1
|
Moon CE, Kim CH, Jung JH, Cho YJ, Choi KY, Han K, Seo KY, Lee HK, Ji YW. Integrated Analysis of Transcriptome and Proteome of the Human Cornea and Aqueous Humor Reveal Novel Biomarkers for Corneal Endothelial Cell Dysfunction. Int J Mol Sci 2023; 24:15354. [PMID: 37895034 PMCID: PMC10607268 DOI: 10.3390/ijms242015354] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2023] [Revised: 10/10/2023] [Accepted: 10/16/2023] [Indexed: 10/29/2023] Open
Abstract
Earlier studies have reported that elevated protein levels in the aqueous humor (AH) are associated with corneal endothelial cell dysfunction (CECD), but the details of the underlying mechanism as well as specific biomarkers for CECD remain elusive. In the present study, we aimed to identify protein markers in AH directly associated with changes to corneal endothelial cells (CECs), as AH can be easily obtained for analysis. We carried out an in-depth proteomic analysis of patient-derived AH as well as transcriptomic analysis of CECs from the same patients with bullous keratopathy (BK) resulting from CECD. We first determined differentially expressed genes (DEGs) and differentially expressed proteins (DEPs) from CECs and AH in CECD, respectively. By combining transcriptomic and proteomic analyses, 13 shared upregulated markers and 22 shared downregulated markers were observed between DEGs and DEPs. Among these 35 candidates from biomarker profiling, three upregulated markers were finally verified via data-independent acquisition (DIA) proteomic analysis using additional individual AH samples, namely metallopeptidase inhibitor 1 (TIMP1), Fc fragment of IgG binding protein (FCGBP), and angiopoietin-related protein 7 (ANGPTL7). Furthermore, we confirmed these AH biomarkers for CECD using individual immunoassay validation. Conclusively, our findings may provide valuable insights into the disease process and identify biofluid markers for the assessment of CEC function during BK development.
Collapse
Affiliation(s)
- Chae-Eun Moon
- Institute of Vision Research, Department of Ophthalmology, Yonsei University College of Medicine, Seoul 03722, Republic of Korea; (C.-E.M.)
| | - Chang Hwan Kim
- Institute of Vision Research, Department of Ophthalmology, Yonsei University College of Medicine, Seoul 03722, Republic of Korea; (C.-E.M.)
- Department of Ophthalmology, Yongin Severance Hospital, Yongin 16995, Republic of Korea
| | - Jae Hun Jung
- Department of Applied Chemistry, College of Applied Science, Kyung Hee University, Yongin 17104, Republic of Korea
| | - Young Joo Cho
- The Yonsei Eye Clinic, Seoul 06289, Republic of Korea
- Department of Ophthalmology, HanGil Eye Hospital, Incheon 21388, Republic of Korea
| | - Kee Yong Choi
- Department of Ophthalmology, HanGil Eye Hospital, Incheon 21388, Republic of Korea
| | - Kyusun Han
- Institute of Vision Research, Department of Ophthalmology, Yonsei University College of Medicine, Seoul 03722, Republic of Korea; (C.-E.M.)
| | - Kyoung Yul Seo
- Institute of Vision Research, Department of Ophthalmology, Yonsei University College of Medicine, Seoul 03722, Republic of Korea; (C.-E.M.)
| | - Hyung Keun Lee
- Institute of Vision Research, Department of Ophthalmology, Yonsei University College of Medicine, Seoul 03722, Republic of Korea; (C.-E.M.)
- Department of Ophthalmology, Gangnam Severance Hospital, Seoul 06273, Republic of Korea
- College of Pharmacy, Yonsei University, Incheon 21983, Republic of Korea
| | - Yong Woo Ji
- Institute of Vision Research, Department of Ophthalmology, Yonsei University College of Medicine, Seoul 03722, Republic of Korea; (C.-E.M.)
- Department of Ophthalmology, Yongin Severance Hospital, Yongin 16995, Republic of Korea
| |
Collapse
|
2
|
Menzies-Gow A, Wechsler ME, Brightling CE, Korn S, Corren J, Israel E, Chupp G, Bednarczyk A, Ponnarambil S, Caveney S, Almqvist G, Gołąbek M, Simonsson L, Lawson K, Bowen K, Colice G, Fiterman J, Souza Machado A, Antila MA, Lima MA, Minamoto SET, Blanco DC, Bezerra PGDM, Houle PA, Lemiere C, Melenka LS, Leigh R, Mitchell P, Anees S, Pek B, Chouinard G, Cheema AS, Yang WHC, Philteos G, Chanez P, Bourdin A, Devouassoux G, Taille C, De Blay F, Leroyer C, Beurnier A, Garcia G, Girodet PO, Blanc FX, Magnan A, Wanin S, Just J, Linde R, Zielen S, Förster K, Geßner C, Jandl M, Buhl RO, Korn S, Kornmann MO, Linnhoff A, Ludwig-Sengpiel A, Ehlers M, Schmoller T, Steffen H, Hoffmann M, Kirschner J, Schmidt O, Welte T, Temme H, Wand O, Bar-Shai A, Izbicki G, Berkman N, Fink G, Shitrit D, Adir Y, Kuna P, Rewerska B, Pisarczyk-Bogacka E, Kurbacheva O, Mikhailov SL, Vasilev M, Emelyanov A, Wali S, Albanna A, van Zyl-Smit R, Abdullah I, Abdullah I, Bernhardi D, Hoosen F, Irusen E, Kalla I, Lakha D, Mitha E, Naidoo V, Nell H, Padayachee T, Reddy J, Petrick F, van der Walt E, Vawda ZFA, Park HS, Lee SH, Kim MK, Park JW, Cho YS, Lee BJ, Chang YS, Park CS, Lee KH, Lee SY, Yoon H, Sohn KH, Park MJ, Min KH, Cho YJ, Park HK, Lee Y, Lee J, Sheu CC, Tu CY, Lee KY, Bavbek S, Gemicioglu B, Ediger D, Kalkan IK, Makieieva N, Ostrovskyy M, Dytyatkovs'ka Y, Mostovoy YM, Lebed K, Yakovenko O, Adams A, Mooring T, Torres Jr L, Sexton M, Thompson E, Bernstein JA, Lisi P, Chappel CM, Cole J, Greenwald GI, Jones C, Klein RM, Pham DN, Spangenthal S, Weinstein SF, Windom HH, Kao NL, Leong MA, Mehta V, Moore WC, Bhat S, Aish B, Meltzer SM, Corren J, Moss MH, Kerwin EM, Delgado JP, Lucksinger GH, Thompson CA, Chupp G, Alpizar SA, Vadgama SV, Zafar Z, Jacobs JS, Lugogo NJ, Jain N, Sher LD, Andrawis NS, Fuentes D, Boren EJ, Gonzalez EG, Talreja N, Durrani SS, Israel E, Sekhsaria S, DeLeon S, Shukla M, Totszollosy Tarpay MM, Fakih F, Hudes G, Tillinghast JP, Korenblat PE, Shenoy K, Que L, Kureishy SA, Umeh FC, Nguyen VN, Chu HT, Nguyen TTD. Long-term safety and efficacy of tezepelumab in people with severe, uncontrolled asthma (DESTINATION): a randomised, placebo-controlled extension study. Lancet Respir Med 2023; 11:425-438. [PMID: 36702146 DOI: 10.1016/s2213-2600(22)00492-1] [Citation(s) in RCA: 22] [Impact Index Per Article: 22.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/23/2022] [Revised: 11/23/2022] [Accepted: 11/24/2022] [Indexed: 01/25/2023]
Abstract
BACKGROUND Tezepelumab is a human monoclonal antibody that blocks thymic stromal lymphopoietin. The drug has been tested previously in the phase 3 NAVIGATOR (NCT03347279) and SOURCE (NCT03406078) studies, and was subsequently approved as a treatment for severe asthma. This extension study recruited from NAVIGATOR and SOURCE and aimed to evaluate the long-term safety and efficacy of tezepelumab in individuals with severe, uncontrolled asthma. METHODS DESTINATION was a phase 3, multicentre, randomised, double-blind, placebo-controlled, long-term extension study. The study was done across 182 sites (including hospitals, clinics, medical centres, clinical trial centres, and private practices) in 18 countries. Participants (aged 12-80 years) were required to have good treatment compliance in the parent study. Randomisation was stratified by the parent study and all participants were re-randomised. Those who were previously randomised to receive tezepelumab in either parent study continued treatment of subcutaneous tezepelumab (210 mg every 4 weeks); those who were previously randomised to receive placebo in either parent study were re-randomised 1:1 to receive either subcutaneous tezepelumab (210 mg every 4 weeks) or placebo (every 4 weeks) using a randomisation list prepared by a computerised system. Total treatment duration (including the parent studies) was 104 weeks for all groups. Participants, investigators, and site staff were masked to treatment assignment. The primary endpoints were exposure-adjusted incidence of adverse events and serious adverse events and the secondary endpoint was the annualised asthma exacerbation rate; these were assessed from week 0 of the parent studies to week 104 of DESTINATION in all participants who were randomised and who received at least one dose of tezepelumab or placebo in either of the parent studies. The trial is registered with ClinicalTrials.gov, NCT03706079, and is closed to new participants. FINDINGS Participants were recruited between Jan 7, 2019, and Oct 15, 2020. For individuals who initially received tezepelumab (n=528) in NAVIGATOR, incidence of adverse events over 104 weeks was 49·62 (95% CI 45·16 to 54·39) per 100 patient-years, compared with 62·66 (56·93 to 68·81) for those receiving placebo (n=531; difference -13·04, 95% CI -17·83 to -8·18). For serious adverse events, incidence was 7·85 (6·14 to 9·89) per 100 patient-years for individuals who initially received tezepelumab and 12·45 (9·97 to 15·35) for those who received placebo (difference -4·59, -7·69 to -1·65). In SOURCE, incidence of adverse events was 47·15 (36·06 to 60·56) per 100 patient-years for those who initially received tezepelumab (n=74) and 69·97 (54·54 to 88·40) for those who received placebo (n=76; difference -22·82, -34·77 to -10·01). For serious adverse events, incidence was 13·14 (7·65 to 21·04) per 100 patient-years for those who initially received tezepelumab and 17·99 (10·66 to 28·44) for those who received placebo (difference -4·85, -14·88 to 4·53). Tezepelumab reduced the annualised asthma exacerbation rate over 104 weeks compared with placebo. In participants initially from NAVIGATOR, the annualised asthma exacerbation rate ratio over 104 weeks was 0·42 (95% CI 0·35 to 0·51); in those initially from SOURCE, the ratio over 104 weeks was 0·61 (0·38 to 0·96). INTERPRETATION Tezepelumab treatment was well tolerated for up to 2 years and resulted in sustained, clinically meaningful reductions in asthma exacerbations in individuals with severe, uncontrolled asthma. These findings are consistent with previous randomised, placebo-controlled studies and show the long-term safety and sustained efficacy of tezepelumab in individuals with severe, uncontrolled asthma. FUNDING AstraZeneca and Amgen.
Collapse
Affiliation(s)
- Andrew Menzies-Gow
- Department of Respiratory Medicine, Royal Brompton and Harefield Hospitals, School of Immunology and Microbial Sciences, King's College London, London, UK.
| | | | - Christopher E Brightling
- Institute for Lung Health, National Institute for Health and Care Research, Leicester Biomedical Research Centre, University of Leicester, Leicester, UK
| | - Stephanie Korn
- Pulmonary Department, Institute für klinische Forschung, Pneumologie Mainz, Mainz, Germany; Pulmonary Department, Thoraxklinik Heidelberg, Heidelberg, Germany
| | - Jonathan Corren
- Department of Medicine and Department of Pediatrics, David Geffen School of Medicine, University of California, Los Angeles, CA, USA
| | - Elliot Israel
- Division of Pulmonary and Critical Care Medicine and Allergy and Immunology, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - Geoffrey Chupp
- Division of Pulmonary, Critical Care, and Sleep Medicine, Department of Medicine, Yale School of Medicine, New Haven, CT, USA
| | - Artur Bednarczyk
- Late-Stage Development, Respiratory and Immunology, BioPharmaceuticals Research and Development, AstraZeneca Warsaw, Poland
| | - Sandhia Ponnarambil
- Late-Stage Development, Respiratory and Immunology, BioPharmaceuticals Research and Development, AstraZeneca, Cambridge, UK
| | - Scott Caveney
- Global Development, Inflammation, Research and Development, Amgen, Thousand Oaks, CA, USA
| | - Gun Almqvist
- Late-Stage Development, Respiratory and Immunology, BioPharmaceuticals Research and Development, AstraZeneca, Gothenburg, Sweden
| | - Monika Gołąbek
- Late-Stage Development, Respiratory and Immunology, BioPharmaceuticals Research and Development, AstraZeneca Warsaw, Poland
| | - Linda Simonsson
- Late-Stage Development, Respiratory and Immunology, BioPharmaceuticals Research and Development, AstraZeneca, Gothenburg, Sweden
| | - Kaitlyn Lawson
- Late-Stage Development, Respiratory and Immunology, BioPharmaceuticals Research and Development, AstraZeneca, Gaithersburg, MD, USA; Cytel, Cambridge, MA, USA
| | - Karin Bowen
- Biometrics, Late-stage Development, Respiratory and Immunology, BioPharmaceuticals Research and Development, AstraZeneca, Gaithersburg, MD, USA
| | - Gene Colice
- Late-Stage Development, Respiratory and Immunology, BioPharmaceuticals Research and Development, AstraZeneca, Gaithersburg, MD, USA
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Collapse
|
3
|
Jeon KH, Kwon JM, Lee MS, Cho YJ, Oh IY, Lee JH. Deep learning-based electrocardiogram analysis detecting paroxysmal atrial fibrillation during sinus rhythm in patients with cryptogenic stroke: validation study using implantable cardiac monitoring. Eur Heart J 2022. [DOI: 10.1093/eurheartj/ehac544.2777] [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: 11/15/2022] Open
Abstract
Abstract
Background
Atrial fibrillation (AF) is the most cause of cardioembolic source causing cryptogenic stroke. In these, anticoagulation therapy could reduce recurrence of stroke. However, paroxysmal AF would not be detected even by 24 hours Holter monitoring. Deep learning-based electrocardiogram (ECG) analysis models were recently developed to detect AF during sinus rhythm.
