Predicting non-diabetic renal disease in type 2 diabetic adults

The value of glycated hemoglobin

Maria Pallayova, Azharuddin Mohammed, Gerald Langman, Shahrad Taheri, Indranil Dasgupta

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

Aims The indications for renal biopsy in type 2 diabetes mellitus (T2D) are not well established. We investigated the prevalence, spectrum, and predictors of biopsy-proven non-diabetic renal disease (NDRD) in T2D. Methods An observational, single-center, retrospective study of T2D adults who underwent renal biopsies (N = 51) over 10 years for nephrotic-range proteinuria, microscopic hematuria, or rapidly declining renal function. Results Thirty-five (68.6%) biopsies were diagnostic of NDRD, and 16 (31.4%) revealed isolated diabetic nephropathy. The most common NDRDs were interstitial nephritis (20%), progressive crescentic glomerulonephritis (14%), membranous nephropathy (11%), and focal segmental glomerulosclerosis (11%). The odds for NDRD declined by 97% in the presence of diabetic retinopathy (P < 0.001). The deterioration of HbA1c during the year before biopsy predicted NDRD even after adjusting for diabetic retinopathy (OR, 7.65; 95% CI, 1.36-123.04; P = 0.003). A model based on the interaction between the HbA1c values 12 months before biopsy and the absolute change in these values during the preceding year predicted NDRD with 73.7% sensitivity and 75% specificity (AUC, 0.77; 95% CI, 0.59-0.94). Conclusions This study demonstrated a considerably high prevalence of NDRD in T2D adults undergoing renal biopsy. The absence of diabetic retinopathy, lower HbA1c values 12 months before biopsy and greater deterioration in HbA1c prior to biopsy predicted NDRD in T2D. Further studies are needed to validate the findings.

Original languageEnglish
Pages (from-to)718-723
Number of pages6
JournalJournal of Diabetes and its Complications
Volume29
Issue number5
DOIs
Publication statusPublished - 1 Jul 2015
Externally publishedYes

Fingerprint

Glycosylated Hemoglobin A
Kidney
Biopsy
Type 2 Diabetes Mellitus
Diabetic Retinopathy
Focal Segmental Glomerulosclerosis
Interstitial Nephritis
Membranous Glomerulonephritis
Diabetic Nephropathies
Hematuria
Glomerulonephritis
Proteinuria
Area Under Curve
Retrospective Studies
Sensitivity and Specificity

Keywords

  • Glycated hemoglobin
  • Non-diabetic renal disease
  • Renal biopsy
  • Renal disease
  • Type 2 diabetes mellitus

ASJC Scopus subject areas

  • Internal Medicine
  • Endocrinology, Diabetes and Metabolism
  • Endocrinology

Cite this

Predicting non-diabetic renal disease in type 2 diabetic adults : The value of glycated hemoglobin. / Pallayova, Maria; Mohammed, Azharuddin; Langman, Gerald; Taheri, Shahrad; Dasgupta, Indranil.

In: Journal of Diabetes and its Complications, Vol. 29, No. 5, 01.07.2015, p. 718-723.

Research output: Contribution to journalArticle

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abstract = "Aims The indications for renal biopsy in type 2 diabetes mellitus (T2D) are not well established. We investigated the prevalence, spectrum, and predictors of biopsy-proven non-diabetic renal disease (NDRD) in T2D. Methods An observational, single-center, retrospective study of T2D adults who underwent renal biopsies (N = 51) over 10 years for nephrotic-range proteinuria, microscopic hematuria, or rapidly declining renal function. Results Thirty-five (68.6{\%}) biopsies were diagnostic of NDRD, and 16 (31.4{\%}) revealed isolated diabetic nephropathy. The most common NDRDs were interstitial nephritis (20{\%}), progressive crescentic glomerulonephritis (14{\%}), membranous nephropathy (11{\%}), and focal segmental glomerulosclerosis (11{\%}). The odds for NDRD declined by 97{\%} in the presence of diabetic retinopathy (P < 0.001). The deterioration of HbA1c during the year before biopsy predicted NDRD even after adjusting for diabetic retinopathy (OR, 7.65; 95{\%} CI, 1.36-123.04; P = 0.003). A model based on the interaction between the HbA1c values 12 months before biopsy and the absolute change in these values during the preceding year predicted NDRD with 73.7{\%} sensitivity and 75{\%} specificity (AUC, 0.77; 95{\%} CI, 0.59-0.94). Conclusions This study demonstrated a considerably high prevalence of NDRD in T2D adults undergoing renal biopsy. The absence of diabetic retinopathy, lower HbA1c values 12 months before biopsy and greater deterioration in HbA1c prior to biopsy predicted NDRD in T2D. Further studies are needed to validate the findings.",
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