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Increased endothelial monocyte adhesiveness is related to clinical outcomes in chronic heart failure.

Abstract：

BACKGROUND:Vascular inflammation and endothelial dysfunction are evident in patients with chronic heart failure (CHF). We hypothesized that circulating peripheral blood mononuclear cells (PBMCs) may be activated and the resultant increased endothelial monocyte adhesion may be functionally and pathophysiologically relevant in CHF. In the present study, we investigated the clinical significance of the activity of PBMCs in patients with CHF. METHODS:PBMCs were isolated from 34 CHF patients, from 10 healthy volunteers (normal control group) and from 17 patients admitted for investigation of suspected coronary artery disease (disease control group). In each patient, the adhesiveness of PBMCs to cultured human aortic endothelial cells (HAECs) with or without tumor necrosis factor-alpha (TNF-alpha) stimulation was determined. Major adverse cardiac events (death, heart transplantation or hospitalization with worsening heart failure) were determined in the 34 CHF patients during a median follow-up period of 182 days. RESULTS:Compared with those from both control groups and from mild CHF patients, PBMCs isolated from severe CHF patients adhered more to the HAECs. The endothelial adhesiveness of PBMCs correlated positively with the circulating levels of CAMs and can supply prognostic information in CHF patients. The difference between event-free curves based on the median levels of endothelial-PBMC adhesion was significant (log rank test, p=0.0139). CONCLUSIONS:Endothelial adhesiveness of PBMCs is increased and correlated to clinical outcomes, and may be pathophysiologically relevant to the progression of CHF.

journal_name

Int J Cardiol

journal_title

International journal of cardiology

authors

Yin WH,Chen JW,Young MS,Lin SJ

doi

10.1016/j.ijcard.2006.11.012

subject

Has Abstract

pub_date

2007-10-18 00:00:00

pages

276-83

issue

3

eissn

0167-5273

issn

1874-1754

pii

S0167-5273(06)01416-1

journal_volume

121

pub_type

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