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Kim Y, Kim HY. Turnover Rates and Factors Associated With Turnover: A Longitudinal Analysis of the Retention Period of Clinical Nurses in Korea Using National Data. Policy Polit Nurs Pract 2024; 25:83-93. [PMID: 38414406 DOI: 10.1177/15271544241231285] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/29/2024]
Abstract
Many countries, including Korea, are struggling with a nursing workforce shortage. This study aimed to identify the actual turnover rate of Korean clinical nurses and the factors affecting the turnover rate, considering the time required for nurses to gain experience at their current medical institution. This longitudinal study followed up on a cohort consisting of all 107,682 nurses from January 1, 2017 to July 30, 2020. Differences in the distribution of retention and turnover according to the medical institutions' and nurses' characteristics were analyzed using the chi-square test. The hazard ratios (HRs) for turnover in each analysis interval were analyzed using multilevel Cox proportional-hazards analysis. The mean turnover rate was 10.0% within 1 year and 33.4% within 3.5 years. Several organizational characteristics (the type and ownership of the hospital, its location, and the bed-to-nurse ratio) and individual characteristics (gender, age, and clinical experience) were found to be associated with turnover risk. Among these factors, compared to hospitals with a bed-to-nurse ratio in general wards of 6.0 or more, those with a ratio of 3.5-3.9 had an HR for 1-year turnover of 0.81 (95% confidence interval [CI] = 0.67-0.98), and those with a ratio of 2.5-2.9 had an HR for 3.5-year turnover of 0.77 (95% CI = 0.66-0.90). The bed-to-nurse ratio is a condition that can be modified through collaboration between government policy-makers and medical institutions. To reduce nurse turnover and retain experienced nurses, appropriate staffing should be implemented.
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Affiliation(s)
- Yunmi Kim
- College of Nursing, Eulji University, Seongnam-si, Republic of Korea
| | - Hyun-Young Kim
- Department of Nursing, Jeonju University, Jeonju-si, Republic of Korea
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Park M, Lim J, Ahn A, Oh EJ, Song J, Kim KH, Han JY, Choi HW, Park JH, Shin KH, Kim H, Kim M, Hwang SH, Kim HY, Cho D, Kang ES. Current Status of Flow Cytometric Immunophenotyping of Hematolymphoid Neoplasms in Korea. Ann Lab Med 2024; 44:222-234. [PMID: 38145891 PMCID: PMC10813832 DOI: 10.3343/alm.2023.0298] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2023] [Revised: 10/12/2023] [Accepted: 12/08/2023] [Indexed: 12/27/2023] Open
Abstract
Background Flow cytometric immunophenotyping of hematolymphoid neoplasms (FCI-HLN) is essential for diagnosis, classification, and minimal residual disease (MRD) monitoring. FCI-HLN is typically performed using in-house protocols, raising the need for standardization. Therefore, we surveyed the current status of FCI-HLN in Korea to obtain fundamental data for quality improvement and standardization. Methods Eight university hospitals actively conducting FCI-HLN participated in our survey. We analyzed responses to a questionnaire that included inquiries regarding test items, reagent antibodies (RAs), fluorophores, sample amounts (SAs), reagent antibody amounts (RAAs), acquisition cell number (ACN), isotype control (IC) usage, positive/negative criteria, and reporting. Results Most hospitals used acute HLN, chronic HLN, plasma cell neoplasm (PCN), and MRD panels. The numbers of RAs were heterogeneous, with a maximum of 32, 26, 12, 14, and 10 antibodies used for acute HLN, chronic HLN, PCN, ALL-MRD, and multiple myeloma-MRD, respectively. The number of fluorophores ranged from 4 to 10. RAs, SAs, RAAs, and ACN were diverse. Most hospitals used a positive criterion of 20%, whereas one used 10% for acute and chronic HLN panels. Five hospitals used ICs for the negative criterion. Positive/negative assignments, percentages, and general opinions were commonly reported. In MRD reporting, the limit of detection and lower limit of quantification were included. Conclusions This is the first comprehensive study on the current status of FCI-HLN in Korea, confirming the high heterogeneity and complexity of FCI-HLN practices. Standardization of FCI-HLN is urgently needed. The findings provide a reference for establishing standard FCI-HLN guidelines.
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Affiliation(s)
- Mikyoung Park
- Department of Laboratory Medicine, Eunpyeong St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea
| | - Jihyang Lim
- Department of Laboratory Medicine, Eunpyeong St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea
| | - Ari Ahn
- Department of Laboratory Medicine, Incheon St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea
| | - Eun-Jee Oh
- Department of Laboratory Medicine, Seoul St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea
| | - Jaewoo Song
- Department of Laboratory Medicine, Severance Hospital, Yonsei University College of Medicine, Seoul, Korea
| | - Kyeong-Hee Kim
- Department of Laboratory Medicine, Dong-A University Hospital, College of Medicine, Dong-A University, Busan, Korea
| | - Jin-Yeong Han
- Department of Laboratory Medicine, Dong-A University Hospital, College of Medicine, Dong-A University, Busan, Korea
| | - Hyun-Woo Choi
- Department of Laboratory Medicine, Chonnam National University Hwasun Hospital, Chonnam National University Medical School, Hwasun, Korea
| | - Joo-Heon Park
- Department of Laboratory Medicine, Chonnam National University Hwasun Hospital, Chonnam National University Medical School, Hwasun, Korea
| | - Kyung-Hwa Shin
- Department of Laboratory Medicine, Pusan National University Hospital, Pusan National University School of Medicine, Busan, Korea
| | - Hyerim Kim
- Department of Laboratory Medicine, Pusan National University Hospital, Pusan National University School of Medicine, Busan, Korea
| | - Miyoung Kim
- Department of Laboratory Medicine, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Sang-Hyun Hwang
- Department of Laboratory Medicine, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Hyun-Young Kim
- Department of Laboratory Medicine and Genetics, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Duck Cho
- Department of Laboratory Medicine and Genetics, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Eun-Suk Kang
- Department of Laboratory Medicine and Genetics, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
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Kim TY, Park MS, Yun SA, Kang M, Kim DR, Shin A, Kim HY, Jang MA, Jang JH, Kwon MJ, Huh HJ, Kim YJ, Lee NY. Performance evaluation of the SMG HHV-6 Q Real-Time PCR Kit for quantitative detection and differentiation of human herpesvirus 6A and 6B. Microbiol Spectr 2024; 12:e0424923. [PMID: 38451228 DOI: 10.1128/spectrum.04249-23] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2023] [Accepted: 02/26/2024] [Indexed: 03/08/2024] Open
Abstract
The aim of this study was to compare the performance of the newly developed SMG HHV-6 Q Real-Time PCR Kit (SMG assay) with the RealStar HHV-6 PCR Kit (RealStar assay). The analytical sensitivity and specificity, linearity, and precision of the SMG assay were evaluated. The clinical performance of the SMG assay was assessed and compared with that of the RealStar assay using 207 clinical specimens (HHV-6A positive, n = 51; HHV-6B positive, n = 64; HHV-6A/B negative, n = 92). The limit of detection of the SMG assay was 2.92 log10 copies/mL for HHV-6A DNA and 2.88 log10 copies/mL for HHV-6B DNA. The linear range was determined to be 3.40-9.00 log10 copies/mL for both viruses. Intra- and inter-assay variability were below 5% at concentrations ranging from 4 to 9 log10 copies/mL. No cross-reactivity was observed with the 25 microorganisms included in the specificity panel. The clinical sensitivity and specificity of the SMG and RealStar assays compared to in-house polymerase chain reaction and sequencing were as follows: SMG assay, 98.0% and 100% for HHV-6A DNA, respectively, and 96.9% and 100% for HHV-6B DNA, respectively; RealStar assay, 98.0% and 100% for HHV-6A DNA, respectively, and 90.6% and 100% for HHV-6B DNA, respectively. The correlation coefficients between viral loads measured by the two assays were 0.948 and 0.975, with mean differences of 0.62 and 0.32 log10 copies/mL for HHV-6A and HHV-6B DNA, respectively. These results demonstrate that the SMG assay is a sensitive and reliable tool for the quantitative detection and differentiation of HHV-6A and HHV-6B DNA.IMPORTANCEQuantitative real-time PCR (qPCR) that can distinguish between HHV-6A and HHV-6B DNA is recommended for diagnosis of active infection. The SMG HHV-6 Q Real-Time PCR Kit (SMG assay) is a newly developed qPCR assay that can differentiate between HHV-6A and HHV-6B DNA; however, little is known about its performance. In this study, we assessed the performance of the SMG assay and compared it with that of a commercially available qPCR assay, the RealStar HHV-6 PCR Kit (RealStar assay). The SMG assay demonstrated excellent analytical sensitivity and specificity, precision, and linearity. Furthermore, the viral loads measured by the SMG assay were highly correlated with those measured by the RealStar assay. Our results suggest that the SMG assay is a useful diagnostic tool for quantitative detection and differentiation of HHV-6A and HHV-6B DNA.
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Affiliation(s)
- Tae Yeul Kim
- Department of Laboratory Medicine and Genetics, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, South Korea
| | - Min-Seung Park
- Department of Laboratory Medicine, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, Seoul, South Korea
| | - Sun Ae Yun
- Center for Clinical Medicine, Samsung Biomedical Research Institute, Samsung Medical Center, Seoul, South Korea
| | - Minhee Kang
- Biomedical Engineering Research Center, Smart Healthcare Research Institute, Samsung Medical Center, Seoul, South Korea
- Department of Medical Device Management and Research, Samsung Advanced Institute for Health Sciences and Technology, Sungkyunkwan University, Seoul, South Korea
| | - Doo Ri Kim
- Department of Pediatrics, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, South Korea
| | - Areum Shin
- Department of Pediatrics, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, South Korea
| | - Hyun-Young Kim
- Department of Laboratory Medicine and Genetics, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, South Korea
| | - Mi-Ae Jang
- Department of Laboratory Medicine and Genetics, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, South Korea
| | - Ja-Hyun Jang
- Department of Laboratory Medicine and Genetics, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, South Korea
| | - Min-Jung Kwon
- Department of Laboratory Medicine, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, Seoul, South Korea
| | - Hee Jae Huh
- Department of Laboratory Medicine and Genetics, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, South Korea
- Samsung Advanced Institute for Health Sciences and Technology, Sungkyunkwan University, Seoul, South Korea
| | - Yae-Jean Kim
- Department of Pediatrics, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, South Korea
- Samsung Advanced Institute for Health Sciences and Technology, Sungkyunkwan University, Seoul, South Korea
| | - Nam Yong Lee
- Department of Laboratory Medicine and Genetics, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, South Korea
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Gauer C, Battis K, Schneider Y, Florio JB, Mante M, Kim HY, Rissman RA, Hoffmann A, Winkler J. CSF1R-mediated myeloid cell depletion shifts the ratio of motor cortical excitatory to inhibitory neurons in a multiple system atrophy model. Exp Neurol 2024; 374:114706. [PMID: 38311020 DOI: 10.1016/j.expneurol.2024.114706] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2023] [Accepted: 01/28/2024] [Indexed: 02/06/2024]
Abstract
Motor cortical circuit functions depend on the coordinated fine-tuning of two functionally diverse neuronal populations: glutamatergic pyramidal neurons providing synaptic excitation and GABAergic interneurons adjusting the response of pyramidal neurons through synaptic inhibition. Microglia are brain resident macrophages which dynamically refine cortical circuits by monitoring perineuronal extracellular matrix and remodelling synapses. Previously, we showed that colony-stimulating factor 1 receptor (CSF1R)-mediated myeloid cell depletion extended the lifespan, but impaired motor functions of MBP29 mice, a mouse model for multiple system atrophy. In order to better understand the mechanisms underlying these motor deficits we characterized the microglial involvement in the cortical balance of GABAergic interneurons and glutamatergic pyramidal neurons in 4-months-old MBP29 mice following CSF1R inhibition for 12 weeks. Lack of myeloid cells resulted in a decreased number of COUP TF1 interacting protein 2-positive (CTIP2+) layer V pyramidal neurons, however in a proportional increase of calretinin-positive GABAergic interneurons in MBP29 mice. While myeloid cell depletion did not alter the expression of important presynaptic and postsynaptic proteins, the loss of cortical perineuronal net area was attenuated by CSF1R inhibition in MBP29 mice. These cortical changes may restrict synaptic plasticity and potentially modify parvalbumin-positive perisomatic input. Collectively, this study suggests, that the lack of myeloid cells shifts the neuronal balance toward an increased inhibitory connectivity in the motor cortex of MBP29 mice thereby potentially deteriorating motor functions.
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Affiliation(s)
- C Gauer
- Department of Molecular Neurology, University Hospital Erlangen, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), 91054 Erlangen, Germany
| | - K Battis
- Department of Molecular Neurology, University Hospital Erlangen, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), 91054 Erlangen, Germany
| | - Y Schneider
- Department of Molecular Neurology, University Hospital Erlangen, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), 91054 Erlangen, Germany
| | - J B Florio
- Department of Neurosciences, University of California-San Diego, La Jolla, CA 92093, USA
| | - M Mante
- Department of Neurosciences, University of California-San Diego, La Jolla, CA 92093, USA
| | - H Y Kim
- Department of Neurosciences, University of California-San Diego, La Jolla, CA 92093, USA
| | - R A Rissman
- Department of Neurosciences, University of California-San Diego, La Jolla, CA 92093, USA
| | - A Hoffmann
- Department of Molecular Neurology, University Hospital Erlangen, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), 91054 Erlangen, Germany; UK Dementia Research Institute at The University of Edinburgh, Edinburgh, UK; Keenan Research Centre for Biomedical Science and Barlo Multiple Sclerosis Centre, St. Michael's Hospital, Toronto, Ontario, Canada.
| | - J Winkler
- Department of Molecular Neurology, University Hospital Erlangen, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), 91054 Erlangen, Germany.
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Lim Y, Park J, Lim JE, Park M, Koh SK, Lee M, Kim SK, Lee SH, Song KH, Park DG, Kim HY, Jeong BC, Cho D. Evaluating a combination treatment of NK cells and reovirus against bladder cancer cells using an in vitro assay to simulate intravesical therapy. Sci Rep 2024; 14:7390. [PMID: 38548803 PMCID: PMC10979019 DOI: 10.1038/s41598-024-56297-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2023] [Accepted: 03/05/2024] [Indexed: 04/01/2024] Open
Abstract
Intravesical treatment using either reovirus or natural killer (NK) cells serves as an efficient strategy for the treatment of bladder cancer cells (BCCs); however, corresponding monotherapies have often shown modest cytotoxicity. The potential of a locoregional combination using high-dose reovirus and NK cell therapy in an intravesical approach has not yet been studied. In this study, we evaluated the effectiveness of reoviruses and expanded NK cells (eNK) as potential strategies for the treatment of bladder cancer. The anti-tumor effects of mono-treatment with reovirus type 3 Dearing strain (RC402 and RP116) and in combination with interleukin (IL)-18/-21-pretreated eNK cells were investigated on BCC lines (5637, HT-1376, and 253J-BV) using intravesical therapy to simulate in vitro model. RP116 and IL-18/-21-pretreated eNK cells exhibited effective cytotoxicity against grade 1 carcinoma (5637 cells) when used alone, but not against HT-1376 (grade 2 carcinoma) and 253J-BV cells (derived from a metastatic site). Notably, combining RP116 with IL-18/-21-pretreated eNK cells displayed effective cytotoxicity against both HT-1376 and 253J-BV cells. Our findings underscore the potential of a combination therapy using reoviruses and NK cells as a promising strategy for treating bladder cancer.
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Affiliation(s)
- Yuree Lim
- Department of Biopharmaceutical Convergence, Sungkyunkwan University (SKKU), Suwon, Korea
| | - Jeehun Park
- Department of Molecular Bioscience, College of Biomedical Science, Kangwon National University, Chuncheon, Korea
| | - Joung Eun Lim
- Department of Urology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, South Korea
| | - Minji Park
- Department of Health Sciences and Technology, SAIHST, Sungkyunkwan University, Seoul, South Korea
| | - Seung Kwon Koh
- Department of Health Sciences and Technology, SAIHST, Sungkyunkwan University, Seoul, South Korea
| | - Mijeong Lee
- Department of Health Sciences and Technology, SAIHST, Sungkyunkwan University, Seoul, South Korea
| | - Sang-Ki Kim
- Department of Companion & Laboratory Animal Science, Kongju National University, Yesan, Korea
| | - Seung-Hwan Lee
- Department of Biochemistry, Microbiology and Immunology, Faculty of Medicine, University of Ottawa, Ottawa, ON, Canada
| | | | - Dong Guk Park
- ViroCure Inc., Seoul, Republic of Korea
- Department of Surgery, School of Medicine, Dankook University, Cheonan, South Korea
| | - Hyun-Young Kim
- Department of Laboratory Medicine and Genetics, Samsung Medical Center, Sungkyunkwan University School of Medicine, 81, Irwon-Ro, Gangnam-Gu, Seoul, 06351, Republic of Korea
| | - Byong Chang Jeong
- Department of Urology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, South Korea.
- Department of Health Sciences and Technology, SAIHST, Sungkyunkwan University, Seoul, South Korea.
| | - Duck Cho
- Department of Biopharmaceutical Convergence, Sungkyunkwan University (SKKU), Suwon, Korea.
- Department of Health Sciences and Technology, SAIHST, Sungkyunkwan University, Seoul, South Korea.
- Department of Laboratory Medicine and Genetics, Samsung Medical Center, Sungkyunkwan University School of Medicine, 81, Irwon-Ro, Gangnam-Gu, Seoul, 06351, Republic of Korea.
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Kaveti R, Lee JH, Youn JK, Jang TM, Han WB, Yang SM, Shin JW, Ko GJ, Kim DJ, Han S, Kang H, Bandodkar AJ, Kim HY, Hwang SW. Soft, Long-Lived, Bioresorbable Electronic Surgical Mesh with Wireless Pressure Monitor and On-Demand Drug Delivery. Adv Mater 2024; 36:e2307391. [PMID: 37770105 DOI: 10.1002/adma.202307391] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/25/2023] [Revised: 09/02/2023] [Indexed: 10/03/2023]
Abstract
Current research in the area of surgical mesh implants is somewhat limited to traditional designs and synthesis of various mesh materials, whereas meshes with multiple functions may be an effective approach to address long-standing challenges including postoperative complications. Herein, a bioresorbable electronic surgical mesh is presented that offers high mechanical strength over extended timeframes, wireless post-operative pressure monitoring, and on-demand drug delivery for the restoration of tissue structure and function. The study of materials and mesh layouts provides a wide range of tunability of mechanical and biochemical properties. Dissolvable dielectric composite with porous structure in a pyramidal shape enhances sensitivity of a wireless capacitive pressure sensor, and resistive microheaters integrated with inductive coils provide thermo-responsive drug delivery system for an antibacterial agent. In vivo evaluations demonstrate reliable, long-lived operation, and effective treatment for abdominal hernia defects, by clear evidence of suppressed complications such as adhesion formation and infections.
