open access

Vol 64, No 4 (2006)
Other
Published online: 2006-04-27
Submitted: 2012-12-28
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ORIGINAL Article
Changes in C-reactive protein levels following coronary stent implantation depend on the extent of periprocedural arterial injury

Krzysztof Żmudka
Kardiol Pol 2006;64(4):364-371.

open access

Vol 64, No 4 (2006)
Other
Published online: 2006-04-27
Submitted: 2012-12-28

Abstract


Background:
Coronary stenting is associated with acute inflammation within the arterial wall followed by neointimal growth. Acute inflammatory response is expressed by a marked systemic elevation of the inflammatory biomarker C-reactive protein (CRP). It has been shown that the degree and extent of CRP increase may be related to clinical presentation or periprocedural treatment.
Aim:
To investigate whether an increase in CRP level is associated with the extent of arterial injury during stent deployment.
Methods:
CRP levels were measured with a high-sensitivity CRP (hsCRP) assay. Seventy-three patients (51 males) with normal baseline plasma CRP (<3 mg/L) underwent percutaneous coronary intervention (PCI) with stent implantation for stable coronary disease. Blood samples for hsCRP were drawn before the intervention, and 6, 12 and 24 hours after the procedure. Both quantitative (single vs multivessel coronary intervention) and qualitative analyses (including lesion classification according to the ACC/AHA grading system) were performed in all patients. The examined angiographic parameters and procedural data obtained included reference diameter, lesion location, lesion length, total stented segment length, diameter of stent after deployment, maximal deployment pressure, total inflation number and duration.
Results:
The mean hsCRP level increased in all patients between baseline and 24 hours (1.36±0.93 mg/L and 4.34±3.3 mg/L, p <0.0001). Single vessel procedure was performed in 51 patients and multivessel coronary intervention in 22 patients. Mean hsCRP was similar at baseline and after 6 hours in both groups and the increase after 12 and 24 hours was higher among patients with multivessel coronary intervention compared to patients with single vessel procedure (2.69±2.48 vs 4.15±3.17; p=0.039 and 3.76±3.13 vs 5.69±3.38; p=0.021, respectively). There was no correlation between hsCRP and the degree of lesion complexity. Multiple regression analysis showed that the total stented segment length (p=0.01) contributed to the hsCRP increase after 24 hours.
Conclusions:
The inflammatory response expressed by hsCRP levels is higher in patients with multivessel coronary intervention with longer total segment stented.

Abstract


Background:
Coronary stenting is associated with acute inflammation within the arterial wall followed by neointimal growth. Acute inflammatory response is expressed by a marked systemic elevation of the inflammatory biomarker C-reactive protein (CRP). It has been shown that the degree and extent of CRP increase may be related to clinical presentation or periprocedural treatment.
Aim:
To investigate whether an increase in CRP level is associated with the extent of arterial injury during stent deployment.
Methods:
CRP levels were measured with a high-sensitivity CRP (hsCRP) assay. Seventy-three patients (51 males) with normal baseline plasma CRP (<3 mg/L) underwent percutaneous coronary intervention (PCI) with stent implantation for stable coronary disease. Blood samples for hsCRP were drawn before the intervention, and 6, 12 and 24 hours after the procedure. Both quantitative (single vs multivessel coronary intervention) and qualitative analyses (including lesion classification according to the ACC/AHA grading system) were performed in all patients. The examined angiographic parameters and procedural data obtained included reference diameter, lesion location, lesion length, total stented segment length, diameter of stent after deployment, maximal deployment pressure, total inflation number and duration.
Results:
The mean hsCRP level increased in all patients between baseline and 24 hours (1.36±0.93 mg/L and 4.34±3.3 mg/L, p <0.0001). Single vessel procedure was performed in 51 patients and multivessel coronary intervention in 22 patients. Mean hsCRP was similar at baseline and after 6 hours in both groups and the increase after 12 and 24 hours was higher among patients with multivessel coronary intervention compared to patients with single vessel procedure (2.69±2.48 vs 4.15±3.17; p=0.039 and 3.76±3.13 vs 5.69±3.38; p=0.021, respectively). There was no correlation between hsCRP and the degree of lesion complexity. Multiple regression analysis showed that the total stented segment length (p=0.01) contributed to the hsCRP increase after 24 hours.
Conclusions:
The inflammatory response expressed by hsCRP levels is higher in patients with multivessel coronary intervention with longer total segment stented.
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Keywords

C-reactive protein; stable coronary disease; stent implantation; arterial injury

About this article
Title

ORIGINAL Article
Changes in C-reactive protein levels following coronary stent implantation depend on the extent of periprocedural arterial injury

Journal

Kardiologia Polska (Polish Heart Journal)

Issue

Vol 64, No 4 (2006)

Pages

364-371

Published online

2006-04-27

Bibliographic record

Kardiol Pol 2006;64(4):364-371.

Keywords

C-reactive protein
stable coronary disease
stent implantation
arterial injury

Authors

Krzysztof Żmudka

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