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Chung C, Choi S, Bae J, Jeong H, Lee J, Lee H. Developing and Validating a Korean Version of the Assessment of Children's Emotional Skills. Child Psychiatry Hum Dev 2024; 55:819-830. [PMID: 36229629 PMCID: PMC11061020 DOI: 10.1007/s10578-022-01452-2] [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] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 09/24/2022] [Indexed: 11/24/2022]
Abstract
In this study, a Korean Assessment of Children's Emotional Skills (ACES) was developed by modifying the original ACES which was initially introduced in the United States. Specifically, the original ACES was translated into Korean and revised to better fit the Korean cultural context. The content validity of the revised Korean ACES was established via expert reviews. To test its reliability, the revised Korean ACES was conducted on 286 six-year-old children. A confirmatory factor analysis indicated that our newly developed Korean ACES can be used as an appropriate tool to measure Korean children's emotional skills. The Korean ACES can stimulate further studies on these emotional skills and contribute to various international collaborative studies that seek to compare the emotional skills of children from diverse cultural backgrounds.
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Affiliation(s)
- C Chung
- School of Child Studies, Kyungpook National University, Daegu, South Korea
| | - S Choi
- Department of English Education, Kyungpook National University, Daegu, South Korea
| | - J Bae
- Department of English Education, Kyungpook National University, Daegu, South Korea
| | - H Jeong
- Department of Early Childhood Education, Keimyung College University, Daegu, South Korea
| | - J Lee
- School of Child Studies, Kyungpook National University, Daegu, South Korea
| | - H Lee
- Department of Home Economics Education, Kyungpook National University, Daegu, South Korea.
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Zhu G, Combs NG, Salmani-Rezaie S, Jeong H, Russell R, Harter JW, Stemmer S. Probing Local Symmetry Breaking in a Ferroelectric Superconductor. Microsc Microanal 2023; 29:1628. [PMID: 37613823 DOI: 10.1093/micmic/ozad067.836] [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] [Subscribe] [Scholar Register] [Indexed: 08/25/2023]
Affiliation(s)
- G Zhu
- Materials Department, University of California, Santa Barbara, California, United States
| | - N G Combs
- Materials Department, University of California, Santa Barbara, California, United States
| | - S Salmani-Rezaie
- Materials Department, University of California, Santa Barbara, California, United States
| | - H Jeong
- Materials Department, University of California, Santa Barbara, California, United States
| | - R Russell
- Materials Department, University of California, Santa Barbara, California, United States
| | - J W Harter
- Materials Department, University of California, Santa Barbara, California, United States
| | - S Stemmer
- Materials Department, University of California, Santa Barbara, California, United States
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Le KC, Jeong H, Tran TM. Theory of transition from brittle to ductile fracture. Phys Rev E 2023; 107:055006. [PMID: 37328972 DOI: 10.1103/physreve.107.055006] [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] [Received: 03/15/2023] [Accepted: 05/05/2023] [Indexed: 06/18/2023]
Abstract
In this paper, two improvements to the theory of transition from brittle to ductile fracture developed by Langer [J. S. Langer, Phys. Rev. E 103, 063004 (2021)2470-004510.1103/PhysRevE.103.063004] are proposed. First, considering the drastic temperature rise near the crack tip, the temperature dependence of the shear modulus is included to better quantify the thermally sensitive dislocation entanglement. Second, the parameters of the improved theory are identified by the large-scale least-squares method. The comparison between the fracture toughness predicted by the theory and the values obtained in Gumbsch's experiments for tungsten at different temperatures [P. Gumbsch et al., Science 282, 1293 (1998)10.1126/science.282.5392.1293] shows good agreement.
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Affiliation(s)
- K C Le
- Division of Computational Mathematics and Engineering, Institute for Computational Science, Ton Duc Thang University, Ho Chi Minh City 758307, Vietnam
- Faculty of Civil Engineering, Ton Duc Thang University, Ho Chi Minh City 758307, Vietnam
| | - H Jeong
- Lehrstuhl für Mechanik - Materialtheorie, Ruhr-Universität Bochum, 44801 Bochum, Germany
| | - T M Tran
- Department of Mechanical Engineering, Vietnamese German University, Binh Duong 750000, Vietnam
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Moon HG, Son HY, Heo WH, Quan M, LI SONGBIN, Valentina H, Jeong H, Han W, Lee HB, HER YUJEONG, Kim JH. Abstract P2-20-05: Personalized tumor vaccine can suppress tumor growth and metastasis in the syngeneic mouse breast cancer model. Cancer Res 2023. [DOI: 10.1158/1538-7445.sabcs22-p2-20-05] [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] [Indexed: 03/06/2023]
Abstract
Abstract
Objective Immunotherapy using the tumor-specific antigens (TSAs) is a promising strategy in breast cancer. Studies have suggested that the in vivo exposures to certain tumors can induce adaptive anti-tumor immunity in syngeneic tumor models. In this study, we show the efficacy of the tumor lysate vaccine and peptide-based vaccine against tumor neoantigen in suppressing tumor growth and metastasis in 4T1 syngeneic tumor models. Method We used BALB/c mice and its syngeneic tumor cell lines to evaluate the anti-tumor effect induced by the transient exposure to the tumor cells. For tumor vaccines, we synthesized the tumor lysate vaccine by the freeze-thaw method or synthetic peptide against the selected tumor neoantigens identified by exome sequencing. We systemic and local immune remodeling was investigated by using immunohistochemistry, flow cytometry, and single cell RNA sequencing. Results We observed a significant reduction of tumor growth and metastasis in 4T1 syngeneic tumors when the mice were previously exposed to the same cells (pre-exposure group). This anti-tumor effect induced by the exposures to the tumor was cell line-specific. The 4T1 tumor lysate vaccines administered prior to the tumor cell injection also showed significant inhibitory effect on tumor growth and metastasis. T lymphocytes, isolated from the tumor tissues of the 4T1 pre-exposure mice and lysate vaccine-treated mice, showed higher levels of TNF-ɑ and IFN-ɣ when compared to the control those from the control tumors. The lysate vaccine treatment resulted in a substantial remodeling of tumor microenvironment including reduction of myeloid-derived suppressor cells and M2 tumor-associated macrophages. On the other hand, the numbers of M1 tumor-associated macrophages and effector memory CD8+ T cells were increased by the lysate vaccine. While the peptide vaccine showed no inhibitory effect on the primary tumor growth, it also suppressed spontaneous lung metastasis. Finally, we administered lysate tumor vaccine after the tumor establishment to determine the therapeutic effect. The lysate vaccine significantly suppressed the tumor growth and lung metastasis of the syngeneic 4T1 tumors. Conclusion Tumor lysate vaccine can suppress the tumor growth and metastasis in the 4T1 syngeneic mouse models by inducing substantial remodeling of tumor immune microenvironment. Additionally, tumor lysate vaccine can elicit similar anti-tumor immune response when administered after the establishment of the primary tumor suggesting a potential therapeutic value.
