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Plavec D, Vrbica Ž. What is pre-COPD and do we know how to treat it? Expert Rev Respir Med 2024:1-6. [PMID: 38949832 DOI: 10.1080/17476348.2024.2375418] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2023] [Accepted: 06/28/2024] [Indexed: 07/02/2024]
Abstract
INTRODUCTION Chronic Obstructive Pulmonary Disease (COPD) is one of the leading causes of morbidity and mortality worldwide. The lung damage in COPD is associated with an enhanced chronic inflammatory response in the airways and lung tissue to harmful particles or gases. Early detection and treatment of COPD can help manage symptoms and slow the progression of the disease. AREAS COVERED Status of knowledge regarding early diagnosis, definition of pre-COPD, possible new tools for early diagnosis, possibilities of early treatment, and the results of studies in this population are discussed. Literature search (2014-2024) was done in PubMed, EMBASE, and WoS databases using the keywords COPD, early diagnosis, treatment, smoking, prevention; with additional search of literature in found articles. EXPERT OPINION No early case-finding programs have been proposed or validated, so we still have many patients diagnosed in the late stage of the disease. Clinically manifest COPD is characterized as typically progressive and irreversible with current therapeutic options. If we aim to reduce the mortality and morbidity from COPD we should target these steps: Prevention; Early diagnosis; Form registries of persons at risk for COPD development; Diagnose preclinical COPD; and discover new preventive therapeutic interventions.
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Affiliation(s)
- Davor Plavec
- Medical School, University Josip Juraj Strossmayer, Osijek, Croatia
- Medical Department, Prima Nova, Zagreb, Croatia
| | - Žarko Vrbica
- University of Dubrovnik, Dubrovnik, Croatia
- Department of Pulmonology, Dubrovnik General Hospital, Dubrovnik, Croatia
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Yang X, Liao J, Zhu S, Zhang C, Ma X, Zhang C, Wang Y, Sun K, Wang G. Association of high-sensitivity CRP and FEV1%pred: a study on non-pulmonary disease in a population in Beijing, China. BMJ Open Respir Res 2024; 11:e001699. [PMID: 38479820 PMCID: PMC10941139 DOI: 10.1136/bmjresp-2023-001699] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2023] [Accepted: 02/09/2024] [Indexed: 03/17/2024] Open
Abstract
BACKGROUND No studies have investigated whether high-sensitivity C reactive protein (hsCRP) can be used to predict the forced expiratory volume in 1 s (FEV1)/estimated value of FEV1 (FEV1%pred). This study aimed to assess the association between hsCRP and FEV1%pred in middle-aged and elderly individuals without underlying lung disease. METHODS The data for this study were obtained from a prospective cohort study that included 1047 middle-aged and elderly citizens from Beijing aged 40-75 years without any evidence of underlying lung diseases with FEV1 >70% after receiving inhalational bronchodilators. The baseline analysis of the participants was performed from 30 May 2018 to 31 October 2018. Restricted cubic spline regression and multivariate linear regression models were used to assess the non-linear association and linear association between hsCRP and FEV1/FEV in 6 s (FEV6) and FEV1%pred, respectively. RESULTS The hsCRP values of 851 participants were recorded; the values were normal in 713 (83.8%) participants. The remaining 196 participants (18.7%) had missing data. A non-linear association was observed between normal hsCRP values and FEV1/FEV6. hsCRP was linearly and negatively correlated with FEV1%pred, and each 1 SD increase in hsCRP was significantly associated with a 2.4% lower in FEV1%pred. Significantly higher FEV1/FEV6 differences were observed in the female subgroup than those in the male subgroup (p=0.011 for interaction). CONCLUSIONS hsCRP had a non-linear association with FEV1/FEV6 and a linear negative association with FEV1%pred in individuals with normal hsCRP values. hsCRP can be used to predict FEV1%pred, which can be used to predict the development of chronic obstructive pulmonary disease. hsCRP has a stronger association with lung function in women than that in men. TRIAL REGISTRATION NUMBER NCT03532893.