Purpose
We aimed to develop a deep learning algorithm (DLA) to detect AF during sinus rhythm and validate the model in patients with cryptogenic stroke who underwent implantable cardiac monitoring (ICM) to diagnose paroxysmal AF.
Methods
This cohort study involved three hospitals (A, B, and C). We developed a DLA to detect AF using sinus rhythm 10 s 12-lead ECG. We included adult patients aged ≥18 years from hospital A and B. We used development data from AF adult patients who had at least one atrial fibrillation rhythm in the study period (Jan 2016 to Dec 2021) and non-AF patients who had no reference to AF in the ECG and electronic medical record. DLA was based on convolutional neural network (CNN) using 10 s 12-lead. For external validation, the ECGs from 217 patients (hospital C) with cryptogenic stroke who underwent ICM were analyzed by using the DLA for validating the accuracy in the real-world clinical situations.
Results
We included 10,605 AF adult patients and 50,522 non-AF patients as development data. During the internal validation, the area under the curve (AUC) of the final DLA based on CNN was 0.793 (95% Confidence interval 0.778–0.807). In external validation data from cryptogenic stroke patients, the mean ICM duration was 15.1 months, and AF >5 mins was detected in 32 patients (14.5%). The diagnostic accuracy of DLA was 0.793 to detect AF during sinus rhythm, and AUC was 0.824. The sensitivity, specificity, positive predictive value, and negative predictive value of the model were 0.844, 0.784, 0.403, and 0.967, respectively, which outperformed other conventional predictive methods based on clinical factors, such as CHARGE-AF, C2hest, and HATCH.
Conclusions
In this study, DLA accurately detected paroxysmal AF using 12-leads normal sinus rhythm ECG in patients with cryptogenic stroke and outperformed the conventional models. The DLA could be used as a screening tool to identify the cause of stroke in the future.
Funding Acknowledgement
Type of funding sources: None.
Collapse
Affiliation(s)
- K H Jeon
- Seoul National University Bundang Hospital , Seongnam , Korea (Republic of)
| | - J M Kwon
- Incheon Sejong Hospital, Department of Critical Care and Emergency Medicine , Incheon , Korea (Republic of)
| | - M S Lee
- Medical research team, Medical AI Inc , San Francisco , United States of America
| | - Y J Cho
- Seoul National University Bundang Hospital , Seongnam , Korea (Republic of)
| | - I Y Oh
- Seoul National University Bundang Hospital , Seongnam , Korea (Republic of)
| | - J H Lee
- Seoul National University Bundang Hospital , Seongnam , Korea (Republic of)
| |
Collapse
|
4
|
Jun SY, Cho YJ, Cho BJ. Clinical Outcomes of a Refractive, Aspheric, Bifocal Intraocular Lens Imparting 1.5 Diopters Adding Power. J Korean Ophthalmol Soc 2021. [DOI: 10.3341/jkos.2021.62.2.193] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
|
5
|
Kwon HH, Yang SH, Cho YJ, Shin E, Choi M, Bae Y, Jung JY, Park GH. Comparison of a 1064-nm neodymium-doped yttrium aluminum garnet picosecond laser using a diffractive optical element vs. a nonablative 1550-nm erbium-glass laser for the treatment of facial acne scarring in Asian patients: a 17-week prospective, randomized, split-face, controlled trial. J Eur Acad Dermatol Venereol 2020; 34:2907-2913. [PMID: 32603006 DOI: 10.1111/jdv.16643] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2020] [Accepted: 05/05/2020] [Indexed: 02/06/2023]
Abstract
BACKGROUND Novel picosecond lasers using a diffractive optical element (P-DOE) have been available for skin resurfacing with distinct mechanisms. However, there are limited data directly comparing P-DOE and conventional fractional lasers for the treatment of atrophic acne scarring. OBJECTIVES We sought to compare the efficacy and safety of a 1064-nm neodymium-doped yttrium aluminium garnet P-DOE and a non-ablative fractional laser (NAFL) in the treatment of acne scarring. METHODS A prospective, randomized, split-face, controlled trial was performed. One randomly assigned half-side of each patient's face (n = 25) was treated with four consecutive sessions of P-DOE at 3-week intervals and the other side with NAFL, with subsequent follow-up for 8 weeks after the final sessions. The efficacy and safety of the two lasers were determined by the Echelle d'Evaluation Clinique des Cicatrices d'acné (Scale of Clinical Evaluation of Acne Scars; ECCA) grading scale, Investigator's Global Assessment (IGA) score and patients' reports at the final visit. Histologic analysis was also performed. RESULTS The P-DOE-treated side achieved a significantly better improvement in acne appearance (ECCA per cent reduction: 55% vs. 42%) with less severe pain (4.3 vs. 5.6) (P < 0.05). The IGA score and subjective satisfaction were consistent with ECCA score results. Occurrences of treatment-related side-effects were also lower in the group treated with P-DOE (P < 0.05). Histologic analysis revealed elongation and increased density of neocollagen fibres, elastic fibres and mucin throughout the dermis from both sides. CONCLUSIONS Compared with NAFL, P-DOE afforded better clinical outcomes and fewer side-effects in the treatment of acne scarring in Asian patients.
Collapse
Affiliation(s)
- H H Kwon
- Oaro Dermatology Clinic, Seoul, Korea
| | - S H Yang
- Department of Dermatology, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Y J Cho
- Oaro Dermatology Clinic, Seoul, Korea
| | - E Shin
- Department of Pathology, Dongtan Sacred Heart Hospital, Hallym University College of Medicine, Hwaseong, Korea
| | - M Choi
- Department of Dermatology, Ilsan Paik Hospital, Inje University College of Medicine, Goyang, Korea
| | - Y Bae
- Department of Dermatology, Dongtan Sacred Heart Hospital, Hallym University College of Medicine, Hwaseong, Korea
| | - J Y Jung
- Oaro Dermatology Clinic, Seoul, Korea
| | - G-H Park
- Department of Dermatology, Dongtan Sacred Heart Hospital, Hallym University College of Medicine, Hwaseong, Korea
| |
Collapse
|
6
|
Jun S, Choi KY, Cho YJ. Importance of Head Position after Gas Tamponade in Bilateral Descemet's Membrane Detachment Following Cataract Surgery. Korean J Ophthalmol 2020; 34:173-175. [PMID: 32233154 PMCID: PMC7105790 DOI: 10.3341/kjo.2019.0119] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2019] [Revised: 10/22/2019] [Accepted: 10/30/2019] [Indexed: 12/02/2022] Open
Affiliation(s)
- SungYeon Jun
- Department of Ophthalmology, HanGil Eye Hospital, Incheon, Korea
| | - Kee Yong Choi
- Department of Ophthalmology, HanGil Eye Hospital, Incheon, Korea
| | - Young Joo Cho
- Department of Ophthalmology, HanGil Eye Hospital, Catholic Kwandong University College of Medicine, Incheon, Korea.
| |
Collapse
|
7
|
Cho YJ. Does the Difference in Microbial Patterns in the Airways Induce Distinct Endotypes of Asthma? Allergy Asthma Immunol Res 2020; 12:375-377. [PMID: 32141252 PMCID: PMC7061159 DOI: 10.4168/aair.2020.12.3.375] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Download PDF] [Subscribe] [Scholar Register] [Received: 02/27/2020] [Accepted: 02/28/2020] [Indexed: 11/20/2022]
Affiliation(s)
- Young Joo Cho
- Department of Allergy and Clinical Immunology, Ewha Womans University Mokdong Hospital, Ewha Womans University College of Medicine, Seoul, Korea.
| |
Collapse
|
8
|
Lee SH, Bae JW, Han M, Cho YJ, Park JW, Oh SR, Kim SJ, Choe SY, Yun JH, Lee Y. 2794 Nerve Sparing Radical Hysterectomy Versus Conventional Radical Hysterectomy in Early-Stage Cervical Cancer: A Systematic Review And Meta-Analysis. J Minim Invasive Gynecol 2019. [DOI: 10.1016/j.jmig.2019.09.477] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
|
9
|
Lee S, Park JB, Cho YJ, Ryu HG, Jang EJ. P3429A novel prediction model for mortality after cardiac surgery using institutional case volume. Eur Heart J 2019. [DOI: 10.1093/eurheartj/ehz745.0303] [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
Purpose
A number of risk prediction models have been developed to identify short term mortality after cardiovascular surgery. Most models include patient characteristics, laboratory data, and type of surgery, but no consideration for the amount of surgical experience. With numerous reports on the impact of case volume on patient outcome after high risk procedures, we attempted to develop a risk prediction models for in-hospital and 1-year mortality that takes institutional case volume into account.
Methods
We identified adult patients who underwent cardiac surgery from January 2008 to December 2017 from the National Health Insurance Service (NHIS) database by searching for patients with procedure codes of coronary artery bypass grafting, valve surgery, and surgery on thoracic aorta during the hospitalization. Study subjects were randomly assigned to either the derivation cohort or the validation cohort. In-hospital mortality and 1-year mortality data were collected using the NHIS database. Risk prediction models were developed from the derivation cohort using Cox proportional hazards regression. The prediction performances of models were evaluated in the validation cohort.
Results
The models developed in this study demonstrated fair discrimination for derivation cohort (N=22,004, c-statistics, 0.75 for in-hospital mortality; 0.73 for 1-year mortality) and acceptable calibration in the validation cohort. (N=22,003, Hosmer-Lemeshow χ2-test, P=0.08 and 0.16, respectively). Case volume was the key factor of mortality prediction models after cardiac surgery. (50≤ x <100 case per year. 100≤ x <200 case per year, ≥200 case per year are correlated with OR 3.29, 2.49, 1.85 in in-hospital mortality, 2.76, 1.99, 1.69 in 1-year mortality respectively, P value <0.001.)
Annual case volume as risk factor Variables In-hospital mortality 1-year mortality OR (95% CI) p-value OR (95% CI) p-value Annual case-volume (reference: ≥200) – – 100–200 1.69 (1.48, 1.93) <0.001 1.85 (1.58, 2.18) <0.001 50–100 1.99 (1.75, 2.25) <0.001 2.49 (2.15, 2.89) <0.001 <50 2.76 (2.44, 3.11) <0.001 3.29 (2.85, 3.79) <0.001 OR: Odds ratio; CI: confidence interval; Ref: Reference.
Discrimination and calibration
Conclusion
We developed and validated new risk prediction models for in-hospital and 1-year mortality after cardiac surgery using the NHIS database. These models may provide useful guides to predict mortality risks of patients with basic information and without laboratory findings.
Collapse
Affiliation(s)
- S Lee
- Seoul National University Hospital, Seoul, Korea (Republic of)
| | - J B Park
- Seoul National University Hospital, Seoul, Korea (Republic of)
| | - Y J Cho
- Seoul National University Hospital, Seoul, Korea (Republic of)
| | - H G Ryu
- Seoul National University Hospital, Seoul, Korea (Republic of)
| | - E J Jang
- Andong National University, Department of Information Statistics, Andong, Korea (Republic of)
| |
Collapse
|
10
|
Kim MH, Kim SH, Park SY, Ban GY, Kim JH, Jung JW, Moon JY, Song WJ, Kwon HS, Kwon JW, Lee JH, Kang HR, Park JS, Kim TB, Park HW, Yoo KH, Oh YM, Koh YI, Jang AS, Lee BJ, Cho YJ, Cho SH, Park HS, Park CS, Yoon HJ, Cho YS. Characteristics of Adult Severe Refractory Asthma in Korea Analyzed From the Severe Asthma Registry. Allergy Asthma Immunol Res 2019; 11:43-54. [PMID: 30479076 PMCID: PMC6267188 DOI: 10.4168/aair.2019.11.1.43] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/08/2018] [Revised: 08/24/2018] [Accepted: 08/28/2018] [Indexed: 12/18/2022]
Abstract
Purpose Although mild to moderate asthma is much more common, the morbidity and mortality of severe asthma are much higher. This study was performed to identify and analyze the clinical characteristics of severe asthma in Korea. Methods We registered patients with severe refractory asthma into the Severe Asthma Registry supported by the Severe Asthma Work Group of the Korean Academy of Asthma, Allergy and Clinical Immunology. Patients were enrolled since 2010 from the 15 university hospitals nationwide in Korea. Severe asthma was defined according to modified European Respiratory Society/American Thoracic Society criteria. Information on demographics, medical history, pulmonary function tests and skin prick tests was collected; the clinical characteristics of severe asthmatics were analyzed from the collected data. Results A total of 489 patients were enrolled with a mean age of 62.3; 45% are male. Sixty percent of patients received Global Initiative for Asthma step 4 treatment, and 30% received step 5 treatment. The most common comorbidities were allergic rhinitis (58.7%). Aspirin hypersensitivity was observed in 14.0%. Approximately half (53.9%) are non-smokers. Atopy was proven in 38.5% of the patients. Regarding asthma medications, inhaled corticosteroids and long-acting β-agonist combination inhalers were most commonly prescribed (96.5%), followed by leukotriene antagonists (71.0%). A recombinant anti-immunoglobulin E monoclonal antibody (omalizumab) has been used in 1.8% of the patients. The mean forced vital capacity (FVC), forced expiratory volume in 1 second (FEV1) and FEV1/FVC were 78.7%, 67.5% and 67.9% of predicted values, respectively. The mean Asthma Control Test and quality of life questionnaire scores were 16.5 out of 25 and 59.5 out of 85, respectively. Conclusions The baseline characteristics of severe asthma patients in the Korea Severe Asthma Registry were analyzed and reported for the first time. With this cohort, further prospective studies should be performed to search for ways to improve management of severe refractory asthma.
