Diabetes & Metabolism Journal

Hak Chul Jang (Jang HC)

17 Articles

Effects of 'Ubiquitous Healthcare' on the Ability of Self-Management in Elderly Diabetic Patients.: Sung Hoon Yu, Sun Hee Kim, So Yeon Kim, Sung Hee Choi, Soo Lim, Yoon Seok Chang, Hak Jong Lee, Young Joo Park, Hak Chul Jang; Korean Diabetes J. 2009;33(1):58-64. Published online February 1, 2009; DOI: https://doi.org/10.4093/kdj.2009.33.1.58

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BACKGROUND
The need for a new healthcare system is growing due to the paradigm shift from health supervision to health maintenance. Previously, we performed a pilot study that examined the effectiveness of a ubiquitous healthcare (U-healthcare) diabetes management program which consists of self-monitoring of blood glucose (SMBG) and mobile phone services for elderly patients with type 2 diabetes mellitus. In this study, we investigated the effect of a diabetes management program using U-healthcare based on the self-care skills of elderly patients with diabetes mellitus. METHODS: From July to October 2005, 17 patients were recruited and provided with a blood glucometer with the ZigBee module and a mobile phone. In addition, the patients' understanding of diabetes self-care skills was examined at the beginning and end of the study. At the end of the study, we determined the level of patient satisfaction regarding U-healthcare services. RESULTS: The patients' test scores on their understanding of diabetes mellitus improved from 57.2 +/- 20.7 to 72.7 +/- 13.4%. Specifically, patient knowledge of the basic principles for a proper diabetic diet (52.9% vs. 82.4%, P = 0.046), foods that influence blood sugar level (41.2% vs. 76.5%, P = 0.007) and the influence of beverage choice (41.2% vs. 64.7%, P = 0.007), all increased. In addition, a significant increase in knowledge of living standards regarding diabetes mellitus was observed (64.7% vs. 88.2%, P = 0.0032). CONCLUSION: We conclude that the U-healthcare incorporating SMBG could be promising, as it improves self-management skills of diabetes mellitus patients, as well as their understanding of the disease.

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Self-management of Chronic Conditions Using mHealth Interventions in Korea: A Systematic Review
Jae Yoon Yi, Yujin Kim, Yoon-Min Cho, Hongsoo Kim
Healthcare Informatics Research.2018; 24(3): 187. CrossRef
Effectiveness of the Smart Care Service for Diabetes Management
Young-Soon Chung, Yongsuk Kim, Chang Hee Lee
Healthcare Informatics Research.2014; 20(4): 288. CrossRef
Ubiquitous Healthcare Service Has the Persistent Benefit on Glycemic Control and Body Weight in Older Adults With Diabetes
Seon Mee Kang, Min Joo Kim, Hwa Young Ahn, Ji Won Yoon, Min Kyong Moon, Hye Seung Jung, Sung Hee Choi, Soo Lim, Kyong Soo Park, Hak C. Jang
Diabetes Care.2012; 35(3): e19. CrossRef
Improved Glycemic Control Without Hypoglycemia in Elderly Diabetic Patients Using the Ubiquitous Healthcare Service, a New Medical Information System
Soo Lim, Seon Mee Kang, Hayley Shin, Hak Jong Lee, Ji Won Yoon, Sung Hoon Yu, So-Youn Kim, Soo Young Yoo, Hye Seung Jung, Kyong Soo Park, Jun Oh Ryu, Hak C. Jang
Diabetes Care.2011; 34(2): 308. CrossRef
A Survey on Ubiquitous Healthcare Service Demand among Diabetic Patients
Soo Lim, So-Youn Kim, Jung Im Kim, Min Kyung Kwon, Sei Jin Min, Soo Young Yoo, Seon Mee Kang, Hong Il Kim, Hye Seung Jung, Kyong Soo Park, Jun Oh Ryu, Hayley Shin, Hak Chul Jang
Diabetes & Metabolism Journal.2011; 35(1): 50. CrossRef

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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Abstract PDF: 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.

