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Associations between serum apolipoproteins, urinary albumin excretion rate, estimated glomerular filtration rate, and diabetic retinopathy in individuals with type 2 diabetes.

ABSTRACT: The published data regarding the role of serum apolipoprotein (apo) A-I, apoB, and the apoB/A-I ratio in the risk of diabetic retinopathy remain inconsistent, and there is limited information about the effect of renal status on their associations in individuals with type 2 diabetes. The aim of this study was to investigate whether serum apoA-I, apoB, and the apoB/A-I ratio are associated with the presence of diabetic retinopathy in type 2 diabetes and to explore whether the relationships between these apolipoproteins and diabetic retinopathy are modified by urinary albumin excretion rate (UACR) and estimated glomerular filtration rate (eGFR).In total, 1215 individuals with type 2 diabetes were included in this cross-sectional study. Serum levels of apoA-I and apoB and the apoB/apoA-I ratio were measured. A logistic regression model was performed to explore associations of apolipoproteins with retinopathy.Individuals with diabetic retinopathy had significantly lower levels of serum apoA-I and higher apoB/apoA-I ratio than those without diabetic retinopathy. In the multivariable analyses, the associations between apoA-I and diabetic retinopathy and between the apoB/apoA-I ratio and diabetic retinopathy were statistically significant after adjustment for the traditional risk factors (odds ratio [OR] per standard deviation [SD] increase in the log-transformed value; 0.55, 95% confidence interval (CI); 0.32 to 0.97, P?=?.038; OR per SD increase in the log-transformed value; 2.83, 95% CI; 1.18 to 6.76, P?=?.019; respectively). Additional adjustments for UACR or eGFR removed the significant associations.In individuals with type 2 diabetes, serum apoA-I and the apoB/apoA-I ratio are associated with presence of diabetic retinopathy, which might be attributable to the correlated changes in UACR and eGFR.

SUBMITTER: Chung JO

PROVIDER: S-EPMC6531206 | biostudies-literature | 2019 May

REPOSITORIES: biostudies-literature

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Associations between serum apolipoproteins, urinary albumin excretion rate, estimated glomerular filtration rate, and diabetic retinopathy in individuals with type 2 diabetes.

Chung Jin Ook JO Park Seon-Young SY Cho Dong Hyeok DH Chung Dong Jin DJ Chung Min Young MY

Medicine 20190501 20

The published data regarding the role of serum apolipoprotein (apo) A-I, apoB, and the apoB/A-I ratio in the risk of diabetic retinopathy remain inconsistent, and there is limited information about the effect of renal status on their associations in individuals with type 2 diabetes. The aim of this study was to investigate whether serum apoA-I, apoB, and the apoB/A-I ratio are associated with the presence of diabetic retinopathy in type 2 diabetes and to explore whether the relationships between ...[more]

PMID: 31096517

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Project description:The role of retinal vasculature's dysfunction in the physiopathology of Diabetic Retinopathy (DR) has been extensively described. Recently, the existence of a diabetic choroidal vasculopathy has been proposed. The purpose of this study was to compare choroidal thickness (CT) in nondiabetic patients and in type 2 diabetic patients without retinopathy, using EDI SD-OCT. Additionally, considering the diabetic patient group, compare CT in patients with and without microalbuminuria. This retrospective study selected patients sent from primary health-care centers as part of the national screening of diabetic retinopathy. Inclusion criteria were diagnosis of type 2 diabetes mellitus, absence of diabetic retinopathy, and a 24 hours urinary albumin measurement in the last 3 months at the primary health-care center. Nondiabetic patients were selected from a database in the ophthalmology department, and only healthy patients were included. At the screening visit, all patients performed a complete ophthalmologic examination by the same examiner. All eyes were examined with SD- OCT, and all scans were performed in the EDI mode. Measurements were made at three points: subfoveal, 1500??m temporally and nasally to the foveal center. We included 110 eyes of 110 diabetic patients without diabetic retinopathy and 30 eyes of 30 healthy controls. Mean subfoveal CT was greater in diabetic patients without retinopathy (with normoalbuminuria or microalbuminuria) when compared with nondiabetic patients (p < 0.05). In diabetic patients without retinopathy, the subfoveal and temporal choroid was thicker among patients with microalbuminuria when compared with those of normoalbuminuric patients (p < 0.05). The subfoveal and temporal choroid was thicker among diabetic patients with microalbuminuria compared with nondiabetic patients. (p < 0.05). This study suggests that choroidal changes are present in type 2 diabetic patients even before the clinical development of retinopathy.

Project description:Background and objectivesMarijuana use has become more widely accepted in the United States and has been legalized in many areas. Although it is biologically plausible that marijuana could affect kidney function, epidemiologic data are lacking.Design, setting, participants, & measurementsWe conducted a cohort study among young adults with preserved eGFR (i.e., eGFR?60 ml/min per 1.73 m2) using data from the Coronary Artery Risk Development in Young Adults (CARDIA) study. At scheduled examinations occurring every 5 years and starting at study year 10 (calendar years, 1995-1996), cystatin C was collected over a 10-year period, and urine albumin-to-creatinine ratio was collected over a 15-year period. We investigated the cross-sectional association between current and cumulative marijuana use (in marijuana-years; one marijuana-year equals 365 days of marijuana use) and eGFR by cystatin C (eGFRcys) at year 10. In longitudinal analyses, we investigated the association between cumulative marijuana use and eGFRcys change and rapid (?3%/year) eGFRcys decline over two 5-year intervals and prevalent albuminuria (urine albumin-to-creatinine ratio ?30 mg/g) over a 15-year period.ResultsPast or current marijuana use was reported by 83% (3131 of 3765) of the cohort, and the mean eGFRcys was 111 ml/min per 1.73 m2 at year 10. Over the following 10 years, 504 had rapid eGFRcys decline, and over the following 15 years, 426 had prevalent albuminuria. Compared with no use, daily current use and ?5 marijuana-years of cumulative use were associated with lower eGFRcys at year 10: -4.5% (95% confidence interval, -8.1 to -0.7%; P=0.02) and -3.0% (95% confidence interval, -5.6 to -0.4%; P=0.03), respectively. Marijuana use was not significantly associated with eGFRcys change, rapid eGFRcys decline, or prevalent albuminuria.ConclusionsAlthough we identified a modest cross-sectional association between higher marijuana exposure and lower eGFRcys among young adults with preserved eGFR, our findings were largely null and did not demonstrate a longitudinal association between marijuana use and eGFRcys change, rapid eGFRcys decline, or prevalent albuminuria.PodcastThis article contains a podcast at https://www.asn-online.org/media/podcast/CJASN/2017_08_24_CJASNPodcast_17_10.mp3.

Dataset Information

Associations between serum apolipoproteins, urinary albumin excretion rate, estimated glomerular filtration rate, and diabetic retinopathy in individuals with type 2 diabetes.

Publications

Associations between serum apolipoproteins, urinary albumin excretion rate, estimated glomerular filtration rate, and diabetic retinopathy in individuals with type 2 diabetes.

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