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Affiliation(s)
- Rajaram Kaveti
- KU-KIST Graduate School of Converging Science and Technology, Korea University, 145 Anam-ro, Seongbuk-gu, Seoul, 02841, Republic of Korea
| | - Joong Hoon Lee
- KU-KIST Graduate School of Converging Science and Technology, Korea University, 145 Anam-ro, Seongbuk-gu, Seoul, 02841, Republic of Korea
- SK Hynix Co., Ltd., 2091, Gyeongchung-daero, Bubal-eup, Incheon, Gyeonggi-do, 17336, Republic of Korea
| | - Joong Kee Youn
- Department of Pediatric Surgery, Seoul National University Hospital, 101, Daehak-ro, Jongno-gu, Seoul, 03080, Republic of Korea
| | - Tae-Min Jang
- KU-KIST Graduate School of Converging Science and Technology, Korea University, 145 Anam-ro, Seongbuk-gu, Seoul, 02841, Republic of Korea
| | - Won Bae Han
- KU-KIST Graduate School of Converging Science and Technology, Korea University, 145 Anam-ro, Seongbuk-gu, Seoul, 02841, Republic of Korea
| | - Seung Min Yang
- KU-KIST Graduate School of Converging Science and Technology, Korea University, 145 Anam-ro, Seongbuk-gu, Seoul, 02841, Republic of Korea
- Hanwha Systems Co., Ltd., 188, Pangyoyeok-Ro, Bundang-Gu, Seongnam-si, Gyeonggi-do, 13524, Republic of Korea
| | - Jeong-Woong Shin
- KU-KIST Graduate School of Converging Science and Technology, Korea University, 145 Anam-ro, Seongbuk-gu, Seoul, 02841, Republic of Korea
| | - Gwan-Jin Ko
- KU-KIST Graduate School of Converging Science and Technology, Korea University, 145 Anam-ro, Seongbuk-gu, Seoul, 02841, Republic of Korea
| | - Dong-Je Kim
- KU-KIST Graduate School of Converging Science and Technology, Korea University, 145 Anam-ro, Seongbuk-gu, Seoul, 02841, Republic of Korea
| | - Sungkeun Han
- KU-KIST Graduate School of Converging Science and Technology, Korea University, 145 Anam-ro, Seongbuk-gu, Seoul, 02841, Republic of Korea
| | - Heeseok Kang
- KU-KIST Graduate School of Converging Science and Technology, Korea University, 145 Anam-ro, Seongbuk-gu, Seoul, 02841, Republic of Korea
| | - Amay J Bandodkar
- Department of Electrical and Computer Engineering, North Carolina State University, Raleigh, NC, 27606, USA
- Center for Advanced Self-Powered Systems of Integrated Sensors and Technologies (ASSIST), North Carolina State University, Raleigh, NC, 27606, USA
| | - Hyun-Young Kim
- Department of Pediatric Surgery, Seoul National University Hospital, 101, Daehak-ro, Jongno-gu, Seoul, 03080, Republic of Korea
| | - Suk-Won Hwang
- KU-KIST Graduate School of Converging Science and Technology, Korea University, 145 Anam-ro, Seongbuk-gu, Seoul, 02841, Republic of Korea
- Department of Integrative Energy Engineering, Korea University, 145 Anam-ro, Seongbuk-gu, Seoul, 02841, Republic of Korea
- Center for Biomaterials, Biomedical Research Institute, Korea Institute of Science and Technology (KIST), 5 Hwarang-ro 14-gil, Seongbuk-gu, Seoul, 02792, Republic of Korea
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Lee J, Kim M, Heo D, Kim J, Kim MK, Lee T, Park J, Kim H, Hwang M, Kim L, Kim SP. A comprehensive dataset for home appliance control using ERP-based BCIs with the application of inter-subject transfer learning. Front Hum Neurosci 2024; 18:1320457. [PMID: 38361913 PMCID: PMC10867822 DOI: 10.3389/fnhum.2024.1320457] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2023] [Accepted: 01/08/2024] [Indexed: 02/17/2024] Open
Abstract
Brain-computer interfaces (BCIs) have a potential to revolutionize human-computer interaction by enabling direct links between the brain and computer systems. Recent studies are increasingly focusing on practical applications of BCIs-e.g., home appliance control just by thoughts. One of the non-invasive BCIs using electroencephalography (EEG) capitalizes on event-related potentials (ERPs) in response to target stimuli and have shown promise in controlling home appliance. In this paper, we present a comprehensive dataset of online ERP-based BCIs for controlling various home appliances in diverse stimulus presentation environments. We collected online BCI data from a total of 84 subjects among whom 60 subjects controlled three types of appliances (TV: 30, door lock: 15, and electric light: 15) with 4 functions per appliance, 14 subjects controlled a Bluetooth speaker with 6 functions via an LCD monitor, and 10 subjects controlled air conditioner with 4 functions via augmented reality (AR). Using the dataset, we aimed to address the issue of inter-subject variability in ERPs by employing the transfer learning in two different approaches. The first approach, "within-paradigm transfer learning," aimed to generalize the model within the same paradigm of stimulus presentation. The second approach, "cross-paradigm transfer learning," involved extending the model from a 4-class LCD environment to different paradigms. The results demonstrated that transfer learning can effectively enhance the generalizability of BCIs based on ERP across different subjects and environments.
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Affiliation(s)
- Jongmin Lee
- Department of Biomedical Engineering, Ulsan National Institute of Science and Technology, Ulsan, Republic of Korea
| | - Minju Kim
- Department of Biomedical Engineering, Ulsan National Institute of Science and Technology, Ulsan, Republic of Korea
| | - Dojin Heo
- Department of Biomedical Engineering, Ulsan National Institute of Science and Technology, Ulsan, Republic of Korea
| | - Jongsu Kim
- Department of Biomedical Engineering, Ulsan National Institute of Science and Technology, Ulsan, Republic of Korea
| | - Min-Ki Kim
- The Institute of Healthcare Convergence, College of Medicine, Catholic Kwandong University, Gangneung-si, Republic of Korea
| | - Taejun Lee
- Department of Biomedical Engineering, Ulsan National Institute of Science and Technology, Ulsan, Republic of Korea
| | - Jongwoo Park
- Department of Biomedical Engineering, Ulsan National Institute of Science and Technology, Ulsan, Republic of Korea
| | - HyunYoung Kim
- Department of Biomedical Engineering, Ulsan National Institute of Science and Technology, Ulsan, Republic of Korea
| | - Minho Hwang
- Department of Biomedical Engineering, Ulsan National Institute of Science and Technology, Ulsan, Republic of Korea
| | - Laehyun Kim
- Center for Bionics, Korea Institute of Science and Technology, Seoul, Republic of Korea
| | - Sung-Phil Kim
- Department of Biomedical Engineering, Ulsan National Institute of Science and Technology, Ulsan, Republic of Korea
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Bang HI, Lee JY, Kim HY, Shin S, Nam MH, Kim IS, Kim JM, Yoon JH, Shin MG, Hwang SM, Kong SY. Coagulation Testing in Real-World Setting: Insights From a Comprehensive Survey. Clin Appl Thromb Hemost 2024; 30:10760296241228239. [PMID: 38321776 PMCID: PMC10851719 DOI: 10.1177/10760296241228239] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2023] [Revised: 12/18/2023] [Accepted: 01/07/2024] [Indexed: 02/08/2024] Open
Abstract
The objective of this survey was to gain a real-world perspective on coagulation testing by evaluating the availability of various coagulation laboratory tests, assessing specific analytic and postanalytic steps in clinical laboratories in Korea.Participants were surveyed using a 65-question questionnaire specifically focused on their coagulation testing practices related to prothrombin time (PT), activated partial thromboplastin time (aPTT), plasma-mixing studies, lupus anticoagulant (LA) tests, platelet function tests, coagulation factor assays, and the composition of hemostasis and thrombosis test panels. The survey was performed between July and September 2022.The survey achieved a 77.9% (81 of 104) response rate. PT or aPTT tests were performed directly at all participating institutions, followed by D-dimer and fibrinogen tests, platelet function test, and plasma-mixing studies in order of frequency. Variations existed in the performance of mixing test and LA assessment. Patterns of coagulating testing differed depending on the size of the hospital. The survey revealed that most laboratories conducted coagulation tests following the international guidelines such as Clinical Laboratory Standards Institute guidelines and the Korean Laboratory Certification system. However, some coagulation tests, including mixing test and LA tests, are yet to be standardized in Korea.Continuous education on coagulation test methods and internal and external quality control are required to encourage laboratories to enhance the performance of coagulation testing.
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Affiliation(s)
- Hae In Bang
- Department of Laboratory Medicine, Soonchunhyang University Seoul Hospital, Seoul, The Republic of Korea
| | - Ja Young Lee
- Department of Laboratory Medicine, Inje University Busan Paik Hospital, Busan, The Republic of Korea
| | - Hyun-Young Kim
- Department of Laboratory Medicine and Genetics, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, The Republic of Korea
| | - Saeam Shin
- Department of Laboratory Medicine, Yonsei University College of Medicine, Seoul, The Republic of Korea
| | - Myung Hyun Nam
- Department of Laboratory Medicine, Korea University Anam Hospital, Seoul, The Republic of Korea
| | - In-Suk Kim
- Department of Laboratory Medicine, Pusan National University Yangsan Hospital, Yangsan, The Republic of Korea
| | - Ji Myung Kim
- Department of Laboratory Medicine, Chungnam National University College of Medicine, Daejeon, The Republic of Korea
| | - Jong-Hyun Yoon
- Department of Laboratory Medicine, Seoul National University Boramae Medical Center, Seoul, The Republic of Korea
| | - Myung-Geun Shin
- Department of Laboratory Medicine, Chonnam National University Medical School and Chonnam National University Hwasun Hospital, Hwasun, The Republic of Korea
| | - Sang Mee Hwang
- Department of Laboratory Medicine, Seoul National University Bundang Hospital, Seongnam, The Republic of Korea
| | - Sun-Young Kong
- Department of Laboratory Medicine, National Cancer Center Hospital, Goyang, The Republic of Korea
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9
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Park HJ, Choi JY, Kim BK, Hong KT, Kim HY, Kim IH, Cheon GJ, Cheon JE, Park SH, Kang HJ. The Impact of 131I-Metaiodobenzylguanidine as a Conditioning Regimen of Tandem High-Dose Chemotherapy and Autologous Stem Cell Transplantation for High-Risk Neuroblastoma. Children (Basel) 2023; 10:1936. [PMID: 38136138 PMCID: PMC10742322 DOI: 10.3390/children10121936] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/26/2023] [Revised: 12/12/2023] [Accepted: 12/16/2023] [Indexed: 12/24/2023]
Abstract
BACKGROUND The optimal conditioning regimen of tandem high-dose chemotherapy (HDC) and autologous stem cell transplantation (ASCT) for high-risk neuroblastoma (HR-NBL) has not been established. The efficacy of 131I-MIBG therapy is under exploration in newly diagnosed HR-NBL patients. Here, we compared the outcomes of tandem HDC/ASCT between the 131I-MIBG combination and non-MIBG groups. METHODS We retrospectively analyzed the clinical data of 33 HR-NBL patients who underwent tandem HDC/ASCT between 2007 and 2021 at the Seoul National University Children's Hospital. RESULTS The median age at diagnosis was 3.6 years. 131I-MIBG was administered to 13 (39.4%) of the patients. Thirty patients (90.9%) received maintenance therapy after tandem HDC/ASCT, twenty-two were treated with isotretinoin ± interleukin-2, and eight received salvage chemotherapy. The five-year overall survival (OS) and event-free survival (EFS) rates of all patients were 80.4% and 69.4%, respectively. Comparing the 131I-MIBG combined group and other groups, the five-year OS rates were 82.1% and 79.7% (p = 0.655), and the five-year EFS rates were 69.2% and 69.6% (p = 0.922), respectively. Among the adverse effects of grade 3 or 4, the incidence of liver enzyme elevation was significantly higher in the non-131I-MIBG group. CONCLUSIONS Although tandem HDC/ASCT showed promising outcomes, the 131I-MIBG combination did not improve survival rates.
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Affiliation(s)
- Hyun Jin Park
- Department of Pediatrics, Seoul National University College of Medicine, Seoul 03080, Republic of Korea; (H.J.P.); (K.T.H.)
- Seoul National University Cancer Research Institute, Seoul 03080, Republic of Korea (G.J.C.)
| | - Jung Yoon Choi
- Department of Pediatrics, Seoul National University College of Medicine, Seoul 03080, Republic of Korea; (H.J.P.); (K.T.H.)
- Seoul National University Cancer Research Institute, Seoul 03080, Republic of Korea (G.J.C.)
| | - Bo Kyung Kim
- Department of Pediatrics, Seoul National University College of Medicine, Seoul 03080, Republic of Korea; (H.J.P.); (K.T.H.)
- Seoul National University Cancer Research Institute, Seoul 03080, Republic of Korea (G.J.C.)
| | - Kyung Taek Hong
- Department of Pediatrics, Seoul National University College of Medicine, Seoul 03080, Republic of Korea; (H.J.P.); (K.T.H.)
- Seoul National University Cancer Research Institute, Seoul 03080, Republic of Korea (G.J.C.)
| | - Hyun-Young Kim
- Department of Pediatric Surgery, Seoul National University College of Medicine, Seoul 03080, Republic of Korea
| | - Il Han Kim
- Seoul National University Cancer Research Institute, Seoul 03080, Republic of Korea (G.J.C.)
- Department of Radiation Oncology, Seoul National University College of Medicine, Seoul 03080, Republic of Korea
| | - Gi Jeong Cheon
- Seoul National University Cancer Research Institute, Seoul 03080, Republic of Korea (G.J.C.)
- Department of Nuclear Medicine, Seoul National University College of Medicine, Seoul 03080, Republic of Korea
| | - Jung-Eun Cheon
- Department of Radiology, Seoul National University College of Medicine, Seoul 03080, Republic of Korea;
| | - Sung-Hye Park
- Department of Pathology, Seoul National University College of Medicine, Seoul 03080, Republic of Korea;
| | - Hyoung Jin Kang
- Department of Pediatrics, Seoul National University College of Medicine, Seoul 03080, Republic of Korea; (H.J.P.); (K.T.H.)
- Seoul National University Cancer Research Institute, Seoul 03080, Republic of Korea (G.J.C.)
- Wide River Institute of Immunology, Hongcheon 25159, Republic of Korea
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10
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Kim HY, Yoo KH, Jung CW, Kim HJ, Kim SH. Genetic Characteristics of Patients with Young-Onset Myelodysplastic Neoplasms. J Clin Med 2023; 12:7651. [PMID: 38137719 PMCID: PMC10743392 DOI: 10.3390/jcm12247651] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2023] [Revised: 11/15/2023] [Accepted: 12/12/2023] [Indexed: 12/24/2023] Open
Abstract
Myelodysplastic neoplasm (MDS) is a heterogeneous group of myeloid neoplasms affected by germline and somatic genetic alterations. The incidence of MDS increases with age but rarely occurs at a young age. We investigated the germline and somatic genetic alterations of Korean patients with young-onset MDS (<40 years). Among the thirty-one patients, five (16.1%) had causative germline variants predisposing them to myeloid neoplasms (three with GATA2 variants and one each with PGM3 and ETV variants). We found that PGM3 deficiency, a subtype of severe immunodeficiency, predisposes patients to MDS. Somatic mutations were identified in 14 patients (45.2%), with lower rates in patients aged < 20 years (11.1%). Nine (29%) patients had U2AF1 S34F/Y mutations, and patients with U2AF1 mutations showed significantly worse progression-free survival (p < 0.001) and overall survival (p = 0.006) than those without U2AF1 mutations. A UBA1 M41T mutation that causes VEXAS syndrome was identified in a male patient. In conclusion, a germline predisposition to myeloid neoplasms occurred in ~16% of young-onset MDS patients and was largely associated with primary immunodeficiencies, including GATA2 deficiency. Furthermore, the high frequency of somatic U2AF1 mutations in patients with young-onset MDS suggests the presence of a distinct MDS subtype.
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Affiliation(s)
- Hyun-Young Kim
- Department of Laboratory Medicine and Genetics, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul 06351, Republic of Korea; (H.-Y.K.); (H.-J.K.)
| | - Keon Hee Yoo
- Department of Pediatrics, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul 06351, Republic of Korea;
| | - Chul Won Jung
- Division of Hematology-Oncology, Department of Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul 06351, Republic of Korea;
| | - Hee-Jin Kim
- Department of Laboratory Medicine and Genetics, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul 06351, Republic of Korea; (H.-Y.K.); (H.-J.K.)
| | - Sun-Hee Kim
- Department of Laboratory Medicine and Genetics, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul 06351, Republic of Korea; (H.-Y.K.); (H.-J.K.)
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11
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Kim M, Hong KT, Park HJ, Kim BK, Choi JY, Kim HY, Kang HJ. Clinical effectiveness and safety of sirolimus in pediatric patients with complex vascular anomalies: necessitating personalized and comprehensive approaches. Front Pediatr 2023; 11:1304133. [PMID: 38034833 PMCID: PMC10687411 DOI: 10.3389/fped.2023.1304133] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/29/2023] [Accepted: 11/03/2023] [Indexed: 12/02/2023] Open
Abstract
Background Managing complex vascular anomalies in pediatric care requires comprehensive approaches. Sirolimus, an mTOR inhibitor with immunosuppressive and anti-angiogenic properties, offers promise. We evaluated sirolimus's effectiveness and safety in pediatric patients with complex vascular anomalies at a tertiary children's hospital. Methods Our study included 20 patients, aged 1 month to 19 years, with diverse vascular anomalies resistant to conventional therapies or located in high-risk areas precluding surgery. The evaluation of response encompassed measuring the reduction in the size of the targeted vascular or lymphatic lesions as observed on radiologic imaging, along with considering improvements reported by the patients. Results Patients used sirolimus for a median of 2.1 years, ranging from 0.6-4.3 years. Results indicated that 60% of patients achieved complete or partial response (CR/PR), whereas 40% had stable disease (SD). Notably, no disease progression occurred. Lesion size assessment was complex, yet patients' self-reported improvements were considered. Three patients reinitiated sirolimus after discontinuation due to worsening lesions. Sirolimus treatment demonstrated good tolerability, with minor complications except for one case of Pneumocystis jiroveci pneumonia. Group comparisons based on response highlighted better outcomes in patients with vascular tumors (CR/PR group 58.0% vs. SD group 0.0%, P = 0.015) or localized measurable lesions (83.3% vs. 12.5%, P = 0.005). Conclusion Our study underscores sirolimus's potential for treating complex vascular anomalies in pediatric patients. Challenges associated with optimal treatment duration and concurrent interventions necessitate a comprehensive approach and genetic testing to optimize outcomes.
