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Chung E, Park Y, Park DH, Jeon JY, Kang YA. Association of physical inactivity and handgrip strength with non-tuberculous mycobacterial pulmonary disease. Int J Tuberc Lung Dis 2024; 28:367-373. [PMID: 39049169 DOI: 10.5588/ijtld.23.0476] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/27/2024] Open
Abstract
BACKGROUND Little is known about the level of physical activity (PA) among patients with non-tuberculous mycobacterial pulmonary disease (NTM-PD), the relationship between PA levels and NTM-PD, and the relationship between handgrip strength and NTM-PD.METHODS We conducted a case-control study comparing the PA levels and handgrip strength of patients with NTM-PD and controls. Patients with NTM-PD were prospectively enrolled at Severance Hospital, Seoul, whereas controls were selected at a 1:2 propensity score matching from the Korea National Health and Nutrition Examination Survey conducted between 2014 and 2019. Multivariate logistic regression analysis was conducted to evaluate these relationships.RESULTS The total PA level in the NTM-PD group was lower than that in the control group (120.0 vs. 560.0 MET-min/week, P < 0.001). Physical inactivity was significantly associated with both NTM-PD (aOR 2.87, 95% CI 1.73-4.75) and severity of NTM-PD (aOR 3.82, 95% CI 1.61-9.05; cavity ≥1). Low handgrip strength was found to be associated with NTM-PD (aOR 2.14, 95% CI 1.14-4.02), but no significant association was observed with the severity of NTM-PD.CONCLUSIONS Physical inactivity was associated with both NTM-PD and NTM-PD severity, whereas low handgrip strength was associated with NTM-PD..
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Ha MJ, Lee JE, Park Y, Cha JS, Kim YM, Kim BS. Catalytic ozonation of methylethylketone over porous Mn-Cu/HZSM-5. ENVIRONMENTAL RESEARCH 2023; 227:115706. [PMID: 36931381 DOI: 10.1016/j.envres.2023.115706] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/31/2022] [Revised: 03/08/2023] [Accepted: 03/15/2023] [Indexed: 05/08/2023]
Abstract
The catalytic ozonation of methylethylketone (MEK) was performed at the room temperature (25 °C) using the synthesized Mn and Cu-loaded zeolite (ZSM-5, SiO2/Al2O3 = 80) catalysts. The ZSM-5 zeolite was used as a porous support material due to the large surface area and high capacity for adsorption of volatile organic compounds. Since Mn and Cu-loaded zeolite catalysts were effective for the catalytic ozonation of VOCs such as MEK, according to the loaded concentration of Mn and Cu, there are four types of metal loaded ZSM5 catalysts synthesized [5 wt% Mn/ZSM-5, 5 wt% Cu/ZSM-5, 5 wt% Mn-1 wt% Cu/ZSM-5 (5Mn1CuZSM), and 5 wt% Cu-1 wt% Mn/ZSM-5]. The catalytic efficiency for the removal of MEK and ozonation using the different catalysts was also studied. Based on various experimental analysis processes, the characteristics of the synthesized catalysts were explored and the removal efficiencies of MEK and O3 together with the COx concentration generated from the destruction of MEK and O3 were explored. The results for the decomposition of MEK and O3 at the room temperature indicated that the Mn dominant ZSM-5 catalysts showed better efficiency for the conversion of MEK and O3. The 5 wt% Mn/ZSM-5 outweighed the rest of them for the removal of MEK while the 5Mn1CuZSM showed the best catalytic reactivity for the conversion of O3 and the CO2 selectivity. It was ascertained that during the reaction time of catalyst and reactants of 120 min the Mn dominantly deposited bimetallic catalyst, 5Mn1CuZSM, was determined as the most effective for the removal of MEK and O3 due to the high capability of production of Mn3+ species and more available adsorbed oxygen sites compared to the other catalysts. Finally, the durability measurement for the 5Mn1CuZSM catalyst was performed together with the produced CO and CO2 concentration for 420 min.
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Gajamannage K, Jayathilake DI, Park Y, Bollt EM. Recurrent neural networks for dynamical systems: Applications to ordinary differential equations, collective motion, and hydrological modeling. CHAOS (WOODBURY, N.Y.) 2023; 33:013109. [PMID: 36725658 PMCID: PMC9822653 DOI: 10.1063/5.0088748] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/20/2022] [Accepted: 12/07/2022] [Indexed: 06/18/2023]
Abstract
Classical methods of solving spatiotemporal dynamical systems include statistical approaches such as autoregressive integrated moving average, which assume linear and stationary relationships between systems' previous outputs. Development and implementation of linear methods are relatively simple, but they often do not capture non-linear relationships in the data. Thus, artificial neural networks (ANNs) are receiving attention from researchers in analyzing and forecasting dynamical systems. Recurrent neural networks (RNNs), derived from feed-forward ANNs, use internal memory to process variable-length sequences of inputs. This allows RNNs to be applicable for finding solutions for a vast variety of problems in spatiotemporal dynamical systems. Thus, in this paper, we utilize RNNs to treat some specific issues associated with dynamical systems. Specifically, we analyze the performance of RNNs applied to three tasks: reconstruction of correct Lorenz solutions for a system with a formulation error, reconstruction of corrupted collective motion trajectories, and forecasting of streamflow time series possessing spikes, representing three fields, namely, ordinary differential equations, collective motion, and hydrological modeling, respectively. We train and test RNNs uniquely in each task to demonstrate the broad applicability of RNNs in the reconstruction and forecasting the dynamics of dynamical systems.
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Cervantes R, Carosi G, Hanretty C, Kimes S, LaRoque BH, Leum G, Mohapatra P, Oblath NS, Ottens R, Park Y, Rybka G, Sinnis J, Yang J. Search for 70 μeV Dark Photon Dark Matter with a Dielectrically Loaded Multiwavelength Microwave Cavity. PHYSICAL REVIEW LETTERS 2022; 129:201301. [PMID: 36462025 DOI: 10.1103/physrevlett.129.201301] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/22/2022] [Revised: 08/29/2022] [Accepted: 09/21/2022] [Indexed: 06/17/2023]
Abstract
Microwave cavities have been deployed to search for bosonic dark matter candidates with masses of a few μeV. However, the sensitivity of these cavity detectors is limited by their volume, and the traditionally employed half-wavelength cavities suffer from a significant volume reduction at higher masses. Axion dark matter experiment (ADMX)-Orpheus mitigates this issue by operating a tunable, dielectrically loaded cavity at a higher-order mode, which allows the detection volume to remain large. The ADMX-Orpheus inaugural run excludes dark photon dark matter with kinetic mixing angle χ>10^{-13} between 65.5 μeV (15.8 GHz) and 69.3 μeV (16.8 GHz), marking the highest-frequency tunable microwave cavity dark matter search to date.
