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S. Ra · SciRah

Researcher profile · Semantic Scholar

S. Ra

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S. Ra — researcher profile on SciRah

h-index: 23
Works: 136
Citations: 1,991

Most-cited papers

Quercetin Prevents LPS-Induced Oxidative Stress and Inflammation by Modulating NOX2/ROS/NF-kB in Lung Epithelial Cells
O. Sul, S. Ra
2021Molecules383 citations Open access
Semantic Scholar
Population-based prevalence of bronchiectasis and associated comorbidities in South Korea
Hayoung Choi, Bumhee Yang, Hyewon Nam, D. Kyoung +10 more
2019European Respiratory Journal95 citations Open access
Semantic Scholar
Increased mortality in patients with non cystic fibrosis bronchiectasis with respiratory comorbidities
Hayoung Choi, Bumhee Yang, Y. Kim, S. Sin +15 more
2021Scientific Reports51 citations Open access
Semantic Scholar
Serum IgG subclass levels and risk of exacerbations and hospitalizations in patients with COPD
F. Leitão, S. Ra, A. Mattman, R. Schellenberg +12 more
2018Respiratory Research42 citations Open access
Semantic Scholar
Non–Cystic Fibrosis Bronchiectasis Increases the Risk of Lung Cancer Independent of Smoking Status
Hayoung Choi, H. Park, K. Han, Juhwan Yoo +13 more
2022Annals of the American Thoracic Society40 citations Open access
Semantic Scholar
Effects of Inhaled Corticosteroid/long-acting beta-2 Agonist Combination on the Airway Microbiome of Patients with COPD: A Randomized Controlled Trial (DISARM).
F. Leitão, H. Takiguchi, K. Akata, S. Ra +14 more
2021American Journal of Respiratory and Critical Care Medicine38 citations
Semantic Scholar
KMBARC registry: protocol for a multicentre observational cohort study on non-cystic fibrosis bronchiectasis in Korea
H. Lee, Hayoung Choi, Y. Sim, Shinhee Park +28 more
2020BMJ Open32 citations Open access
Semantic Scholar
Favorable longitudinal change of lung function in patients with asthma-COPD overlap from a COPD cohort
H. Park, Suh-Young Lee, D. Kang, Juhee Cho +9 more
2018Respiratory Research32 citations Open access
Semantic Scholar
Association of Lung Function Genes with Chronic Obstructive Pulmonary Disease
W. Kim, M. Lim, Yoonki Hong, E. Silverman +11 more
2014Lung31 citations
Semantic Scholar
Impact of initiatinG bioLogics In patients with severe asThma on long-Term OCS or frEquent Rescue steroids (GLITTER): data from the International Severe Asthma Registry.
Wen-Jia Chen, Trung Nghia Tran, M. Sadatsafavi, R. Murray +61 more
2023Journal of Allergy and Clinical Immunology: In Practice30 citations Open access
Semantic Scholar
GSPE Protects against Bleomycin-Induced Pulmonary Fibrosis in Mice via Ameliorating Epithelial Apoptosis through Inhibition of Oxidative Stress
O. Sul, Jin Hyoung Kim, Taehoon Lee, K. Seo +7 more
2022Oxidative Medicine and Cellular Longevity30 citations Open access
Semantic Scholar
Stronger correlation of peak oxygen uptake with distance of incremental shuttle walk test than 6-min walk test in patients with COPD: a systematic review and meta-analysis
Gang-Seok Chae, E. Ko, S. Lee, Hyun Jung Kim +3 more
2021BMC Pulmonary Medicine29 citations Open access
Semantic Scholar
Adherence to the GOLD Guideline in COPD Management of South Korea: Findings from KOCOSS Study 2011–2018
Tae-Ok Kim, H. Shin, Yu-Il Kim, C. Rhee +7 more
2019Chonnam medical journal27 citations Open access
Semantic Scholar
Elucidation of Bacterial Pneumonia-Causing Pathogens in Patients with Respiratory Viral Infection
H. Jung, B. Kang, S. Ra, K. Seo +8 more
2017Tuberculosis and Respiratory Diseases26 citations Open access
Semantic Scholar
Clinical Characteristics of Patients with Post-Tuberculosis Bronchiectasis: Findings from the KMBARC Registry
Hayoung Choi, H. Lee, S. Ra, Hyun Kuk Kim +5 more
2021Journal of Clinical Medicine25 citations Open access
Semantic Scholar
Relationship of Absolute Telomere Length With Quality of Life, Exacerbations, and Mortality in COPD
Minhee Jin, Eun Chong Lee, S. Ra, N. Fishbane +13 more
2018Chest25 citations
Semantic Scholar
Effects of sex and chronic cigarette smoke exposure on the mouse cecal microbiome
