1.Treatment Refractory Nausea and Vomiting due to Duodenal Obstruction caused by Annular Pancreas: A Case Report
Young Bae LIM ; Hwal Seok CHO ; Dong Hyun LEE
Korean Journal of Medicine 2025;100(2):91-94
Annular pancreas is a rare congenital abnormality characterized by a ring of pancreatic tissue encircling the descending part of the duodenum. It is considered to originate from incomplete ventral pancreatic bud rotation. A 39-year-old male with refractory nausea and vomiting despite receiving appropriate medical treatment underwent contrast-enhanced computed tomography; it revealed an annular pancreas encircling the descending part of the duodenum. We found that surgical resection of the annular pancreas relieved nausea and vomiting due to duodenal obstruction.
2.Treatment Refractory Nausea and Vomiting due to Duodenal Obstruction caused by Annular Pancreas: A Case Report
Young Bae LIM ; Hwal Seok CHO ; Dong Hyun LEE
Korean Journal of Medicine 2025;100(2):91-94
Annular pancreas is a rare congenital abnormality characterized by a ring of pancreatic tissue encircling the descending part of the duodenum. It is considered to originate from incomplete ventral pancreatic bud rotation. A 39-year-old male with refractory nausea and vomiting despite receiving appropriate medical treatment underwent contrast-enhanced computed tomography; it revealed an annular pancreas encircling the descending part of the duodenum. We found that surgical resection of the annular pancreas relieved nausea and vomiting due to duodenal obstruction.
3.Treatment Refractory Nausea and Vomiting due to Duodenal Obstruction caused by Annular Pancreas: A Case Report
Young Bae LIM ; Hwal Seok CHO ; Dong Hyun LEE
Korean Journal of Medicine 2025;100(2):91-94
Annular pancreas is a rare congenital abnormality characterized by a ring of pancreatic tissue encircling the descending part of the duodenum. It is considered to originate from incomplete ventral pancreatic bud rotation. A 39-year-old male with refractory nausea and vomiting despite receiving appropriate medical treatment underwent contrast-enhanced computed tomography; it revealed an annular pancreas encircling the descending part of the duodenum. We found that surgical resection of the annular pancreas relieved nausea and vomiting due to duodenal obstruction.
4.Treatment Refractory Nausea and Vomiting due to Duodenal Obstruction caused by Annular Pancreas: A Case Report
Young Bae LIM ; Hwal Seok CHO ; Dong Hyun LEE
Korean Journal of Medicine 2025;100(2):91-94
Annular pancreas is a rare congenital abnormality characterized by a ring of pancreatic tissue encircling the descending part of the duodenum. It is considered to originate from incomplete ventral pancreatic bud rotation. A 39-year-old male with refractory nausea and vomiting despite receiving appropriate medical treatment underwent contrast-enhanced computed tomography; it revealed an annular pancreas encircling the descending part of the duodenum. We found that surgical resection of the annular pancreas relieved nausea and vomiting due to duodenal obstruction.
5.Experiences of traumatic events, knowledge and attitudes concerning post-traumatic stress disorder, and resilience among nurses and paramedics working in emergency department
Sun-Woo HONG ; Kyung-Sook BANG ; Hwal Lan BANG ; Hye Jin HYUN ; Miyoung LEE ; Yu Na JUNG
Journal of Korean Academic Society of Nursing Education 2023;29(1):86-97
Purpose:
This study aimed to assess exposure to traumatic events, knowledge and attitudes concerning post-traumatic stress disorder (PTSD) and the level of resilience among nurses and paramedics working in emergency departments.
Methods:
Data were collected from May 22 to June 12, 2022, using a self-administered survey questionnaire. The participants comprised 135 nurses and 80 paramedics working in emergency departments. The collected data were analyzed with descriptive statistics, a t-test, and an analysis of variance with Scheffé’s test.
Results:
Compared with emergency room nurses, paramedics were more positive about the government’s spending on job opportunities for people with PTSD. There were no significant differences in attitude regarding government strategies and people with PTSD between nurses and paramedics. Paramedics had higher scores on the effective treatment for PTSD, while emergency room nurses showed higher scores on effective psychotherapy. General knowledge of PTSD differed according to sex (t=-2.33, p=.021) and education level (F=3.21, p=.042). Resilience scores differed significantly according to sex (t=2.02, p=.045), education level (F=4.10, p=.018), self-reported economic state (F=10.34, p<.001), and self-reported health (F=11.57, p<.001).
Conclusion
The findings support that emergency department nurses and paramedics are in need of self-care programs to support their mental health and indicate that intervention programs should be developed to enhance resilience in emergency department professionals.