Clinical Implication of Adiponectin.: Soo Lim, Hak Chul Jang; Korean Diabetes J. 2008;32(2):85-97. Published online April 1, 2008; DOI: https://doi.org/10.4093/kdj.2008.32.2.85

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Abstract PDF

Adipose tissue is now considered as an active hormone-secreting organ, which secretes a number of biologically active adipokines such as free fatty acids, leptin, tumor necrosis factor alpha (TNFalpha), interleukin-6, plasminogen activator inhibitor-1, adiponectin and retinol binding protein 4 (RBP4). Among these, adiponectin has attracted considerable attention as an adipokine that has important role in the development of type 2 diabetes, atherosclerosis and cardiovascular diseases. Adiponectin was discovered to be the most abundant adipose-specific transcript. Many epidemiological and clinical studies have demonstrated that serum levels of adiponectin are inversely associated with body weight, especially abdominal visceral fat accumulation. Studies among Japanese and Pima Indians have reported lower concentrations of adiponectin in patients with type 2 diabetes than in those with normal glucose tolerance. A low level of adiponectin was found to be a significant risk factor for the development of cardiovascular events in the Korean patients with type 2 diabetes. We recently published that exercise, having an insulin-sensitizing effect, could be a good therapy to prevent or delay diabetes and cardiovascular diseases in middle-aged women through the modification of adiponectin. These results suggest that the clinical implication of adiponectin. A number of studies have been conducted to clarify the biological role of adiponectin. Recent studies have showed that adiponectin has anti-inflammatory, anti-atherogenic, and glucose-lowering properties. Taken together, it is conceivable that adiponectin plays as a backbone of metabolic syndrome. Finally, pleiotropic functions of adiponectin may possibly serve to prevent and treat atherosclerosis, type 2 diabetes and cardiovascular diseases. Furthermore, enhancement of adiponectin secretion or action may be a good therapeutic target for preventing type 2 diabetes or cardiovascular diseases.

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Anti-Diabetic and Lipid-Improving Effects of Alpinia galanga Extract and Caffeine in Rats Fed a High-Fat Diet
Su-Jin Park, Kyung-Ok Shin
Journal of the East Asian Society of Dietary Life.2024; 34(2): 108. CrossRef
Effects of the Serum Adiponectin to Tumor Necrosis Factor-α (TNF-α) Ratio on Carotid Intima-Media Thickness in Newly Diagnosed Type 2 Diabetic Patients
Kwang Youn Kim, Jung Ae Hong, Ha Won Hwang, Sun Ho Lee, Ju Ri Park, Sung Hoon Yu, Jun Goo Kang, Ohk Hyun Ryu, Seong Jin Lee, Eun Gyung Hong, Doo-Man Kim, Jae Myung Yoo, Sung Hee Ihm, Moon Gi Choi, Hyung Joon Yoo, Chul Sik Kim
Journal of Lipid and Atherosclerosis.2015; 4(1): 7. CrossRef
TNF-α polymorphisms and coronary artery disease: Association study in the Korean population
Ho-Chan Cho, Gyeongim Yu, Mi-Young Lee, Hye-Soon Kim, Dong-Hoon Shin, Yoon-Nyun Kim
Cytokine.2013; 62(1): 104. CrossRef
The Effect of Visceral Fat Area and Adipocytokines on Acute Myocardial Infarction: A Case-Control Study in Adult Korean Population
Kang-Kon Lee, Young-Sung Suh, Keun-Sang Yum
The Korean Journal of Obesity.2012; 21(1): 57. CrossRef
Impact of Serum Adiponectin Concentration on Progression of Carotid Atherosclerosis in Patients with Type 2 Diabetes Mellitus
Chul Sik Kim, Ju Ri Park, Sung Hoon Yu, Jun Goo Kang, Ohk Hyun Ryu, Seong Jin Lee, Eun Gyung Hong, Doo-Man Kim, Jae Myung Yoo, Sung Hee Ihm, Moon Gi Choi, Hyung Joon Yoo
Endocrinology and Metabolism.2012; 27(1): 31. CrossRef
Novel Adipokines
Kyung Mook Choi
Journal of Korean Endocrine Society.2008; 23(4): 219. CrossRef

