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Endocrinology and Metabolism

Cheol Ryong Ku, Eun Jig Lee
No abstract text is available yet for this article.
September 2016: Endocrinology and Metabolism
Ji Young Cha
No abstract text is available yet for this article.
September 2016: Endocrinology and Metabolism
Sang Ah Lee, Gwanpyo Koh, Suk Ju Cho, So Yeon Yoo, Sang Ouk Chin
BACKGROUND: Previous studies have reported that glypican-4 (GPC4) regulates insulin signaling by interacting with insulin receptor and through adipocyte differentiation. However, GPC4 has not been studied with regard to its effects on clinical factors in patients with type 2 diabetes mellitus (T2DM). We aimed to identify factors associated with GPC4 level in T2DM. METHODS: Between January 2010 and December 2013, we selected 152 subjects with T2DM and collected serum and plasma into tubes pretreated with aprotinin and dipeptidyl peptidase-4 inhibitor to preserve active gastric inhibitory polypeptide (GIP) and glucagon-like peptide 1 (GLP-1)...
September 2016: Endocrinology and Metabolism
Sun Wook Cho
No abstract text is available yet for this article.
September 2016: Endocrinology and Metabolism
Ka Hee Yi
Increased detection of thyroid nodules using high-resolution ultrasonography has resulted in a world-wide increase in the incidence of differentiated thyroid cancer (DTC). Despite the steep increase in its incidence, the age-standardized mortality rate of thyroid cancer has remained stable, which leads toward a trend of more conservative treatment. The latest American Thyroid Association (ATA) guidelines for thyroid nodules and thyroid cancer revised in 2015 suggested that fine needle aspiration biopsy should be performed for thyroid nodules larger than 1 cm and lobectomy might be sufficient for 1 to 4 cm intrathyroidal DTC...
September 2016: Endocrinology and Metabolism
Avinash Agarwal, Ambuj Yadav, Manish Gutch, Shuchi Consul, Sukriti Kumar, Ved Prakash, Anil Kumar Gupta, Annesh Bhattacharjee
BACKGROUND: Diabetic ketoacidosis (DKA) is characterized by a biochemical triad of hyperglycemia, acidosis, and ketonemia. This condition is life-threatening despite improvements in diabetic care. The purpose of this study was to evaluate the clinical and biochemical prognostic markers of DKA. We assessed correlations in prognostic markers with DKA-associated morbidity and mortality. METHODS: Two hundred and seventy patients that were hospitalized with DKA over a period of 2 years were evaluated clinically and by laboratory tests...
September 2016: Endocrinology and Metabolism
Bong Ki Lee, Sang Wook Kim, Daehee Choi, Eun Hee Cho
BACKGROUND: The prevalence of type 2 diabetes in elderly people has increased dramatically in the last few decades. This study was designed to clarify the clinical characteristics of type 2 diabetes in patients aged ≥80 years according to age of onset. METHODS: We reviewed the medical records of 289 patients aged ≥80 years with type 2 diabetes at the outpatient diabetes clinics of Kangwon National University Hospital from September 2010 to June 2014. We divided the patients into middle-age-onset diabetes (onset before 65 years of age) and elderly-onset diabetes (onset at 65+ years of age)...
September 2016: Endocrinology and Metabolism
Byung Sub Moon, Jongho Kim, Ji Hyun Kim, Young Youl Hyun, Se Eun Park, Hyung Geun Oh, Cheol Young Park, Won Young Lee, Ki Won Oh, Kyu Beck Lee, Hyang Kim, Sung Woo Park, Eun Jung Rhee
BACKGROUND: The purpose of this study was to investigate the relationship between statin eligibility and the degree of renal dysfunction using the Adult Treatment Panel (ATP) III and the American College of Cardiology (ACC)/American Heart Association (AHA) guidelines in Korean adults. METHODS: Renal function was assessed in 18,746 participants of the Kangbuk Samsung Health Study from January 2011 to December 2012. Subjects were divided into three groups according to estimated glomerular filtration rate (eGFR): stage 1, eGFR ≥90 mL/min/1...
