• The Monthly Diabetes
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• s.219
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• pp.8-10
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• 2008

당뇨병환자가 혈당을 잘 조절해야 하는 가장 큰 이유 중 하나는 당뇨병으로 인해 발생하는 합병증을 예방하고 진행을 늦추는 것입니다. 당뇨병환자가 혈당을 정상에 가깝게 조절을 하면 만성 합병증의 발생을 예방할 수 있고, 발생한 합병증의 진행을 늦출 수 있다는 연구 보고들이 많이 있습니다. 그렇다면 어느 정도 혈당수치가 되어야만 혈당조절이 잘 되었다고 할 수 있을까요? 즉 당뇨병환자의 목표 혈당수치는 얼마일까요? 목표 혈당수치는 공복 혈당, 식후 혈당, 취침전 혈당이 각각 다릅니다. 당화혈색소는 혈당수치는 아니지만 공복이나 식후 혈당과는 달리 2$\sim$3개월간의 혈당수치를 반영하므로 혈당조절이 잘되고 있는지를 알아보는 지표로 많이 이용하고 있습니다. 공복혈당은 80$\sim$120mg/dL, 식후 2시간 혈당은 160mg/dL 미만, 취침전 혈당은 100$\sim$140mg/dL를 유지하는 것을 권장하고 있으며, 당화혈색소는 7% 이하 가능하다면 6.5% 까지 유지하는 것을 목표로 합니다. 더 나아가서 당뇨병으로 인한 만성 합병증을 예방하려면 혈당조절뿐만 아니라 혈압, 콜레스테롤도 잘 조절해야 합니다. 혈압은 130/80mmHg 이하로 유지해야 하며 우리 몸에 좋은 콜레스테롤(HDL)은 남자는 40mg/dL 이상, 여자는 50 mg/dL 이상 되어야 하고, 우리 몸에 나쁜 콜레스테롤(LDL)은 100mg/dL 이하, 중성지방은 150mg/dL 이하로 유지해야 합니다. 물론 금연을 하여야 하고 음주를 해서는 안되겠습니다.

• Journal of the Korea Academia-Industrial cooperation Society
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• v.12 no.11
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• pp.5034-5042
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• 2011

This aim of this study is to assess the association of between glucose level and periodontal diseases in Korea adults. The data for analysis were obtained from Korea National Health and Nutrition Examination Survey 2009. A total of 7,062 subjects who aged 19 years and above, underwent a medical and dental checkups. The prevalence of undiagnosed diabetes group was 27%, and the prevalence of impaired fasting glucose(IFG) group was 41.2%, diabetes group was 43.6% with periodontitis. IFG and diabetes had significantly higher prevalence of periodotontits compared to those having normal after adjusting confounding variables; the odds ratios were 1.35 (95% confidence interval: 1.17 to 1.55) and 1.27 (95% confidence interval: 1.02 to 1.58), respectively. This study has suggested that diabetes increases the risk of periodontal disease. Proactive, preventative dental and diabetes self care, as well as regular dental and diabetes assessment, are important management strategies for impaied fasting glucose and periodotnal health.

• The Monthly Diabetes
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• s.219
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• pp.50-51
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• 2008

당뇨병환자가 10만명을 육박해 당뇨 대란이 예상되는 가운데, 당뇨병 예비자 또한 그 수가 만만치 않다. 당뇨병 예비자에는 생활습관이 불규칙하거나, 운동을 전혀 하지 않는 사람, 비만한 사람 등이 포함이 되는데, 당뇨병 전단계라 불리우는 내당능장애와 공복혈당장애 환자도 마찬가지이다. 당뇨병 전단계는 확실하게 당뇨병으로 진단을 받은 것은 아니지만 당뇨병으로 발전할 가능성이 충분한 상태로써 공복, 식후혈당이 이상이 있는 경우를 말한다. 이러한 환자도 당뇨병환자와 똑같은 치료법으로 관리를 해야 훗날 당뇨병으로 발전하거나, 그로 인한 합병증의 피해를 줄일 수 있다.