Citation Format: Hyeong-Gon Moon, Hye Youn Son, Woo Hang Heo, Mingji Quan, SONGBIN LI, Haritonova Valentina, Hamin Jeong, Wonshik Han, Han-Byoel Lee, YUJEONG HER, Ju Hee Kim. Personalized tumor vaccine can suppress tumor growth and metastasis in the syngeneic mouse breast cancer model [abstract]. In: Proceedings of the 2022 San Antonio Breast Cancer Symposium; 2022 Dec 6-10; San Antonio, TX. Philadelphia (PA): AACR; Cancer Res 2023;83(5 Suppl):Abstract nr P2-20-05.
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Affiliation(s)
| | - Hye Youn Son
- 2Seoul National University Hospital, Republic of Korea
| | | | - Mingji Quan
- 4Seoul National University, Republic of Korea
| | - SONGBIN LI
- 5Seoul National University, Republic of Korea
| | | | - Hamin Jeong
- 7Seoul National University, Republic of Korea
| | - Wonshik Han
- 8Seoul National University Hospital, Seoul, Republic of Korea
| | | | - YUJEONG HER
- 10Seoul National University, Republic of Korea
| | - Ju Hee Kim
- 11Seoul National University Hospital, Republic of Korea
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Chung D, Lee J, Yoo S, Choo M, Cho M, Son H, Jeong H. Effect of EphA2 silencing on inhibiting the progression of non-metastatic renal cell carcinoma in an orthotopic mouse model of renal cell carcinoma. EUR UROL SUPPL 2022. [DOI: 10.1016/s2666-1683(22)02455-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022] Open
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Chung D, Lee J, Yoo S, Choo M, Cho M, Son H, Jeong H. Role of neutrophil-to-lymphocytes ratio in predicting non-complete response at 3 months evaluation after BCG induction in non-muscle invasive bladder cancer. EUR UROL SUPPL 2022. [DOI: 10.1016/s2666-1683(22)02587-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022] Open
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Kang S, Jeong H, Park J, Kim H, Kim YH, Sang-We K, Lee J, Choi CM, Yoon S, Lee D. 1167P Central nervous systemic efficacy of immune checkpoint inhibitors and concordance between intra/extracranial response in non-small cell lung cancer patients with brain metastasis. Ann Oncol 2022. [DOI: 10.1016/j.annonc.2022.07.1290] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2022] Open
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Leppä AM, Grimes K, Jeong H, Boch T, Karpova D, Jauch A, Grünschläger F, Dolnik A, Bullinger L, Krämer A, Sanders AD, Korbel JO, Trumpp A. S123: DECODING TRANSCRIPTOMIC AND EPIGENETIC CONSEQUENCES OF STRUCTURAL VARIANTS IN CK-AML AT SINGLE-CELL RESOLUTION. Hemasphere 2022. [DOI: 10.1097/01.hs9.0000843384.07955.cd] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
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Yoon S, Lim S, Jung H, Kim KP, Kim D, Jeong H, Lim S, Kim J, Kim J, Patel D, Zhao X, Horsburgh D, Yu D, Kim J, Kim S, Lee D. 50P Clinical characteristics, treatment patterns and outcomes of EGFR exon 20 insertion and other EGFR mutations in Korean aNSCLC patients. Ann Oncol 2022. [DOI: 10.1016/j.annonc.2022.02.059] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
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Noh H, Choi B, Jeong H, Moon W, Kim JK. Cover Image. Clin Otolaryngol 2021. [DOI: 10.1111/coa.13822] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Jeong H, Shin J, Jeong JH, Kim KP, Hong SM, Kim YI, Ryu JS, Ryoo BY, Yoo C. Capecitabine plus temozolomide in patients with grade 3 unresectable or metastatic gastroenteropancreatic neuroendocrine neoplasms with Ki-67 index <55%: single-arm phase II study. ESMO Open 2021; 6:100119. [PMID: 33901869 PMCID: PMC8099746 DOI: 10.1016/j.esmoop.2021.100119] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [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] [Subscribe] [Scholar Register] [Received: 03/02/2021] [Revised: 03/21/2021] [Accepted: 03/24/2021] [Indexed: 12/13/2022] Open
Abstract
BACKGROUND Grade 3 neuroendocrine neoplasms (NENs) of gastroenteropancreatic (GEP) origin with Ki-67 indices <55% do not respond well to platinum-based chemotherapy. The combination of capecitabine and temozolomide (CAPTEM) has shown favorable responses in grade 1-2 NENs, but has rarely been studied in patients with grade 3 NENs. PATIENTS AND METHODS This open-label, single-arm phase II trial included patients with unresectable or metastatic grade 3 NENs of GEP origin with Ki-67 indices <55% enrolled between June 2017 and July 2020. Patients received oral capecitabine 750 mg/m2 twice daily on days 1 to 14 and oral temozolomide 200 mg/m2 once daily on days 10 to 14 every 4 weeks. Histologic findings were centrally reviewed after the completion of enrollment. The primary endpoint was overall response rate, and the secondary endpoints were progression-free survival (PFS), overall survival (OS), and adverse events. RESULTS Of the 30 patients included in the full analysis set, 1 (3.3%) achieved complete response, 8 (26.7%) had partial responses, and 14 (46.7%) had stable disease, making the overall response rate 30.0%. At a median follow-up of 19.2 months, the median PFS was 5.9 months and the median OS was not reached. Patients with well-differentiated NENs showed significantly better median PFS (9.3 months versus 3.5 months, P = 0.005) and median OS (not reached versus 6.2 months, P = 0.004) than patients with poorly differentiated tumors. Expression of O6-methyl-guanine methyltransferase protein did not correlate with clinical outcomes. The most common grade 3-4 adverse events were thrombocytopenia (10%), anemia (6.7%), and nausea (6.7%). CONCLUSIONS CAPTEM was effective and well tolerated in patients with grade 3 GEP-NENs with Ki-67 indices <55%, with superior efficacy outcomes compared with the historical controls receiving platinum-based chemotherapy.
