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Relationships of pancreatic beta-cell function with microalbuminuria and glomerular filtration rate in middle-aged and elderly population without type 2 diabetes mellitus: a Chinese community-based analysis

Authors Fu S, Zhou S, Luo L, Ye P

Received 11 February 2017

Accepted for publication 11 April 2017

Published 3 May 2017 Volume 2017:12 Pages 753—757

DOI https://doi.org/10.2147/CIA.S134496

Checked for plagiarism Yes

Review by Single-blind

Peer reviewers approved by Dr Amy Norman

Peer reviewer comments 2

Editor who approved publication: Dr Wu


Shihui Fu,1,2 Shanjing Zhou,3 Leiming Luo,1 Ping Ye1

1Department of Geriatric Cardiology, 2Department of Cardiology and Hainan Branch, 3Department of Traditional Chinese Medicine and Hainan Branch, Chinese People’s Liberation Army General Hospital, Beijing, People’s Republic of China

Background: Relationships of pancreatic beta-cell function abnormality with microalbuminuria (MA) and glomerular filtration rate (GFR) may differ by age, ethnicity and accompanied diseases. Previous studies were generally conducted in Western adult patients with type 2 diabetes mellitus (T2DM), and it is uncertain whether pancreatic beta-cell function is associated with MA and GFR in Chinese community-dwelling middle-aged and elderly population without T2DM. We therefore examined the relationships of pancreatic beta-cell function with two indices of renal damage, MA and GFR, in Chinese community-dwelling middle-aged and elderly population without T2DM.
Methods: This analysis focused on 380 Beijing residents older than 45 years who were free of T2DM and completed the evaluation of pancreatic beta-cell function.
Results: Median age was 67 (49–80) years. Levels of triglyceride, diastolic blood pressure and homeostasis model assessment-beta (HOMA-beta) index were positively related to urine microalbumin (P<0.05 for all). Age, low-density lipoprotein cholesterol levels and HOMA-beta index were inversely correlated with GFR, while high-density lipoprotein cholesterol levels were positively correlated with GFR (P<0.05 for all). In all three adjustment models, there was a significant positive association between HOMA-beta index and MA; subjects with higher beta-cell function had higher odds of MA (P<0.05 for all). There was no association between HOMA-beta index and GFR <60 mL/min/1.73 m2 in any model (P>0.05 for all).
Conclusion: Modeling the pancreatic beta-cell function with different adjusted variables provided the same conclusion of association with MA; beta-cell function was positively associated with MA. Additionally, there was a specific difference in the adjusted associations of pancreatic beta-cell function with MA and GFR <60 mL/min/1.73 m2; beta-cell function was not independently associated with GFR <60 mL/min/1.73 m2. This result indicated that abnormal pancreatic beta-cell function plays an important role in the development of MA.

Keywords: pancreatic beta-cell function, microalbuminuria, glomerular filtration rate, Chinese community-dwelling population, middle-aged and elderly
 

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