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Soo Yeon Park  (Park SY) 6 Articles
Effect of Valsartan on Blood Pressure and Urinary Albumin Excretion in Hypertensive Type 2 Diabetic Patients: An Open-Label, Multicenter Study.
Se Jun Park, Dae Jung Kim, Hae Jin Kim, Soo Yeon Park, Ji A Seo, Nan Hee Kim, Sung Hee Choi, Soo Lim, Hak Chul Jang, Seung Hyun Ko, Ki Ho Song, Yu Bae Ahn, Soo Kyoung Kim, Yong Wook Cho, Jun Goo Kang, Sung Hee Ihm, Cheol Young Park, Sung Woo Park, Dong Hyun Shin, Yong Hyun Kim, Kwan Woo Lee
Korean Diabetes J. 2008;32(6):513-521.   Published online December 1, 2008
DOI: https://doi.org/10.4093/kdj.2008.32.6.513
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BACKGROUND
Activation of renin-angiotensin system (RAS) has been an important mechanism of microvascular and macrovascular complications in diabetic patients. It has been reported that RAS blockades reduce the development and progression of diabetic nephropathy. The aim of this study was to evaluate whether valsartan, an angiotensin II receptor blocker (ARB), reduced blood pressure and urinary albumin excretion rate (UAER) in hypertensive type 2 diabetic patients. METHOD: Three hundred forty-seven hypertensive type 2 diabetic patients who had not taken angiotensin converting enzyme inhibitors or ARB for 6 months prior to this study were enrolled. We measured blood pressure and UAER before and after 24 weeks of valsartan treatment. RESULT: Baseline mean systolic and diastolic blood pressure was 143 +/- 15 and 87 +/- 11 mmHg, respectively and the median albumin excretion rate was 27 ug/mg. Reduction in systolic and diastolic blood pressure was 16 mmHg/10 mmHg and the median UAER was 19.3 ug/mg after 24 weeks (P < 0.01, respectively). When we divided the subjects into three groups according to the UAER (normoalbuminuria, microalbuminuria and macroalbuminuria), significant changes were reported in the microalbuminuria and the macroalbuminuria groups. Thirty-eight (42%) patients with microalbuminuria improved to normoalbuminuria and twelve (41%) patients with macroalbuminuria improved to microalbuminuria. We found an association between the improvement of blood pressure and UAER (R = 0.165, P = 0.015). CONCLUSION: We concluded that valsartan reduces urinary albumin excretion and blood pressure in hypertensive type 2 diabetic patients.
Effects of Telmisartan Compared with Valsartan on Plasma Adiponectin Levels and Arterial Stiffness in Patients with Type 2 Diabetes: A Pilot Study.
Soo Yeon Park, Sin Gon Kim, Juri Park, Yun Jeong Lee, Hee Young Kim, Ji A Seo, Nan Hee Kim, Kyung Mook Choi, Sei Hyun Baik, Dong Seop Choi
Korean Diabetes J. 2008;32(3):236-242.   Published online June 1, 2008
DOI: https://doi.org/10.4093/kdj.2006.32.3.236
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BACKGROUND
Telmisartan, used for the treatment of hypertension, has been shown to function as a partial agonist of peroxime proliferative activated receptor-nu (PPAR-nu). Theoretically, telmisartan which simultaneously blocks the angiotensin II receptor and activates PPAR-nu should be more effective in improving atherosclerotic surrogate markers than angiotensin II receptor blockers alone. Therefore, this pilot study was designed to evaluate and compare the efficacy of telmisartan and valsartan on plasma adiponectin levels and pulse wave velocity as a marker of arterial stiffness in patients with type 2 diabetes. METHODS: Thirty two patients with type 2 diabetes (mean duration 7.6 +/- 5.1 years) taking oral hypoglycemic agents were randomly assigned to receive telmisartan or valsartan for 12 weeks. RESULTS: Telmisartan and valsartan treatment significantly increased circulating adiponectin levels (P = 0.013 and P = 0.013, respectively) and reduced systolic (P = 0.001 and P = 0.002, respectively) and diastolic blood pressure (P = 0.001 and P < 0.001, respectively), and brachial-ankle PWV (P = 0.019 and P = 0.002, respectively), without significant differences between the two treatments. Before and after treatment, the fasting plasma glucose, interleukin-6, homeostasis model of assessment insulin resistance (HOMAIR) levels and lipid profile were unchanged in both treatment groups. CONCLUSION: Contrary to our expectation, telmisartan, even with its partial PPAR-nu activity, is not superior to valsartan in improving plasma adipocytokine levels and arterial stiffness in patients with type 2 diabetes. These data suggest that the partial PPAR-nu activity of telmisartan beyond valsartan may have less significant therapeutic implications than expected in treating patients with type 2 diabetes.