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Affiliation(s)
- H Jeong
- Department of Oncology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - J Shin
- Department of Pathology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - J H Jeong
- Department of Oncology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - K-P Kim
- Department of Oncology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - S-M Hong
- Department of Pathology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - Y-I Kim
- Department of Nuclear Medicine, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - J-S Ryu
- Department of Nuclear Medicine, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - B-Y Ryoo
- Department of Oncology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea.
| | - C Yoo
- Department of Oncology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea.
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Jeong H, Shin JE, Kim CH. Earwig Crawling in the Ear: Myth or Truth. Cureus 2021; 13:e14827. [PMID: 34094780 PMCID: PMC8172003 DOI: 10.7759/cureus.14827] [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] [Indexed: 11/17/2022] Open
Abstract
A 24-year-old man presented to our outpatient clinic with the left tinnitus and otalgia, which had awakened him early in the morning. Otoendoscopic examination revealed an earwig crawling in the external auditory canal. The earwig was carefully taken out with ear forceps. The tympanic membrane and external auditory canal were normal without traumatic lesions, and audiometric testing revealed normal hearing. Earwigs are insects of the order Dermaptera, and the name "earwig" originated from an ancient superstition that earwigs burrow through the external auditory canal and eat sleeping persons’ brains. Although this superstition turned out to be unfounded, the earwigs sometimes do enter the ear.
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Affiliation(s)
- Hamin Jeong
- Otorhinolaryngology, Konkuk University Medical Center, Seoul, KOR
| | - Jung Eun Shin
- Otorhinolaryngology, Konkuk University Medical Center, Seoul, KOR
| | - Chang-Hee Kim
- Otorhinolaryngology, Konkuk University Medical Center, Seoul, KOR
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Jeong J, Jeong H, Kim J, Ahn JH, Jung K, Kim SB. 119P Clinical efficacy of everolimus and CDK4/6 inhibitors in hormone receptor-positive, HER2-negative metastatic breast cancer by treatment sequence. Ann Oncol 2021. [DOI: 10.1016/j.annonc.2021.03.133] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
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Jeong H, Jeong J, Kim J, Ahn JH, Jung K, Koh SJ, Cheon J, Sohn J, Kim G, Lee K, Sim S, Park I, Kim SB. 103P Long-term results and bone-protective effect of everolimus added to letrozole and ovarian function suppression for premenopausal women with hormone receptor-positive, HER2-negative metastatic breast cancer: An updated analysis of the LEO study. Ann Oncol 2021. [DOI: 10.1016/j.annonc.2021.03.117] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022] Open
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Jeong H, Yim H, Oh I. Efficacy and safety of mesenchymal stem cell treatment in crohn’s disease: a systematic review and meta- analysis. Cytotherapy 2021. [DOI: 10.1016/s1465324921003443] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Noh H, Choi B, Jeong H, Moon WJ, Kim JK. Diagnosis of isolated congenital anosmia using simultaneous functional magnetic resonance imaging and olfactory event-related potentials: Our experience in six patients. Clin Otolaryngol 2021; 46:906-910. [PMID: 33725416 DOI: 10.1111/coa.13754] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2020] [Revised: 09/06/2020] [Accepted: 03/01/2021] [Indexed: 11/26/2022]
Affiliation(s)
- Haemin Noh
- Department of Otorhinolaryngology-Head and Neck Surgery, Konkuk University Medical Center, Konkuk University School of Medicine, Seoul, Korea
| | - BoYoon Choi
- Department of Otorhinolaryngology-Head and Neck Surgery, Konkuk University Medical Center, Konkuk University School of Medicine, Seoul, Korea
| | - Hamin Jeong
- Department of Otorhinolaryngology-Head and Neck Surgery, Konkuk University Medical Center, Konkuk University School of Medicine, Seoul, Korea
| | - Won-Jin Moon
- Department of Radiology, Konkuk University School of Medicine, Konkuk University Medical Center, Konkuk University School of Medicine, Seoul, Korea
| | - Jin Kook Kim
- Department of Otorhinolaryngology-Head and Neck Surgery, Konkuk University Medical Center, Konkuk University School of Medicine, Seoul, Korea
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Choi BY, Jeong H, Noh H, Park JY, Cho JH, Kim JK. Effects of Olfactory Training in Patients With Postinfectious Olfactory Dysfunction. Clin Exp Otorhinolaryngol 2021; 14:88-92. [PMID: 32575977 PMCID: PMC7904423 DOI: 10.21053/ceo.2020.00143] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2020] [Revised: 03/07/2020] [Accepted: 03/23/2020] [Indexed: 11/22/2022] Open
Abstract
OBJECTIVES Postinfectious olfactory dysfunction (PIOD) is the most common etiology of olfactory dysfunction, and olfactory training (OT) is an accepted treatment modality for PIOD. Some studies have investigated OT in Korean patients, but they involved odorants unfamiliar to Koreans or had no control group. The aim of this study was to verify the efficacy of OT in PIOD patients, using odorants familiar to Koreans and including a control group. METHODS We enrolled a total of 104 Korean patients with PIOD over the 3-year study period. All participants were assessed using endoscopy and an olfactory function test at the baseline assessment and 3 months after OT. The olfactory function test was performed using the Korean version of Sniffin' stick (KVSS) II. Nasal and psychological function was evaluated using a visual analog scale and the Mini-Mental State Examination. OT was performed over a period of 3 months, using five odorants (rose, lemon, cinnamon, orange, and peach). RESULTS OT improved olfactory function in approximately 40% of subjects over a period of 12 weeks compared to non-OT subjects. A comparison of changes between the initial and follow-up assessments demonstrated that the OT group had significantly better olfactory results for the total KVSS II, threshold, and identification scores than the non-OT group. The degree of olfactory improvement after OT was affected by the initial score. CONCLUSION The effects of OT in patients with PIOD were demonstrated in this study. A meaningful contribution of this study is that Korean patients were tested using odors familiar to them in comparison with a control group.
