• Journal of the Korean Mathematical Society
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• v.55 no.2
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• pp.415-424
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• 2018

General (${\alpha},\;{\beta}$)-metrics form a rich and important class of Finsler metrics. In this paper, we obtain a differential equation which characterizes a general (${\alpha},\;{\beta}$)-metric with isotropic E-curvature, under a certain condition. We also solve the equation in a particular case.

• Communications of the Korean Mathematical Society
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• v.22 no.4
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• pp.575-586
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• 2007

We introduce here notions of chain recurrent sets, attractors and its basins for general dynamical systems and prove important properties including (i) the chain recurrent set CR(f) of f on a metric space (X, d) is the complement of the union of sets B(A) -A as A varies over the collection of attractors and (ii) genericity of general dynamical systems.

• Korean Journal of Radiology
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• v.24 no.3
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• pp.173-176
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• 2023

• Kyungpook Mathematical Journal
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• v.64 no.2
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• pp.261-270
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• 2024

In this paper, we consider generalized 𝜂-Ricci solitons associated to the general connection on Kenmotsu manifolds. We confirm the existence of such solitons by constructing a non-trivial example, and we obtain some properties of Kenmotsu manifolds that admit the generalized 𝜂-Ricci solitons associated with the general connection.

• Journal of Korean Medicine Rehabilitation
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• v.18 no.1
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• pp.141-151
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• 2008

Objectives : The purpose of this study was to investigate effects of long-term taxi driving posture on the balance of musculoskelectal system. Methods : The author practiced Moire topography by using IBS-2000 for 30 male taxi drivers and general people. Then we measured difference of contour lines, difference of shoulder joint height, interval between vertical baseline of pelvis and vertical baseline of neck, ratio of thoracic curve and lumbar curve, difference of width between right and left through Moire topography. After we statistically analyzed difference of Moire topography's data between long-term employed male taxi drivers and general people. Results : 1. Taxi drivers, difference of contour lines in scapular, lumbar, gluteal region was bigger than general people and significant difference(p<0.05) was observed between subject group. 2. Taxi drivers, diference of shoulder joint height was more large than general people and significant difference(p<0.01) was observed between subject group. 3. Taxi drivers, diference of interval between vertical baseline of pelvis and vertical baseline of neck was more large than general people and significant difference((p<0.05) was observed between subject group. 4. Taxi drivers, ratio of thoracic curve was more large than general people and ratio of lumbar curve was more less than general people and significant difference(p<0.05) was observed between subject group. Conclusions : According to above results long-term taxi driving posture might cause musculoskelectal system unbalance.

• The Journal of Korea Assosiation for Disability and Oral Health
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• v.3 no.1
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• pp.11-16
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• 2007

The use of general anesthesia as a special method of behavior management is necessary if certain handicapped or disabled child patient to receive dental treatment. This study was designed to report the results of 53 cases of complete oral rehabilitation under general anesthesia. The data were obtained from patients who were provided with dental treatment under general anesthesia for last 3years managed at the Dept. of pediatric dentistry in PNU Hospital. The distribution of age, gender, primary reason for general anesthesia, duration of dental procedure, number of treated tooth and periodic recall check-up were surveyed. In distribution of age, most(78%) were younger than 10 years and mean was 13.0 years. The reasons for providing general anesthesia were lack of cooperation due to various mental and physical handicapped situation(74%), congenital heart disease(13%), combined with medically compromised and behavior problem and others. The average duration of the treatments was 2 hours and 41 minutes and average duration of the anesthesia was 3 hours and 6minutes. The mean number of treated with restoration a children were 16.7 teeth. From the results, total dental rehabilitation under general anesthesia is a favorable modality to improve for disabled children's oral condition.