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Affiliation(s)
- Minji Kim
- Department of Pediatrics, Seoul National University College of Medicine, Seoul National University Children’s Hospital, Seoul, Republic of Korea
| | - Kyung Taek Hong
- Department of Pediatrics, Seoul National University College of Medicine, Seoul National University Children’s Hospital, Seoul, Republic of Korea
- Seoul National University Cancer Research Institute, Seoul, Republic of Korea
| | - Hyun Jin Park
- Department of Pediatrics, Seoul National University College of Medicine, Seoul National University Children’s Hospital, Seoul, Republic of Korea
- Seoul National University Cancer Research Institute, Seoul, Republic of Korea
| | - Bo Kyung Kim
- Department of Pediatrics, Seoul National University College of Medicine, Seoul National University Children’s Hospital, Seoul, Republic of Korea
- Seoul National University Cancer Research Institute, Seoul, Republic of Korea
| | - Jung Yoon Choi
- Department of Pediatrics, Seoul National University College of Medicine, Seoul National University Children’s Hospital, Seoul, Republic of Korea
- Seoul National University Cancer Research Institute, Seoul, Republic of Korea
| | - Hyun-Young Kim
- Division of Pediatric Surgery, Seoul National University College of Medicine, Seoul, Republic of Korea
| | - Hyoung Jin Kang
- Department of Pediatrics, Seoul National University College of Medicine, Seoul National University Children’s Hospital, Seoul, Republic of Korea
- Seoul National University Cancer Research Institute, Seoul, Republic of Korea
- Wide River Institute of Immunology, Hongcheon, Republic of Korea
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12
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Jeong IH, Seo JY, Choi S, Kim HY, Cho D. ABO Blood Group Antigen Changes in Acute Myeloid Leukemia and No Significant Association With RUNX1 and GATA2 Somatic Variants. Ann Lab Med 2023; 43:635-637. [PMID: 37387499 DOI: 10.3343/alm.2023.43.6.635] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2023] [Revised: 02/22/2023] [Accepted: 04/03/2023] [Indexed: 07/01/2023] Open
Affiliation(s)
- In Hwa Jeong
- Department of Laboratory Medicine and Genetics, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Ji Young Seo
- Department of Laboratory Medicine and Genetics, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Sooin Choi
- Department of Laboratory Medicine and Genetics, Soonchunhyang University Hospital Bucheon, Soonchyunhyang University College of Medicine, Bucheon, Korea
| | - Hyun-Young Kim
- Department of Laboratory Medicine and Genetics, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Duck Cho
- Department of Laboratory Medicine and Genetics, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
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13
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Yang HB, Pierro A, Kim HY. Comparison of conventional mechanical ventilation and high-frequency oscillatory ventilation in congenital diaphragmatic hernias: a systematic review and meta-analysis. Sci Rep 2023; 13:16136. [PMID: 37752154 PMCID: PMC10522688 DOI: 10.1038/s41598-023-42344-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2023] [Accepted: 09/08/2023] [Indexed: 09/28/2023] Open
Abstract
Outcomes of conventional mechanical ventilation (CMV) and high-frequency oscillatory ventilation (HFOV) in patients with congenital diaphragmatic hernia (CDH) were compared through a systematic review and meta-analysis. Outcome measures included mortality and incidence of chronic lung disease (CLD). Odds ratio (OR) and 95% confidence interval (95%CI) were evaluated. Subgroup analyses were performed according to the strategy for applying HFOV in CDH patients. Group A: CMV was initially applied in all CDH patients, and HFOV was applied in unstable patients. Group B: chronologically analyzed. (CMV and HFOV era) Group C: CMV or HFOV was used as the initial MV. Of the 2199 abstracts screened, 15 full-text articles were analyzed. Regarding mortality, 16.7% (365/2180) and 32.8% (456/1389) patients died in CMV and HFOV, respectively (OR, 2.53; 95%CI 2.12-3.01). Subgroup analyses showed significantly worse, better, and equivalent mortality for HFOV than that for CMV in group A, B, and C, respectively. CLD occurred in 32.4% (399/1230) and 49.3% (369/749) patients in CMV and HFOV, respectively (OR, 2.37; 95%CI 1.93-2.90). The evidence from the literature is poor. Mortality and the incidence of CLD appear worse after HFOV in children with CDH. Cautious interpretation is needed due to the heterogeneity of each study.
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Affiliation(s)
- Hee-Beom Yang
- Department of Surgery, Seoul National University Bundang Hospital, Seongnam, South Korea
- Department of Surgery, College of Medicine, Seoul National University, Seoul, South Korea
| | - Agostino Pierro
- Translational Medicine, Research Institute, Hospital for Sick Children, Toronto, Canada
- Division of General and Thoracic Surgery, The Hospital for Sick Children, Toronto, Canada
| | - Hyun-Young Kim
- Department of Surgery, College of Medicine, Seoul National University, Seoul, South Korea.
- Department of Pediatric Surgery, Seoul National University Children's Hospital, Seoul, South Korea.
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14
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Jung YS, Kim S, Kim HY, Noh SJ, Park JH, Sohn CI, Park CH. Efficacy and Tolerability of 14-Day Tegoprazan- versus Rabeprazole-Based Triple Therapy for Eradication of Helicobacter pylori: A Real-World Evidence Study. Gut Liver 2023; 17:711-721. [PMID: 36510776 PMCID: PMC10502490 DOI: 10.5009/gnl220218] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/26/2022] [Revised: 08/08/2022] [Accepted: 08/18/2022] [Indexed: 12/15/2022] Open
Abstract
Background/Aims Tegoprazan, a new, fast, and strong potassium-competitive acid blocker, has been approved for the treatment of gastric acid-related diseases in Korea. However, real-world clinical data regarding this drug are scarce. We aimed to compare the Helicobacter pylori eradication rates of tegoprazan- and rabeprazole-based triple therapy. Methods We retrospectively reviewed data from patients who received first-line treatment for H. pylori infection using tegoprazan- or rabeprazole-based triple therapy for 2 weeks (50 mg tegoprazan or 20 mg rabeprazole+1,000 mg amoxicillin+500 mg clarithromycin twice daily). The primary endpoint was the eradication rate as determined by intention-to-treat analysis. Results Of the 677 patients included in our study, 344 and 333 received tegoprazan-based and rabeprazole-based triple therapy, respectively. The eradication rate from intention-to-treat analysis was 76.7% (95% confidence interval [CI], 72.1% to 81.0%) for tegoprazan-based triple therapy and 75.4% (95% CI, 70.5% to 79.8%) for rabeprazole-based triple therapy. There was no significant difference in the eradication rates between the two groups (p>0.999). Per-protocol analysis also revealed no significant difference between the eradication rates of the two groups (tegoprazan 83.4% [95% CI, 79.0% to 87.2%] vs rabeprazole 83.5% [79.0% to 87.4%], p>0.999). Furthermore, there was no significant difference in adverse event rates between the two groups (tegoprazan, 27.6%; rabeprazole, 25.8%; p=0.604). Conclusions The eradication rate of tegoprazan-based triple therapy was similar to that of rabeprazole-based triple therapy. Further studies on the dose-escalation effect of tegoprazan for H. pylori eradication and the efficacy of tegoprazan in regimens other than conventional triple therapy are needed.
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Affiliation(s)
- Yoon Suk Jung
- Division of Gastroenterology, Department of Internal Medicine and
| | - Sunyong Kim
- Preventive Healthcare Center, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, Seoul, and
| | - Hyun-Young Kim
- Preventive Healthcare Center, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, Seoul, and
| | - Seung Jae Noh
- Department of Internal Medicine, Hanyang University Guri Hospital, Hanyang University College of Medicine, Guri, Korea
| | - Jung Ho Park
- Division of Gastroenterology, Department of Internal Medicine and
| | - Chong Il Sohn
- Division of Gastroenterology, Department of Internal Medicine and
| | - Chan Hyuk Park
- Department of Internal Medicine, Hanyang University Guri Hospital, Hanyang University College of Medicine, Guri, Korea
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15
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Yeom GE, Lim SH, Kim JH, Ahn YH, Kim H, Ha J, Kim HY, Kang HG. Gastrointestinal involvement of passenger lymphocyte syndrome followed by minor ABO-incompatible renal transplantation: A case report. Pediatr Transplant 2023; 27:e14556. [PMID: 37300335 DOI: 10.1111/petr.14556] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/28/2022] [Revised: 05/02/2023] [Accepted: 05/22/2023] [Indexed: 06/12/2023]
Abstract
BACKGROUND People with group O blood are considered universal organ donors compatible with any other blood group. However, in the case of minor ABO-incompatible transplantation, immune-mediated hemolysis may occur due to concomitant transfer of donor B lymphocytes together with the allograft. These passenger lymphocytes can produce antibodies in the recipients erythrocytes, causing hemolytic anemia known as passenger lymphocyte syndrome (PLS). METHODS A retrospective chart review was performed. RESULTS A 6-year-old boy (A+) underwent transplantation of a kidney from his father (O+). On postoperative day (POD) 6, the patient developed fever with no explainable causes. On POD 11, he presented with abdominal pain, hematochezia, and severe diarrhea, with sudden hemolytic anemia. Since then, GI symptoms have continued. On POD 20, direct antiglobulin test (DAT) was positive, and the anti-A IgM/G titer was 2/32. The results of the anti-A antibody elution test were strongly positive (3+). These findings highly suggested PLS. On the same day, the GI symptoms suddenly worsened, and laboratory findings showed hemolysis and thrombocytopenia with disseminated intravascular coagulation (DIC). Abdominal computed tomography (CT) scans suggested ischemic colitis of venous origin, and the patient underwent segmental colectomy with ileostomy formation on POD 23. To remove the anti-A antibodies, the patient underwent therapeutic plasma exchange (TPE) five times until the DAT and anti-A elution test were negative. CONCLUSIONS We report a case of gastrointestinal involvement of PLS that occurred after minor ABO-incompatible kidney transplantation. This is the first report of ischemic colitis as an atypical manifestation of PLS.
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Affiliation(s)
- Gyeong Eun Yeom
- Departments of Pediatrics, Seoul National University Children's Hospital, Seoul, South Korea
| | - Seon Hee Lim
- Department of Pediatrics, Pusan National University Children's Hospital and School of Medicine, Yangsan, Republic of Korea
| | - Ji Hyun Kim
- Departments of Pediatrics, Seoul National University Bundang Hospital, Seongnam-si, South Korea
| | - Yo Han Ahn
- Departments of Pediatrics, Seoul National University Children's Hospital, Seoul, South Korea
| | - Hyungsuk Kim
- Department of Laboratory Medicine, Seoul National University Hospital, Seoul, South Korea
| | - Jongwon Ha
- The Transplantation Research Institute, Seoul National University College of Medicine, Seoul, South Korea
| | - Hyun-Young Kim
- Department of Pediatric Surgery, Seoul National University Children's Hospital, Seoul, South Korea
| | - Hee Gyung Kang
- Departments of Pediatrics, Seoul National University Children's Hospital, Seoul, South Korea
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16
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Yang HB, Kim HY, Kim SH, Kim SY. Suppressive role of vascular endothelial growth factor on intestinal apoptosis in induced necrotizing enterocolitis in rats. Ann Surg Treat Res 2023; 105:157-164. [PMID: 37693290 PMCID: PMC10485351 DOI: 10.4174/astr.2023.105.3.157] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2023] [Revised: 07/13/2023] [Accepted: 07/19/2023] [Indexed: 09/12/2023] Open
Abstract
Purpose Necrotizing enterocolitis (NEC) is a devastating disease that can cause mortality in preterm babies. NEC may develop through an apoptotic pathway that is known to be inhibited by vascular endothelial growth factor (VEGF). This study determined whether VEGF exerted a protective effect against the development of NEC and apoptosis in rats. Methods To determine the effect of VEGF in NEC rats, neonatal rats were randomized into 4 groups: the control group, the NEC group, the NEC + intraperitoneal VEGF (50 ng/kg) group (NEC + VEGF IP group), and the NEC + oral VEGF (50 ng/kg) group (NEC + VEGF OR group). NEC was induced by lipopolysaccharide/hypoxia and cold stress. The animals were sacrificed 72 hours later. After laparotomy, we obtained a region of the proximal small bowel from the ileocecal valve about 18 cm in length. Results The NEC histological grade, apoptosis histological score, and caspase-3 activity were lower in the NEC + VEGF IP and OR groups than in the NEC group. In the NEC + VEGF IP and OR groups, the messenger RNA expression of apoptotic and inflammatory genes, such as Bax, NF-κB, p53, Fas, FasL, and PAF-R, but not that of Bcl-2, was decreased, as was the Bax/Bcl-2 protein ratio. Histological analysis revealed that the apoptosis-blocking effect of VEGF was more effective in the NEC + VEGF IP group than in the NEC + VEGF OR group. Conclusion We identified apoptotic and inflammatory genes to confirm the preventive effect of VEGF pretreatment on NEC in rats. This study presents a novel approach to prevent apoptosis via VEGF pretreatment in rats with lipopolysaccharide/hypoxia-induced NEC.
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Affiliation(s)
- Hee-Beom Yang
- Department of Surgery, Seoul National University Bundang Hospital, Seongnam, Korea
- Department of Surgery, Seoul National University College of Medicine, Seoul, Korea
| | - Hyun-Young Kim
- Department of Surgery, Seoul National University College of Medicine, Seoul, Korea
- Department of Pediatric Surgery, Seoul National University Children’s Hospital, Seoul, Korea
| | - Soo-Hong Kim
- Division of Pediatric Surgery, Department of Surgery, Pusan National University Yangsan Hospital and Pusan National University Children’s Hospital, Yangsan, Korea
| | - So-young Kim
- Biomedical Science Institute, Chonnam National University Hwasun Hospital, Hwasun, Korea
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17
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Heo ML, Jang YM, Kim HY. Development and Validation of a Scale Measuring the Post Pandemic-Health Promotion Behavior (PP-HPB) of Young Adults in the Digital Era. J Multidiscip Healthc 2023; 16:2449-2462. [PMID: 37649872 PMCID: PMC10464899 DOI: 10.2147/jmdh.s421060] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2023] [Accepted: 08/15/2023] [Indexed: 09/01/2023] Open
Abstract
Purpose This study aims to develop and validate a health promotion behavior scale that reflects the lifestyle changes driven by the COVID-19 pandemic and the increased use of digital devices among young adults. Methods Questions were selected using a literature review and validated by a group of experts. The sample consisted of 446 young adults aged 19-29 years living in South Korea who agreed to participate in the study and were surveyed online using Google Forms on September 19 and 20, 2022. Construct validity was confirmed by exploratory and confirmatory factor analyses; reliability was tested using Cronbach's α, and interrater validity was confirmed with the Health Promoting Lifestyle II (HPLP-II) instrument. Results After conducting an item analysis of 49 preliminary items and an exploratory factor analysis, six factors and 27 items were selected. The six factors were named psychosocial health, personal hygiene, dietary habits, health care, using mobile devices, and physical activity. The confirmatory factor analysis verified the model fit, convergent validity, and discriminant validity. The correlation coefficient with the Health Promoting Lifestyle II (HPLP-II) instrument was 0.69, confirming criterion validity, and the reliability of the final instrument was high (Cronbach's α = 0.90). Conclusion The validity and reliability of the developed scale were confirmed. The scale can be used to measure the health promotion behavior of young adults in light of the lifestyle changes driven by the COVID-19 pandemic and the increased use of digital devices. We hope that future studies will use the tool as a basis for improving the health promotion behavior of young adults.
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Affiliation(s)
- Myoung-Lyun Heo
- Department of Nursing, Jeonju University, Jeonju-si, 55069, Republic of Korea
| | - Yang-Min Jang
- Department of Nursing, Shinsung University, Dangjin-si, 31801, Republic of Korea
| | - Hyun-Young Kim
- Department of Nursing, Jeonju University, Jeonju-si, 55069, Republic of Korea
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18
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Singh KP, Carvalho ACC, Centis R, D Ambrosio L, Migliori GB, Mpagama SG, Nguyen BC, Aarnoutse RE, Aleksa A, van Altena R, Bhavani PK, Bolhuis MS, Borisov S, van T Boveneind-Vrubleuskaya N, Bruchfeld J, Caminero JA, Carvalho I, Cho JG, Davies Forsman L, Dedicoat M, Dheda K, Dooley K, Furin J, García-García JM, Garcia-Prats A, Hesseling AC, Heysell SK, Hu Y, Kim HY, Manga S, Marais BJ, Margineanu I, Märtson AG, Munoz Torrico M, Nataprawira HM, Nunes E, Ong CWM, Otto-Knapp R, Palmero DJ, Peloquin CA, Rendon A, Rossato Silva D, Ruslami R, Saktiawati AMI, Santoso P, Schaaf HS, Seaworth B, Simonsson USH, Singla R, Skrahina A, Solovic I, Srivastava S, Stocker SL, Sturkenboom MGG, Svensson EM, Tadolini M, Thomas TA, Tiberi S, Trubiano J, Udwadia ZF, Verhage AR, Vu DH, Akkerman OW, Alffenaar JWC, Denholm JT. Clinical standards for the management of adverse effects during treatment for TB. Int J Tuberc Lung Dis 2023; 27:506-519. [PMID: 37353868 PMCID: PMC10321364 DOI: 10.5588/ijtld.23.0078] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2023] [Accepted: 02/23/2023] [Indexed: 06/25/2023] Open
Abstract
BACKGROUND: Adverse effects (AE) to TB treatment cause morbidity, mortality and treatment interruption. The aim of these clinical standards is to encourage best practise for the diagnosis and management of AE.METHODS: 65/81 invited experts participated in a Delphi process using a 5-point Likert scale to score draft standards.RESULTS: We identified eight clinical standards. Each person commencing treatment for TB should: Standard 1, be counselled regarding AE before and during treatment; Standard 2, be evaluated for factors that might increase AE risk with regular review to actively identify and manage these; Standard 3, when AE occur, carefully assessed and possible allergic or hypersensitivity reactions considered; Standard 4, receive appropriate care to minimise morbidity and mortality associated with AE; Standard 5, be restarted on TB drugs after a serious AE according to a standardised protocol that includes active drug safety monitoring. In addition: Standard 6, healthcare workers should be trained on AE including how to counsel people undertaking TB treatment, as well as active AE monitoring and management; Standard 7, there should be active AE monitoring and reporting for all new TB drugs and regimens; and Standard 8, knowledge gaps identified from active AE monitoring should be systematically addressed through clinical research.CONCLUSION: These standards provide a person-centred, consensus-based approach to minimise the impact of AE during TB treatment.