A. Tam, F. Leitão, S. Ra, J. Yang +4 more
2020PLoS ONE24 citations Open access
Semantic Scholar
CAT Score and SGRQ Definitions of Chronic Bronchitis as an Alternative to the Classical Definition
Joon Young Choi, H. Yoon, K. Shin, So-Young Park +6 more
2019International Journal of COPD24 citations Open access
Semantic Scholar
A Double-Blind, Randomized, Placebo-Controlled, Phase II Clinical Study To Evaluate the Efficacy and Safety of Camostat Mesylate (DWJ1248) in Adult Patients with Mild to Moderate COVID-19
Yeon-Sook Kim, Seng-Ho Jeon, Junghee Kim, J. Koh +30 more
2022Antimicrobial Agents and Chemotherapy22 citations Open access
Semantic Scholar
Increased Incidence and Associated Risk Factors of Aspergillosis in Patients with Bronchiectasis
Bumhee Yang, Taehee Kim, Jiin Ryu, H. Park +10 more
2021Journal of Personalized Medicine22 citations Open access
Semantic Scholar
Impact of Bronchiectasis on incident NTM pulmonary disease: A 10-Year national cohort study.
Bumhee Yang, J. Ryu, Taehee Kim, Suk-Jo Yong +16 more
2020Chest22 citations Open access
Semantic Scholar
Asthma-COPD Overlap Shows Favorable Clinical Outcomes Compared to Pure COPD in a Korean COPD Cohort
H. Park, M. Byun, H. Kim, C. Ahn +6 more
2017Allergy Asthma and Immunology Research22 citations Open access
Semantic Scholar
Characterization of Patients in the International Severe Asthma Registry with High Steroid Exposure Who Did or Did Not Initiate Biologic Therapy
Wen-Jia Chen, M. Sadatsafavi, Trung Nghia Tran, R. Murray +60 more
2022Journal of Asthma and Allergy20 citations Open access
Semantic Scholar
Circulating Tumor Cell Number Is Associated with Primary Tumor Volume in Patients with Lung Adenocarcinoma
B. Kang, S. Ra, Kyusang Lee, Soyeoun Lim +3 more
2019Tuberculosis and Respiratory Diseases20 citations Open access
Semantic Scholar
The impact of life behavior and environment on particulate matter in chronic obstructive pulmonary disease.
Hajeong Kim, Geunjoo Na, Shin-Gu Park, S. Ra +4 more
2021Environmental Research18 citations
Semantic Scholar
Increased hospitalizations and economic burden in COPD with bronchiectasis: a nationwide representative study
Youlim Kim, Kyungjoo Kim, C. Rhee, S. Ra
2022Scientific Reports17 citations Open access
Semantic Scholar
Regional differences of nontuberculous mycobacteria species in Ulsan, Korea.
Mu Yeol Lee, Taehoon Lee, M. Kim, S. Byun +8 more
2014Journal of Thoracic Disease17 citations
Semantic Scholar
GSPE attenuates CSE-induced lung inflammation and emphysema by regulating autophagy via the reactive oxygen species/TFEB signaling pathway.
O. Sul, H. Choi, Jimi Oh, S. Ra
2023Food and Chemical Toxicology16 citations Open access
Semantic Scholar
A Multicenter Study to Identify the Respiratory Pathogens Associated with Exacerbation of Chronic Obstructive Pulmonary Disease in Korea
Hyun Woo Lee, Y. Sim, Ji-Ye Jung, H. Seo +24 more
2021Tuberculosis and Respiratory Diseases16 citations Open access
Semantic Scholar
Risk Factors of Rapid FEV1 Decline in a Real-World Chronic Obstructive Pulmonary Disease Cohort
Hyun Woo Lee, Jung-Kyu Lee, M. Lee, Kyung-Cheol Shin +6 more
2022Respiration15 citations
Semantic Scholar
The Combination of Real-Time PCR and HPLC for the Identification of Non-Tuberculous Mycobacteria
J. S. Park, Jung-In Choi, Ji-Hun Lim, J. Ahn +7 more
2013Annals of Laboratory Medicine13 citations Open access
Semantic Scholar
History of pneumonia is a strong risk factor for chronic obstructive pulmonary disease (COPD) exacerbation in South Korea: the Epidemiologic review and Prospective Observation of COPD and Health in Korea (EPOCH) study.
Y. Hwang, Sang Haak Lee, J. Yoo, B. Jung +25 more
2015Journal of Thoracic Disease12 citations
Semantic Scholar
The Relationship Between Comorbidities and Microbiologic Findings in Patients with Acute Exacerbation of Chronic Obstructive Pulmonary Disease
Hyewon Seo, Y. Sim, K. Min, J. H. Lee +6 more
2022International Journal of COPD11 citations Open access
Semantic Scholar
The Association Between Eosinophil Variability Patterns and the Efficacy of Inhaled Corticosteroids in Stable COPD Patients
Jung-Ki Yoon, Jung-Kyu Lee, Chang-Hoon Lee, Y. Hwang +8 more
