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Choi SY, Choi KD, Choi JH, Kim JS. Abnormal vestibular-evoked myogenic potentials as a risk factor for unpredicted falls in spinocerebellar ataxia: a preliminary study. J Neurol 2024; 271:2539-2546. [PMID: 38278980 PMCID: PMC11055768 DOI: 10.1007/s00415-024-12195-6] [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: 10/14/2023] [Revised: 01/04/2024] [Accepted: 01/14/2024] [Indexed: 01/28/2024]
Abstract
OBJECTIVE This study aimed to correlate the symptoms and signs with the findings of laboratory vestibular function tests in patients with spinocerebellar ataxia (SCA). METHOD We retrospectively recruited 26 patients with SCA (9 men, median age: 52, age range: 21-67). Assessments included Dizziness Handicap Inventory, EuroQoL Five-Dimension, symptom questionnaires manifesting during walking in daily life, the Scale for the Assessment and Rating of Ataxia (SARA), and vestibular function tests including 3D video-oculography, video head impulse test, subjective visual vertical, and cervical and ocular vestibular evoked myogenic potentials (VEMP). RESULTS Cross-analyses revealed that the patients with VEMP abnormalities showed higher SARA (p = 0.014) and prevalence of unpredictable falls (p = 0.046). The patients with SCA1 more frequently had unpredictable falls (75%, p = 0.038) and VEMP abnormalities (88%, p = 0.001) compared to SCA2 (29% falls, 17% VEMP abnormalities) and SCA6 (no falls or VEMP abnormalities). CONCLUSION Abnormal VEMPs are strongly associated with unpredicted falls in patients with SCA, particularly in those with SCA1. Impaired processing of otolithic information may contribute to falls in SCAs, and VEMP may help identifying the patients with a risk for unpredicted falls and preventing fall-related injuries in SCA. Limited number of patients with lower SARA scores warrant further confirmatory studies.
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Affiliation(s)
- Seo-Young Choi
- Department of Neurology, Pusan National University Hospital, Pusan National University School of Medicine and Biomedical Research Institute, Busan, South Korea
| | - Kwang-Dong Choi
- Department of Neurology, Pusan National University Hospital, Pusan National University School of Medicine and Biomedical Research Institute, Busan, South Korea
| | - Jae-Hwan Choi
- Department of Neurology, Research Institute for Convergence of Biomedical Science and Technology, Pusan National University Yangsan Hospital, Pusan National University School of Medicine, Yangsan, South Korea
| | - Ji-Soo Kim
- Department of Neurology, Dizziness Center, and Clinical Neuroscience Center, Seoul National University Bundang Hospital, 173-82 Gumi-ro, Bundang-gu , Seongnam-si, Gyeonggi-do, 13620, South Korea.
- Department of Neurology, Seoul National University College of Medicine, Seoul, South Korea.
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Suh JH, Choi SY, Huh YJ, Lee JH, Choi SJ, Park CG, Kim HJ, Ujiie H, Jin SP, Kim JE. Spatial transcriptomics of pemphigus vulgaris and bullous pemphigoid: Insights into pathogenesis and therapy on bullous formation. J Eur Acad Dermatol Venereol 2024. [PMID: 38433529 DOI: 10.1111/jdv.19924] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2023] [Accepted: 02/16/2024] [Indexed: 03/05/2024]
Affiliation(s)
- Joong Heon Suh
- Department of Biomedical Sciences, Seoul National University Graduate School, Seoul, Korea
- Institute of Human-Environmental Interface Biology, Medical Research Center, Seoul National University, Seoul, Korea
- Department of Dermatology, Seoul National University College of Medicine, Seoul, Korea
| | - Seo-Young Choi
- Department of Biomedical Sciences, Seoul National University Graduate School, Seoul, Korea
| | - Yun Jung Huh
- Department of Dermatology, Hanyang University College of Medicine, Seoul, Korea
| | - Jung Ho Lee
- Department of Biomedical Sciences, Seoul National University Graduate School, Seoul, Korea
| | - So-Jung Choi
- Department of Biomedical Sciences, Seoul National University Graduate School, Seoul, Korea
| | - Chung-Gyu Park
- Department of Biomedical Sciences, Seoul National University Graduate School, Seoul, Korea
- Department of Microbiology and Immunology, Seoul National University College of Medicine, Seoul, Korea
- Seoul National University Hospital, Seoul, Korea
| | - Hyun Je Kim
- Department of Biomedical Sciences, Seoul National University Graduate School, Seoul, Korea
- Department of Microbiology and Immunology, Seoul National University College of Medicine, Seoul, Korea
- Seoul National University Hospital, Seoul, Korea
| | - Hideyuki Ujiie
- Department of Dermatology, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan
| | - Seon-Pil Jin
- Institute of Human-Environmental Interface Biology, Medical Research Center, Seoul National University, Seoul, Korea
- Department of Dermatology, Seoul National University College of Medicine, Seoul, Korea
- Department of Dermatology, Seoul National University Hospital, Seoul, Korea
| | - Jeong Eun Kim
- Department of Dermatology, Hanyang University College of Medicine, Seoul, Korea
- Hanyang Institute of Bioscience and Biotechnology, Hanyang University, Seoul, Korea
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Ju HM, Kim HW, Choi SY, Jeon HM, Jeong SH, Ahn YW, Ok SM. A Comparison of the Condyle and Articular Eminence in Asian Juvenile Idiopathic Osteoarthritis Patients with Unilateral and Bilateral TMJ Involvement: A Retrospective Case-Control Study. J Clin Med 2023; 12:5566. [PMID: 37685631 PMCID: PMC10489145 DOI: 10.3390/jcm12175566] [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: 07/24/2023] [Revised: 08/17/2023] [Accepted: 08/21/2023] [Indexed: 09/10/2023] Open
Abstract
This study compared the condylar volume, length, and articular eminence (AE) characteristics of normal individuals to those with unilateral and bilateral juvenile idiopathic osteoarthritis (JOA). The 116 patients were divided into four groups: Control (n = 16), affected condyle of unilateral JOA (Aff-Uni) (n = 36), non-affected condyle of JOA (NonAff-uni) (n = 36), and bilateral JOA (Bilateral) (n = 28). The differences in condyle volume and length and AE were analyzed using ANOVA and Bonferroni post-hoc tests. The results showed that Bilateral had a significantly different condylar volume, especially in the condylar head (p < 0.01), specifically the middle, anterior, and medial parts (p < 0.05). Condylar length also differed among the groups, with differences observed between the control group and the other three groups, as well as between the bilateral group and the other three groups (p < 0.01). AE total volume differed between the control group and Aff-Uni. In the detailed comparison, Aff-Uni and NonAff-Uni were smaller than the control group in the posterior, lateral, and medial sections (p < 0.05). In conclusion, depending on the involvement of unilateral or bilateral JOA, there were differences in condylar volume and AE when compared to the normal control group. Therefore, a prognosis should be evaluated by distinguishing between patients with unilateral and bilateral JOA.
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Affiliation(s)
- Hye-Min Ju
- Department of Oral Medicine, School of Dentistry, Pusan National University, Dental and Life Science Institute, Yangsan-si 50612, Republic of Korea; (H.-M.J.); (S.-H.J.); (Y.-W.A.)
| | - Hee-Won Kim
- Department of Oral Medicine, Pusan National University Dental Hospital, Dental Research Institute, Yangsan-si 50612, Republic of Korea; (H.-W.K.); (S.-Y.C.)
| | - Seo-Young Choi
- Department of Oral Medicine, Pusan National University Dental Hospital, Dental Research Institute, Yangsan-si 50612, Republic of Korea; (H.-W.K.); (S.-Y.C.)
| | - Hye-Mi Jeon
- Dental Clinic Center, Pusan National University Hospital, Busan 49241, Republic of Korea;
| | - Sung-Hee Jeong
- Department of Oral Medicine, School of Dentistry, Pusan National University, Dental and Life Science Institute, Yangsan-si 50612, Republic of Korea; (H.-M.J.); (S.-H.J.); (Y.-W.A.)
| | - Yong-Woo Ahn
- Department of Oral Medicine, School of Dentistry, Pusan National University, Dental and Life Science Institute, Yangsan-si 50612, Republic of Korea; (H.-M.J.); (S.-H.J.); (Y.-W.A.)
| | - Soo-Min Ok
- Department of Oral Medicine, School of Dentistry, Pusan National University, Dental and Life Science Institute, Yangsan-si 50612, Republic of Korea; (H.-M.J.); (S.-H.J.); (Y.-W.A.)
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Choi SY, Choi JH, Oh EH, Choi KD. Sequential orbital apex syndrome following the COVID-19 vaccination: A case report. eNeurologicalSci 2023; 30:100447. [PMID: 36743268 PMCID: PMC9883071 DOI: 10.1016/j.ensci.2023.100447] [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: 10/24/2022] [Revised: 01/17/2023] [Accepted: 01/24/2023] [Indexed: 01/30/2023] Open
Abstract
Background Many kinds of vaccines have been developed worldwide to bring the coronavirus disease 2019 (COVID-19) to an end. We report a case of recurrent orbital apex syndrome following the first and third doses of SARS-CoV-2 vaccination. Case presentation A 71-year-old woman presented with acute painless diplopia and visual disturbance for two days. She had received the first dose of the COVID-19 vaccine two weeks before. She showed decreased visual acuity and ophthalmoplegia in the right eye. An orbital magnetic resonance image (MRI) revealed a hyperintense lesion with enhanced bulging in the right cavernous sinus. Following the steroid pulse therapy, she fully recovered. However, six months after the first attack, painful ophthalmoplegia with decreased visual acuity recurred in her left eye after the booster vaccination for COVID-19. MRI also showed a well-enhanced hyperintense lesion in the left orbital apex. Fortunately, her visual acuity and ocular motility returned to normal after the steroid therapy. Conclusions Immunologic reactions from COVID-19 vaccines may cause multiple cranial neuropathies. Diverse individual immunologic states should be considered before any kind of vaccine.
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Affiliation(s)
- Seo-Young Choi
- Department of Neurology, Pusan National University Hospital, Pusan National University School of Medicine and Biomedical Research Institute, Busan, Republic of Korea,Corresponding author at: Department of Neurology, Pusan National University Hospital, 179, Gudeok-ro, Seo-gu, Busan, 602-739, Republic of Korea
| | - Jae-Hwan Choi
- Department of Neurology, Pusan National University School of Medicine, Research Institute for Convergence of Biomedical Science and Technology, Pusan National University Yangsan Hospital, Republic of Korea
| | - Eun Hye Oh
- Department of Neurology, Pusan National University School of Medicine, Research Institute for Convergence of Biomedical Science and Technology, Pusan National University Yangsan Hospital, Republic of Korea
| | - Kwang-Dong Choi
- Department of Neurology, Pusan National University Hospital, Pusan National University School of Medicine and Biomedical Research Institute, Busan, Republic of Korea
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Kim HJ, Kim JS, Choi KD, Choi SY, Lee SH, Jung I, Park JH. Effect of Self-treatment of Recurrent Benign Paroxysmal Positional Vertigo: A Randomized Clinical Trial. JAMA Neurol 2023; 80:244-250. [PMID: 36648931 PMCID: PMC10011937 DOI: 10.1001/jamaneurol.2022.4944] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2022] [Accepted: 11/07/2022] [Indexed: 01/18/2023]
Abstract
Importance Benign paroxysmal positional vertigo (BPPV) is the most common cause of vertigo with frequent recurrences. Objective To determine the efficacy of a web-based diagnosis and treatment of BPPV when it recurs in patients with confirmed and treated BPPV. Design, Setting, and Participants This randomized, controlled, parallel-group, double-blind trial took place in multiple referral-based university hospitals in South Korea between July 2017 and February 2020. Of 728 patients (age ≥20 years) with diagnosed and treated BPPV, 585 were enrolled after excluding 143 who declined participation, could not use the internet, or had spinal problems, multicanal BPPV, or cognitive dysfunction. Patients were followed up for recurrence at least for 2 years until February 2022. Interventions Patients were randomly assigned (1:1) to the treatment or control group. The patients in the treatment group completed a questionnaire for diagnosis and received a video clip for self-administration of canalith repositioning maneuver (CRM) according to the type of BPPV diagnosed when they experienced positional vertigo again. Patients in the control group received a video clip for self-administration of CRM according to the type of BPPV that had been diagnosed on enrollment. Main Outcomes and Measures The primary outcome was self-reported resolution of positional vertigo post-CRM. Secondary outcomes included difficulties and requirement for assistance when using the program and any falls or other adverse events related to CRM. The primary outcome was analyzed using both intention-to-treat and per-protocol methods. Results Of 585 patients enrolled, 292 were randomized to the treatment group (mean [SD] age, 60.3 [12.8] years, 37 [64%] women) and 293 were randomized to the control group (mean [SD] age, 61.1 [13.2] years; 50 [71%] women). Overall, 128 (21.9%) had recurrence (58 in the treatment group and 70 in the control group), and 109 (85.2%) successfully used the web-based system. In the intention-to-treat analysis, 42 of 58 individuals (72.4%) in the treatment group and 30 of 70 individuals (42.9%) in the control group reported vertigo resolution (χ2 test: 95% CI, 0.13-0.46; P < .001). Conclusions and Relevance This trial proved the efficacy of a web-based system for the diagnosis and treatment of recurrent BPPV. Use of this system may play an important role in telemedicine for vestibular disorders. Trial Registration Clinical Research Information Service Identifier: KCT0002364.