September 2016: Endocrinology and Metabolism
Bo Hyun Kim, In Joo Kim
Medullary thyroid carcinoma (MTC) is a rare neuroendocrine tumor derived from the thyroid C cells producing calcitonin. MTC accounts for 0.6% of all thyroid cancers and incidence of MTC increased steadily between 1997 and 2011 in Korea. It occurs either sporadically or in a hereditary form based on germline rearranged during transfection (RET) mutations. MTC can be cured only by complete resection of the thyroid tumor and any loco-regional metastases. The most appropriate treatment is still less clear in patients with residual or recurrent disease after initial surgery or those with distant metastases because most patients even with metastatic disease have indolent courses with slow progression for several years and MTC is not responsive to either radioactive iodine therapy or thyroid-stimulating hormone suppression...
September 2016: Endocrinology and Metabolism
Won Sang Yoo, Hyun Kyung Chung
Autoimmune thyroid disease (AITD) includes hyperthyroid Graves disease, hypothyroid autoimmune thyroiditis, and subtle subclinical thyroid dysfunctions. AITD is caused by interactions between genetic and environmental predisposing factors and results in autoimmune deterioration. Data on polymorphisms in the AITD susceptibility genes, related environmental factors, and dysregulation of autoimmune processes have accumulated over time. Over the last decade, there has been progress in the clinical field of AITD with respect to the available diagnostic and therapeutic methods as well as clinical consensus...
September 2016: Endocrinology and Metabolism
Junghyun Noh
Diabetes is one of the foremost public health issues worldwide that can lead to complications in many organ systems, and has become a significant cause of morbidity and mortality in Korea. According to data from the National Health Insurance Service (NHIS), about 2.7 million Koreans (8.0%) aged 30 years or older had type 2 diabetes mellitus (T2DM) in 2013. The prevalence of T2DM increased with age and rose from 5.6% in 2006 to 8.0% in 2013. Using data based on The Health Screening Service of the NHIS, 25% of Korean adults were reported to have prediabetes in 2013...
September 2016: Endocrinology and Metabolism
Juan Carlo P Dayrit, Elaine C Cunanan, Sjoberg A Kho
BACKGROUND: Hyponatremia developing in hypothyroid patients has been encountered in clinical practice; however, its prevalence has not been well established. METHODS: Thirty patients diagnosed with differentiated thyroid cancer, rendered hypothyroid after surgery and levothyroxine withdrawal, and who are for radioactive iodine (RAI) ablation were included. Serum sodium concentrations were measured twice, at the time of admission for RAI ablation, and before discharge after increased oral fluid intake...
September 2016: Endocrinology and Metabolism
Erick S Mendoza, Amy A Lopez, Valerie Ann U Valdez, Leilani B Mercado-Asis
BACKGROUND: Osteoporosis in men is markedly underdiagnosed and undertreated despite higher morbidity and mortality associated with fractures. This study aimed to characterize adult Filipino men with osteopenia, osteoporosis and prevalent fractures. METHODS: A cross-sectional study of 184 Filipino men ≥50 years screened for bone mineral density was performed. Age, weight, body mass index (BMI), Osteoporosis Self-Assessment Tool for Asians (OSTA) score, smoking status, family history of fracture, diabetes mellitus, physical inactivity, and T-score were considered...
September 2016: Endocrinology and Metabolism
Chang Hoon Yim
Thyroid dysfunction during pregnancy can result in serious complications for both the mother and infant; however, these complications can be prevented by optimal treatment of maternal overt thyroid dysfunction. Although several studies have demonstrated that maternal subclinical hypothyroidism is associated with obstetric complications and neurocognitive impairments in offspring, there is limited evidence that levothyroxine treatment can improve these complications. Therefore, most professional societies do not recommend universal screening for thyroid dysfunction during pregnancy, and instead recommend a case-finding approach in which only high-risk women are tested...