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Kim D, Park Y, Shin DY, Koh Y, Byun J, Hong J. 212P Dual T lymphocyte suppression with antithymocyte globulin and post-transplant cyclophosphamide as graft-versus-host disease prophylaxis in haploidentical hematopoietic stem cell transplant for acute leukemias and myelodysplastic syndrome. Ann Oncol 2022. [DOI: 10.1016/j.annonc.2022.10.247] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/07/2022] Open
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Park Y, Byun J, Lee JO, Kim J, Koh Y. 211P Chemotherapy delivery time affects anti-lymphoma treatment outcome in a sex-dependent manner. Ann Oncol 2022. [DOI: 10.1016/j.annonc.2022.10.246] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/05/2022] Open
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Park Y, Yu HT, Kim TH, Uhm JS, Joung B, Lee MH, Pak HN. Effects of early recurrence and extra-PV triggers on long-term recurrence after catheter ablation for atrial fibrillation. Eur Heart J 2022. [DOI: 10.1093/eurheartj/ehac544.594] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Abstract
Background
Although early recurrence (ER) within 3 months after atrial fibrillation (AF) catheter ablation (AFCA) was recently reported to be a reliable predictor of late recurrence (LR), the mechanism is not clear.
Purpose
We explored the characteristics of patients with ER and compared the long-term late recurrence (LR) pattern depending on the existence of extra-pulmonary vein trigger (ExPV-trigger).
Methods
Among 3643 patients who underwent de novo AFCA, we included 1249 patients (59.2±11.0 years old, 31.3% persistent AF) who underwent isoproterenol provocation and regular follow-up over three years after AFCA. We evaluated the risk factors for ER and compared the patients with ER alone (10.1%), LR alone (16.6%), and ER+LR (15.9%), and the outcome of repeat procedure.
Results
Overall ER (ER alone and ER+LR) was independently associated with persistent AF (OR 1.58 [1.16–2.14], p=0.003), extra-PV triggers (OR 2.80 [1.90–4.13], p<0.001), and empirical extra-PV ablation (OR 1.54 [1.15–2.07], p=0.004). Overall LR (LR alone and ER+LR) risk was significantly higher in the ER with ExPV-trigger group than in ER without ExPV-trigger or no ER groups (Log-rank p<0.001). The rhythm outcome of the second procedure did not differ between ER+LR and LR alone groups (Log-rank p=0.160), but was worse in the ER+LR ExPV-trigger than in ER+LR without ExPV-trigger or LR alone groups (Log-rank p=0.005).
Conclusion
ER was independently associated with LR after de novo AFCA. ExPV-trigger played crucial roles in ER and LR after de novo AFCA and worse rhythm outcome after redo AFCA.
Funding Acknowledgement
Type of funding sources: None.
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Shin SY, Jung M, Byeon K, Kang K, Park Y, Hwang Y, Lee S, Jin E, Roh S, Kim J, Ahn J, Lee S, Choi E, Ahn M, Lip G. External validation of the biomarker based ABCD score in atrial fibrillation patients with a non gender CHA2DS2 VASc score 0 to 1, A Korean multicenter retrospective cohort. Eur Heart J 2022. [DOI: 10.1093/eurheartj/ehac544.545] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Abstract
Background
Patients with low to intermediate risk atrial fibrillation (AF), defined as non-gender CHA2DS2-VASc score of 0–1, are still at risk of stroke. This study verified the usefulness of ABCD score (Age [≥60 years], B-type natriuretic peptide [BNP] or N-terminal pro-BNP [≥300 pg/ml], Creatinine clearance [<50 ml/min/1.73 m2], and Dimension of the left atrium [≥45 mm]) for stroke risk stratification in non-gender CHA2DS2-VASc score 0–1.
Methods
This multi-center cohort study retrospectively analyzed AF patients with non-gender CHA2DS2-VASc score 0–1. The primary endpoint was the incidence of stroke with or without anti-thrombotic treatment (ATT). An ABCD score was also validated.
Results
Overall, 2694 patients (56.3±9.5 years; female, 726 [26.9%]) were followed-up for 4.0±2.8 years. The overall stroke rate was 0.84/100 person-years (P-Y), stratified as follows: 0.46/100P-Y for an ABCD score 0; 1.02/100P-Y for an ABCD score≥1. The ABCD score was superior to the non-gender CHA2DS2-VASc score in stroke risk stratification (C-index=0.618, P=0.015; net reclassification improvement=0.576, P=0.040; integrated differential improvement=0.033, P=0.066). ATT was prescribed in 2353 patients (86.5%), and the stroke rate was significantly lower in patients receiving non-vitamin K antagonist oral anticoagulant (NOAC) therapy and an ABCD score≥1 than in those without ATT (0.44/100P-Y versus 1.55/100 P-Y; hazard ratio=0.26, 95% confidence interval 0.11–0.63, P=0.003).
Conclusion
The biomarker-based ABCD score demonstrated improved stroke risk stratification in AF patients with non-gender CHA2DS2-VASc score 0–1. Furthermore, NOAC with an ABCD score≥1 was associated with significantly lower stroke rate in AF patients with a non-gender CHA2DS2-VASc score 0–1.
Funding Acknowledgement
Type of funding sources: Public grant(s) – National budget only. Main funding source(s): Korean Disease Control and Prevention Agency
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Lenz M, Fisher A, Ody A, Park Y, Musumeci P. Electro-optic sampling based characterization of broad-band high efficiency THz-FEL. OPTICS EXPRESS 2022; 30:33804-33816. [PMID: 36242407 DOI: 10.1364/oe.467677] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/22/2022] [Accepted: 08/03/2022] [Indexed: 06/16/2023]
Abstract
Extremely high beam-to-radiation energy conversion efficiencies can be obtained in a THz FEL using a strongly tapered helical undulator at the zero-slippage resonant condition, where a circular waveguide is used to match the radiation group velocity to the electron beam longitudinal velocity. In this paper we report on the first electro-optic sampling (EOS) based measurements of the broadband THz FEL radiation pulses emitted in this regime. The THz field waveforms are reconstructed in the spatial and temporal domains using multi-shot and single-shot EOS schemes respectively. The measurements are performed varying the input electron beam energy in the undulator providing insights on the complex dynamics in a waveguide FEL.
