1.Clinical Characteristics and Prognosis of Fulminant Hepatic Failure in Infants and Children.
Journal of the Korean Pediatric Society 1990;33(10):1362-1373
No abstract available.
Child*
;
Humans
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Infant*
;
Liver Failure, Acute*
;
Prognosis*
2.Defense Mechanisms and Psychological Characteristics According to Suicide Attempts in Patients with Borderline Personality Disorder
Young-Ji LEE ; Mu-Sung KEUM ; Hye-Geum KIM ; Eun-Jin CHEON ; Young-Chul CHO ; Bon-Hoon KOO
Psychiatry Investigation 2020;17(8):840-849
Objective:
There have been many biological studies on suicide behaviors of borderline personality disorder (BPD), however few studies have sought to psychoanalytic characteristics including defense mechanisms. Therefore, we investigated psychological, symptomatic, and personality characteristics including defense mechanisms in suicide attempters and non-suicide attempters among patients with BPD.
Methods:
We enrolled 125 patients with BPD. Forty-two patients with a history of one or more suicide attempts formed the suicide attempters group and 83 patients with no such history formed the non-suicide attempters group. We collated the differences in clinical and psychological characteristics between the two groups by using the Symptom Checklist-90-Revised (SCL-90-R), the Minnesota Multiphasic Personality Inventory-2 (MMPI-2), the Personality Disorder Questionnaire-4+ (PDQ-4+), and the Defense Style Questionnaire (DSQ).
Results:
The suicide attempters group scored higher on the hostility subscale of SCL-90-R. The suicide attempters group also scored higher on the Infrequency, Back Infrequency, Lie, Masculinity-femininity, Paranoia, Psychasthenia, and Schizophrenia scales of the MMPI-2. The incidence of paranoid and antisocial personality disorders, as assessed by the PDQ-4+, was significantly different in both groups. Maladaptive, self-sacrificing defense style, splitting and affiliation on the DSQ were also higher for the suicide attempters group. In the results of the logistic regression analysis, gender, the F(B) and L scales on the MMPI-2, and ‘splitting of other’s image’ defense mechanism on the DSQ were the factors that significantly influenced to suicide attempts.
Conclusion
These findings suggest that impulsive psychiatric features and maladaptive defense style may be related to suicidal risk in patients with BPD. Therefore, our findings may help clinicians in estimating the risk of suicide in patients with BPD.
3.Wound healing effect of regenerated oxidized cellulose versus fibrin sealant patch: An in vivo study
Hyun Sik YOON ; Young Cheon NA ; Keum Ha CHOI ; Woo Hoe HUH ; Ji Min KIM
Archives of Craniofacial Surgery 2019;20(5):289-296
BACKGROUND: Topical hemostatic agents are used when ligation, electrocauterization, or other conventional hemostatic methods are impractical. Because a hemostatic agent is a foreign body, it can cause foreign body reactions, inflammation, and infections that can interfere with the wound healing process. Therefore, we should select hemostatic agents after considering their effects on wound healing. Here, we compared the effects of hemostatic agents on wound healing in a rectus abdominis muscle defect in rats. METHODS: Twelve Sprague Dawley rats were subjected to creation of a 6 × 6 mm defect in the rectus abdominis muscle and divided into four groups: control group; group A, Tachosil fibrin sealant patch; group B, Surgicel Fibrillar oxidized regenerated cellulose; and group C, Surgicel Snow oxidized regenerated cellulose. For the histologic analysis, biopsies were performed on the 3rd, 7th, and 27th days. RESULTS: The foreign body reaction was the weakest in group A and most significant in group C. The inflammatory cell infiltration was the weakest in group A and similar in groups B and C. Muscle regeneration differed among periods. The rats in group A were the most active initially, while those in group C showed prolonged activity. CONCLUSION: Tachosil and Surgicel administration increased inflammation via foreign body reactions, but the overall wound healing process was not significantly affected. The increased inflammation in the Surgicel groups was due to a low pH. We recommend using Tachosil, because it results in less intense foreign body reactions than Surgicel and faster wound healing due to the fibrin action.