Association between Apolipoprotein E Polymorphism and Type 2 Diabetes in Subjects Aged 65 or Over.: You Jin Lee, Hak Chul Jang, Eun Hye Kim, Hye Jin Kim, Seok Bum Lee, Sung Hee Choi, Soo Lim, Kyoung Un Park, Young Joo Park, Ki Woong Kim; Korean Diabetes J. 2008;32(1):30-37. Published online February 1, 2008; DOI: https://doi.org/10.4093/kdj.2008.32.1.30

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Abstract PDF

BACKGROUND
Increased prevalence of diabetes in recent years is linked with increased cardiovascular morbidity and mortality. Apolipoprotein E (apo E) polymorphism is well known to be related to hyperlipidemia and coronary heart disease, but only a few studies investigated the association between apo E polymorphism and diabetes or insulin resistance. In Korea, two studies with relatively small subjects reported controversial results. Therefore, we investigated the association between apo E polymorphism and diabetes in elderly community population. METHODS: 982 elderly people aged 65 or over in Seongnam city were enrolled. We measured anthropometric variables and blood pressure and performed biochemical tests including fasting glucose, fasting insulin, HbA1c, and lipid profiles. Apo E polymorphism was determined by PCR-RFLP method. RESULTS: Frequencies of apo E isoforms and alleles were similar to those of other reports. Subjects with e4 allele had significantly higher total and LDL-cholesterol levels. However, there were no differences in cholesterol levels between normal subjects and diabetes. Diabetes was not related to apo E polymorphism. CONCLUSION: In Korean aged 65 or over, subjects with diabetes didn't have increased total or LDL-cholesterol, triglyceride, and decreased HDL-cholesterol levels. Diabetes and apo E polymorphism were not related.

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Association of APOE genotype with lipid profiles and type 2 diabetes mellitus in a Korean population
Jung Yeon Seo, Byeong Ju Youn, Hyun Sub Cheong, Hyoung Doo Shin
Genes & Genomics.2021; 43(7): 725. CrossRef
Sarcopenia, Frailty, and Diabetes in Older Adults
Hak Chul Jang
Diabetes & Metabolism Journal.2016; 40(3): 182. CrossRef

Retraction: Polymorphisms of Kir6.2 Gene are Associated with Type 2 Diabetes and Blood Pressure in the Korean Population.: Bo Kyeong Koo, Hong Il Kim, Eu Jin Lee, Young Min Cho, Hyoung Doo Shin, Hak Chul Jang, Hong Kyu Lee, Kyong Soo Park; Korean Diabetes J. 2007;31(2):185-185. Published online March 1, 2007; DOI: https://doi.org/10.4093/jkda.2007.31.2.185

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Association between Genetic Polymorphisms in Hepatocyte Nuclear Factor 4alpha and Type 2 Diabetes in Koreans.: Eun Jung Lee, Soo Heon Kwak, Sun Wook Jo, Hyung Jin Choi, Hyoung Doo Shin, Min Kyong Moon, Young Min Cho, Hak Chul Jang, Kyong Soo Park, Houng Kyu Lee; Korean Diabetes J. 2006;30(1):10-16. Published online January 1, 2006; DOI: https://doi.org/10.4093/jkda.2006.30.1.10