2020International Journal of COPD11 citations Open access
Semantic Scholar
Effect of particulate matter exposure on patients with COPD and risk reduction through behavioural interventions: the protocol of a prospective panel study
Shinhee Park, S. Ra, Sung-Yoon Kang, Hwan-Cheol Kim +1 more
2020BMJ Open11 citations Open access
Semantic Scholar
Incidence of bronchiectasis concerning tuberculosis epidemiology and other ecological factors: A Korean National Cohort Study
Hayoung Choi, Jiin Ryu, Youlim Kim, Bumhee Yang +12 more
2020ERJ Open Research11 citations Open access
Semantic Scholar
Use of serology and polymerase chain reaction to detect atypical respiratory pathogens during acute exacerbation of chronic obstructive pulmonary disease
C. Jung, Yeoung Hun Choe, Sang Yeub Lee, W. Kim +6 more
2018The Korean Journal of Internal Medicine11 citations Open access
Semantic Scholar
Heterogeneity of asthma–chronic obstructive pulmonary disease (COPD) overlap from a cohort of patients with severe asthma and COPD
Joon Young Choi, C. Rhee, K. Yoo, K. Jung +5 more
2023Therapeutic Advances in Respiratory Disease10 citations Open access
Semantic Scholar
Gastro-oesophageal reflux disease increases healthcare use and medical costs in patients with bronchiectasis: a Korean nationwide population-based study
J. Yoon, Sang Hyuk Kim, Jiin Ryu, S. Chung +6 more
2021Therapeutic Advances in Gastroenterology10 citations Open access
Semantic Scholar
Respiratory symptoms and health-related quality of life in post-tuberculosis subjects with physician-diagnosed bronchiectasis: a cross-sectional study
Taehee Kim, H. Lee, Y. Sim, Bumhee Yang +10 more
2021Journal of Thoracic Disease10 citations Open access
Semantic Scholar
Large Endobronchial Hamartoma Successfully Resected by Snare Through Flexible Bronchoscopy.
Jin Hyoung Kim, Gyeongmin Jeong, Kyung Hye Park, S. Han +6 more
2015Annals of Thoracic Surgery10 citations
Semantic Scholar
Lifestyle practices that reduce seasonal PM2.5 exposure and their impact on COPD
Hajeong Kim, Jin-Young Huh, Geunjoo Na, Shinhee Park +5 more
2023Scientific Reports9 citations Open access
Semantic Scholar
Developing a Diagnostic Bundle for Bronchiectasis in South Korea: A Modified Delphi Consensus Study
Hayoung Choi, H. Lee, S. Ra, J. Jang +18 more
2021Tuberculosis and Respiratory Diseases9 citations Open access
Semantic Scholar
Exhaled Nitric Oxide in Patients with Stable Chronic Obstructive Pulmonary Disease: Clinical Implications of the Use of Inhaled Corticosteroids
Suk-Jo Yong, Junsu Choe, S. Shin, Hyeon-Kyung Koo +7 more
2019Tuberculosis and Respiratory Diseases9 citations Open access
Semantic Scholar
Sputum bacteriology and clinical response to antibiotics in moderate exacerbation of chronic obstructive pulmonary disease
S. Ra, Yong-Soo Kwon, S. Yoon, C. Jung +6 more
2018Clinical Respiratory Journal9 citations
Semantic Scholar
Prevalence of depression and its associated factors in bronchiectasis: findings from KMBARC registry
Ji-ho Lee, W. Lee, S. Yong, W. Kim +46 more
2021BMC Pulmonary Medicine8 citations Open access
Semantic Scholar
Clinical Importance of Work-Exacerbated Asthma: Findings From a Prospective Asthma Cohort in a Highly Industrialized City in Korea
Woori Jo, K. Seo, H. Jung, C. Park +12 more
2020Allergy Asthma and Immunology Research8 citations Open access
Semantic Scholar
Trends in the Prevalence of Non-tuberculous Mycobacterial Infection in Patients with Non-Cystic Fibrosis Bronchiectasis in South Korea, 2012-2016.
Seung Jun Lee, Hayoung Choi, H. Lee, S. Ra +6 more
2020Chest8 citations
Semantic Scholar
Rapid Establishment of Tracheal Stenosis in Pigs Using Endotracheal Tube Cuff Overpressure and Electrocautery
Jin Hyoung Kim, J. Ahn, Y. Jegal, K. Seo +9 more
2020bioRxiv8 citations Open access
Semantic Scholar
Prescription Status and Clinical Outcomes of Methylxanthines and Leukotriene Receptor Antagonists in Mild-to-Moderate Chronic Obstructive Pulmonary Disease
Jung-Kyu Lee, C. Rhee, Kyungjoo Kim, S. Ra +5 more
2019International Journal of COPD8 citations Open access
Semantic Scholar

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