Collapse
Affiliation(s)
- Min Hye Kim
- Department of Internal Medicine, College of Medicine, Ewha Womans University, Seoul, Korea
| | - Sang Heon Kim
- Department of Internal Medicine, Hanyang University College of Medicine, Seoul, Korea
| | - So Young Park
- Department of Allergy and Respiratory Medicine, Konkuk University Medical Center, Seoul, Korea
| | - Ga Young Ban
- Department of Pulmonary, Allergy and Critical Care Medicine, Kangdong Sacred Heart Hospital, Hallym University College of Medicine, Seoul, Korea
| | - Joo Hee Kim
- Department of Internal Medicine, Hallym University College of Medicine, Anyang, Korea
| | - Jae Woo Jung
- Department of Internal Medicine, Chung-Ang University College of Medicine, Seoul, Korea
| | - Ji Yong Moon
- Department of Internal Medicine, Hanyang University College of Medicine, Seoul, Korea
| | - Woo Jung Song
- Division of Allergy and Clinical Immunology, Department of Internal Medicine, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Hyouk Soo Kwon
- Division of Allergy and Clinical Immunology, Department of Internal Medicine, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Jae Woo Kwon
- Department of Internal Medicine, Kangwon National University School of Medicine, Chuncheon, Korea
| | - Jae Hyun Lee
- Department of Internal Medicine, Yonsei University College of Medicine, Seoul, Korea
| | - Hye Ryun Kang
- Department of Internal Medicine, Seoul National University College of Medicine, Seoul, Korea
| | - Jong Sook Park
- Department of Internal Medicine, Soonchunhyang University College of Medicine, Bucheon, Korea
| | - Tae Bum Kim
- Division of Allergy and Clinical Immunology, Department of Internal Medicine, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Heung Woo Park
- Department of Internal Medicine, Seoul National University College of Medicine, Seoul, Korea
| | - Kwang Ha Yoo
- Department of Allergy and Respiratory Medicine, Konkuk University Medical Center, Seoul, Korea
| | - Yeon Mok Oh
- Division of Allergy and Clinical Immunology, Department of Internal Medicine, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Young Il Koh
- Department of Internal Medicine, Chonnam National University Medical School & Hospital, Gwangju, Korea
| | - An Soo Jang
- Department of Internal Medicine, Soonchunhyang University College of Medicine, Bucheon, Korea
| | - Byung Jae Lee
- Department of Internal Medicine, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Young Joo Cho
- Department of Internal Medicine, College of Medicine, Ewha Womans University, Seoul, Korea
| | - Sang Heon Cho
- Department of Internal Medicine, Seoul National University College of Medicine, Seoul, Korea
| | - Hae Sim Park
- Department of Allergy and Clinical Immunology, Ajou University School of Medicine, Suwon, Korea
| | - Choon Sik Park
- Department of Internal Medicine, Soonchunhyang University College of Medicine, Bucheon, Korea
| | - Ho Joo Yoon
- Department of Internal Medicine, Hanyang University College of Medicine, Seoul, Korea.
| | - You Sook Cho
- Division of Allergy and Clinical Immunology, Department of Internal Medicine, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea.
| |
Collapse
|
11
|
Jun SY, Choi YJ, Cho YJ. Corneal Stromal Edema during Lidocaine Injection for Blepharoplasty. J Korean Ophthalmol Soc 2019. [DOI: 10.3341/jkos.2019.60.10.994] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
|
12
|
Affiliation(s)
| | | | - Tae Hyung Lim
- HanGil Eye Hospital, Incheon, Korea
- Department of Ophthalmology, Catholic Kwandong University College of Medicine, Gangneung, Korea
| | - Beom Jin Cho
- HanGil Eye Hospital, Incheon, Korea
- Department of Ophthalmology, Catholic Kwandong University College of Medicine, Gangneung, Korea
| |
Collapse
|
13
|
Kim MH, Rhee CK, Shim JS, Park SY, Yoo KH, Kim BY, Bae HW, Sim YS, Chang JH, Cho YJ, Lee JH. Inhaled Corticosteroids in Asthma and the Risk of Pneumonia. Allergy Asthma Immunol Res 2019; 11:795-805. [PMID: 31552715 PMCID: PMC6761075 DOI: 10.4168/aair.2019.11.6.795] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/08/2019] [Revised: 06/03/2019] [Accepted: 06/03/2019] [Indexed: 12/29/2022]
Abstract
Purpose Asthma is a common disease that is expensive and burdensome for patients. Inhaled corticosteroids (ICS) are the most important drugs for asthma treatment and are often prescribed long-term. However, the use of ICS has been reported to increase pneumonia, though this remains controversial. We evaluated whether the use of ICS increases the risk of pneumonia in asthmatic patients using the Health Insurance Review and Assessment Service (HIRA) database in Korea. Methods The Asthma Management Adequacy Assessment was performed by the HIRA in Korea. Patients with claimed insurance benefits for asthma disease codes and who were prescribed asthma medications more than 2 times were enrolled. Patient demographics, asthma medications, healthcare use, and complications were analyzed. Results The total number of asthma patients was 831,613. Patients using ICS were older and had more comorbidities than those not using ICS; they also visited outpatient clinics and emergency departments, and were more often hospitalized. Pneumonia and other complications occurred more often in patients using ICS, and they used more respiratory medications, except for theophylline. Multiple logistic regression analysis showed that ICS prescription was associated with pneumonia (odds ratio, 1.38; 95% confidence interval, 1.36-1.41). Age, sex, medical care, use of secondary and tertiary hospitals, and hospitalization due to asthma in the previous year were also associated with pneumonia. Conclusions ICS use was associated with increasing pneumonia in asthmatic patients in Korea. Therefore, it is critical to acknowledge that the use of ICS may increase the risk of pneumonia and should be meticulously monitored in asthmatics.
Collapse
Affiliation(s)
- Min Hye Kim
- Department of Internal Medicine, College of Medicine, Ewha Womans University, Seoul, Korea
| | - Chin Kook Rhee
- Division of Pulmonary, Allergy and Critical Care Medicine, Department of Internal Medicine, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea
| | - Ji Su Shim
- Department of Internal Medicine, College of Medicine, Ewha Womans University, Seoul, Korea
| | - So Young Park
- Department of Internal Medicine, College of Medicine, Ewha Womans University, Seoul, Korea
| | - Kwang Ha Yoo
- Division of Pulmonary, Allergy and Critical Care Medicine, Department of Internal Medicine, Konkuk University School of Medicine, Seoul, Korea
| | - Bo Yeon Kim
- Health Insurance Review and Assessment Service, Wonju, Korea
| | - Hye Won Bae
- Health Insurance Review and Assessment Service, Wonju, Korea
| | - Yun Su Sim
- Division of Pulmonary, Allergy and Critical Care Medicine, Department of Internal Medicine, Hallym University Kangnam Sacred Heart Hospital, Seoul, Korea
| | - Jung Hyun Chang
- Department of Internal Medicine, College of Medicine, Ewha Womans University, Seoul, Korea
| | - Young Joo Cho
- Department of Internal Medicine, College of Medicine, Ewha Womans University, Seoul, Korea
| | - Jin Hwa Lee
- Department of Internal Medicine, College of Medicine, Ewha Womans University, Seoul, Korea.
| |
Collapse
|
14
|
Iv M, Zhou M, Shpanskaya K, Perreault S, Wang Z, Tranvinh E, Lanzman B, Vajapeyam S, Vitanza NA, Fisher PG, Cho YJ, Laughlin S, Ramaswamy V, Taylor MD, Cheshier SH, Grant GA, Young Poussaint T, Gevaert O, Yeom KW. MR Imaging-Based Radiomic Signatures of Distinct Molecular Subgroups of Medulloblastoma. AJNR Am J Neuroradiol 2018; 40:154-161. [PMID: 30523141 DOI: 10.3174/ajnr.a5899] [Citation(s) in RCA: 66] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2018] [Accepted: 10/06/2018] [Indexed: 12/12/2022]
Abstract
BACKGROUND AND PURPOSE Distinct molecular subgroups of pediatric medulloblastoma confer important differences in prognosis and therapy. Currently, tissue sampling is the only method to obtain information for classification. Our goal was to develop and validate radiomic and machine learning approaches for predicting molecular subgroups of pediatric medulloblastoma. MATERIALS AND METHODS In this multi-institutional retrospective study, we evaluated MR imaging datasets of 109 pediatric patients with medulloblastoma from 3 children's hospitals from January 2001 to January 2014. A computational framework was developed to extract MR imaging-based radiomic features from tumor segmentations, and we tested 2 predictive models: a double 10-fold cross-validation using a combined dataset consisting of all 3 patient cohorts and a 3-dataset cross-validation, in which training was performed on 2 cohorts and testing was performed on the third independent cohort. We used the Wilcoxon rank sum test for feature selection with assessment of area under the receiver operating characteristic curve to evaluate model performance. RESULTS Of 590 MR imaging-derived radiomic features, including intensity-based histograms, tumor edge-sharpness, Gabor features, and local area integral invariant features, extracted from imaging-derived tumor segmentations, tumor edge-sharpness was most useful for predicting sonic hedgehog and group 4 tumors. Receiver operating characteristic analysis revealed superior performance of the double 10-fold cross-validation model for predicting sonic hedgehog, group 3, and group 4 tumors when using combined T1- and T2-weighted images (area under the curve = 0.79, 0.70, and 0.83, respectively). With the independent 3-dataset cross-validation strategy, select radiomic features were predictive of sonic hedgehog (area under the curve = 0.70-0.73) and group 4 (area under the curve = 0.76-0.80) medulloblastoma. CONCLUSIONS This study provides proof-of-concept results for the application of radiomic and machine learning approaches to a multi-institutional dataset for the prediction of medulloblastoma subgroups.
Collapse
Affiliation(s)
- M Iv
- From the Department of Radiology (M.I., M.Z., K.S., E.T., B.L., K.W.Y.)
| | - M Zhou
- From the Department of Radiology (M.I., M.Z., K.S., E.T., B.L., K.W.Y.).,Stanford Center for Biomedical Informatics (M.Z., O.G., Z.W.)
| | - K Shpanskaya
- From the Department of Radiology (M.I., M.Z., K.S., E.T., B.L., K.W.Y.)
| | - S Perreault
- Department of Pediatrics (S.P.), Pediatric Neurology, Centre Hospitalier Universitaire Sainte Justine, University of Montréal, Montreal, Quebec, Canada
| | - Z Wang
- Stanford Center for Biomedical Informatics (M.Z., O.G., Z.W.)
| | - E Tranvinh
- From the Department of Radiology (M.I., M.Z., K.S., E.T., B.L., K.W.Y.)
| | - B Lanzman
- From the Department of Radiology (M.I., M.Z., K.S., E.T., B.L., K.W.Y.)
| | - S Vajapeyam
- Department of Radiology (S.V., T.Y.P.), Boston Children's Hospital, Harvard University, Boston, Massachusetts
| | - N A Vitanza
- Department Pediatrics Hematology-Oncology (N.A.V.), Seattle Children's Hospital, University of Washington, Seattle, Washington
| | - P G Fisher
- Department of Pediatrics (P.G.F.), Pediatric Neurology
| | - Y J Cho
- Department of Pediatrics (Y.J.C.), Pediatric Neurology, Oregon Health & Science University, Portland, Oregon
| | - S Laughlin
- Departments of Radiology, Neuro-Oncology, and Neurosurgery (S.L., V.R., M.D.T.), Hospital for Sick Children, Toronto, Ontario, Canada
| | - V Ramaswamy
- Departments of Radiology, Neuro-Oncology, and Neurosurgery (S.L., V.R., M.D.T.), Hospital for Sick Children, Toronto, Ontario, Canada
| | - M D Taylor
- Departments of Radiology, Neuro-Oncology, and Neurosurgery (S.L., V.R., M.D.T.), Hospital for Sick Children, Toronto, Ontario, Canada
| | - S H Cheshier
- Department of Neurosurgery (S.H.C.), Pediatric Neurosurgery, University of Utah, Salt Lake City, Utah
| | - G A Grant
- Department of Neurosurgery (G.A.G.), Pediatric Neurosurgery, Lucile Packard Children's Hospital, Stanford University, Palo Alto, California
| | - T Young Poussaint
- Department of Radiology (S.V., T.Y.P.), Boston Children's Hospital, Harvard University, Boston, Massachusetts
| | - O Gevaert
- Stanford Center for Biomedical Informatics (M.Z., O.G., Z.W.)
| | - K W Yeom
- From the Department of Radiology (M.I., M.Z., K.S., E.T., B.L., K.W.Y.) .,Department of Radiology (K.W.Y.), Artificial Intelligence in Medicine and Imaging, Stanford University, Stanford, California
| |
Collapse
|
15
|
Cho YJ, Lim TH, Choi KY, Cho BJ. Comparison of Ocular Biometry Using New Swept-source Optical Coherence Tomography-based Optical Biometer with Other Devices. Korean J Ophthalmol 2018; 32:257-264. [PMID: 30091303 PMCID: PMC6085186 DOI: 10.3341/kjo.2017.0091] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2017] [Accepted: 12/11/2017] [Indexed: 12/14/2022] Open
Abstract
Purpose To evaluate the agreement between optical biometry with swept-source optical coherence tomography-based optical biometry (IOLMaster 700) and other devices. Methods A total of 137 eyes (78 patients) with cataracts were included in this retrospective study. Axial length (AL), anterior chamber depth (ACD), keratometry, and white-to-white (WTW) distance measured using IOLMaster 700 were compared with results for the following five different biometers: IOLMaster 500, A-scan, automated refractor, manual keratometry, and Galilei G4. Differences and correlations among the devices were assessed using the Bland-Altman plot and intraclass correlation coefficient (ICC). Results For AL values, the IOLMaster 700, IOLMaster 500, and A-scan measurements showed excellent agreement (all ICC >0.99). For ACD values, ICC of IOLMaster 700 and Galilei G4 was 0.965 but A-scan was poorly correlated with either IOLMaster 700 or Galilei G4. The ICCs of IOLMaster 700 and other devices were all greater than 0.9 for average keratometry, but those of the mean cylinder keratometry were all between 0.7 and 0.8. The mean difference in the WTW distance between the IOLMaster 700 and Galilei G4 was 0.029 mm, but the ICC was 0.525. AL measurements were not possible for 10 eyes with the IOLMaster 500 but were obtained in all eyes with the IOLMaster 700. Conclusions In clinical practice, AL, ACD, and average keratometry values of IOLMaster 700 can be used interchangeably with those of the other devices tested. However, the ACD value between IOLMaster 700 and A-scan or the WTW distance between IOLMaster 700 and Galilei G4 are not interchangeable because of clinical and statistical differences in measurements between the devices.
