Analysis of Cardiovascular Disease in Chinese Inpatients with Chronic Kidney Disease

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Objective To investigate the prevalence of cardiovascular disease (CVD) in a Chinese patient population with different stages of chronic kidney disease (CKD). Methods Six hundred and two CKD patients who were hospitalized in Ruijin Hospital between Jan. 2004 and Jan. 2006 were selected. Patients' medical histories and the results of laboratory tests were reviewed. Results The prevalence of CVD in 602 patients with CKD stages 1 to 5 was 1.28%, 17.24%, 22.86%, 33.33%, 56.2% respectively. The prevalence of CVD in CKD stage 5 patients with dialysis was 78.51%. In all the patients, the prevalence of coronary artery disease (CAD), left ventricular hypertrophy (LVH), and congestive heart failure (CHF) was 8.64% (52/602), 26% (154/602), and 13% (78/602), respectively. Regarding co-morbidities of CVD, 34.52% of patients had 2 or more of the above abnormalities. The prevalence of CAD in patients with CKD stages 1 to 5 respectively was 1.28%, 5.75%, 7.86%, 10.26%, 12.33%;LVH was 0%, 11.49%, 16.43%, 29.49%, 44.75%; and CHF was 0%, 3.45%, 3.57%, 8.97%, 28.77%. Conclusion The occurrence of CVD started from CKD stage 1 and increased with the progression of CKD. The screening and prevention of CVD should begin at CKD stage 1.