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Affiliation(s)
- K P Singh
- Department of Infectious diseases, University of Melbourne, at the Peter Doherty Institute for Infection and Immunity, Melbourne, VIC, Australia, Victorian Infectious Disease Unit, Royal Melbourne Hospital, VIC, Australia
| | - A C C Carvalho
- Laboratório de Inovações em Terapias, Ensino e Bioprodutos (LITEB), Instituto Oswaldo Cruz, Fundação Oswaldo Cruz, Rio de Janeiro, RJ, Brazil
| | - R Centis
- Servizio di Epidemiologia Clinica delle Malattie Respiratorie, Istituti Clinici Scientifici Maugeri Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS), Tradate, Italy
| | - L D Ambrosio
- Public Health Consulting Group, Lugano, Switzerland
| | - G B Migliori
- Servizio di Epidemiologia Clinica delle Malattie Respiratorie, Istituti Clinici Scientifici Maugeri Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS), Tradate, Italy
| | - S G Mpagama
- Kilimanjaro Christian Medical University College, Moshi, United Republic of Tanzania, Kibong´oto Infectious Diseases Hospital, Sanya Juu, Siha, Kilimanjaro, United Republic of Tanzania
| | - B C Nguyen
- Woolcock Institute of Medical Research, Viet Nam and University of Sydney, NSW, Australia
| | - R E Aarnoutse
- Department of Pharmacy, Research Institute for Medical Innovation, Radboud University Medical Center, Nijmegen, The Netherlands
| | - A Aleksa
- Grodno State Medical University, Grodno, Belarus
| | - R van Altena
- Asian Harm Reduction Network (AHRN) and Medical Action Myanmar (MAM), Yangon, Myanmar
| | - P K Bhavani
- Indian Council of Medical Research-National Institute for Research in Tuberculosis, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands
| | - M S Bolhuis
- Department of Clinical Pharmacy and Pharmacology, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands
| | - S Borisov
- Moscow Research and Clinical Center for Tuberculosis Control, Moscow, Russia
| | - N van T Boveneind-Vrubleuskaya
- Department of Clinical Pharmacy and Pharmacology, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands, Department of Public Health TB Control, Metropolitan Public Health Services, The Hague, The Netherlands
| | - J Bruchfeld
- Departement of Medicine Solna, Division of Infectious Diseases, Karolinska Institutet, Stokholm, Sweden, Departement of Infectious Diseases, Karolinska University Hospital, Stockholm, Sweden
| | - J A Caminero
- Department of Pneumology. University General Hospital of Gran Canaria "Dr Negrin", Las Palmas, Spain, ALOSA (Active Learning over Sanitary Aspects) TB Academy, Spain
| | - I Carvalho
- Paediatric Department, Vila Nova de Gaia Hospital Centre, Vila Nova de Gaia Outpatient Tuberculosis Centre, Vila Nova de Gaia, Portugal
| | - J G Cho
- Sydney Infecious Diseases Institute (Sydney ID), The University of Sydney, Sydney, NSW, Australia, Westmead Hospital, Sydney, NSW, Australia, Parramatta Chest Clinic, Parramatta, NSW, Australia
| | - L Davies Forsman
- Departement of Medicine Solna, Division of Infectious Diseases, Karolinska Institutet, Stokholm, Sweden, Departement of Infectious Diseases, Karolinska University Hospital, Stockholm, Sweden, School of Pharmacy, Faculty of Medicine and Health, The University of Sydney, Sydney, NSW, Australia
| | - M Dedicoat
- Department of Infectious Diseases, Heartlands Hospital, University Hospitals Birmingham NHS Foundation Trust, Birmingham, UK
| | - K Dheda
- Centre for Lung Infection and Immunity Unit, Department of Medicine, Division of Pulmonology and UCT Lung Institute, University of Cape Town, Cape Town, South Africa, South African Medical Research Council Centre for the Study of Antimicrobial Resistance, University of Cape Town, Cape Town, South Africa, Faculty of Infectious and Tropical Diseases, London School of Hygiene & Tropical Medicine, London, UK
| | - K Dooley
- Division of Infectious Diseases, Department of Medicine, Vanderbilt University Medical Center, Nashville, TN, USA
| | - J Furin
- Department of Global Health and Social Medicine, Harvard Medical School, Boston, MA, USA
| | - J M García-García
- Tuberculosis Research Programme, SEPAR (Sociedad Española de Neumología y Cirugía Torácica), Barcelona, Spain
| | - A Garcia-Prats
- Desmond Tutu TB Centre, Department of Paediatrics and Child Health, Stellenbosch University, Tygerberg, South Africa, Department of Pediatrics, University of Wisconsin, Madison, WI, USA
| | - A C Hesseling
- Desmond Tutu TB Centre, Department of Paediatrics and Child Health, Stellenbosch University, Tygerberg, South Africa
| | - S K Heysell
- Division of Infectious Diseases and International Health, University of Virginia, Charlottesville, VA, USA
| | - Y Hu
- Department of Epidemiology, School of Public Health and Key Laboratory of Public Health Safety, Fudan University, Shanghai, China
| | - H Y Kim
- Sydney Infecious Diseases Institute (Sydney ID), The University of Sydney, Sydney, NSW, Australia, Westmead Hospital, Sydney, NSW, Australia, School of Pharmacy, Faculty of Medicine and Health, The University of Sydney, Sydney, NSW, Australia
| | - S Manga
- Tuberculosis Department Latin American Society of Thoracic Diseases, Lima, Peru
| | - B J Marais
- Sydney Infecious Diseases Institute (Sydney ID), The University of Sydney, Sydney, NSW, Australia, Department of Infectious Diseases and Microbiology, The Children´s Hospital at Westmead, Westmead, NSW, Australia
| | - I Margineanu
- Department of Clinical Pharmacy and Pharmacology, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands
| | - A-G Märtson
- Centre of Excellence in Infectious Diseases Research, Antimicrobial Pharmacodynamics and Therapeutics Group, Department of Pharmacology and Therapeutics, University of Liverpool, Liverpool, UK
| | - M Munoz Torrico
- Clínica de Tuberculosis, Instituto Nacional de Enfermedades Respiratorias, México City, Mexico
| | - H M Nataprawira
- Division of Paediatric Respirology, Department of Child Health, Faculty of Medicine, Universitas Padjadjaran, Hasan Sadikin Hospital, Bandung, Indonesia
| | - E Nunes
- Department of Pulmonology of Central Hospital of Maputo, Maputo, Mozambique, Faculty of Medicine of Eduardo Mondlane University, Maputo, Mozambique
| | - C W M Ong
- Infectious Disease Translational Research Programme, Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Servizio di Epidemiologia Clinica delle Malattie Respiratorie, Istituti Clinici Scientifici Maugeri Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS), Tradate, Italy, Division of Infectious Diseases, Department of Medicine, National University Hospital, Singapore
| | - R Otto-Knapp
- German Central Committee Against Tuberculosis (DZK), Berlin, Germany
| | - D J Palmero
- Hospital Muniz and Instituto Vaccarezza, Buenos Aires, Argentina
| | - C A Peloquin
- Infectious Disease Pharmacokinetics Laboratory, College of Pharmacy and Emerging Pathogens Institute, University of Florida, Gainesville, FL, USA
| | - A Rendon
- Universidad Autonoma de Nuevo Leon, Facultad de Medicina, Neumología, CIPTIR, Monterrey, Mexico
| | - D Rossato Silva
- Faculdade de Medicina, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil
| | - R Ruslami
- TB/HIV Research Centre, Faculty of Medicine, Universitas Padjadjaran, Bandung, Indonesia, Department of Biomedical Sciences, Division of Pharmacology and Therapy, Faculty of Medicine, Universitas Padjadjaran, Bandung, Indonesia
| | - A M I Saktiawati
- Department of Internal Medicine, Faculty of Medicine, Public Health, and Nursing, Universitas Gadjah Mada, Yogyakarta, Indonesia, Centre for Tropical Medicine, Faculty of Medicine, Public Health and Nursing, Universitas Gadjah Mada, Yogyakarta, Indonesia
| | - P Santoso
- Division of Respirology and Critical Care, Department of Internal Medicine, Faculty of Medicine, Universitas Padjadjaran/Hasan Sadikin General Hospital, Bandung, Indonesia
| | - H S Schaaf
- Desmond Tutu TB Centre, Department of Paediatrics and Child Health, Stellenbosch University, Tygerberg, South Africa
| | - B Seaworth
- University of Texas Health Science Center at Tyler, Tyler, TX, USA
| | - U S H Simonsson
- Department of Pharmaceutical Biosciences, Uppsala University, Uppsala, Sweden
| | - R Singla
- Department of TB & Respiratory Diseases, National Institute of TB & Respiratory Diseases, New Delhi, India
| | - A Skrahina
- Republican Research and Practical Centre for Pulmonology and Tuberculosis, Minsk, Belarus
| | - I Solovic
- National Institute of Tuberculosis, Lung Diseases and Thoracic Surgery, Faculty of Health, Catholic University, Ružomberok, Vyšné Hágy, Slovakia
| | - S Srivastava
- University of Texas Health Science Center at Tyler, Tyler, TX, USA, Department of Medicine, The University of Texas at Tyler School of Medicine, TX, USA, Department of Pharmacy Practice, Texas Tech University Health Science Center, Dallas, TX, USA
| | - S L Stocker
- School of Pharmacy, Faculty of Medicine and Health, The University of Sydney, Sydney, NSW, Australia, Department of Clinical Pharmacology and Toxicology, St Vincent´s Hospital, Sydney, NSW, Australia
| | - M G G Sturkenboom
- Department of Clinical Pharmacy and Pharmacology, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands
| | - E M Svensson
- Department of Pharmacy, Research Institute for Medical Innovation, Radboud University Medical Center, Nijmegen, The Netherlands, Department of Pharmacy, Uppsala University, Uppsala, Sweden
| | - M Tadolini
- Infectious Diseases Unit, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Policlinico di Sant´Orsola, Bologna, Italy, Department of Medical and Surgical Sciences, Alma Mater Studiorum University of Bologna, Bologna, Italy
| | - T A Thomas
- Division of Infectious Diseases and International Health, University of Virginia, Charlottesville, VA, USA
| | - S Tiberi
- Blizard Institute, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, London, UK
| | - J Trubiano
- Department of Infectious diseases, University of Melbourne, at the Peter Doherty Institute for Infection and Immunity, Melbourne, VIC, Australia, Department of Infectious Diseases, Austin Hospital, Melbourne, VIC, Australia
| | - Z F Udwadia
- P. D. Hinduja National Hospital and Medical Research Centre, Mumbai, India
| | - A R Verhage
- Department of Paediatrics, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands
| | - D H Vu
- National Drug Information and Adverse Drug Reaction Monitoring Centre, Hanoi University of Pharmacy, Hanoi, Vietnam
| | - O W Akkerman
- Department of Pulmonary Diseases and Tuberculosis, Groningen, Haren, the Netherlands, Tuberculosis Center Beatrixoord, University Medical Center Groningen, University of Groningen, Haren, the Netherlands
| | - J W C Alffenaar
- Sydney Infecious Diseases Institute (Sydney ID), The University of Sydney, Sydney, NSW, Australia, Westmead Hospital, Sydney, NSW, Australia, School of Pharmacy, Faculty of Medicine and Health, The University of Sydney, Sydney, NSW, Australia
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19
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Youn JK, Park HS, Ko D, Yang HB, Kim HY, Yoon HB. Application of additional three-dimensional materials for education in pediatric anatomy. Sci Rep 2023; 13:9973. [PMID: 37340064 DOI: 10.1038/s41598-023-36912-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2023] [Accepted: 06/12/2023] [Indexed: 06/22/2023] Open
Abstract
We conducted this study to investigate the effects of additional education using 3D visualization (3DV) and 3D printing (3DP) after applying 2D images for anatomical education in normal pediatric structures and congenital anomalies. For the production of 3DV and 3DP of the anatomical structures, computed tomography (CT) images of the four topics (the normal upper/lower abdomen, choledochal cyst, and imperforate anus) were used. Anatomical self-education and tests were administered to a total of 15 third-year medical students with these modules. Following the tests, surveys were conducted in order to evaluate satisfaction from students. In all four topics, there were significant increases in the test results with additional education with 3DV after initial self-study with CT (P < 0.05). The difference in scores was highest for the imperforate anus when 3DV supplemented the self-education. In the survey on the teaching modules, the overall satisfaction scores for 3DV and 3DP were 4.3 and 4.0 out of 5, respectively. When 3DV was added to pediatric abdominal anatomical education, we found an enhancement in understanding of normal structures and congenital anomalies. We can expect the application of 3D materials to become more widely used in anatomical education in various fields.
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Affiliation(s)
- Joong Kee Youn
- Department of Pediatric Surgery, Seoul National University Hospital, Seoul, Korea
- Department of Pediatric Surgery, Seoul National University College of Medicine, 101 Daehak-Ro, Jongro-Gu, Seoul, 03080, Korea
| | - Han Sang Park
- Department of Pediatric Surgery, Seoul National University Hospital, Seoul, Korea
| | - Dayoung Ko
- Department of Pediatric Surgery, Seoul National University Hospital, Seoul, Korea
| | - Hee-Beom Yang
- Department of Surgery, Seoul National University Bundang Hospital, Seongnam, Gyounggi, Korea
| | - Hyun-Young Kim
- Department of Pediatric Surgery, Seoul National University Hospital, Seoul, Korea.
- Department of Pediatric Surgery, Seoul National University College of Medicine, 101 Daehak-Ro, Jongro-Gu, Seoul, 03080, Korea.
| | - Hyun Bae Yoon
- Office of Medical Education, Seoul National University College of Medicine, Seoul, Korea
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20
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Baek JY, Kim BH, Kim DW, Lee WY, Kim CE, Kim HY, Pyo J, Park ES, Kang KS. Hair Growth Effect of DN106212 in C57BL/6 Mouse and Its Network Pharmacological Mechanism of Action. Curr Issues Mol Biol 2023; 45:5071-5083. [PMID: 37367071 DOI: 10.3390/cimb45060322] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2023] [Revised: 05/30/2023] [Accepted: 06/06/2023] [Indexed: 06/28/2023] Open
Abstract
Centipeda minima (CMX) has been widely investigated using network pharmacology and clinical studies for its effects on hair growth via the JAK/STAT signaling pathway. Human hair follicle papilla cells exhibit hair regrowth through the expression of Wnt signaling-related proteins. However, the mechanism of action of CMX in animals has not been elucidated fully. This study examined the effect of induced hair loss and its side-effects on the skin, and observed the mechanism of action of an alcoholic extract of CMX (DN106212) on C57BL/6 mice. Our results showed that DN106212 was more effective in promoting hair growth than dimethyl sulfoxide in the negative control and tofacitinib (TF) in the positive control when mice were treated with DN106212 for 16 days. We confirmed that DN106212 promotes the formation of mature hair follicles through hematoxylin and eosin staining. We also found that the expression of vascular endothelial growth factor (Vegfa), insulin-like growth factor 1 (Igf1), and transforming growth factor beta 1 (Tgfb1) is related to hair growth using PCR. DN106212-treated mice had significantly higher expression of Vegfa and Igf1 than TF-treated ones, and inhibiting the expression of Tgfb1 had similar effects as TF treatment. In conclusion, we propose that DN106212 increases the expression of hair growth factors, promotes the development of hair follicles, and promotes hair growth. Although additional experiments are needed, DN106212 may serve as an experimental basis for research on natural hair growth-promoting agents.
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Affiliation(s)
- Ji Yun Baek
- College of Korean Medicine, Gachon University, Seongnam 13120, Republic of Korea
| | - Byoung Ha Kim
- School of Pharmacy, Sungkyunkwan University, Suwon 16419, Republic of Korea
| | - Dong-Wook Kim
- College of Pharmacy, Wonkwang University, Iksan 54538, Republic of Korea
| | - Won-Yung Lee
- College of Korean Medicine, Gachon University, Seongnam 13120, Republic of Korea
| | - Chang Eop Kim
- College of Korean Medicine, Gachon University, Seongnam 13120, Republic of Korea
| | - Hyun-Young Kim
- Department of Food Science, Gyeongnam National University of Science and Technology, Jinju 52725, Republic of Korea
| | - Jaesung Pyo
- College of Pharmacy, Kyungsung University, Busan 48434, Republic of Korea
| | - Eun-Seok Park
- School of Pharmacy, Sungkyunkwan University, Suwon 16419, Republic of Korea
| | - Ki Sung Kang
- College of Korean Medicine, Gachon University, Seongnam 13120, Republic of Korea
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21
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Park MS, Kim HY, Lee JJ, Cho D, Jung CW, Kim HJ, Kim SH. The First Case of Acute Myeloid Leukemia With t(10;11)(p13;q21); PICALM-MLLT10 Rearrangement Presenting With Extensive Skin Involvement. Ann Lab Med 2023; 43:310-314. [PMID: 36544346 DOI: 10.3343/alm.2023.43.3.310] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2022] [Revised: 09/14/2022] [Accepted: 10/29/2022] [Indexed: 12/24/2022] Open
Affiliation(s)
- Min-Seung Park
- Department of Laboratory Medicine and Genetics, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Hyun-Young Kim
- Department of Laboratory Medicine and Genetics, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Jae Joon Lee
- Department of Laboratory Medicine and Genetics, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Duck Cho
- Department of Laboratory Medicine and Genetics, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Chul Won Jung
- Division of Hematology-Oncology, Department of Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Hee-Jin Kim
- Department of Laboratory Medicine and Genetics, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Sun-Hee Kim
- Department of Laboratory Medicine and Genetics, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
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22
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Baek J, Kim Y, Kim HY. Associations Between Fall Risk and Handgrip Strength Asymmetry Among Older Korean Women: A Cross-Sectional Study Using National Survey Data. Asia Pac J Public Health 2023; 35:297-300. [PMID: 37076999 DOI: 10.1177/10105395231167487] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/21/2023]
Affiliation(s)
- Jihyun Baek
- Research Institute of Nursing Science, College of Nursing, Jeonbuk National University, Jeonju-si, Republic of Korea
| | - Yunmi Kim
- College of Nursing, Eulji University, Seongnam-si, Republic of Korea
| | - Hyun-Young Kim
- Department of Nursing, Jeonju University, Jeonju-si, Republic of Korea
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23
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Suh E, Shin S, Ju HY, Yoo KH, Kim HY, Cho D, Kim SH, Kim HJ. The First Case of Acute Myeloid Leukemia With Underlying Fanconi Anemia due to FANCF Variants in Korea. Ann Lab Med 2023; 43:204-207. [PMID: 36281516 PMCID: PMC9618904 DOI: 10.3343/alm.2023.43.2.204] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2022] [Revised: 07/19/2022] [Accepted: 09/11/2022] [Indexed: 11/06/2022] Open
Affiliation(s)
- Eunsang Suh
- Department of Laboratory Medicine and Genetics, Samsung Medical Center, Seoul, Korea
| | - Sunghwan Shin
- Department of Laboratory Medicine and Genetics, Samsung Medical Center, Seoul, Korea
| | - Hee Young Ju
- Department of Pediatrics, Samsung Medical Center, Seoul, Korea
| | - Keon Hee Yoo
- Department of Pediatrics, Samsung Medical Center, Seoul, Korea
| | - Hyun-Young Kim
- Department of Laboratory Medicine and Genetics, Samsung Medical Center, Seoul, Korea
| | - Duck Cho
- Department of Laboratory Medicine and Genetics, Samsung Medical Center, Seoul, Korea
| | - Sun-Hee Kim
- Department of Laboratory Medicine and Genetics, Samsung Medical Center, Seoul, Korea
| | - Hee-Jin Kim
- Department of Laboratory Medicine and Genetics, Samsung Medical Center, Seoul, Korea,Corresponding author: Hee-Jin Kim, M.D., Ph.D. Department of Laboratory Medicine and Genetics, Samsung Medical Center, Sungkyunkwan University School of Medicine, 81 Irwon-ro, Gangnam-gu, Seoul 06351, Korea Tel: +82-2-3410-2710, Fax: +82-2-3410-2719, E-mail:
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24
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Kim JJ, Kim HY, Choi Z, Hwang SY, Jeong H, Choi JR, Yoon SE, Kim WS, Kim SH, Kim HJ, Shin SY, Lee ST, Kim SJ. In-depth circulating tumor DNA sequencing for prognostication and monitoring in natural killer/T-cell lymphomas. Front Oncol 2023; 13:1109715. [PMID: 36845680 PMCID: PMC9954142 DOI: 10.3389/fonc.2023.1109715] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2022] [Accepted: 01/24/2023] [Indexed: 02/12/2023] Open
Abstract
Background Epstein-Barr virus (EBV) quantitation and current imaging modalities are used for diagnosis and disease monitoring in Extranodal NK/T cell lymphoma (ENKTL) but have limitations. Thus, we explored the utility of circulating tumor DNA (ctDNA) as a diagnostic biomarker. Methods Through in-depth sequencing of 118 blood samples collected longitudinally at different time points from 45 patients, we examined the mutational profile of each sample, estimated its impact on the clinical outcome, and assessed its role as a biomarker in comparison with EBV DNA quantitation. Results The ctDNA concentration was correlated with treatment response, stage, and EBV DNA quantitation. The detection rate of ctDNA mutation was 54.5%, with BCOR (21%) being the most commonly mutated gene in newly diagnosed patients; TP53 mutation (33%) was the most prevalent in patients that experienced a relapse. Additionally, patients in complete remission exhibited a rapid clearance of ENKTL-related somatic mutations, while relapsed patients frequently presented with persisting or emerging mutations. We detected ctDNA mutations in EBV-negative patients (50%) and mutation clearance in EBV-positive patients in remission, suggesting ctDNA genotyping as an efficient complementary monitoring method for ENKTL. Additionally, mutated DDX3X (PFS HR, 8.26) in initial samples predicted poor outcome. Conclusion Our results suggest that ctDNA analysis can be used to genotype at diagnosis and estimate the tumor burden in patients with ENKTL. Furthermore, ctDNA dynamics indicate the potential use of testing it to monitor therapeutic responses and develop new biomarkers for precision ENKTL therapy.