September 2016: Endocrinology and Metabolism
Jong Dai Kim, Won Young Lee
It is well known that many Korean patients with type 2 diabetes mellitus (T2DM) were non-obese and had decreased insulin secretion in past. However, during the past three decades, lifestyles in Korea have been westernized. As a result, the prevalence of obesity, the main cause of diabetes has increased. Thus, there is still a question as to whether the main pathophysiology of current Korean T2DM is insulin resistance or an insulin secretion defect. Because various anti-diabetes medications having different mechanisms of action are currently used as therapeutics, it is important to understand which of these factors is the main physiology in the development of diabetes in Koreans...
September 2016: Endocrinology and Metabolism
Dae In Kim, Eunyoung Kim, Young A Kim, Sun Wook Cho, Jung Ah Lim, Young Joo Park
BACKGROUND: Tumor associated macrophages (TAMs) and CXC chemokine receptor 4 (CXCR4) have emerged as potential biomarkers in various human cancers. The aims of this study were to investigate the clinical characteristics of anaplastic thyroid cancer (ATC) patients according to the TAM numbers in the tumor tissue, and to evaluate the associations between CXCR4 expressions and macrophage densities in ATC tumor microenvironment. METHODS: Total 14 ATC samples from thyroid tissue microarray were used...
September 2016: Endocrinology and Metabolism
Yang Ho Kang, Dong Wook Jeong, Seok Man Son
BACKGROUND: It is known that metabolic syndrome (MetS) is associated with chronic kidney disease. We evaluated and compared the prevalence of reduced kidney function in MetS and its components by estimated glomerular filtration rate (eGFR) using an equation based on creatinine (eGFRcr), cystatin C (eGFRcys), and combined creatinine-cystatin C (eGFRcr-cys) in Korean adults. METHODS: We analyzed data from 3,649 adults who participated in a comprehensive health examination...
September 2016: Endocrinology and Metabolism
Mijin Kim, Min Ji Jeon, Won Gu Kim, Jong Jin Lee, Jin Sook Ryu, Eun Jung Cho, Dae Hyun Ko, Woochang Lee, Sail Chun, Won Ki Min, Tae Yong Kim, Young Kee Shong, Won Bae Kim
BACKGROUND: Second-generation thyroglobulin immunometric assays (Tg-IMAs) have been developed with improved sensitivity. Our aim was to compare the diagnostic value of Tg-IMA measurements using a Kryptor (BRAHMS AG) kit (Tg-K) and an ACCESS (Beckman Coulter) kit (Tg-A) with that of the first-generation Tg measurement using a Tg-plus (BRAHMS AG) kit (Tg+). METHODS: We enrolled 82 differentiated thyroid cancer patients who underwent total thyroidectomy with radioactive iodine remnant ablation and who underwent diagnostic whole body scan using recombinant human thyroid stimulating hormone (rhTSH)...
September 2016: Endocrinology and Metabolism
Jeonghoon Ha, Kwanhoon Jo, Borami Kang, Min Hee Kim, Dong Jun Lim
Cholestyramine (CS) is an ion exchange resin, which binds to iodothyronines and would lower serum thyroid hormone level. The use of CS added to conventional antithyroid drugs to control thyrotoxicosis has been applied since 1980's, and several studies indicate that using CS in combination with methimazole (MZ) produces a more rapid decline in serum thyroid hormones than with only MZ treatment. Our recent retrospective review of five patients taking high dose MZ and CS, compared to age-, gender-, initial free thyroxine (T4) level-, and MZ dose-matched 12 patients with MZ use only, showed more rapid decline of both free T4 and triiodothyronine levels without more adverse events...
September 2016: Endocrinology and Metabolism
Hyeonmok Kim, Seong Hee Ahn, Chaeho Shin, Seung Hun Lee, Beom Jun Kim, Jung Min Koh
BACKGROUND: Despite evidence from animal and clinical studies showing the detrimental effects of macrophage migration inhibitory factor (MIF) on bone metabolism, there are no clinical studies relating circulating MIF levels to osteoporosis-related phenotypes. This cross-sectional study investigated the association of plasma MIF with bone mineral density (BMD), bone turnover markers (BTMs), and prevalence of osteoporosis in postmenopausal Korean women. METHODS: A total of 246 women not taking any medications or diagnosed with any diseases that could affect bone metabolism were enrolled...
September 2016: Endocrinology and Metabolism
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