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Role of vitamin D in diabetes mellitus and chronic kidney disease.

ABSTRACT: Approximately 30%-50% of people are recognized to have low levels of vitamin D, and insufficiency and deficiency of vitamin D are recognized as global health problems worldwide. Although the presence of hypovitamin D increases the risk of rickets and fractures, low vitamin D levels are also associated with hypertension, cancer, and cardiovascular disease. In addition, diabetes mellitus (DM) and chronic kidney disease (CKD) are also related to vitamin D levels. Vitamin D deficiency has been linked to onset and progression of DM. Although in patients with DM the relationship between vitamin D and insulin secretion, insulin resistance, and ?-cell dysfunction are pointed out, evidence regarding vitamin D levels and DM is contradictory, and well controlled studies are needed. In addition, vitamin D influences the renin-angiotensin system, inflammation, and mineral bone disease, which may be associated with the cause and progression CKD. There is increasing evidence that vitamin D deficiency may be a risk factor for DM and CKD; however, it remains uncertain whether vitamin D deficiency also predisposes to death from DM and CKD. Although at this time, supplementation with vitamin D has not been shown to improve glycemic control or prevent incident DM, clinical trials with sufficient sample size, study periods, and optimal doses of vitamin D supplementation are still needed. This review focuses on the mechanism of vitamin D insufficiency and deficiency in DM or CKD, and discusses the current evidence regarding supplementation with vitamin D in patients with these diseases.

SUBMITTER: Nakashima A

PROVIDER: S-EPMC4781904 | biostudies-literature | 2016 Mar

REPOSITORIES: biostudies-literature

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Role of vitamin D in diabetes mellitus and chronic kidney disease.

Nakashima Akio A Yokoyama Keitaro K Yokoo Takashi T Urashima Mitsuyoshi M

World journal of diabetes 20160301 5

Approximately 30%-50% of people are recognized to have low levels of vitamin D, and insufficiency and deficiency of vitamin D are recognized as global health problems worldwide. Although the presence of hypovitamin D increases the risk of rickets and fractures, low vitamin D levels are also associated with hypertension, cancer, and cardiovascular disease. In addition, diabetes mellitus (DM) and chronic kidney disease (CKD) are also related to vitamin D levels. Vitamin D deficiency has been linke ...[more]

PMID: 26981182

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Project description:Diabetes mellitus, heart failure (HF), and chronic kidney disease are common comorbidities, but overall use and safety of antihyperglycemic medications (AHMs) among patients with these comorbidities are poorly understood.Using Get With the Guidelines-Heart Failure and linked Medicare Part D data, we assessed AHM use within 90 days of hospital discharge among HF patients with diabetes mellitus discharged from Get With the Guidelines-Heart Failure hospitals between January 1, 2006, and October 1, 2011. We further summarized use by renal function and assessed renal contraindicated AHM use for patients with estimated glomerular filtration rate <30 mL/min/1.73m(2). Among 8791 patients meeting inclusion criteria, the median age was 77 (interquartile range 71-83), 62.3% were female, median body mass index was 29.7 (interquartile range 25.5-35.3), median hemoglobin A1c was 6.8 (interquartile range 6.2-7.8), and 34% had ejection fraction <40%. 74.9% of patients filled a prescription for an AHM, with insulin (39.5%), sulfonylureas (32.4%), and metformin (17%) being the most commonly used AHMs. Insulin use was higher and sulfonylurea/metformin use was lower among patients with lower renal function classes. Among 1512 patients with estimated glomerular filtration rate <30 mL/min/1.73m(2), 35.4% filled prescriptions for renal contraindicated AHMs per prescribing information, though there was a trend toward lower renal contraindicated AHM use over time (Cochran-Mantel-Haenszel row-mean score test P=0.048). Although use of other AHMs was low overall, thiazolidinediones were used in 6.6% of HF patients, and dipeptidyl peptidase-4 inhibitors were used in 5.1%, with trends for decreasing thiazolidinedione use and increased dipeptidyl peptidase-4 inhibitor use over time (P<0.001).Treatment of diabetes mellitus in patients with HF and chronic kidney disease is complex, and these patients are commonly treated with renal contraindicated AHMs, including over 6% receiving a thiazolidinedione, despite known concerns regarding HF. More research regarding safety and efficacy of various AHMs among HF patients is needed.

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Role of vitamin D in diabetes mellitus and chronic kidney disease.

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Role of vitamin D in diabetes mellitus and chronic kidney disease.

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