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Affiliation(s)
- Jin Ju Kim
- Department of Laboratory Medicine, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Hyun-Young Kim
- Department of Laboratory Medicine and Genetics, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea
| | - Zisun Choi
- Dxome Co. Ltd, 8, Seongnam-si, Gyeonggi-do, Republic of Korea
| | - So yoon Hwang
- Dxome Co. Ltd, 8, Seongnam-si, Gyeonggi-do, Republic of Korea
| | - Hansol Jeong
- Dxome Co. Ltd, 8, Seongnam-si, Gyeonggi-do, Republic of Korea
| | - Jong Rak Choi
- Department of Laboratory Medicine, Yonsei University College of Medicine, Seoul, Republic of Korea,Dxome Co. Ltd, 8, Seongnam-si, Gyeonggi-do, Republic of Korea
| | - Sang Eun Yoon
- Division of Haematology and Oncology, Department of Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea
| | - Won Seog Kim
- Division of Haematology and Oncology, Department of Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea,Department of Health Sciences and Technology, Samsung Advanced Institute for Health Sciences and Technology, Sungkyunkwan University, Seoul, Republic of Korea
| | - Sun-Hee Kim
- Department of Laboratory Medicine and Genetics, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea
| | - Hee-Jin Kim
- Department of Laboratory Medicine and Genetics, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea
| | - Sang-Yong Shin
- Department of Laboratory Medicine, Korea Worker’s Compensation & Welfare Service, Taebaek Hospital, Taebaek-si, Gangwon-do, Republic of Korea,*Correspondence: Sang-Yong Shin, ; Seung-Tae Lee, ; Seok Jin Kim,
| | - Seung-Tae Lee
- Department of Laboratory Medicine, Yonsei University College of Medicine, Seoul, Republic of Korea,Dxome Co. Ltd, 8, Seongnam-si, Gyeonggi-do, Republic of Korea,*Correspondence: Sang-Yong Shin, ; Seung-Tae Lee, ; Seok Jin Kim,
| | - Seok Jin Kim
- Division of Haematology and Oncology, Department of Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea,Department of Health Sciences and Technology, Samsung Advanced Institute for Health Sciences and Technology, Sungkyunkwan University, Seoul, Republic of Korea,*Correspondence: Sang-Yong Shin, ; Seung-Tae Lee, ; Seok Jin Kim,
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25
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Yang HB, Song HB, Han JW, Youn JK, Ko D, Ryu YJ, Kim JY, Kim HY. Clinical course in children with equivocal appendicitis on computed tomography: a retrospective cohort study. Ann Surg Treat Res 2023; 104:51-59. [PMID: 36685769 PMCID: PMC9830045 DOI: 10.4174/astr.2023.104.1.51] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2022] [Revised: 10/13/2022] [Accepted: 10/20/2022] [Indexed: 01/04/2023] Open
Abstract
Purpose Appendectomy is one of the most common surgeries in children. Although various radiological examinations are performed, they do not always reveal a definitive diagnosis of appendicitis. This study aimed to investigate the clinical course of equivocal appendicitis, identify the factors associated with appendectomy, and suggest appropriate management for these patients. Methods Patients younger than 19 years who visited Seoul National University Bundang Hospital with a differential diagnosis of appendicitis from January 2013 to December 2017 were included. All participants conducted 'appendiceal CT' with a scoring scale of 1-5. The higher the score, the higher the likelihood of a radiologic diagnosis of appendicitis. We defined the appendicitis CT score of 2-4 as equivocal appendicitis (n = 143). Medical records were reviewed retrospectively for demographics, further examination as abdominal ultrasonography, and appendectomy status (yes or no). The mean follow-up period was 15.6 ± 71 days. Results Equivocal appendicitis accounted for 16.7%. Additional ultrasonography test was performed in 24.5% (35 of 143). In total, 34 patients (23.8%) underwent appendectomy. Among the patients with appendiceal CT scores 2, 3, and 4, 4.9%, 50.0%, and 87.5% underwent appendectomy, respectively. Higher WBC count, higher appendicitis CT score, and readmission were significantly associated with appendectomy in patients with equivocal appendicitis. Conclusion Higher appendicitis CT score and WBC level were positively associated with appendectomy. Careful observation can be a treatment option in appendicitis CT score 2 or 3 groups. Appendectomy is the first-line treatment for patients with appendicitis score 4. Additional ultrasonography test is advisable to determine treatment modality for equivocal appendicitis.
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Affiliation(s)
- Hee-Beom Yang
- Department of Surgery, Seoul National University Bundang Hospital, Seongnam, Korea
| | - Han-Byol Song
- Department of Surgery, Seoul National University Bundang Hospital, Seongnam, Korea
| | - Ji-Won Han
- Department of Surgery, Ewha Womans University Seoul Hospital, Seoul, Korea
| | - Joong Kee Youn
- Department of Pediatric Surgery, Seoul National University Children’s Hospital, Seoul, Korea
| | - Dayoung Ko
- Department of Pediatric Surgery, Seoul National University Children’s Hospital, Seoul, Korea
| | - Young Jin Ryu
- Department of Radiology, Seoul National University Bundang Hospital, Seongnam, Korea
| | - Ji Young Kim
- Department of Radiology, Seoul National University Bundang Hospital, Seongnam, Korea
| | - Hyun-Young Kim
- Department of Pediatric Surgery, Seoul National University Children’s Hospital, Seoul, Korea.,Department of Surgery, College of Medicine, Seoul National University, Seoul, Korea
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26
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Kim SJ, Kim YJ, Yoon SE, Ryu KJ, Park B, Park D, Cho D, Kim HY, Cho J, Ko YH, Park WY, Kim WS. Circulating Tumor DNA-Based Genotyping and Monitoring for Predicting Disease Relapses of Patients with Peripheral T-Cell Lymphomas. Cancer Res Treat 2023; 55:291-303. [PMID: 35240014 PMCID: PMC9873338 DOI: 10.4143/crt.2022.017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2022] [Accepted: 02/23/2022] [Indexed: 02/04/2023] Open
Abstract
PURPOSE Plasma circulating tumor DNA (ctDNA) could reflect the genetic alterations present in tumor tissues. However, there is little information about the clinical relevance of cell-free DNA genotyping in peripheral T-cell lymphoma (PTCL). MATERIALS AND METHODS After targeted sequencing plasma cell-free DNA of patients with various subtypes of PTCL (n=94), we analyzed the mutation profiles of plasma ctDNA samples and their predictive value of dynamic ctDNA monitoring for treatment outcomes. RESULTS Plasma ctDNA mutations were detected in 53 patients (56%, 53/94), and the detection rate of somatic mutations was highest in angioimmunoblastic T-cell lymphoma (24/31, 77%) and PTCL, not otherwise specified (18/29, 62.1%). Somatic mutations were detected in 51 of 66 genes that were sequenced, including the following top 10 ranked genes: RHOA, CREBBP, KMT2D, TP53, IDH2, ALK, MEF2B, SOCS1, CARD11, and KRAS. In the longitudinal assessment of ctDNA mutation, the difference in ctDNA mutation volume after treatment showed a significant correlation with disease relapse or progression. Thus, a ≥ 1.5-log decrease in genome equivalent (GE) between baseline and the end of treatment showed a significant association with better survival outcomes than a < 1.5-log decrease in GE. CONCLUSION Our results suggest the clinical relevance of plasma ctDNA analysis in patients with PTCL. However, our findings should be validated by a subsequent study with a larger study population and using a broader gene panel.
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Affiliation(s)
- Seok Jin Kim
- Division of Hematology-Oncology, Department of Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul,
Korea,Department of Health Sciences and Technology, Samsung Advanced Institute for Health Sciences and Technology, Sungkyunkwan University School of Medicine, Seoul,
Korea
| | - Yeon Jeong Kim
- Samsung Genome Institute Samsung Medical Center, Seoul,
Korea
| | - Sang Eun Yoon
- Division of Hematology-Oncology, Department of Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul,
Korea
| | - Kyung Ju Ryu
- Department of Health Sciences and Technology, Samsung Advanced Institute for Health Sciences and Technology, Sungkyunkwan University School of Medicine, Seoul,
Korea
| | - Bon Park
- Department of Health Sciences and Technology, Samsung Advanced Institute for Health Sciences and Technology, Sungkyunkwan University School of Medicine, Seoul,
Korea
| | | | - Duck Cho
- Department of Laboratory Medicine and Genetics, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul,
Korea
| | - Hyun-Young Kim
- Department of Laboratory Medicine and Genetics, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul,
Korea
| | - Junhun Cho
- Department of Pathology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul,
Korea
| | - Young Hyeh Ko
- Department of Pathology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul,
Korea
| | - Woong-Yang Park
- Department of Health Sciences and Technology, Samsung Advanced Institute for Health Sciences and Technology, Sungkyunkwan University School of Medicine, Seoul,
Korea,Samsung Genome Institute Samsung Medical Center, Seoul,
Korea
| | - Won Seog Kim
- Division of Hematology-Oncology, Department of Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul,
Korea,Department of Health Sciences and Technology, Samsung Advanced Institute for Health Sciences and Technology, Sungkyunkwan University School of Medicine, Seoul,
Korea
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Pi Z, Kim HY, Goulielmakis E. Petahertz-scale spectral broadening and few-cycle compression of Yb:KGW laser pulses in a pressurized, gas-filled hollow-core fiber. Opt Lett 2022; 47:5865-5868. [PMID: 37219122 DOI: 10.1364/ol.474872] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/06/2022] [Accepted: 10/15/2022] [Indexed: 05/24/2023]
Abstract
We demonstrate efficient generation of coherent super-octave pulses via a single-stage spectral broadening of a Yb:KGW laser in a single, pressurized, Ne-filled, hollow-core fiber capillary. Emerging pulses spectrally spanning over more than 1 PHz (250-1600 nm) at a dynamic range of ∼60 dB, and an excellent beam quality open the door to combining Yb:KGW lasers with modern light-field synthesis techniques. Compression of a fraction of the generated supercontinuum to intense (8 fs, ∼2.4 cycle, ∼650 µJ) pulses allows convenient use of these novel laser sources in strong-field physics and attosecond science.
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28
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Kim HY, Han Y, Jang JH, Jung CW, Kim SH, Kim HJ. Effects of CALR-Mutant Type and Burden on the Phenotype of Myeloproliferative Neoplasms. Diagnostics (Basel) 2022; 12:2570. [PMID: 36359414 PMCID: PMC9689478 DOI: 10.3390/diagnostics12112570] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2022] [Revised: 10/19/2022] [Accepted: 10/20/2022] [Indexed: 08/13/2023] Open
Abstract
Somatic CALR mutations occur in approximately 70% of patients with JAK2 V617F-negative essential thrombocythemia (ET) and primary myelofibrosis (PMF). We evaluated the effects of the CALR mutant type and burden on the phenotype of CALR-mutated myeloproliferative neoplasms (MPN). Of the 510 patients with suspected or diagnosed MPN, all 49 patients detected with CALR mutations were diagnosed with ET (n = 32) or PMF (n = 17). The CALR mutant burden was significantly higher in PMF than in ET (45% vs. 34%), and type 1-like and type 2-like mutations were detected in 49% and 51% patients, respectively. Patients with MPN and type 2-like mutation showed a significantly higher median platelet count than those with type 1-like mutation. Particularly, patients with ET and type 2-like mutation had no thrombotic events, despite higher platelet counts. The effect of CALR mutant burden differed depending on the mutant type. A higher mutant burden tended to be associated with a cytopenic phenotype (i.e., lower hemoglobin levels and platelet counts) in patients with the type 1-like mutation and a proliferative hematological phenotype (i.e., higher platelet and neutrophil counts) in patients with the type 2-like mutation. This study suggests that the disease phenotype of MPN may be altered through CALR mutant burden and mutant type.
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Affiliation(s)
- Hyun-Young Kim
- Department of Laboratory Medicine and Genetics, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul 06351, Korea
| | - Yujin Han
- Department of Laboratory Medicine, Seegene Medical Foundation, Seoul 04805, Korea
| | - Jun Ho Jang
- Division of Hematology-Oncology, Department of Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul 06351, Korea
| | - Chul Won Jung
- Division of Hematology-Oncology, Department of Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul 06351, Korea
| | - Sun-Hee Kim
- Department of Laboratory Medicine and Genetics, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul 06351, Korea
| | - Hee-Jin Kim
- Department of Laboratory Medicine and Genetics, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul 06351, Korea
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Choi JH, Lee SH, Choi JM, Kim HY, Shin ES. Sex difference in 5-year relative survival following percutaneous coronary intervention. Eur Heart J 2022. [DOI: 10.1093/eurheartj/ehac544.1331] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Abstract
Background
Sex-specific survival following percutaneous coronary intervention (PCI) varies among studies. This might be clarified using relative survival, which adjusts observed survival in relation to that seen in sex- and age-matched general population. We investigated sex-specific relative survival after PCI.
Methods
A total of 48,783 patients were enrolled in the year 2011 Korean nationwide PCI cohort. Primary outcome was all-cause death. Observed and relative survival at 5 years conditional on surviving 0 days, 30 days, 1 year, and 2 years were assessed. Sex-specific differences in cardiovascular risk factors were adjusted via age-group stratified propensity score matching.
Results
In the unadjusted analyses, 15,710 female patients had a higher frequency of cardiovascular risk factors compared with 33,073 male patients. Both observed survival (hazard ratio [HR]=1.28, 95% confidence interval [CI]=1.22–1.34) and relative survival (HR=1.21, 95% CI: 1.16–1.27) were worse in female compared with male (p<0.001, all). In analyses of propensity score-matched 14,454 pairs, female showed a higher observed survival (HR=0.78, 95% CI: 0.74–0.82) but a lower relative survival (HR=1.19, 95% CI: 1.13–1.26) compared with male (p<0.001, all). Neither observed nor relative survival differed between female of age≤50s and age-matched male, but they were lower in female of age≥60s than age-matched male. These findings were consistent in further analyses conditional on surviving 30 days, 1 year, and 2 years.
Conclusions
The 5-year relative survival of female aged≥60 years adjusted by clinical risk factors was lower than that of age-matched male, which mandates the need for the excessive risk reduction in older female undergoing PCI.
Funding Acknowledgement
Type of funding sources: None.
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Affiliation(s)
- J H Choi
- Samsung Medical Center , Seoul , Korea (Republic of)
| | - S H Lee
- Samsung Medical Center , Seoul , Korea (Republic of)
| | - J M Choi
- Samsung Medical Center , Seoul , Korea (Republic of)
| | - H Y Kim
- Chonnam National University Hospital , Gwangju , Korea (Republic of)
| | - E S Shin
- Ulsan University Hospital , Ulsan , Korea (Republic of)
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30
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Jung YS, Kim S, Kim HY, Noh SJ, Park JH, Park CH. 7-day versus 14-day tegoprazan-based triple therapy to treat Helicobacter pylori infection: Real-world evidence. J Gastroenterol Hepatol 2022; 37:1911-1918. [PMID: 35816283 DOI: 10.1111/jgh.15939] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/26/2022] [Revised: 06/25/2022] [Accepted: 07/05/2022] [Indexed: 01/03/2023]
Abstract
BACKGROUND AND AIM Potassium-competitive acid blockers (P-CABs) can be used to eradicate Helicobacter pylori infection. We aimed to evaluate the impact of treatment duration (7 vs 14 days) on successful H. pylori eradication with P-CAB-based triple therapy in Korea, where clarithromycin resistance rate is high. METHODS We retrospectively reviewed the data of patients who received first-line treatment for H. pylori infection with tegoprazan-based triple therapy (50 mg tegoprazan + 1000 mg amoxicillin + 500 mg clarithromycin twice daily for 1 or 2 weeks). The primary endpoint was the eradication rate in intention-to-treat (ITT) analysis. RESULTS Of the 948 patients included in the study, 435 and 513 received 7-day and 14-day tegoprazan-based triple therapy, respectively. The eradication rate was higher in the 14-day therapy group than in the 7-day therapy group (ITT, 63.9%; 95% confidence interval [CI], 59.3-68.3%] vs 78.6% [95% CI, 74.9-81.9%], respectively, P < 0.001; per-protocol, 70.5% [95% CI, 65.8-74.8%] vs 85.1% [81.7-88.1%], respectively, P < 0.001). Overall adverse event rates did not differ between the two groups. Although six patients in the 14-day treatment group discontinued the prescribed medications due to adverse events, four of them (67%) discontinued the medication within 4 days. CONCLUSIONS The 14-day tegoprazan-based triple therapy showed a superior eradication rate and acceptable adverse events compared with the 7-day tegoprazan-based triple therapy. A 14-day treatment regimen may be required when H. pylori infection is treated with tegoprazan-based triple therapy in regions with high clarithromycin resistance.
