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. 2009 Jan;24 Suppl(Suppl 1):S87-94.
doi: 10.3346/jkms.2009.24.S1.S87. Epub 2009 Jan 28.

The association between kidney function, coronary artery disease, and clinical outcome in patients undergoing coronary angiography

Ki Young Na  1 , Chi Weon Kim, Young Rim Song, Ho Joon Chin, Dong-Wan Chae
Affiliations

The association between kidney function, coronary artery disease, and clinical outcome in patients undergoing coronary angiography

Ki Young Na et al. J Korean Med Sci. 2009 Jan.

Abstract

To characterize the association between chronic kidney disease (CKD), mortality, severity of coronary artery disease (CAD), treatment modality of CAD, and type of coronary stents among patients undergoing coronary angiography (CAG), we retrospectively reviewed the electronic medical records of the patients who underwent CAG at Seoul National University Bundang Hospital in Korea between May 2003 and January 2006. CKD was staged using an estimated glomerular filtration rate (eGFR) from the creatinine value prior to CAG. There were 3,637 patients included. The presence of CAD was 48% in CKD stage 1, 61% in stage 2, 73% in stage 3, 87% in stage 4, and 81% in stage 5. Survival rate gradually diminished for patients with decreasing renal function. No significant differences in all-cause and cardiac mortality were observed by medical treatment, PCI or CABG, in CKD patients with an eGFR less than 60 mL/min/1.73 m(2). CKD patients with drug-eluting stents showed significantly lower all-cause mortality (5.4% vs. 13.3%) and incidence of myocardial infarction (1.7% vs. 10%) than those with bare metal stents. In conclusion, an eGFR is a strong independent prognostic marker among patients undergoing CAG and the severity of CAD increases progressively with worsening renal function.

Keywords: Coronary Angiography; Coronary Artery Disease; Drug-eluting Stents; Kidney Failure, Chronic; Mortality.

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Figures

Fig. 1
Fig. 1
Kaplan-Meier survival curves for all-cause mortality by chronic kidney disease (CKD) stages.
See this image and copyright information in PMC

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