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Your search keyword '"Song, Jae‐seok"' showing total 29 results
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29 results on '"Song, Jae‐seok"'

6. Comparison of surgical outcomes between single versus dual K-wire fixation for unstable distal phalanx fractures.

Author

Choi, Shin Woo, Bae, Joo-Yul, Kim, Sang Young, Kim, Jin Kyung, and Song, Jae-Seok

Subjects
INTERNAL fixation in fractures, HAND injuries, BONE grafting
Abstract

Distal phalanx fractures are the most common injuries of the hand, and K-wire fixation is commonly performed for unstable fractures. However, there is no consensus regarding the number of K-wires to use in bone fixation. We aimed to compare the results between single and dual K-wire pinning. This retrospective study enrolled patients who underwent K-wire pinning for unstable distal phalanx fractures, including the shaft and tuft, from June 2016 through April 2020. We divided patients into two groups based on the number of K-wires used for bone fixation (single vs. dual). Clinical and radiographic data were measured and compared between the two groups. Additionally, multivariable logistic analysis was performed to identify the risk factors for nonunion. A total of 80 patients were enrolled. Among them, 27 were managed with a single K-wire and 53 with a dual K-wire. There was no significant difference in the union rate between the single and dual K-wire groups (77.7% vs. 84.9%, respectively), but time to union was significantly longer in the single K-wire group (11.3 vs. 8.4 weeks; p =.003). The presence of a bone gap after fixation was a risk factor for nonunion. Our study showed that the union rate was comparable between single and dual K-wire pinning in distal phalanx fractures. However, dual K-wire pinning shortened the union time. [ABSTRACT FROM AUTHOR]

Published
2022
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24. Occupational Asthma Due to Formaldehyde

Author

Kim, Cheol Woo, primary, Song, Jae Seok, additional, Ahn, Yeon Soon, additional, Park, Seung Hyun, additional, Park, Jung Won, additional, Noh, Jae Hoon, additional, and Hong, Chein Soo, additional

Published
2001
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25. Investigation of a Nosocomial Outbreak of Imipenem-Resistant Acinetobacter baumanniiProducing the OXA-23 ß-Lactamase in Korea

Author

Jeon, Byung-Chan, Jeong, Seok Hoon, Bae, Il Kwon, Kwon, Su Bong, Lee, Kyungwon, Young, Dongeun, Lee, Jung Hun, Song, Jae Seok, and Lee, Sang Hee

Abstract

ABSTRACTWe investigated an outbreak of Acinetobacter baumanniiin an intensive care unit and in the surgery, medicine, neurology, and urology wards of the Kosin University Gospel Hospital in Busan, Korea. The outbreak involved 36 cases of infection by A. baumanniiproducing the OXA-23 ß-lactamase over an 8-month period and was caused by a single pulsed-field gel electrophoresis clone. The epidemic isolates were characterized by a modified cloverleaf synergy test. Isoelectric focusing of crude bacterial extracts detected one nitrocefin-positive band with a pI value of 6.65. PCR amplification and characterization of the amplicons by direct sequencing indicated that the epidemic isolates carried a blaOXA-23determinant. The epidemic isolates were characterized by a multidrug resistance phenotype that remained unchanged over the outbreak, including penicillins, cephamycins, extended-spectrum cephalosporins, carbapenems, monobactams, and aminoglycosides. This study shows that the blaOXA-23resistance determinant may become an emerging therapeutic problem.

Published
2005
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26. Determination of Urinary Metabolites of Alkyl Cellosolves by Solid Phase Extraction and GC/FID

Author

Choi, Hong Soon, Park, Jun Ho, Song, Jae Seok, and Cho, Yong Bong

Abstract

Determination of Urinary Metabolites of Alkyl Cellosolves by Solid Phase Extraction and GC/FID: Hong Soon Choi, et al.Department of Environment Engineering, Yonsei University, South Korea—Alkyl cellosolves include ethylene glycol monomethylether, ethylene glycol monoethylether, ethylene glycol monobuthylether. And their urine metabolites are methoxyacetic acid, ethoxyacetic acid and butoxyacetic acid. The current analytical method for urinary alkoxyacetic acid is liquid-liquid phase extraction. But the liquid-liquid phase extraction method needs a more complex pre-treatment process and has a low recovery rate. We determined the appropriate extraction solvent and its flow rate. We also evaluated the non-absorptive rate and recovery rate according to particle size. Finally we developed a convenient solid phase extraction method for the analysis of urine cellosolve metabolites. As a result, the recovery rates for methoxyacetic acid, ethoxyacetic acid and butoxyacetic acid were 100.4 ± 1.6%, 100.2 ± 1.8% and 100.7 ± 10.0% respectively, when acetone was used as the extraction solution. The most appropriate flow rate was 0.1 ml/min. At a particle size of 140–200 mesh, non-absorption percentages for methoxyacetic acid, ethoxyacetic acid, butoxyacetic acid were 3.2 ± 0.3%, 1.0 ± 0.1% and 1.1 ± 0.1%, and the recovery rates according to particle size were similar. Further evaluation of the recovery rate and non-absorptive rate according to the mini column shape, stationary phase and recovery rate with various extracting solutions is required.

Published
2004
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29. Investigation of a nosocomial outbreak of imipenem-resistant Acinetobacter baumannii producing the OXA-23 beta-lactamase in korea.

Author

Jeon BC, Jeong SH, Bae IK, Kwon SB, Lee K, Young D, Lee JH, Song JS, and Lee SH

Subjects
Acinetobacter baumannii classification, Acinetobacter baumannii enzymology, Base Sequence, Conjugation, Genetic, DNA Primers, Drug Resistance, Microbial, Genotype, Humans, Korea, Microbial Sensitivity Tests, Acinetobacter baumannii genetics, Acinetobacter baumannii isolation & purification, Cross Infection microbiology, Imipenem pharmacology, beta-Lactamases genetics
Abstract

We investigated an outbreak of Acinetobacter baumannii in an intensive care unit and in the surgery, medicine, neurology, and urology wards of the Kosin University Gospel Hospital in Busan, Korea. The outbreak involved 36 cases of infection by A. baumannii producing the OXA-23 beta-lactamase over an 8-month period and was caused by a single pulsed-field gel electrophoresis clone. The epidemic isolates were characterized by a modified cloverleaf synergy test. Isoelectric focusing of crude bacterial extracts detected one nitrocefin-positive band with a pI value of 6.65. PCR amplification and characterization of the amplicons by direct sequencing indicated that the epidemic isolates carried a bla(OXA-23) determinant. The epidemic isolates were characterized by a multidrug resistance phenotype that remained unchanged over the outbreak, including penicillins, cephamycins, extended-spectrum cephalosporins, carbapenems, monobactams, and aminoglycosides. This study shows that the bla(OXA-23) resistance determinant may become an emerging therapeutic problem.

Published
2005
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