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Affiliation(s)
- Hyo-Jung Kim
- Biomedical Research Institute, Seoul National University Bundang Hospital, Seongnam, Korea
| | - Ji-Soo Kim
- Department of Neurology, College of Medicine, Seoul National University, Seoul, Korea
- Department of Neurology, Dizziness Center, Clinical Neuroscience Center, Seoul National University Bundang Hospital, Seongnam, Korea
| | - Kwang-Dong Choi
- Department of Neurology, Pusan National University Hospital, Pusan, Korea
| | - Seo-Young Choi
- Department of Neurology, Pusan National University Hospital, Pusan, Korea
| | - Seung-Han Lee
- Department of Neurology, Chonnam National University Medical School, Chonnam National University Hospital, Gwangju, Korea
| | - Ileok Jung
- Department of Neurology, College of Medicine, Seoul National University, Seoul, Korea
- Department of Neurology, Chamjoeun Hospital, Gwangju-si, Korea
| | - Jae Han Park
- Department of Neurology, Daegu Catholic University College of Medicine, Daegu Catholic University Hospital, Daegu, Korea
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Choi SY, Kim S, Park KM. Initial Healing Effects of Platelet-Rich Plasma (PRP) Gel and Platelet-Rich Fibrin (PRF) in the Deep Corneal Wound in Rabbits. Bioengineering (Basel) 2022; 9:bioengineering9080405. [PMID: 36004930 PMCID: PMC9405118 DOI: 10.3390/bioengineering9080405] [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] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2022] [Revised: 08/18/2022] [Accepted: 08/18/2022] [Indexed: 11/24/2022] Open
Abstract
Platelet concentrates (PCs), including platelet-rich plasma (PRP) gel and platelet-rich fibrin (PRF), are autologous blood-derived biomaterials containing numerous growth factors. This study aimed to evaluate the initial healing effects of PRP gel and PRF on deep corneal wounds. Thirty-three eyes from New Zealand white rabbits were divided into four groups: group 1, lamellar keratectomy (LK); group 2, LK + commercial porcine small intestinal submucosal membrane (SIS); group 3, LK + SIS + PRP gel; and group 4, LK + SIS + PRF. Postoperative clinical and histological findings were observed for eight weeks. Group 1 showed no neovascularization during the observation period, and incompletely recovered with a thin cornea. Group 2 showed active healing through neovascularization, and a thick cornea was regenerated through the sufficient generation of myofibroblasts. Although group 3 showed a healing effect similar to that of group 2, angiogenesis and subsequent vessel regression were promoted, and corneal opacity improved more rapidly. In group 4, angiogenesis was promoted during initial healing; however, the incidence of complications, such as inflammation, was high, and myofibroblasts were hardly generated in the corneal stroma, which adversely affected remodeling. In conclusion, while PRP gel is a safe surgical material for promoting remodeling through vascular healing and myofibroblast production in deep corneal wounds, the use of PRF is not recommended.
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Affiliation(s)
- Seo-Young Choi
- Laboratory of Veterinary Ophthalmology, Department of Veterinary Medicine, Chungbuk National University, Cheongju 28644, Korea
| | - Soochong Kim
- Laboratory of Veterinary Pathology and Platelet Signaling, Department of Veterinary Medicine, Chungbuk National University, Cheongju 28644, Korea
| | - Kyung-Mee Park
- Laboratory of Veterinary Ophthalmology, Department of Veterinary Medicine, Chungbuk National University, Cheongju 28644, Korea
- Correspondence: ; Tel.: +82-43-250-2985
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Lee H, Park HE, Chun EJ, Chang HJ, Sung J, Jung HO, Choi SY. The impact of nonoptimal lipids on the progression of coronary artery calcification in asymptomatic young adults: results from the KOICA registry. Eur J Prev Cardiol 2022. [DOI: 10.1093/eurjpc/zwac056.180] [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: 11/14/2022]
Abstract
Abstract
Funding Acknowledgements
Type of funding sources: None.
Background
Recently, as cumulative exposure of lipids for a lifetime has become important to prevent and predict atherosclerotic cardiovascular disease (ASCVD), it is recommended to obtain the optimal lipid levels from a young age. However, questions remain regarding the vascular changes in young adulthood by nonoptimal lipid levels.
Purpose
We aimed to investigate the progression of coronary artery calcification (CAC) according to lipid profiles in Korean young adults.
Methods
From the KOrea Initiative on Coronary Artery calcification registry, we collected 2,940 statin-naïve adults under 45-year-old, undergoing serial coronary artery calcium scans for the purpose of routine health check-ups between 2002 and 2017. CAC progression was assessed according to the optimality of lipid levels and each lipid variable.
Results
In this cohort (mean age, 41.3 years; man 82.4%), only 477 subjects (16.2%) had the optimal lipid profile, defined as triglycerides <150 mg/dl, LDL cholesterol <100 mg/dl, and HDL cholesterol ≥45 mg/dl. During follow-up (median 39.7 months), CAC progression was observed in 438 participants (14.8%) and more frequent in nonoptimal lipid group (16.5% vs 5.9%; p<0.001). Nonoptimal lipid levels during young adulthood increased the risk of CAC progression after adjusting for other cardiovascular risk factors (adjusted HR, 2.36; p=0.001), with a stepwise risk increase according to lipid levels. In particular, in the subjects with an initial calcium score of zero (adjusted HR, 2.13; p=0.014), those in their 20s or 30s (adjusted HR 2.70; p=0.029), and those without any other risk factors (adjusted HR 2.51; p=0.025), deemed as very low-risk groups, nonoptimal lipid levels more than doubled the risk of CAC progression, respectively. Among lipid variables, high triglycerides appeared to provide the greatest impact on CAC progression of young adults.
Conclusions
The proportion of young adults with optimal lipid levels was lower than expected. Nonoptimal lipid level was significantly associated with the risk of CAC progression in young adults, even with low-risk. Triglycerides had the strongest association with the risk of CAC progression. Screening and intervention for nonoptimal lipid levels, particularly triglycerides, from an early age might be of clinical value.
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Affiliation(s)
- H Lee
- Seoul National University Hospital, Department of Internal Medicine, Division of Cardiology, Seoul, Korea (Republic of)
| | - HE Park
- Seoul National University Hospital, Department of Internal Medicine, Division of Cardiology, Seoul, Korea (Republic of)
| | - EJ Chun
- Seoul National University Bundang Hospital, Division of Radiology, Seongnam, Korea (Republic of)
| | - HJ Chang
- Severance Cardiovascular Hospital, Yonsei University College of Medicine, Seoul, Korea (Republic of)
| | - J Sung
- Samsung Medical Center, Division of Cardiology, Seoul, Korea (Republic of)
| | - HO Jung
- The Catholic University of Korea Seoul St. Mary's Hospital, Division of Cardiology, Seoul, Korea (Republic of)
| | - SY Choi
- Seoul National University Hospital, Department of Internal Medicine, Division of Cardiology, Seoul, Korea (Republic of)
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Kim JY, Choi JH, Oh EH, Choi SY, Kim HJ, Choi KD. Isolated Vestibular Syndrome With "Double-Panda" Sign in CNS Lymphoma. J Clin Neurol 2022; 18:111-113. [PMID: 35021288 PMCID: PMC8762499 DOI: 10.3988/jcn.2022.18.1.111] [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: 05/17/2021] [Revised: 07/16/2021] [Accepted: 07/16/2021] [Indexed: 12/03/2022] Open
Affiliation(s)
- Jeong-Yeon Kim
- Department of Neurology, Pusan National University Hospital; Biomedical Research Institute, Pusan National University School of Medicine, Busan, Korea
| | - Jae-Hwan Choi
- Department of Neurology, Pusan National University School of Medicine, Research Institute for Convergence of Biomedical Science and Technology, Pusan National University Yangsan Hospital, Yangsan, Korea
| | - Eun Hye Oh
- Department of Neurology, Pusan National University School of Medicine, Research Institute for Convergence of Biomedical Science and Technology, Pusan National University Yangsan Hospital, Yangsan, Korea
| | - Seo-Young Choi
- Department of Neurology, Pusan National University Hospital; Biomedical Research Institute, Pusan National University School of Medicine, Busan, Korea
| | - Hak-Jin Kim
- Department of Radiology, Pusan National University Hospital; Biomedical Research Institute, Pusan National University School of Medicine, Busan, Korea
| | - Kwang-Dong Choi
- Department of Neurology, Pusan National University Hospital; Biomedical Research Institute, Pusan National University School of Medicine, Busan, Korea.
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Kim JY, Choi JH, Oh EH, Choi SY, Kim HJ, Choi KD. Erratum: Isolated Vestibular Syndrome With “Double-Panda” Sign in CNS Lymphoma. J Clin Neurol 2022; 18:257. [PMID: 35274850 PMCID: PMC8926763 DOI: 10.3988/jcn.2022.18.2.257] [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] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Affiliation(s)
- Jeong-Yeon Kim
- Department of Neurology, Pusan National University Hospital; Biomedical Research Institute, Pusan National University School of Medicine, Busan, Korea
| | - Jae-Hwan Choi
- Department of Neurology, Pusan National University School of Medicine, Research Institute for Convergence of Biomedical Science and Technology, Pusan National University Yangsan Hospital, Yangsan, Korea
| | - Eun Hye Oh
- Department of Neurology, Pusan National University School of Medicine, Research Institute for Convergence of Biomedical Science and Technology, Pusan National University Yangsan Hospital, Yangsan, Korea
| | - Seo-Young Choi
- Department of Neurology, Pusan National University Hospital; Biomedical Research Institute, Pusan National University School of Medicine, Busan, Korea
| | - Hak-Jin Kim
- Department of Radiology, Pusan National University Hospital; Biomedical Research Institute, Pusan National University School of Medicine, Busan, Korea
| | - Kwang-Dong Choi
- Department of Neurology, Pusan National University Hospital; Biomedical Research Institute, Pusan National University School of Medicine, Busan, Korea
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Choi SY, Kim HJ, Choi KD, Kim JS. Efficacy of nilotinib in monozygotic twins with spinocerebellar ataxia type 6. J Neurol 2021; 269:2769-2773. [PMID: 34791517 DOI: 10.1007/s00415-021-10895-x] [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: 09/15/2021] [Revised: 11/04/2021] [Accepted: 11/07/2021] [Indexed: 10/19/2022]
Affiliation(s)
- Seo-Young Choi
- Department of Neurology, Pusan National University Hospital, Pusan National University School of Medicine and Biomedical Research Institute, Busan, South Korea
| | - Hyo-Jung Kim
- Research Administration Team, Seoul National University Bundang Hospital, Seongnam, South Korea
| | - Kwang-Dong Choi
- Department of Neurology, Pusan National University Hospital, Pusan National University School of Medicine and Biomedical Research Institute, Busan, South Korea
| | - Ji-Soo Kim
- Department of Neurology, College of Medicine, Dizziness Center, Seoul National University Bundang Hospital, Seoul National University, 173-82 Gumi-ro, Bundang-gu, Seongnam-si, Gyeonggi-do, 13620, South Korea. .,Department of Neurology, Seoul National University College of Medicine, Seoul, South Korea.
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Kim MJ, Kim JW, Kim MS, Choi SY, Na JI. Generalized erythema multiforme-like skin rash following the first dose of COVID-19 vaccine (Pfizer-BioNTech). J Eur Acad Dermatol Venereol 2021; 36:e98-e100. [PMID: 34661942 PMCID: PMC8656619 DOI: 10.1111/jdv.17757] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [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: 09/04/2021] [Accepted: 10/13/2021] [Indexed: 12/18/2022]
Affiliation(s)
- M J Kim
- Department of Dermatology, Seoul National University Bundang Hospital, 82 Gumi-ro 173 Beon-gil, Bundang-gu, Seongnam-si, Gyeonggi-do, 13620, Korea
| | - J W Kim
- Department of Dermatology, Seoul National University Bundang Hospital, 82 Gumi-ro 173 Beon-gil, Bundang-gu, Seongnam-si, Gyeonggi-do, 13620, Korea
| | - M S Kim
- Department of Dermatology, Seoul National University Bundang Hospital, 82 Gumi-ro 173 Beon-gil, Bundang-gu, Seongnam-si, Gyeonggi-do, 13620, Korea
| | - S Y Choi
- Department of Dermatology, Ilsan Paik Hospital, Inje University, 170, Juhwa-ro, Ilsanseo-gu, Goyang-si, Gyeonggi-do, Korea
| | - J I Na
- Department of Dermatology, Seoul National University Bundang Hospital, 82 Gumi-ro 173 Beon-gil, Bundang-gu, Seongnam-si, Gyeonggi-do, 13620, Korea
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Choi KD, Kim JY, Choi SY, Oh EH, Lee HM, Roh J, Choi JH. Case Report: Ménière's Disease-Like Symptoms in 22q11.2 Deletion Syndrome. Front Neurol 2021; 12:690078. [PMID: 34220691 PMCID: PMC8250142 DOI: 10.3389/fneur.2021.690078] [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: 04/02/2021] [Accepted: 05/14/2021] [Indexed: 11/13/2022] Open
Abstract
The 22q11.2 deletion syndrome (22q11.2DS), caused by a microdeletion on the long arm of chromosome 22, is characterized by congenital heart disease, hypoparathyroidism, immunodeficiency, developmental delay, and velopharyngeal insufficiency. Anatomic malformations of the middle and inner ears are frequently present, leading to high prevalence of hearing impairment. We present a first case of 22q11.2DS showing fluctuating hearing loss with recurrent vertigo attacks, resembling Ménière's disease. A 38-year-old male known to have 22q11.2DS developed recurrent vertigo, tinnitus, and fluctuating hearing loss in the left ear during a 10-year follow-up period. During vertigo attack, he had spontaneous left-beating nystagmus with downbeat components, but bithermal caloric and video head impulse tests showed normal vestibulo-ocular reflex functions. Sequential pure tone audiograms demonstrated fluctuating sensorineural hearing loss (SNHL) in both ears, which finally progressed to permanent hearing loss in the left ear. Computed tomography imaging of the temporal bone exhibited bilaterally malformed lateral semicircular canals, and delayed 3D-FLAIR sequences revealed cochlear endolymphatic hydrops with dilation of the scala media in the left ear. This case shows that acute vertigo with SNHL can be one of the audiovestibular presentations in 22q11.2DS caused by disturbance of endolymphatic flow.