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Affiliation(s)
- Bo Yoon Choi
- Department of Otorhinolaryngology-Head and Neck Surgery, Konkuk University School of Medicine, Seoul, Korea
| | - Hamin Jeong
- Department of Otorhinolaryngology-Head and Neck Surgery, Konkuk University School of Medicine, Seoul, Korea
| | - Haemin Noh
- Department of Otorhinolaryngology-Head and Neck Surgery, Konkuk University School of Medicine, Seoul, Korea
| | - Joon Yong Park
- Department of Otorhinolaryngology-Head and Neck Surgery, Konkuk University School of Medicine, Seoul, Korea
| | - Jae Hoon Cho
- Department of Otorhinolaryngology-Head and Neck Surgery, Konkuk University School of Medicine, Seoul, Korea
| | - Jin Kook Kim
- Department of Otorhinolaryngology-Head and Neck Surgery, Konkuk University School of Medicine, Seoul, Korea
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Jeong H, Lee DH, Shin JE, Kim CH. Positional nystagmus in middle ear cholesteatoma with labyrinthine fistula. Med Hypotheses 2020; 144:110223. [PMID: 33254530 DOI: 10.1016/j.mehy.2020.110223] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2020] [Revised: 07/31/2020] [Accepted: 08/24/2020] [Indexed: 02/06/2023]
Abstract
Chronic otitis media with cholesteatoma can cause erosion of the dense labyrinthine bone overlying the inner ear organs, and this labyrinthine fistula allows pressure or mass-induced motion of the underlying perilymphatic and endolymphatic compartment, evoking vestibular symptoms. While the mechanism of a positive fistula test, which is conducted by increasing or decreasing the external auditory canal pressure, has been well established, the mechanism underlying positional nystagmus in labyrinthine fistula has not been discussed yet. In the present study, we propose a new hypothesis accounting for positional nystagmus in labyrinthine fistula involving the lateral semicircular canal (LSCC), i.e., the change in intracranial cerebrospinal fluid pressure by position change is transmitted to the perilymphatic space, causing ampullopetal (excitatory) or ampullofugal (inhibitory) deflection of the LSCC cupula.
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Affiliation(s)
- Hamin Jeong
- Department of Otorhinolaryngology-Head and Neck Surgery, Konkuk University Medical Center, Research Institute of Medical Science, Konkuk University School of Medicine, Seoul, Republic of Korea
| | - Dong-Han Lee
- Department of Otorhinolaryngology-Head and Neck Surgery, Konkuk University Medical Center, Research Institute of Medical Science, Konkuk University School of Medicine, Seoul, Republic of Korea
| | - Jung Eun Shin
- Department of Otorhinolaryngology-Head and Neck Surgery, Konkuk University Medical Center, Research Institute of Medical Science, Konkuk University School of Medicine, Seoul, Republic of Korea
| | - Chang-Hee Kim
- Department of Otorhinolaryngology-Head and Neck Surgery, Konkuk University Medical Center, Research Institute of Medical Science, Konkuk University School of Medicine, Seoul, Republic of Korea.
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Jeong H, Choi B, Lee J, Kim KS, Min SJ, Kim JK. Prevalence and characteristics of S-point bleeding compared to non S-point bleeding in severe epistaxis. Braz J Otorhinolaryngol 2020; 87:462-468. [PMID: 33012702 PMCID: PMC9422729 DOI: 10.1016/j.bjorl.2020.07.008] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [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: 04/22/2020] [Revised: 06/30/2020] [Accepted: 07/17/2020] [Indexed: 12/04/2022] Open
Abstract
Introduction Stamm's S-point is gaining importance as a bleeding focus in severe epistaxis. However, prevalence and features of S-point bleeding compared to non S-point bleeding have not been studied. Objective To investigate the characteristics of patients with S-point bleeding among those with severe epistaxis and to compare the factors involved in the treatment of epistaxis. Methods We retrospectively analyzed medical records of 268 patients admitted to the otorhinolaryngology department of Konkuk University Hospital and Chung-Ang University Hospital with epistaxis of which the bleeding focus clarified. Patients with anterior nasal bleeding (n = 129) were excluded. The study was conducted at the department of otorhinolaryngology from January 2008 to August 2019. Collected data included patients’ demographic information, bleeding focus, body mass index underlying medical and sinonasal diseases, laboratory test results (initial hemoglobin, platelet count, and triglyceride level), use of anticoagulants, direction of epistaxis, initial and final treatments, and need for blood transfusion. Results The prevalence of S-point bleeding was 28.8% of non-anterior bleeding cases. Mean body mass index score was lower in the S-point group (23.41 ± 3.71) compared to the non S-point group (24.93 ± 3.97) (p = 0.039). Underweight patients tended to show a greater incidence of S-point bleeding (15.0%) than non S-point bleeding (2.0%) (p = 0.010). Incidence of anemia was higher in the S-point group (67.5%) than in the non S-point group (36.4%). Anemia (Odds ratio [OR]: 3.635; 95% confidence interval [CI]: 1.669-7.914, p = 0.001) and underweight (body mass index < 18.5, OR: 8.559, CI: 1.648-44.445, p = 0.011) were significantly associated with S-point bleeding. Conclusion Prevalence of S-point bleeding was significant, underlining the importance of examining the S-point in patients with severe epistaxis. Patients with S-point bleeding had lower body mass index scores and a higher incidence of anemia than those with non S-point bleeding.
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Affiliation(s)
- Hamin Jeong
- Konkuk University Medical Center, Konkuk University School of Medicine, Department of Otorhinolaryngology-Head and Neck Surgery, Seoul, Republic of Korea
| | - BoYoon Choi
- Konkuk University Medical Center, Konkuk University School of Medicine, Department of Otorhinolaryngology-Head and Neck Surgery, Seoul, Republic of Korea
| | - Jiyeon Lee
- Konkuk University Medical Center, Konkuk University School of Medicine, Department of Otorhinolaryngology-Head and Neck Surgery, Seoul, Republic of Korea
| | - Kyung Soo Kim
- Chung-Ang University, College of Medicine, Department of Otorhinolaryngology-Head and Neck Surgery, Seoul, Republic of Korea
| | - Sung Jin Min
- Chung-Ang University, College of Medicine, Department of Otorhinolaryngology-Head and Neck Surgery, Seoul, Republic of Korea
| | - Jin Kook Kim
- Konkuk University Medical Center, Konkuk University School of Medicine, Department of Otorhinolaryngology-Head and Neck Surgery, Seoul, Republic of Korea.