Collapse
Affiliation(s)
- Young Joo Cho
- Department of Ophthalmology, HanGil Eye Hospital, Incheon, Korea
| | - Tae Hyung Lim
- Department of Ophthalmology, HanGil Eye Hospital, Incheon, Korea.,Department of Ophthalmology, Catholic Kwandong University College of Medicine, Gangeung, Korea
| | - Kee Yong Choi
- Department of Ophthalmology, HanGil Eye Hospital, Incheon, Korea
| | - Beom Jin Cho
- Department of Ophthalmology, HanGil Eye Hospital, Incheon, Korea.,Department of Ophthalmology, Catholic Kwandong University College of Medicine, Gangeung, Korea.
| |
Collapse
|
16
|
Abstract
Objective To evaluate the short-term efficacy of intravitreal bevacizumab (IVB) and posterior sub-tenon triamcinolone injections (PSTI) on the basis of spectral-domain optical coherence tomography (SD-OCT) patterns in diabetic macular edema (DME). Methods We retrospectively reviewed 73 eyes of 73 patients with DME. Based on the presence of serous retinal detachment (SRD), eyes were categorized into two groups, and either IVB or PSTI treatment was performed. Central macular thickness (CMT) and the degree of SRD were assessed preoperatively and 1 month postoperatively. The severity of intraretinal edema was approximated based on the distance from the external limiting membrane to the internal limiting membrane. Results In eyes with SRD, reduction of SRD was greater with IVB than with PSTI. Moreover, reduction of intraretinal edema was greater with PSTI than with IVB. In eyes without SRD, PSTI achieved greater CMT reduction, compared with IVB. Conclusions In DME patients with SRD, IVB achieved greater reduction of SRD, compared with PSTI; however, intraretinal edema responded more favorably to PSTI, regardless of the presence of SRD. Our results suggest that the classification of DME based on OCT findings may be useful to predict responses to IVB or PSTI treatments.
Collapse
Affiliation(s)
- Young Joo Cho
- 1 Department of Ophthalmology, HanGil Eye Hospital, Incheon, Korea
| | - Dong Hyun Lee
- 2 Institute of Vision Research, Department of Ophthalmology, Severance Eye and ENT Hospital, Yonsei, University College of Medicine, Seoul, Republic of Korea
| | - Min Kim
- 3 Department of Ophthalmology, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul, Republic of Korea
| |
Collapse
|
17
|
Nam HW, Cho YJ, Lim JA, Kim SJ, Kim H, Sim SY, Lim DG. Functional status of immune cells in patients with long-lasting type 2 diabetes mellitus. Clin Exp Immunol 2018; 194:125-136. [PMID: 30022471 DOI: 10.1111/cei.13187] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/11/2018] [Indexed: 12/13/2022] Open
Abstract
Although patients with diabetes contract infectious diseases at higher frequencies, and in more severe forms, compared to non-diabetics, the underlying defects of the immune function have not been defined clearly. To address this, we designed an immune monitoring protocol and analysed the functional status of various immune cells. Peripheral blood mononuclear cells (PBMCs) were stimulated with the proper ligands and the functional reactivity of each lineage of cells was subsequently measured. Patients with type 2 diabetes mellitus (T2DM) had PBMC composition ratios comparable to healthy controls, except for a higher frequency of B cell and effector T cell fractions. The capacity of myeloid cells to secrete proinflammatory cytokines was not diminished in terms of the sensitivity and magnitude of the response. Furthermore, cytolytic activity and interferon (IFN)-γ production of natural killer (NK) cells and CD8+ T cells were not decreased in T2DM patients. Phenotypical maturation of dendritic cells, indicated by the up-regulation of major histocompatibility complex (MHC) proteins and co-stimulatory molecules in response to lipopolysaccharide (LPS), was slightly enhanced in T2DM patients. Finally, the functional differentiation profiles of CD4+ T cells did not differ between T2DM patients and the control group. These data indicate that patients with long-lasting T2DM do not have any gross functional defects in immune cells, at least in circulating monocytes, dendritic cells, NK cells and T lymphocytes.
Collapse
Affiliation(s)
- H W Nam
- Division of Endocrinology, Department of Internal Medicine, Seoul, Korea
| | - Y J Cho
- Division of Endocrinology, Department of Internal Medicine, Seoul, Korea
| | - J A Lim
- Division of Endocrinology, Department of Internal Medicine, Seoul, Korea
| | - S J Kim
- Department of Family Medicine, National Medical Center, Seoul, Korea
| | - H Kim
- Center for Chronic Diseases, Seoul, Korea
| | - S Y Sim
- Research Institute, National Medical Center, Seoul, Korea
| | - D G Lim
- Center for Chronic Diseases, Seoul, Korea
| |
Collapse
|
18
|
Kim MH, Choi SJ, Choi HI, Choi JP, Park HK, Kim EK, Kim MJ, Moon BS, Min TK, Rho M, Cho YJ, Yang S, Kim YK, Kim YY, Pyun BY. Lactobacillus plantarum-derived Extracellular Vesicles Protect Atopic Dermatitis Induced by Staphylococcus aureus-derived Extracellular Vesicles. Allergy Asthma Immunol Res 2018; 10:516-532. [PMID: 30088371 PMCID: PMC6082821 DOI: 10.4168/aair.2018.10.5.516] [Citation(s) in RCA: 59] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/16/2018] [Revised: 03/29/2018] [Accepted: 04/03/2018] [Indexed: 12/16/2022]
Abstract
PURPOSE The microbial environment is an important factor that contributes to the pathogenesis of atopic dermatitis (AD). Recently, it was revealed that not only bacteria itself but also extracellular vesicles (EVs) secreted from bacteria affect the allergic inflammation process. However, almost all research carried out so far was related to local microorganisms, not the systemic microbial distribution. We aimed to compare the bacterial EV composition between AD patients and healthy subjects and to experimentally find out the beneficial effect of some bacterial EV composition. METHODS Twenty-seven AD patients and 6 healthy control subjects were enrolled. After urine and serum were obtained, EVs were prepared from samples. Metagenomic analysis of 16s ribosomal DNA extracted from the EVs was performed, and bacteria showing the greatest difference between controls and patients were identified. In vitro and in vivo therapeutic effects of significant bacterial EV were evaluated with keratinocytes and with Staphylococcus aureus-induced mouse AD models, respectively. RESULTS The proportions of Lactococcus, Leuconostoc and Lactobacillus EVs were significantly higher and those of Alicyclobacillus and Propionibacterium were lower in the control group than in the AD patient group. Therefore, lactic acid bacteria were considered to be important ones that contribute to the difference between the patient and control groups. In vitro, interleukin (IL)-6 from keratinocytes and macrophages decreased and cell viability was restored with Lactobacillus plantarum-derived EV treatment prior to S. aureus EV treatment. In S. aureus-induced mouse AD models, L. plantarum-derived EV administration reduced epidermal thickening and the IL-4 level. CONCLUSIONS We suggested the protective role of lactic acid bacteria in AD based on metagenomic analysis. Experimental findings further suggest that L. plantarum-derived EV could help prevent skin inflammation.
Collapse
Affiliation(s)
- Min Hye Kim
- Department of Internal Medicine, Ewha Womans University College of Medicine, Seoul, Korea.
| | | | - Hyun Il Choi
- Department of Life Science, Division of Molecular and Life Sciences, Pohang University of Science and Technology, Pohang, Korea
| | - Jun Pyo Choi
- Asan Institute for Life Sciences, Asan Medical Center, Seoul, Korea
| | - Han Ki Park
- Department of Internal Medicine, Kyungpook National University School of Medicine, Daegu, Korea
| | | | - Min Jeong Kim
- CJ R&D Center, CJ CheilJedang Corporation, Suwon, Korea
| | | | - Taek Ki Min
- Pediatric Allergy and Respiratory Center, Department of Pediatrics, Soonchunhyang University Seoul Hospital, Soonchunhyang University College of Medicine, Seoul, Korea
| | - Mina Rho
- Department of Computer Science and Engineering, Hanyang University, Seoul, Korea
| | - Young Joo Cho
- Department of Internal Medicine, Ewha Womans University College of Medicine, Seoul, Korea
| | | | | | - You Young Kim
- Department of Internal Medicine, National Medical Center, Seoul, Korea
| | - Bok Yang Pyun
- Pediatric Allergy and Respiratory Center, Department of Pediatrics, Soonchunhyang University Seoul Hospital, Soonchunhyang University College of Medicine, Seoul, Korea.
| |
Collapse
|
19
|
Kim MK, Lee SY, Park HS, Yoon HJ, Kim SH, Cho YJ, Yoo KH, Lee SK, Kim HK, Park JW, Park HW, Chung JH, Choi BW, Lee BJ, Chang YS, Jo EJ, Lee SY, Cho YS, Jee YK, Lee JM, Jung J, Park CS. A Randomized, Multicenter, Double-blind, Phase III Study to Evaluate the Efficacy on Allergic Rhinitis and Safety of a Combination Therapy of Montelukast and Levocetirizine in Patients With Asthma and Allergic Rhinitis. Clin Ther 2018; 40:1096-1107.e1. [PMID: 29945738 DOI: 10.1016/j.clinthera.2018.04.021] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2017] [Revised: 04/25/2018] [Accepted: 04/30/2018] [Indexed: 12/30/2022]
Abstract
PURPOSE The aim of this study was to evaluate the efficacy and safety of a fixed-dose combination of montelukast and levocetirizine in patients with perennial allergic rhinitis with mild to moderate asthma compared with the efficacy and safety of montelukast alone. METHODS This study was a 4-week, randomized, multicenter, double-blind, Phase III trial. After a 1-week placebo run-in period, the subjects were randomized to receive montelukast (10 mg/day, n = 112) or montelukast (10 mg/day)/levocetirizine (5 mg/day) (n = 116) treatment for 4 weeks. The primary efficacy end point was mean daytime nasal symptom score. Other efficacy end points included mean nighttime nasal symptom score, mean composite symptom score, overall assessment of allergic rhinitis by both subjects and physicians, forced expiratory volume in 1 second (FEV1), forced vital capacity (FVC), FEV1/FVC, asthma control test score, and the frequency of rescue medication used during the treatment period. FINDINGS Of 333 patients screened for this study, 228 eligible patients were randomized to treatment. The mean (SD) age of patients was 43.32 (15.02) years, and two thirds of subjects were female (66.67%). The demographic characteristics were similar between the treatment groups. Compared with the montelukast group, the montelukast/levocetirizine group reported significant reductions in mean daytime nasal symptom score (least squares mean [SE] of combination vs montelukast, -0.98 [0.06] vs -0.81 [0.06]; P = 0.045). For all other allergic rhinitis efficacy end points, the montelukast/levocetirizine group showed greater improvement than the montelukast group. Similar results were observed in overall assessment scores and in FEV1, FVC, FEV1/FVC, and asthma control test score changes from baseline for the 2 treatment groups. Montelukast/levocetirizine was well tolerated, and the safety profile was similar to that observed in the montelukast group. IMPLICATIONS The fixed-dose combination of montelukast and levocetirizine was effective and safe in treating perennial allergic rhinitis in patients with asthma compared with montelukast alone. ClinicalTrials.gov identifier: NCT02552667.
Collapse
Affiliation(s)
- Mi-Kyeong Kim
- Subdivision of Allergy, Department of Internal Medicine, Chungbuk National University College of Medicine, Cheongju, Republic of Korea
| | - Sook Young Lee
- Division of Allergy, Department of Internal Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - Hae-Sim Park
- Department of Allergy and Clinical Immunology, Ajou University School of Medicine, Suwon, Republic of Korea
| | - Ho Joo Yoon
- Division of Allergy and Respiratory Medicine, Department of Internal Medicine, Hanyang University College of Medicine, Seoul, Republic of Korea
| | - Sang-Ha Kim
- Department of Internal Medicine, Yonsei University Wonju College of Medicine, Wonju, Republic of Korea
| | - Young Joo Cho
- Division of Allergy and Clinical Immunology, Department of Internal Medicine, Ewha Womans University College of Medicine, Seoul, Republic of Korea
| | - Kwang-Ha Yoo
- Pulmonary-Allergy Division, Department of Internal Medicine, Konkuk University College of Medicine, Seoul, Republic of Korea
| | - Soo-Keol Lee
- Department of Internal Medicine, College of Medicine, Dong-A University, Busan, Republic of Korea
| | - Hee-Kyoo Kim
- Department of Internal Medicine, Kosin University College of Medicine, Busan, Republic of Korea
| | - Jung-Won Park
- Department of Internal Medicine, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Heung-Woo Park
- Department of Internal Medicine, Seoul National University College of Medicine, Seoul, Republic of Korea
| | - Jin-Hong Chung
- Department of Internal Medicine, Yeungnam University College of Medicine, Daegu, Republic of Korea
| | - Byoung Whui Choi
- Division of Respirology and Allergy, Department of Internal Medicine, Chung-Ang University College of Medicine, Seoul, Republic of Korea
| | - Byung-Jae Lee
- Division of Allergy, Department of Medicine, Samsung Medical Center, Sungkyunkwan University College of Medicine, Seoul, Republic of Korea
| | - Yoon-Seok Chang
- Division of Allergy and Clinical Immunology, Department of Internal Medicine, Seoul National University Bundang Hospital, Seongnam, Republic of Korea
| | - Eun-Jung Jo
- Division of Pulmonology, Allergy and Critical Care Medicine, Department of Internal Medicine, Pusan National University College of Medicine, Busan, Republic of Korea
| | - Sang-Yeub Lee
- Division of Pulmonology, Allergy and Critical Care Medicine, Department of Internal Medicine, Korea University College of Medicine, Seoul, Republic of Korea
| | - You Sook Cho
- Division of Allergy and Clinical Immunology, Department of Internal Medicine, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - Young-Koo Jee
- Department of Internal Medicine, Dankook University College of Medicine, Cheonan, Republic of Korea
| | - Jong-Myung Lee
- Department of Internal Medicine, Kyungpook National University School of Medicine, Daegu, Republic of Korea
| | - Jina Jung
- Hanmi Pharmaceutical Co, Seoul, Republic of Korea
| | - Choon-Sik Park
- Division of Allergy and Respiratory Medicine, Department of Internal Medicine, Soonchunhyang University Bucheon Hospital, Bucheon, Republic of Korea.
| |
Collapse
|
20
|
Diware MS, Ganorkar SP, Park K, Chegal W, Cho HM, Cho YJ, Kim YD, Kim H. Dielectric function, critical points, and Rydberg exciton series of WSe 2 monolayer. J Phys Condens Matter 2018; 30:235701. [PMID: 29714172 DOI: 10.1088/1361-648x/aac187] [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] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
The complex dielectric function ([Formula: see text]) of WSe2 monolayer grown by atomic layer deposition is investigated using spectroscopic ellipsometry. Band structure parameters are obtained by standard line-shape analysis of the second-energy-derivative of [Formula: see text] spectra. The fundamental band gap is observed at 2.26 eV, corresponds to transition between valence band (VB) maximum at the K point and conduction band (CB) minimum at Q point in the Brillouin zone (BZ). Two strong so-called A and B excitonic peaks in [Formula: see text] spectra originate from vertical transitions from spin-orbit split (0.43 eV) VB to CB at K point of the BZ. Binding energies of A and B exactions are 0.71 and 0.28 eV, respectively. Well resolved five excited excitons states has been detected within the spectral region between A and B. Energy profile of the Rydberg series shows significant deviation from the hydrogenic behavior, discussed in connection with the 2D hydrogen model. Results presented here will improve our understanding about the optical response of 2D materials and will help to design better optoelectronic applications and validate theoretical considerations.