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Lee E, Lee Y, Min HS, Park SY, Lee H, Park J, Park Y. 921P Application of machine learning algorithm for cytological diagnosis of thyroid cancer. Ann Oncol 2022. [DOI: 10.1016/j.annonc.2022.07.1046] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
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Pandey S, Krause E, DeRose J, MacCrann N, Jain B, Crocce M, Blazek J, Choi A, Huang H, To C, Fang X, Elvin-Poole J, Prat J, Porredon A, Secco L, Rodriguez-Monroy M, Weaverdyck N, Park Y, Raveri M, Rozo E, Rykoff E, Bernstein G, Sánchez C, Jarvis M, Troxel M, Zacharegkas G, Chang C, Alarcon A, Alves O, Amon A, Andrade-Oliveira F, Baxter E, Bechtol K, Becker M, Camacho H, Campos A, Carnero Rosell A, Carrasco Kind M, Cawthon R, Chen R, Chintalapati P, Davis C, Di Valentino E, Diehl H, Dodelson S, Doux C, Drlica-Wagner A, Eckert K, Eifler T, Elsner F, Everett S, Farahi A, Ferté A, Fosalba P, Friedrich O, Gatti M, Giannini G, Gruen D, Gruendl R, Harrison I, Hartley W, Huff E, Huterer D, Kovacs A, Leget P, McCullough J, Muir J, Myles J, Navarro-Alsina A, Omori Y, Rollins R, Roodman A, Rosenfeld R, Sevilla-Noarbe I, Sheldon E, Shin T, Troja A, Tutusaus I, Varga T, Wechsler R, Yanny B, Yin B, Zhang Y, Zuntz J, Abbott T, Aguena M, Allam S, Annis J, Bacon D, Bertin E, Brooks D, Burke D, Carretero J, Conselice C, Costanzi M, da Costa L, Pereira M, De Vicente J, Dietrich J, Doel P, Evrard A, Ferrero I, Flaugher B, Frieman J, García-Bellido J, Gaztanaga E, Gerdes D, Giannantonio T, Gschwend J, Gutierrez G, Hinton S, Hollowood D, Honscheid K, James D, Jeltema T, Kuehn K, Kuropatkin N, Lahav O, Lima M, Lin H, Maia M, Marshall J, Melchior P, Menanteau F, Miller C, Miquel R, Mohr J, Morgan R, Palmese A, Paz-Chinchón F, Petravick D, Pieres A, Plazas Malagón A, Sanchez E, Scarpine V, Serrano S, Smith M, Soares-Santos M, Suchyta E, Tarle G, Thomas D, Weller J. Dark Energy Survey year 3 results: Constraints on cosmological parameters and galaxy-bias models from galaxy clustering and galaxy-galaxy lensing using the redMaGiC sample. Int J Clin Exp Med 2022. [DOI: 10.1103/physrevd.106.043520] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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Sung M, Choi HJ, Lee MH, Lee JY, Kim HB, Ahn YM, Kim JK, Kim HY, Jung SS, Kim M, Kang EK, Yang EA, Lee SJ, Park Y, Seo JH, Lee E, Yang ES, Park KS, Shin M, Chung HL, Jang YY, Choi BS, Kim H, Jung JA, Yu ST, Roh EJ, Lee ES, Kim JT, Kim BS, Hwang YH, Sol IS, Yang HJ, Han MY, Yew HY, Cho HM, Kim HY, Hn YH, Im DH, Hwang K, Yoo J, Jung SO, Jeon YH, Shim JY, Chung EH. Regional and annual patterns in respiratory virus co-infection etiologies and antibiotic prescriptions for pediatric mycoplasma pneumoniae pneumonia. EUROPEAN REVIEW FOR MEDICAL AND PHARMACOLOGICAL SCIENCES 2022; 26:5844-5856. [PMID: 36066160 DOI: 10.26355/eurrev_202208_29524] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
OBJECTIVE Mycoplasma pneumoniae (M. pneumoniae) pneumonia is the second-most common cause of community-acquired pneumonia (CAP). This study aimed at investigating into the prevalence of macrolide-resistant M. pneumoniae (MRMP) with respiratory virus co-infection and the antibiotic prescriptions in children with CAP in four provinces in Korea, and to assess the variations in the findings across regions and throughout the year. PATIENTS AND METHODS This prospective study was conducted in 29 hospitals in Korea between July 2018 and June 2020. Among the enrolled 1,063 children with CAP, all 451 patients with M. pneumoniae underwent PCR assays of M. pneumoniae and respiratory viruses, and the presence of point mutations of residues 2063 and 2064 was evaluated. RESULTS Gwangju-Honam (88.6%) showed the highest prevalence of MRMP pneumonia, while Daejeon-Chungcheong (71.3%) showed the lowest, although the differences in prevalence were not significant (p=0.074). Co-infection of M. pneumoniae pneumonia and respiratory virus was observed in 206 patients (45.4%), and rhinovirus co-infection (101 children; 22.2%) was the most frequent. The prevalence of MRMP pneumonia with respiratory virus co-infection and the antibiotic prescriptions differed significantly among the four provinces (p < 0.05). The monthly rate of MRMP pneumonia cases among all cases of M. pneumoniae pneumonia and tetracycline or quinolone prescriptions did not differ significantly among the four regions (trend p > 0.05) during the study period. CONCLUSIONS The prevalence of M. pneumoniae pneumonia with virus co-infection and antibiotic prescriptions could differ according to region, although the MRMP pneumonia rate showed no difference within Korea.