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Chung J, Hong S, Chung H, Seo I, Kwon T, Jeong H, Chung J, Jeon S, Park J, Ha H, Chung B, Song W, Kim Y, Kim S, Lee J. PCN7 Adverse Events (AES) of Advanced Renal CELL Carcinoma (RCC) Patients Treated with Targeted Therapies in Real World Setting in Korea. Value Health Reg Issues 2020. [DOI: 10.1016/j.vhri.2020.07.057] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Yoo S, Oh S, Yun J, Kwon O, Suh J, Park J, Choo M, Cho M, Jeong H, Won S, Son H. Optimal high-density lipoprotein cholesterol level for decreasing benign prostatic hyperplasia in men not taking statin medication: A historical cohort study. EUR UROL SUPPL 2020. [DOI: 10.1016/s2666-1683(20)33357-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022] Open
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Moon H, Lee H, Jeong H. P-60 Tolerability of adjuvant chemotherapy with TS-1 or XELOX regimen in elderly patients with stage II or III gastric cancer after D2 gastrectomy. Ann Oncol 2020. [DOI: 10.1016/j.annonc.2020.04.142] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022] Open
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Suh J, Koh Y, Yoo S, Kwon O, Park J, Choo M, Cho S, Cho M, Son H, Jeong H. Development and validation of ensemble machine-learning based web-embedded decision supporting tool for prostate biopsy. EUR UROL SUPPL 2020. [DOI: 10.1016/s2666-1683(20)32669-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
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Suh J, Lee J, Yoo S, Park J, Son H, Jeong H, Kim S, Paick J, Cho M. Restoration of cavernosal veno-occlusive function through chronic administration of both a JNK inhibitor and a LIMK2 inhibitor in a rat model of cavernosal nerve injury: A comparison with a PDE5 inhibitor. EUR UROL SUPPL 2020. [DOI: 10.1016/s2666-1683(20)33221-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022] Open
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Lee J, Choi B, Noh H, Jeong H, Shin JE, Kim CH. Nystagmus in Ramsay Hunt syndrome with or without dizziness. Neurol Sci 2020; 42:193-198. [PMID: 32592105 DOI: 10.1007/s10072-020-04536-w] [Citation(s) in RCA: 2] [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] [Received: 02/28/2020] [Accepted: 06/21/2020] [Indexed: 12/22/2022]
Abstract
BACKGROUND The presence of dizziness has been reported as a negative prognostic factor for recovery of facial palsy in Ramsay Hunt syndrome (RHS). The aim of this study was to investigate the incidence and patterns of nystagmus in RHS patients without dizziness, and discuss possible mechanisms. We also compared the severity and prognosis of facial palsy between RHS patients with and without dizziness. METHODS From January 2014 to January 2019, 36 patients diagnosed with RHS (27 with dizziness and 9 without dizziness) were included. Patterns of nystagmus were examined and categorized using video-nystagmography. House-Brackmann(HB) grade of facial palsy was compared between RHS patients with and without dizziness. RESULTS Not only RHS patients with dizziness exhibited nystagmus in most cases (96%, 26 of 27) but also as many as 67% (6 of 9) of RHS patients without dizziness exhibited nystagmus, though the intensity was remarkably weak. In both groups of RHS with and without dizziness, direction-fixed nystagmus and direction-changing positional nystagmus were observed. Initial HB grade and recovery of facial palsy after treatment were not significantly different between RHS with and without dizziness. CONCLUSION Various patterns of nystagmus including direction-fixed and positional direction-changing nystagmus were observed in RHS patients, and inflammation of the vestibular nerve and inner ear end organs may be responsible for the production of nystagmus in these patients. The results support that the evaluation of vestibular function may be necessary even in RHS patients who do not complain of dizziness or vertigo.
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Affiliation(s)
- Jiyeon Lee
- Department of Otorhinolaryngology-Head and Neck Surgery, Konkuk University Medical Center, Research Institute of Medical Science, Konkuk University School of Medicine, 120-1 Neungdong-ro, Gwangjin-gu, Seoul, 05030, Republic of Korea
| | - BoYoon Choi
- Department of Otorhinolaryngology-Head and Neck Surgery, Konkuk University Medical Center, Research Institute of Medical Science, Konkuk University School of Medicine, 120-1 Neungdong-ro, Gwangjin-gu, Seoul, 05030, Republic of Korea
| | - Haemin Noh
- Department of Otorhinolaryngology-Head and Neck Surgery, Konkuk University Medical Center, Research Institute of Medical Science, Konkuk University School of Medicine, 120-1 Neungdong-ro, Gwangjin-gu, Seoul, 05030, Republic of Korea
| | - Hamin Jeong
- Department of Otorhinolaryngology-Head and Neck Surgery, Konkuk University Medical Center, Research Institute of Medical Science, Konkuk University School of Medicine, 120-1 Neungdong-ro, Gwangjin-gu, Seoul, 05030, Republic of Korea
| | - Jung Eun Shin
- Department of Otorhinolaryngology-Head and Neck Surgery, Konkuk University Medical Center, Research Institute of Medical Science, Konkuk University School of Medicine, 120-1 Neungdong-ro, Gwangjin-gu, Seoul, 05030, Republic of Korea
| | - Chang-Hee Kim
- Department of Otorhinolaryngology-Head and Neck Surgery, Konkuk University Medical Center, Research Institute of Medical Science, Konkuk University School of Medicine, 120-1 Neungdong-ro, Gwangjin-gu, Seoul, 05030, Republic of Korea.