Collapse
Affiliation(s)
- M S Diware
- CeNSCMR and Department of Physics and Astronomy, Seoul National University, Seoul 08826, Republic of Korea
| | | | | | | | | | | | | | | |
Collapse
|
21
|
Lee JH, Cho YJ, Park JJ, Oh IY, Choi DJ. P888Prognostic implication of ventricular conduction disturbance pattern in hospitalized patients with acute heart failure syndrome. Europace 2018. [DOI: 10.1093/europace/euy015.490] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Affiliation(s)
- J H Lee
- Seoul National University Bundang Hospital, Cardiovascular center, Seongnam, Korea Republic of
| | - Y J Cho
- Seoul National University Bundang Hospital, Cardiovascular center, Seongnam, Korea Republic of
| | - J J Park
- Seoul National University Bundang Hospital, Cardiovascular center, Seongnam, Korea Republic of
| | - I Y Oh
- Seoul National University Bundang Hospital, Cardiovascular center, Seongnam, Korea Republic of
| | - D J Choi
- Seoul National University Bundang Hospital, Cardiovascular center, Seongnam, Korea Republic of
| |
Collapse
|
22
|
Affiliation(s)
- Jung Hyun Lee
- Department of Ophthalmology, HanGil Eye Hospital, Incheon, Korea
| | - Young Joo Cho
- Department of Ophthalmology, HanGil Eye Hospital, Incheon, Korea
| | - Tae Hyung Lim
- Department of Ophthalmology, HanGil Eye Hospital, Incheon, Korea
- Department of Ophthalmology, Catholic Kwandong University College of Medicine, Gangneung, Korea
| | - Kee Yong Choi
- Department of Ophthalmology, HanGil Eye Hospital, Incheon, Korea
| | - Beom Jin Cho
- Department of Ophthalmology, HanGil Eye Hospital, Incheon, Korea
- Department of Ophthalmology, Catholic Kwandong University College of Medicine, Gangneung, Korea
| |
Collapse
|
23
|
Cho YJ, Jo WY, Oh H, Koo CH, Oh J, Cho JY, Yu KS, Jeon Y, Kim TK. Performance of the Minto model for the target-controlled infusion of remifentanil during cardiopulmonary bypass. Anaesthesia 2017; 72:1196-1205. [PMID: 28891056 DOI: 10.1111/anae.14019] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/08/2017] [Indexed: 02/05/2023]
Abstract
We studied the predictive performance of the Minto pharmacokinetic model during cardiopulmonary bypass in patients undergoing cardiac surgery. Patients received remifentanil target-controlled infusion using the Minto model during total intravenous anaesthesia with propofol. From 56 patients, 275 arterial blood samples were drawn before, during and after bypass to determine the plasma concentration of remifentanil, and the predicted concentrations were recorded at each time. For pooled data, the median prediction error and median absolute prediction error were 21.3% and 21.8%, respectively, and 22.1% and 22.3% during bypass. Both were 148.4% during hypothermic circulatory arrest and measured concentrations were more than three times greater than predicted (26.9 (17.0) vs. 7.1 (1.6) ng.ml-1 ). The Minto model showed considerable bias but overall acceptable precision during bypass. The target concentration of remifentanil should be reduced when using the Minto model during hypothermic circulatory arrest.
Collapse
Affiliation(s)
- Y J Cho
- Department of Anaesthesiology and Pain Medicine, Seoul National University Hospital, Seoul, South Korea
| | - W Y Jo
- Department of Anaesthesiology and Pain Medicine, Seoul National University Hospital, Seoul, South Korea
| | - H Oh
- Department of Anaesthesiology and Pain Medicine, Seoul National University Hospital, Seoul, South Korea
| | - C-H Koo
- CHA Bundang Medical Centre, Department of Anaesthesiology and Pain Medicine, Seongnam-si, South Korea
| | - J Oh
- Department of Clinical Pharmacology and Therapeutics, Seoul National University College of Medicine and Hospital, Seoul, South Korea
| | - J-Y Cho
- Department of Clinical Pharmacology and Therapeutics, Seoul National University College of Medicine and Hospital, Seoul, South Korea
| | - K-S Yu
- Department of Clinical Pharmacology and Therapeutics, Seoul National University College of Medicine and Hospital, Seoul, South Korea
| | - Y Jeon
- Department of Anaesthesiology and Pain Medicine, Seoul National University Hospital, Seoul, South Korea
| | - T K Kim
- Department of Anaesthesiology and Pain Medicine, Seoul National University Hospital, Seoul, South Korea
| |
Collapse
|
24
|
Kim MH, Rho M, Choi JP, Choi HI, Park HK, Song WJ, Min TK, Cho SH, Cho YJ, Kim YK, Yang S, Pyun BY. A Metagenomic Analysis Provides a Culture-Independent Pathogen Detection for Atopic Dermatitis. Allergy Asthma Immunol Res 2017; 9:453-461. [PMID: 28677360 PMCID: PMC5500701 DOI: 10.4168/aair.2017.9.5.453] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/14/2016] [Revised: 03/27/2017] [Accepted: 04/04/2017] [Indexed: 01/09/2023]
Abstract
Purpose Atopic dermatitis (AD) is an inflammatory skin disease, significantly affecting the quality of life. Using AD as a model system, we tested a successive identification of AD-associated microbes, followed by a culture-independent serum detection of the identified microbe. Methods A total of 43 genomic DNA preparations from washing fluid of the cubital fossa of 6 healthy controls, skin lesions of 27 AD patients, 10 of which later received treatment (post-treatment), were subjected to high-throughput pyrosequencing on a Roche 454 GS-FLX platform. Results Microbial diversity was decreased in AD, and was restored following treatment. AD was characterized by the domination of Staphylococcus, Pseudomonas, and Streptococcus, whereas Alcaligenaceae (f), Sediminibacterium, and Lactococcus were characteristic of healthy skin. An enzyme-linked immunosorbent assay (ELISA) showed that serum could be used as a source for the detection of Staphylococcus aureus extracellular vesicles (EVs). S. aureus EV-specific immunoglobulin G (IgG) and immunoglobulin E (IgE) were quantified in the serum. Conclusions A metagenomic analysis together with a serum detection of pathogen-specific EVs provides a model for successive identification and diagnosis of pathogens of AD.
Collapse
Affiliation(s)
- Min Hye Kim
- Department of Internal Medicine, Ewha Womans University School of Medicine, Seoul, Korea
| | - Mina Rho
- Department of Computer Science and Engineering, Hanyang University, Seoul, Korea
| | - Jun Pyo Choi
- Asan Institute for Life Sciences, University of Ulsan College of Medicine, Asan Medical Center, Seoul, Korea
| | - Hyun Il Choi
- Division of Molecular and Life Sciences, Department of Life Science, Pohang University of Science and Technology, Pohang, Korea
| | - Han Ki Park
- Department of Allergy and Clinical Immunology, Ajou University Medical Center, Suwon, Korea
| | - Woo Jung Song
- Department of Internal Medicine, Seoul National University College of Medicine, Seoul, Korea
| | - Taek Ki Min
- Department of Pediatrics, Pediatric Allergy and Respiratory Center, Soonchunhyang University Hospital, Soonchunhyang University College of Medicine, Seoul, Korea
| | - Sang Heon Cho
- Department of Internal Medicine, Seoul National University College of Medicine, Seoul, Korea
| | - Young Joo Cho
- Department of Internal Medicine, Ewha Womans University School of Medicine, Seoul, Korea
| | | | | | - Bok Yang Pyun
- Department of Pediatrics, Pediatric Allergy and Respiratory Center, Soonchunhyang University Hospital, Soonchunhyang University College of Medicine, Seoul, Korea.
| |
Collapse
|
25
|
Shim SR, Cho YJ, Shin IS, Kim JH. Efficacy and safety of botulinum toxin injection for interstitial cystitis/bladder pain syndrome: a systematic review and meta-analysis. Int Urol Nephrol 2016; 48:1215-1227. [PMID: 27139498 DOI: 10.1007/s11255-016-1295-y] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2016] [Accepted: 04/15/2016] [Indexed: 01/28/2023]
Abstract
PURPOSE To investigate the overall treatment efficacy and safety of botulinum toxin type A (BoNTA) injections compared with placebo in interstitial cystitis/bladder pain syndrome (IC/BPS). METHODS We conducted a systematic review and meta-analysis of the published literature in PubMed, Cochrane Library, and EMBASE on BoNTA use in IC/BPS. Outcome measures included changes of OLS, ICSI, ICPI, VAS, frequency, nocturia, FBC, Qmax, and PVR from baseline and also included adverse events. RESULTS A total of five studies were included, with a total sample size of 252 subjects (133 subjects in the experimental group and 119 subjects in the control group). The duration of follow-up ranged from 8 to 12 weeks. The BoNTA dosage was from 50 to 200 U. The pooled overall SMD in the mean change of VAS for the BoNTA group versus the placebo group was -0.49 (95 % CI -0.74, -0.23). There were also significant improvements in ICPI and frequency. The other outcomes (ICSI, nocturia, Qmax, and FBC) were not statistically different between the two groups. CONCLUSION Although BoNTA is not regulatory approved indication, this first evidence-based systematic review and meta-analysis of BoNTA injection for IC/BPS showed significant differences in efficacy of treatment compared with placebo, especially for pain control, and also showed no differences in the rate of procedure-related adverse events.
Collapse
Affiliation(s)
- Sung Ryul Shim
- Institute for Clinical Molecular Biology Research, Soonchunhyang University Hospital, Soonchunhyang University College of Medicine, Seoul, Republic of Korea
| | - Young Joo Cho
- Department of Epidemiology and Medical Informatics, Korea University, Seoul, Republic of Korea
| | - In-Soo Shin
- Department of Education, College of Education, Jeonju University, Jeonju, Republic of Korea
| | - Jae Heon Kim
- Department of Urology, Soonchunhyang University School of Medicine, Soonchunhyang University Hospital, Soonchunhyang University College of Medicine, Seoul, 140-743, Republic of Korea.
| |
Collapse
|
26
|
Choi JP, Lee SM, Choi HI, Kim MH, Jeon SG, Jang MH, Jee YK, Yang S, Cho YJ, Kim YK. House Dust Mite-Derived Chitin Enhances Th2 Cell Response to Inhaled Allergens, Mainly via a TNF-α-Dependent Pathway. Allergy Asthma Immunol Res 2016; 8:362-74. [PMID: 27126730 PMCID: PMC4853514 DOI: 10.4168/aair.2016.8.4.362] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/29/2015] [Revised: 08/17/2015] [Accepted: 09/14/2015] [Indexed: 11/24/2022]
Abstract
Purpose Chitin is a potent adjuvant in the development of immune response to inhaled allergens in the airways. According to other studies, chitin is known as multi-faced adjuvants which can induce Th2 responses. Recently, we found that TNF-α is a key mediator in the development of Th2 cell response to inhaled allergens. Here, we evaluated the immunologic mechanisms in the development of airway hypersensitivity to inhaled allergens, enhanced by house dust mite (HDM)-derived chitin. Methods The role of TNF-α and TLRs was evaluated in an airway hypersensitivity mouse model induced by a sensitization with an allergen (ovalbumin, OVA) and HDM-derived chitin using mice with the null mutation of target genes. Results The present study showed that airway sensitization with HDM-derived chitin plus OVA enhanced OVA-induced airway inflammation v. OVA alone. This phenotype was associated with the increased expression of Th1, Th2, and Th17 cytokines and also with the enhanced production of OVA-specific IgE, IgG1, and IgG2a. As for T cell responses, OVA-specific Th2 cell response, enhanced by chitin, was abolished by the treatment of chitinase, whereas Th1 and Th17 cell responses enhanced by this treatment. Moreover, the null mutation of the TNF-α gene revealed similar effects as the chitinase treatment. In contrast, all the OVA-specific T cell responses, enhanced by chitin, were blocked by the absence of TLR2, but not of TLR1, TLR4, or TLR6. Conclusions In conclusion, these data suggest that HDM-derived chitin may enhance airway hypersensitivity to inhaled allergens, via the TLR2-dependent pathway, and that chitin-induced TNF-α can be a key mediator in the development of Th2 cell response to inhaled allergens.
