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Saudi J Kidney Dis Transpl. 2017 Nov-Dec;28(6):1338-1348. doi: 10.4103/1319-2442.220855.

Assessment of abdominal aortic calcification in predialysis chronic kidney disease and maintenance hemodialysis patients.

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Department of Nephrology, Sri Ramachandra University, Chennai, Tamil Nadu, India.
Department of Radiology, Sri Ramachandra University, Chennai, Tamil Nadu, India.
Department of Clinical Nutrition, Sri Ramachandra University, Chennai, Tamil Nadu, India.


Vascular calcification is associated with increased morbidity and mortality among chronic kidney disease (CKD) patients. The aim of the study was to assess the abdominal aortic calcification (AAC) in predialysis CKD patients and patients on hemodialysis (HD) and to study the risk factors associated with it. In this prospective study, 205 patients were including 104 patients with predialysis CKD and 101 patients were on maintenance hemodialysis. AAC was assessed using lateral lumbar radiography. Blood urea nitrogen, serum creatinine, albumin, calcium, phosphorus, highly sensitive C-reactive protein (hsCRP) and total cholesterol were analyzed. AAC was observed in 26 % of predialysis CKD patients and 34% in HD patients. Using multivariate analysis, the age (P = 0.001) was identified as independent predictor for the presence of AAC in predialysis patients, and for HD, the predictors were age (P = 0.025), time on dialysis (P = 0.001), hsCRP (P = 0.002), and corrected calcium (P = 0.030). In conclusion, the prevalence of AAC varies mainly with age and glomerular filtration rate levels in predialysis CKD patients. Advanced age, time on dialysis, and inflammation may be associated with presence and extent of AAC in HD patients. Further research into the risk factors and outcome for AAC is warranted.

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