Levels of circulating pro-angiogenic cells predict cardiovascular outcomes in patients with chronic heart failure.

Abstract:

BACKGROUND:Circulating pro-angiogenic cells (PACs) contribute to vascular and myocardial regeneration. A low level of PACs is associated with worse outcome in patients with coronary heart disease. However, little is known about PACs in heart failure (HF). METHODS AND RESULTS:Blood was sampled at baseline in 111 patients with HF, 67 from 5 Italian Centers and 44 from Frankfurt, Germany. In cultured mononuclear cells from peripheral blood, PACs were counted as double-stained by tetramethylindocarbocyanine-labeled acetylated LDL and fluorescein-5-isothiocyanate-labeled lectin. Mean age of the patients was 62 years, 12 were females, 66 had ischemic etiology, 26 were in New York Heart Association Class >II. Cutoffs for PACs were assessed by receiver operating characteristic curves, to identify the optimal cutoffs for PAC level in predicting outcomes. Mean level of PACs was 35+/-29 (mean+/-SD) cells/mm(2), 2- to 3-fold lower than in age-matched healthy volunteers, but unrelated to severity of HF, age, or sex. Over 2.5 years, 12 cardiovascular deaths and 47 first hospitalizations for cardiovascular reasons were recorded. After adjustment for demographic and clinical variables, elevated creatinine and natriuretic peptides, and PACs

journal_name

J Card Fail

authors

Balconi G,Lehmann R,Fiordaliso F,Assmus B,Dimmeler S,Sarto P,Carbonieri E,Gualco A,Campana C,Angelici L,Masson S,Mohammed SA,Dejana E,Gorini M,Zeiher AM,Latini R,GISSI-HF Investigators.

doi

10.1016/j.cardfail.2009.05.011

subject

Has Abstract

pub_date

2009-11-01 00:00:00

pages

747-55

issue

9

eissn

1071-9164

issn

1532-8414

pii

S1071-9164(09)00187-0

journal_volume

15

pub_type

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