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Affiliation(s)
- Kwang-Dong Choi
- Department of Neurology, Pusan National University School of Medicine and Biomedical Research Institute, Pusan National University Hospital, Busan, South Korea
| | - Jeong-Yeon Kim
- Department of Neurology, Pusan National University School of Medicine and Biomedical Research Institute, Pusan National University Hospital, Busan, South Korea
| | - Seo-Young Choi
- Department of Neurology, Pusan National University School of Medicine and Biomedical Research Institute, Pusan National University Hospital, Busan, South Korea
| | - Eun Hye Oh
- Department of Neurology, Pusan National University School of Medicine, Research Institute for Convergence of Biomedical Science and Technology, Pusan National University Yangsan Hospital, Yangsan, South Korea
| | - Hyun-Min Lee
- Department of Otorhinolaryngology, Pusan National University Yangsan Hospital, Yangsan, South Korea
| | - Jieun Roh
- Department of Radiology, Pusan National University Yangsan Hospital, Yangsan, South Korea
| | - Jae-Hwan Choi
- Department of Neurology, Pusan National University School of Medicine, Research Institute for Convergence of Biomedical Science and Technology, Pusan National University Yangsan Hospital, Yangsan, South Korea
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Choi SY, Hong JY, Kim HJ, Lee GY, Cheong SH, Jung HJ, Bang CH, Lee DH, Jue MS, Kim HO, Park EJ, Ko JY, Son SW. Mask-induced dermatoses during the COVID-19 pandemic: a questionnaire-based study in 12 Korean hospitals. Clin Exp Dermatol 2021; 46:1504-1510. [PMID: 34081799 PMCID: PMC8239570 DOI: 10.1111/ced.14776] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [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: 04/08/2021] [Revised: 05/20/2021] [Accepted: 05/31/2021] [Indexed: 12/18/2022]
Abstract
BACKGROUND During the coronavirus disease 2019 (COVID-19) pandemic, various adverse skin reactions to long-term mask wearing have been reported. AIM To assess the clinical features of mask-induced dermatoses and to recommend prevention and treatment options. METHODS From April to August 2020, questionnaires including topics such as demographic information, pre-existing skin disorders, reported mask-related symptoms, daily mask-wearing duration and frequency, types of masks used and whether the participant was a healthcare worker, were distributed to patients in 12 hospitals. Dermatologists assessed skin lesions, confirmed diagnosis and recorded treatments. RESULTS Itchiness was the most frequent symptom, mostly affecting the cheeks. The most common skin disease was new-onset contact dermatitis (33.94%), followed by new-onset acne (16.97%) and worsening of pre-existing acne (16.97%). Daily wearing of masks was significantly (P = 0.02) associated with new-onset contact dermatitis. More than half of patients with pre-existing skin problems experienced disease worsening while wearing masks. Longer duration of wearing (> 6 h/day, P = 0.04) and use of cotton masks (P < 0.001) significantly increased acne flare-up. Healthcare workers had a higher incidence of skin disease. Skin lesions were generally mild and well tolerated with topical treatment. The study had some limitations: the effect of seasonal characteristics and other risk factors were not assessed, and the patients were visiting dermatological clinics and had interest in their skin status, thus, there may have been selection bias. CONCLUSION Mask-induced/-triggered dermatoses contribute to increase the dermatological burden during the pandemic.
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Affiliation(s)
- S Y Choi
- Department of Dermatology, Ilsan Paik Hospital, Inje University College of Medicine, Seoul, Korea
| | - J Y Hong
- Department of Dermatology, Chungnam National University Sejong Hospital, Chungnam National University College of Medicine, Sejong, Korea
| | - H J Kim
- Department of Dermatology, Gachon University Gil Medical Center, Gachon University College of Medicine, Incheon, Korea
| | - G-Y Lee
- Department of Dermatology, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - S H Cheong
- Department of Dermatology, Konyang University, Daejeon, Korea
| | - H J Jung
- Department of Dermatology, National Medical Center, Seoul, Korea
| | - C H Bang
- Department of Dermatology, Seoul St Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea
| | - D H Lee
- Department of Dermatology, Seoul National University Hospital, Seoul National University College of Medicine, Seoul, Korea
| | - M-S Jue
- Department of Dermatology, Veterans Health Service Medical Center, Seoul, Korea
| | - H O Kim
- Department of Dermatology, Hallym University Kangnam Sacred Heart Hospital, Seoul, Korea
| | - E J Park
- Department of Dermatology, College of Medicine, Hallym University, Seoul, Korea
| | - J Y Ko
- Department of Dermatology, Hanyang University College of Medicine and Hanyang University Seoul Hospital, Seoul, Korea
| | - S W Son
- Department of Dermatology, Korea University College of Medicine, Seoul, Korea
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Park SJ, Park JW, Ahn GR, Choi SY, Yoo KH, Li K, Kim BJ. A study of the microbiological profile of filler-induced skin necrosis. Clin Exp Dermatol 2021; 46:901-905. [PMID: 33763910 DOI: 10.1111/ced.14653] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2021] [Revised: 03/08/2021] [Accepted: 03/19/2021] [Indexed: 11/28/2022]
Abstract
Skin necrosis is one of the most severe complications following filler injections, and can result in permanent aesthetic defects. Although an increasing number of studies have addressed the management of dermal filler complications, no study has described the spectrum of microbial pathogens. The aim of this study was to delineate the bacterial profile and prognostic factors of filler-related skin necrosis by reviewing the clinical and microbiological features of these patients. A retrospective medical record review of patients undergoing treatment for skin necrosis induced by fillers was conducted. In total, 10 cases were identified, with injection sites being the nasolabial fold (70%; n = 7), nasal dorsum (20%; n = 2) and nasal tip (10%; n = 1). Reviewing the culture results, the true culture-positive rate was found to be 50% after cases of contamination were excluded. To avoid permanent sequelae, all physicians should be aware of possible secondary infections when treating filler-induced skin necrosis.
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Affiliation(s)
- S J Park
- Department of Dermatology, Chung-Ang University College of Medicine, Seoul, South Korea
| | - J W Park
- Department of Dermatology, Chung-Ang University College of Medicine, Seoul, South Korea
| | - G R Ahn
- Department of Dermatology, Chung-Ang University College of Medicine, Seoul, South Korea
| | - S Y Choi
- Department of Dermatology, Seoul Paik Hospital, Inje University, Seoul, South Korea
| | - K H Yoo
- Department of Dermatology, Chung-Ang University College of Medicine, Seoul, South Korea
| | - K Li
- Department of Dermatology, Chung-Ang University College of Medicine, Seoul, South Korea
| | - B J Kim
- Department of Dermatology, Chung-Ang University College of Medicine, Seoul, South Korea
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Kim HA, Oh EH, Choi SY, Choi JH, Park JY, Lee H, Choi KD. Transient Vestibular Symptoms Preceding Posterior Circulation Stroke: A Prospective Multicenter Study. Stroke 2021; 52:e224-e228. [PMID: 33902298 DOI: 10.1161/strokeaha.120.032488] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [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
BACKGROUND AND PURPOSE The recognition of clinical features of transient vestibular symptoms (TVSs) preceding posterior circulation stroke (PCOS) would be informative to discriminate dizziness/vertigo due to vertebrobasilar transient ischemic attack from the acute transient vestibular syndrome. We sought to determine the prevalence and characteristics of TVSs preceding PCOS. METHODS We performed a prospective multicenter observational study that had recruited 447 patients with PCOS from referral-based 4 university hospitals in Korea. We investigated the timing, pattern, frequency, duration, and accompanying neurological symptoms of TVSs during the 3 months preceding PCOS. RESULTS The prevalence of TVSs preceding PCOS was 12% (55/447) during the previous 3 months. The TVSs preceding PCOS occurred within 1 week (33%), between 1 week and 1 month (16%), or between 1 and 3 months (51%). The TVSs were mostly dizziness/vertigo with (36%) or without (60%) imbalance, while the remaining 4% had an isolated imbalance. The dizziness/vertigo was spinning in 38% and was aggravated during head position in 45%. The duration of TVSs was mostly a few seconds (55%) or minutes (38%). Approximately 72% of the patients with PCOS had TVSs 1 to 5 times, while 16% had >10 times. Accompanying neurological symptoms, including headache, tinnitus, limb weakness, sensory change, dysarthria, visual field defect, and diplopia, were reported in 11%. CONCLUSIONS Preceding TVSs can occur in 12% of PCOS during the previous 3 months. Isolated dizziness/vertigo of unknown cause needs to be considered as a vertebrobasilar transient ischemic attack symptom, especially in patients with vascular risk factors. The characteristics of isolated vestibular symptom in vertebrobasilar transient ischemic attacks is highly variable and atypical compared with other transient ischemic symptoms.
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Affiliation(s)
- Hyun Ah Kim
- Department of Neurology, Keimyung University School of Medicine, Daegu, South Korea (H.A.K., H.L.)
| | - Eun Hye Oh
- Department of Neurology, Pusan National University School of Medicine, Research Institute for Convergence of Biomedical Science and Technology, Pusan National University Yangsan Hospital, South Korea (E.H.O., J.H.C.)
| | - Seo-Young Choi
- Department of Neurology, Pusan National University Hospital, Pusan National University School of Medicine, Biomedical Research Institute, Busan, South Korea (S.-Y.C., K.-D.C.)
| | - Jae Hwan Choi
- Department of Neurology, Pusan National University School of Medicine, Research Institute for Convergence of Biomedical Science and Technology, Pusan National University Yangsan Hospital, South Korea (E.H.O., J.H.C.)
| | - Ji-Yun Park
- University of Ulsan College of Medicine, Ulsan University Hospital, South Korea (J.-Y.P.)
| | - Hyung Lee
- Department of Neurology, Keimyung University School of Medicine, Daegu, South Korea (H.A.K., H.L.)
| | - Kwang-Dong Choi
- Department of Neurology, Pusan National University Hospital, Pusan National University School of Medicine, Biomedical Research Institute, Busan, South Korea (S.-Y.C., K.-D.C.)
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Nam SH, Yamano A, Kim JA, Lim J, Baek SH, Kim JE, Kwon TG, Saito Y, Teruya T, Choi SY, Kim YK, Bae YC, Shin HI, Woo JT, Park EK. Prenylflavonoids isolated from Macaranga tanarius stimulate odontoblast differentiation of human dental pulp stem cells and tooth root formation via the mitogen-activated protein kinase and protein kinase B pathways. Int Endod J 2021; 54:1142-1154. [PMID: 33641170 DOI: 10.1111/iej.13503] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [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: 09/21/2020] [Revised: 02/24/2021] [Accepted: 02/25/2021] [Indexed: 01/09/2023]
Abstract
AIM To identify odontogenesis-promoting compounds and examine the molecular mechanism underlying enhanced odontoblast differentiation and tooth formation. METHODOLOGY Five different nymphaeols, nymphaeol B (NB), isonymphaeol B (INB), nymphaeol A (NA), 3'-geranyl-naringenin (GN) and nymphaeol C (NC) were isolated from the fruit of Macaranga tanarius. The cytotoxic effect of nymphaeols on human DPSCs was observed using a 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) assay. The effect of nymphaeols on odontoblast differentiation was analysed with Alizarin Red S staining and odontoblast marker expression was assessed using real-time polymerase chain reaction and Western blot analysis. The molecular mechanism was investigated with Western blot analysis. In order to examine the effect of INB on dentine formation in the developing tooth germ, INB-soaked beads were placed under the tooth bud explants in the collagen gel; thereafter, the tooth bud explant-bead complexes were implanted into the sub-renal capsules for 3 weeks. Tooth root formation was analysed using micro-computed tomography and histological analysis. Data are presented as mean ± standard error (SEM) values of three independent experiments, and results are compared using a two-tailed Student's t-test. The data were considered to have statistical significance when the P-value was less than 0.05. RESULTS Three of the compounds, NB, INB, and GN, did not exert a cytotoxic effect on human DPSCs. However, INB was most effective in promoting the deposition of calcium minerals in vitro (P < 0.001) and induced the expression of odontogenic marker genes (P < 0.05). Moreover, this compound strongly induced the phosphorylation of mitogen-activated protein (MAP) kinases and protein kinase B (AKT) (P < 0.05). The inhibition of p38 MAP, c-Jun N-terminal kinase (JNK), and AKT substantially suppressed the INB-induced odontoblast differentiation (P < 0.001). In addition, isonymphaeol B significantly induced the formation of dentine and elongation of the tooth root in vivo (P < 0.05). CONCLUSIONS Prenylflavonoids, including INB, exerted stimulatory effects on odontoblast differentiation and tooth root and dentine formation via the MAP kinase and AKT signalling pathways. These results suggest that nymphaeols could stimulate the repair processes for dentine defects or injuries.
