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PLoS One. 2013 Dec 6;8(12):e82357. doi: 10.1371/journal.pone.0082357. eCollection 2013.

Changes of plasma B-type natriuretic peptide levels after high-pressure post-dilation following coronary stent deployment.

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  • 1Department of Cardiology, No. 101 Hospital of PLA, Wuxi, Jiangsu Province, China.

Abstract

OBJECTIVE:

To evaluate the changes of plasma B-type natriuretic peptide(BNP) levels after high-pressure post-dilation following coronary stent deployment.

METHODS:

A total of 173 patients undergoing percutaneous coronary intervention for the left anterior descending artery were enrolled into the study. All patients were divided into two groups: the conventional group and the post-dilation group. The plasma BNP, troponin I(TnI), myocardial band isoenzyme of creatine kinase(CK-MB) levels and the serum high sensitive C-reactive protein(hs-CRP) levels immediately before and 24 hours after the interventional procedures were compared between the two groups.

RESULTS:

There were no significant differences between the two groups in terms of clinical features, clinical and biochemical parameters, stent parameters, pre-procedural plasma BNP and TnI levels, pre-procedural serum hs-CRP levels, as well as pre- and post-procedural CK-MB levels (all P>0.05). In the conventional group, post-procedural plasma BNP levels were significantly reduced when compared with the pre-procedural levels, median(25th,75th) were 32.5 ng/L(15.0,52.4) vs. 37.7 ng/L(18.2,67.3), P = 0.001. In the post-dilation group, post-procedural plasma BNP levels were significantly increased when compared with the pre-procedural levels, median(25th,75th) were 53.5 ng/L(29.6,82.8) vs. 44.2 ng/L(17.15,70.7), P<0.0001. Post-procedural plasma TnI levels were also significantly increased when compared with the pre-procedural levels in both groups, median(25th,75th) were 0.02 ng/L(0.01,0.08) vs. 0.01 ng/L(0.01,0.01), 0.05 ng/L(0.01,0.35) vs. 0.01 ng/L(0.01,0.01), respectively, P<0.0001, so were the serum hs-CRP levels, median(25th,75th) were 3.3 mg/L(2.4,4.7) vs. 2.2 mg/L(1.4,3.3), 4.2 mg/L(3.175,5.825) vs. 2.3 mg/L(1.45,3.6), respectively, P<0.0001. Post-procedural plasma BNP, TnI and serum hs-CRP levels in the post-dilation group were significantly higher than those in the conventional group(all P<0.0001).

CONCLUSION:

High-pressure post-dilation following coronary stent deployment resulted in a significant increase of plasma BNP levels, as well as plasma TnI levels and serum hs-CRP levels, which may be related to myocardial perfusion, more myocardial injury and more inflammation.

PMID:
24324775
[PubMed - indexed for MEDLINE]
PMCID:
PMC3855705
Free PMC Article
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