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KMID : 1199120090330050392
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Korean Diabetes Journal
2009 Volume.33 No. 5 p.392 ~ p.400
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Relationship Between Metabolic Syndrome and Risk of Chronic Complications in Koreans with Type 2 Diabetes
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Chung Hye-Soo
Chung Choon-Hee
Kim Doo-Man
Kim Sin-Gon
Kim Nan-Hee
Choi Dong-Seop
Seo Ji-A
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Abstract
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Background: We examined the relationships between components of metabolic syndrome at the time of diagnosis of type 2 diabetes, and the development of chronic complications in Korean patients with type 2 diabetes.
Methods: The medical records of patients with type 2 diabetes who had undergone treatment for at least five years prior were collected from 10 general hospitals in Korea. Among a total of 1,418 patients reviewed for possible inclusion in this study, 603 patients were selected, and the occurrence of complications among these patients was evaluated.
Results: Among the 603 patients (male, 253; female, 350), 154 males (60.8%) and 266 females (76.0%) were diagnosed with metabolic syndrome at the time of initial diagnosis of type 2 diabetes. The incidence of chronic complications (average follow-up 15.2 ± 4.9 years) included 60 cases of coronary artery disease (CAD), 57 cases of cerebrovascular accident (CVA), 268 cases of diabetic retinopathy (DR), 254 cases of diabetic nephropathy (DN), and 238 cases of diabetic peripheral neuropathy (DPN). As compared to patients without metabolic syndrome, the adjusted relative risks (95% CI) of incidental diabetic complications in patients with metabolic syndrome were 3.28 (1.40~7.71) for CAD, 2.04 (0.86~4.82) for CVA, 1.53 (1.10~2.14) for DR, 1.90 (1.29~2.80) for DN, and 1.51, (1.06~2.14) for DPN. With the addition of just one constituent of metabolic syndrome, the relative risk of developing CAD, CVD, DR, DN, and DPN increased by 2.08 (95% CI, 1.27~3.40), 1.16 (0.80~1.66), 1.09 (0.93~1.26), 1.29 (1.06~1.57) and 1.06 (0.87~1.26), respectively.
Conclusion: Metabolic syndrome in Korean patients with type 2 diabetes increases the risk of developing both macrovascular and microvascular complications.
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KEYWORD
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Diabetes complication, Metabolic syndrome X, Type 2 diabetes mellitus
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