The association between upper gastrointestinal lesions and high-sensitivity C-reactive protein in coronary artery disease patients.
BACKGROUND
Although high-sensitivity C-reactive protein (hs-CRP) testing is not specific for coronary atherosclerosis, elevated hs-CRP is recently accepted as an independent predictor of future cardiovascular events. Also, a connection between upper gastrointestinal lesions (UGILs) and coronary artery disease (CAD) has been observed. The authors hypothesized that UGILs increase hs-CRP in CAD patients.


METHODS
One hundred fifty patients with stable CAD were enrolled in the study. Demographic and clinical variables and chronic medication used were gathered from a structured questionnaire. UGIL severity was determined by a modified Lanza score, H. pylori status by histology of the gastric mucosa, and the severity of CAD by a modified Gensini score. Independent correlation between hs-CRP and UGIL was tested by logistic regression analysis.


RESULTS
The overall hs-CRP value was higher in patients with UGIL than in those with normal endoscopic results (8.14+/-4.53 mg/l vs. 4.64+/-3.06 mg/l, P<0.0001). hs-CRP level positively correlated with UGIL severity (r=0.434, P<0.0001). Correlation between UGIL and hs-CRP level remained significant after adjustment for coronary risk factors, medication used, CAD severity, and H. pylori status (standardized coefficient beta=1.272, P<0.0001). However, when hs-CRP level was used as a categorical variable, multivariate analysis revealed independent correlation only between UGIL and hs-CRP categories > or =6.1 mg/l.


CONCLUSIONS
Elevated hs-CRP levels may be predictive of UGIL; thus endoscopy should be considered in CAD patients with elevated hs-CRP even with no dyspeptic symptoms. Because CRP plays an active role in atherothrombosis, UGILs with subsequent elevated CRP levels could increase cardiovascular risk in those patients.
Fabijanić
Damir
D
University Hospital Split, Split, Croatia. damir.fabijanic@st.t-com.hr
Banić
Marko
M
Kardum
Dusko
D
Sutlić
Zeljko
Z
Simunić
Miroslav
M
Bonacin
Damir
D
Romić
Zeljko
Z
Petricusić
Lidija
L
Kujundzić
Milan
M
D002097:C-Reactive Protein / Q000378:metabolism*; D003324:Coronary Artery Disease / Q000150:complications* / Q000378:metabolism*; D004415:Dyspepsia / Q000150:complications; D005260:Female; D005767:Gastrointestinal Diseases / Q000150:complications* / Q000378:metabolism; D006801:Humans; D008297:Male; D008875:Middle Aged; D012044:Regression Analysis
D002097:C-Reactive Protein