• Journal of Nutrition and Health
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• v.41 no.1
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• pp.31-40
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• 2008

This study was aimed at evaluating the effect of red-yeast-rice supplementation on cholesterol-lowering and glucose control in subjects with impaired fasting glucose (IFT) or impaired glucose tolerance (IGT). We conducted a doubleblind, placebo-controlled study with 3 groups; placebo, low dose group (red yeast rice 210.0mg/capsule, 2.52g/day) and high dose group (red yeast rice 420.0mg/capsule, 5.04g/day), which were randomly assigned to subjects with impaired fasting glucose or impaired glucose tolerance. We measured fasting serum concentrations of total-, LDL-, HDL-cholesterol, triglyceride, glucose, insulin, free fatty acid (FFA) and 2 h oral glucose tolerence test (OGTT) before and after the supplementation. Both low dose and high dose groups had significant decrease in LDL cholesterol and atherogenic index (AI) compared with placebo group (p<0.05). Additionally, total and HDL cholesterol improved significantly in high dose group compared with placebo group (p<0.05). Fasting serum glucose decreased in test groups and increased in placebo group after intervention. However, it was not significant differences. In subjects which fasting blood glucose is more than 110mg/dL, fasting glucose had a tendency to decrease in high dose group (p<0.1) and Hemoglobin A1c (HbA1c) had significant decrease in low dose group (p<0.05), while insulin and HOMA-IR had a tendency to increase in placebo group after intervention. Mean changes of glucose related parameters (fasting glucose, insulin, HOMA-IR) compared with placebo group did not show significant differences. In conclusion, subjects with impaired fasting glucose or impaired glucose tolerance were significantly improved in serum lipid profile by red yeast rice supplementation without serious side effects. These are more effective in the case of a high dose. The effects of red yeast rice supplementation on glucose control were insignificant.

• Journal of the Korea Academia-Industrial cooperation Society
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• v.18 no.4
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• pp.285-292
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• 2017

The purpose of this study was to investigate the relationship between the fasting blood sugar and serum lipid levels (TC, TG, HDL-C, LDL-C) and obesity indices (BMI, body fat rates, waist circumference, waist to hip ratio). The study sample consists of 1,473 manufacturing workers aged from 30 to 59 years, who underwent a health check-up at a university hospital during the period from Jan. to Dec. 2015. A data analysis was conducted to classify the subjects into the normal and abnormal groups according to their fasting blood sugar levels depending on the average values of the serum lipids and obesity indices. Multiple regression analyzes adjusted for sex and age were conducted for the factors affecting the fasting blood sugar level. As a result, the Serum TC, TG, LDL-C, BMI and waist circumference were found to be significantly higher in the abnormal fasting blood sugar level group than in the normal one, but the HDL-C was significantly lower in the abnormal group than in the normal one The fasting blood sugar level had a significant positive correlation with the TC, TG, LDL-C, BMI and waist circumference. The TC, TG, BMI and body fat were the significant factors affecting the fasting blood sugar. The above results suggest that the fasting blood sugar and serum lipid levels (TC, TG, HDL-C, LDL-C), obesity indices (BMI, body fat rates, waist circumference, waist to hip ratio) of manufacturing workers are significantly associated with each other.

• Journal of Veterinary Clinics
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• v.31 no.3
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• pp.163-169
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• 2014

Glucose metabolism abnormalities secondary to heart failure, including insulin resistance (IR) and impaired fasting glucose, have been gradually recognized as important prognostic factors in disease progression. However, to date, no study has investigated glucose abnormalities in dogs with chronic mitral valve insufficiency (CMVD). Thus, we hypothesized that glucose metabolism abnormalities due to heart failure may develop in dogs with CMVD. A prospective study was performed on 113 client-owned dogs with variable CMVD severities. Serum insulin, glucagon, fructosamine, and glucose concentrations were measured, and insulin resistance was determined using the homeostatic model assessment (HOMA) score. The serum insulin concentration had a significant inverse association with the heart failure severity. However, there was no significant association between the heart failure severity and fructosamine, HOMA score, and fasting blood glucose. Insulin, fructosamine, and HOMA had a significant positive association with body condition scores (BCS), whereas glucose had no association. This study found that insulin secretion in dogs with naturally occurring heart failure due to CMVD might be compromised as the disease worsens.