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Affiliation(s)
- S H Nam
- Department of Oral Pathology and Regenerative Medicine, School of Dentistry, Kyungpook National University, Daegu, Korea
| | - A Yamano
- Faculty of Education, University of the Ryukyu, Nakagami-gun, Japan
| | - J A Kim
- Department of Oral Pathology and Regenerative Medicine, School of Dentistry, Kyungpook National University, Daegu, Korea
| | - J Lim
- Department of Oral Pathology and Regenerative Medicine, School of Dentistry, Kyungpook National University, Daegu, Korea
| | - S H Baek
- Orthognathic/Oral & Maxillofacial Surgery, Cha & Baek Dental Clinic, Daegu, Korea
| | - J E Kim
- Department of Molecular Medicine, School of Medicine, Kyungpook National University, Daegu, Korea
| | - T G Kwon
- Department of Oral and Maxillofacial Surgery, School of Dentistry, Kyungpook National University, Daegu, Korea
| | - Y Saito
- Faculty of Education, University of the Ryukyu, Nakagami-gun, Japan
| | - T Teruya
- Faculty of Education, University of the Ryukyu, Nakagami-gun, Japan
| | - S Y Choi
- Department of Oral and Maxillofacial Surgery, School of Dentistry, Kyungpook National University, Daegu, Korea
| | - Y K Kim
- Department of Conservative Dentistry, School of Dentistry, Kyungpook National University, Daegu, Korea
| | - Y C Bae
- Department of Oral Anatomy and Neurobiology, School of Dentistry, Kyungpook National University, Daegu, Korea
| | - H I Shin
- Department of Oral Pathology and Regenerative Medicine, School of Dentistry, Kyungpook National University, Daegu, Korea
| | - J T Woo
- Department of Biological Chemistry, College of Bioscience and Biotechnology, Chubu University, Kasugai, Japan
| | - E K Park
- Department of Oral Pathology and Regenerative Medicine, School of Dentistry, Kyungpook National University, Daegu, Korea
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Park W, Park M, Choi K, Heo Y, Choi SY, Cho J, Ko YH, Jeong HS. Analysis of local invasion and regional spread in malignant sublingual gland tumour: Implications for surgical planning. Int J Oral Maxillofac Surg 2021; 50:1280-1288. [PMID: 33602646 DOI: 10.1016/j.ijom.2021.01.016] [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: 08/27/2020] [Revised: 11/26/2020] [Accepted: 01/19/2021] [Indexed: 11/26/2022]
Abstract
Malignant tumours arising from the sublingual glands are very rare, and the extent and frequency of local invasion or regional spread in malignant sublingual gland tumour (MSLT) has not been fully studied due to the disease rarity. To provide comprehensive features of local and regional spread of MSLT, we reviewed 20 surgical cases for detailed pathological analyses among 26 cases diagnosed as having primary MSLT. Adenoid cystic carcinoma (ACC) was the most common pathological subtype, followed by mucoepidermoid carcinoma. Disease-free and overall survivals at 5 years were 76.1 % and 77.7 %, respectively. High-grade malignant tumours and grade 2-3 ACC accounted for 41.7 % and 85.7 %. Clinical and pathological extraparenchymal extensions were found in 34.6 % and 80.0 %, respectively. Tumour invasion to the lingual nerve and submandibular gland/ductal system were also detected in 40.0 % and 28.6 %. The incidences of lingual nerve invasion in ACC and ACC ≥4 cm were 30.8 % and 42.9 %. Regional nodal involvement occurred in seven of 26 cases, and all metastatic lymph nodes were found in neck levels Ib and IIa. In summary, a significant portion of MSLT cases consisted of high-grade tumours and grade 2-3 ACC; therefore local invasion into adjacent structures should be cautiously evaluated in cases of MSLT.
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Affiliation(s)
- W Park
- Departments of Otorhinolaryngology - Head and Neck Surgery, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea
| | - M Park
- Departments of Otorhinolaryngology - Head and Neck Surgery, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea
| | - K Choi
- Department of Pathology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea
| | - Y Heo
- Departments of Otorhinolaryngology - Head and Neck Surgery, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea
| | - S Y Choi
- Departments of Otorhinolaryngology - Head and Neck Surgery, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea
| | - J Cho
- Department of Pathology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea
| | - Y-H Ko
- Department of Pathology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea
| | - H-S Jeong
- Departments of Otorhinolaryngology - Head and Neck Surgery, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea.
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Choi SY, Cho JW, Choi JH, Oh EH, Choi KD. Effect of the Epley Maneuver and Brandt-Daroff Exercise on Benign Paroxysmal Positional Vertigo Involving the Posterior Semicircular Canal Cupulolithiasis: A Randomized Clinical Trial. Front Neurol 2020; 11:603541. [PMID: 33424753 PMCID: PMC7793826 DOI: 10.3389/fneur.2020.603541] [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] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2020] [Accepted: 11/13/2020] [Indexed: 11/24/2022] Open
Abstract
Objective: To investigate the therapeutic efficacies of the Epley maneuver and Brandt-Daroff (BD) exercise in patients with benign paroxysmal positional vertigo involving the posterior semicircular canal cupulolithiasis (PC-BPPV-cu). Methods: We conducted a randomized clinical trial to evaluate the therapeutic effect of the Epley maneuver and BD exercise in patients with PC-BPPV-cu. Patients were randomly assigned to undergo the Epley maneuver (n = 29) or BD exercise (n = 33). The primary outcome was an immediate resolution of positional nystagmus within 1 h after a single treatment of each maneuver on the visit day. Secondary outcomes included the resolution of positional nystagmus at 1 week, the change of maximal slow phase velocity (mSPV) of positional nystagmus, and dizziness handicap inventory (DHI) immediately and at 1 week. Results: Immediate resolution occurred in none of 29 patients in the Epley maneuver group and only 1 of 33 patients in the BD exercise group. The Epley maneuver and BD exercise had an equivalent effect at 1 week in treating PC-BPPV-cu in terms of resolving positional nystagmus (48 vs. 36%, p = 0.436) and the decrease of mSPV and DHI. Conclusion: Neither the Epley maneuver nor BD exercise has an immediate therapeutic effect in treating PC-BPPV-cu. Clear classification of PC-BPPV should be required at the time of different pathology and different treatment response.
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Affiliation(s)
- Seo-Young Choi
- Department of Neurology, Pusan National University Hospital, Pusan National University School of Medicine and Biomedical Research Institute, Busan, South Korea
| | - Jae Wook Cho
- Department of Neurology, Pusan National University School of Medicine, Research Institute for Convergence of Biomedical Science and Technology, Pusan National University Yangsan Hospital, Yangsan, South Korea
| | - Jae-Hwan Choi
- Department of Neurology, Pusan National University School of Medicine, Research Institute for Convergence of Biomedical Science and Technology, Pusan National University Yangsan Hospital, Yangsan, South Korea
| | - Eun Hye Oh
- Department of Neurology, Pusan National University School of Medicine, Research Institute for Convergence of Biomedical Science and Technology, Pusan National University Yangsan Hospital, Yangsan, South Korea
| | - Kwang-Dong Choi
- Department of Neurology, Pusan National University Hospital, Pusan National University School of Medicine and Biomedical Research Institute, Busan, South Korea
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Park SY, An JH, Kwon H, Choi SY, Lim KY, Kwak HH, Hussein KH, Woo HM, Park KM. Custom-made artificial eyes using 3D printing for dogs: A preliminary study. PLoS One 2020; 15:e0242274. [PMID: 33216792 PMCID: PMC7678976 DOI: 10.1371/journal.pone.0242274] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2020] [Accepted: 10/29/2020] [Indexed: 01/02/2023] Open
Abstract
Various incurable eye diseases in companion animals often result in phthisis bulbi and eye removal surgery. Currently, the evisceration method using silicone balls is useful in animals; however, it is not available to those with impaired cornea or severe ocular atrophy. Moreover, ocular implant and prostheses are not widely used because of the diversity in animal size and eye shape, and high manufacturing cost. Here, we produced low-cost and customized artificial eyes, including implant and prosthesis, using computer-aided design and three-dimensional (3D) printing technique. For 3D modeling, the size of the artificial eyes was optimized using B-mode ultrasonography. The design was exported to STL files, and then printed using polycaprolactone (PCL) for prosthesis and mixture of PCL and hydroxyapatite (HA) for ocular implant. The 3D printed artificial eyes could be produced in less than one and half hour. The prosthesis was painted using oil colors and biocompatible resin. Two types of eye removal surgery, including evisceration and enucleation, were performed using two beagle dogs, as a preliminary study. After the surgery, the dogs were clinically evaluated for 6 months and then histopathological evaluation of the implant was done. Ocular implant was biocompatible and host tissue ingrowth was induced after in vivo application. The custom-made prosthesis was cosmetically excellent. Although long-term clinical follow-up might be required, the use of 3D printed-customized artificial eyes may be beneficial for animals that need personalized artificial eye surgery.
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Affiliation(s)
- So-Young Park
- Department of Ophthalmology and Surgery, College of Veterinary Medicine, Chungbuk National University, Cheongju, Korea
| | - Jeong-Hee An
- Department of Ophthalmology and Surgery, College of Veterinary Medicine, Chungbuk National University, Cheongju, Korea
| | - Hyun Kwon
- Department of Ophthalmology and Surgery, College of Veterinary Medicine, Chungbuk National University, Cheongju, Korea
| | - Seo-Young Choi
- Department of Ophthalmology and Surgery, College of Veterinary Medicine, Chungbuk National University, Cheongju, Korea
| | - Ka-Young Lim
- Department of Ophthalmology and Surgery, College of Veterinary Medicine, Chungbuk National University, Cheongju, Korea
| | - Ho-Hyun Kwak
- Department of Surgery, College of Veterinary Medicine, Kangwon National University, Chuncheon, Korea
| | - Kamal Hany Hussein
- Department of Surgery, College of Veterinary Medicine, Kangwon National University, Chuncheon, Korea
- Department of Animal Surgery, College of Veterinary Medicine, Assiut University, Assiut, Egypt
| | - Heung-Myong Woo
- Department of Surgery, College of Veterinary Medicine, Kangwon National University, Chuncheon, Korea
| | - Kyung-Mee Park
- Department of Ophthalmology and Surgery, College of Veterinary Medicine, Chungbuk National University, Cheongju, Korea
- * E-mail:
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Cho YS, Ko HG, Han HM, Park SK, Moozhayil SJ, Choi SY, Bae YC. Vesicular glutamate transporter-immunopositive axons that coexpress neuropeptides in the rat and human dental pulp. Int Endod J 2020; 54:377-387. [PMID: 33090483 DOI: 10.1111/iej.13427] [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: 05/25/2020] [Revised: 10/05/2020] [Accepted: 10/05/2020] [Indexed: 12/17/2022]
Abstract
AIM To examine the type of vesicular glutamate transporter (VGLUT)-immunopositive (+) axons that coexpress neuropeptides in the rat and human dental pulp, which may help understand peripheral mechanism of pulpal inflammatory pain in rats and humans. METHODOLOGY The trigeminal ganglia (TG) and the dental pulp of the maxillary molar teeth from three male Sprague-Dawley rats weighing 300-330 g and dental pulps of three healthy human (male) maxillary premolar teeth from three 16 to 28-year-old patients extracted for orthodontic treatment were used. The type of VGLUT + axons that coexpress substance P (SP)- and/or calcitonin gene-related peptide (CGRP) and parvalbumin in the rat TG and in the axons of the rat and the human dental pulp was examined by double fluorescence immunohistochemistry and quantitative analysis. Results were analyzed using one-way anova and the Kruskal-Wallis test. RESULTS SP and CGRP were expressed in many human VGLUT1 + pulpal axons but not in the rat VGLUT1 + TG neurons and pulpal axons (P < 0.05). SP and CGRP were expressed in a considerable number of human VGLUT2 + pulpal axons and also in many rat TG neurons and pulpal axons. The fraction of VGLUT1 + axons expressing parvalbumin was about three times higher in the rat than in the human dental pulp (P < 0.05). CONCLUSIONS These findings suggest that the types of VGLUT + axons, which release neuropeptides, may be different between the rat and the human dental pulp, raising a possibility that peripheral mechanism of pulpal inflammatory pain may be different between rats and humans.
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Affiliation(s)
- Y S Cho
- Department of Anatomy and Neurobiology, School of Dentistry, Kyungpook National University, Daegu, South Korea
| | - H G Ko
- Department of Anatomy and Neurobiology, School of Dentistry, Kyungpook National University, Daegu, South Korea
| | - H M Han
- Department of Anatomy and Neurobiology, School of Dentistry, Kyungpook National University, Daegu, South Korea
| | - S K Park
- Department of Anatomy and Neurobiology, School of Dentistry, Kyungpook National University, Daegu, South Korea
| | - S J Moozhayil
- Department of Anatomy and Neurobiology, School of Dentistry, Kyungpook National University, Daegu, South Korea
| | - S Y Choi
- Department of Oral & Maxillofacial Surgery, School of Dentistry, Kyungpook National University, Daegu, South Korea
| | - Y C Bae
- Department of Anatomy and Neurobiology, School of Dentistry, Kyungpook National University, Daegu, South Korea
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21
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Abstract
Objectives: Vestibular migraine (VM) is a common vestibular disorder, and familial aggregation of VM with autosomal-dominant inheritance has been described, which supports a genetic background. This study aimed to describe the clinical phenotype of a family with VM, and identify a candidate gene for VM. Methods: We recruited six individuals (four affected and two unaffected) from three consecutive generations of a Korean family with VM, and performed whole-exome sequencing to search for candidate genes. Results: All affected individuals presented with recurrent vertigo, headache, and nausea/vomiting that fulfilled the diagnostic criteria of VM. Two individuals also experienced transient hemiparesis or dysarthria during the episodes. The symptoms were triggered by physical or emotional stress. Interictal examinations showed uni- or bi-directional horizontal gaze-evoked nystagmus in three of the individuals. They had no causative mutations in genes causing familial hemiplegic migraine or episodic ataxia. Through whole-exome sequencing from three affected individuals, we identified a nonsense mutation c.3526C>T in TRPM7 that encodes a cation channel selective to Ca2+ and Mg2+. Conclusions: Alterations in intracellular Ca2+ and Mg2+ homeostasis by TRPM7 mutation may contribute to the development of the VM phenotype. Our result suggest that TRPM7 is a novel candidate gene for VM.
