open access

Vol 18, No 3 (2011)
Original articles
Published online: 2011-06-09
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The multiplicative interactions of leukocyte counts with some other risk factors enhance the prognostic value for coronary artery disease

Mehdi Rasouli, Vida Nesarhosseini, Asadollah Mohseni Kiasari, Shahin Arab, Ramin Shariati, Davood Kazemi, Nezhatossadateh Daneshpour, Sareh Heidari
Cardiol J 2011;18(3):246-253.

open access

Vol 18, No 3 (2011)
Original articles
Published online: 2011-06-09

Abstract

Background: The markers of inflammation and (apo)lipoproteins are associated with coronary artery disease (CAD). Simultaneous assessment of the risk factors has been proposed to improve the diagnosis of CAD. The aim of this study was to examine the potential interactions between leukocyte counts and other risk factors.
Methods: The markers of inflammation, (apo)(lipo)proteins, (non)electrolytes, hematological parameters and classical risk factors, were determined in 264 clinically stable angiographically documented subjects. The subjects were classified as CAD cases or controls according to the results of coronary angiography.
Results: The frequency and severity of CAD, Framingham CAD scores, relative and absolute risk for CAD and the prevalence of diabetes mellitus and smoking were significantly higher in the third relative to the first tertile of leukocyte counts. Subjects with leukocyte counts in the upper tertile had significant higher levels of serum glucose, triglyceride, hsC-reactive protein, potassium, phosphorus and measured osmolality, and lower levels of apoAI, total protein, albumin and the ratio of albumin/globulins. Analyses by bivariate correlation on differential leukocyte counts showed that these associations are carried mostly by neutrophil, except for diabetes, glucose and triglyceride which were due to lymphocyte counts. By constructing dummy combined variables, high leukocyte counts accompanied by smoking, hypertension, diabetes, and high levels of serum glucose, cholesterol, apoB and apoB/apoAI ratio, exhibited amplified high risk for CAD.
Conclusions: The results show that leukocyte count does interact multiplicatively with smoking, hypertension, diabetes, glucose, cholesterol, apoB and apoB/AI ratio. The simultaneous assessment of leukocyte counts and interactive risk factors enhances the diagnosis of CAD. (Cardiol J 2011; 18, 3: 246–253)

Abstract

Background: The markers of inflammation and (apo)lipoproteins are associated with coronary artery disease (CAD). Simultaneous assessment of the risk factors has been proposed to improve the diagnosis of CAD. The aim of this study was to examine the potential interactions between leukocyte counts and other risk factors.
Methods: The markers of inflammation, (apo)(lipo)proteins, (non)electrolytes, hematological parameters and classical risk factors, were determined in 264 clinically stable angiographically documented subjects. The subjects were classified as CAD cases or controls according to the results of coronary angiography.
Results: The frequency and severity of CAD, Framingham CAD scores, relative and absolute risk for CAD and the prevalence of diabetes mellitus and smoking were significantly higher in the third relative to the first tertile of leukocyte counts. Subjects with leukocyte counts in the upper tertile had significant higher levels of serum glucose, triglyceride, hsC-reactive protein, potassium, phosphorus and measured osmolality, and lower levels of apoAI, total protein, albumin and the ratio of albumin/globulins. Analyses by bivariate correlation on differential leukocyte counts showed that these associations are carried mostly by neutrophil, except for diabetes, glucose and triglyceride which were due to lymphocyte counts. By constructing dummy combined variables, high leukocyte counts accompanied by smoking, hypertension, diabetes, and high levels of serum glucose, cholesterol, apoB and apoB/apoAI ratio, exhibited amplified high risk for CAD.
Conclusions: The results show that leukocyte count does interact multiplicatively with smoking, hypertension, diabetes, glucose, cholesterol, apoB and apoB/AI ratio. The simultaneous assessment of leukocyte counts and interactive risk factors enhances the diagnosis of CAD. (Cardiol J 2011; 18, 3: 246–253)
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Keywords

apoB; coronary artery disease; diabetes mellitus; leukocyte count; hypertension; smoking

About this article
Title

The multiplicative interactions of leukocyte counts with some other risk factors enhance the prognostic value for coronary artery disease

Journal

Cardiology Journal

Issue

Vol 18, No 3 (2011)

Pages

246-253

Published online

2011-06-09

Bibliographic record

Cardiol J 2011;18(3):246-253.

Keywords

apoB
coronary artery disease
diabetes mellitus
leukocyte count
hypertension
smoking

Authors

Mehdi Rasouli
Vida Nesarhosseini
Asadollah Mohseni Kiasari
Shahin Arab
Ramin Shariati
Davood Kazemi
Nezhatossadateh Daneshpour
Sareh Heidari

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