PMID: 16524794Mar 10, 2006Paper

The importance of lipoprotein(a) in pathogenesis of the high risk unstable angina

Anadolu Kardiyoloji Dergisi : AKD = the Anatolian Journal of Cardiology
M YaziciO Sagkan

Abstract

The aim of this study is to compare lipoprotein (a) [Lp(a)] levels in patients with low and high risk unstable angina pectoris, which is defined according to the cardiac troponin-I (Tn-I) levels and to investigate their relation with myocardial damage. From patients with chest pain; venous blood samples were collected for measuring serum Lp(a) and C-reactive protein (CRP) levels on admission and serum cTn-I levels 12 and 24 hours after admission. Fifty-nine patients with serum cTn-I levels <1.0 ng/ml were assigned as negative unstable angina group and 53 patients with serum cTn-I levels >or=1.0 ng/ml were assigned as positive unstable angina groups, respectively. Severity of coronary artery disease was determined by angiography in all patients. Compared with cTn-I negative group, Lp(a) levels were significantly higher in cTn-I positive group (52.9+/-6.0 mg/dl vs 15.7+/-2.5 mg/dl, p<0.0001). There was a significant correlation between Lp(a) and cTn-I levels (r=0.870, p=0.0001). We could not establish any correlation between Lp(a) levels and Gensini score or between multiple vessel disease and low density lipoprotein cholesterol levels (p>0.05). Also, there was no significant difference between cTn-I positive and negative groups ...Continue Reading

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