Collapse
Affiliation(s)
- Jun Pyo Choi
- Institute of Convergence Medicine, Ewha Womans University School of Medicine and Medical Center, Seoul, Korea
| | - Sang Min Lee
- Department of Internal Medicine, Gacheon University College of Medicine, Incheon, Korea
| | - Hyun Il Choi
- Department of Life Sciences, Pohang University of Science and Technology (POSTECH), Pohang, Korea
| | - Min Hye Kim
- Institute of Convergence Medicine, Ewha Womans University School of Medicine and Medical Center, Seoul, Korea
| | - Seong Gyu Jeon
- Department of Life Sciences, Pohang University of Science and Technology (POSTECH), Pohang, Korea
| | - Myoung Ho Jang
- Academy of Immunology and Microbiology (AIM), Institute for Basic Science (IBS), Pohang, Korea
| | - Young Koo Jee
- Department of Internal Medicine, Dankook University College of Medicine, Cheonan, Korea
| | - Sanghwa Yang
- Institute of Convergence Medicine, Ewha Womans University School of Medicine and Medical Center, Seoul, Korea
| | - Young Joo Cho
- Institute of Convergence Medicine, Ewha Womans University School of Medicine and Medical Center, Seoul, Korea
| | - Yoon Keun Kim
- Institute of Convergence Medicine, Ewha Womans University School of Medicine and Medical Center, Seoul, Korea.
| |
Collapse
|
27
|
Kim M, Cho YJ, Lee CH, Lee SC. Effect of intravitreal dexamethasone implant on retinal and choroidal thickness in refractory diabetic macular oedema after multiple anti-VEGF injections. Eye (Lond) 2016; 30:718-25. [PMID: 26939558 DOI: 10.1038/eye.2016.23] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2015] [Accepted: 01/05/2016] [Indexed: 11/09/2022] Open
Abstract
AimsTo investigate the effect of intravitreal dexamethasone implant (IVD) on central foveal thickness (CFT), choroidal thickness (CT) and its correlation with visual acuity in eyes with refractory diabetic macular oedema (DMO).MethodsThis was a retrospective interventional case-series. Thirty-five eyes of 35 patients were treated with a single injection of IVD because of refractory DMO with CFT over 300 μm, and persistent intraretinal and subretinal fluid despite of multiple intravitreal bevacizumab injections. Patients were followed-up for 6 months for the evaluation of CFT and subfoveal CT by spectral-domain optical coherence tomography.ResultsAll eyes (mean age: 59.4±12.35 years; 18 males, 17 females) had been previously treated with multiple bevacizumab injections and showed persistent DMO (mean number of injections 4.08±2.98) The preoperative logMAR BCVA was 0.49±0.24, which gradually improved to 0.46±0.32 at 6 months (P=0.652) and 26% gained two or more lines of Snellen visual acuity. At baseline, the mean CFT was 526.29±123.48 μm, which significantly improved to 316.15±100.09 μm at 3 months (P<0.001). However, CFT deteriorated to 457.07±136.53 μm at 6 months (P=0.051). Similarly, the mean preoperative subfoveal CT was 288.91±36.47 μm and it decreased to 266.85±30.93 μm at 3 months (P<0.01), but increased to 278.63±32.55 μm at 6 months (P=0.137). The reduction of CFT from baseline showed significant correlation with that of subfoveal CT at 3 months (P=0.041) and at 6 months (P=0.008).ConclusionsIn DMO refractory to multiple bevacizumab injections, IVD significantly reduced CFT and subfoveal CT, with BCVA improvement in one-fourth of the patients. The reduction of CFT showed significant correlation with reduction of subfoveal CT.
Collapse
Affiliation(s)
- M Kim
- Department of Ophthalmology, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul, Korea
| | - Y J Cho
- Department of Ophthalmology, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul, Korea
| | - C H Lee
- Department of Ophthalmology, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul, Korea
| | - S C Lee
- Department of Ophthalmology, Institute of Vision Research, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul, Korea
| |
Collapse
|
28
|
Chun YS, Rhyu KH, Cho KY, Cho YJ, Lee CS, Han CS. Osteochondroma Arising from Anterior Inferior Iliac Spine as a Cause of Snapping Hip. Clin Orthop Surg 2016; 8:123-6. [PMID: 26929811 PMCID: PMC4761596 DOI: 10.4055/cios.2016.8.1.123] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/27/2014] [Accepted: 12/16/2014] [Indexed: 11/14/2022] Open
Abstract
Snapping hip syndrome is a relatively common problem that can be easily managed with conservative treatment. This syndrome can be divided into external, internal and intra-articular types. Internal snapping hip syndrome is the rarest amongst these and its etiology is not well understood. We report a unique case of osteochondroma arising from the anterior inferior iliac spine (AIIS), which caused the internal snapping hip syndrome with hip pain and restriction of activity. This rare case of snapping hip syndrome from the AIIS was treated surgically and the symptoms completely disappeared after excision of the tumor.
Collapse
Affiliation(s)
- Young Soo Chun
- Department of Orthopaedic Surgery, Kyung Hee University Hospital at Gangdong, College of Medicine, Kyung Hee University, Seoul, Korea
| | - Kee Hyung Rhyu
- Department of Orthopaedic Surgery, Kyung Hee University Hospital at Gangdong, College of Medicine, Kyung Hee University, Seoul, Korea
| | - Kye-Youl Cho
- Department of Orthopaedic Surgery, Icheon Hospital, Gyeonggi Provincial Medical Center, Icheon, Korea
| | - Young Joo Cho
- Department of Orthopaedic Surgery, Kyung Hee University Hospital at Gangdong, College of Medicine, Kyung Hee University, Seoul, Korea
| | - Chung Seok Lee
- Department of Orthopaedic Surgery, Kyung Hee University Hospital at Gangdong, College of Medicine, Kyung Hee University, Seoul, Korea
| | - Chung Soo Han
- Department of Orthopaedic Surgery, Kyung Hee University Hospital at Gangdong, College of Medicine, Kyung Hee University, Seoul, Korea
| |
Collapse
|
29
|
Cho YJ, Lee JH, Shin DJ, Park KH. Comparison of short wrist transverse open and limited open techniques for carpal tunnel release: a randomized controlled trial of two incisions. J Hand Surg Eur Vol 2016; 41:143-7. [PMID: 26353946 DOI: 10.1177/1753193415603968] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/10/2014] [Accepted: 07/10/2015] [Indexed: 02/03/2023]
Abstract
UNLABELLED The purpose of this randomized controlled trial was to compare outcomes of limited open and short wrist transverse techniques in patients with carpal tunnel syndrome. In a single centre randomized controlled trial, 84 patients with idiopathic carpal tunnel syndrome were randomized before surgery to limited open or short wrist transverse open carpal tunnel release. The patients were evaluated at 6 weeks, 3 months, 6 months, and 1 and 2 years after surgery. At every follow-up, the Brigham and Women's Carpal Tunnel Questionnaire scores, scar discomfort, and subjective patient satisfaction were evaluated. Two years after surgery, five patients were lost to follow-up. The groups had similar Brigham and Women's Carpal Tunnel Questionnaire Symptom Severity and Functional Status scores and subjective satisfaction scores. The incidence of scar discomfort was not significantly different between the two groups on serial postoperative follow-up. Short wrist transverse open release surgery showed similar early postoperative symptoms and subjective and functional outcomes to limited open release. LEVEL OF EVIDENCE II.
Collapse
Affiliation(s)
- Y J Cho
- Department of Orthopedic Surgery, Kyung Hee University, Seoul, Korea
| | - J H Lee
- Department of Orthopedic Surgery, Kyung Hee University, Seoul, Korea
| | - D J Shin
- Department of Orthopedic Surgery, Kyung Hee University, Seoul, Korea
| | - K H Park
- Department of Orthopedic Surgery, Kyung Hee University, Seoul, Korea
| |
Collapse
|
30
|
Lee S, Jang C, Kong SJ, Kim JW, Cho YJ, Lim TH, Choi KY, Cho BJ. Comparison of Clinical Outcomes between Laser Blended Vision and Monovision Laser Refractive Surgery for Presbyopia. J Korean Ophthalmol Soc 2016. [DOI: 10.3341/jkos.2016.57.12.1840] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
|
31
|
Shin J, Kim Y, Lee H, Lee J, Kim KS, Cho YJ, Jo YH, Rhu H, Kim KS, Lee SM, Min J, Park G, Yoon J, Park SI, Lee YJ. Transcultural adaptation and validation of familial satisfaction in the intensive care unit in Korea: preliminary study. Intensive Care Med Exp 2015. [PMCID: PMC4796308 DOI: 10.1186/2197-425x-3-s1-a654] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/05/2022] Open
|
32
|
Yoon J, Lim G, Min J, Park G, Shin JY, Park SI, Cho YJ, Lee YJ. How much are family members satisfied with the intensive care unit in south korea? Intensive Care Med Exp 2015. [PMCID: PMC4798193 DOI: 10.1186/2197-425x-3-s1-a657] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
|
33
|
Chang Y, Moon JY, Cho YJ, Lee SM, Jeon K, Kim SC, Kim YS, Chong YP, Kim YS, Hong SB. The current pathogens and treatment of hospital-acquired pneumonia/ventilator-associated pneumonia in medical intensive care units. Intensive Care Med Exp 2015. [PMCID: PMC4798512 DOI: 10.1186/2197-425x-3-s1-a707] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
|
34
|
Cho YJ, Lee KH, Ahn JH, Hong CK, Ha YR. Evaluation of a novel simulation method of teaching B-lines: hand ultrasound with a wet foam dressing material. Crit Ultrasound J 2015. [PMCID: PMC4401507 DOI: 10.1186/2036-7902-7-s1-a30] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
|
35
|
Shim SR, Cho YJ, Shin IS, Kim JH. Efficacy and safety of botulinum toxin injection for benign prostatic hyperplasia: a systematic review and meta-analysis. Int Urol Nephrol 2015; 48:19-30. [PMID: 26560471 DOI: 10.1007/s11255-015-1153-3] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.6] [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: 10/04/2015] [Accepted: 10/29/2015] [Indexed: 01/16/2023]
Abstract
PURPOSE The aim of this study was to overcome the limitation of overlooking the placebo effect in previous studies and to demonstrate the overall treatment efficacy and safety of botulinum toxin type A (BTX-A) compared with placebo. METHODS We conducted a systematic review and meta-analysis of the published literature in PubMed, Cochrane Library, and Embase reporting on BTX use in lower urinary tract symptoms (LUTS)/benign prostate hyperplasia (BPH). Single-group analysis for the placebo effect and meta-regression analysis for the moderator effect were performed with high-quality RCTs compared with placebo. RESULTS A total of three studies were included, with a total sample size of 522 subjects (260 subjects in the experimental group and 262 subjects in the control group). Study duration ranged from 8 to 24 weeks. The pooled overall SMD in the mean change in IPSS for the BTX-A group versus the placebo group was -1.02 (95 % CI -1.97, -0.07). The other outcomes (Q max, prostate volume, and post-voided residual volume) were not statistically different between the two groups. The placebo effect in single-group analysis ranged from 0 to 27.9 % for IPSS, and from -1.1 to 28.7 % for Q max (lowest to highest, respectively). CONCLUSIONS This evidence-based systematic review and meta-analysis of the BTX-A injection for LUTS/BPH showed no differences in efficacy compared with placebo and also showed no difference in procedure-related adverse events occurred. Thus, the results of this study do not provide evidence of clinical benefits of using the BTX-A injection for LUTS/BPH in real clinical practice.
Collapse
Affiliation(s)
- Sung Ryul Shim
- Institute for Clinical Molecular Biology Research, Soonchunhyang University Hospital, Soonchunhyang University College of Medicine, Seoul, Republic of Korea
| | - Young Joo Cho
- Department of Epidemiology and Medical Informatics, Korea University, Seoul, Republic of Korea
| | - In-Soo Shin
- Department of Education, College of Education, Jeonju University, Jeonju, Republic of Korea
| | - Jae Heon Kim
- Department of Urology, Soonchunhyang University Hospital, Soonchunhyang University College of Medicine, Seoul, 140-743, Republic of Korea.
| |
Collapse
|
36
|
Cho YJ, Lee JH, Shin DJ, Park KH. Comparison of short wrist transverse open and limited open techniques for carpal tunnel release: a randomized controlled trial of two incisions. J Hand Surg Eur Vol 2015. [PMID: 26353946 DOI: 10.1177/1753193415603968.] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
UNLABELLED The purpose of this randomized controlled trial was to compare outcomes of limited open and short wrist transverse techniques in patients with carpal tunnel syndrome. In a single centre randomized controlled trial, 84 patients with idiopathic carpal tunnel syndrome were randomized before surgery to limited open or short wrist transverse open carpal tunnel release. The patients were evaluated at 6 weeks, 3 months, 6 months, and 1 and 2 years after surgery. At every follow-up, the Brigham and Women's Carpal Tunnel Questionnaire scores, scar discomfort, and subjective patient satisfaction were evaluated. Two years after surgery, five patients were lost to follow-up. The groups had similar Brigham and Women's Carpal Tunnel Questionnaire Symptom Severity and Functional Status scores and subjective satisfaction scores. The incidence of scar discomfort was not significantly different between the two groups on serial postoperative follow-up. Short wrist transverse open release surgery showed similar early postoperative symptoms and subjective and functional outcomes to limited open release. LEVEL OF EVIDENCE II.
Collapse
Affiliation(s)
- Y J Cho
- Department of Orthopedic Surgery, Kyung Hee University, Seoul, Korea
| | - J H Lee
- Department of Orthopedic Surgery, Kyung Hee University, Seoul, Korea
| | - D J Shin
- Department of Orthopedic Surgery, Kyung Hee University, Seoul, Korea
| | - K H Park
- Department of Orthopedic Surgery, Kyung Hee University, Seoul, Korea
| |
Collapse
|
37
|
Eom HJ, Shin JH, Cho YJ, Nam DH, Ko GY, Yoon HK. Transarterial embolisation of renal arteriovenous malformation: safety and efficacy in 24 patients with follow-up. Clin Radiol 2015; 70:1177-84. [PMID: 26183132 DOI: 10.1016/j.crad.2015.06.079] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2015] [Revised: 05/06/2015] [Accepted: 06/05/2015] [Indexed: 11/29/2022]
Abstract
AIM To evaluate the efficacy and safety of renal artery embolisation (RAE) for renal arteriovenous malformation (AVM) as well as its outcomes. MATERIALS AND METHODS The technical and clinical success rates, radiological and laboratory findings, and complications of RAE for 31 renal AVMs in 24 patients (M:F=9:15, mean age 46 years) at two separate medical institutions were retrospectively evaluated. Technical success was defined as complete occlusion of feeding arteries with no residual nidus seen on post-treatment angiography. Clinical failure was defined as recurrence of haematuria, presence of AVM on follow-up ultrasound or computed tomography, repeated RAE or surgery for the control of haematuria. Overall clinical success was defined as resolution haematuria or disappearance of AVM on follow-up imaging after single or multiple sessions of RAE. RESULTS Types of renal AVM were AVM, arterio-venous fistula (AVF) with intranidal aneurysm, and acquired AVF in 19, 1, and 4 patients, respectively. 18 patients (75%) underwent a single session of RAE, while 6 patients (25%) had two or more sessions of RAE. The level of embolisation was feeder, segmental artery, and main renal artery in 28 (90%), 2 (6%), and 1 (4%) procedures, respectively. Coil, n-butyl 2-cyanoacrylate, and polyvinyl alcohol were the most frequently chosen embolic materials and were used in 19, 14, and 8 procedures, respectively. The clinical success rate after initial RAE was 67% (16/24). Overall clinical success rate, including multisession RAE, was 88% (21/24). The technical success rate of 31 procedures was 65% (20/31). Among 11 technical failures in 10 patients, 4 achieved clinical success without additional RAE, 3 underwent second session RAE to achieve clinical success, and 3 patients underwent nephrectomy due to recurrence. CONCLUSION RAE is a safe and effective treatment for renal AVM. Technical failure of RAE does not always lead to clinical failure and multiple embolisation sessions may be effective for recurrent renal AVM.
