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Renal Structure in Normoalbuminuric and Albuminuric Patients With Type 2

Featured Article :. Renal Structure in Normoalbuminuric and Albuminuric Patients With Type 2 Diabetes and Impaired Renal Function.

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Renal Structure in Normoalbuminuric and Albuminuric Patients With Type 2

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  1. Featured Article: Renal Structure in Normoalbuminuric and Albuminuric Patients With Type 2 Diabetes and Impaired Renal Function Elif I. Ekinci, P.H.D., George Jerums, M.D., Alison Skene, M.B.B.S., Paul Crammer, B.A.P.P.S.C., David Power, P.H.D., Karey Y. Cheong, B.S.C., Sianna Panagiotopoulos, P.H.D., Karen McNeil, M.B.B.S., Scott T. Baker, M.B.B.S., Paola Fioretto, M.D., Richard J. MacIsaac, P.H.D., Diabetes Care Volume 36: 3620-3626 November, 2013

  2. STUDY OBJECTIVE • To compare renal biopsy findings in patients with type 2 diabetes and estimated glomerular filtration rate (eGFR) and measure GFR of <60 mL/min/1.73 m2, associated with normo-, micro-, or macroalbuminuria Ekinci E. I. et al. Diabetes Care 2013;36:3620-3626

  3. STUDY DESIGN AND METHODS • In patients with normo- or microalbuminuria, renal biopsies were performed according to a research protocol • In patients with macroalbuminuria, biopsies were performed according to clinical indication • Findings were categorized according to the Fioretto classification: • • Category 1 (C1): normal/near normal • • Category 2 (C2): typical diabetic nephropathy (DN) with predominantly glomerular changes • • Category 3 (C3): atypical with disproportionately severe interstitial/tubular/vascular damage and with no/mild diabetic glomerular changes Ekinci E. I. et al. Diabetes Care 2013;36:3620-3626

  4. Ekinci E. I. et al. Diabetes Care 2013;36:3620-3626

  5. Ekinci E. I. et al. Diabetes Care 2013;36:3620-3626

  6. Ekinci E. I. et al. Diabetes Care 2013;36:3620-3626

  7. RESULTS • Typical glomerular changes (C2) of DN were observed in 22 of 23 subjects with micro- or macroalbuminuria compared with 3 of 8 subjects with normoalbuminuria • Predominantly interstitial or vascular changes (C3) were seen in only 1 of 23 subjects with micro- or macroalbuminuria compared with 3 of 8 normoalbuminuric subjects • Mesangial area increased progressively from normal controls to patients with type 2 diabetes and normo-, micro-, and macroalbuminuria • Varying degrees of arteriosclerosis were seen in seven of eight subjects with normoalbuminuria Ekinci E. I. et al. Diabetes Care 2013;36:3620-3626

  8. Ekinci E. I. et al. Diabetes Care 2013;36:3620-3626

  9. Ekinci E. I. et al. Diabetes Care 2013;36:3620-3626

  10. CONCLUSIONS • Typical renal structural changes of DN were observed in patients with type 2 diabetes and elevated albuminuria • In normoalbuminuric renal insufficiency, these changes were seen less frequently, likely reflecting greater contributions from aging, hypertension, and arteriosclerosis Ekinci E. I. et al. Diabetes Care 2013;36:3620-3626

  11. Ekinci E. I. et al. Diabetes Care 2013;36:3620-3626

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