• Korean Journal of Clinical Laboratory Science
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• v.49 no.2
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• pp.114-120
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• 2017

There have been many studies to develop methods for predicting diabetes and to prevent diabetes. The validity of glycated hemoglobin (HbA1c), one of the commonly known tools in predicting diabetes, has been verified by many previous studies. In this study, we examined the cutoff value of HbA1c for diabetes and impaired fasting glucose (IFG). Based on this study, we proposed a proper clinical guideline and evaluated the validation of the guideline. Excluding those without blood glucose and HbA1c data, we used the data of 5,161 subjects (2,281 men and 2,880 women) over the age of 20 years from the 2015 Korean National Health and Nutrition Examination Survey. The correlation efficient of fasting plasma glucose (FPG) and HbA1c was 0.79, indicating a strong relationship. Howeve, the correlation efficient of FPG and HbA1c was low, showing 0.27 in non-diabetes, 0.39 in IFG, and 0.66 in diabetes, showing a strong relationship. The cutoff value of HbA1c for predicting diabetes using ROC curve was 6.05% (sensitivity 84.6%, and specificity 92.0%), and AUC was 0.941 (0.937 in men, and 0.946 in women). The cutoff value of HbA1c for predicting IFG using ROC curve was 5.55% (sensitivity 64.5%, and specificity 70.0%), and AUC was 0.733 (0.708 in men, and 0.764 in women). Therefore, it may not be appropriate to apply the guidelines for diagnosing IFG since sensitivity and specificity were below 70%. For future studies retarding the cutoff value of HbA1c in predicting IFG, high sensitivity and specificity are expected if we segment the reference range of IFG.

• Korean Journal of Clinical Laboratory Science
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• v.49 no.3
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• pp.239-247
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• 2017

Among the commonly known tools to diagnose diabetes are fasting plasma glucose (FPG), HbA1c., and OGTT known as gold standard. However, there can be many disagreements on the ways to diagnose diabetes. In this study, we examined the differences of the types of diabetes according to the applicability of FPG and HbA1c. Moreover, we evaluated the concordance of diagnosis. We excluded subjects with missing glucose and HbA1c data, as well as those previously diagnosed with diabetes, and those who fasted less than 8 hours. The data of 4,502 subjects (1,956 men and 2,546 women) from the 2015 KNHNES were analyzed. We divided these patients into three categories which are normal, prediabetes, and diabetes, based on the FPG and HbA1c. In men, the number of subjects with FPG ranging from 100 to 125 mg/dL and HbA1c ${\geq}6.5%$ was 23 out of 664, and the number of subjects with FPG < 126 mg/dL and HbA1c ${\geq}6.5%$ was 39 out of 86 newly diagnosed diabetes patients. The concordance rate was as follows: Normal 80.3%, prediabetes 44.9%, and diabetes 54.7%. The coefficient of Cohen's Kappa was 0.322 in men and 0.362 in women; this suggests that both gender showed a low concordance rate. However, when we divided them into two categories (nondiabetes and diabetes), Kappa was 0.582 in men and 0.637 in women, showing a relatively high concordance rate. While all subjects with FPG ${\geq}126mg/dL$ showed a significantly high HOMA IR, all subjects with FPG < 126 mg/dL showed a significantly high QUICKI. Considering the low concordance rate for the diagnosis of diabetes and characteristic of diagnostic tests, it is necessary to combine the related tests for diagnosing diabetes.

• Journal of dental hygiene science
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• v.14 no.2
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• pp.107-113
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• 2014

This study was conducted to evaluate the association between periodontal disease and diabetes mellitus. The final analysis population of this study was composed of 4,830 adults with diabetes mellitus or periodontal disease and aged 19 years or older, based on the third-edition data of the 4th Korea National Health and Nutrition Examination Survey (KNHANES) (in 2009). Diabetic status and potential confounders were used in questionnaire materials and physical examination materials, and the presence of periodontal disease was used in the materials for oral health examination by a dentist. For diabetic status, fasting plasma glucose (FPG) levels <100 mg/dl were subcategorized into normal group and FPG levels ${\geq}100mg/dl$ into impaired fasting glucose group; glycosylated hemoglobin (HbA1c) levels <7% into normal group and HbA1c ${\geq}7%$ into diabetes group, on the basis of the American Diabetes Association. According to the 2009 Korea Health Statistics, the case where the pocket depth is 3 mm or more was defined as periodontal disease. The association between the two diseases was evaluated through $x^2$-test and logistic regression analysis using R-commander 2.14. In impaired fasting glucose group, community periodontal index (CPI) groups 3 to 4 had higher risks for periodontal disease 1.23 times (95% confidence interval, 1.07~1.42) than those of CPI groups CPI 0~2, even after adjustment for several confounders. In addition, periodontal disease and diabetes mellitus showed statistically significant differences depending on age, sex, income level, educational background, smoking status, alcohol consumption, and snack intake. The analyses of the third-edition data of the 4th KNHANES showed that there was a statistically significant association between periodontal disease and diabetes mellitus as examined by means of CPI in this study.

• Proceedings of the KSCN Conference
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• 2004.12a
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• pp.118-119
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• 2004