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Yoo S, Suh J, Park J, Cho S, Jeong H, Son H, Oh S, Paick J, Cho M. 329 Does Preoperative Bladder Compliance Affect Long-term Functional Outcomes after Laser Prostatectomy? J Sex Med 2020. [DOI: 10.1016/j.jsxm.2019.11.149] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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Bang Y, Jeong H, Im HS, Park S. Prognostic value of metabolic response assessed by 18FDG-PET after induction chemotherapy and after chemoradiotherapy (CRT) in localized esophageal squamous cell carcinoma (ESCC) patients (pts) receiving definite CRT (dCRT). Ann Oncol 2019. [DOI: 10.1093/annonc/mdz247.088] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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Jeong H, Ahn H, Lee E, Gook J. Usefulness of chest ultrasonography for prediction of pleural adhesion and postoperative severe pain in thoracoscopic surgery. J Cardiothorac Vasc Anesth 2019. [DOI: 10.1053/j.jvca.2019.07.065] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Moon H, Jeong H. Self-expandable metal stent (SEMS) for esophageal-gastric junction versus pyloric area obstruction in advanced gastric cancer patients: a retrospective, comparative, single-center study. Ann Oncol 2019. [DOI: 10.1093/annonc/mdz155.063] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Lee H, Kim J, Kang S, Moon H, Sung J, Jeong H. Treatment efficacy of endoscopic submucosal dissection for papillary adenocarcinoma-type early gastric cancer. Ann Oncol 2019. [DOI: 10.1093/annonc/mdz155.117] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Kim MD H, Choi Y, Lee M, Jeong H, Lee J, Park H. MON-129 SERUM PHOSPHOROUS IS THE INDEPENDENT RISK FACTOR FOR VASCULAR ACCESS DYSFUNCTION IN HEMODIALYSIS PATIENTS. Kidney Int Rep 2019. [DOI: 10.1016/j.ekir.2019.05.920] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
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Yim H, Jeong H, Hwang G. Efficacies of stem cell therapies for functional improvement of the β cell in patients with diabetes: A systematic review of controlled clinical trials. Cytotherapy 2019. [DOI: 10.1016/j.jcyt.2019.03.410] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Yim H, Jeong H, Oh I. Efficacy and safety of mesenchymal stem cell therapies for patients with multiple sclerosis: a systematic review and single arm meta-analysis. Cytotherapy 2019. [DOI: 10.1016/j.jcyt.2019.03.409] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Ahn D, Teo YS, Jeong H, Bouchard F, Hufnagel F, Karimi E, Koutný D, Řeháček J, Hradil Z, Leuchs G, Sánchez-Soto LL. Adaptive Compressive Tomography with No a priori Information. Phys Rev Lett 2019; 122:100404. [PMID: 30932629 DOI: 10.1103/physrevlett.122.100404] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/17/2018] [Indexed: 06/09/2023]
Abstract
Quantum state tomography is both a crucial component in the field of quantum information and computation and a formidable task that requires an incogitable number of measurement configurations as the system dimension grows. We propose and experimentally carry out an intuitive adaptive compressive tomography scheme, inspired by the traditional compressed-sensing protocol in signal recovery, that tremendously reduces the number of configurations needed to uniquely reconstruct any given quantum state without any additional a priori assumption whatsoever (such as rank information, purity, etc.) about the state, apart from its dimension.
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Affiliation(s)
- D Ahn
- Department of Physics and Astronomy, Seoul National University, 08826 Seoul, South Korea
| | - Y S Teo
- Department of Physics and Astronomy, Seoul National University, 08826 Seoul, South Korea
| | - H Jeong
- Department of Physics and Astronomy, Seoul National University, 08826 Seoul, South Korea
| | - F Bouchard
- Physics Department, University of Ottawa, 25 Templeton Street, Ottawa, Ontario, K1N 6N5 Canada
| | - F Hufnagel
- Physics Department, University of Ottawa, 25 Templeton Street, Ottawa, Ontario, K1N 6N5 Canada
| | - E Karimi
- Physics Department, University of Ottawa, 25 Templeton Street, Ottawa, Ontario, K1N 6N5 Canada
| | - D Koutný
- Department of Optics, Palacký University, 17. listopadu 12, 77146 Olomouc, Czech Republic
| | - J Řeháček
- Department of Optics, Palacký University, 17. listopadu 12, 77146 Olomouc, Czech Republic
| | - Z Hradil
- Department of Optics, Palacký University, 17. listopadu 12, 77146 Olomouc, Czech Republic
| | - G Leuchs
- Max-Planck-Institut für die Physik des Lichts, Staudtstraße 2, 91058 Erlangen, Germany
| | - L L Sánchez-Soto
- Max-Planck-Institut für die Physik des Lichts, Staudtstraße 2, 91058 Erlangen, Germany
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Han K, Lee J, Choi BY, Jeong H, Cho JH, Kim JK. Does Improved Attention Induced by Caffeine Intake Affect Olfactory Function? Clin Exp Otorhinolaryngol 2019; 13:52-57. [PMID: 30813710 PMCID: PMC7010495 DOI: 10.21053/ceo.2018.01424] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [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: 10/04/2018] [Accepted: 12/20/2018] [Indexed: 11/27/2022] Open
Abstract
Objectives Past several studies have proven that caffeine facilitates attentional enhancement by acting as an adenosine antagonist once it is absorbed by the body, resulting in improved psycho-behavioral function. Modern clinical olfactory function tests are usually assessed by psychophysical tests but due to a paucity of data, the influence of enhanced attention by caffeine on olfactory function still remains unclear. The objective of this study was to compare results of cognitive function (attention) and olfactory function before and after caffeine administration in order to analyze effects of caffeine on olfactory function in normosmic subjects. Methods This study enrolled 49 participants of Konkuk University Hospital with a mean age of 27.7 years who had patent olfactory clefts and no olfactory dysfunction from May 2015 to February 2016. Subjects were restrained from caffeine 10 hours before the test. On day 1, participant’s subjective olfactory function was evaluated before and after uptake of either caffeinated or decaffeinated coffee using visual analog scale (VAS) score, minimum cross-sectional area (MCA) measured by acoustic rhinometry, and the Korean version of Sniffin’ Stick II (KVSS II). Evaluation of participant’s attentional degree was measured by d2 test. On day 2, the same procedure was carried out with counterpart substance. The type of coffee initially administrated was randomly selected. Results After administration, caffeinated coffee resulted in significant attentional enhancement than decaffeinated coffee. Results of d2 test showed statistically significant differences in the parameters of total number of errors and omission errors. In both the caffeinated and decaffeinated groups, the patients showed slight increase in VAS score and nasal cavity area; however, the difference was not statistically significant. Also, caffeinated coffee intake compared to decaffeinated coffee intake showed no significant relevance to olfactory function. Conclusion Caffeine may significantly improve attentional congnitive function, while not have acute effects on olfactory function.
