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Pulmonology
Sex differences in chronic obstructive pulmonary disease characteristics: the Korea National Health and Nutrition Examination Survey 2007–2018
Moon Seong Baek, Haegwang Shin, Kang-Mo Gu, Hae In Jung, Won Young Kim, Jae-Woo Jung, Jong-Wook Shin, Sun-Young Jung, Jae-Yeol Kim
Korean J Intern Med. 2024;39(1):137-147. Published online December 14, 2023
Background/Aims: Chronic obstructive pulmonary disease (COPD) is less prevalent in females than males, but it affects mortality in females. There may be sex differences in the clinical characteristics of COPD.
Methods: We analyzed the Korea National Health and Nutrition Examination Survey dataset f..
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Biomarkers of the relationship of particulate matter exposure with the progression of chronic respiratory diseases
Junghyun Kim, Soo Jie Chung, Woo Jin Kim
Korean J Intern Med. 2024;39(1):25-33. Published online January 1, 2024
A high level of particulate matter (PM) in air is correlated with the onset and development of chronic respiratory diseases. We conducted a systematic literature review, searching the MEDLINE, EMBASE, and Cochrane databases for studies of biomarkers of the effect of PM exposure on chronic respirator..
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Long term management of people with post-tuberculosis lung disease
Wan Seo, Hyung Woo Kim, Ju Sang Kim, Jinsoo Min
Korean J Intern Med. 2024;39(1):7-24. Published online January 1, 2024
Post-tuberculosis lung disease (PTLD) is emerging as a significant area of global interest. As the number of patients surviving tuberculosis (TB) increases, the subsequent long-term repercussions have drawn increased attention due to their profound clinical and socioeconomic impacts. A primary obsta..
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Pulmonology
The serotype-specific prevalence of pneumococci in hospitalized pneumonia patients with COPD: a prospective, multi-center, cohort study
Jae Yeol Kim, Jae-Woo Jung, Min-Jong Kang, Deog Kyeom Kim, Hayoung Choi, Young-Jae Cho, Seung Hun Jang, Chang-Hoon Lee, Yeon Mok Oh, Ji Sook Park
Korean J Intern Med. 2023;38(5):714-724. Published online August 17, 2023
Background/Aims: The overall incidence of pneumococcal pneumonia is declining. However, the change in the pathogenic distribution of community-acquired pneumonia (CAP) in chronic obstructive pulmonary disease (COPD) patients and the serotype specificity of Streptococcus pneumoniae have not be..
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Acute exacerbation of COPD increases the risk of hip fractures: a nested case-control study from the Korea National Health Insurance Service
Kang-Mo Gu, Sang-Won Yoon, Sun-Young Jung, Moon Seong Baek, Won Young Kim, Jae-Woo Jung, Jae-Chol Choi, Jong-Wook Shin, Jae-Yeol Kim, Byoung-Whui Choi, In-Won Park
Korean J Intern Med. 2022;37(3):631-638. Published online February 8, 2022
Background/Aims: Hip fracture and acute exacerbation of chronic obstructive pulmonary disease (AE-COPD) could increase mortality in patients with COPD. There are no data on the relationship between AE-COPD and hip fracture, which may significantly affect the prognosis of patients with COPD. Therefor..
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Prevalence and impact of airway diseases on clinical outcomes in idiopathic pulmonary fibrosis
Heemoon Park, Jaeyoung Cho, Jinwoo Lee, Young Sik Park, Chang-Hoon Lee, Sang-Min Lee, Chul-Gyu Yoo, Young Whan Kim, Sung Koo Han, Sun Mi Choi
Korean J Intern Med. 2022;37(2):387-397. Published online December 7, 2021
Background/Aims: The prevalence and effects of airway diseases, including asthma, eosinophilic bronchitis (EB), chronic obstructive pulmonary disease (COPD), and asthma-COPD overlap (ACO) have not been thoroughly studied in patients with idiopathic pulmonary fibrosis (IPF). This study aimed to evalu..
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Korean physician prescription patterns for home oxygen therapy in chronic obstructive pulmonary disease patients
Youlim Kim, Hwan Il Kim, Ji Young Park, Ji Young Hong, Joo-Hee Kim, Kyung Hoon Min, Chin Kook Rhee, Sunghoon Park, Chang Youl Lee, Seong Yong Lim, Seung Hun Jang, Yong Il Hwang
Korean J Intern Med. 2022;37(1):119-126. Published online August 20, 2021
Background/Aims: Hypoxemia in chronic obstructive pulmonary disease (COPD) leads to reduced ability to exercise, decreased quality of life, and, eventually, increased mortality. Home oxygen therapy in patients with severe COPD reduces distress symptoms and mortality rates. However, there have been fe..
