1.A Case of Bowen Disease in the Finger Web.
Deborah LEE ; Jong Keun SEO ; Sunghwan HWANG ; Jungnan KANG ; Hyojin KIM ; Young Seok LEE ; Hosuk SUNG
Korean Journal of Dermatology 2013;51(8):663-664
No abstract available.
Bowen's Disease
;
Fingers
2.Diabetes and Cancer: Cancer Should Be Screened in Routine Diabetes Assessment
Diabetes & Metabolism Journal 2019;43(6):733-743
Cancer incidence appears to be increased in both type 1 and type 2 diabetes mellitus (DM). DM represents a risk factor for cancer, particularly hepatocellular, hepatobiliary, pancreas, breast, ovarian, endometrial, and gastrointestinal cancers. In addition, there is evidence showing that DM is associated with increased cancer mortality. Common risk factors such as age, obesity, physical inactivity and smoking may contribute to increased cancer risk in patients with DM. Although the mechanistic process that may link diabetes to cancer is not completely understood yet, biological mechanisms linking DM and cancer are hyperglycemia, hyperinsulinemia, increased bioactivity of insulin-like growth factor 1, oxidative stress, dysregulations of sex hormones, and chronic inflammation. However, cancer screening rate is significantly lower in people with DM than that in people without diabetes. Evidence from previous studies suggests that some medications used to treat DM are associated with either increased or reduced risk of cancer. However, there is no strong evidence supporting the association between the use of anti-hyperglycemic medication and specific cancer. In conclusion, all patients with DM should be undergo recommended age- and sex appropriate cancer screenings to promote primary prevention and early detection. Furthermore, cancer should be screened in routine diabetes assessment.
Breast
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Diabetes Mellitus
;
Diabetes Mellitus, Type 2
;
Early Detection of Cancer
;
Gastrointestinal Neoplasms
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Gonadal Steroid Hormones
;
Humans
;
Hyperglycemia
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Hyperinsulinism
;
Incidence
;
Inflammation
;
Mass Screening
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Mortality
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Obesity
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Oxidative Stress
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Pancreas
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Primary Prevention
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Risk Factors
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Smoke
;
Smoking
3.Glycemic Variability: How Do We Measure It and Why Is It Important?.
Diabetes & Metabolism Journal 2015;39(4):273-282
Chronic hyperglycemia is the primary risk factor for the development of complications in diabetes mellitus (DM); however, it is believed that frequent or large glucose fluctuations may independently contribute to diabetes-related complications. Postprandial spikes in blood glucose, as well as hypoglycemic events, are blamed for increased cardiovascular events in DM. Glycemic variability (GV) includes both of these events; hence, minimizing GV can prevent future cardiovascular events. Correcting GV emerges as a target to be pursued in clinical practice to safely reduce the mean blood glucose and to determine its direct effects on vascular complications in diabetes. Modern diabetes management modalities, including glucagon-related peptide-1-based therapy, newer insulins, modern insulin pumps and bariatric surgery, significantly reduce GV. However, defining GV remains a challenge primarily due to the difficulty of measuring it and the lack of consensus regarding the optimal approach for its management. The purpose of this manuscript was not only to review the most recent evidence on GV but also to help readers better understand the available measurement options and how the various definitions relate differently to the development of diabetic complications.
Bariatric Surgery
;
Blood Glucose
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Consensus
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Diabetes Complications
;
Diabetes Mellitus
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Glucose
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Hyperglycemia
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Insulin
;
Insulins
;
Risk Factors
4.Efficacy of Enhanced MRI in Epidural Varix: Report of Six Cases.
Shinkwon CHOI ; Kyang Yul KIM ; Sungjoo LEE ; Sunghwan YOON
Journal of Korean Society of Spine Surgery 2006;13(3):210-214
Symptomatic epidural varix presenting with radiculopathy is extremely rare. The most common misdiagnosis is reported as a sequestrated prolapsed nucleus pulposus in the preoperative evaluation. The method of evaluating enhanced MRI studies improved the efficacy of discovery and treatment of this condition. We experienced 6 cases of epidural varices that were diagnosed with T1 fat suppressed post-gadolinium enhanced MRI studies and we present the operative findings.