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Nam B, Bang SY, Park Y, Jo S, Shin JH, Lee S, Joo KB, Kim TH. POS0030 CLINICAL AND GENETIC FACTORS ASSOCIATED WITH RADIOGRAPHIC PROGRESSION IN PATIENTS WITH ANKYLOSING SPONDYLITIS. Ann Rheum Dis 2022. [DOI: 10.1136/annrheumdis-2022-eular.3104] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
BackgroundAnkylosing spondylitis (AS) is a heritable inflammatory disease eventually leading to spinal fusion 1. Severity of structural damage is highly variable, some patients develop almost no change in spinal structure for long disease duration, whereas others have total ankylosis even in the early stage of disease.ObjectivesTo identify clinical and genetic factors associated with severe radiographic damage in patients with AS.MethodsWe newly generated genome-wide variant data (833K, KoreanChip) of 444 AS patients. The severity of radiographic damage was assessed using the modified Stoke Ankylosing Spondylitis Spinal Score (mSASSS). To identify clinical and genetic factors associated with severe radiographic damage, multiple linear regression analyses were performed. Human AS osteoprogenitor cells were used for functional validation. Pathway analysis was also conducted.ResultsA total 444 AS patients (male 90.3%) were enrolled. The median mSASSS at baseline was 7.7 (5.5-16.8). The patients were observed for 9.6 (7.9-11.3) years. Within this period, the median mSASSS score increased to 14.0 (7.0-36.8). The most influential clinical factor of final mSASSS was baseline mSASSS (β = 0.818, p < 0.001). Peripheral joint involvement was associated with decreased possibility of severe radiographic damage (β = -0.221, p < 0.001). Eye involvement, longer follow up duration, and increased age at enrollment were associated with increased final mSASSS (β = 0.165, p < 0.001; β = 0.039, p < 0.001; β = 0.010, p = 0.002, respectively). Ryanodine receptor 3 (RYR3) gene was associated with severe radiographic damage (β = 1.105, p = 1.97x10-06). Treatment with Rhodamine B, a ligand of RYR3, induced extracellular matrix mineralization of AS osteoprogenitors in vitro. For the pathway analysis, PI3K-Akt signaling pathway and focal adhesion pathway were associated with severe radiographic damage in AS.ConclusionThis study identified clinical and genetic factors that contributed to better understanding of the pathogenesis and biology associated with radiographic damage in AS.References[1]Li Z, Brown MA. Progress of genome-wide association studies of ankylosing spondylitis. Clinical & Translational Immunology. 2017;6(12):e163.Disclosure of InterestsNone declared
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Shin JI, Kim SE, Lee MH, Kim MS, Lee SW, Park S, Shin YH, Yang JW, Song JM, Moon SY, Kim SY, Park Y, Suh DI, Yang JM, Cho SH, Jin HY, Hong SH, Won HH, Kronbichler A, Koyanagi A, Jacob L, Hwang J, Tizaoui K, Lee KH, Kim JH, Yon DK, Smith L. COVID-19 susceptibility and clinical outcomes in autoimmune inflammatory rheumatic diseases (AIRDs): a systematic review and meta-analysis. EUROPEAN REVIEW FOR MEDICAL AND PHARMACOLOGICAL SCIENCES 2022; 26:3760-3770. [PMID: 35647859 DOI: 10.26355/eurrev_202205_28873] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
OBJECTIVE This meta-analysis aims to assess the susceptibility to and clinical outcomes of COVID-19 in autoimmune inflammatory rheumatic disease (AIRD) and following AIRD drug use. MATERIALS AND METHODS We included observational and case-controlled studies assessing susceptibility and clinical outcomes of COVID-19 in patients with AIRD as well as the clinical outcomes of COVID-19 with or without use of steroids and conventional synthetic disease-modifying antirheumatic drugs (csDMARDs). RESULTS Meta-analysis including three studies showed that patients with AIRD are not more susceptible to COVID-19 compared to patients without AIRD or the general population (OR: 1.11, 95% CI: 0.58 to 2.14). Incidence of severe outcomes of COVID-19 (OR: 1.34, 95% CI: 0.76 to 2.35) and COVID-19 related death (OR: 1.21, 95% CI: 0.68 to 2.16) also did not show significant difference. The clinical outcomes of COVID-19 among AIRD patients with and without csDMARD or steroid showed that both use of steroid (OR: 1.69, 95% CI: 0.96 to 2.98) or csDMARD (OR: 1.35, 95% CI: 0.63 to 3.08) had no effect on clinical outcomes of COVID-19. CONCLUSIONS AIRD does not increase susceptibility to COVID-19, not affecting the clinical outcome of COVID-19. Similarly, the use of steroids or csDMARDs for AIRD does not worsen the clinical outcome.
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Kim N, Shin Y, Park Y, Park H. Ventricular Assist Device Implantation for Infant End-Stage Heart Failure - A Single-Center Experience. J Heart Lung Transplant 2022. [DOI: 10.1016/j.healun.2022.01.1315] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022] Open
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Kim SS, Kim HJ, Park KJ, Kang SB, Park Y, Han SG, Kim M, Song YH, Kim DS. Metabolomic Profiling of Citrus unshiu during Different Stages of Fruit Development. PLANTS 2022; 11:plants11070967. [PMID: 35406947 PMCID: PMC9002680 DOI: 10.3390/plants11070967] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/18/2022] [Revised: 03/30/2022] [Accepted: 03/31/2022] [Indexed: 12/22/2022]
Abstract
Citrus fruits undergo significant metabolic profile changes during their development process. However, limited information is available on the changes in the metabolites of Citrus unshiu during fruit development. Here, we analyzed the total phenolic content (TPC), total carotenoid content (TCC), antioxidant activity, and metabolite profiles in C. unshiu fruit flesh during different stages of fruit development and evaluated their correlations. The TPC and antioxidant activity significantly decreased during fruit development, whereas the TCC increased. The metabolite profiles, including sugars, acidic compounds, amino acids, flavonoids, limonoids, carotenoids, and volatile compounds (mono- and sesquiterpenes), in C. unshiu fruit flesh also changed significantly, and a citrus metabolomic pathway related to fruit development was proposed. Based on the data, C. unshiu fruit development was classified into three groups: Group 1 (Aug. 1), Group 2 (Aug. 31 and Sep. 14), and Group 3 (Oct. 15 and Nov. 16). Although citrus peel was not analyzed and the sensory and functional qualities during fruit development were not investigated, the results of this study will help in our understanding of the changes in chemical profile during citrus fruit development. This can provide vital information for various applications in the C. unshiu industry.