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Abstract PDF: BACKGROUND
Hepatocyte nuclear factor-4alpha (HNF-4alpha) is a member of transcription factor network which is essential for the development and function of the beta cell. Furthermore mutations in the HNF-4alpha gene have been known to cause maturity-onset diabetes of the young. Therefore we aimed to examine the association between polymorphisms in the HNF-4alpha gene and the risk of type 2 diabetes (T2DM) and its related phenotypes in the Korean population. METHODS: Two single nucleotide polymorphisms (SNPs) in the HNF-4alpha gene, g.4681C>T and HNF-4alpha g.12352C>T (Thr139Ile), were genotyped in unrelated T2DM (n=760) and non-diabetic subjects (n=303). The genetic associations between these SNPs and the risk of T2DM and metabolic phenotypes were analyzed. RESULTS: There was no significant association between genetic polymorphisms in the HNF-4alpha and the risk of T2DM. However HNF-4alpha g.4681C>T increased total cholesterol in the recessive model (P = 0.02) and showed marginal association with fasting plasma glucose (P = 0.049) in the additive model. CONCLUSION: There was no significant association between genetic polymorphisms and the risk of T2DM in the Korean populations. But HNF-4alpha g.4681C>T was associated with higher level of total cholesterol and fasting plasma glucose.

Polymorphisms of Kir6.2 Gene are Associated with Type 2 Diabetes and Blood Pressure in the Korean Population.: Bo Kyeong Koo, Hong Il Kim, Eu Jin Lee, Young Min Cho, Hyoung Doo Shin, Hak Chul Jang, Hong Kyu Lee, Kyong Soo Park; Korean Diabetes J. 2005;29(5):440-450. Published online September 1, 2005

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Abstract PDF: BACKGOUND: ATP-sensitive potassium channels are a heterooctamer of SUR1 and Kir6.2, which are key components in the insulin secretory mechanism. Whether common variants in the Kir6.2 gene are associated with type 2 diabetes and/or its associated phenotypes was investigated. METHODS: The Kir6.2 gene was sequenced in 24Korean DNA samples to identify common polymorphisms (frequency > 0.05). The common variants found among these samples were genotyped in a larger population including type 2 diabetic patients and nondiabetic subjects. RESULTS: Thirteen single nucleotide polymorphisms and one insertion/deletion polymorphism were identified in the Kir6.2 gene, with six common variants(g.-1709A>T, g.-1525T>C, g.67G >A [E23K], g.570C>T [A190A], g.1009A>G [1337V], and g.1388C>T) genotyped in 761 type 2 diabetic patients and 675 nondiabetic subjects. Four individual polymorphisms(g.-1525T > C, g.67G>A, g.1009A>G and g.1388C>T) appeared to be associated with type 2 diabetes (age, sex and BMI-adjusted odds ratio[OR]=0.751[0.584-0.967] in the recessive model on g-1525T>C, 1.193 [1.020-1.394] in the additive model in g.67G>A, 1.195 [1.022-1.399] in the additive model on g.1009A>G, 0.835 [0.717-0.973] in the additive model in g.1388C >T). The haplotype "ATACGC" in the Kir6.2 gene, composed of rare allele in the g.67 and g.1009, was also associated with a higher prevalence of type 2 diabetes (age, sex, and BMI- adjusted OR = 1.256 [1.067-1.479], P for logistic regression = 0.006). In addition g.67G>A and g.1009A >G in the KCNJ11 were strongly associated with a high systolic blood pressure. CONCLUSION: Polymorphisms in the Kir6.2 gene are associated with type 2 diabetes and blood pressure in the Korean population.

Increasing Trends of Metabolic Syndrome in Korea -Based on Korean National Health and Nutrition Examination Surveys-.: Soo Lim, Eun Jung Lee, Bo Kyeong Koo, Sung Il Cho, Kyong Soo Park, Hak Chul Jang, Seong Yeon Kim, Hong Kyu Lee; Korean Diabetes J. 2005;29(5):432-439. Published online September 1, 2005