Diagnostic Errors
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Magnetic Resonance Imaging*
;
Radiculopathy
;
Varicose Veins*
5.Prediction of Quantitative Traits Using Common Genetic Variants: Application to Body Mass Index.
Sunghwan BAE ; Sungkyoung CHOI ; Sung Min KIM ; Taesung PARK
Genomics & Informatics 2016;14(4):149-159
With the success of the genome-wide association studies (GWASs), many candidate loci for complex human diseases have been reported in the GWAS catalog. Recently, many disease prediction models based on penalized regression or statistical learning methods were proposed using candidate causal variants from significant single-nucleotide polymorphisms of GWASs. However, there have been only a few systematic studies comparing existing methods. In this study, we first constructed risk prediction models, such as stepwise linear regression (SLR), least absolute shrinkage and selection operator (LASSO), and Elastic-Net (EN), using a GWAS chip and GWAS catalog. We then compared the prediction accuracy by calculating the mean square error (MSE) value on data from the Korea Association Resource (KARE) with body mass index. Our results show that SLR provides a smaller MSE value than the other methods, while the numbers of selected variables in each model were similar.
Body Mass Index*
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Decision Support Techniques
;
Genome-Wide Association Study
;
Humans
;
Korea
;
Learning
;
Linear Models
6.Prognostic Value of Extranodal Extension in Thyroid Cancer: A Meta-Analysis.
Sunghwan SUH ; Kyoungjune PAK ; Ju Won SEOK ; In Joo KIM
Yonsei Medical Journal 2016;57(6):1324-1328
PURPOSE: Thyroid cancer is the most common endocrine cancer and its incidence has continuously increased in the last three decades all over the world. We aimed to evaluate the prognostic value of extranodal extension (ENE) of thyroid cancer. MATERIALS AND METHODS: We performed a systematic search of MEDLINE (from inception to June 2014) and EMBASE (from inception to June 2014) for English-language publication. The inclusion criteria were studies of thyroid cancer that reported the prognostic value of ENE in thyroid cancer. Reviews, abstracts, and editorial materials were excluded, and duplicate data were removed. Two authors performed the data extraction independently. RESULTS: 6 studies including 1830 patients were eligible for inclusion in the study. All patients included in the meta-analysis had papillary thyroid cancer (PTC). Recurrence-free survival was analyzed based on 3 studies. The pooled hazard ratio for recurrence was 2.01 [95% confidence interval (CI) 1.19–3.40, p=0.009]. Disease-specific survival was analyzed based on 3 studies with 973 patients. Patients of PTC with ENE showed 3.37-fold higher risk of death from the disease (95% CI 1.55–7.32, p=0.002). CONCLUSION: ENE should be considered to be a poor prognostic marker in thyroid cancer; such knowledge might improve the management of individual patients. This might facilitate the planning of appropriate ablation therapy and tailored patient follow-up from the beginning of treatment.
Endocrine Gland Neoplasms
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Follow-Up Studies
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Humans
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Incidence
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Lymph Nodes
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Prognosis
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Publications
;
Recurrence
;
Thyroid Gland*
;
Thyroid Neoplasms*
7.Efficacy and Safety of Treatment with Quadruple Oral Hypoglycemic Agents in Uncontrolled Type 2 Diabetes Mellitus: A Multi-Center, Retrospective, Observational Study (Diabetes Metab J 2021;45:675-83)
Jun Sung MOON ; Sunghwan SUH ; Sang Soo KIM ; Heung Yong JIN
Diabetes & Metabolism Journal 2022;46(1):162-163
8.Glucose Variability.