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Affiliation(s)
- Yoon Suk Jung
- Division of Gastroenterology, Department of Internal Medicine, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea
| | - Sunyong Kim
- Preventive Healthcare Center, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea
| | - Hyun-Young Kim
- Preventive Healthcare Center, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea
| | - Seung Jae Noh
- Department of Internal Medicine, Hanyang University Guri Hospital, Hanyang University College of Medicine, Guri, Republic of Korea
| | - Jung Ho Park
- Division of Gastroenterology, Department of Internal Medicine, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea
| | - Chan Hyuk Park
- Department of Internal Medicine, Hanyang University Guri Hospital, Hanyang University College of Medicine, Guri, Republic of Korea
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31
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Kim HY, Yoo IY, Lim DJ, Kim HJ, Kim SH, Yoon SE, Kim SJ, Cho D, Kim K. Clinical Utility of Next-Generation Flow-Based Minimal Residual Disease Assessment in Patients with Multiple Myeloma. Ann Lab Med 2022; 42:558-565. [PMID: 35470273 PMCID: PMC9057816 DOI: 10.3343/alm.2022.42.5.558] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2021] [Revised: 11/15/2021] [Accepted: 04/06/2022] [Indexed: 11/19/2022] Open
Abstract
Background Minimal residual disease (MRD) is an important prognostic factor for evaluating a deeper treatment response in patients with multiple myeloma (MM). We evaluated the clinical utility of next-generation flow (NGF)-based MRD assessment in a heterogeneous MM patient population. Methods Patients with suspected morphological remission after or during MM treatment were prospectively enrolled. In total, 108 bone marrow samples from 90 patients were analyzed using NGF-based MRD assessment according to the EuroFlow protocol, and progression-free survival (PFS) was evaluated according to the International Myeloma Working Group response status, cytogenetic risk, and MRD status. Results The overall MRD-positive rate was 31.5% (34/108 samples), and MRD-positive patients showed a lower PFS than MRD-negative patients (P=0.005). MRD-positive patients showed inferior PFS than MRD-negative in patients with stringent complete remission (sCR)/complete remission (P=0.014) and high-risk cytogenetic abnormalities (P=0.016). MRD was assessed twice in 18 patients with a median interval of 12 months. Sustained MRD negativity was only observed in patients with sustained sCR, and their PFS was superior to that of patients who were not MRD-negative (P=0.035). Conclusions Clinical application of NGF-based MRD assessment can provide valuable information for predicting disease progression in patients with MM in remission, including those with high-risk cytogenetic abnormalities.
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Affiliation(s)
- Hyun-Young Kim
- Department of Laboratory Medicine and Genetics, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - In Young Yoo
- Department of Laboratory Medicine, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea
| | - Dae Jin Lim
- Department of Laboratory Medicine and Genetics, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea.,Department of Health and Safety Convergence Science, Korea University, Seoul, Korea
| | - Hee-Jin Kim
- Department of Laboratory Medicine and Genetics, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Sun-Hee Kim
- Department of Laboratory Medicine and Genetics, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Sang Eun Yoon
- Division of Hematology-Oncology, Department of Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Seok Jin Kim
- Division of Hematology-Oncology, Department of Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Duck Cho
- Department of Laboratory Medicine and Genetics, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea.,Department of Health Sciences and Technology, Samsung Advanced Institute for Health Sciences and Technology, Sungkyunkwan University, Seoul, Korea
| | - Kihyun Kim
- Division of Hematology-Oncology, Department of Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
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Phan MTT, Kim J, Koh SK, Lim Y, Yu H, Lee M, Lee JM, Kang ES, Kim HY, Kim SK, Hwang I, Cho D. Selective Expansion of NKG2C+ Adaptive NK Cells Using K562 Cells Expressing HLA-E. Int J Mol Sci 2022; 23:ijms23169426. [PMID: 36012691 PMCID: PMC9409060 DOI: 10.3390/ijms23169426] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2022] [Revised: 08/09/2022] [Accepted: 08/18/2022] [Indexed: 11/29/2022] Open
Abstract
Adaptive natural killer (NK) cells expressing self-specific inhibitory killer-cell immunoglobulin-like receptors (KIRs) can be expanded in vivo in response to human cytomegalovirus (HCMV) infection. Developing a method to preferentially expand this subset is essential for effective targeting of allogeneic cancer cells. A previous study developed an in vitro method to generate single KIR+ NK cells for enhanced targeting of the primary acute lymphoblastic leukemia cells; however, the expansion rate was quite low. Here, we present an effective expansion method using genetically modified K562-HLA-E feeder cells for long-term proliferation of adaptive NK cells displaying highly differentiated phenotype and comparable cytotoxicity, CD107a, and interferon-γ (IFN-γ) production. More importantly, our expansion method achieved more than a 10,000-fold expansion of adaptive NK cells after 6 weeks of culture, providing a high yield of alloreactive NK cells for cell therapy against cancer.
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Affiliation(s)
- Minh-Trang Thi Phan
- Cell and Gene Therapy Institute (CGTI), Samsung Medical Center, Seoul 06351, Korea
| | - Jinho Kim
- Department of Health Sciences and Technology, Samsung Advanced Institute for Health Sciences and Technology, Sungkyunkwan University, Seoul 06355, Korea
| | - Seung Kwon Koh
- Department of Health Sciences and Technology, Samsung Advanced Institute for Health Sciences and Technology, Sungkyunkwan University, Seoul 06355, Korea
| | - Yuree Lim
- Department of Biopharmaceutical Convergence, Sungkyunkwan University, Suwon 16419, Korea
| | - Hongbi Yu
- Department of Health Sciences and Technology, Samsung Advanced Institute for Health Sciences and Technology, Sungkyunkwan University, Seoul 06355, Korea
| | - Mijeong Lee
- Department of Health Sciences and Technology, Samsung Advanced Institute for Health Sciences and Technology, Sungkyunkwan University, Seoul 06355, Korea
| | - Jong-Min Lee
- Bio Research Center, Lugensci Co., Ltd., Bucheon 14556, Korea
| | - Eun-Suk Kang
- Department of Laboratory Medicine and Genetics, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul 06351, Korea
| | - Hyun-Young Kim
- Department of Laboratory Medicine and Genetics, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul 06351, Korea
| | - Sang-Ki Kim
- Department of Companion and Laboratory Animal Science, Kongju National University, Yesan 32439, Korea
| | - Ilwoong Hwang
- Department of Emergency Medicine, Soonchunhyang University Gumi Hospital, Gumi 39371, Korea
- Correspondence: (I.H.); (D.C.)
| | - Duck Cho
- Cell and Gene Therapy Institute (CGTI), Samsung Medical Center, Seoul 06351, Korea
- Department of Health Sciences and Technology, Samsung Advanced Institute for Health Sciences and Technology, Sungkyunkwan University, Seoul 06355, Korea
- Department of Biopharmaceutical Convergence, Sungkyunkwan University, Suwon 16419, Korea
- Department of Laboratory Medicine and Genetics, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul 06351, Korea
- Correspondence: (I.H.); (D.C.)
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Lee SB, Lee KS, Kim HY, Kim DY, Seo MS, Jeong SC, Moon JK, Park SK, Choi MS. The discovery of novel SNPs associated with group A soyasaponin biosynthesis from Korea soybean core collection. Genomics 2022; 114:110432. [PMID: 35843383 DOI: 10.1016/j.ygeno.2022.110432] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2022] [Accepted: 07/09/2022] [Indexed: 11/26/2022]
Abstract
Soyasaponin is a type of glycoside such as steroids, steroidal alkaloids or triterpenes, which enhance the body immunity. In order to efficiently identify genes and markers related to the soyasaponin, we used a 180K Axiom® SoyaSNP array and whole genome resequencing data from the Korean soybean core collection. As a result of conducting GWAS for group A soyasaponin (Aa and Ab derivatives), 16 significant common markers associated with Aa and Ab derivatives were mapped to chromosome 7, and three candidate genes including Glyma.07g254600 were detected. The functional haplotypes for candidate genes showed that Aa and Ab contents were mainly determined by alleles of AX-90322128, the marker of Glyma.07g254600. In addition, 14 novel SNPs variants closely associated with Aa and Ab derivatives were discovered for Glyma.07g254600. Therefore, the results of this study that identified soyasaponin-associated markers and useful genes utilizing various genomic information could provide insight into functional soybean breeding.
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Affiliation(s)
- Sang-Beom Lee
- National Institute of Crop Science, RDA, Wanju 55365, Republic of Korea
| | - Kwang-Sik Lee
- National Institute of Crop Science, RDA, Wanju 55365, Republic of Korea
| | - Hyun-Young Kim
- National Institute of Crop Science, RDA, Wanju 55365, Republic of Korea
| | - Dool-Yi Kim
- National Institute of Crop Science, RDA, Wanju 55365, Republic of Korea
| | - Mi-Suk Seo
- National Institute of Crop Science, RDA, Wanju 55365, Republic of Korea
| | - Soon-Chun Jeong
- Bio-Evaluation Center, Korea Research Institute of Bioscience and Biotechnology, Cheongju, Chungbuk 28116, Republic of Korea
| | - Jung-Kyung Moon
- National Institute of Crop Science, RDA, Wanju 55365, Republic of Korea
| | - Soo-Kwon Park
- National Institute of Crop Science, RDA, Wanju 55365, Republic of Korea
| | - Man-Soo Choi
- National Institute of Crop Science, RDA, Wanju 55365, Republic of Korea.
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Gang S, Yang HB, Kim HY. A 17-year experience on bilaterality of ovarian germ cell tumors in pediatric population and its clinical implications: A single-center study. J Pediatr Surg 2022; 57:1221-1227. [PMID: 35387741 DOI: 10.1016/j.jpedsurg.2022.02.036] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/14/2022] [Accepted: 02/24/2022] [Indexed: 10/18/2022]
Abstract
BACKGROUND Since the incidence of ovarian germ cell tumor (GCT) in pediatric population is low, there is little information regarding this tumor. A synchronous and metachronous bilateral mass is not infrequently observed in GCT patients. It is important to prevent early ovarian failure and preserve fertility. METHODS We retrospectively reviewed the medical records of 112 patients less than 18 years surgically treated for ovarian GCT between 2008 and 2021 at the Department of Pediatric surgery of the Seoul National University Hospital (SNUH). Among these, 13 patients (11.6%) had bilateral masses. In metachronous masses, the recurrence period and therapeutic approach were evaluated. When ovarian failure was a concern, fertility preservation was attempted. RESULTS Mean age was 8.1 ± 4.0 years. Patients with a bilateral mass were older (p = 0.004). Follow-up was 39.6 ± 40.6 months. Five patients had a synchronous mass, and 8 patients experienced metachronous recurrence. Two patients with a synchronous mass had a metachronous neoplasm (n = 1) and recurrence (n = 1). Patients with metachronous recurrence started menstruation except for two patients who had not reached puberty. The mean recurrence interval was 45.9 ± 38.6 months. Ovum banking was requested for 6 patients and performed in 2. CONCLUSIONS During our 17 years of experience, bilaterality was observed in 11.6% of GCT patients. Metachronous mass occurs after 5 years. A longer follow-up plan is needed for early detection. Our multidisciplinary approach to preserve fertility seemed to be successful with close cooperation with gynecologists.
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Affiliation(s)
- Sujin Gang
- Department of Pediatric Surgery, Seoul National University Hospital, 101 Daehak-ro, Jongno-gu, Seoul, 03080, Republic of Korea
| | - Hee-Beom Yang
- Department of Surgery, Seoul National University Bundang Hospital, 82, Gumi-ro 173beon-gil, Bundang-gu, Seongnam-si, Gyeonggi-do, Republic of Korea
| | - Hyun-Young Kim
- Department of Pediatric Surgery, Seoul National University Hospital, 101 Daehak-ro, Jongno-gu, Seoul, 03080, Republic of Korea; Department of Pediatric Surgery, Seoul National University College of Medicine, 101 Daehak-ro, Jongro-gu, Seoul 03080, Republic of Korea.
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Sung JY, Yun W, Kim HY, Kim HJ, Choi JR, Kim SH, Jung CW, Lee ST. Metabolic subtype reveals potential therapeutic vulnerability in acute promyelocytic leukaemia. Clin Transl Med 2022; 12:e964. [PMID: 35808815 PMCID: PMC9270575 DOI: 10.1002/ctm2.964] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2022] [Revised: 06/15/2022] [Accepted: 06/20/2022] [Indexed: 11/12/2022] Open
Affiliation(s)
- Ji-Yong Sung
- Department of Laboratory Medicine, Yonsei University College of Medicine, Seoul, South Korea
| | - Woobin Yun
- Brain Korea 21 PLUS Project for Medical Science, Yonsei University, Seoul, South Korea
| | - Hyun-Young Kim
- Department of Laboratory Medicine and Genetics, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, South Korea
| | - Hee-Jin Kim
- Department of Laboratory Medicine and Genetics, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, South Korea
| | - Jong Rak Choi
- Department of Laboratory Medicine, Yonsei University College of Medicine, Seoul, South Korea.,Dxome Co. Ltd., Seongnam-si, Gyeonggi-do, South Korea
| | - Sun-Hee Kim
- Department of Laboratory Medicine and Genetics, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, South Korea
| | - Chul Won Jung
- Department of Internal Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, South Korea
| | - Seung-Tae Lee
- Department of Laboratory Medicine, Yonsei University College of Medicine, Seoul, South Korea.,Dxome Co. Ltd., Seongnam-si, Gyeonggi-do, South Korea
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Baek J, Kim Y, Kim HY. Associations of Handgrip Asymmetry With Impaired Health-Related Quality of Life Among Older Adults in South Korea: A Cross-Sectional Study Using National Survey Data. Asia Pac J Public Health 2022; 34:649-659. [PMID: 35730491 DOI: 10.1177/10105395221106629] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
This study aimed to examine the associations of handgrip strength (HGS) and asymmetry with health-related quality of life among South Korean older adults. We enrolled 7395 older adults from the Korea National Health and Nutrition Examination Survey. Health-related quality of life was measured using the EuroQol-5 Dimension. Weakness was defined as a HGS of <26 kg for men and <18 kg for women. Handgrip strength symmetry was defined as an HGS ratio of 0.9:1.1, and HGS asymmetry was defined as a ratio outside that range. Data were analyzed using the Rao-Scott χ2, F test, and multivariate logistic regression. Compared with those in the "symmetric HGS and not weak" group, those in the "asymmetric HGS and weak" group had impaired health-related quality of life for all variables among men (odds ratios [ORs] = 1.67-3.75, 95% confidence interval [CI] [1.14, 6.27]). A greater risk of impaired self-care (SC; odds ratio [OR] = 2.33, 95% CI [1.67, 3.25]) and anxiety/depression (AD; OR = 1.40, 95% CI [1.04, 1.88]) was observed among women in the "asymmetric HGS and weak" group. Handgrip weakness and asymmetry are associated with impaired health-related quality of life. Handgrip asymmetry can be a clinical marker of health-related quality of life in older adults and must be measured alongside HGS.
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Affiliation(s)
- Jihyun Baek
- College of Nursing, Research Institute of Nursing Science, Jeonbuk National University, Jeonju-si, Republic of Korea
| | - Yunmi Kim
- College of Nursing, Eulji University, Seongnam-si, Republic of Korea
| | - Hyun-Young Kim
- Department of Nursing Science, Jeonju University, Jeonju-si, Republic of Korea
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37
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Alffenaar JWC, Stocker SL, Forsman LD, Garcia-Prats A, Heysell SK, Aarnoutse RE, Akkerman OW, Aleksa A, van Altena R, de Oñata WA, Bhavani PK, Van't Boveneind-Vrubleuskaya N, Carvalho ACC, Centis R, Chakaya JM, Cirillo DM, Cho JG, D Ambrosio L, Dalcolmo MP, Denti P, Dheda K, Fox GJ, Hesseling AC, Kim HY, Köser CU, Marais BJ, Margineanu I, Märtson AG, Torrico MM, Nataprawira HM, Ong CWM, Otto-Knapp R, Peloquin CA, Silva DR, Ruslami R, Santoso P, Savic RM, Singla R, Svensson EM, Skrahina A, van Soolingen D, Srivastava S, Tadolini M, Tiberi S, Thomas TA, Udwadia ZF, Vu DH, Zhang W, Mpagama SG, Schön T, Migliori GB. Clinical standards for the dosing and management of TB drugs. Int J Tuberc Lung Dis 2022; 26:483-499. [PMID: 35650702 PMCID: PMC9165737 DOI: 10.5588/ijtld.22.0188] [Citation(s) in RCA: 24] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2022] [Accepted: 04/04/2022] [Indexed: 12/16/2022] Open
Abstract
BACKGROUND: Optimal drug dosing is important to ensure adequate response to treatment, prevent development of drug resistance and reduce drug toxicity. The aim of these clinical standards is to provide guidance on 'best practice´ for dosing and management of TB drugs.METHODS: A panel of 57 global experts in the fields of microbiology, pharmacology and TB care were identified; 51 participated in a Delphi process. A 5-point Likert scale was used to score draft standards. The final document represents the broad consensus and was approved by all participants.RESULTS: Six clinical standards were defined: Standard 1, defining the most appropriate initial dose for TB treatment; Standard 2, identifying patients who may be at risk of sub-optimal drug exposure; Standard 3, identifying patients at risk of developing drug-related toxicity and how best to manage this risk; Standard 4, identifying patients who can benefit from therapeutic drug monitoring (TDM); Standard 5, highlighting education and counselling that should be provided to people initiating TB treatment; and Standard 6, providing essential education for healthcare professionals. In addition, consensus research priorities were identified.CONCLUSION: This is the first consensus-based Clinical Standards for the dosing and management of TB drugs to guide clinicians and programme managers in planning and implementation of locally appropriate measures for optimal person-centred treatment to improve patient care.