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Abstract PDF: BACKGOUND: The number of individuals with metabolic syndrome is increasing in Asian as well as in Western countries. The aim of this study was to compare the prevalence and patterns of metabolic syndrome as determined by the 1998 and 2001 Korean National Health and Nutrition Examination Surveys(KNHANES). METHODS: A total of 6,907 and 4,536 Koreans aged over 20 years participated in the KNHANES in 1998 and 2001, respectively. A stratified multistage probability sampling design and weighting adjustments were made to obtain a representative Korean population. The working definition of the National Cholesterol Education Program-Adult Treatment Panel III was used to define metabolic syndrome. The International Obesity Task Force criteria for the Asian-Pacific population were used to determine waist circumference criteria. RESULTS: The age-adjusted prevalence of metabolic syndrome significantly increased from 22.5 to 24.1% between 1998 and 2001(P<0.01). Of the five components composing metabolic syndrome, low HDL-cholesterolemia showed the highest increase(32.6%) over this period, followed by hypertriglyceridemia and abdominal obesity, with 15.9% and 4.3% increases, respectively. In contrast, the number of subjects with high blood pressure or elevated fasting glucose levels were reduced(37.1-->33.1% and 18.9-->15.4%, respectively, both P<0.01). CONCLUSION: Dyslipidemia and abdominal obesity were primarily responsible for the increase in metabolic syndrome in Korea over the period 1998 to 2001. Changes to diet patterns and a reduction in physical activity are likely to have contributed to the rapid increase in metabolic syndrome in Korea; therefore, national strategies will be needed to counteract this increase.

Pregnancy Outcome in Korean Women with Gestational Diabetes Mellitus Diagnosed by the Carpenter-Coustan Criteria.: Hak Chul Jang, Young Min Cho, Kyong Soo Park, Seong Yeon Kim, Hong Kyu Lee, Moon Young Kim, Jae Hyug Yang, Son Moon Shin; Korean Diabetes J. 2004;28(2):122-130. Published online April 1, 2004

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Abstract PDF: BACKGROUND
The American Diabetes Association recently proposed the Carpenter-Coustan criteria for the diagnosis of gestational diabetes mellitus(GDM) based on the results of the Toronto Tri-Hospital Study. The prevalence of GDM in Korean women increased, on average, by 60% when the Carpenter-Coustan criteria were applied. However, the pregnancy outcome of Korean women with GDM with regard to the Carpenter-Coustan criteria tremains to be reported. The pregnancy outcomes of those Korean women with GDM by the Carpenter- Coustan criteria, but not by the NDDG criteria were assessed. METHODS: In this study, a total of 2776 pregnant women underwent universal screening for GDM, between January 1993 and December 1994, as recommended by the Third International Workshop-Conference on Gestational Diabetes Mellitus with minor modifications. The primary pregnancy outcomes were preeclampsia, premature delivery, delivery by C-section, birth weight and LGA infants. RESULTS: Of the 2776 women, 656 screened-positive for GDM. Of these, 37 and 74 had GDM by the Carpenter-Coustan and NDDG criteria, respectively. With increasing glucose intolerance, there was a stepwise increase in premature deliveries, deliveries by C-section and preeclampsia from those screening negative to GDM by the NDDG criteria, with a similar trend for the frequency of LGA infants. The LGA infant screening-negative and positive were 13.5 and 16.1%, but those with a normal glucose tolerance were 27.0 and 33.8% in those screening positive to GDM by the Carpenter-Coustan and NDDG criteria, respectively(P<0.001). CONCLUSION: Our study demonstrated that increasing glucose tolerance was associated with increasing frequencies of adverse pregnancy outcomes in Korean women. The maternally complicated and LGA infants were significantly higher in women with GDM by the Carpenter-Coustan criteria. Thus the Carpenter- Coustan criteria are recommended for the diagnosis of GDM in Korean Women.

Common Genetic Polymorphisms in the Promoter of Resistin Gene are Major Determinants of Plasma Resistin Concentrations in Humans.: Young Min Cho, Byung Soo Youn, Sung Soo Chung, Ki Woo Kim, Bo Kyeong Koo, Kang Yeol Yu, Hong Je Park, Hyoung Doo Shin, Hak Chul Jang, Kyong Soo Park, Seong Yeon Kim, Hong Kyu Lee; Korean Diabetes J. 2004;28(1):9-19. Published online February 1, 2004