Collapse
Affiliation(s)
- H-J Eom
- Department of Radiology and Research Institute of Radiology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, South Korea
| | - J H Shin
- Department of Radiology and Research Institute of Radiology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, South Korea.
| | - Y J Cho
- Department of Radiology, Busan Paik Hospital, Inje University College of Medicine, Busan, South Korea
| | - D H Nam
- Department of Radiology, Kyung Hee University Hospital at Gangdong, School of Medicine, Kyung Hee University, Seoul, South Korea
| | - G-Y Ko
- Department of Radiology and Research Institute of Radiology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, South Korea
| | - H-K Yoon
- Department of Radiology and Research Institute of Radiology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, South Korea
| |
Collapse
|
38
|
Cho YJ, Lee JH, Chung DW. Pedicled chimeric gastrocnemius-medial sural artery adipofascial flap for reconstruction of anterolateral defects of the knee. Microsurgery 2015; 37:206-211. [PMID: 26095849 DOI: 10.1002/micr.22436] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2014] [Revised: 05/19/2015] [Accepted: 05/26/2015] [Indexed: 11/09/2022]
Abstract
A medial gastrocnemius muscle flap is useful for soft tissue reconstruction of the knee and proximal tibia but insufficient to cover defects involving the lateral aspect of the knee. The purpose of this report is to present the results of the use of a pedicled chimeric gastrocnemius-medial sural artery adipofascial flap for reconstruction of defects of the knee and lateral aspect of the knee. Six patients underwent soft tissue reconstruction of the knee by means of the described procedure. Patients included one female and five males. The mean age of the patients was 48 years. The cause of soft tissue defects was open fractures in three cases and infection in three cases. The mean size of soft tissue defects was 9.3 × 7 cm (range: 6 × 3 to 18 × 14 cm), and the mean size of adipofascial components was 6.8 × 3.8 cm (range: 6 × 3 to 10 × 6 cm). Medial knee defects were covered by the medial gastrocnemius muscle component and lateral knee defects were covered by the medial sural artery adipofascial component. All flaps survived in the six cases. Soft tissue reconstruction and infection control were successful without any additional surgical procedures. A pedicled chimeric gastrocnemius-medial sural artery adipofascial flap may be considered effective for soft tissue reconstruction of the knee as it reduces scars at the donor site and reconstructs the lateral knee defects not covered by the medial gastrocnemius muscle flap. © 2015 Wiley Periodicals, Inc. Microsurgery 37:206-211, 2017.
Collapse
Affiliation(s)
- Young Joo Cho
- Department of Orthopedic Surgery, Kyung Hee University Hospital at Gangdong, Seoul, Korea
| | - Jae Hoon Lee
- Department of Orthopedic Surgery, Kyung Hee University Hospital at Gangdong, Seoul, Korea
| | - Duke Whan Chung
- Department of Orthopedic Surgery, Kyung Hee University Hospital at Gangdong, Seoul, Korea.,Kyung Hee Medical Center, School of Medicine, Kyung Hee University, Seoul, Korea
| |
Collapse
|
39
|
Abstract
Previous studies support the important role of vascular endothelial growth factor (VEGF) and syndecan-4 in the pathogenesis of osteoarthritis (OA). Both VEGF and syndecan-4 are expressed by chondrocytes and both are involved in the regulation of matrix metalloproteinase-3, resulting in the activation of aggrecanase II (ADAMTS-5), which is essential in the pathogenesis of OA. However, the relationship between VEGF and syndecan-4 has not been established. As a pilot study, we assayed the expression of VEGF and syndecan-4 in cartilage samples and cultured chondrocytes from osteoarthritic knee joints and analysed the relationship between these two factors. Specimens were collected from 21 female patients (29 knees) who underwent total knee replacement due to severe medial OA of the knee (Kellgren-Lawrence grade 4). Articular cartilage samples, obtained from bone and cartilage excised during surgery, were analysed and used for chondrocyte culture. We found that the levels of expression of VEGF and syndecan-4 mRNA did not differ significantly between medial femoral cartilage with severe degenerative changes and lateral femoral cartilage that appeared grossly normal (p = 0.443 and 0.622, respectively). Likewise, the levels of expression of VEGF and syndecan-4 mRNA were similar in cultured chondrocytes from medial and lateral femoral cartilage. The levels of expression of VEGF and syndecan-4 mRNAs were significantly and positively correlated in cartilage explant (r = 0.601, p = 0.003) but not in cultured chondrocytes. These results suggest that there is a close relationship between VEGF and syndecan-4 in the cartilage of patients with OA. Further studies are needed to determine the exact pathway by which these two factors interact in the pathogenesis of OA.
Collapse
Affiliation(s)
- J S Oh
- University of Ulsan College of Medicine, Department of Orthopedic Surgery, Ulsan University Hospital, 290-3 Jeonha-dong, Dong-gu, Ulsan 682-714, Korea
| | - Y S Youm
- University of Ulsan College of Medicine, Department of Orthopedic Surgery, Ulsan University Hospital, 290-3 Jeonha-dong, Dong-gu, Ulsan 682-714, Korea
| | - S D Cho
- University of Ulsan College of Medicine, Department of Orthopedic Surgery, Ulsan University Hospital, 290-3 Jeonha-dong, Dong-gu, Ulsan 682-714, Korea
| | - S W Choi
- University of Ulsan College of Medicine, Department of Orthopedic Surgery, Ulsan University Hospital, 290-3 Jeonha-dong, Dong-gu, Ulsan 682-714, Korea
| | - Y J Cho
- University of Ulsan College of Medicine, Department of Orthopedic Surgery, Ulsan University Hospital, 290-3 Jeonha-dong, Dong-gu, Ulsan 682-714, Korea
| |
Collapse
|
40
|
Cho YJ, Choi EY, Koh HJ, Lee SC, Kim M. Treatment of serous retinal detachment associated with choroidal ischemia with intravitreal bevacizumab following brain surgery. Korean J Ophthalmol 2014; 28:424-6. [PMID: 25276086 PMCID: PMC4179121 DOI: 10.3341/kjo.2014.28.5.424] [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] [Indexed: 11/26/2022] Open
Affiliation(s)
- Young Joo Cho
- Institute of Vision Research, Department of Ophthalmology, Yonsei University College of Medicine, Seoul, Korea
| | - Eun Young Choi
- Institute of Vision Research, Department of Ophthalmology, Yonsei University College of Medicine, Seoul, Korea
| | - Hyoung Jun Koh
- Institute of Vision Research, Department of Ophthalmology, Yonsei University College of Medicine, Seoul, Korea
| | - Sung Chul Lee
- Institute of Vision Research, Department of Ophthalmology, Yonsei University College of Medicine, Seoul, Korea
| | - Min Kim
- Institute of Vision Research, Department of Ophthalmology, Yonsei University College of Medicine, Seoul, Korea
| |
Collapse
|
41
|
Thompson PJ, Salvi S, Lin J, Cho YJ, Eng P, Abdul Manap R, Boonsawat W, Hsu JY, Faruqi RA, Moreno-Cantu JJ, Fish JE, Ho JCM. Insights, attitudes and perceptions about asthma and its treatment: findings from a multinational survey of patients from 8 Asia-Pacific countries and Hong Kong. Respirology 2014; 18:957-67. [PMID: 23730953 DOI: 10.1111/resp.12137] [Citation(s) in RCA: 80] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2013] [Revised: 04/26/2013] [Accepted: 04/29/2013] [Indexed: 11/30/2022]
Abstract
BACKGROUND AND OBJECTIVE The Asthma Insight and Management (AIM) survey was conducted in North America, Europe, the Asia-Pacific region and Latin America to characterize patients' insights, attitudes and perceptions about their asthma and its treatment. We report findings from the Asia-Pacific survey. METHODS Asthma patients (≥12 years) from Australia, China, Hong Kong, India, Malaysia, Singapore, South Korea, Taiwan and Thailand were surveyed. Patients answered 53 questions exploring general health, diagnosis/history, symptoms, exacerbations, patient burden, disease management, medications/treatments and patient's attitudes. The Global Initiative for Asthma guidelines were used to assess asthma control. The survey was conducted by random digit telephone dialling (Australia, China and Hong Kong) or by random face-to-face interviews (India, Malaysia, Singapore, South Korea, Taiwan and Thailand). RESULTS There were 80 761 households screened. Data from 3630 patients were collected. Wide disparity existed between objective measures of control and patient perception. Reported exacerbations during the previous year ranged from 19% (Hong Kong) to 67% (India). Reported unscheduled urgent/emergency visits to a doctor's office/hospital/clinic in the previous year ranged from 15% (Hong Kong) to 46% (Taiwan). Patients who reported having controlled asthma in the previous month ranged from 27% (South Korea) to 84% (Taiwan). Substantial functional and emotional limitations due to asthma were identified by 13% (South Korea) to 78% (India) of patients. CONCLUSIONS Asthma has a profound impact on patients' well-being despite the availability of effective treatments and evidence-based management guidelines. Substantial differences across the surveyed countries exist, suggesting unmet, country-specific cultural and educational needs. A large proportion of asthma patients overestimate their level of control.
Collapse
Affiliation(s)
- Philip J Thompson
- Lung Institute of WA and Centre for Asthma, Allergy and Respiratory Research University of Western Australia, Nedlands, Western Australia, Australia.
| | | | | | | | | | | | | | | | | | | | | | | |
Collapse
|
42
|
Perreault S, Ramaswamy V, Achrol AS, Chao K, Liu TT, Shih D, Remke M, Schubert S, Bouffet E, Fisher PG, Partap S, Vogel H, Taylor MD, Cho YJ, Yeom KW. MRI surrogates for molecular subgroups of medulloblastoma. AJNR Am J Neuroradiol 2014; 35:1263-9. [PMID: 24831600 DOI: 10.3174/ajnr.a3990] [Citation(s) in RCA: 186] [Impact Index Per Article: 18.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
BACKGROUND AND PURPOSE Recently identified molecular subgroups of medulloblastoma have shown potential for improved risk stratification. We hypothesized that distinct MR imaging features can predict these subgroups. MATERIALS AND METHODS All patients with a diagnosis of medulloblastoma at one institution, with both pretherapy MR imaging and surgical tissue, served as the discovery cohort (n = 47). MR imaging features were assessed by 3 blinded neuroradiologists. NanoString-based assay of tumor tissues was conducted to classify the tumors into the 4 established molecular subgroups (wingless, sonic hedgehog, group 3, and group 4). A second pediatric medulloblastoma cohort (n = 52) from an independent institution was used for validation of the MR imaging features predictive of the molecular subtypes. RESULTS Logistic regression analysis within the discovery cohort revealed tumor location (P < .001) and enhancement pattern (P = .001) to be significant predictors of medulloblastoma subgroups. Stereospecific computational analyses confirmed that group 3 and 4 tumors predominated within the midline fourth ventricle (100%, P = .007), wingless tumors were localized to the cerebellar peduncle/cerebellopontine angle cistern with a positive predictive value of 100% (95% CI, 30%-100%), and sonic hedgehog tumors arose in the cerebellar hemispheres with a positive predictive value of 100% (95% CI, 59%-100%). Midline group 4 tumors presented with minimal/no enhancement with a positive predictive value of 91% (95% CI, 59%-98%). When we used the MR imaging feature-based regression model, 66% of medulloblastomas were correctly predicted in the discovery cohort, and 65%, in the validation cohort. CONCLUSIONS Tumor location and enhancement pattern were predictive of molecular subgroups of pediatric medulloblastoma and may potentially serve as a surrogate for genomic testing.
Collapse
Affiliation(s)
- S Perreault
- From the Department of Neurology (S. Perreault, S.S., P.G.F., S. Partap, Y.J.C.), Division of Child NeurologyDivision of Child Neurology (S. Perreault), Centre Hospitalier Universitaire Sainte-Justine, Montreal, Quebec, Canada
| | - V Ramaswamy
- Division of Neurosurgery (V.R., D.S., M.R., M.D.T.)Labatt Brain Tumour Research Centre (V.R., D.S., M.R., E.B., M.D.T.)Department of Laboratory Medicine and Pathobiology (V.S., D.S., M.R., M.D.T.), University of Toronto, Toronto, Ontario, Canada
| | - A S Achrol
- Department of Neurosurgery (A.S.A., K.C.)
| | - K Chao
- Department of Neurosurgery (A.S.A., K.C.)
| | - T T Liu
- Department of Radiology (T.T.L.)