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Affiliation(s)
- J W C Alffenaar
- Sydney Institute for Infectious Diseases, The University of Sydney, Sydney, NSW, Australia, School of Pharmacy, The University of Sydney Faculty of Medicine and Health, Sydney, NSW, Australia, Westmead Hospital, Sydney, NSW, Australia
| | - S L Stocker
- School of Pharmacy, The University of Sydney Faculty of Medicine and Health, Sydney, NSW, Australia, Department of Clinical Pharmacology and Toxicology, St Vincent´s Hospital, Sydney, NSW, Australia, St Vincent´s Clinical Campus, University of NSW, Kensington, NSW, Australia
| | - L Davies Forsman
- Division of Infectious Diseases, Department of Medicine, Karolinska Institutet, Solna, Sweden, Department of Infectious Diseases Karolinska University Hospital, Solna, Sweden
| | - A Garcia-Prats
- Desmond Tutu TB Centre, Department of Paediatrics and Child Health, Stellenbosch University, Tygerberg, South Africa, Department of Pediatrics, University of Wisconsin, Madison, WI
| | - S K Heysell
- Division of Infectious Diseases and International Health, University of Virginia, Charlottesville, VA, USA
| | - R E Aarnoutse
- Department of Pharmacy, Radboud Institute for Health Sciences & Radboudumc Center for Infectious Diseases, Radboud University Medical Center, Nijmegen, The Netherlands
| | - O W Akkerman
- University of Groningen, University Medical Center Groningen, Department of Pulmonary Diseases and Tuberculosis, Groningen, The Netherlands, University of Groningen, University Medical Center Groningen, Tuberculosis Center Beatrixoord, Haren, The Netherlands
| | - A Aleksa
- Educational Institution "Grodno State Medical University", Grodno, Belarus
| | - R van Altena
- Asian Harm Reduction Network (AHRN) and Medical Action Myanmar (MAM) in Yangon, Myanmar
| | - W Arrazola de Oñata
- Belgian Scientific Institute for Public Health (Belgian Lung and Tuberculosis Association), Brussels, Belgium
| | - P K Bhavani
- Indian Council of Medical Research-National Institute for Research in Tuberculosis-International Center for Excellence in Research, Chennai, India
| | - N Van't Boveneind-Vrubleuskaya
- Department of Clinical Pharmacy and Pharmacology, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands, Department of Public Health TB Control, Metropolitan Public Health Services, The Hague, The Netherlands
| | - A C C Carvalho
- Laboratório de Inovações em Terapias, Ensino e Bioprodutos (LITEB), Instituto Oswaldo Cruz, Fundação Oswaldo Cruz, Rio de Janeiro, RJ, Brazil
| | - R Centis
- Servizio di Epidemiologia Clinica delle Malattie Respiratorie, Istituti Clinici Scientifici Maugeri Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS), Tradate, Italy
| | - J M Chakaya
- Department of Medicine, Therapeutics and Dermatology, Kenyatta University, Nairobi, Kenya, Department of Clinical Sciences, Liverpool School of Tropical Medicine, Liverpool, UK
| | - D M Cirillo
- Emerging Bacterial Pathogens Unit, Division of Immunology, Transplantation and Infectious Diseases, IRCCS San Raffaele Scientific Institute, Milan, Italy
| | - J G Cho
- Sydney Institute for Infectious Diseases, The University of Sydney, Sydney, NSW, Australia, Westmead Hospital, Sydney, NSW, Australia, Parramatta Chest Clinic, Parramatta, NSW, Australia
| | - L D Ambrosio
- Public Health Consulting Group, Lugano, Switzerland
| | - M P Dalcolmo
- Reference Center Hélio Fraga, Fundação Oswaldo Cruz (Fiocruz), Rio de Janeiro, RJ, Brazil
| | - P Denti
- Division of Clinical Pharmacology, Department of Medicine, University of Cape Town, Cape Town, South Africa
| | - K Dheda
- Centre for Lung Infection and Immunity, Department of Medicine, Division of Pulmonology and UCT Lung Institute, University of Cape Town, Cape Town, South Africa, University of Cape Town Lung Institute & South African MRC Centre for the Study of Antimicrobial Resistance, Cape Town, South Africa, Faculty of Infectious and Tropical Diseases, Department of Immunology and Infection, London School of Hygiene & Tropical Medicine, London, UK
| | - G J Fox
- Faculty of Medicine and Health, Sydney Medical School, The University of Sydney, Sydney, NSW, Australia, Woolcock Institute of Medical Research, Glebe, NSW, Australia
| | - A C Hesseling
- Desmond Tutu TB Centre, Department of Paediatrics and Child Health, Stellenbosch University, Tygerberg, South Africa
| | - H Y Kim
- Sydney Institute for Infectious Diseases, The University of Sydney, Sydney, NSW, Australia, School of Pharmacy, The University of Sydney Faculty of Medicine and Health, Sydney, NSW, Australia, Westmead Hospital, Sydney, NSW, Australia
| | - C U Köser
- Department of Genetics, University of Cambridge, Cambridge, UK
| | - B J Marais
- Sydney Institute for Infectious Diseases, The University of Sydney, Sydney, NSW, Australia, Department of Infectious Diseases and Microbiology, The Children´s Hospital at Westmead, Westmead, NSW, Australia
| | - I Margineanu
- Department of Clinical Pharmacy and Pharmacology, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - A G Märtson
- Antimicrobial Pharmacodynamics and Therapeutics, Department of Molecular and Clinical Pharmacology, Institute of Translational Medicine, University of Liverpool, Liverpool, UK
| | - M Munoz Torrico
- Clínica de Tuberculosis, Instituto Nacional de Enfermedades Respiratorias, Ciudad de México, Mexico
| | - H M Nataprawira
- Division of Paediatric Respirology, Department of Child Health, Faculty of Medicine, Universitas Padjadjaran, Hasan Sadikin Hospital, Bandung, Indonesia
| | - C W M Ong
- Infectious Disease Translational Research Programme, Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Institute for Health Innovation & Technology (iHealthtech), National University of Singapore, Singapore, Division of Infectious Diseases, Department of Medicine, National University Hospital, Singapore
| | - R Otto-Knapp
- German Central Committee against Tuberculosis (DZK), Berlin, Germany
| | - C A Peloquin
- Infectious Disease Pharmacokinetics Laboratory, Pharmacotherapy and Translational Research, University of Florida College of Pharmacy, Gainesville, FL, USA
| | - D R Silva
- Faculdade de Medicina, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil
| | - R Ruslami
- TB/HIV Research Centre, Faculty of Medicine, Universitas Padjadjaran, Bandung, Indonesia, Department of Biomedical Sciences, Division of Pharmacology and Therapy, Faculty of Medicine, Universitas Padjadjaran, Bandung, Indonesia
| | - P Santoso
- Division of Respirology and Critical Care, Department of Internal Medicine, Faculty of Medicine, Universitas Padjadjaran/Hasan Sadikin General Hospital, Bandung, Indonesia
| | - R M Savic
- Department of Bioengineering and Therapeutic Sciences, Division of Pulmonary and Critical Care Medicine, Schools of Pharmacy and Medicine, University of California San Francisco, San Francisco, CA, USA
| | - R Singla
- Department of TB & Respiratory Diseases, National Institute of TB & Respiratory Diseases, New Delhi, India
| | - E M Svensson
- Department of Pharmacy, Radboud Institute for Health Sciences & Radboudumc Center for Infectious Diseases, Radboud University Medical Center, Nijmegen, The Netherlands, Department of Pharmacy, Uppsala University, Uppsala, Sweden
| | - A Skrahina
- The Republican Research and Practical Centre for Pulmonology and TB, Minsk, Belarus
| | - D van Soolingen
- National Institute for Public Health and the Environment, TB Reference Laboratory (RIVM), Bilthoven, The Netherlands
| | - S Srivastava
- Department of Pulmonary Immunology, University of Texas Health Science Center at Tyler, Tyler, TX, USA
| | - M Tadolini
- Infectious Diseases Unit, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna, Italy, Department of Medical and Surgical Sciences, Alma Mater Studiorum University of Bologna, Bologna, Italy
| | - S Tiberi
- Blizard Institute, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, London, UK
| | - T A Thomas
- Division of Infectious Diseases and International Health, University of Virginia, Charlottesville, VA, USA
| | - Z F Udwadia
- P. D. Hinduja National Hospital and Medical Research Centre, Mumbai, India
| | - D H Vu
- National Drug Information and Adverse Drug Reaction Monitoring Centre, Hanoi University of Pharmacy, Hanoi, Vietnam
| | - W Zhang
- Department of Infectious Diseases, National Medical Center for Infectious Diseases, Shanghai Key Laboratory of Infectious Diseases and Biosafety Emergency Response, Huashan Hospital, Shanghai Medical College, Fudan University, Shanghai, People´s Republic of China
| | - S G Mpagama
- Kilimanjaro Christian Medical University College, Moshi, United Republic of Tanzania, Kibong´oto Infectious Diseases Hospital, Sanya Juu, Siha, Kilimanjaro, United Republic of Tanzania
| | - T Schön
- Department of Infectious Diseases, Linköping University Hospital, Linköping, Sweden, Institute of Biomedical and Clinical Sciences, Division of Infection and Inflammation, Linköping University, Linköping, Sweden, Department of Infectious Diseases, Kalmar County Hospital, Kalmar, Linköping University, Linköping, Sweden
| | - G B Migliori
- Servizio di Epidemiologia Clinica delle Malattie Respiratorie, Istituti Clinici Scientifici Maugeri Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS), Tradate, Italy
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Cho GJ, Cho KD, Kim HY, Ha S, Oh MJ, Won HS, Chung JH. Short-term neonatal and long-term infant outcome of late-preterm twins: nationwide population-based study. Ultrasound Obstet Gynecol 2022; 59:763-770. [PMID: 34931725 DOI: 10.1002/uog.24838] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/12/2021] [Revised: 11/04/2021] [Accepted: 12/02/2021] [Indexed: 06/14/2023]
Abstract
OBJECTIVES To evaluate the short- and long-term outcome of late-preterm compared with term birth in twin pregnancy. METHODS This retrospective observational cohort study included all women who had a twin delivery between 1 January 2007 and 31 December 2010 recorded in the claims database of the Korea National Health Insurance, with at least one follow-up recorded in the database of the National Health Screening Program for Infants and Children. Outcomes were analyzed at the pregnancy level, with adverse outcome being defined as an adverse outcome in one or both twins, identified by a diagnosis according to the International Classification of Diseases 10th Revision. The primary short-term outcome was composite morbidity, which included any of the following: transient tachypnea, respiratory distress syndrome, necrotizing enterocolitis, intraventricular hemorrhage and bronchopulmonary dysplasia. Long-term adverse outcome included any neurological or neurodevelopmental outcome, defined by prespecified neurological and developmental diagnoses; these were assessed by following up all neonates until the end of 2018, by which time they were 8-11 years of age. Outcomes were compared between twins delivered late preterm (34 + 0 to 36 + 6 weeks) and those delivered at term (≥ 37 weeks). RESULTS Among 17 189 women who delivered twins at ≥ 34 weeks of gestation during the study period, 5032 (29.27%) women delivered in the late-preterm period. On multivariate analysis, compared with the twins delivered at term, the late-preterm twins had an increased risk for the primary short-term outcome of composite morbidity (adjusted odds ratio (aOR), 2.09; 95% CI, 1.90-2.30), including transient tachypnea (aOR, 1.85; 95% CI, 1.64-2.09), respiratory distress syndrome (aOR, 2.31; 95% CI, 2.04-2.62), necrotizing enterocolitis (aOR, 2.10; 95% CI, 1.20-3.69) and intraventricular hemorrhage (aOR, 2.13; 95% CI, 1.46-3.11). For the long-term outcome, the late-preterm twins also had an increased risk for any neurological or neurodevelopmental outcome (adjusted hazard ratio, 1.14; 95% CI, 1.07-1.21). CONCLUSIONS Twins delivered in the late-preterm period have an increased risk for short- and long-term morbidity compared with twins delivered at term. These results should be considered when determining the timing of delivery in uncomplicated twin pregnancy. © 2021 International Society of Ultrasound in Obstetrics and Gynecology.
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Affiliation(s)
- G J Cho
- Department of Obstetrics and Gynecology, Korea University Guro Hospital, Korea University College of Medicine, Seoul, Korea
| | - K-D Cho
- Big Data Department, National Health Insurance Service, Gangwon-do, Korea
| | - H Y Kim
- Department of Obstetrics and Gynecology, Korea University Guro Hospital, Korea University College of Medicine, Seoul, Korea
| | - S Ha
- Graduate School of Statistics, Sungkyunkwan University, Seoul, Korea
| | - M-J Oh
- Department of Obstetrics and Gynecology, Korea University Guro Hospital, Korea University College of Medicine, Seoul, Korea
| | - H-S Won
- Department of Obstetrics and Gynecology, University of Ulsan College of Medicine, Asan Medical Center, Seoul, Korea
| | - J H Chung
- Department of Obstetrics and Gynecology, University of Ulsan College of Medicine, Asan Medical Center, Seoul, Korea
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Abstract
Inherited bone marrow failure syndrome (IBMFS) is a group of clinically heterogeneous disorders characterized by significant hematological cytopenias of one or more hematopoietic cell lineages and is associated with an increased risk of cancer. The genetic etiology of IBMFS includes germline mutations impacting several key biological processes, such as DNA repair, telomere biology, and ribosome biogenesis, which may cause four major syndromes: Fanconi anemia, dyskeratosis congenita, Diamond-Blackfan anemia, and Shwachman-Diamond syndrome. Although the clinical features of some patients may be typical of a particular IBMFS, overlapping and atypical clinical manifestations and variable penetrance pose diagnostic challenges. Here, we review the clinical and genetic features of the major forms of IBMFS and discuss their molecular genetic diagnosis. Next-generation sequencing-based gene panel testing or whole exome sequencing will help elucidate the genetic causes and underlying mechanisms of this genetically heterogeneous group of diseases.
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Affiliation(s)
- Hyun-Young Kim
- Department of Laboratory Medicine and Genetics, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Hee-Jin Kim
- Department of Laboratory Medicine and Genetics, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Sun-Hee Kim
- Department of Laboratory Medicine and Genetics, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
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40
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Hahn JW, Moon SY, Kim MS, Woo MH, Sohn MJ, Kim HY, Seong MW, Park SS, Park SH, Moon JS, Ko JS. ACTG2 Variants in Pediatric Chronic Intestinal Pseudo-obstruction With Megacystis. J Neurogastroenterol Motil 2022; 28:104-110. [PMID: 34980693 PMCID: PMC8748860 DOI: 10.5056/jnm20243] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/30/2020] [Revised: 02/23/2021] [Accepted: 03/08/2021] [Indexed: 12/11/2022] Open
Abstract
Background/Aims Chronic intestinal pseudo-obstruction (CIPO) is a clinically heterogeneous syndrome characterized by compromised peristalsis and intestinal obstruction. Variants of actin gamma 2 (ACTG2), a protein crucial for correct enteric muscle contraction, have been found in CIPO patients. The aim of this study is to examine the clinical features and ACTG2 variants in Korean patients with CIPO. Methods From January 1995 to August 2020, 12 patients diagnosed with CIPO were included and genetic analysis testing of ACTG2 was performed. Results Heterozygous ACTG2 missense variants were found in 6 patients (50.0%). The p.Arg257Cys variant was found in 3 patients, and p.Arg63Gln and p.Arg178His variants were found in 1 patient each. A novel variant, p.Ile193Phe, was found in 1 patient. Three patients were diagnosed at birth, 2 at the age of 1 year, and 1 at 3 years of age. Abnormal prenatal genitourinary ultrasonographic findings were found in all 6 patients; microcolon was found in 4 patients (66.7%), and megacystis in all 6 patients. The pathology showed abnormal ganglion cells as well as myopathic findings. All patients are dependent on total parenteral nutrition and are to date alive. Conclusions ACTG2 variants are commonly found in Korean patients with CIPO. In CIPO patients with megacystis and abnormal prenatal ultrasonography, genetic testing of ACTG2 should be considered. Molecular diagnosis of CIPO is more important than pathologic diagnosis.
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Affiliation(s)
- Jong Woo Hahn
- Department of Pediatrics, Seoul National University College of Medicine, Seoul, Korea
| | - Soo Young Moon
- Department of Pediatrics, Seoul National University College of Medicine, Seoul, Korea
| | - Min Soo Kim
- Department of Pediatrics, Seoul National University College of Medicine, Seoul, Korea
| | - Min Hyung Woo
- Department of Pediatrics, Seoul National University College of Medicine, Seoul, Korea
| | - Min Ji Sohn
- Department of Pediatrics, Seoul National University College of Medicine, Seoul, Korea
| | - Hyun-Young Kim
- Department of Surgery, Seoul National University College of Medicine, Seoul, Korea
| | - Moon-Woo Seong
- Department of Laboratory Medicine, Seoul National University College of Medicine, Seoul, Korea
| | - Sung Sup Park
- Department of Laboratory Medicine, Seoul National University College of Medicine, Seoul, Korea
| | - Sung-Hye Park
- Department of Pathology, Seoul National University College of Medicine, Seoul, Korea
| | - Jin Soo Moon
- Department of Pediatrics, Seoul National University College of Medicine, Seoul, Korea
| | - Jae Sung Ko
- Department of Pediatrics, Seoul National University College of Medicine, Seoul, Korea
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41
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Youn JK, Lee D, Ko D, Yeom I, Joo HJ, Kim HC, Kong HJ, Kim HY. Augmented Reality-Based Visual Cue for Guiding Central Catheter Insertion in Pediatric Oncologic Patients. World J Surg 2022; 46:942-948. [PMID: 35006323 DOI: 10.1007/s00268-021-06425-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/29/2021] [Indexed: 10/19/2022]
Abstract
BACKGROUND Pediatric hemato-oncologic patients require central catheters for chemotherapy, and the junction of the superior vena cava and right atrium is considered the ideal location for catheter tips. Skin landmarks or fluoroscopic supports have been applied to identify the cavoatrial junction; however, none has been recognized as the gold standard. Therefore, we aim to develop a safe and accurate technique using augmented reality technology for the location of the cavoatrial junction in pediatric hemato-oncologic patients. METHODS Fifteen oncology patients who underwent chest computed tomography were enrolled for Hickman catheter or chemoport insertion. With the aid of augmented reality technology, three-dimensional models of the internal jugular veins, external jugular veins, subclavian veins, superior vena cava, and right atrium were constructed. On inserting the central vein catheters, the cavoatrial junction identified using the three-dimensional models were marked on the body surface, the tip was positioned at the corresponding location, and the actual insertion location was confirmed using a portable x-ray machine. The proposed method was evaluated by comparing the distance from the cavoatrial junction to the augmented reality location with that to the conventional location on x-ray. RESULTS The mean distance between the cavoatrial junction and augmented reality location on x-ray was 1.2 cm, which was significantly shorter than that between the cavoatrial junction and conventional location (1.9 cm; P = 0.027). CONCLUSIONS Central catheter insertion using augmented reality technology is more safe and accurate than that using conventional methods and can be performed at no additional cost in oncology patients.
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Affiliation(s)
- Joong Kee Youn
- Department of Pediatric Surgery, Seoul National University Hospital, Seoul, Republic of Korea.,Department of Pediatric Surgery, Seoul National University College of Medicine, 101 Daehak-ro, Jongro-gu, Seoul, 03080, Republic of Korea
| | - Dongheon Lee
- Department of Biomedical Engineering, Chungnam National University College of Medicine and Hospital, Daejeon, Republic of Korea
| | - Dayoung Ko
- Department of Pediatric Surgery, Seoul National University Hospital, Seoul, Republic of Korea
| | - Inhwa Yeom
- Transdisciplinary Department of Medicine and Advanced Technology, Seoul National University Hospital, 101 Daehak-ro, Jongro-gu, Seoul, 03080, Republic of Korea
| | - Hyun-Jin Joo
- Transdisciplinary Department of Medicine and Advanced Technology, Seoul National University Hospital, 101 Daehak-ro, Jongro-gu, Seoul, 03080, Republic of Korea
| | - Hee Chan Kim
- Department of Biomedical Engineering, Seoul National University College of Medicine, Seoul, Republic of Korea.,Institute of Medical and Biological Engineering, Medical Research Center, Seoul National University College of Medicine, Seoul, Republic of Korea
| | - Hyoun-Joong Kong
- Transdisciplinary Department of Medicine and Advanced Technology, Seoul National University Hospital, 101 Daehak-ro, Jongro-gu, Seoul, 03080, Republic of Korea.
| | - Hyun-Young Kim
- Department of Pediatric Surgery, Seoul National University College of Medicine, 101 Daehak-ro, Jongro-gu, Seoul, 03080, Republic of Korea.