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Abbott T, Aguena M, Alarcon A, Allam S, Alves O, Amon A, Andrade-Oliveira F, Annis J, Avila S, Bacon D, Baxter E, Bechtol K, Becker M, Bernstein G, Bhargava S, Birrer S, Blazek J, Brandao-Souza A, Bridle S, Brooks D, Buckley-Geer E, Burke D, Camacho H, Campos A, Carnero Rosell A, Carrasco Kind M, Carretero J, Castander F, Cawthon R, Chang C, Chen A, Chen R, Choi A, Conselice C, Cordero J, Costanzi M, Crocce M, da Costa L, da Silva Pereira M, Davis C, Davis T, De Vicente J, DeRose J, Desai S, Di Valentino E, Diehl H, Dietrich J, Dodelson S, Doel P, Doux C, Drlica-Wagner A, Eckert K, Eifler T, Elsner F, Elvin-Poole J, Everett S, Evrard A, Fang X, Farahi A, Fernandez E, Ferrero I, Ferté A, Fosalba P, Friedrich O, Frieman J, García-Bellido J, Gatti M, Gaztanaga E, Gerdes D, Giannantonio T, Giannini G, Gruen D, Gruendl R, Gschwend J, Gutierrez G, Harrison I, Hartley W, Herner K, Hinton S, Hollowood D, Honscheid K, Hoyle B, Huff E, Huterer D, Jain B, James D, Jarvis M, Jeffrey N, Jeltema T, Kovacs A, Krause E, Kron R, Kuehn K, Kuropatkin N, Lahav O, Leget PF, Lemos P, Liddle A, Lidman C, Lima M, Lin H, MacCrann N, Maia M, Marshall J, Martini P, McCullough J, Melchior P, Mena-Fernández J, Menanteau F, Miquel R, Mohr J, Morgan R, Muir J, Myles J, Nadathur S, Navarro-Alsina A, Nichol R, Ogando R, Omori Y, Palmese A, Pandey S, Park Y, Paz-Chinchón F, Petravick D, Pieres A, Plazas Malagón A, Porredon A, Prat J, Raveri M, Rodriguez-Monroy M, Rollins R, Romer A, Roodman A, Rosenfeld R, Ross A, Rykoff E, Samuroff S, Sánchez C, Sanchez E, Sanchez J, Sanchez Cid D, Scarpine V, Schubnell M, Scolnic D, Secco L, Serrano S, Sevilla-Noarbe I, Sheldon E, Shin T, Smith M, Soares-Santos M, Suchyta E, Swanson M, Tabbutt M, Tarle G, Thomas D, To C, Troja A, Troxel M, Tucker D, Tutusaus I, Varga T, Walker A, Weaverdyck N, Wechsler R, Weller J, Yanny B, Yin B, Zhang Y, Zuntz J. Dark Energy Survey Year 3 results: Cosmological constraints from galaxy clustering and weak lensing. Int J Clin Exp Med 2022. [DOI: 10.1103/physrevd.105.023520] [Citation(s) in RCA: 106] [Impact Index Per Article: 53.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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Amon A, Gruen D, Troxel M, MacCrann N, Dodelson S, Choi A, Doux C, Secco L, Samuroff S, Krause E, Cordero J, Myles J, DeRose J, Wechsler R, Gatti M, Navarro-Alsina A, Bernstein G, Jain B, Blazek J, Alarcon A, Ferté A, Lemos P, Raveri M, Campos A, Prat J, Sánchez C, Jarvis M, Alves O, Andrade-Oliveira F, Baxter E, Bechtol K, Becker M, Bridle S, Camacho H, Carnero Rosell A, Carrasco Kind M, Cawthon R, Chang C, Chen R, Chintalapati P, Crocce M, Davis C, Diehl H, Drlica-Wagner A, Eckert K, Eifler T, Elvin-Poole J, Everett S, Fang X, Fosalba P, Friedrich O, Gaztanaga E, Giannini G, Gruendl R, Harrison I, Hartley W, Herner K, Huang H, Huff E, Huterer D, Kuropatkin N, Leget P, Liddle A, McCullough J, Muir J, Pandey S, Park Y, Porredon A, Refregier A, Rollins R, Roodman A, Rosenfeld R, Ross A, Rykoff E, Sanchez J, Sevilla-Noarbe I, Sheldon E, Shin T, Troja A, Tutusaus I, Tutusaus I, Varga T, Weaverdyck N, Yanny B, Yin B, Zhang Y, Zuntz J, Aguena M, Allam S, Annis J, Bacon D, Bertin E, Bhargava S, Brooks D, Buckley-Geer E, Burke D, Carretero J, Costanzi M, da Costa L, Pereira M, De Vicente J, Desai S, Dietrich J, Doel P, Ferrero I, Flaugher B, Frieman J, García-Bellido J, Gaztanaga E, Gerdes D, Giannantonio T, Gschwend J, Gutierrez G, Hinton S, Hollowood D, Honscheid K, Hoyle B, James D, Kron R, Kuehn K, Lahav O, Lima M, Lin H, Maia M, Marshall J, Martini P, Melchior P, Menanteau F, Miquel R, Mohr J, Morgan R, Ogando R, Palmese A, Paz-Chinchón F, Petravick D, Pieres A, Romer A, Sanchez E, Scarpine V, Schubnell M, Serrano S, Smith M, Soares-Santos M, Tarle G, Thomas D, To C, Weller J. Dark Energy Survey Year 3 results: Cosmology from cosmic shear and robustness to data calibration. Int J Clin Exp Med 2022. [DOI: 10.1103/physrevd.105.023514] [Citation(s) in RCA: 42] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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Park J, Park I, Hwang J, Bae W, Lee G, Kim L, Choi Y, Jung H, Kim M, Hong S, Lee H, Yu E, Lee A, Park Y, Chae Y. P21.02 Real-World Concordance Between Tumor Mutational Burden From Blood and Tissue in Lung Cancer and Other Cancers. J Thorac Oncol 2021. [DOI: 10.1016/j.jtho.2021.08.354] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Kim JG, Park Y, Lee J, Ju JH, Kim WU, Park SH, Kwok SK. Re-evaluation of the prognostic significance of oropharyngeal dysphagia in idiopathic inflammatory myopathies. Scand J Rheumatol 2021; 51:402-410. [PMID: 34470549 DOI: 10.1080/03009742.2021.1941243] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
OBJECTIVE To investigate the prognostic significance of videofluorographic swallowing study (VFSS)-confirmed oropharyngeal dysphagia in idiopathic inflammatory myopathies (IIMs). METHOD We reviewed the medical records of patients who were diagnosed with IIM between 2009 and 2020 at Seoul St Mary's Hospital. All oropharyngeal dysphagia cases were limited to VFSS-confirmed dysphagia found during the initial diagnostic work-up for IIM. We described the findings on VFSS and the course of the dysphagic symptoms. Logistic regression and survival analyses were performed to evaluate the risk of pneumonia and mortality, respectively. RESULTS We found 88 patients with IIM who met the criteria. Among them, 17 patients (19%) had oropharyngeal dysphagia. Except for two cases lost to follow-up and one deceased case, all of the patients with dysphagia (14 of 14) had swallowing function restored within 6 months. The risk of pneumonia within 3 months from the diagnosis of IIM was significant [odds ratio = 4.49, 95% confidence interval (CI) 1.07-18.88]. The median follow-up duration was 34 and 27 months for the groups without and with dysphagia, respectively. The survival analysis failed to demonstrate that the presence of oropharyngeal dysphagia increased the risk of death (hazard ratio = 0.77, 95% CI: 0.085-7.00). CONCLUSIONS Oropharyngeal dysphagia found at the initial diagnosis of IIM improved within 3-6 months in nearly all cases. Furthermore, IIM patients who had oropharyngeal dysphagia at the initial diagnosis of IIM were not likely to have shorter survival, even if the risk of pneumonia was increased in the short term.
