Korean Diabetes Journal 1998;22(3):338-343.
Published online January 1, 2001.
High Serum Lipoprotein ( a ) Levels in Korean Type 2 Diabetic Patients with Proliferative Diabetic retinopathy.
Hyung Joo Park, Chul Hee Kim, Yun Ey Chung, Sang Wook Kim, Jin Yub Kim, Eun Sook Kim, Sung Kwan Hong, Ki Up Lee
To examine the possible association between serum lipoprotein(a) (Lp(a)) concentration and proliferative diabetic retinopathy(PDR) in Korean patients with type 2 diabetes mellitus. METHODS: A total of 412 Korean outpatients with type 2 diabetes were examined. Diabetic retinopathy was determined by fundoscopic examination by an ophthalmologist and/or by fluorecein angiography. Semm Lp(a) levels were measured by one step sandwich ELISA method. RESULTS: The patient with PDR had higher serum Lp(a) levels than those with no retinopathy or non-proliferative diabetic retinopathy(NPDR). Multiple logistic regression analysis showed that serum Lp(a) level and the presence of diabetic nephropathy were independent variables having a statistically significant association with PDR. CONCLUSION: Korean type 2 diabetic patients with PDR had higher serum Lp(a) levels compared with those with no retinopathy or NPDR. Although these results suggested that Lp(a) might play a role in the occlusion of retinal capillaries leading to PDR, further prospective studies are required to prove causal relationship.
Key Words: Proliferative diabetic retinopathy, Lipoprotein(a), Korean, Type 2 diabetes

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