6.Impaired Hand Dexterity Function in a Non-human Primate Model with Chronic Parkinson’s Disease
Jin cheol SEO ; Jin young WON ; Keon woo KIM ; Jung hyung PARK ; Hyeon-Gu YEO ; Yu Gyeong KIM ; Seung Ho BAEK ; Hoonwon LEE ; Chang-Yeop JEON ; Won Seok CHOI ; Sangil LEE ; Ki Jin KIM ; Sung-Hyun PARK ; Yeong hoon SON ; Kang Jin JEONG ; Kyung Seob LIM ; Philyong KANG ; Hwal-Yong LEE ; Hee-Chang SON ; Jae-Won HUH ; Young-Hyun KIM ; Dong-Seok LEE ; Sang-Rae LEE ; Ji-Woong CHOI ; Young jeon LEE
Experimental Neurobiology 2020;29(5):376-388
ymptoms of Parkinson’s disease (PD) caused by loss of dopaminergic neurons are accompanied by movement disorders, including tremors, rigidity, bradykinesia, and akinesia. Non-human primate (NHP) models with PD play an essential role in the analysis of PD pathophysiology and behavior symptoms. As impairments of hand dexterity function can affect activities of daily living in patients with PD, research on hand dexterity function in NHP models with chronic PD is essential. Traditional rating scales previously used in the evaluation of animal spontaneous behavior were insufficient due to factors related to subjectivity and passivity. Thus, experimentally designed applications for an appropriate apparatus are necessary. In this study, we aimed to longitudinally assess hand dexterity function using hand dexterity task (HDT) in NHP-PD models. To validate this assessment, we analyzed the alteration in Parkinsonian tremor signs and the functionality of presynaptic dopaminergic neuron using positron emission tomography imaging of dopamine transporters in these models. In addition, a significant inverse correlation between HDT and DAT level was identified, but no local bias was found. The correlation with intention tremor signs was lower than the resting tremor. In conclusion, the evaluation of HDT may reflect behavioral symptoms of NHP-PD models. Furthermore, HDT was effectively used to experimentally distinguish intention tremors from other tremors.
7.Transition of Simulation-Based Learning in Nursing Schools: A Concept Analysis
Yi Kyung HA ; Hwal Lan BANG ; Yeon Hee LEE
Journal of Korean Critical Care Nursing 2019;12(2):50-60
PURPOSE: The purpose of this study was to identify the attributes, antecedents, and consequences of the transition of simulation-based learning (SBL) in nursing schools.METHODS: The study was conducted in accordance with Walker and Avant's conceptual analysis process. We searched MEDLINE, CINAHL, EMBASE, Google Scholar, and RISS (Korean Education and Research Information Service) databases, resulting in nine studies for an in-depth review.RESULTS: The attributes of transition of SBL include (1) preparing for a professional role, (2) practicing in a real clinical setting, and (3) progressing toward expected competency. Antecedents of the concept include novice status, changing roles, clinical experience in controlled settings, and expected competency in the clinical setting.CONCLUSION: The transition of SBL includes the important feature of progression toward expected competency. Further research is needed to identify graduate nurses' experiences during this transition to establish a strategy for improving it and developing a measurement tool that reflects attributes of the concept.
Education
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Learning
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Nursing
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Professional Role
;
Schools, Nursing
;
Walkers
8.Abnormal Mitochondria in a Non-human Primate Model of MPTP-induced Parkinson's Disease: Drp1 and CDK5/p25 Signaling
Junghyung PARK ; Jincheol SEO ; Jinyoung WON ; Hyeon Gu YEO ; Yu Jin AHN ; Keonwoo KIM ; Yeung Bae JIN ; Bon Sang KOO ; Kyung Seob LIM ; Kang Jin JEONG ; Philyong KANG ; Hwal Yong LEE ; Seung Ho BAEK ; Chang Yeop JEON ; Jung Joo HONG ; Jae Won HUH ; Young Hyun KIM ; Sang Je PARK ; Sun Uk KIM ; Dong Seok LEE ; Sang Rae LEE ; Youngjeon LEE
Experimental Neurobiology 2019;28(3):414-424
Mitochondria continuously fuse and divide to maintain homeostasis. An impairment in the balance between the fusion and fission processes can trigger mitochondrial dysfunction. Accumulating evidence suggests that mitochondrial dysfunction is related to neurodegenerative diseases such as Parkinson's disease (PD), with excessive mitochondrial fission in dopaminergic neurons being one of the pathological mechanisms of PD. Here, we investigated the balance between mitochondrial fusion and fission in the substantia nigra of a non-human primate model of 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP)-induced PD. We found that MPTP induced shorter and abnormally distributed mitochondria. This phenomenon was accompanied by the activation of dynamin-related protein 1 (Drp1), a mitochondrial fission protein, through increased phosphorylation at S616. Thereafter, we assessed for activation of the components of the cyclin-dependent kinase 5 (CDK5) and extracellular signal-regulated kinase (ERK) signaling cascades, which are known regulators of Drp1(S616) phosphorylation. MPTP induced an increase in p25 and p35, which are required for CDK5 activation. Together, these findings suggest that the phosphorylation of Drp1(S616) by CDK5 is involved in mitochondrial fission in the substantia nigra of a non-human primate model of MPTP-induced PD.
