ ml, p = 0.012). End diastolic and end systolic volumes were higher, and ejection fraction after stress and at rest was lower in group B (63% vs 71%, p = 0.0004 and 69% vs 75%, p = 0.008). No significant difference in NT-pro BNP levels (median 48 vs 62 pg/ml, p = 0.5) and functional parameters between the ischemic and nonischemic subjects was found. CONCLUSION: Our data show that patients with stable coronary artery disease and preserved left ventricular function have elevated levels of NT-proBNP. We could not demonstrate that the presence of myocardial ischemia per se was an additional factor leading to increase of the natriuretic propeptide (Tab. 4, Ref. 12).

Item Type: Article
Subjects: Medical and Health Sciences > Clinical medicine
Divisions: Faculty of Medical Science
Depositing User: Marija Vavlukis
Date Deposited: 23 Jun 2015 08:30
Last Modified: 23 Jun 2015 08:30
URI: http://eprints.ugd.edu.mk/id/eprint/13210

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