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Abstract PDF: BACKGROUND
Resistin has been postulated to be an important link between obesity and insulin resistance. Genetic polymorphisms in the resistin gene promotor have been suggested as a determinant of the expression of resistin mRNA, which is possibly associated with obesity and insulin resistance. In this study, the association between the genotype of the resistin promoter, and its plasma concentrations, were investigated. METHODS: The g.-537A>C and g.-420C>G polymorphisms in the resistin promoter were examined, and the levels of plasma resistin measured in the Korean subjects, both with and without type 2 diabetes. Haplotype-based promoter activity and the gel electrophoretic mobility-shift assays(EMSA) were also performed. RESULTS: The -420G and the -537A alleles, which were in linkage disequilibrium, were associated with higher plasma resistin concentrations. Individuals with the A-G(-537 A and -420G) haplotypes showed significantly higher plasma resistin levels than those that did not. The haplotypes A-G had modestly increased promoter activities compared to the other haplotypes. The EMSA revealed the -420 G allele to be specific for binding of the nuclear proteins from adipocytes and monocytes. However, neither polymorphism was associated with type 2 diabetes or obesity in our study subjects. CONCLUSION: Polymorphisms in the promoter of the resistin gene are major determinants of plasma resistin concentrations in humans

Insulin Secretion and Insulin Sensitivity in Women with a Previous Gestational Diabetes: Understanding of Pathogenesis of Type 2 Diabetes.: Hak Chul Jang; Korean Diabetes J. 2002;26(5):314-318. Published online October 1, 2002

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Abstract PDF: No abstract available.

Diagnostic Criteria for Gestational Diabetes in Korean Women: Is New ADA Criteria Appropriate?.: Hak Chul Jang; Korean Diabetes J. 2002;26(4):221-228. Published online August 1, 2002

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Intrauterine Environment and Adult Disease.: Hak Chul Jang; Korean Diabetes J. 2001;25(3):184-189. Published online June 1, 2001

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Abstract PDF: No abstract available.

Effect of Self-monitoring of Blood Glucose on Pregnancy Outcome in Women with Mild Gestational Diabetes.: Hak Chul Jang, Jeong Eun Park, Chang Hoon Yim, Ho Yeun Chung, Ki Ok Han, Hyun Koo Yoon, In Kwon Han, Moon Young Kim, Jae Hyug Yang, Mi Jung Kim, Sun Young Ko, Yeon Kyung Lee; Korean Diabetes J. 2001;25(1):93-102. Published online February 1, 2001

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Abstract PDF: BACKGROUND
Self-monitoring of blood glucose (SMBG) and intensive therapy with insulin demonstrated to have a positive effects in the reduction of the neonatal complications in women with gestational diabetes (GDM). However the utility of SMBG in the mild GDM who does not requiring insulin has not been formally reported. Therefore, to evaluate the effectiveness of SMBG in the management of mild GDM, we compared the pregnancy outcome and the postpartum glucose tolerance of women who monitored their glycemic control by SMBG to those of women who monitored by laboratory glucose test at each office visit during pregnancy. METHODS: We studied 185 women diagnosed as a GDM by NDDG criteria and their fasting glucose concentration < 5.8 mM. All subjects had singleton pregnancy,and no medical diseases that may affect fetal growth, and were certain of gestational age by early ultrasonography. They were treated with an identical GDM management protocol except glucose monitoring. One hundred five women were monitored by laboratory glucose test at each office visit (office group) and 80 women were monitored by SMBG (SMBG group). Pregnancy outcome including rates of cesarian section, obstetric complication, LGA infant and glucose tolerance status at postpartum were compared between two groups. RESULTS: The age, height, prepregnancy weight, weight at delivery and parity were not significantly different between the two groups. Fasting, 1-h, 2-h glucose concentration during the diagnostic test of GDM in SMBG group were similar to those of office group. However, 3-h glucose concentration of office group was 0.3 mM higher than that of SMBG group. The rate of primary cesarian section, preterm labor and pregnancy-induced hypertension of SMBG group were similar to those of office group. The mean postprandial 2-h glucose concentration of office group measured at each office was 0.5 mM higher than that of SMBG group. Although 5% of office group were treated with insulin, 24% of SMBG group were requiring insulin therapy. The birth weight and LGA infant rate of office group were 3403 432 g and 28%, those were heavier and higher than those of SMBG group (3169 447 g, 13.8%). The 90% of office group and 84% of SMBG group were performed 75 g oral glucose tolerance test at postpartum 6-8 weeks. There was no significant difference in rates of diabetes and IGT between office and SMBG group (9.5%, 11.6%; 7.5%, 9.0% respectively). CONCLUSIONS: This study demonstrated that SMBG is very seful in early detection of maternal hyperglycemia and lowing the postprandial glucose, as well as reducing the rate of LGA infants in women with mild GDM.

