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KMID : 1200020180420030224
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Diabetes & Metabolism Journal
2018 Volume.42 No. 3 p.224 ~ p.232
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Higher Prevalence and Progression Rate of Chronic Kidney Disease in Elderly Patients with Type 2 Diabetes Mellitus
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Kim Kyung-Soo
Park Seok-Won
Cho Yong-Wook
Kim Soo-Kyung
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Abstract
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Background: To evaluate the prevalence of chronic kidney disease (CKD) and progression rate to CKD in elderly patients with type 2 diabetes mellitus (T2DM).
Methods: We investigated the medical records of 190 elderly patients (65 years or older) with T2DM from 2005 to 2011 in 6-month increments. Mean follow-up duration was 64.5 months. CKD was defined as estimated glomerular filtration rate (eGFR) <60 mL/min/1.73 m2 and/or the presence of albuminuria.
Results: The mean age was 70.4 years and mean diabetes duration was 10.6 years. Among all the participants, 113 patients (59.5%) had CKD. The eGFR was significantly decreased between baseline (65.7±15.0 mL/min/1.73 m2) and the end of follow-up (52.7±17.5 mL/min/1.73 m2,P<0.001). At the end of follow-up, the prevalence of eGFR <60 mL/min/1.73 m2 had increased by 61.6% (at baseline, 44.2%). Furthermore, in patients with eGFR ≥60 mL/min/1.73 m2, the progression rate to more than CKD stage 3 was 39.6% at the end of follow-up; 30.2% of elderly diabetic patients had progressed to albuminuria from normoalbuminuria. Kaplan-Meier analysis showed that the time interval to worsening nephropathy was significantly shorter in elderly patients with diabetes duration ≥10 years than in those with diabetes duration <5 years (P=0.018).
Conclusion: CKD was commonly observed in older patients with T2DM, and the progression rate to CKD is also high. Consequently, it is important to identify and manage CKD as early as possible in elderly patients with T2DM, especially in those with diabetes duration ≥10 years.
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KEYWORD
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Aged, Albuminuria, Diabetes mellitus, type 2, Morbidity, Renal insufficiency, chronic
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