| | - D Shih
- Division of Neurosurgery (V.R., D.S., M.R., M.D.T.)Labatt Brain Tumour Research Centre (V.R., D.S., M.R., E.B., M.D.T.)Department of Laboratory Medicine and Pathobiology (V.S., D.S., M.R., M.D.T.), University of Toronto, Toronto, Ontario, Canada
| | - M Remke
- Division of Neurosurgery (V.R., D.S., M.R., M.D.T.)Labatt Brain Tumour Research Centre (V.R., D.S., M.R., E.B., M.D.T.)Department of Laboratory Medicine and Pathobiology (V.S., D.S., M.R., M.D.T.), University of Toronto, Toronto, Ontario, Canada
| | - S Schubert
- From the Department of Neurology (S. Perreault, S.S., P.G.F., S. Partap, Y.J.C.), Division of Child Neurology
| | - E Bouffet
- Labatt Brain Tumour Research Centre (V.R., D.S., M.R., E.B., M.D.T.)Division of Pediatric Hematology/Oncology (E.B), Hospital for Sick Children, Toronto, Ontario, Canada
| | - P G Fisher
- From the Department of Neurology (S. Perreault, S.S., P.G.F., S. Partap, Y.J.C.), Division of Child Neurology
| | - S Partap
- From the Department of Neurology (S. Perreault, S.S., P.G.F., S. Partap, Y.J.C.), Division of Child Neurology
| | - H Vogel
- Richard M. Lucas Center for Imaging, and Department of Pathology (H.V.), Stanford University, Stanford, California
| | - M D Taylor
- Division of Neurosurgery (V.R., D.S., M.R., M.D.T.)Labatt Brain Tumour Research Centre (V.R., D.S., M.R., E.B., M.D.T.)Department of Laboratory Medicine and Pathobiology (V.S., D.S., M.R., M.D.T.), University of Toronto, Toronto, Ontario, Canada
| | - Y J Cho
- From the Department of Neurology (S. Perreault, S.S., P.G.F., S. Partap, Y.J.C.), Division of Child Neurology
| | - K W Yeom
- Department of Radiology (K.W.Y.), Lucile Packard Children's Hospital at Stanford University, Palo Alto, California
| |
Collapse
|
43
|
Kwon SY, Kim IS, Bae JE, Kang JW, Cho YJ, Cho NS, Lee SW. Pathogen inactivation efficacy of Mirasol PRT System and Intercept Blood System for non-leucoreduced platelet-rich plasma-derived platelets suspended in plasma. Vox Sang 2014; 107:254-60. [PMID: 24806328 DOI: 10.1111/vox.12158] [Citation(s) in RCA: 61] [Impact Index Per Article: 6.1] [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: 11/12/2013] [Revised: 03/14/2014] [Accepted: 04/13/2014] [Indexed: 11/28/2022]
Abstract
BACKGROUND AND OBJECTIVES This study was conducted to evaluate the efficacy of pathogen inactivation (PI) in non-leucoreduced platelet-rich plasma-derived platelets suspended in plasma using the Mirasol PRT System and the Intercept Blood System. METHODS Platelets were pooled using the Acrodose PL system and separated into two aliquots for Mirasol and Intercept treatment. Four replicates of each viral strain were used for the evaluation. For bacteria, both low-titre (45-152 CFU/unit) inoculation and high-titre (7·34-10·18 log CFU/unit) inoculation with two replicates for each bacterial strain were used. Platelets with non-detectable bacterial growth and platelets inoculated with a low titre were stored for 5 days, and culture was performed with the BacT/ALERT system. RESULTS The inactivation efficacy expressed as log reduction for Mirasol and Intercept systems for viruses was as follows: human immunodeficiency virus 1, ≥4·19 vs. ≥4·23; bovine viral diarrhoea virus, 1·83 vs. ≥6·03; pseudorabies virus, 2·73 vs. ≥5·20; hepatitis A virus, 0·62 vs. 0·76; and porcine parvovirus, 0·28 vs. 0·38. The inactivation efficacy for bacteria was as follows: Escherichia coli, 5·45 vs. ≥9·22; Staphylococcus aureus, 4·26 vs. ≥10·11; and Bacillus subtilis, 5·09 vs. ≥7·74. Postinactivation bacterial growth in platelets inoculated with a low titre of S. aureus or B. subtilis was detected only with Mirasol. CONCLUSION Pathogen inactivation efficacy of Intercept for enveloped viruses was found to be satisfactory. Mirasol showed satisfactory inactivation efficacy for HIV-1 only. The two selected non-enveloped viruses were not inactivated by both systems. Inactivation efficacy of Intercept was more robust for all bacteria tested at high or low titres.
Collapse
Affiliation(s)
- S Y Kwon
- Blood Transfusion Research Institute, Korean Red Cross, Seoul, Korea
| | | | | | | | | | | | | |
Collapse
|
44
|
Cho YJ, Lee DH, Kang HM, Kim M, Koh HJ. Reversal of early central retinal vein occlusion by alleviating optic nerve edema with an intravitreal dexamethasone implant. Korean J Ophthalmol 2014; 28:192-3. [PMID: 24688266 PMCID: PMC3958639 DOI: 10.3341/kjo.2014.28.2.192] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2013] [Accepted: 02/06/2014] [Indexed: 11/29/2022] Open
Abstract
This case describes the reversal of early central retinal vein occlusion (CRVO) with disc swelling after intravitreal dexamethasone implant (Ozurdex) injection. A 44-year-old female presented with sudden-onset intermittent blurred vision in her left eye. Fundus examination revealed multiple retinal hemorrhages without macular edema (ME). Two weeks later, an increased number of retinal hemorrhages with severe disc swelling were noted with still no sign of ME. An intravitreal dexamethasone implant was injected. Five days later, there were improvements in disc swelling and retinal hemorrhage. One month later, her subjective visual symptoms were completely improved, and fundus examination revealed marked improvement along with almost complete resolution of disc swelling. Intravitreal dexamethasone implant injection may potentially change the natural course of CRVO progression and its various subsequent complications.
Collapse
Affiliation(s)
- Young Joo Cho
- Department of Ophthalmology, The Institute of Vision Research, Yonsei University College of Medicine, Seoul, Korea
| | - Dong Hyun Lee
- Department of Ophthalmology, The Institute of Vision Research, Yonsei University College of Medicine, Seoul, Korea
| | - Hae Min Kang
- Department of Ophthalmology, The Institute of Vision Research, Yonsei University College of Medicine, Seoul, Korea
| | - Min Kim
- Department of Ophthalmology, The Institute of Vision Research, Yonsei University College of Medicine, Seoul, Korea
| | - Hyoung Jun Koh
- Department of Ophthalmology, The Institute of Vision Research, Yonsei University College of Medicine, Seoul, Korea
| |
Collapse
|
45
|
Chiu KC, Boonsawat W, Cho SH, Cho YJ, Hsu JY, Liam CK, Muttalif AR, Nguyen HD, Nguyen VN, Wang C, Kwon N. Patients' beliefs and behaviors related to treatment adherence in patients with asthma requiring maintenance treatment in Asia. J Asthma 2014; 51:652-9. [PMID: 24580369 PMCID: PMC4133971 DOI: 10.3109/02770903.2014.898772] [Citation(s) in RCA: 40] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Objectives To identify patients’ beliefs or behaviors related to treatment adherence and to assess association between asthma control and adherence in Asian patients with asthma. Methods We conducted a cross-sectional observational study of adult patients with asthma from specialist clinics in six Asian countries. Patients who were deemed by their treating physicians to require a maintenance treatment with an inhaler for at least 1 year were recruited. Patients completed a 12-item questionnaire related to health beliefs and behaviors, the 8-item Morisky Medication Adherence Scale (MMAS-8), the Asthma Control Test (ACT™), and the Standardized Asthma Quality of Life Questionnaire (AQLQ-S). Results Of the 1054 patients recruited, 99% were current users of inhaled corticosteroids. The mean ACT score was 20.0 ± 4.5 and 64% had well-controlled asthma. The mean MMAS-8 score was 5.5 ± 2.0 and 53% were adherent. Adherence was significantly associated with patients’ understanding of the disease and inhaler techniques, and with patients’ acceptance of inhaler medicines in terms of benefits, safety, convenience, and cost (p < 0.01 for all). In multivariate analysis, three questions related to patients’ acceptance of inhaler medicines remained significantly associated with poor adherence, after adjusting for potential confounders: “I am not sure inhaler type medicines work well” (p = 0.001), “Taking medicines more than once a day is inconvenient” (p = 0.002), and “Sometimes I skip my inhaler to use it over a longer period” (p < 0.001). Conclusions Our study showed that patients’ acceptance of the benefits, convenience and cost of inhaler medications have a significant impact on treatment adherence in the participating Asian countries.
Collapse
Affiliation(s)
- K-C Chiu
- Division of Chest, Department of Internal Medicine, Lotung Poh-Ai Hospital , Luodong , Taiwan
| | | | | | | | | | | | | | | | | | | | | |
Collapse
|
46
|
Cho YJ, Kim EK, Lee HK. The Efficacy of Low-Dose Systemic Cyclosporine for Graft Failure after Penetrating Keratoplasty in High-Risk Group. J Korean Ophthalmol Soc 2014. [DOI: 10.3341/jkos.2014.55.1.13] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Affiliation(s)
- Young Joo Cho
- Institute of Vision Research, Department of Ophthalmology, Yonsei University College of Medicine, Seoul, Korea
| | - Eung Kweon Kim
- Institute of Vision Research, Department of Ophthalmology, Yonsei University College of Medicine, Seoul, Korea
- Institute of Corneal Dystrophy Research, Yonsei University College of Medicine, Seoul, Korea
| | - Hyung Keun Lee
- Institute of Vision Research, Department of Ophthalmology, Yonsei University College of Medicine, Seoul, Korea
- Severance Institute for Vascular and Metabolic Research, Yonsei University College of Medicine, Seoul, Korea
| |
Collapse
|
47
|
Kim MS, Cho KA, Cho YJ, Woo SY. Effects of interleukin-9 blockade on chronic airway inflammation in murine asthma models. Allergy Asthma Immunol Res 2013; 5:197-206. [PMID: 23814672 PMCID: PMC3695233 DOI: 10.4168/aair.2013.5.4.197] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/22/2012] [Revised: 09/29/2012] [Accepted: 10/24/2012] [Indexed: 01/08/2023]
Abstract
Purpose Asthma is a chronic inflammatory disease of the airways associated with structural changes and airway remodeling. Interleukin (IL)-9 has pleiotropic effects on both inflammatory cells and airway structural cells, which are involved in asthma pathogenesis. We evaluated the effects of IL-9 blockade on chronic airway inflammation. Methods Acute airway inflammation was induced in Balb/c mice using aerosolized ovalbumin (OVA), whereas chronic asthma was induced by OVA exposure for 5 weeks with anti-IL-9 or isotype-matched antibody (Ab) treatment during the OVA challenge. Inflammatory cells in bronchoalveolar lavage fluid (BALF) were counted and lung tissues were stained to detect cellular infiltration, mucus deposition, and collagen accumulation. The levels of interferon (IFN)-γ, IL-4, IL-5, IL-9, IL-17, and immunoglobulin E (IgE) in BALF were measured using enzyme linked immunosorbent assays, and profiles of inflammatory cells and subsets of T helper (Th) cells were analyzed using flow cytometry. Results IL-9, IL-17, and IFN-γ levels were significantly increased in the chronic group compared to the acute asthma group. However, the number of IL-9-positive cells was not affected, with a decrease in Th17 cells in OVA-challenged caspase-1 knockout mice. Numbers of eosinophils, neutrophils, B cells, mast cells, and Th17 cells decreased after administration of anti-IL-9 Ab. Total IgE, IL-5, IL-9, and IL-17 levels were also lower in the anti-IL-9 group. Conclusions Our results suggest that anti-IL-9 Ab treatment inhibits pulmonary infiltration of inflammatory cells and cytokine production, especially IL-17. These results provide a basis for the use of an anti-IL-9 Ab to combat IL-17-mediated airway inflammation.
Collapse
Affiliation(s)
- Myung Shin Kim
- Department of Internal Medicine, Soonchunhyang University Gumi Hospital, Gumi, Korea
| | | | | | | |
Collapse
|
48
|
Kim MS, Cho YJ. Flow Cytometry-Assisted Basophil Activation Test as a Safe Diagnostic Tool for Aspirin/NSAID Hypersenstivity. Allergy Asthma Immunol Res 2012; 4:137-42. [PMID: 22548206 PMCID: PMC3328730 DOI: 10.4168/aair.2012.4.3.137] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/25/2010] [Revised: 09/28/2011] [Accepted: 10/12/2011] [Indexed: 11/20/2022]
Abstract
Purpose Aspirin and non-steroidal anti-inflammatory drugs (ASA/NSAIDs) are common causes of drug hypersensitivity. An oral provocation test is the only definitive diagnostic test. This study assessed the reliability of a flow cytometry-assisted basophil activation test (FAST) as a safe diagnostic method for ASA/NSAID-induced hypersensitivity, as its high sensitivity and specificity have been demonstrated for many other drugs. Methods Eighteen patients and 11 controls were enrolled. Using a Flow-CAST kit® (Bühlmann Laboratories AG, Schönenbuch, Switzerland), 29 analyses with aspirin, ibuprofen, and diclofenac were performed by flow cytometry to detect double-positive staining of anti-IgE and anti-CD63. The stimulation index was defined as the activated basophil percentage after drug stimulation/basally active basophil percentage. A stimulation index≥2 and an absolute activated basophil percentage≥5 were considered positive. Results Patients with hypersensitivity to ASA/NSAIDs were predominantly female, and the prevalence of atopy was higher in patients than in controls. A sensitivity of 61%, specificity of 91%, positive predictive value of 92%, and negative predictive value of 59% were achieved. Conclusions FAST is a useful additional method for diagnosis of hypersensitivity reactions to ASA/NSAIDs. Further development is required to increase the sensitivity of the test.
Collapse
Affiliation(s)
- Myung Shin Kim
- Department of Internal Medicine, Soon Chun Hyang University Gumi Hospital, Gumi, Korea
| | | |
Collapse
|
49
|
Affiliation(s)
- Myung Jin Shin
- Department of Radiology, Asan Medical Center, University of Ulan College of Medicine, Seoul, Korea
| | - Young Joo Cho
- Department of Internal Medicine, Mokdong Hospital, Ewha Womans University School of Medicine, Seoul, Korea
| |
Collapse
|
50
|
Cho KA, Suh JW, Sohn JH, Park JW, Lee H, Kang JL, Woo SY, Cho YJ. IL-33 induces Th17-mediated airway inflammation via mast cells in ovalbumin-challenged mice. Am J Physiol Lung Cell Mol Physiol 2011; 302:L429-40. [PMID: 22180658 DOI: 10.1152/ajplung.00252.2011] [Citation(s) in RCA: 52] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023] Open
Abstract
Allergic asthma is characterized by infiltration of eosinophils, elevated Th2 cytokine levels, airway hyperresponsiveness, and IgE. In addition to eosinophils, mast cells, and basophils, a variety of cytokines are also involved in the development of allergic asthma. The pivotal role of eosinophils in the progression of the disease has been a subject of controversy. To determine the role of eosinophils in the progression of airway inflammation, we sensitized and challenged BALB/c wild-type (WT) mice and eosinophil-deficient ΔdblGATA mice with ovalbumin (OVA) and analyzed different aspects of inflammation. We observed increased eosinophil levels and a Th2-dominant response in OVA-challenged WT mice. In contrast, eosinophil-deficient ΔdblGATA mice displayed an increased proportion of mast cells and a Th17-biased response following OVA inhalation. Notably, the levels of IL-33, an important cytokine responsible for Th2 immune deviation, were not different between WT and eosinophil-deficient mice. We also demonstrated that mast cells induced Th17-differentiation via IL-33/ST2 stimulation in vitro. These results indicate that eosinophils are not essential for the development of allergic asthma and that mast cells can skew the immune reaction predominantly toward Th17 responses via IL-33 stimulation.
Collapse
Affiliation(s)
- Kyung-Ah Cho
- Department of Microbiology, School of Medicine, Ewha Womans University, Seoul, Korea
| | | | | | | | | | | | | | | |
Collapse
|