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Affiliation(s)
- Eun Hye Oh
- Department of Neurology, Pusan National University School of Medicine, Research Institute for Convergence of Biomedical Science and Technology, Pusan National University Yangsan Hospital, Yangsan, South Korea
| | - Jin-Hong Shin
- Department of Neurology, Pusan National University School of Medicine, Research Institute for Convergence of Biomedical Science and Technology, Pusan National University Yangsan Hospital, Yangsan, South Korea
| | - Jae Wook Cho
- Department of Neurology, Pusan National University School of Medicine, Research Institute for Convergence of Biomedical Science and Technology, Pusan National University Yangsan Hospital, Yangsan, South Korea
| | - Seo-Young Choi
- Department of Neurology, Pusan National University Hospital, Pusan National University School of Medicine and Biomedical Research Institute, Busan, South Korea
| | - Kwang-Dong Choi
- Department of Neurology, Pusan National University Hospital, Pusan National University School of Medicine and Biomedical Research Institute, Busan, South Korea
| | - Jae-Hwan Choi
- Department of Neurology, Pusan National University School of Medicine, Research Institute for Convergence of Biomedical Science and Technology, Pusan National University Yangsan Hospital, Yangsan, South Korea
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22
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Kim HA, Ahn J, Park HS, Lee SM, Choi SY, Oh EH, Choi JH, Kim JS, Choi KD. Cardiogenic vertigo: characteristics and proposed diagnostic criteria. J Neurol 2020; 268:1070-1075. [PMID: 33025120 DOI: 10.1007/s00415-020-10252-4] [Citation(s) in RCA: 4] [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: 06/09/2020] [Revised: 09/26/2020] [Accepted: 09/29/2020] [Indexed: 11/26/2022]
Abstract
Early identification of cardiogenic vertigo (CV) is necessary to prevent serious complications of cardiovascular diseases. However, the literature is limited to case reports without detailed clinical features or diagnostic criteria. The aim of this study was to define characteristics of CV and propose diagnostic criteria. This study included patients with CV diagnosed at Pusan National University and Keimyung University Hospitals. Demographic, clinical, laboratory, and treatment data were analyzed. Of 72 patients with clinically suspicious CV, 27 were finally included. The age ranged from 63 to 88 years (75.1 ± 7.2 years). Recurrent vertigo occurred without syncopal attacks in 52% [95% CI, 32-71], while it preceded (37% [19-58]) or followed (11% [2-29]) syncope. The patients with recurrent isolated vertigo had suffered from symptoms from 15 days to 5 years until final diagnosis (median 122 days). The vertigo lasted only for a few seconds (93% [76-99]) or a few minutes (7% [1-24]). Fourteen patients presented with spinning vertigo, and one of them showed spontaneous downbeat nystagmus during the attack. Accompanying symptoms including chest discomfort, palpitation, headache, arm twitching, and lightheadedness were found in 70% [50-86]. Between patients with and without syncope, there was no difference in clinical parameters and results of cardiac function tests. The most common cardiac abnormality during the attacks of vertigo was bradyarrhythmia (89% [71-98]). Cardiovascular diseases can develop recurrent isolated vertigo without or preceding syncope. Onset age, duration of vertigo, accompanying symptoms, and underlying cardiac diseases can aid in differentiation from other vestibular disorders. Early identification of CV would reduce morbidity and mortality associated with cardiac syncope.
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Affiliation(s)
- Hyun Ah Kim
- Department of Neurology, Keimyung University School of Medicine, Daegu, South Korea
| | - Jinhee Ahn
- Division of Cardiology, Department of Internal Medicine, Pusan National University Hospital, Pusan National University School of Medicine and Biomedical Research Institute, Pusan, South Korea
| | - Hyoung-Seob Park
- Division of Cardiology, Department of Internal Medicine, Brain Research Institute, Keimyung University School of Medicine, Daegu, South Korea
| | - Suk-Min Lee
- Department of Neurology, Pusan National University Hospital, Pusan National University School of Medicine and Biomedical Research Institute, Pusan, South Korea
| | - Seo-Young Choi
- Department of Neurology, Pusan National University Hospital, Pusan National University School of Medicine and Biomedical Research Institute, Pusan, South Korea
| | - Eun Hye Oh
- Department of Neurology, Pusan National University School of Medicine, Research Institute for Convergence of Biomedical Science and Technology, Pusan National University Yangsan Hospital, Yangsan, South Korea
| | - Jae-Hwan Choi
- Department of Neurology, Pusan National University School of Medicine, Research Institute for Convergence of Biomedical Science and Technology, Pusan National University Yangsan Hospital, Yangsan, South Korea
| | - Ji-Soo Kim
- Department of Neurology, Seoul National University College of Medicine, Seoul, Korea
- Dizziness Center, Clinical Neuroscience Center, Department of Neurology, Seoul National University Bundang Hospital, Seongnam, Korea
| | - Kwang-Dong Choi
- Department of Neurology, Pusan National University Hospital, Pusan National University School of Medicine and Biomedical Research Institute, Pusan, South Korea.
- Department of Neurology, College of Medicine, Pusan National University, National University Hospital, 179, Gudeok-ro, Seo-gu, Pusan, 602-739, Korea.
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23
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Sentell T, Choi SY, Ching L, Uchima O, Keliikoa LB, Irvin L, Pirkle C. Potentially Preventable Hospitalizations for Chronic Conditions among Youth. Eur J Public Health 2020. [DOI: 10.1093/eurpub/ckaa165.606] [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: 11/13/2022] Open
Abstract
Abstract
Objective
Chronic, preventable conditions like diabetes and hypertension previously seen primarily in adults are increasing among young people. Chronic disease-related potentially preventable hospitalizations (PPH) are costly. The study goal was to quantify potentially preventable hospitalizations (PPH) for chronic disease in those aged 5-29 years in one diverse state of the USA.
Methods
With Hawai'i statewide inpatient 2015-2016 data across all payers, we used standard metrics to capture asthma, diabetes, and hypertension PPH. Denominators were obtained by age group, gender, race/ethnicity, and living in O'ahu vs. other Hawaiian Islands from American Community Survey data. A multivariable negative binomial regression model predicted having a PPH adjusting for age group, gender, race/ethnicity, and O'ahu residency.
Results
Six percent (775) of inpatient hospitalizations among young people, representing 455 unique individuals, were PPH for a chronic disease. The types of PPH inpatient hospitalizations include diabetes (436), asthma (261), heart disease (64) and hypertension (14). The number of PPH visits per individual ranged from 1-20 with a mean of 1.7 (SD: 2.28) visits. The total cost of these PPH during this 2-year time period was $16,762,262. Among unique individuals with a chronic disease PPH (N = 455), the mean age was 17.5 (SD: 8.2); 55% were male. In the multivariable model, those who were between 10-14 years (RR:0.47;0.32-0.69) and 15-19 years (RR:0.46;0.31-0.69) were significantly less likely to have a PPH compared to those aged 5-9 years. Other Pacific Islanders were significantly more likely to have a PPH (RR: 3.08; 2.05-4.63) compared to whites.
Conclusions
Many hospitalizations by those aged 5-29 years were PPH. Pacific Islander youth had PPH chronic disease disparities. Chronic disease prevention and management is critical. Solutions may include equitable chronic disease prevention policies and improving access to culturally relevant care.
Key messages
This study reveals important disparities in youth that may lead to future health risks as well as current poor outcomes.
Other Pacific Islanders were at significantly increased risk for PPH for chronic disease compared to other racial/ethnic groups from early childhood to young adulthood.
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Affiliation(s)
- T Sentell
- OPHS, University of Hawaii at Manoa, Honolulu, USA
| | - S Y Choi
- JABSOM, University of Hawaii, Honolulu, USA
| | - L Ching
- Hawaii Department of Health, Honolulu, USA
| | - O Uchima
- OPHS, University of Hawaii at Manoa, Honolulu, USA
| | - L B Keliikoa
- OPHS, University of Hawaii at Manoa, Honolulu, USA
| | - L Irvin
- Hawaii Department of Health, Honolulu, USA
| | - C Pirkle
- OPHS, University of Hawaii at Manoa, Honolulu, USA
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24
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Sentell T, Choi SY, Ching L, Quensell M, Keliikoa LB, Corriveau E, Pirkle C. Chronic conditions among children, adolescents, and young adults in acute care settings. Eur J Public Health 2020. [DOI: 10.1093/eurpub/ckaa166.872] [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: 11/12/2022] Open
Abstract
Abstract
Background
Despite a growing prevalence of chronic disease risk factors, such as obesity, among young people in the United States and other countries, little is known about actual disease prevalence in this population. Almost nothing is known about this topic in many racial/ethnic groups that are rapidly growing in the United States, including Native Hawaiians, Other Pacific Islanders, and Filipinos. Yet these understudied groups are at high risk. The study goal was to determine the statewide prevalence of chronic disease in acute care for those aged 5-29 years, including Native Hawaiians, Filipinos, and Pacific Islanders.
Methods
Using Hawai'i statewide inpatient and emergency department (ED) data across all payers from 2015-2016, we considered the presence of at least one of five target chronic conditions (asthma, hypertension, chronic kidney disease, diabetes, stroke) from 13,514 inpatient stays by 9,467 unique individuals and 228,548 ED visits by 127,854 individuals.
Results
Twenty-eight percent of youth who were hospitalized and 12% with an ED visit had at least one chronic condition. In both inpatient and ED settings, race/ethnicity, age group, and payer varied significantly when comparing those with a chronic condition to those without a chronic condition. Notably, those with a chronic condition were disproportionately Native Hawaiian, Filipino, and Pacific Islander; 32.3% percent of those with an inpatient chronic condition and 34.9% of those with an ED chronic condition were Native Hawaiian.
Conclusions
Chronic diseases, including those more often seen in adulthood, are prevalent in young people in acute care settings in the state of Hawai'i with notable disparities. This data can help justify, guide, and support programs urgently needed to address these changing epidemiological trends, which may be of particular interest for Medicaid.
Key messages
We show that chronic conditions are prevalent in young people in acute care settings in the state of Hawai‘i with notable disparities. This can help justify, guide, and support programs to address these troubling epidemiological trends.
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Affiliation(s)
- T Sentell
- OPHS, University of Hawaii at Manoa, Honolulu, USA
| | - S Y Choi
- John A. Burns School of Medicine, University of Hawaii, Honolulu, USA
| | - L Ching
- Hawaii Department of Health, Honolulu, USA
| | - M Quensell
- OPHS, University of Hawaii at Manoa, Honolulu, USA
| | - L B Keliikoa
- OPHS, University of Hawaii at Manoa, Honolulu, USA
| | - E Corriveau
- OPHS, University of Hawaii at Manoa, Honolulu, USA
| | - C Pirkle
- OPHS, University of Hawaii at Manoa, Honolulu, USA
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25
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Jeong SH, Kim JS, Kim HJ, Choi JY, Koo JW, Choi KD, Park JY, Lee SH, Choi SY, Oh SY, Yang TH, Park JH, Jung I, Ahn S, Kim S. Prevention of benign paroxysmal positional vertigo with vitamin D supplementation. Neurology 2020; 95:e1117-e1125. [DOI: 10.1212/wnl.0000000000010343] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2019] [Accepted: 03/04/2020] [Indexed: 01/23/2023] Open
Abstract
ObjectiveTo assess the effect of vitamin D and calcium supplementation in preventing recurrences of benign paroxysmal positional vertigo (BPPV).MethodsWe performed an investigator-initiated, blinded-outcome assessor, parallel, multicenter, randomized controlled trial in 8 hospitals between December 2013 and May 2017. Patients with confirmed BPPV were randomly assigned to the intervention (n = 518) or the observation (n = 532) group after successful treatment with canalith repositioning maneuvers. The primary outcome was the annual recurrence rate (ARR). Patients in the intervention group had taken vitamin D 400 IU and 500 mg of calcium carbonate twice a day for 1 year when serum vitamin D level was lower than 20 ng/mL. Patients in the observation group were assigned to follow-ups without further vitamin D evaluation or supplementation.ResultsThe intervention group showed a reduction in the ARR (0.83 [95% confidence interval (CI), 0.74–0.92] vs 1.10 [95% CI, 1.00–1.19] recurrences per 1 person-year) with an incidence rate ratio of 0.76 (95% CI, 0.66–0.87, p < 0.001) and an absolute rate ratio of −0.27 (−0.40 to −0.14) from intention-to-treat analysis. The number needed to treat was 3.70 (95% CI, 2.50–7.14). The proportion of patients with recurrence was also lower in the intervention than in the observation group (37.8 vs 46.7%, p = 0.005).ConclusionsSupplementation of vitamin D and calcium may be considered in patients with frequent attacks of BPPV, especially when serum vitamin D is subnormal.Classification of evidenceThis study provides Class III evidence that for patients with BPPV, vitamin D and calcium supplementation reduces recurrences of BPPV.
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26
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Choi SY, Lee MJ, Oh EH, Choi JH, Choi KD. Short-Term Central Adaptation in Benign Paroxysmal Positional Vertigo. Front Neurol 2020; 11:260. [PMID: 32373046 PMCID: PMC7186433 DOI: 10.3389/fneur.2020.00260] [Citation(s) in RCA: 8] [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: 01/09/2020] [Accepted: 03/20/2020] [Indexed: 11/14/2022] Open
Abstract
Objective: To elucidate the frequency, underlying mechanisms, and clinical implications of spontaneous reversal of positional nystagmus (SRPN) in benign paroxysmal positional vertigo (BPPV). Methods: We prospectively recruited 182 patients with posterior canal (PC, n = 119) and horizontal canal (HC) BPPV (n = 63) canalolithiasis. We analyzed the maximal slow phase velocity (maxSPV), duration, and time constant (Tc) of positional nystagmus, and compared the measures between groups with and without SRPN. We also compared the treatment outcome between two groups. Results: The frequency of SRPN in PC- and HC-BPPV was 47 and 68%, respectively. The maxSPVs were greater in BPPV with SRPN than without, larger in HC-BPPV than PC-BPPV (114.3 ± 56.8 vs. 57.1 ± 38.1°/s, p < 0.001). The reversed nystagmus last longer in HC-BPPV than PC-BPPV. The Tc of positional nystagmus got shorter in PC-BPPV with SRPN (3.7 ± 1.8 s) than without SRPN (4.5 ± 2.0 s, p = 0.034), while it was longer during contralesional head turning in HC-BPPV with SRPN (14.8 ± 7.5 s) than that of ipsilesional side (7.3 ±2.8 s, p < 0.001). The treatment response did not significantly differ between groups with and without SRPN in both PC- and HC-BPPV (p = 0.378 and p = 0.737, respectively). Conclusion: The SRPN is common in both PC- and HC-BPPV canalolithiasis. The intensity of rotational stimuli may be a major determinant for the development of short-term central adaptation which utilizes the velocity-storage system below a certain velocity limit. The presence of SRPN is not related to treatment outcome in BPPV.
