Coronary Calcification in Patients with Chronic Kidney Disease and Coronary Artery Disease

A close linkage between chronic kidney disease (CKD) and cardiovascular disease (CVD) has been demonstrated. Coronary artery calcification (CAC) is considered to be the causal link connecting them. The aim of the study is to determine the relationship between level of kidney function and the prevale...

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Published in:	Clinical journal of the American Society of Nephrology Vol. 4; no. 12; pp. 1892 - 1900
Main Authors:	Nakamura, Satoko, Ishibashi-Ueda, Hatsue, Niizuma, Sinichiro, Yoshihara, Fumiki, Horio, Takeshi, Kawano, Yuhei
Format:	Journal Article
Language:	English
Published:	United States American Society of Nephrology 01-12-2009
Series:	Original Articles
Subjects:	Aged Aged, 80 and over Autopsy Calcinosis - mortality Calcinosis - pathology Calcinosis - physiopathology Coronary Artery Disease - mortality Coronary Artery Disease - pathology Coronary Artery Disease - physiopathology Coronary Vessels - pathology Female Humans Logistic Models Male Middle Aged Morbidity Multivariate Analysis Necrosis Original Prevalence Renal Insufficiency, Chronic - mortality Renal Insufficiency, Chronic - pathology Renal Insufficiency, Chronic - physiopathology Risk Factors
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Summary:	A close linkage between chronic kidney disease (CKD) and cardiovascular disease (CVD) has been demonstrated. Coronary artery calcification (CAC) is considered to be the causal link connecting them. The aim of the study is to determine the relationship between level of kidney function and the prevalence of CAC. Autopsy subjects known to have coronary artery disease and a wide range of kidney function were studied. Patients without CKD were classified into five groups depending on estimated GFR (eGFR) and proteinuria: eGFR > or =60 ml/min/1.73 m(2) without proteinuria; CKD1/2: eGFR > or =60 ml/min/1.73 m(2) with proteinuria; CKD3: 60 ml/min/1.73 m(2) >eGFR > or =30 ml/min/1.73 m(2); CKD4/5: eGFR <30 ml/min/1.73 m(2); and CKD5D: on hemodialysis. Intimal and medial calcification of the coronary arteries was evaluated. Risk factors for CVD and uremia were identified as relevant to CAC using logistic regression analysis. Intimal calcification of plaques was present in all groups, but was most frequent and severe in the CKD5D group and less so in the CKD4/5 and CKD3 groups. Risk factors included luminal stenosis, age, smoking, diabetes, calcium-phosphorus product, inflammation, and kidney function. Medial calcification was seen in a small number of CKD4/5 and CKD5D groups. Risk factors were use of calcium-containing phosphate binders, hemodialysis treatment, and duration. It was concluded that CAC was present in the intimal plaque of both nonrenal and renal patients. Renal function and traditional risks were linked to initimal calcification. Medial calcification occurred only in CKD patients.
Bibliography:	ObjectType-Article-1 SourceType-Scholarly Journals-1 ObjectType-Feature-2 content type line 23
ISSN:	1555-9041 1555-905X
DOI:	10.2215/CJN.04320709