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Kim M, Kang SB, Yun SK, Kim SS, Joa J, Park Y. Influence of Excessively High Temperatures on the Fruit Growth and Physicochemical Properties of Shiranuhi Mandarin in Plastic-Film Greenhouse Cultivation. PLANTS 2021; 10:plants10081525. [PMID: 34451570 PMCID: PMC8400413 DOI: 10.3390/plants10081525] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/22/2021] [Revised: 07/16/2021] [Accepted: 07/20/2021] [Indexed: 11/16/2022]
Abstract
Excessively high temperatures frequently occur between spring and late fall because of global warming. These problems have a negative effect on fruit production capacity and actual production. However, there is a lack of information on the effects of excessively high temperatures (exceeding the optimum range) on the growth of citrus fruits. Thus, the objective of this present study was to determine the effects of excessively high temperatures on Shiranuhi mandarin fruit growth, physiological characteristics, amino acid contents, and antioxidant activity. In this study, five different high-temperature treatments were applied: normal atmospheric temperature (Con), Con + 4 °C during the day (D4), Con + 8 °C during the day (D8), Con + 4 °C during the night (N4), and Con + 4 °C during the day and night (DN4). The total soluble sugar contents were lowest in D8, and the acid content under DN4 was significantly lower than that under Con. Rising temperature during the day or night affected the colouration of the rind, and the free sugar composition ratio under D8 was lower than those under the other treatments. The total amino acid content tended to increase with increasing temperature during the day. The total flavonoid and total phenolic contents in the peel were significantly higher under Con and N4 than the other treatments and in the pulp under Con.
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Jung YH, Kim J, Park CY, Park HS, Park Y. Improving Restoration Efficiency by Modeling Optimal Sowing Periods: A Case Study of Two Native Plants and Restoration of a Site. PLANTS 2021; 10:plants10081506. [PMID: 34451551 PMCID: PMC8399261 DOI: 10.3390/plants10081506] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/08/2021] [Revised: 07/16/2021] [Accepted: 07/20/2021] [Indexed: 11/28/2022]
Abstract
Efficient ecological restoration techniques are urgently required to minimize seed consumption and labor requirements. Here, we determined the optimal sowing period for two native species, Agastache rugosa (Korean mint) and Astilbe rubra (False goat’s beard), toward their use for ecological restoration of Mt. Gariwang, a site damaged by the 2018 PyeongChang Winter Olympics’ activities. We investigated the effects of daily mean temperature (DMT) and daily temperature range (DTR) on seed germination percentage, which decreased for both species with decreasing DTR and was optimal at a DMT of 25 °C and 17.5 °C for A. rugosa and A. rubra, respectively. We developed a single multiple regression equation that evaluated the effects of DMT and DTR simultaneously and determined the temperature scores when the germination percentage reached 85%. We applied the developed multiple regression equation by analyzing the temperature data of the restoration site. In addition, precipitation data analysis was added to set the optimal sowing period. As a result, the optimal sowing period for the two species was determined from May 21 to the end of May. This makes it possible to minimize seed consumption and labor requirements when sowing seeds. The model developed herein will be useful not only to guide the ecological restoration of Mt. Gariwang, but also for other regions using site-specific temperature data.
