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819 results on '"Park, Byung-Joo"'

103. Evaluation of immunocontraceptive vaccine composed of gonadotropin-releasing hormone conjugated with granulocyte-macrophage colony-stimulating factor in male rats

Author

Go Hyeon-Jeong, Park Byung-Joo, Lee Sang-Won, Song Chang-Seon, Han Sang-Hoon, Kim Yong-Hyun, Lee Joong-Bok, Choi In-Soo, Ahn Hee-Seop, and Park Seung-Yong

Subjects
Immunocontraception, medicine.medical_specialty, Granulocyte macrophage colony-stimulating factor, Endocrinology, business.industry, Internal medicine, Male rats, Medicine, Gonadotropin-releasing hormone, business, medicine.drug
Published
2017
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126. A hybrid genetic algorithm for the job shop scheduling problems

Author

Park, Byung Joo, Choi, Hyung Rim, and Kim, Hyun Soo

Subjects
Genetic algorithms -- Usage
Abstract

The Job Shop Scheduling Problem (JSSP) is one of the most general and difficult of all traditional scheduling problems. The goal of this research is to develop an efficient scheduling method based on genetic algorithm to address JSSP. We design a scheduling method based on Single Genetic Algorithm (SGA) and Parallel Genetic Algorithm (PGA). In the scheduling method, the representation, which encodes the job number, is made to be always feasible, the initial population is generated through integrating representation and G&T algorithm, the new genetic operators and selection method are designed to better transmit the temporal relationships in the chromosome, and island model PGA are proposed. The scheduling methods based on genetic algorithm are tested on five standard benchmark JSSP. The results are compared with other proposed approaches. Compared to traditional genetic algorithm, the proposed approach yields significant improvement in solution quality. The superior results indicate the successful incorporation of a method to generate initial population into the genetic operators. Keywords: Job shop scheduling problem; Genetic algorithm; Benchmark problem

Published
2003

132. Coding-Complete Genome Sequence of a Recombinant Human Norovirus Strain Identified as Subtype GII.p12_GII.3

Author

Park, Byung-Joo, primary, Ahn, Hee-Seop, additional, Han, Sang-Hoon, additional, Go, Hyeon-Jeong, additional, Lyoo, Eu-Lim, additional, Choi, Changsun, additional, Myoung, Jinjong, additional, Lee, Joong-Bok, additional, Park, Seung-Yong, additional, Song, Chang-Seon, additional, Lee, Sang-Won, additional, and Choi, In-Soo, additional

Published
2020
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136. Utilization of evidence-based treatment in elderly patients with chronic heart failure: using Korean Health Insurance claims database

Author

Kim Ju-Young, Kim Hwa-Jung, Jung Sun-Young, Kim Kwang-Il, Song Hong, Lee Joong-Yub, Seong Jong-Mi, and Park Byung-Joo

Subjects
Congestive heart failure, Drug utilization evaluation, Elderly, Type 2 angiotensin receptor antagonists, Angiotensin-converting enzyme antagonists, Beta-adrenergic blockers, Diseases of the circulatory (Cardiovascular) system, RC666-701
Abstract