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Ryu JH, Ko D, Han JW, Park JW, Shin A, Han SH, Kim HY. The proper timing of virtual reality experience for reducing preoperative anxiety of pediatric patients: A randomized clinical trial. Front Pediatr 2022; 10:899152. [PMID: 36177450 PMCID: PMC9514542 DOI: 10.3389/fped.2022.899152] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/01/2022] [Accepted: 08/09/2022] [Indexed: 12/02/2022] Open
Abstract
BACKGROUND The virtual reality (VR) experience of an operation room (OR) prior to anesthesia and surgery has been known to reduce the anxiety and distress of pediatric patients. However, the proper timing needed for this is unknown. This randomized clinical study aimed to evaluate the proper timing of a VR tour of an OR (a few days before vs. immediately before anesthesia) to reduce the anxiety in a pediatric patient undergoing elective surgery. METHODS The children from the ages of 4-10 years old were randomly divided into three groups. The control group received standard verbal information about the process of anesthesia and surgery 10 min before anesthesia. The VR A group experienced a VR tour at the outpatient clinic a few days before anesthesia, whereas the VR B group experienced the tour 10 min before anesthesia at the reception area of the OR. The 4-min VR video used in this study showed the experience of Pororo, an animation character, entering the OR and undergoing anesthesia. We evaluated the anxiety of children using the modified Yale preoperative anxiety scale (m-YPAS), the anxiety of caregivers using Beck anxiety inventory (BAI), and caregivers' satisfaction. RESULTS The m-YPAS of the VR B group was significantly lower than that of the control and VR A groups (p = 0.001), whereas there was no statistically significant difference in BAI (p = 0.605) among the 3 groups. The score of caregivers' satisfaction with the overall process of anesthesia and surgery was higher in VR A group than in the control and VR B groups (p = 0.054). CONCLUSION The VR experience of an OR immediately before anesthesia was more effective than standard verbal information or a VR tour at the outpatient clinic a few days before anesthesia in reducing the anxiety and distress of children prior to surgery. CLINICAL TRIAL REGISTRATION [https://cris.nih.go.kr/cris/search/detailSearch.do/20773], identifier [KCT0006845].
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Affiliation(s)
- Jung-Hee Ryu
- Medical Virtual Reality Research Group, Department of Anesthesiology and Pain Medicine, Seoul National University College of Medicine, Seoul, South Korea.,Department of Anesthesiology and Pain Medicine, Seoul National University Bundang Hospital, Seongnam, South Korea
| | - Dayoung Ko
- Department of Pediatric Surgery, Seoul National University Children's Hospital, Seoul, South Korea
| | - Ji-Won Han
- Department of Pediatric Surgery, Seoul National University Children's Hospital, Seoul, South Korea
| | - Jin-Woo Park
- Department of Anesthesiology and Pain Medicine, Seoul National University Bundang Hospital, Seongnam, South Korea
| | - Aesun Shin
- Department of Preventive Medicine, Seoul National University College of Medicine, Seoul, South Korea
| | - Sung-Hee Han
- Medical Virtual Reality Research Group, Department of Anesthesiology and Pain Medicine, Seoul National University College of Medicine, Seoul, South Korea.,Department of Anesthesiology and Pain Medicine, Seoul National University Bundang Hospital, Seongnam, South Korea
| | - Hyun-Young Kim
- Department of Pediatric Surgery, Seoul National University Children's Hospital, Seoul, South Korea.,Department of Surgery, Seoul National University College of Medicine, Seoul, South Korea
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Kim D, Yang HB, Kim HY. Malignant pancreatic tumor other than solid pseudopapillary tumor in pediatric patients: A single-center experience. Medicine (Baltimore) 2021; 100:e27967. [PMID: 34918645 PMCID: PMC8677902 DOI: 10.1097/md.0000000000027967] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/27/2021] [Accepted: 11/09/2021] [Indexed: 01/05/2023] Open
Abstract
Pancreatic tumors, except solid pseudopapillary tumors (SPTs), are rare in pediatric patients. Herein, we report various types of pancreatic tumors in pediatric patients and review the literature regarding their treatments and prognosis.We retrospectively reviewed the data of pediatric patients who underwent surgery for pancreatic tumors, excluding SPTs, between January 2009 and December 2019 at Seoul National University Children's Hospital. A total of 35 pediatric patients were identified as having undergone surgery for pancreatic tumors. Of these patients, 30 were excluded because the tumor was identified as an SPT.The diagnoses of the five remaining (non-SPT) pancreatic tumors were pancreatic neuroendocrine tumor, mixed acinar neuroendocrine carcinoma, kaposiform hemangioendothelioma, and intraductal papillary mucinous neoplasm. All five patients survived; however, recurrence and liver metastasis were observed in one patient. The detailed demographics, treatments, and prognosis of each patient were reviewed.Despite the rarity and low incidence of pancreatic tumors in pediatric patients, four types of non-SPT tumors are reported here. Hence, the possibility of these should not be overlooked, especially since the diagnosis and adjuvant treatment differ vastly between the tumor types.
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Affiliation(s)
- Duon Kim
- Department of Premedicine, Seoul National University, College of Medicine, Seoul, Korea
| | - Hee-Beom Yang
- Department of Surgery, Seoul National University Bundang Hospital, Seongnam, Korea
| | - Hyun-Young Kim
- Department of Pediatric Surgery, Seoul National University, College of Medicine, Seoul, Korea
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Cho A, Ko D, Youn J, Yang HB, Kim HY. Characteristics of Surgical Necrotizing Enterocolitis: Is It Different from Medical Necrotizing Enterocolitis? A Single-Center Retrospective Study. Children 2021; 8:children8121148. [PMID: 34943344 PMCID: PMC8700107 DOI: 10.3390/children8121148] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 09/21/2021] [Revised: 11/16/2021] [Accepted: 12/04/2021] [Indexed: 11/16/2022]
Abstract
(1) Background: Necrotizing enterocolitis (NEC) is one of the leading causes of death in newborns despite improvements in the care of critically ill neonates. Approximately 50–70% of the cases are managed by medical therapy. However, the remaining patients require surgical intervention. The purpose of our study was to analyze the factors associated with patients requiring surgical treatment compared to patients requiring only medical treatment; (2) Method: Patients diagnosed with necrotizing enterocolitis over a period of 14 years (January 2003–December 2016) in a single tertiary referral children’s hospital were retrospectively enrolled. Demographics and clinical data were collected through the medical record and were analyzed using Pearson’s χ2 test, t-tests, and linear regression; (3) Results: A total of 189 NEC patients were analyzed. In the surgical NEC group, gestational age was lower (p = 0.018), body weight at birth was lower (p = 0.034), comorbidity with respiratory distress syndrome (RDS) was higher (p = 0.005), the days of antibiotic use were greater (p = 0.014), the percentage of breast milk feeding was lower (p = 0.001), and the length of hospital stay was longer (p < 0.000). The in-hospital mortality between the two groups was not significantly different (p = 0.196). In multivariate logistic analysis, breast milk feeding remained less associated with surgical NEC (OR = 0.366, 95% CI: 0.164–0.817), whereas the length of hospital stay was more associated with surgical NEC (OR = 1.010, 95% CI: 1.001–1.019); (4) Conclusion: Comparing medical and surgical NEC, a significantly lower percentage of surgical NEC patients were fed breast milk and their hospital stays were longer.
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Affiliation(s)
- Ara Cho
- Department of Surgery, Division of Pediatric Surgery, Seoul National University Hospital, 101 Daehakro, Chongno-gu, Seoul 03080, Korea; (A.C.); (D.K.); (J.Y.)
| | - Dayoung Ko
- Department of Surgery, Division of Pediatric Surgery, Seoul National University Hospital, 101 Daehakro, Chongno-gu, Seoul 03080, Korea; (A.C.); (D.K.); (J.Y.)
| | - JoongKee Youn
- Department of Surgery, Division of Pediatric Surgery, Seoul National University Hospital, 101 Daehakro, Chongno-gu, Seoul 03080, Korea; (A.C.); (D.K.); (J.Y.)
| | - Hee-Beom Yang
- Department of Surgery, Division of Pediatric Surgery, Seoul National University Bundang Hospital, 82, Gumi-ro 173 Beon-gil, Bundang-gu, Seongnam-si 13620, Korea;
| | - Hyun-Young Kim
- Department of Surgery, Division of Pediatric Surgery, Seoul National University Hospital, 101 Daehakro, Chongno-gu, Seoul 03080, Korea; (A.C.); (D.K.); (J.Y.)
- Correspondence: ; Tel.: +82-2-2072-2478
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Oh C, Cheun JH, Kim HY. Clinical comparison between the presence and absence of protein plugs in pediatric choledochal cysts: experience in 390 patients over 30 years in a single center. Ann Surg Treat Res 2021; 101:306-313. [PMID: 34796147 PMCID: PMC8564075 DOI: 10.4174/astr.2021.101.5.306] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2021] [Revised: 09/16/2021] [Accepted: 10/07/2021] [Indexed: 11/30/2022] Open
Abstract
Purpose The incidence of choledochal cyst (CC) with protein plugs is between 15.5%-40.4%. However, studies on CCs with protein plugs in children are limited. We aimed to analyze the clinical features, surgical findings, and complications of pediatric CCs with and without protein plugs. Methods We retrospectively analyzed 390 patients who underwent surgery for CCs between January 1987 and September 2017. The patients were divided into 2 groups: groups A (CC with protein plugs) and B (CC without protein plugs). The presence of protein plugs was evaluated using preoperative images or identified during surgery. Results One hundred forty-two (36.4%) patients had protein plugs in the pancreaticobiliary duct. The most common initial clinical presentation was abdominal pain, and its incidence was significantly higher in group A (66.2%) than in group B (54.8%) (P = 0.032). The incidence of accompanying pancreatitis was also significantly higher in group A (37.3% vs. 27.0%) (P = 0.040). Anomalous pancreaticobiliary ductal union (APBDU) was found in 261 patients (66.9%) and its incidence was significantly higher in group A (74.6% vs. 62.5%) (P = 0.014). Most protein plugs were found in the cyst (88.0%) and common channel (31.7%). The incidence of early complications was higher in group A; conversely, that of late complications did not differ. Conclusion Approximately 36.4% of the pediatric CC patients were accompanied by protein plugs. Abdominal pain, pancreatitis, and APBDU were more commonly observed among those with protein plugs than among those without; long-term complications did not differ between them.
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Affiliation(s)
- Chaeyoun Oh
- Department of Pediatric Surgery, Korea University College of Medicine, Seoul, Korea
| | - Jong-Ho Cheun
- Department of Pediatric Surgery, Seoul National University College of Medicine, Seoul, Korea
| | - Hyun-Young Kim
- Department of Pediatric Surgery, Seoul National University College of Medicine, Seoul, Korea
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Lee B, Lim DJ, Heo WY, Yoon SE, Kim HY, Kim HJ, Kim SH, Cho D. Aberrant Loss of Surface CD3 and TCRγδ Expression in Relapsed Hepatosplenic T-cell Lymphoma. Ann Lab Med 2021; 41:598-600. [PMID: 34108288 PMCID: PMC8203428 DOI: 10.3343/alm.2021.41.6.598] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2020] [Revised: 12/01/2020] [Accepted: 05/07/2021] [Indexed: 11/19/2022] Open
Affiliation(s)
- Beomki Lee
- Department of Laboratory Medicine and Genetics, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Dae Jin Lim
- Department of Laboratory Medicine and Genetics, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Won Young Heo
- Department of Laboratory Medicine and Genetics, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Sang Eun Yoon
- Division of Hematology-Oncology, Department of Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Hyun-Young Kim
- Department of Laboratory Medicine and Genetics, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Hee-Jin Kim
- Department of Laboratory Medicine and Genetics, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Sun-Hee Kim
- Department of Laboratory Medicine and Genetics, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Duck Cho
- Department of Laboratory Medicine and Genetics, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
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Kim JA, Kim HY, Kim SJ, Kim HJ, Kim SH. A Case of Burkitt-Like Lymphoma With 11q Aberration With HIV Infection in East Asia and Literature Review. Ann Lab Med 2021; 41:593-597. [PMID: 34108287 PMCID: PMC8203433 DOI: 10.3343/alm.2021.41.6.593] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2020] [Revised: 11/30/2020] [Accepted: 05/07/2021] [Indexed: 11/19/2022] Open
Affiliation(s)
- Jee Ah Kim
- Department of Laboratory Medicine and Genetics, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Hyun-Young Kim
- Department of Laboratory Medicine and Genetics, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Seok Jin Kim
- Division of Hematology-Oncology, Department of Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Hee-Jin Kim
- Department of Laboratory Medicine and Genetics, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Sun-Hee Kim
- Department of Laboratory Medicine and Genetics, Sungkyunkwan University School of Medicine, Seoul, Korea
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Youn JK, Yang HB, Ko D, Park KW, Jung SE, Kim HY. Comparison of long-term outcome according to involved aganglionic segments of total colonic aganglionosis. Medicine (Baltimore) 2021; 100:e27432. [PMID: 34622856 PMCID: PMC8500650 DOI: 10.1097/md.0000000000027432] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/22/2020] [Accepted: 09/15/2021] [Indexed: 01/05/2023] Open
Abstract
Total colonic aganglionosis (TCA) is a rare form of Hirschsprung disease, with more severe symptoms than rectosigmoid Hirschsprung disease. We aimed to evaluate the surgical outcomes according to the involved segments of TCA.Patients with aganglionosis extending from the anus to at least the ileocecal valve were included. The medical records of 33 TCA patients from 1981 to 2014 were reviewed. Three groups were analyzed based on the involved segment (jejunum, jejunoileal junction, and distal ileum).The median age at the pull-through operation was 6.2 (3.3-114) months. The median follow-up duration was 216 (21-411) months. Transition zone in the jejunum, jejunoileal junction, and distal ileum was identified in 3, 5, and 25 patients, respectively. The most common method of operation was Duhamel pull-through. Perianal excoriation and enterocolitis were the most common postoperative complications. The complication rates were 45% to 51% and not different among the groups. The defecation frequency normalized 3 years postoperatively, and body weight started to recover after 2 years irrespective of the involved segment.Therefore, close monitoring with proper management of defecation and body weight for at least 2 to 3 years postoperatively is required.
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Affiliation(s)
- Joong Kee Youn
- Department of Pediatric Surgery, Seoul National University Hospital, Seoul, Korea
- Department of Pediatric Surgery, Seoul National University College of Medicine, Seoul, Korea
| | - Hee-Beom Yang
- Department of Surgery, Seoul National University Bundang Hospital, Gyeonggi, Korea
| | - Dayoung Ko
- Department of Pediatric Surgery, Seoul National University Hospital, Seoul, Korea
| | - Kwi-Won Park
- Department of Surgery, Chung-Ang University Hospital, Seoul, Korea
| | - Sung-Eun Jung
- Department of Pediatric Surgery, Seoul National University College of Medicine, Seoul, Korea
| | - Hyun-Young Kim
- Department of Pediatric Surgery, Seoul National University Hospital, Seoul, Korea
- Department of Pediatric Surgery, Seoul National University College of Medicine, Seoul, Korea
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Shin SH, Kim EK, Kim SH, Kim HY, Kim HS. Head Growth and Neurodevelopment of Preterm Infants with Surgical Necrotizing Enterocolitis and Spontaneous Intestinal Perforation. Children (Basel) 2021; 8:children8100833. [PMID: 34682098 PMCID: PMC8534747 DOI: 10.3390/children8100833] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/11/2021] [Revised: 09/16/2021] [Accepted: 09/17/2021] [Indexed: 11/21/2022]
Abstract
Spontaneous intestinal perforation (SIP) and surgical necrotizing enterocolitis (NEC) are intestinal conditions requiring surgical intervention in preterm infants. We aimed to compare the head growth and neurodevelopment of preterm infants with SIP and surgical NEC. A retrospective single-center study was performed in preterm infants born at less than 32 weeks of gestation and who had undergone surgery for NEC or SIP. Data from the Bayley Scales of Infant and Toddler Development 3rd Edition (Bayley-III) at 24 months of corrected age (CA) and the Korean Ages and Stages Questionnaire (K-ASQ) or Korean Developmental Screening Test (K-DST) at 36 months were collected. Among 82 eligible infants, 60 infants had surgical NEC, and 22 infants were diagnosed with SIP. Head growth was faster until CA 4 months in preterm infants with SIP than in those with surgical NEC. At 36 months, abnormal findings in the K-ASQ or K-DST were more prevalent in the NEC group than in the SIP group in the gross motor (48.2% vs. 0%, p = 0.015), fine motor (40.7% vs. 0%, p = 0.037), cognitive (55.6% vs. 12.5%, p = 0.047), and social domains (44.4% vs. 0%, p = 0.032). More studies evaluating the neurodevelopmental outcomes of preterm infants with surgical NEC and SIP are required.
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Affiliation(s)
- Seung-Han Shin
- Department of Pediatrics, College of Medicine, Seoul National University, Seoul 03080, Korea; (S.-H.S.); (S.-H.K.); (H.-S.K.)
| | - Ee-Kyung Kim
- Department of Pediatrics, College of Medicine, Seoul National University, Seoul 03080, Korea; (S.-H.S.); (S.-H.K.); (H.-S.K.)
- Correspondence: ; Tel.: +82-2-2072-3628; Fax: +82-2-2072-0590
| | - Seh-Hyun Kim
- Department of Pediatrics, College of Medicine, Seoul National University, Seoul 03080, Korea; (S.-H.S.); (S.-H.K.); (H.-S.K.)
| | - Hyun-Young Kim
- Department of Pediatric Surgery, Seoul National University College of Medicine, Seoul 03080, Korea;
| | - Han-Suk Kim
- Department of Pediatrics, College of Medicine, Seoul National University, Seoul 03080, Korea; (S.-H.S.); (S.-H.K.); (H.-S.K.)
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Kim Y, Kim HY. Retention Rates and the Associated Risk Factors of Turnover among Newly Hired Nurses at South Korean Hospitals: A Retrospective Cohort Study. Int J Environ Res Public Health 2021; 18:ijerph181910013. [PMID: 34639317 PMCID: PMC8507922 DOI: 10.3390/ijerph181910013] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/25/2021] [Revised: 09/19/2021] [Accepted: 09/20/2021] [Indexed: 11/25/2022]
Abstract
This retrospective cohort study analyzed the turnover rate and the risk factors of turnover among newly hired nurses at tertiary and secondary hospitals in South Korea. Using National Health Insurance Service data, this study created a cohort of 21,050 newly hired nurses across 304 hospitals in 2018, with a follow-up period of 18 months. Retention and turnover risk factors were analyzed at 6-month intervals. Differences in retention period according to hospitals’ organizational characteristics and nurses’ individual characteristics were analyzed using the chi-squared test. The likelihood of staying at work was analyzed using Kaplan–Meier survival curves with the log-rank test, and the hazard ratios of turnover at each retention period were analyzed using multilevel Cox proportional hazards analysis. The turnover rate of newly hired nurses within 1 year of employment was 26.4%, with 20.1% resigning within 6 months, and 6.3% resigning between 7 and 12 months. For all retention periods, turnover risk was associated with a higher bed-to-nurse ratio and older age. Higher standardized monthly income was associated with lower turnover between 13 and 18 months. Hospitals should develop nurse-retention strategies that consider risk factors for turnover. To reduce turnover, adequate nursing personnel should be maintained and fair compensation should be offered.
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Affiliation(s)
- Yunmi Kim
- Department of Nursing, College of Nursing, Eulji University, Seongnam-si 13135, Korea;
| | - Hyun-Young Kim
- Department of Nursing, College of Medical Sciences, Jeonju University, Jeonju-si 55069, Korea
- Correspondence:
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