Chronary Heart Disease and Homecysteine metabolism.: Hak Chul Jang; Korean Diabetes J. 1999;23(5):621-624. Published online January 1, 2001

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Abstract PDF: No abstract available.

Clinical Characteristics and Pregnancy Outcome in Korean Women with Type I & Type II Diabetes Mellitus.: Yoon Huh, Dong Won Suh, Hak Chul Jang, Chang Hoon Yim, Ki Ok Han, Hyun Ku Yoon, In Kwon Han, Hun Ki Min, Eun Sung Kim, Moon Young Kim, Hyun Mi Ryu, Sung Won Yang, Hae Kyoung Han; Korean Diabetes J. 1998;22(3):353-362. Published online January 1, 2001

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Abstract PDF: BACKGROUND
The prevalence of diabetes is gradually increasing iin Korean. Moreover, the prevalence of pregnancy complicated by established diabetes seems to be increasing. During the past decades, advances in the diabetes care as well as advances in fetal surveillance and neonatal care, have continued to improve pregnancy outcome of women with diabetes. However, the incidence of congenital anomalies and spontaneous abortion as well as the perinatal morbidity in the women with diabetes are still higher compared to those of the general population. In this study, we estimated the prevalence of prepmncy complicated by both type 1 and type 2 diabetes and described the clinical characteristics and outcome of diabetic pregnancies. METHODS: We analyzed data from four sources: 1) the mother(type and duration of diabetes, diabetic complication, preconceptional care), 2) obstetric outcome(method of delivery, obstetric complication), 3) neonatal outcome(birth weight, perinatal complication, congenital anomaly), 4) glycemic control during pregnancy, of women with pregestational diabetes delivered newborns at Samsung Cheil Hospital from 1992 to 1995. RESULTS: During the study period, 34 singleton infants were delivered by the 28 women with diabetes. The diabetic pregnancy was present in 0.14% of total deliveries in Samsung Cheil Hospital. Patients with IDDM comprised 18%(6/34) of total diabetic pregnancies, 82%(28/34) had NIDDM. The duration of diabetes was 6.3 and 2.1 years in patients with IDDM and NIDDM, respectively. Two IDDM patients presented with proliferative retinopathy, and 3 background retinopathy, one in IDDM and 2 in NIDDM. Three patients with IDDM and 2 patients with NIDDM had diabetic nephropathy. Insulin requirement during pregnancy was increased about 2 times at the time of delivery when compared to the initial in women with IDDM and NIDDM. Preeclampsia was the most common obstetric compliications, which were more frequently observed in women with diabetic complications. LGA was present in 43% of women with NIDDM. One infant of mother with NIDDM, delivered at 28 weeks gestation, was died because of respiratory distress and one infant of mother with IDDM had a congenital heart disease(TOF). Only 3 patients scught for the preconceptional care before pregnancy. CONCLUSION: Pregnancies complicated by diabetes was more frequent than was expected, even though it was much less than the rates in North America. Only 9% of women with diabetes had preconceptional care before pregnancy. The importance of planned pregnancy and prepregnancy counseling should be addressed in women with diabetes of child bearing age.

Increased membrane lipid peroxidation of erythrocytes in NIDDM.: Hak Chul Jang, Young Ki Min, In Kwon Han, Hong Kyu Lee, Hun Ki Min; Korean Diabetes J. 1992;16(4):309-316. Published online January 1, 2001

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Abstract PDF: No abstract available.

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