Animals
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Biopsy
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Cellulose
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Cellulose, Oxidized
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Fibrin Tissue Adhesive
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Fibrin
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Fibrinogen
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Foreign Bodies
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Foreign-Body Reaction
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Hemostatics
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Hydrogen-Ion Concentration
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Inflammation
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Ligation
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Rats
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Rats, Sprague-Dawley
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Rectus Abdominis
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Regeneration
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Snow
;
Thrombin
;
Wound Healing
;
Wounds and Injuries
4.Clinicopathologic Factors Affecting Recurrence after Curative Surgery for Stage I Colorectal Cancer.
Min Ae KEUM ; Seok Byung LIM ; Sun A KIM ; Yong Sik YOON ; Chan Wook KIM ; Chang Sik YU ; Jin Cheon KIM
Journal of the Korean Society of Coloproctology 2012;28(1):49-55
PURPOSE: The objective of the current study was to identify the clinicopathological risk factors affecting recurrence after a curative resection for stage I colorectal cancer. METHODS: We retrospectively studied 434 patients who underwent a curative resection for stage I colorectal cancer between January 1999 and December 2004. Postoperative oral chemotherapy was performed in 189 patients (45.3%). The following prognostic factors were correlated with recurrence: age, gender, preoperative carcinoembryonic antigen level, location of tumor, T stage, size of tumor, histologic differentiation, growth pattern, and lymphovascular invasion. The median follow-up duration was 65 months. RESULTS: The overall recurrence rate was 4.6% (20/434). The median time to recurrence was 33 months. Two-thirds of the recurrence occurred more than two years after surgery. Risk factors associated with recurrence were rectal cancer (P = 0.009), T2 stage (P = 0.010), and infiltrative growth pattern (P = 0.020). A Cox proportional hazards regression analysis demonstrated that the infiltrative growth pattern was an independent predictor for recurrence. Tumor cell budding was observed in all pathologic reviews with recurrence. CONCLUSION: Long-term follow-up is necessary for stage I colorectal patients with high risk factors like rectal cancer, T2 stage, and infiltrative growth pattern.
Carcinoembryonic Antigen
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Colorectal Neoplasms
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Follow-Up Studies
;
Humans
;
Rectal Neoplasms
;
Recurrence
;
Retrospective Studies
;
Risk Factors
5.Protective Effect of Fisetin (3,7,3',4'-Tetrahydroxyflavone) against gamma-Irradiation-Induced Oxidative Stress and Cell Damage.
Mei Jing PIAO ; Ki Cheon KIM ; Sungwook CHAE ; Young Sam KEUM ; Hye Sun KIM ; Jin Won HYUN
Biomolecules & Therapeutics 2013;21(3):210-215
Ionizing radiation can induce cellular oxidative stress through the generation of reactive oxygen species, resulting in cell damage and cell death. The aim of this study was to determine whether the antioxidant effects of the flavonoid fisetin (3,7,3',4'-tetrahydroxyflavone) included the radioprotection of cells exposed to gamma-irradiation. Fisetin reduced the levels of intracellular reactive oxygen species generated by gamma-irradiation and thereby protected cells against gamma-irradiation-induced membrane lipid peroxidation, DNA damage, and protein carbonylation. In addition, fisetin maintained the viability of irradiated cells by partially inhibiting gamma-irradiation-induced apoptosis and restoring mitochondrial membrane potential. These effects suggest that the cellular protective effects of fisetin against gamma-irradiation are mainly due to its inhibition of reactive oxygen species generation.
Antioxidants
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Apoptosis
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Cell Death
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DNA Damage
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Lipid Peroxidation
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Membrane Potential, Mitochondrial
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Membranes
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Oxidative Stress*
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Protein Carbonylation
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Radiation, Ionizing
;
Reactive Oxygen Species
6.A Case of Variant Angina Developing Transient Collateral Circulation During Vasospasm.