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Eosinophilic endotype of chronic obstructive pulmonary disease: similarities and differences from asthma
Andrew Li, Hiang Ping Chan, Phyllis X.L. Gan, Mei Fong Liew, W.S. Fred Wong, Hui-Fang Lim
Korean J Intern Med. 2021;36(6):1305-1319. Published online October 12, 2021
Approximately 25% to 40% of patients with chronic obstructive pulmonary disease (COPD) have the eosinophilic endotype. It is important to identify this group accurately because they are more symptomatic and are at increased risk for exacerbations and accelerated decline in forced expiratory volume i..
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Recent advances in airway imaging using micro-computed tomography and computed tomography for chronic obstructive pulmonary disease
Naoya Tanabe, Toyohiro Hirai
Korean J Intern Med. 2021;36(6):1294-1304. Published online October 6, 2021
Chronic obstructive pulmonary disease (COPD) is a complex lung disease characterized by a combination of airway disease and emphysema. Emphysema is classified as centrilobular emphysema (CLE), paraseptal emphysema (PSE), or panlobular emphysema (PLE), and airway disease extends from the respiratory,..
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Pulmonology
Patterns of medical care utilization according to environmental factors in asthma and chronic obstructive pulmonary disease patients
Eun-Jung Jo, Min-Hyeok Choi, Chang-Hoon Kim, Kyung-Mi Won, Yoo-Keun Kim, Ju-Hee Jeong, Hye Yeon An, Mi-Kyoung Hwang, Hye-Kyung Park
Korean J Intern Med. 2021;36(5):1146-1156. Published online February 10, 2021
Background/Aims: Weather and air pollution are associated with the exacerbation of respiratory diseases. We investigated patterns of medical care use according to meteorological factors and air pollution in patients with asthma or chronic obstructive pulmonary disease (COPD).
Methods: We analyzed t..
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Clinical impact of long-term change in air trapping on pulmonary function and computed tomography parameters in chronic obstructive pulmonary disease
Jeong Uk Lim, Jae Seung Lee, Ji-Hyun Lee, Sang-Do Lee, Yeon-Mok Oh, Chin Kook Rhee; for the Korean Obstructive Lung Disease (KOLD) Study Group
Korean J Intern Med. 2021;36(3):636-646. Published online November 25, 2020
Background/Aims: Air trapping is associated with unfavorable outcomes in chronic obstructive pulmonary disease (COPD). The present study evaluated the association between longitudinal changes in air trapping with pulmonary function, computed tomography (CT) parameters and exacerbation.
Methods: Pat..
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Cut-off value of FEV1/FEV6 to determine airflow limitation using handheld spirometry in subjects with risk of chronic obstructive pulmonary disease
Yong Il Hwang, Youlim Kim, Chin Kook Rhee, Deog Kyeom Kim, Yong Bum Park, Kwang Ha Yoo, Ki-Suck Jung, Chang Youl Lee
Korean J Intern Med. 2021;36(3):629-635. Published online June 24, 2020
Background/Aims: Postbronchodilator forced expiratory volume in 1 second (FEV1)/forced vital capacity (FVC) less than 0.7 using spirometry is the golden standard to diagnose airf low limitation of chronic obstructive pulmonary disease (COPD). Recently, measuring FEV6 has been s..
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Impact of gender on chronic obstructive pulmonary disease outcomes: a propensity score-matched analysis of a prospective cohort study
Jaeyoung Cho, Chang-Hoon Lee, Deog Kyeom Kim, Hun-Gyu Hwang, Yu-Il Kim, Hye Sook Choi, Jeong-Woong Park, Kwang Ha Yoo, Ki-Suck Jung, Sang-Do Lee; the KOLD and KOCOSS Investigators
Korean J Intern Med. 2020;35(5):1154-1163. Published online February 27, 2020
Background/Aims: Despite increasing awareness of the burden of chronic obstructive pulmonary disease (COPD) in women, knowledge regarding gender differences in COPD outcomes is limited. Therefore, we aimed to evaluate whether COPD outcomes, including exacerbations, lung function, and symptoms differ..