Abstract Background Chronic heart failure accounts for a great deal of the morbidity and mortality in the aging population. Evidence-based treatments include angiotensin-2 receptor blockers (ARBs), angiotensin-converting enzyme inhibitors (ACE-I), beta-blockers, and aldosterone antagonists. Underutilization of these treatments in heart failure patients were frequently reported, which could lead to increase morbidity and mortality. The aim of this study was to evaluate the utilization of evidence-based treatments and their related factors for elderly patients with chronic heart failure. Methods This is retrospective observational study using the Korean National Health Insurance claims database. We identified prescription of evidence based treatment to elderly patients who had been hospitalized for chronic heart failure between January 1, 2005, and June 30, 2006. Results Among the 28,922 elderly patients with chronic heart failure, beta-blockers were prescribed to 31.5%, and ACE-I or ARBs were prescribed to 54.7% of the total population. Multivariable logistic regression analyses revealed that the prescription from outpatient clinic (prevalent ratio, 4.02, 95% CI 3.31–4.72), specialty of the healthcare providers (prevalent ratio, 1.26, 95% CI, 1.12–1.54), residence in urban (prevalent ratio, 1.37, 95% CI, 1.23–1.52) and admission to tertiary hospital (prevalent ratio, 2.07, 95% CI, 1.85–2.31) were important factors associated with treatment underutilization. Patients not given evidence-based treatment were more likely to experience dementia, reside in rural areas, and have less-specialized healthcare providers and were less likely to have coexisting cardiovascular diseases or concomitant medications than patients in the evidence-based treatment group. Conclusions Healthcare system factors, such as hospital type, healthcare provider factors, such as specialty, and patient factors, such as comorbid cardiovascular disease, systemic disease with concomitant medications, together influence the underutilization of evidence-based pharmacologic treatment for patients with heart failure.

Published
2012
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139. Online registry for nationwide database ofHelicobacter pylorieradication in Korea: Correlation of antibiotic use density with eradication success

Author

Kim, Beom Jin, primary, Yang, Chang‐Hun, additional, Song, Hyun Joo, additional, Jeon, Seong Woo, additional, Kim, Gwang Ha, additional, Kim, Hyun‐Soo, additional, Kim, Tae Ho, additional, Shim, Ki‐Nam, additional, Chung, Il‐Kwun, additional, Park, Moo In, additional, Choi, Il Ju, additional, Kim, Ji Hyun, additional, Kim, Byung‐Wook, additional, Baik, Gwang Ho, additional, Han, Sok Won, additional, Seo, Hyang Eun, additional, Jung, Woon Tae, additional, Hwan Oh, Jung, additional, Kim, Sang Gyun, additional, Lee, Jun Haeng, additional, Park, Sue K., additional, Park, Byung‐Joo, additional, Yang, Bo Ram, additional, Lee, Joongyub, additional, and Kim, Jae G., additional

Published
2019
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143. Zolpidem use and risk of fatal motor vehicle collisions

Author

Lee, Joongyub, Kim, Ye-Jee, Kim, Misook, Jin, Xue-Mei, Oh, Juseok, Ryu, Junbeom, Jung, Sun-Young, Yang, Bo Ram, Choi, Nam-Kyong, Hwang, Byungkwan, and Park, Byung-Joo

Subjects
Transportteknik och logistik, musculoskeletal, neural, and ocular physiology, psychological phenomena and processes, Transport Systems and Logistics
Abstract

In a simulation study evaluating the residual effects of taking a single night-time dose of hypnotics among health individuals on collision anticipation capacities in the next morning, investigators found no residual effect by having taken a capsule of zolpidem. In a real world, however, zolpidem is frequently consumed not only by sleep disorder patients without any other comorbidities, but also patients with multiple chronic diseases. A post-marketing study of zolpidem revealed the incidence of the residual daytime sedation being 3.7%, which was reported to be unlikely based on various experimental circumstances with selected participants demonstrating negligible impairments. In fact, several studies with real world settings have reported positive relationship between the zolpidem and the traffic accident. while evidence among Asian population is scant. Recent analysis of national health insurance data of Taiwan showed use of zolpidem at night of the previous day might be associated with an increased risk of motor vehicle collision (MVC) related hospitalization. The study used 1 million patient sample data of whole Taiwan population to identified hospitalized drivers with MVCs and prescription record of the zolpidem before the hospitalization. However, the inclusion of MVC leading to only hospitalization might have led to underrepresentation of fatal cases that had no admission record. Moreover, the study was limited by lack of control for important confounders, because no information on detailed context of MVCs or alcohol consumptions was available. We aimed to evaluate the risk of fatal MVCs by use of zolpidem considering the context of the MVCs.

Published
2018

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