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J Am Coll Cardiol. 2003 Aug 6;42(3):477-82.

Plasma C-reactive protein as a marker of cardiac allograft vasculopathy in heart transplant recipients.

Author information

1
Department of Cardiology, Rikshospitalet, Oslo, Norway. aina.hognestad@klinmed.uio.no

Abstract

OBJECTIVES:

This study was initiated to determine whether heart transplant recipients (HTRs) with cardiac allograft vasculopathy (CAV) have increased levels of high-sensitivity C-reactive protein (hsCRP) and to examine whether an increase in hsCRP after heart transplantation predicts the development of CAV. Furthermore, the effect of pravastatin on plasma levels of hsCRP in HTRs was investigated.

BACKGROUND:

The relationship between CAV and hsCRP, as well as the effect of statins on hsCRP in HTRs, has not been well established.

METHODS:

On referral for their annual angiographic control study, 150 consecutive HTRs (mean 6.5 years since transplantation) were included. Plasma levels of hsCRP were measured before angiography and compared with patients with (n = 52) and without (n = 98) CAV. In 49 of these patients, we additionally analyzed hsCRP in blood samples stored from their six-month visit after the transplantation procedure. Furthermore, in a randomized, crossover study, hsCRP was analyzed in 17 male HTRs before and after six weeks of treatment with 20 mg pravastatin.

RESULTS:

Median levels of CRP were elevated among patients with CAV compared with those with normal angiograms [3.86 (1.78 to 7.00) vs. 1.08 (0.72 to 2.13) mg/l, p < 0.001]. Prospectively evaluated hsCRP levels from six months to follow-up were significantly higher among those who developed CAV compared with those with normal angiograms [+2.76 (1.56 to 5.00) vs. +0.07 (-0.57 to 0.41) mg/l, p < 0.001]. On multivariate analysis, the increase in hsCRP was the only significant predictor of CAV. Six weeks of treatment with pravastatin significantly reduced hsCRP levels by 25%, without any relation to changes in lipid values.

CONCLUSIONS:

Elevated plasma levels of CRP are associated with angiographic evidence of CAV, and the increase in hsCRP is a strong predictor of development of CAV. Statin treatment reduces levels of hsCRP and should be used in HTRs, regardless of their lipid levels.

PMID:
12906976
DOI:
10.1016/s0735-1097(03)00645-4
[Indexed for MEDLINE]
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