Won Seop LEE ; Dae Hyeok KIM ; Keum Soo PARK ; Sung Ill WOO ; Sung Hee SHIN ; Kwan JUN ; Woong CHEON ; Eun Seon JEONG ; Sang Don PARK
Korean Circulation Journal 2011;41(4):220-223
Variant angina is characterized by spontaneous episodes of angina, usually occurring in the morning and having ST segment elevation on the electrocardiogram. However, in the case presented here, vasospasm and angina was shown by ergonovine without ST elevation. The patient was a 60-year-old man who presented with a 2-year history of frequent chest pain. There were no abnormalities in coronary angiography. When ergonovine (100 microg) was injected, total occlusion of the proximal right coronary artery was seen, without ST elevation at the electrocardiogram. The cause was collateral from left anterior descending artery to distal right coronary artery at the left coronary angiography. Therefore, in a patient with variant angina without ST elevation, a transient collateral circulation during vasospasm should be considered.
Angina Pectoris, Variant
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Arteries
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Chest Pain
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Collateral Circulation
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Coronary Angiography
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Coronary Vessels
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Electrocardiography
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Ergonovine
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Humans
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Middle Aged
7.Development and Evaluation of a School-based Anger Management Program (SAMP) for Adolescents.
Young Joo PARK ; Ho Sihn RYU ; Keum Sun HAN ; Jung Hye KWON ; Han Kyeom KIM ; Yoon Jung CHO ; Hyun Cheol KANG ; Suk Hee CHEON ; Ji Won YOON
Journal of Korean Academy of Nursing 2009;39(1):145-156
PURPOSE: This study was done to develop a school-based anger management program (SAMP) of 4 sessions and examine its effects on the anger, anger expression, psychosomatic responses, psychosocial responses, and immunologic responses in adolescents. METHODS: A quasi-experimental study using a nonequivalent control group, pre-post design with repeated measures was used. Chi-square test, t-test, paired t-test, and Fisher's exact test were used to analyze the data. RESULTS: There were no differences between the experimental and control groups in outcome variables except for lymphocytes. However, following additional analyses, statistically significant differences by time point were observed for pain sensitivity, T cell, Helper T (Th) cell, Suppressor (Ts) cell and Natural Killer (NK) cell post-treatment, entrapment and psychosomatic symptoms at the 4-week follow-up, and resilience at the 10-week follow-up for the experimental group. CONCLUSION: Although some modifications in contents and administration will be required to increase the effectiveness of the program for anger management, SAMP can be used to promote anger management ability in adolescents.
Adaptation, Psychological
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Adolescent
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*Adolescent Psychology
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*Anger
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B-Lymphocytes/immunology
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Depression
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Expressed Emotion
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Female
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Humans
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Killer Cells, Natural/immunology
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Male
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Program Development
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Program Evaluation
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Psychometrics
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Questionnaires
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T-Lymphocytes/immunology
8.Prospective evaluation of the clinical utility of whole-exome sequencing using buccal swabbing for undiagnosed rare diseases
Chong Kun CHEON ; Yong Beom SHIN ; Soo-Yeon KIM ; Go Hun SEO ; Hane LEE ; Changwon KEUM ; Seung Hwan OH
Journal of Genetic Medicine 2022;19(2):76-84
Purpose:
Whole-exome sequencing (WES) has been a useful tool for novel gene discovery of various disease categories, further increasing the diagnostic yield. This study aimed to investigate the clinical utility of WES prospectively in undiagnosed genetic diseases.
Materials and Methods:
WES tests were performed on 110 patients (age range, 0-28 years) with suspected rare genetic diseases. WES tests were performed at a single reference laboratory and the variants reported were reviewed by clinical geneticists, pediatricians, neurologists, and laboratory physicians.
Results:
The patients’ symptoms varied with abnormalities in the head or neck, including facial dysmorphism, being the most common, identified in 85.4% of patients, followed by abnormalities in the nervous system (83.6%). The average number of systems manifesting phenotypic abnormalities per patient was 3.9±1.7. The age at presentation was 2.1±2.7 years old (range, 0-15 years), and the age at WES testing was 6.7±5.3 years (range, 0-28 years). In total, WES test reported 100 pathogenic/likely pathogenic variants or variants of uncertain significance for 79 out of 110 probands (71.8%). Of the 79 patients with positive or inconclusive calls, 55 (50.0%) patients were determined to have good genotype-phenotype correlations after careful review. Further clinical reassessment and family member testing determined 45 (40.9%) patients to have been identified with a molecular diagnosis.