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The health-related quality-of-life of chronic obstructive pulmonary disease patients and disease-related indirect burdens
Hye Sook Choi, Dong-Wook Yang, Chin Kook Rhee, Hyoung Kyu Yoon, Jin Hwa Lee, Seong Yong Lim, Yu-Il Kim, Kwang Ha Yoo, Yong-Il Hwang, Sang Haak Lee, Yong Bum Park
Korean J Intern Med. 2020;35(5):1136-1144. Published online February 20, 2020
Background/Aims: Many chronic obstructive pulmonary disease (COPD) patients have physical limitations. We investigated EuroQol five-dimensions five-level (EQ-5D-5L) of COPD patients to assess quality of life, and assessed indirect burden including time expenditure to visit doctor, home care rate, an..
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Role of phosphodiesterase-4 inhibitors in chronic obstructive pulmonary disease
Chin Kook Rhee, Deog Kyeom Kim
Korean J Intern Med. 2020;35(2):276-283. Published online February 28, 2020
Phosphodiesterase-4 inhibitors (PDE4Is) are potent anti-inf lammatory agents and roflumilast has been used to prevent acute exacerbation of chronic obstructive pulmonary disease (COPD). Roflumilast decreases neutrophil migration, restores cystic fibrosis transmembrane conductance regulator activity,..
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Mortality of patients with chronic obstructive pulmonary disease: a nationwide populationbased cohort study
Seon Cheol Park, Dong Wook Kim, Eun Cheol Park, Cheung Soo Shin, Chin Kook Rhee, Young Ae Kang, Young Sam Kim
Korean J Intern Med. 2019;34(6):1272-1278. Published online October 16, 2019
Background/Aims: Chronic obstructive pulmonary disease (COPD) is a major cause of mortality in the world. There are no population-based studies on longterm mortality in COPD patients in Korea.
Methods: Using the large, population-based, National Health Insurance Service- National Sample Cohort (NHI..
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Left ventricular dysfunction in relation with systemic inflammation in chronic obstructive pulmonary disease patients
Sule Tas Gulen, Ufuk Eryilmaz, Mustafa Yilmaz, Fisun Karadag
Korean J Intern Med. 2019;34(3):569-578. Published online October 29, 2018
Background/Aims: Most important cause of mortality in chronic obstructive pulmonary disease (COPD) patients is known to be cardiovascular disease (CVD). The objective of the present study was to evaluate the echocardiographic parameters in COPD patients with or without pre-diagnosed CVD and to inves..
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Association between blood pressure, inflammation and spirometry parameters in chronic obstructive pulmonary disease
Sulhattin Arslan, Gürsel Yildiz, Levent Özdemir, Erdal Kaysoydu, Bülent Özdemir
Korean J Intern Med. 2019;34(1):108-115. Published online November 16, 2018
Background/Aims: Many systems including the cardiovascular system (ischemic heart diseases, heart failure, and hypertension) may act as comorbidities that can be seen during the course of chronic obstructive pulmonary disease (COPD). Comorbidities affect the severity and prognosis of COPD negatively..
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Use of serology and polymerase chain reaction to detect atypical respiratory pathogens during acute exacerbation of chronic obstructive pulmonary disease
Chi Young Jung, Yeoung Hun Choe, Sang Yeub Lee, Woo Jin Kim, Jong Deog Lee, Seung Won Ra, Eu Gene Choi, Jae Seung Lee, Myung Jae Park, Ju Ock Na
Korean J Intern Med. 2018;33(5):941-951. Published online June 25, 2018
Background/Aims: To use serological and multiplex polymerase chain reaction (PCR) assays to examine sputum samples from patients experiencing acute exacerbation of chronic obstructive pulmonary disease (AECOPD) for the presence of atypical pathogens, including Mycoplasma pneumoniae, Chlamydia pneumo..
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Clinical significance of nuclear factor erythroid 2-related factor 2 in patients with chronic obstructive pulmonary disease
Woo Ho Ban, Hyeon Hui Kang, In Kyoung Kim, Jick Hwan Ha, Hyonsoo Joo, Jong Min Lee, Jeong Uk Lim, Sang Haak Lee, Chin Kook Rhee
Korean J Intern Med. 2018;33(4):745-752. Published online March 13, 2018
Background/Aims: Several studies have identified a role for nuclear factor erythroid 2-related factor 2 (Nrf2) in the development of chronic obstructive pulmonary disease (COPD). However, the relationship between the plasma Nrf2 level and the extent of systemic inflammation associated with COPD stat..
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