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Affiliation(s)
- Seo-Young Choi
- Department of Neurology, Pusan National University School of Medicine and Biomedical Research Institute, Pusan National University Hospital, Busan, South Korea
| | - Myung-Jun Lee
- Department of Neurology, Pusan National University School of Medicine and Biomedical Research Institute, Pusan National University Hospital, Busan, South Korea
| | - Eun Hye Oh
- Department of Neurology, Pusan National University School of Medicine, Research Institute for Convergence of Biomedical Science and Technology, Pusan National University Yangsan Hospital, Yangsan, South Korea
| | - Jae-Hwan Choi
- Department of Neurology, Pusan National University School of Medicine, Research Institute for Convergence of Biomedical Science and Technology, Pusan National University Yangsan Hospital, Yangsan, South Korea
| | - Kwang-Dong Choi
- Department of Neurology, Pusan National University School of Medicine and Biomedical Research Institute, Pusan National University Hospital, Busan, South Korea
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27
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Cho IJ, Lee JH, Choi SY, Chun EJ, Park SH, Han HW, Sung JD, Jung HO, Chang HJ. 430 Relation of blood pressure to coronary artery calcium and mortality. Eur Heart J Cardiovasc Imaging 2020. [DOI: 10.1093/ehjci/jez319.243] [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: 11/14/2022] Open
Abstract
Abstract
Background
Diastolic blood pressure has a J-curve relation with coronary heart disease and death, but it is debating whether a J-curve association exists in general population. We aimed to assess the relation of blood pressure to mortality, and whether their association is interacted with presence of high coronary artery calcium (CAC).
Methods
The KOICA registry is a retrospective, multicenter observational study designed to investigate the effectiveness and prognostic value of CAC score for primary prevention of cardiovascular disease in asymptomatic Korean adults. The association between CAC score and blood pressure was assessed. Patients were divided into 2 groups according to the baseline CACS (> 300 and ≤ 300), and all-cause mortality was assessed.
Results
The study population composed 48903 subjects with a mean age of 54 ± 9. There were 425 (0.9%) deaths during follow-up. At baseline, SBP (systolic blood pressure) more than 110 mmHg and DBP (diastolic blood pressure) more than 80 mmHg was associated with increased risk for CACS > 300. In patients with baseline CACS ≤ 300, all-cause mortality was increased in patients with SBP of 110-119 mmHg (HR 1.47, p = 0.023), 130-139 mmHg (HR 1.72, p = 0.002) and ≥ 140 mmHg (HR 1.47, p = 0.042) compared to SBP of 120-129 mmHg, whereas DBP did not predict all-cause mortality. In contrast, SBP was not associated to all-cause mortality in patients with CACS > 300, whereas DBP < 60 mmHg (HR 3.53, p =0.018) and 70-79 mmHg (HR 2.21, p = 0.042) was associated with increased risk for all-cause mortality compared to DBP of 80-89 mmHg.
Conclusion
Low DBP was associated with increased risk for all-cause mortality in subjects with high CAC score, suggesting high-risk for coronary artery disease. However, this J-curve relation was not shown in the population with low CAC score.
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Affiliation(s)
- I J Cho
- Ewha Womans University Seoul Hospital, Seoul, Korea (Republic of)
| | - J H Lee
- Hospital Myongji, Goyang, Korea (Republic of)
| | - S Y Choi
- Seoul National University, Seoul, Korea (Republic of)
| | - E J Chun
- Seoul National University, Seoul, Korea (Republic of)
| | - S H Park
- Gangnam Heartscan Clinic, Seoul, Korea (Republic of)
| | - H W Han
- Gangnam Heartscan Clinic, Seoul, Korea (Republic of)
| | - J D Sung
- Samsung Medical Center, Seoul, Korea (Republic of)
| | - H O Jung
- The Catholic University of Korea, Seoul, Korea (Republic of)
| | - H J Chang
- Yonsei University College of Medicine, Cardiology Division, Seoul, Korea (Republic of)
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28
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Kim JY, Choi KD, Choi JH, Choi SY. Serial change of opsoclonus associated with Mycoplasma pneumoniae infection. Neurol Sci 2019; 41:1589-1590. [PMID: 31832996 DOI: 10.1007/s10072-019-04171-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2018] [Accepted: 11/21/2019] [Indexed: 11/24/2022]
Affiliation(s)
- Ji-Young Kim
- Department of Neurology, College of Medicine, Pusan National University Hospital, Pusan National University School of Medicine and Biomedical Research Institute, 179, Gudeok-ro, Seo-gu, Busan, 602-739, Korea
| | - Kwang-Dong Choi
- Department of Neurology, College of Medicine, Pusan National University Hospital, Pusan National University School of Medicine and Biomedical Research Institute, 179, Gudeok-ro, Seo-gu, Busan, 602-739, Korea
| | - Jae-Hwan Choi
- Department of Neurology, Research Institute for Convergence of Biomedical Science and Technology, Pusan National University Yangsan Hospital, Pusan National University School of Medicine, Busan, South Korea
| | - Seo-Young Choi
- Department of Neurology, College of Medicine, Pusan National University Hospital, Pusan National University School of Medicine and Biomedical Research Institute, 179, Gudeok-ro, Seo-gu, Busan, 602-739, Korea.
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29
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Choi SY, Kim MH, Lee KM, Jang CH, Choi JY. P4791Performance of the HAS-BLED, ATRIA, and PRECISE-DAPT Bleeding Risk Scores in Atrial Fibrillation Patients Using Antiplatelet Agents or Oral Anticoagulants. Eur Heart J 2019. [DOI: 10.1093/eurheartj/ehz745.1167] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [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: 11/14/2022] Open
Abstract
Abstract
Background
Various bleeding risk scores have been proposed to assess the risk of bleeding in atrial fibrillation (AF) patients undergoing anticoagulation. PRECISE DAPT score has been developed to assess the out-of hospital bleeding risk in patients receiving dual antiplatelet therapy (DAPT). Our objective was to compare the predictive performance between the HAS-BLED (Hypertension, Abnormal Renal/Liver Function, Stroke, Bleeding History or Predisposition, Labile International Normalized Ratio, Elderly, Drugs/Alcohol), ATRIA (Anticoagulation and Risk Factors in Atrial Fibrillation), and PRECISE-DAPT (Predicting Bleeding Complication in Patients Undergoing Stent Implantation and Subsequent Dual Antiplatelet therapy) score in AF patients using antiplatelet agents or anticoagulants
Methods
We recruited 1,114 consecutive AF patients (51% male; median age, 71 years) receiving antiplatelet agents or oral anticoagulants from January 2014 through December 2018. Major bleeding was defined as according to the Bleeding Academic Research Consortium (BARC) criteria (type 3 or 5: hemodynamic instability, need for transfusion, drop in hemoglobin ≥3 g, and intracranial, intraocular or fatal bleeding). The performance of risk scores were assessed by C-statistic.
Results
Bleeding events occurred in 135 patients (12.1%) during 30 days, and 72 patients (6.5%) from 30 days till 1-year follow-up. Based on the C-statistic, PRECISE-DAPT score (AUC: 0.72, 95% CI: 0.69–0.75) had a good performance, significantly better than HAS-BLED (AUC: 0.64, 95% CI: 0.61–0.67) (p=0.008) or ATRIA scores (AUC: 0.57, 95% CI: 0.54–0.60) (p<0.001) for 30-days bleeding prediction. Also, PRECISE-DAPT score had a good C-statistic (AUC: 0.72, 95% CI: 0.69–0.75) for 1-year bleeding events compared with HAS-BLED (AUC: 0.64, 95% CI: 0.60–0.67) (p=0.02) or ATRIA (AUC: 0.61, 95% CI: 0.58–0.65) (p=0.01).
ROC curve for bleeding
Conclusions
The PRECISE-DAPT score has been used for assessing bleeding events during DAPT. Also, the PRECISE-DAPT score predicted bleedings better than HAS-BLED or ATRIA scores in AF patients. So, the PRECISE-DAPT score may be considered as bleeding risk score during DAPT or oral anticoagulation in clinical practice.
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Affiliation(s)
- S Y Choi
- Daeu Health College, Department of Biomedical Laboratory Science, Daegu, Korea (Republic of)
| | - M H Kim
- Dong-A University, Department of Cardiology, College of Medicine, Busan, Korea (Republic of)
| | - K M Lee
- Dong-A University, Department of Cardiology, College of Medicine, Busan, Korea (Republic of)
| | - C H Jang
- Dong-A University, Department of Cardiology, College of Medicine, Busan, Korea (Republic of)
| | - J Y Choi
- Dong-A University, Department of Cardiology, College of Medicine, Busan, Korea (Republic of)
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30
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Lee KM, Kim MH, Choi SY, Kim SJ, Kim SW, Park JS. P4776Age-dependent anti-thrombotic therapy for atrial fibrillation patients with intermediate risk (CHA2DS2-VASc Score of 1 or 2) of ischemic stroke. Eur Heart J 2019. [DOI: 10.1093/eurheartj/ehz745.1152] [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: 11/13/2022] Open
Abstract
Abstract
Background
Although older age is one of the most important risk factor for stroke in atrial fibrillation (AF), it is unclear whether oral anticoagulants are beneficial for AF patients with intermediate CHA2DS2-VASc score (1 for male or 2 for female) according to age threshold. We sought to investigate the effect of age-dependent antithrombotic therapy for ischemic stroke in Korean intermediate risk AF patients.
Methods
We enrolled 29,592 patients (males with CHA2DS2-VASc score of 1 and females with CHA2DS2-VASc score of 2) using the Korean National Health Insurance Service database. The clinical endpoint was the occurrence of ischemic stroke. The propensity score matching method was used to balance covariates across treated and untreated patients.
Results
Treated male AF patients were 6,570 (67.1%) with age <55 years, 7,115 (70.9%) with 55–64 years and 6,470 (68.3%) with 65–74 years in each age risk criterion. Also, treated female AF patients were 3,156 (71.3%) with age <55 years, 2,838 (71.0%) with 55–64 years and 3,440 (72.6%) with 65–74 years in each age risk criterion. Among male and female patients (age <55 years and 55–64 years) with 1 risk factor, an annual ischemic stroke rate was not significantly different between treated and untreated patients at full follow-up. However, treated AF patients who are in age 65–74 year without other risk factor had a much lower annual risk of ischemic stroke [(1.05%/year (male) and 1.04%/year (female)] compared with untreated patients [(1.77%/year (male) (p<0.026) and 1.86%/year (female) (p<0.041).
Conclusions
Age is an important predictor in determining the risk of ischemic stroke in AF patients with intermediate CHA2DS2-VASc scores (1 for male or 2 for female). We suggest that the benefit of anti-thrombotic therapy for intermediate risk AF patients depends on age threshold.
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Affiliation(s)
- K M Lee
- Dong-A University, Department of Cardiology, College of Medicine, Busan, Korea (Republic of)
| | - M H Kim
- Dong-A University, Department of Cardiology, College of Medicine, Busan, Korea (Republic of)
| | - S Y Choi
- Daeu Health College, Department of Biomedical Laboratory Science, Daegu, Korea (Republic of)
| | - S J Kim
- Dong-A University, Department of Cardiology, College of Medicine, Busan, Korea (Republic of)
| | - S W Kim
- Dong-A University, Department of Cardiology, College of Medicine, Busan, Korea (Republic of)
| | - J S Park
- Dong-A University, Department of Cardiology, College of Medicine, Busan, Korea (Republic of)
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Choi SY, Kim MH, Lee KM, Kim JK, Woo JY, Cho YR. P5661Validation of CHA2DS2-VA score (excluding female sex) in non-valvular atrial fibrillation patients: a nationwide population-based study. Eur Heart J 2019. [DOI: 10.1093/eurheartj/ehz746.0604] [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: 11/13/2022] Open
Abstract
Abstract
Background
Sex category (Sc, ie, female sex) confers 1 point on CHA2DS2-VASc score. So, no woman with atrial fibrillation (AF) can have a CHA2DS2-VASc score of 0. This study aimed to compare CHA2DS2-VA (excluding female sex) and CHA2DS2-VASc score in Korean AF patients.
Methods
Using the Korean National Health Insurance Service database, we analyzed the risk of ischemic stroke in non-valvular AF patients between 2013 and 2017. The predictive value of the CHA2DS2-VA and CHA2DS2-VASc scores for ischemic stroke was evaluated by c-statistic difference and net reclassification improvement (NRI). The propensity score matching method was used to balance covariates across male and female AF patients.
Results
A total of 182,133 patients with AF (49.2% women) were included to this study. The adjusted incidence rate (IR) of ischemic stroke was not significantly different between males and females (0.89%/y and 0.90%/y, respectively, p=0.411) in low-risk patients without risk factor. Also, no sex difference was found in high-risk patients with above 2 risk factors for ischemic stroke (4.46%/y for male and 4.49%/y for male, p=0.498). In c-statistic analysis for ischemic stroke, there was no significant difference between the CHA2DS2-VA and CHA2DS2-VASc scores (AUC 0.662 vs. 0.664, z=1.572, p=0.116). When compared with CHA2DS2-VASc score, CHA2DS2-VA score was not significantly inferior in net reclassification improvement (NRI 0.031, 95% CI 0.002–0.037, p=0.118) for ischemic stroke.
C-statistics
Conclusions
In Korean AF patients, the CHA2DS2-VA score excluding female sex is a useful risk scoring system for ischemic stroke.
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Affiliation(s)
- S Y Choi
- Daeu Health College, Department of Biomedical Laboratory Science, Daegu, Korea (Republic of)
| | - M H Kim
- Dong-A University, Department of Cardiology, College of Medicine, Busan, Korea (Republic of)
| | - K M Lee
- Dong-A University, Department of Cardiology, College of Medicine, Busan, Korea (Republic of)
| | - J K Kim
- Dong-A University, Department of Cardiology, College of Medicine, Busan, Korea (Republic of)
| | - J Y Woo
- Dong-A University, Department of Cardiology, College of Medicine, Busan, Korea (Republic of)
| | - Y R Cho
- Dong-A University, Department of Cardiology, College of Medicine, Busan, Korea (Republic of)
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Rha SW, Choi BG, Choi SY, Byun JK, Cha JA, Park TS. P6435A diagnostic prediction model of coronary artery disease in patient with chest pain using machine learning. Eur Heart J 2019. [DOI: 10.1093/eurheartj/ehz746.1029] [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: 11/13/2022] Open
Abstract
Abstract
Background
Chest pain is a major symptom of coronary artery disease (CAD), which can lead to acute coronary syndrome and sudden cardiac death. Accurate diagnosis of CAD in patients who experience chest pain is crucial to provide appropriate treatment and optimize clinical outcomes.