Journal of Korean Diabetes 2014;15(4):196-201
Chronic hyperglycemia is the main risk factor for the development of diabetes-related complications in diabetes mellitus (DM). Glycated hemoglobin (HbA1c) is used to estimate the risk of developing diabetic complications, to define targets, and to measure the efficacy of diabetes treatments. Up until recently, it has been thought that frequent or large glucose fluctuations may contribute independently to diabetes-related complications. However, diabetes-related glycemic alterations are now understood in more complex terms, through studies attempting to identify the role of fasting glycemia, postprandial glycemia, and hypoglycemia in the overall assessment of the disease. This set of evaluations has led to the concept of glucose variability (GV). Postprandial spikes in blood glucose as well as hypoglycemic events, both are implicated in increased cardiovascular events in DM. GV includes both of these events; thus, minimizing GV can prevent future cardiovascular events. For these reasons, correcting GV has emerged as an important goal in clinical practice in order to safely reduce mean blood glucose (and thus HbA1c) and for its direct effects on vascular complications of DM. However, the literature available on glucose GV is extensive but confusing. This article highlights the most recent evidence, clinical implications, and measures to control GV in clinical practice.
Blood Glucose
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Diabetes Complications
;
Diabetes Mellitus
;
Fasting
;
Glucose*
;
Hemoglobin A, Glycosylated
;
Hyperglycemia
;
Hypoglycemia
;
Risk Factors
9.Effectiveness of prophylactic calcium and vitamin D supplementation for preventing post-thyroidectomy hypocalcemia: a meta-analysis
Hyeyeon MOON ; Ju Won SEOK ; Keunyoung KIM ; Hye Young KIM ; Mi Kyoung PARK ; In Joo KIM ; Kyoungjune PAK ; Sunghwan SUH
Kosin Medical Journal 2022;37(3):213-219
Background:
Postsurgical hypocalcemia is the most common and troublesome consequence of thyroidectomy. We investigated the potential role of routine calcium or vitamin D supplementation in preventing postsurgical hypocalcemia.
Methods:
We searched MEDLINE and Embase for English-language publications using the keywords “calcium,” “vitamin D,” and “thyroid cancer.” The primary outcome was any postoperative hypocalcemia, and the secondary outcome was symptomatic hypocalcemia.
Results:
Four studies that included 381 patients were eligible for this meta-analysis. A random-effects model showed no significant difference in the occurrence of hypocalcemia between calcium/vitamin D treatment and placeboo treatment. However, the occurrence of symptomatic hypocalcemia was lower in patients with calcium/vitamin D treatment. In the combined results, preoperative calcium and vitamin D supplementation were associated with a reduced incidence of symptomatic hypocalcemia.
Conclusions
Our findings support the use of preoperative calcium and vitamin D supplementation in conjunction with routine postsurgical supplementation for patients after total thyroidectomy.
10.Suicide attempts presenting to the emergency department before and during the COVID-19 pandemic: a comparative study
Inhak LEE ; Juyoung CHOI ; Keun Soo KIM ; Joohyun SUH ; Jae Hwan KIM ; SungHwan KIM
Clinical and Experimental Emergency Medicine 2022;9(2):120-127
Objective:
To compare and analyze the differences in the sociodemographic and clinical characteristics of suicide attempters who visited an emergency department (ED) before and during the coronavirus disease (COVID-19) pandemic.
Methods:
This single center, retrospective study was conducted by reviewing the medical records of patients in the “self-injury/suicide” category of the National Emergency Department Information System who visited an ED between January 2019 and December 2020. We obtained information on baseline characteristics, suicide attempt, and disposition. Data were analyzed using the chi-squared test.
Results:
A total of 456 patients were included. The number of patients visiting the ED for suicide attempts increased by 18.2% (from 209 to 247 cases) during the COVID-19 pandemic, and the ratio of suicide attempters to the total number of ED visits increased by 48.8% (from 0.43% to 0.64%, P<0.001). There were significant differences in methods of suicide attempt, endotracheal intubation, ED disposition, and the presence of mental illness. Drug overdose (42.1% vs. 53.4%) and gas inhalation (5.7% vs. 8.5%) increased, and hanging decreased (6.0% vs. 2.0%) during the pandemic. Endotracheal intubation (13.9% vs. 5.7%) and intensive care unit admission (29.7% vs. 14.6%) decreased. More patients with the history of mental illness visited during the pandemic (54.0% vs. 70.1%).
Conclusion
Since the COVID-19 pandemic began, suicide attempts have increased in this single ED although the lethality of those attempts is low.