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Chang SH, Lee JS, Lee JS, Park CH, Kim MU, Ha YJ, Kang EH, Lee YA, Park Y, Choe JY, Lee EY. POS0555 THE NATURAL COURSE OF RHEUMATOID ARTHRITIS-ASSOCIATED INTERSTITIAL LUNG DISEASE FOCUSING ON LUNG PHYSIOLOGY: A PROSPECTIVE OBSERVATIONAL COHORT STUDY (PART 1). Ann Rheum Dis 2021. [DOI: 10.1136/annrheumdis-2021-eular.2810] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
Background:Interstitial lung disease (ILD) is a severe extra-articular manifestation of rheumatoid arthritis (RA). However, there are few prospective studies for the natural course of lung physiology in most patients with RA-ILD.Objectives:To assess the natural course of lung physiology of RA-ILD and the relation between arthritis activity and pulmonary physiology in patients with RA-ILD.Methods:The KOrean Rheumatoid Arthritis ILd (KORAIL) cohort is the prospective observational cohort and aims to investigate the natural course of RAILD. Based on either 1987 or 2020 ACR criteria, patients diagnosed with RA and ILD based on CT scan were recruited from six tertiary medical hospitals in Korea since January 2015. RA disease activity was assessed using swollen and tender joint count by treating physician, inflammatory markers including CRP and ESR, and patient’s global assessment annually. Pulmonary function tests (PFT), including FVC, FEV1, DLCO, and chest CT scan, were conducted annually.Results:We analyzed 163 patients at baseline (V1), 141 at 1-year (V2), 122 at 2-year (V3), and 88 at 3-year follow-up (V4). The mean (±SD) duration since RA diagnosis and since ILD diagnosis was 7.6±8.0 and 2.7±3.1 years, respectively. The female to male ratio was about 2:1, and 58.9% of patients (n=96) were 65 years old or older. Only two patients were negative for RF and anti-CCP; 98.7% of patients (n=161/163) were positive for RF (n=143, 87.7%) or anti-CCP antibody (n=154, 94.5%). At enrollment, one-hundred-nine patients (66.9%) had FVC ≥80 % of predicted. Twenty-five patients (15.3%) showed FEV1/FVC≥0.7, of which seventeen patients, only ten percent of a total cohort (10.4%), had FVC ≥80% of predicted, which corresponds to the obstructive pattern. Proportion of patients showed a ≥10-point decline from the enrollment in FVC of the predicted value were around 10% at every year (Table 1). The proportion of patients with a relative decline of ≥10% from the enrollment in FVC predicted was increased every year because of cumulation. The proportion of patients with a relative decline of ≥10% from the previous visit in FVC predicted was also around 10-15% every year. Proportions of patients with 55% or more DLco % pred. has been decreased annually; 78.5% (n=128/158) at V1, 72.9% (n=105/139) at V2, 68.7% (n=90/117) at V3, and 56.6% (n=56/85) at V4. Patients with a relative decline of ≥10% from the enrollment in DLco predicted was 38 (27.5 %) at V2 and 37 (31.9%) at V3. Patients with a relative decline of ≥10% from the previous visit in DLco predicted was 29 (25.2%) at V3. Of note, thirty patients (21.7%) showed a relative 10% or more increase from enrollment in DLco predicted at V2, and so did 30 patients (25.9%) at V3.Table 1.The analysis of forced vital capacity (FVC) in KORIL cohortV1 (enrollment)V2 (1-year)V3 (2-year)V4 (3-year)FVC (mL), mean±SD2549.5 ± 743.32479.5±764.42435.8 ± 742.82405.7 ± 731.2FVC % of predicted, mean±SD84.70 ± 16.7484.7±18.184.3 ± 17.683.1 ± 19.1Rate of FVC decline, mL·year-1 (95% CI)--14 (-49, 21)-62 (-104, -21)-A 10-point decline from V1 in predicted FVC value, n (%)-10 (7.1)16 (13.3)8 (9.4)Relative decline of 10% from V1 in predicted FVC value, n (%)-17 (12.1)23 (18.9)17 (19.3)Relative decline of 10% from the previous visit in predicted FVC value, n (%)-17 (12.1)17 (14.2)13 (15.3)Conclusion:Annually, about 10-15% of patients experience a relative ≥10% decline from the previous visit in FVC predicted value in RA-ILD.Acknowledgements:This work was supported by the Korea Health Technology R&D Project through the Korea Health Industry Development Institute, funded by the Ministry of Health and Welfare, Republic of Korea (grant no.HI14C1277).Disclosure of Interests:None declared
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Chang SH, Lee JS, Lee JS, Park CH, Kim MU, Ha YJ, Kang EH, Lee YA, Park Y, Choe JY, Lee EY. POS0563 THE NATURAL COURSE OF RHEUMATOID ARTHRITIS-ASSOCIATED INTERSTITIAL LUNG DISEASE FOCUSING ON LUNG PHYSIOLOGY AND DISEASE ACTIVITY: A PROSPECTIVE COHORT STUDY (PART 2). Ann Rheum Dis 2021. [DOI: 10.1136/annrheumdis-2021-eular.3084] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
Background:Interstitial lung disease (ILD) is a severe extra-articular manifestation of rheumatoid arthritis (RA). However, the effect of RA disease activity on the course of ILD is not yet known.Objectives:To assess the natural course of lung physiology of RA-ILD and the relation between arthritis activity and pulmonary physiology in patients with RA-ILD.Methods:The Korean Rheumatoid Arthritis ILd (KORAIL) cohort is the prospective observational cohort and aims to investigate the natural course of RAILD. Based on either 1987 or 2020 ACR criteria, patients diagnosed with RA and ILD based on CT scan were recruited from six tertiary medical hospitals in Korea since January 2015. RA disease activity was assessed using disease activity (DAS)28-ESR and CRP, annually. Pulmonary function tests (PFT), including FVC and DLCO were conducted annually. According to the transition of DAS28-ESR status, we classified patients into four groups: Group A. persistent remission or low disease activity, Group B. improvement, Group C. worsening, Group D. persistent moderate to high disease activity.Results:We analyzed 143 patients who completed a 2-year follow-up (visit 2) or had died with available PFT results at least twice. Mean duration since RA diagnosis and since ILD diagnosis was 7.6±8.0 and 2.7±3.1 years, respectively. Twenty-four patients were Group A, 33 Group B, 10 Group C and 30 Group D. The mean of FVC (mL) and % of the predicted value in FVC was significantly lower in Group D than in other groups (Table 1). The annual rate of decline in FVC was -42 (95% CI -93~10) mL·year-1 in Group B while -113 (95% CI -206~-21) mL·year-1 in Group C (Figure 1A). The annual decline rate in Group C was further exaggerated in patients with ≥ 80% of FVC predicted (-141, 95% CI -251~-32 mL·year-1). During two years of