1-Methyl-4-phenyl-1,2,3,6-tetrahydropyridine
;
Cyclin-Dependent Kinase 5
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Cyclin-Dependent Kinases
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Dopaminergic Neurons
;
Homeostasis
;
Mitochondria
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Mitochondrial Dynamics
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Neurodegenerative Diseases
;
Parkinson Disease
;
Phosphorylation
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Phosphotransferases
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Primates
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Substantia Nigra
9.Evaluation of fecal microbiomes associated with obesity in captive cynomolgus monkeys (Macaca fascicularis)
Bon Sang KOO ; Eun Ha HWANG ; Green KIM ; Hanseul OH ; Yeonghoon SON ; Dongho LEE ; Kyung Seob LIM ; Philyong KANG ; Sangil LEE ; Hwal Yong LEE ; Kang Jin JEONG ; Youngjeon LEE ; Seung Ho BAEK ; Chang Yeop JEON ; Sang Je PARK ; Young Hyun KIM ; Jae Won HUH ; Yeung Bae JIN ; Sun Uk KIM ; Sang Rae LEE ; Jung Joo HONG
Journal of Veterinary Science 2019;20(3):e19-
Microorganisms play important roles in obesity; however, the role of the gut microbiomes in obesity is controversial because of the inconsistent findings. This study investigated the gut microbiome communities in obese and lean groups of captive healthy cynomolgus monkeys reared under strict identical environmental conditions, including their diet. No significant differences in the relative abundance of Firmicutes, Bacteroidetes and Prevotella were observed between the obese and lean groups, but a significant difference in Spirochetes (p < 0.05) was noted. Microbial diversity and richness were similar, but highly variable results in microbial composition, diversity, and richness were observed in individuals, irrespective of their state of obesity. Distinct clustering between the groups was not observed by principal coordinate analysis using an unweighted pair group method. Higher sharedness values (95.81% ± 2.28% at the genus level, and 79.54% ± 5.88% at the species level) were identified among individual monkeys. This paper reports the association between the gut microbiome and obesity in captive non-human primate models reared under controlled environments. The relative proportion of Firmicutes and Bacteroidetes as well as the microbial diversity known to affect obesity were similar in the obese and lean groups of monkeys reared under identical conditions. Therefore, obesity-associated microbial changes reported previously appear to be associated directly with environmental factors, particularly diet, rather than obesity.
Bacteroidetes
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Diet
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Environment, Controlled
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Firmicutes
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Gastrointestinal Microbiome
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Haplorhini
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Macaca fascicularis
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Methods
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Microbiota
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Obesity
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Prevotella
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Primates
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Spirochaetales
10.Molecular Testing for Gastrointestinal Cancer.
Hye Seung LEE ; Woo Ho KIM ; Yoonjin KWAK ; Jiwon KOH ; Jeong Mo BAE ; Kyoung Mee KIM ; Mee Soo CHANG ; Hye Seung HAN ; Joon Mee KIM ; Hwal Woong KIM ; Hee Kyung CHANG ; Young Hee CHOI ; Ji Y PARK ; Mi Jin GU ; Min Jin LHEE ; Jung Yeon KIM ; Hee Sung KIM ; Mee Yon CHO
Journal of Pathology and Translational Medicine 2017;51(2):103-121
With recent advances in molecular diagnostic methods and targeted cancer therapies, several molecular tests have been recommended for gastric cancer (GC) and colorectal cancer (CRC). Microsatellite instability analysis of gastrointestinal cancers is performed to screen for Lynch syndrome, predict favorable prognosis, and screen patients for immunotherapy. The epidermal growth factor receptor (EGFR) tyrosine kinase inhibitor has been approved in metastatic CRCs with wildtype RAS (KRAS and NRAS exon 2–4). A BRAF mutation is required for predicting poor prognosis. Additionally, amplification of human epidermal growth factor receptor 2 (HER2) and MET is also associated with resistance to EGFR inhibitor in metastatic CRC patients. The BRAF V600E mutation is found in sporadic microsatellite unstable CRCs, and thus is helpful for ruling out Lynch syndrome. In addition, the KRAS mutation is a prognostic biomarker and the PIK3CA mutation is a molecular biomarker predicting response to phosphoinositide 3-kinase/AKT/mammalian target of rapamycin inhibitors and response to aspirin therapy in CRC patients. Additionally, HER2 testing should be performed in all recurrent or metastatic GCs. If the results of HER2 immunohistochemistry are equivocal, HER2 silver or fluorescence in situ hybridization testing are essential for confirmative determination of HER2 status. Epstein-Barr virus–positive GCs have distinct characteristics, including heavy lymphoid stroma, hypermethylation phenotype, and high expression of immune modulators. Recent advances in next-generation sequencing technologies enable us to examine various genetic alterations using a single test. Pathologists play a crucial role in ensuring reliable molecular testing and they should also take an integral role between molecular laboratories and clinicians.

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