A Case of Hyperglycemic Hyperosmolar Syndrome Induced by Steroid Treatment for Idiopathic Thrombocytopenic Purpura.
Soo Yeon Park, Se Yune Kim, Dong IL Kim, Hye Suk Kim, Sae Jeong Yang, Ju Ri Park, Dong Jin Kim, Hye Jin Yoo, Soon Beom Kwon, Sei Hyun Baik
Korean Diabetes J. 2005;29(6):571-573.   Published online November 1, 2005
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Steroid induced diabetes mellitus, a complication due to corticosteroids, is commonly regarded as a form of type 2 diabetes mellitus. Hyperglycemic hyperosmolar syndrome, which requires relative insulin deficiency and concomitant elevation of counterregulatory hormones, such as glucagon, catecholamine, cortisol, and growth hormone, is acute a complication of type 2 diabetes mellitus. Here we report a case of hyperglycemic hyperosmolar syndrome induced by short-term steroid treatment in idiopathic thromobocytopenic purpura.
Correlation of C-reactive Protein with Components of Metabolic Syndrome in Elderly Korean Women with Normal or Impaired Glucose Tolerance.
Soon Beom Kwon, Kyung Mook Choi, Soo Yeon Park, Hye Jin Yoo, Ohk Hyun Ryu, Sang Soo Park, Hee Young Kim, Kye Won Lee, Ji A Seo, Jeong Heon Oh, Sin Gon Kim, Nan Hee Kim, Sei Hyun Baik, Dong Seop Choi
Korean Diabetes J. 2004;28(5):432-440.   Published online October 1, 2004
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BACKGROUND
Previous studies have reported that type 2 diabetes is associated with the increased blood concentrations of markers for the acute phase response, such as C-reactive protein (CRP), serum sialic acid and fibrinogen. The purpose of this study was to verify whether the pro-inflammatory cytokine- induced acute-phase response is a major pathogenic mechanism for type 2 diabetes in elderly Korean women. METHODS: We randomly selected a total of 232 non-smoking and non-diabetic female subjects among a total of 1,737 elderly subjects aged over 60 years who had participated in a population based study in Seoul, Korea (SWS Study 1999). We compared concentrations of pro-inflammatory cytokines, such as interleukin-6 (IL-6) and tumor necrosis factor-alpha (TNF-alpha), as well as the acute-phase reactant C-reactive protein (CRP), between the subjects with normal glucose tolerance (NGT) and the subjects with impaired glucose tolerance (IGT). RESULTS: The IGT group showed higher serum high-sensitivity CRP (hs-CRP) concentrations than did the NGT group (the median was 1.2 versus 0.9, respectively, p<0.05). Moreover, a close relationship between serum hs-CRP concentrations and many components of the metabolic syndrome was found. However, serum concentrations of pro-inflammatory cytokines, IL-6 and TNF-alpha were not increasedin the IGT group, and they were not closely correlated with the components of metabolic syndrome. Multiple regression analysis using a stepwise selection method showed that the white blood cell counts, body mass index (BMI), fasting insulin, post-load 2h glucose, hematocrit and LDL cholesterol were associated with hs-CRP. CONCLUSIONS: The present study confirms the relationship between C-reactive protein, impaired glucose tolerance and metabolic syndrome in elderly Korean women.
Plasma and urinary Vascular Endothelial Growth Factor and Diabetic Nephropathy in Type 2 Diabetes Mellitus.