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Affiliation(s)
- Kyujin Han
- Department of Otorhinolaryngology-Head and Neck Surgery, Konkuk University School of Medicine, Seoul, Korea
| | - Jiyeon Lee
- Department of Otorhinolaryngology-Head and Neck Surgery, Konkuk University School of Medicine, Seoul, Korea
| | - Bo Yoon Choi
- Department of Otorhinolaryngology-Head and Neck Surgery, Konkuk University School of Medicine, Seoul, Korea
| | - Hamin Jeong
- Department of Otorhinolaryngology-Head and Neck Surgery, Konkuk University School of Medicine, Seoul, Korea
| | - Jae Hoon Cho
- Department of Otorhinolaryngology-Head and Neck Surgery, Konkuk University School of Medicine, Seoul, Korea
| | - Jin Kook Kim
- Department of Otorhinolaryngology-Head and Neck Surgery, Konkuk University School of Medicine, Seoul, Korea
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Bae S, Yu J, Jeong H, Oh T. Anti-pruritic effect of topical capsaicin against histamine-induced pruritus on canine skin. Pol J Vet Sci 2019; 21:789-796. [PMID: 30605274 DOI: 10.24425/pjvs.2018.125599] [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] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
Several human studies have reported that capsaicin has anti-pruritic effects. Moreover, sever- al concentrations of topical capsaicin have been used to alleviate itch. The aim of this study was to investigate the anti-pruritic effect of capsaicin against histamine-induced pruritus compared with that of topical steroid or vehicle in 15 healthy beagles. Fifteen dogs were divided into three groups (n = 5 each), and treated topically with one of the following on the left side of the neck: capsaicin, positive control (steroid), or negative control (vehicle). Each treatment was performed twice daily for 8 days. All dogs were injected with histamine intradermally before treatment and on the 2nd, 4th, 6th, and 8th days of the treatment to evoke itch. Pruritus, wheal, and erythema intensity were assessed at each evaluation; cutaneous temperature was also recorded. On the final day, skin biopsy was conducted for histopathological evaluation for all dogs. The severity of pruritus was lesser in the capsaicin-treated group compared with the negative control group on day 8 (p⟨0.05). In the capsaicin and steroid groups, wheal size, erythema index, and cutaneous temperature also decreased compared with pretreatment. Histopathological evaluation showed that the capsaicin-treated group had a higher number of inflammatory cells in the dermis com- pared to the vehicle control group; however, the steroid-treated group showed less severe inflam- matory reactions than the vehicle control group. These results suggest that capsaicin cannot reduce inflammation but may play a helpful role in reducing pruritus in dogs.
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Affiliation(s)
- S Bae
- Department of Veterinary Internal Medicine, College of Veterinary Medicine, Kyunpook National University, Daegu 41566, Republic of Korea
| | - J Yu
- Department of Veterinary Internal Medicine, College of Veterinary Medicine, Kyunpook National University, Daegu 41566, Republic of Korea
| | - H Jeong
- Department of Veterinary Internal Medicine, College of Veterinary Medicine, Kyunpook National University, Daegu 41566, Republic of Korea
| | - T Oh
- Department of Veterinary Internal Medicine, College of Veterinary Medicine, Kyunpook National University, Daegu 41566, Republic of Korea
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Ryu D, Lee S, Lee S, Jeong H, Lee C, Lee J. Genomic analysis of Rhodococcus sp. BH4 reveals two genes encoding different types of AHL-lactonase for quorum quenching. N Biotechnol 2018. [DOI: 10.1016/j.nbt.2018.05.900] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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Kim E, Choi K, Baek J, Lee Y, Jeong H, Park E, Moon S, Cho Y, Lee J, Kim B, Kim Y, Kim Y, Koong M, Kang I, Yoon T, Lee J. Age of women, the AMH level and the number of oocytes has co-related with aneuploidy ratios as preimplantation genetic screening indicator. Fertil Steril 2018. [DOI: 10.1016/j.fertnstert.2018.07.1207] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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Choi Y, Kim M, Jung K, Choo S, Kim J, Jeong H, Chung M. Expression patten of miR-200 and Let-7 target gene in human endometrial stromal cells and endoemtrial tissues collected during menstrual cycle. Fertil Steril 2018. [DOI: 10.1016/j.fertnstert.2018.07.678] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Kim J, Ahn H, Yang M, Jeong H, Lee JE, Sung B. Effect of intraoperative dexmedetomidine on the postoperative agitation in thoracic surgery. J Cardiothorac Vasc Anesth 2018. [DOI: 10.1053/j.jvca.2018.08.044] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Jeong H, Ahn H, Kim J, Yang M, Son YH, Lee J, Song I. Preventive use of corticosteroids and postoperative complications after oesophagectomy. J Cardiothorac Vasc Anesth 2018. [DOI: 10.1053/j.jvca.2018.08.139] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Park J, Moon H, Kwon I, Kim J, Kang S, Lee E, Kim S, Sung J, Lee B, Jeong H. Usefulness of colonic tattooing using ICG in patients with colorectal tumors. Ann Oncol 2018. [DOI: 10.1093/annonc/mdy150.012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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Moon H, Kang S, Sung J, Jeong H. Endoscopic prediction of tumor invasion depth in early gastric signet ring cell carcinoma. Ann Oncol 2018. [DOI: 10.1093/annonc/mdy150] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Lee Y, Kang K, Choi HS, Ha I, Jeong H, Song J, Jeong B. 207P A comparison of outcomes of stereotactic body radiotherapy versus metastasectomy in patients with pulmonary metastases. J Thorac Oncol 2018. [DOI: 10.1016/s1556-0864(18)30480-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Shin H, Jeong H, Kim H, Lee J, Choi Y. Chronic progressive myopathy in a young patient with hyperkalemic periodic paralysis. Neuromuscul Disord 2017. [DOI: 10.1016/j.nmd.2017.06.261] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Lee J, Jeong H, Kim J, Tchah H, Kim K, Kim M. Two photon microscopic findings of sonoporation-assisted enhancement of corneal penetration of fluoroquinolone antibiotics. Acta Ophthalmol 2017. [DOI: 10.1111/j.1755-3768.2017.02385] [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] [Indexed: 11/28/2022]
Affiliation(s)
- J.A. Lee
- Ophthalmology; Seoul Asan Medical Center; Seoul Korea
| | - H. Jeong
- Ophthalmology; Cheil Eye Hospital; Daegu Korea
| | - J.Y. Kim
- Ophthalmology; Seoul Asan Medical Center; Seoul Korea
| | - H. Tchah
- Ophthalmology; Seoul Asan Medical Center; Seoul Korea
| | - K.H. Kim
- Biomedical Optics Laboratory; POSTECH; Pohang Korea
| | - M.J. Kim
- Ophthalmology; Seoul Asan Medical Center; Seoul Korea
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Kim M, Park J, Choi M, Noe E, Jeong H, Kim M, Lee H, Chung M. Genes associated with natural killer cell-mediated cytotoxicity in the endometrium of RIF patients according to the levels of peripheral blood natural killer cells and menstrual cycle. Fertil Steril 2017. [DOI: 10.1016/j.fertnstert.2017.07.1061] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Kim SH, Han WS, Jeong TY, Lee HR, Jeong H, Lee D, Shim SB, Kim DS, Ahn KJ, Yee KJ. Broadband Surface Plasmon Lasing in One-dimensional Metallic Gratings on Semiconductor. Sci Rep 2017; 7:7907. [PMID: 28801608 PMCID: PMC5554227 DOI: 10.1038/s41598-017-08355-6] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2017] [Accepted: 07/10/2017] [Indexed: 11/09/2022] Open
Abstract
We report surface plasmon (SP) lasing in metal/semiconductor nanostructures, where one-dimensional periodic silver slit gratings are placed on top of an InGaAsP layer. The SP nature of the lasing is confirmed from the emission wavelength governed by the grating period, polarization analysis, spatial coherence, and comparison with the linear transmission. The excellent performance of the device as an SP source is demonstrated by its tunable emission in the 400-nm-wide telecom wavelength band at room temperature. We show that the stimulated emission enhanced by the Purcell effect enables successful SP lasing at high energies above the gap energy of the gain. We also discuss the dependence of the lasing efficiency on temperature, grating dimension, and type of metal.
