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Hypoglycemia is associated with dementia in elderly patients with type 2 diabetes mellitus: An analysis based on the Korea National Diabetes Program Cohort

Authors
Chin, SO | Rhee, SY | Chon, S | Baik, SH | Park, Y | Nam, MS | Lee, KW  | Chun, KH  | Woo, JT | Kim, YS
Citation
Diabetes research and clinical practice, 122. : 54-61, 2016
Journal Title
Diabetes research and clinical practice
ISSN
0168-82271872-8227
Abstract
AIM: Although hypoglycemia is associated with cognitive dysfunction, including dementia, in patients with type 2 diabetes mellitus (DM), the data are equivocal. The purpose of this study was to investigate the association between hypoglycemia, dementia, and other cognitive dysfunctions. METHODS: This was a prospective observational study based upon the Korea National Diabetes Program (KNDP). Among the 4540 participants in the KNDP cohort, individuals aged 60years without any history of hypoglycemia or cognitive dysfunction (n=1957) were included. Nationally representative data from the Health Insurance Review and Assessment Service of Korea claim database were used to obtain a more precise determination of patient outcome. RESULTS: During a mean follow-up period of 3.4+/-0.9years, 118 subjects experienced hypoglycemia-related events. The incidence of dementia and cognitive dysfunction was 7.5 cases per 1000 person-years (PY) and 0.61 cases per 1000 PY, respectively. In the subjects who experienced hypoglycemic events (relative to those who did not), the incidence of dementia was significantly higher (P=0.0139), but the incidence of cognitive dysfunction was not (P=0.1106). Hypoglycemic events were associated with dementia (HR, 2.689: 95% CI, 1.080-6.694, P=0.0335) following multiple adjustments. There was also a significant linear trend toward an increased dementia risk commensurate with an increasing number of hypoglycemic events (P=0.0286). CONCLUSIONS: Hypoglycemia is significantly associated with the risk of dementia in Korean type 2 DM patients aged 60years.
MeSH

DOI
10.1016/j.diabres.2016.09.027
PMID
27810686
Appears in Collections:
Journal Papers > School of Medicine / Graduate School of Medicine > Endocrinology & Metabolism
Journal Papers > School of Medicine / Graduate School of Medicine > Preventive Medicine & Public Health
Ajou Authors
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