Objective
This study was to develop a machine learning model which can predict and diagnose CAD in patients complaining of chest pain based on a large real-world prospective registry database and computing power.
Method
A total of 10,177 subjects with typical or atypical chest pain who underwent a coronary angiography at the cardiovascular center of our University Hospital, South Korea between November 2004 and May 2014 were evaluated in this study. The generation of the diagnostic prediction model for CAD used the classification application by technical support of MATLAB R2017a. The performance evaluation of the learning model generated by machine learning was evaluated by the area under the curve (AUC) of the receiver-operating characteristic (ROC) analysis.
Results
The diagnostic prediction model of CAD had been generated according to the user's accessibility such as the general public or clinician (Model 1–4). The performance of the models has ranged from 0.78 to 0.96 by the AUC of ROC analysis. The prediction accuracy of the models ranged from 70.4% to 88.9%. The performance of the diagnostic prediction model of CAD by machine learning improved as the input information increased.
Figure 1. Study Flow Chart
Conclusion
A diagnostic prediction model of CAD using the machine learning method and the registry database was developed. Further studies are needed to verify our results.
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Affiliation(s)
- S W Rha
- Korea University Guro Hospital, Seoul, Korea (Democratic People's Republic of)
| | - B G Choi
- Korea University Guro Hospital, Seoul, Korea (Democratic People's Republic of)
| | - S Y Choi
- Korea University Guro Hospital, Seoul, Korea (Democratic People's Republic of)
| | - J K Byun
- Korea University Guro Hospital, Seoul, Korea (Democratic People's Republic of)
| | - J A Cha
- Korea University Guro Hospital, Seoul, Korea (Democratic People's Republic of)
| | - T S Park
- Virginia Commonwealth University, Division of Cardiology, Richmond, United States of America
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Lim H, Yang HM, Yoon MH, Seo KW, Choi BJ, Choi SY, Seo JY, Jin U, Tahk SJ. 6112Usefulness of the trans-stent fractional flow reserve gradient for predicting clinical outcomes. Eur Heart J 2019. [DOI: 10.1093/eurheartj/ehz746.0138] [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: 11/13/2022] Open
Abstract
Abstract
Aims
The clinical meaning of a trans-stent pressure gradient after DES implantation has not been estimated adequately. We evaluated the usefulness of a fractional flow reserve (FFR) gradient across the stent (ΔFFRstent) for long-term clinical outcomes after percutaneous coronary intervention (PCI) with a drug-eluting stent (DES).
Methods and results
FFR pull-back and intravascular ultrasound (IVUS) were performed after successful PCI in 135 left anterior descending artery lesions. ΔFFRstent was defined as the FFR gradient across the stent. The ΔFFRstent/length was defined as the ΔFFRstent value divided by the total stent length multiplied by 10 [= (ΔFFRstent ÷ stent length) x 10]. Major adverse cardiac events (MACEs) were the composite of all-cause death, target vessel related myocardial infarction, and target lesion revascularisation. Despite successful PCI without significant complications on IVUS, ΔFFRstent >0 was observed in 98.5% of cases. ΔFFRstent ≥0.04 and ΔFFRstent/length ≥0.009 predicted suboptimal stenting defined as final minimal stent area <5.5 mm2. During 2183±898 days, the MACE-free survival rate was significantly lower in patients with ΔFFRstent ≥0.04 and ΔFFRstent/length ≥0.009 compared to those with lower values (69.6 vs. 93.4%, log-rank p=0.031; 72.1 vs. 97.7%, log-rank p=0.003, respectively). ΔFFRstent/length ≥0.009 (hazard ratio 10.1, p=0.032) was an independent predictor of MACE.
Trans-stent FFR and MACE
Conclusion
A trans-stent FFR gradient was frequently observed in DES-treated patients despite successful PCI results. ΔFFRstent and ΔFFRstent/length are useful indicators for optimising a DES and are related to long-term outcomes.
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Affiliation(s)
- H Lim
- Ajou University Medical Center, Suwon, Korea (Republic of)
| | - H M Yang
- Ajou University Medical Center, Suwon, Korea (Republic of)
| | - M H Yoon
- Ajou University Medical Center, Suwon, Korea (Republic of)
| | - K W Seo
- Ajou University Medical Center, Suwon, Korea (Republic of)
| | - B J Choi
- Ajou University Medical Center, Suwon, Korea (Republic of)
| | - S Y Choi
- Ajou University Medical Center, Suwon, Korea (Republic of)
| | - J Y Seo
- Ajou University Medical Center, Suwon, Korea (Republic of)
| | - U Jin
- Ajou University Medical Center, Suwon, Korea (Republic of)
| | - S J Tahk
- Ajou University Medical Center, Suwon, Korea (Republic of)
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Rha SW, Choi BG, Choi SY, Byun JK, Cha JA. P1944Relationship between the duration of hypertension and cerebral and cardiovascular disease in the adult Korean population. Eur Heart J 2019. [DOI: 10.1093/eurheartj/ehz748.0691] [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: 11/13/2022] Open
Abstract
Abstract
Background
Although advances in medical technology and health care have led to increased life expectancy, the prevalence of chronic diseases such as hypertension, diabetes, stroke and cardiovascular events has increased.
Purpose
This study evaluated the prevalence of hypertension, treatment, and the impact of hypertension on cardiovascular disease (CVD) and stroke risk in Koreans.
Methods
The Korean National Health and Nutritional Examination Survey (KNHANES) database, which is a stratified random sampling to assess the health and nutritional status of Koreans (https://knhanes.cdc.go.kr), was analyzed for this study. The subjects of the survey were sampled to represent the entire population of the Republic of Korea. The endpoints of the study are the risk of CVD and stroke due to the prevalence of hypertension. We also examined the relationship between the control of hypertension and the risk of CVD and stroke.
Results
The prevalence of hypertension has increased rapidly as with longer life expectancy of the population. As the duration of hypertension increases, CVD and stroke risks are increased. Achieving a target goal blood pressure below 140/90 mmHg can reduce the risk of all CVD and stroke by nearly half.
Korea-HTN
Conclusion
The risk of CVD and stroke in hypertensive patients can be significantly reduced by achieving optimal blood pressure control.
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Affiliation(s)
- S W Rha
- Korea University Guro Hospital, Seoul, Korea (Democratic People's Republic of)
| | - B G Choi
- Korea University Guro Hospital, Seoul, Korea (Democratic People's Republic of)
| | - S Y Choi
- Korea University Guro Hospital, Seoul, Korea (Democratic People's Republic of)
| | - J K Byun
- Korea University Guro Hospital, Seoul, Korea (Democratic People's Republic of)
| | - J A Cha
- Korea University Guro Hospital, Seoul, Korea (Democratic People's Republic of)
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Oh EH, Choi SY, Choi KD, Choi JH. Isolated tonsilar infarction presenting with positional vertigo and nystagmus. J Neurol 2019; 266:2578-2580. [DOI: 10.1007/s00415-019-09468-w] [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] [Subscribe] [Scholar Register] [Received: 04/12/2019] [Revised: 07/10/2019] [Accepted: 07/11/2019] [Indexed: 10/26/2022]
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Affiliation(s)
- Eun Hye Oh
- From the Departments of Neurology (E.H.O., S.-H.C., J.-W.C., J.-H.C.) and Radiology (S.K.B.), Research Institute for Convergence of Biomedical Science and Technology, Pusan National University School of Medicine, Pusan National University Yangsan Hospital; and Department of Neurology (S.-Y.C., K.-D.C.), Pusan National University School of Medicine and Biomedical Research Institute, Pusan National University Hospital, Busan, South Korea
| | - Song-Hwa Chae
- From the Departments of Neurology (E.H.O., S.-H.C., J.-W.C., J.-H.C.) and Radiology (S.K.B.), Research Institute for Convergence of Biomedical Science and Technology, Pusan National University School of Medicine, Pusan National University Yangsan Hospital; and Department of Neurology (S.-Y.C., K.-D.C.), Pusan National University School of Medicine and Biomedical Research Institute, Pusan National University Hospital, Busan, South Korea
| | - Jae-Wook Cho
- From the Departments of Neurology (E.H.O., S.-H.C., J.-W.C., J.-H.C.) and Radiology (S.K.B.), Research Institute for Convergence of Biomedical Science and Technology, Pusan National University School of Medicine, Pusan National University Yangsan Hospital; and Department of Neurology (S.-Y.C., K.-D.C.), Pusan National University School of Medicine and Biomedical Research Institute, Pusan National University Hospital, Busan, South Korea
| | - Seung Kug Baik
- From the Departments of Neurology (E.H.O., S.-H.C., J.-W.C., J.-H.C.) and Radiology (S.K.B.), Research Institute for Convergence of Biomedical Science and Technology, Pusan National University School of Medicine, Pusan National University Yangsan Hospital; and Department of Neurology (S.-Y.C., K.-D.C.), Pusan National University School of Medicine and Biomedical Research Institute, Pusan National University Hospital, Busan, South Korea
| | - Seo-Young Choi
- From the Departments of Neurology (E.H.O., S.-H.C., J.-W.C., J.-H.C.) and Radiology (S.K.B.), Research Institute for Convergence of Biomedical Science and Technology, Pusan National University School of Medicine, Pusan National University Yangsan Hospital; and Department of Neurology (S.-Y.C., K.-D.C.), Pusan National University School of Medicine and Biomedical Research Institute, Pusan National University Hospital, Busan, South Korea
| | - Kwang-Dong Choi
- From the Departments of Neurology (E.H.O., S.-H.C., J.-W.C., J.-H.C.) and Radiology (S.K.B.), Research Institute for Convergence of Biomedical Science and Technology, Pusan National University School of Medicine, Pusan National University Yangsan Hospital; and Department of Neurology (S.-Y.C., K.-D.C.), Pusan National University School of Medicine and Biomedical Research Institute, Pusan National University Hospital, Busan, South Korea
| | - Jae-Hwan Choi
- From the Departments of Neurology (E.H.O., S.-H.C., J.-W.C., J.-H.C.) and Radiology (S.K.B.), Research Institute for Convergence of Biomedical Science and Technology, Pusan National University School of Medicine, Pusan National University Yangsan Hospital; and Department of Neurology (S.-Y.C., K.-D.C.), Pusan National University School of Medicine and Biomedical Research Institute, Pusan National University Hospital, Busan, South Korea.
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Rha SW, Choi BG, Choi SY, Byun JK, Hong JY, Park JY, Park SH, Choi CU, Park CG, Seo HS. P281Impact of anemia on development of new-onset diabetes mellitus and 5-year major clinical outcomes in the korean population. Eur Heart J 2018. [DOI: 10.1093/eurheartj/ehy564.p281] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Affiliation(s)
- S W Rha
- Korea University Guro Hospital, Seoul, Korea Republic of
| | - B G Choi
- Korea University Guro Hospital, Seoul, Korea Republic of
| | - S Y Choi
- Korea University Guro Hospital, Seoul, Korea Republic of
| | - J K Byun
- Korea University Guro Hospital, Seoul, Korea Republic of
| | - J Y Hong
- Hanil general hospital, Seoul, Korea Republic of
| | - J Y Park
- Eulji General Hospital, Seoul, Korea Republic of
| | - S H Park
- Soonchunhyang University Cheonan Hospital, Cheonan, Korea Republic of
| | - C U Choi
- Korea University Guro Hospital, Seoul, Korea Republic of
| | - C G Park
- Korea University Guro Hospital, Seoul, Korea Republic of
| | - H S Seo
- Korea University Guro Hospital, Seoul, Korea Republic of
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Nguyen ET, Posas-Mendoza T, Siu AM, Ahn HJ, Choi SY, Lim SY. Low rates of osteoporosis treatment after hospitalization for hip fracture in Hawaii. Osteoporos Int 2018; 29:1827-1832. [PMID: 29744567 DOI: 10.1007/s00198-018-4553-2] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [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: 02/04/2018] [Accepted: 04/25/2018] [Indexed: 11/28/2022]
Abstract
UNLABELLED We evaluated osteoporosis treatment and DEXA utilization rates of patients who were admitted for hip fracture in a single healthcare system in Hawaii from 2015 to 2016. We found that osteoporosis treatment and DEXA utilization rates were low, highlighting a critical gap in osteoporosis care after admission for hip fracture. INTRODUCTION The objective of this study was to evaluate osteoporosis care after an admission for hip fracture at three community hospitals within a single healthcare system in Hawaii. METHODS A retrospective chart review was conducted (n = 428) of patients ≥ 50 years and hospitalized for hip fractures between January 1, 2015, and May 31, 2016, at three major hospitals within Hawaii Pacific Health, a large healthcare system in Hawaii. Basic demographics were collected, and medications prescribed were quantified and described within 1 year of hip fracture. Logistic regression was used to evaluate the association between collected variables and the odds of osteoporosis treatment. RESULTS Only 115 (26.9%) patients were prescribed a medication for osteoporosis as a secondary prevention within a year of hospitalization for hip fracture. DEXA scans were performed in 137 (32.0%) patients. Most of the treated patients were prescribed oral bisphosphonates. Treatment facility, female gender, and higher BMI were found to be predictive factors for osteoporosis treatment. CONCLUSION The use of osteoporosis medication for secondary prevention after admission for hip fracture in Hawaii is low. Efforts need to be made to improve treatment rates, especially among males.
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Affiliation(s)
- E T Nguyen
- Lewis and Clark College, Portland, OR, USA
| | - T Posas-Mendoza
- Department of Internal Medicine, University of Hawaii, Honolulu, HI, USA
| | - A M Siu
- Hawaii Pacific Health Research Institute, Honolulu, HI, USA
| | - H J Ahn
- Department of Complementary and Integrative Medicine, University of Hawaii, Honolulu, HI, USA
| | - S Y Choi
- Department of Complementary and Integrative Medicine, University of Hawaii, Honolulu, HI, USA
| | - S Y Lim
- Hawaii Pacific Health, Bone and Joint Center, Straub Clinic, 888 S. King Street, Honolulu, HI, 96813, USA.