• Journal of the Korean Institute of Oriental Medical Informatics
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• v.22 no.1
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• pp.27-36
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• 2016

Purpose: The purpose of this study was to compare the level of job stress, burn-out and job satisfaction between intensive care unit nurses and general unit nurses. Methods: The subjects of this study were 100 intensive care unit nurses and 100 general unit nurses in university's hospitals. The data were collected using self-report questionnaires. The data were analyzed by descriptive statistics, -test, ANCOVA, t-test, ANOVA, and Pearson correlation coefficient by using the SPSS WIN 20.0 program. Results: There were significantly negative correlation in the score of job stress and job satisfaction in both groups of nurses. Job stress of intensive care unit nurses was significantly differences according to department satisfaction. Burn-out of intensive care unit nurses was significantly differences according to position, department satisfaction. Job satisfaction of intensive care nurses unit was significantly differences according to department satisfaction. Job stress of general unit nurses unit was significantly differences according to department satisfaction. Burn-out of general unit nurses was significantly differences according to clinical experience, position, department satisfaction. Job satisfaction of general unit nurses was significantly differences according to clinical experience, department satisfaction. Conclusions: The appropriate rewards for intensive care nurses and general unit nurses to decrease their job stress will be needed in hospital settings. In addition, a plan for systemic nurse training program is needed to provide high quality nursing education for each unit nurses effectively.

• Yonsei Medical Journal
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• v.59 no.9
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• pp.1079-1087
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• 2018

Purpose: Obstructive sleep apnea and chronic obstructive pulmonary disease are independent risk factors of cardiovascular disease (CVD), and their coexistence is known as overlap syndrome (OS). Endothelial dysfunction is the initial stage of CVD; however, underlying mechanisms linking OS and CVD are not well understood. The aim of this study was to explore whether OS can lead to more severe inflammation and endothelial apoptosis by promoting endothelial dysfunction, and to assess the intervention effects of antioxidant tempol. Materials and Methods: Male Wistar rats (n=66) were exposed to normal oxygen [normal control (NC) group], intermittent hypoxia (IH group), cigarette smoke (CH group), as well as cigarette smoke and IH (OS group). Tempol intervention was assessed in OS group treated with tempol (OST group) or NaCl (OSN group). After an 8-week challenge, lung tissues, serum, and fresh blood were harvested for analysis of endothelial markers and apoptosis. Results: The levels of intracellular adhesion molecule-1, vascular cellular adhesion molecule-1, and apoptosis in circulating epithelial cells were the highest in OS group and the lowest in NC group. These levels were all greater in IH group than in CH group, and were lower in OST group than in OS and OSN groups (all p<0.001). Conclusion: Synergistic effects of IH with cigarette smoke-induced emphysema produce a greater inflammatory status and endothelial apoptosis. OS-related inflammation and endothelial cell apoptosis may play important roles in promoting cardiovascular dysfunction, and antioxidant tempol could achieve a partial protective effect.

• Clinical Endoscopy
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• v.56 no.1
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• pp.100-106
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• 2023

Background/Aims: Endoscopic ultrasound (EUS) has become an essential diagnostic and therapeutic tool. EUS was introduced in 2013 in Indonesia and is considered relatively new. This study aimed to describe the current role of interventional EUS at our hospital as a part of the Indonesian tertiary health center experience. Methods: This retrospective study included all patients who underwent interventional EUS (n=94) at our center between January 2015 and December 2020. Patient characteristics, technical success, clinical success, and adverse events associated with each type of interventional EUS procedure were evaluated. Results: Altogether, 94 interventional EUS procedures were performed at our center between 2015 and 2020 including 75 cases of EUS-guided biliary drainage (EUS-BD), 14 cases of EUS-guided pancreatic fluid drainage, and 5 cases of EUS-guided celiac plexus neurolysis. The technical and clinical success rates of EUS-BD were 98.6% and 52%, respectively. The technical success rate was 100% for both EUS-guided pancreatic fluid drainage and EUS-guided celiac plexus neurolysis. The adverse event rates were 10.6% and 7.1% for EUS-BD and EUS-guided pancreatic fluid drainage, respectively. Conclusions: EUS is an effective and safe tool for the treatment of gastrointestinal and biliary diseases. It has a low rate of adverse events, even in developing countries.

• Proceedings of the Zoological Society Korea Conference
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• 2003.08a
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• pp.59-59
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• 2003

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