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P0756THE RELATIONSHIP BETWEEN ABDOMINAL AORTIC CALCIFICATION AND PROGRESSION OF RENAL INSUFFICIENCY IN PATIENTS WITH CHRONIC KIDNEY DISEASE


 
 
 Although abdominal aortic calcification (AAC) is known to be associated with cardiovascular mortality in patients with chronic kidney disease (CKD), there are little information about the impact of AAC on progression of CKD. Therefore, we investigated the relationship between the AAC and progression of renal insufficiency in CKD patients with early stage.
 
 
 
 A total of 183 patients with CKD, stage 3 was included. The degree of AAC was evaluated by computed tomography and the score was calculated as follows: abdominal calcification index (ACI)= (total score of calcification on all slices)/12 × 1/(number of slices) × 100%. Based on tertile of ACI, the patients were divided into three groups: low-, intermediate-, and high-groups. The annual decline of glomerular filtration rate (GFR) and time to dialysis were assessed.
 
 
 
 The AAC was found (ACI > 0) in 129 patients (70.4%), and the mean ACI was 21.3 %. The average duration of follow-up was 46.9 months. The high ACI group showed higher annual decline in GFR compared to other groups (27.8 vs 14.5 vs 11.3 mL/min, p=0.042). During the follow-up, 68.8% (42/61) of high ACI group received dialysis and the time to dialysis was significantly shorter than other groups (14.8 vs. 25.8 vs.29.1 months, p=0.038)
 
 
 
 In this study, we showed the AAC was associated with rapid progression of CKD. Evaluation of the AAC in CKD with early stage provides useful information for predicting the progression of CKD.