Jeong Heon Oh, Hye Jin Yoo, Soo Yeon Park, Ohk Hyun Ryu, Sang Soo Park, Soon Beom Kwon, Hee Young Kim, Ji A Seo, Kye Won Lee, Sin Gon Kim, Nan Hee Kim, Kyung Mook Choi, Dae Ryong Cha, Sei Hyun Baik, Dong Seop Choi
Korean Diabetes J. 2004;28(2):111-121.   Published online April 1, 2004
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BACKGROUND
VEGF(vascular endothelial growth factor) has been implicated in the pathogenesis of neovascularization and endothelial dysfunction in diabetes mellitus. However, its precise role in diabetic nephropathy is still unknown. Our aims were to determine whether alterations of plasma and urinary VEGF levels were related to diabetic microvascular complications, especially nephropathy in type 2 diabetic patients. METHODS: 107 type 2 diabetic patients, without non-diabetic kidney diseases, and 47 healthy control subjects were studied. The urinary albumin excretion was defined as the albumin-to-creatinine ratio(ACR) in 24 hour urine samples. The study subjects were divided into four groups: a nondiabetic healthy control group(n=47), a normoalbuminuric diabetic group(ACR <30mug/mg, n=37), a microalbuminuric diabetic group(ACR 30~299mug/mg, n=37) and an overt proteinuric diabetic group(ACR=300mug/mg, n=33). The plasma and urinary VEGF levels were measured in these subjects by enzyme-linked immunosorbent assays. RESULTS: 1) The urinary VEGF concentrations were significantly higher in the diabetic groups than in the controls, even in the normoalbuminuric stage(log VEGF/Cr, normoalbuminuria; 4.33+/-1.06 vs. control; 3.53+/-0.79, p=0.009). The levels of urinary VEGF excretions increased with advancing diabetic nephropathy stage. 2) The plasma and urinary VEGF levels were higher in the hypertensive diabetic than the normotensive diabetic patients. 3) In the diabetic patients, the level of plasma VEGF was positively correlated with the BUN(r=0.398, p=0.039) and urinary ACR (r=0.251, p=0.044). The level of urinary VEGF was positively correlated with the urinary ACR(r=0.645, p<0.001), and creatinine(r=0.336, p=0.009), but negatively correlated with the level of serum albumin(r=-0.557, p<0.001). Both the levels of urinary VEGF and serum creatinine were independently correlated with the urinary ACR. CONCLUSIONS: The excretion of urinary VEGF increased at a relatively earlier stage in diabetic nephropathy and was significantly correlated with the excretion of urinary albumin. These results suggested the possibility of urinary VEGF as a sensitive marker or the detection of diabetic nephropathy and in predicting disease progression.
Relations between Insulin Resistance and Hematologic Parameters in Elderly Koreans: Southwest Seoul (SWS) Study.
Kye Won Lee, Hye Jin Yoo, Soo Yeon Park, Ohk Hyun Ryu, Sang Soo Park, Soon Beom Kwon, Hee Young Kim, Ji A Seo, Jeong Heon Oh, Dong Hyun Shin, Sin Gon Kim, Nan Hee Kim, Kyung Mook Choi, Sei Hyun Baik, Dong Seop Choi, Hyoung Jin Kim
Korean Diabetes J. 2003;27(4):352-361.   Published online August 1, 2003
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BACKGROUND
The clustering of cardiovascular risk factors is known as insulin resistance syndrome. Hyperinsulinemia has been suggested as a cardiovascular risk factor due to the capacity of insulin to induce vascular endothelial proliferation and atherosclerosis. Insulin also has been shown to stimulate erythroid colony formation independently of erythropoietin. WBC count is one of the major components of the inflammatory process and is increased by IL-6, which is high in those with features of insulin resistance. In this study, we investigated whether insulin resistance affects hematological parameters. METHODS: In this study, 1,314, randomly selected, non-diabetic, elderly subjects over 60 years living in the southwest area of Seoul were recruited. Subjects underwent 75 g OGTT and careful physical examinations during evaluation, and were interviewed using a standardized questionnaire. Biochemical data and hematologic parameters were also measured. Insulin resistance was calculated by HOMA (homeostasis model assessment) method. Analysis of variance, Duncan's multiple comparisons and multiple linear regression analysis were carried out. RESULTS: In the male non-smoking group we found a correlation between insulin resistance and hemoglobin concentration (r=0.20, p=0.0186). In the female non- smoking group we found correlations between insulin resistance and both hemoglobin concentration (r=0.10, p=0.0017) and white blood cell (WBC) count (r=0.15, p=0.001). Hemoglobin concentration and WBC count were also correlated with BMI, systolic and diastolic blood pressure, lipid profiles and fasting insulin levels in female non-smokers. In multiple regression analysis, using HOMA IR as a dependent variable, we found significance in the variables of hemoglobin concentration, WBC count, age, BMI and triglyceride level. CONCLUSION: Our study provided evidence for a relation between insulin resistance and hematological parameters such as hemoglobin concentration and WBC count in elderly Koreans. This suggests that increased hemoglobin level and WBC count could be considered as novel aspects of the met.

Diabetes Metab J : Diabetes & Metabolism Journal