Conclusion
This study showed a 40.9% diagnostic yield for WES test for a heterogeneous patient cohort with suspected rare genetic diseases. WES could be the feasible genetic test modality to overcome the diversity and complexity of rare disease diagnostics.
9.Smoking-attributable Mortality in Korea, 2020: A Meta-analysis of 4 Databases
Eunsil CHEON ; Yeun Soo YANG ; Suyoung JO ; Jieun HWANG ; Keum Ji JUNG ; Sunmi LEE ; Seong Yong PARK ; Kyoungin NA ; Soyeon KIM ; Sun Ha JEE ; Sung-il CHO
Journal of Preventive Medicine and Public Health 2024;57(4):327-338
Objectives:
Estimating the number of deaths caused by smoking is crucial for developing and evaluating tobacco control and smoking cessation policies. This study aimed to determine smoking-attributable mortality (SAM) in Korea in 2020.
Methods:
Four large-scale cohorts from Korea were analyzed. A Cox proportional-hazards model was used to determine the hazard ratios (HRs) of smoking-related death. By conducting a meta-analysis of these HRs, the pooled HRs of smoking-related death for 41 diseases were estimated. Population-attributable fractions (PAFs) were calculated based on the smoking prevalence for 1995 in conjunction with the pooled HRs. Subsequently, SAM was derived using the PAF and the number of deaths recorded for each disease in 2020.
Results:
The pooled HR for all-cause mortality attributable to smoking was 1.73 for current men smokers (95% confidence interval [CI], 1.53 to 1.95) and 1.63 for current women smokers (95% CI, 1.37 to 1.94). Smoking accounted for 33.2% of all-cause deaths in men and 4.6% in women. Additionally, it was a factor in 71.8% of men lung cancer deaths and 11.9% of women lung cancer deaths. In 2020, smoking was responsible for 53 930 men deaths and 6283 women deaths, totaling 60 213 deaths.
Conclusions
Cigarette smoking was responsible for a significant number of deaths in Korea in 2020. Monitoring the impact and societal burden of smoking is essential for effective tobacco control and harm prevention policies.
10.A Planned Prospective, Randomized, Placebo-Controlled Multicenter Trial Assessing the Effect of Helicobacter pylori Eradication on the Healing of Iatrogenic Ulcer after Endoscopic Resection of Gastric Neoplasm.
Sang Gyun KIM ; Ho June SONG ; Il Ju CHOI ; Joo Young CHO ; Hwoon Yong JUNG ; Bora KEUM ; Jae Hee CHEON ; Yong Chan LEE ; Jae Gyu KIM ; Sue K PARK ; Byung Joo PARK ; Hyun Chae JUNG
Gut and Liver 2010;4(4):514-517
BACKGROUND/AIMS: Helicobacter pylori eradication may facilitate the healing of iatrogenic ulcer after endoscopic resection of gastric neoplasm. This study involved designing a randomized, double-blinded, placebo-controlled, multicenter trial, performed by the Korean College of Helicobacter and Upper Gastrointestinal Research and the Medical Research Collaboration Center, Seoul National University Hospital. METHODS: We intend to enroll up to 232 patients H.-pylori-positive patients who have gastric adenoma or early gastric cancer after endoscopic resection. The enrolled patients are being randomly allocated to the H.-pylori-eradication-plus-proton-pump-inhibitor group or the placebo-plus-proton-pump-inhibitor group based on their histology results and the size of the resected specimen. After random allocation, the iatrogenic ulcer size and stage are evaluated at 4- and 8-week follow-ups (with a window of +/-7 days). The primary end point is the healing rate of the ulcer by stage, and the secondary end point is the rate of ulcer size reduction, relief rate from ulcer-related symptoms, and adverse-event rates. RESULTS: More than 90% of the target subjects have already been enrolled into the study and are receiving ongoing periodic monitoring by the Medical Research Collaboration Center. CONCLUSIONS: Completion of the study should reveal whether H. pylori eradication can facilitate the healing of ulcer after endoscopic resection in Korea.
Adenoma
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Cooperative Behavior
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Follow-Up Studies
;
Helicobacter
;
Helicobacter pylori
;
Humans
;
Korea
;
Prospective Studies
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Random Allocation
;
Stomach Neoplasms
;
Ulcer