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Rha SW, Choi BG, Choi SY, Byun JK, Hong JY, Park JY, Park SH, Choi CU, Park CG, Seo HS. P282Application of machine learning for predicting new-onset diabetes mellitus during 5-year follow-up in non-diabetic patients with cardiovascular risk. Eur Heart J 2018. [DOI: 10.1093/eurheartj/ehy564.p282] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Affiliation(s)
- S W Rha
- Korea University Guro Hospital, Seoul, Korea Republic of
| | - B G Choi
- Korea University Guro Hospital, Seoul, Korea Republic of
| | - S Y Choi
- Korea University Guro Hospital, Seoul, Korea Republic of
| | - J K Byun
- Korea University Guro Hospital, Seoul, Korea Republic of
| | - J Y Hong
- Hanil general hospital, Seoul, Korea Republic of
| | - J Y Park
- Eulji General Hospital, Seoul, Korea Republic of
| | - S H Park
- Soonchunhyang University Cheonan Hospital, Cheonan, Korea Republic of
| | - C U Choi
- Korea University Guro Hospital, Seoul, Korea Republic of
| | - C G Park
- Korea University Guro Hospital, Seoul, Korea Republic of
| | - H S Seo
- Korea University Guro Hospital, Seoul, Korea Republic of
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Choi SY, Kim MH, Kim SJ, Park KI, Chung MT, Lee KM, Park JS. P1723When will be appropriate time for P2Y12 inhibitors dose de-escalation? Eur Heart J 2018. [DOI: 10.1093/eurheartj/ehy565.p1723] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Affiliation(s)
- S Y Choi
- Daegu Health College, Department of Biomedical Laboratory Science, Daegu, Korea Republic of
| | - M H Kim
- Dong-A University, Department of Cardiology, College of Medicine, Busan, Korea Republic of
| | - S J Kim
- Dong-A University, Department of Cardiology, College of Medicine, Busan, Korea Republic of
| | - K I Park
- Dong-A University, Department of Cardiology, College of Medicine, Busan, Korea Republic of
| | - M T Chung
- Dong-A University, Department of Cardiology, College of Medicine, Busan, Korea Republic of
| | - K M Lee
- Dong-A University, Department of Cardiology, College of Medicine, Busan, Korea Republic of
| | - J S Park
- Dong-A University, Department of Cardiology, College of Medicine, Busan, Korea Republic of
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Lee JH, Yoon MH, Tahk SJ, Shin JH, Hwang GS, Choi SY, Choi BJ, Lim HS, Yang HM, Park JS, Seo KW. P3492Nonagenarians with acute myocardial infarction; invasive versus conservative strategy. Eur Heart J 2018. [DOI: 10.1093/eurheartj/ehy563.p3492] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Affiliation(s)
- J H Lee
- Ajou University Hospital, Cardiology, Suwon, Korea Republic of
| | - M H Yoon
- Ajou University Hospital, Cardiology, Suwon, Korea Republic of
| | - S J Tahk
- Ajou University Hospital, Cardiology, Suwon, Korea Republic of
| | - J H Shin
- Ajou University Hospital, Cardiology, Suwon, Korea Republic of
| | - G S Hwang
- Ajou University Hospital, Cardiology, Suwon, Korea Republic of
| | - S Y Choi
- Ajou University Hospital, Cardiology, Suwon, Korea Republic of
| | - B J Choi
- Ajou University Hospital, Cardiology, Suwon, Korea Republic of
| | - H S Lim
- Ajou University Hospital, Cardiology, Suwon, Korea Republic of
| | - H M Yang
- Ajou University Hospital, Cardiology, Suwon, Korea Republic of
| | - J S Park
- Ajou University Hospital, Cardiology, Suwon, Korea Republic of
| | - K W Seo
- Ajou University Hospital, Cardiology, Suwon, Korea Republic of
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Kim MJ, Jung HO, Jeon DS, Han DH, Park HE, Choi SY, Sung JD, Chang HJ. P4455Differential impact of cardiovascular risk factors on aorta and coronary artery aging. Eur Heart J 2018. [DOI: 10.1093/eurheartj/ehy563.p4455] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Affiliation(s)
- M.-J Kim
- Incheon St.Mary's hospital, Incheon, Korea Republic of
| | - H O Jung
- Seoul St. Mary's Hospital, Seoul, Korea Republic of
| | - D S Jeon
- Incheon St.Mary's hospital, Incheon, Korea Republic of
| | - D H Han
- Yonsei Cardiovascular Center, Seoul, Korea Republic of
| | - H E Park
- Seoul National University Hospital, Seoul, Korea Republic of
| | - S Y Choi
- Seoul National University Hospital, Seoul, Korea Republic of
| | - J D Sung
- Samsung Medical Center, Seoul, Korea Republic of
| | - H J Chang
- Yonsei Cardiovascular Center, Seoul, Korea Republic of
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Rha SW, Byun JK, Choi BG, Choi SY, Hong JY, Park JY, Park SH, Choi CU, Park CG, Seo HS. P3623Impact of blood urea nitrogen/creatinine ratio in coronary artery disease patients underwent successful percutaneous coronary intervention with drug eluting stents: 5-year follow-up results. Eur Heart J 2018. [DOI: 10.1093/eurheartj/ehy563.p3623] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Affiliation(s)
- S W Rha
- Korea University Guro Hospital, Seoul, Korea Republic of
| | - J K Byun
- Korea University Guro Hospital, Seoul, Korea Republic of
| | - B G Choi
- Korea University Guro Hospital, Seoul, Korea Republic of
| | - S Y Choi
- Korea University Guro Hospital, Seoul, Korea Republic of
| | - J Y Hong
- Hanil general hospital, Seoul, Korea Republic of
| | - J Y Park
- Eulji General Hospital, Seoul, Korea Republic of
| | - S H Park
- Soonchunhyang University Cheonan Hospital, Cheonan, Korea Republic of
| | - C U Choi
- Korea University Guro Hospital, Seoul, Korea Republic of
| | - C G Park
- Korea University Guro Hospital, Seoul, Korea Republic of
| | - H S Seo
- Korea University Guro Hospital, Seoul, Korea Republic of
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Rha SW, Mashaly A, Choi BG, Choi SY, Byun JK, Hong JY, Park JY, Park SH, Choi CU, Park CG, Seo HS. P1636Impact of uric acid on 5-year clinical outcomes after below-the-knee endovascular intervention. Eur Heart J 2018. [DOI: 10.1093/eurheartj/ehy565.p1636] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Affiliation(s)
- S W Rha
- Korea University Guro Hospital, Seoul, Korea Republic of
| | - A Mashaly
- Korea University Guro Hospital, Seoul, Korea Republic of
| | - B G Choi
- Korea University Guro Hospital, Seoul, Korea Republic of
| | - S Y Choi
- Korea University Guro Hospital, Seoul, Korea Republic of
| | - J K Byun
- Korea University Guro Hospital, Seoul, Korea Republic of
| | - J Y Hong
- Hanil general hospital, Seoul, Korea Republic of
| | - J Y Park
- Eulji General Hospital, Seoul, Korea Republic of
| | - S H Park
- Soonchunhyang University Cheonan Hospital, Cheonan, Korea Republic of
| | - C U Choi
- Korea University Guro Hospital, Seoul, Korea Republic of
| | - C G Park
- Korea University Guro Hospital, Seoul, Korea Republic of
| | - H S Seo
- Korea University Guro Hospital, Seoul, Korea Republic of
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Lee JH, Yoon MH, Tahk SJ, Shin JH, Hwang GS, Choi SY, Choi BJ, Lim HS, Yang HM, Park JS, Seo KW. P2627Comparision of 3-dimensional quantitative coronary angiography and intravascular ultrasound for detecting functionally significant coronary lesions. Eur Heart J 2018. [DOI: 10.1093/eurheartj/ehy565.p2627] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Affiliation(s)
- J H Lee
- Ajou University Hospital, Cardiology, Suwon, Korea Republic of
| | - M H Yoon
- Ajou University Hospital, Cardiology, Suwon, Korea Republic of
| | - S J Tahk
- Ajou University Hospital, Cardiology, Suwon, Korea Republic of
| | - J H Shin
- Ajou University Hospital, Cardiology, Suwon, Korea Republic of
| | - G S Hwang
- Ajou University Hospital, Cardiology, Suwon, Korea Republic of
| | - S Y Choi
- Ajou University Hospital, Cardiology, Suwon, Korea Republic of
| | - B J Choi
- Ajou University Hospital, Cardiology, Suwon, Korea Republic of
| | - H S Lim
- Ajou University Hospital, Cardiology, Suwon, Korea Republic of
| | - H M Yang
- Ajou University Hospital, Cardiology, Suwon, Korea Republic of
| | - J S Park
- Ajou University Hospital, Cardiology, Suwon, Korea Republic of
| | - K W Seo
- Ajou University Hospital, Cardiology, Suwon, Korea Republic of
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Lee JH, Yoon MH, Tahk SJ, Shin JH, Hwang GS, Choi SY, Choi BJ, Lim HS, Yang HM, Park JS, Seo KW. P794Comparision of efficacy and safety of 3-month dual antiplatelet therapy(DAPT) versus 6-month DAPT following Coroflex ISAR sirolimus-eluting stent(C-SES) implantation. Eur Heart J 2018. [DOI: 10.1093/eurheartj/ehy564.p794] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Affiliation(s)
- J H Lee
- Ajou University Hospital, Cardiology, Suwon, Korea Republic of
| | - M H Yoon
- Ajou University Hospital, Cardiology, Suwon, Korea Republic of
| | - S J Tahk
- Ajou University Hospital, Cardiology, Suwon, Korea Republic of
| | - J H Shin
- Ajou University Hospital, Cardiology, Suwon, Korea Republic of
| | - G S Hwang
- Ajou University Hospital, Cardiology, Suwon, Korea Republic of
| | - S Y Choi
- Ajou University Hospital, Cardiology, Suwon, Korea Republic of
| | - B J Choi
- Ajou University Hospital, Cardiology, Suwon, Korea Republic of
| | - H S Lim
- Ajou University Hospital, Cardiology, Suwon, Korea Republic of
| | - H M Yang
- Ajou University Hospital, Cardiology, Suwon, Korea Republic of
| | - J S Park
- Ajou University Hospital, Cardiology, Suwon, Korea Republic of
| | - K W Seo
- Ajou University Hospital, Cardiology, Suwon, Korea Republic of
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Park JY, Rha SW, Choi BG, Choi SY, Byun JK, Hong JY, Park SH, Choi CU. P1682Impact of gender difference on five-year clinical outcomes in coronary artery spasm patients using propensity matching analysis. Eur Heart J 2018. [DOI: 10.1093/eurheartj/ehy565.p1682] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Affiliation(s)
- J Y Park
- Eulji University, Seoul Eulji Hospital, Seoul, Korea Republic of
| | - S W Rha
- Korea University Guro Hospital, Cardiovascular Center, Seoul, Korea Republic of
| | - B G Choi
- Korea University Guro Hospital, Cardiovascular Center, Seoul, Korea Republic of
| | - S Y Choi
- Korea University Guro Hospital, Cardiovascular Center, Seoul, Korea Republic of
| | - J K Byun
- Korea University Guro Hospital, Cardiovascular Center, Seoul, Korea Republic of
| | - J Y Hong
- Hanil General Hospital, Department of cardiology, Seoul, Korea Republic of
| | - S H Park
- Soonchunhyang University Hospital, cardiology, Cheonan, Korea Republic of
| | - C U Choi
- Korea University Guro Hospital, Cardiovascular Center, Seoul, Korea Republic of
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Kim MH, Lee KM, Kim SJ, Choi SY, Kim JK, Kim SW, Park JS, Park KI. P3445Stroke and mortality rate for long-term antiplatelet therapy in percutaneous coronary intervention patients using korean national health insurance service (NHIS) database. Eur Heart J 2018. [DOI: 10.1093/eurheartj/ehy563.p3445] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Affiliation(s)
- M H Kim
- Dong-A University, Department of Cardiology, College of Medicine, Busan, Korea Republic of
| | - K M Lee
- Daegu Health College, Industry Academic Cooperation Foundation, Daegu, Korea Republic of
| | - S J Kim
- Dong-A University, Department of Cardiology, College of Medicine, Busan, Korea Republic of
| | - S Y Choi
- Daegu Health College, Department of Biomedical Laboratory Science, Daegu, Korea Republic of
| | - J K Kim
- Dong-A University, Department of Cardiology, College of Medicine, Busan, Korea Republic of
| | - S W Kim
- Dong-A University, Department of Cardiology, College of Medicine, Busan, Korea Republic of
| | - J S Park
- Dong-A University, Department of Cardiology, College of Medicine, Busan, Korea Republic of
| | - K I Park
- Dong-A University, Department of Cardiology, College of Medicine, Busan, Korea Republic of
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49
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Seo KW, Yoon MH, Tahk SJ, Shin JH, Hwang GS, Choi SY, Choi BJ, Lim HS, Yang HM, Park JS, Lee JH. P4626Clinical outcome of fractional flow reserve-guided deferred lesions in patients with acute coronary syndrome versus stable angina. Eur Heart J 2018. [DOI: 10.1093/eurheartj/ehy563.p4626] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Affiliation(s)
- K W Seo
- Ajou University School of Medicine, Suwon, Korea Republic of
| | - M H Yoon
- Ajou University School of Medicine, Suwon, Korea Republic of
| | - S J Tahk
- Ajou University School of Medicine, Suwon, Korea Republic of
| | - J H Shin
- Ajou University School of Medicine, Suwon, Korea Republic of
| | - G S Hwang
- Ajou University School of Medicine, Suwon, Korea Republic of
| | - S Y Choi
- Ajou University School of Medicine, Suwon, Korea Republic of
| | - B J Choi
- Ajou University School of Medicine, Suwon, Korea Republic of
| | - H S Lim
- Ajou University School of Medicine, Suwon, Korea Republic of
| | - H M Yang
- Ajou University School of Medicine, Suwon, Korea Republic of
| | - J S Park
- Ajou University School of Medicine, Suwon, Korea Republic of
| | - J H Lee
- Ajou University School of Medicine, Suwon, Korea Republic of
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50
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