follow-up, patients ever experienced a relative decline of ≥10% from the enrollment in FVC predicted was 27.3%(n-9/33) in Group B whereas 30.0% (3/10) in Group C. The annual rate of decline in % of DLco predicted value was also the largest in Group C (-4.6 %·year-1, 95%CI -8.5~-0.7), which further exaggerated in patients with ≥ 80% of FVC predicted (-4.9%·year-1, 95 %CI -8.3~-1.5, Figure 1B). Of note, about half of patients with maintained not only low disease activity (Group A) but also moderate to severe disease activity (Group D) improved in DLco at least 10% or more from the enrollment of DLco predicted value (Group A: 54.2%, n=13/24, Group D: 46.7%, n=14/30).Conclusion:RA disease activity is associated with the change of lung physiology in patients with RA-ILD; worsening disease activity associated with a further decrease of annual change in FVC and maintaining low disease activity associated with a further increase of annual change in % of DLco predicted value.Table 1.The analysis of forced vital capacity (FVC) according to disease activity transition group.Group AGroup BGroup CGroup DFVC (mL), mean±SD2810.0±771.12528.8±735.32801.0±952.72048.3±575.7FVC % of predicted, mean±SD87.5±14.586.5±16.693.0±15.677.2±17.3Rate of FVC decline, mL·year-1 (95% CI)-52 (-112,7)-42 (-93,10)-113 (-206, -21)1 (-52, 54)A 10-point decline from V1 in predicted FVC value, n (%)29 (20.3)6 (25.0)6 (18.2)3 (30.0)Relative decline of 10% from the enrollment in predicted FVC value, n (%)35 (24.5)5 (20.8)9 (27.3)3 (30.0)Figure 1.The annual change of pulmonary physiology according to disease activity transition group.Acknowledgements:This work was supported by the Korea Health Technology R&D Project through the Korea Health Industry Development Institute, funded by the Ministry of Health and Welfare, Republic of Korea (grant no.HI14C1277).Disclosure of Interests:None declared
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Chang SH, Lee JS, Lee JS, Park CH, Kim MU, Ha YJ, Kang EH, Lee YA, Park Y, Choe JY, Lee EY. POS0564 THE EFFECT OF ARTHRITIS TREATMENT ON THE COURSE OF RHEUMATOID ARTHRITIS-ASSOCIATED INTERSTITIAL LUNG DISEASE FOCUSING ON BIOLOGIC DMARDS: FROM A PROSPECTIVE COHORT STUDY (PART 5). Ann Rheum Dis 2021. [DOI: 10.1136/annrheumdis-2021-eular.3094] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
Background:Interstitial lung disease (ILD) is a severe extra-articular manifestation of rheumatoid arthritis (RA). However, the effect of RA treatment on the course of ILD is not yet known.Objectives:To assess the effect of RA treatment on the course of lung physiology of RA-focusing on biologic DMARDs treatment.Methods:The Korean Rheumatoid Arthritis ILd (KORAIL) cohort is the prospective observational cohort and aims to investigate the natural course of RAILD. Based on either 1987 or 2020 ACR criteria, patients diagnosed with RA and ILD based on CT scan were recruited from six tertiary medical hospitals in Korea since January 2015. RA disease activity was assessed using disease activity (DAS)28-ESR and CRP, annually. Pulmonary function tests (PFT), including FVC and DLCO were conducted annually. In the current study, we analyzed patients who completed a 2-years follow-up or had died during those terms till October 2020. They classified patients into three groups: patients treated with abatacept ≥24 weeks ever (Group 1), those with other bDAMRDs ≥24 weeks ever (Group 2), and those without any bDMARDs or with bDMARDs <24 weeks (Group 3).Results:Of a total of 125 patients who completed 2-year follow-up, 21 patients were classified as Group 1, 26 for Group 2, and 78 for Group 3. The mean age or the number of patients with ≥ 65-year-old was comparable between groups(Table 1). The mean duration since RA diagnosis was shorter in Group 3, but that since ILD diagnosis was comparable. DAS28-ESR score was comparable between Group 1 and 2 at enrollment, so was in 1-year-follow-up (p=0.75) and 2-year-follow-up (p=1.00). FVC and % of the predicted value in FVC, FEV1, and DLco were also comparable among the three groups at enrollment. The numbers of patients with ≥10-point decline in % of FVC predicted was 2 (10.0%) for Group 1, 1 (3.8%) for Group 2, 3 (3.9%) for Group3 during the first 1-year follow-up, and 3 (15.8%), 3 (11.5%), 10 (14.1%) during the last 1-year follow up. The percent of FVC predicted was 81.6 ± 17.5 %, 87.4 ± 17.9 %, 85.2 ± 17.7 % for Group 1,2 and 3, respectively, at 1-year-follow-up, and 79.5 ± 18.8 %, 89.0 ± 16.8 %, 83.5 ± 17.3 % at 2-year-follow-up. (Figure 1A). The percent of DLco predicted was 75.5 ± 23.4 %, 66.7 ± 18.1 %, 67.5 ± 16.7 % for Group 1,2 and 3, respectively, at 1-year-follow-up, and 74.0 ± 23.7 %, 69.1 ± 18.9 %, 67.0 ± 18.5 % at 1-year-follow-up (Figure 1B).Conclusion:Treatment of bDMARDs did not exacerbate FVC than without bDMARDs treatment and mitigated the decline of DLCO compared to without bDMARDs treatment during 2-year-follow-up.Table 1.Clinical characteristics at enrollment (V1)TotalGroup 1.Group 2.Group 3.PN125212678Age at enrollment65.9±8.266.0±8.863.9±8.066.6±8.10.3465, n (%)72 (57.6)13 (61.9)11 (42.3)48 (61.5)0.21Female, n (%)89 (71.2)16 (76.2)17 (65.4)56 (71.8)0.71RA duration, years8.0±8.49.6±6.69.2±9.07.2±8.60.05ILD duration, years3.0±3.33.8±3.73.8±3.52.5±3.10.10BMI, kg/m224.1±3.123.8±3.724.8±2.923.9±3.00.39Ever-smoker1855180.57RF positive, n (%)111 (88.8)19 (90.5)22 (84.6)70 (89.7)0.72Anti-CCP positive, n (%)119 (95.2)20 (95.2)25 (96.2)74 (94.9)1.00Arthritis activityDAS28-ESR4.0 ± 1.44.1 ± 1.14.3 ± 1.83.8 ± 1.40.60*DAS28-CRP3.1 ± 1.43.2 ± 1.23.4 ± 1.63.0 ± 1.40.76*HAQ-DI0.70 ± 0.760.64 ± 0.490.82 ± 0.820.67 ± 0.800.28*Pulmonary function testFVC, ml2522.5 ± 765.42406.2 ± 772.62617.3 ± 965.22522.2 ± 692.30.65FVC, % of pred.84.6 ± 16.980.9 ± 17.786.12 ± 17.8285.08 ± 16.50.53FEV1, % of pred.92.4 ± 21.492.0 ± 24.890.6 ± 22.193.0 ± 20.40.88DLco, % of pred.71.5 ± 19.772.3 ± 26.769.1 ± 16.472.0 ± 18.70.80Figure 1.Acknowledgements:This research was supported by Bristol Myers Squibb Inc.Disclosure of Interests:Sung Hae Chang: None declared, Ji Sung Lee: None declared, Jeong Seok Lee: None declared, Chan Ho Park: None declared, Min Uk Kim: None declared, You-Jung Ha: None declared, Eun Ha Kang: None declared, Yeon Ah Lee: None declared, Yongbeom Park: None declared, Jung-Yoon Choe: None declared, Eun Young Lee Grant/research support from: Bristol Myers Squibb Inc.
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