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Affiliation(s)
- Seung-Hyun Kim
- Department of Physics, Chungnam National University, Daejeon, 34134, South Korea.,Korea Basic Science Institute, Daejeon, 34134, South Korea
| | - Won Seok Han
- Electronics and Telecommunications Research Institute, Daejeon, 34129, South Korea
| | - Tae-Young Jeong
- Department of Physics, Chungnam National University, Daejeon, 34134, South Korea
| | - Hyang-Rok Lee
- Department of Physics, Chungnam National University, Daejeon, 34134, South Korea
| | - H Jeong
- Department of Physics, Chungnam National University, Daejeon, 34134, South Korea
| | - D Lee
- Department of Physics, Chungnam National University, Daejeon, 34134, South Korea
| | - Seung-Bo Shim
- Korea Research Institute of Standards and Science, Daejeon, 34113, South Korea
| | - Dai-Sik Kim
- Department of Physics and Astronomy, Seoul National University, Seoul, 08826, South Korea
| | - Kwang Jun Ahn
- Department of Energy Systems Research and Department of Physics, Ajou University, Suwon, 16499, South Korea.
| | - Ki-Ju Yee
- Department of Physics, Chungnam National University, Daejeon, 34134, South Korea.
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Park M, Lee M, Jeong H. USABILITY TEST OF WEB BASED PROGRAM FOR FAMILY CAREGIVERS. Innov Aging 2017. [DOI: 10.1093/geroni/igx004.4051] [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] [Indexed: 11/13/2022] Open
Affiliation(s)
- M. Park
- College of Nursing, Chungnam National University, Daejeon, Korea (the Republic of)
| | - M. Lee
- College of Nursing, Chungnam National University, Daejeon, Korea (the Republic of)
| | - H. Jeong
- College of Nursing, Chungnam National University, Daejeon, Korea (the Republic of)
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Jeong H, Oem JK, Yang MS, Yang D, Kim MS, Lee KH, Lee MH, Lim CW, Kim B. Experimental Infection of Goats with a Newly Isolated Strain of Akabane Virus that Causes Encephalomyelitis. J Comp Pathol 2017; 157:220-229. [PMID: 28673487 DOI: 10.1016/j.jcpa.2017.05.003] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [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: 03/03/2017] [Revised: 05/11/2017] [Accepted: 05/26/2017] [Indexed: 11/24/2022]
Abstract
In 2010, there was a large-scale outbreak of bovine encephalomyelitis in Korea, and 15 new strains of Akabane virus (AKAV) were isolated. To identify the pathogenicity of one of these strains, we infected adult goats with AKAV-7 via different routes. Twenty-five female goats were used in this study and were divided into five groups: intracerebral (IC) and intrasubarachnoid (IS) viral inoculation (n = 8 each), intravenous (IV) inoculation (n = 4), and vaccinated before IV inoculation (n = 4), in addition to a negative control animal. All animals inoculated with AKAV-7 had AKAV-neutralizing antibodies at 6-8 days post infection (dpi). During the experimental period, infected animals showed no clinical signs. In the IC group, 5/8 goats had non-suppurative encephalomyelitis affecting the cerebrum. Virus S RNA segments were detected in nearly all areas of the brain. In the IS group, 3/8 goats had encephalomyelitis affecting the cerebrum, cerebellum and spinal cord. At 7 and 21 dpi, virus S RNA segments were found mostly in the spinal cord, especially around the area of injection (L5-L6). Antibody titres in the serum of the vaccinated group had an early onset and slightly increased titre compared with the IV group. Histopathologically, there were no obvious lesions in the central nervous tissues in the vaccinated group, while one of four goats in the IV group showed encephalomyelitis in the parietal lobe of the cerebrum. The newly isolated AKAV-7 can cause encephalomyelitis in goats after experimental injection. The attenuated AKAV vaccine currently used in Korea may provide partial protective immunity against AKAV-7 infection, but the real effect of the vaccine requires further investigation in goats.
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Affiliation(s)
- H Jeong
- College of Veterinary Medicine and Korea Zoonosis Research Institute, Chonbuk National University, Iksan City, Republic of Korea
| | - J-K Oem
- College of Veterinary Medicine and Korea Zoonosis Research Institute, Chonbuk National University, Iksan City, Republic of Korea; Animal Disease Diagnostic Division, Animal and Plant Quarantine Agency, Anyang, Republic of Korea
| | - M-S Yang
- College of Veterinary Medicine and Korea Zoonosis Research Institute, Chonbuk National University, Iksan City, Republic of Korea
| | - D Yang
- College of Veterinary Medicine and Korea Zoonosis Research Institute, Chonbuk National University, Iksan City, Republic of Korea
| | - M-S Kim
- College of Veterinary Medicine and Korea Zoonosis Research Institute, Chonbuk National University, Iksan City, Republic of Korea
| | - K-H Lee
- Animal Disease Diagnostic Division, Animal and Plant Quarantine Agency, Anyang, Republic of Korea
| | - M-H Lee
- Animal Disease Diagnostic Division, Animal and Plant Quarantine Agency, Anyang, Republic of Korea
| | - C-W Lim
- College of Veterinary Medicine and Korea Zoonosis Research Institute, Chonbuk National University, Iksan City, Republic of Korea
| | - B Kim
- College of Veterinary Medicine and Korea Zoonosis Research Institute, Chonbuk National University, Iksan City, Republic of Korea.
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