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Affiliation(s)
- Xiaoyu Yang
- Peking University First Hospital, Beijing, China
| | - Jiping Liao
- Department of Respiratory and Critical Care Medicine, Peking University First Hospital, Beijing, China
| | - Sainan Zhu
- Department of Biostatistics, Peking University First Hospital, Beijing, China
| | - Cheng Zhang
- Department of Respiratory and Critical Care Medicine, Peking University First Hospital, Beijing, China
| | - Xiaoyu Ma
- Department of Respiratory and Critical Care Medicine, Peking University First Hospital, Beijing, China
| | - Chunbo Zhang
- Department of Respiratory and Critical Care Medicine, Peking University First Hospital, Beijing, China
| | - Yunxia Wang
- Department of Respiratory and Critical Care Medicine, Peking University First Hospital, Beijing, China
| | - Kunyan Sun
- Department of Respiratory and Critical Care Medicine, Peking University First Hospital, Beijing, China
| | - Guangfa Wang
- Department of Respiratory and Critical Care Medicine, Peking University First Hospital, Beijing, China
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Ma X, Zhang C, Wang Y, Yu K, Jin Z, Zhang C, Ma J, Liao J, Wang G. Correlation of morning dry mouth with clinical features of OSA in a community population: a cross-sectional study. Postgrad Med 2024; 136:30-35. [PMID: 38197225 DOI: 10.1080/00325481.2024.2303972] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2023] [Accepted: 01/04/2024] [Indexed: 01/11/2024]
Abstract
OBJECTIVES Morning dry mouth, commonly seen in Obstructive Sleep Apnea (OSA) patients, is absent in current OSA screening tools. This study evaluated the link between morning dry mouth and OSA's clinical symptoms and complications, aiming to determine its viability as a screening indicator. METHODS This research analyses baseline data from a prospective cohort study (the PIFCOPD study). Demographic information, medical history, and the presence of morning dry mouth symptoms were collected. The STOP-Bang questionnaire was performed for OSA screening. Logistic regression analyses were employed to establish the correlations between morning dry mouth and the clinical symptoms and comorbidities of OSA. RESULT 1291 participants (62.1±7.5 years; 501 males, 790 females) were included, of which 416 reported morning dry mouth (32.2%). 42.6% in the high-risk OSA group and 22.1% in the low-risk group reported morning dry mouth. Individuals with morning dry mouth also showed higher STOP-Bang scores (3.3±1.6 vs. 2.3±1.4, P<0.01). Significant associations were found between morning dry mouth and loud snoring, observed sleep apnea, daytime fatigue, and hyperlipidemia (P<0.01), but not with alcohol consumption, tea consumption, diabetes, or hypertension. CONCLUSION Morning dry mouth is associated with increased OSA risk and its clinical signs, suggesting its potential as an OSA screening symptom. CLINICAL TRIAL REGISTRATION This study has been registered at www.ClinicalTrials.gov (registration identifier: NCT03532893) on 21 May 2018.
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Affiliation(s)
- Xiaoyu Ma
- Department of Respiratory and Critical Care Medicine, Peking University First Hospital, Beijing, China
| | - Cheng Zhang
- Department of Respiratory and Critical Care Medicine, Peking University First Hospital, Beijing, China
| | - Yunxia Wang
- Department of Respiratory and Critical Care Medicine, Peking University First Hospital, Beijing, China
| | - Kunyao Yu
- Department of Respiratory and Critical Care Medicine, Peking University First Hospital, Beijing, China
| | - Zhe Jin
- Department of Respiratory and Critical Care Medicine, Peking University First Hospital, Beijing, China
| | - Chunbo Zhang
- Department of Respiratory and Critical Care Medicine, Peking University First Hospital, Beijing, China
| | | | - Jiping Liao
- Department of Respiratory and Critical Care Medicine, Peking University First Hospital, Beijing, China
| | - Guangfa Wang
- Department of Respiratory and Critical Care Medicine, Peking University First Hospital, Beijing, China
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Wei S, Liao J, Xue T, Yu K, Fu X, Wang R, Dang X, Zhang C, Qiao H, Jiang S, Xiao J, Dong L, Yin J, Yan X, Jia W, Zhang G, Chen R, Zhou B, Song B, Li J, Yin M, Zhang L, Xie L, Dong S, Sun J, Gao P, Miao B, Li W, He L, Ning Q, Zhao L, Liu H, Cao H, Wang G. Ambient fine particulate matter and allergic symptoms in the middle-aged and elderly population: results from the PIFCOPD study. Respir Res 2023; 24:139. [PMID: 37231445 DOI: 10.1186/s12931-023-02433-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2022] [Accepted: 04/24/2023] [Indexed: 05/27/2023] Open
Abstract
BACKGROUND The associations between short- and long-term exposure to ambient fine particulate matter with an aerodynamic diameter ≤ 2.5 µm (PM2.5) and allergic symptoms in middle-aged and elderly populations remain unclear, particularly in China, where most cities have severe air pollution. METHODS Participants (n = 10,142; age = 40-75 years) were recruited from ten regions in China from 2018 to 2021 for the Predictive Value of Inflammatory Biomarkers and Forced Expiratory Volume in 1 s (FEV1) for Chronic Obstructive Pulmonary Disease (PIFCOPD) study. Short-term (lag0 and lag0-7 day) and long-term (1-, 3- and 5-year) PM2.5 concentrations at residences were extracted from the air pollutant database known as Tracking Air Pollution (TAP) in China. Multivariate logistic regression models were used to estimate associations for short- and long-term PM2.5 exposure concentrations and long-term exposure models were additionally adjusted for short-term deviations. RESULTS A 10 µg/m3 increase in PM2.5 on the day the allergic symptoms questionnaire was administered (lag0 day) was associated with higher odds of allergic nasal (1.09, 95% CI 1.05, 1.12) and eye symptoms (1.08, 95% CI 1.05, 1.11), worsening dyspnea caused by allergens (1.06, 95% CI 1.02, 1.10), and ≥ 2 allergic symptoms (1.07, 95% CI 1.03, 1.11), which was similar in the lag0-7 day concentrations. A 10 µg/m3 increase in the 1-year average PM2.5 concentration was associated with an increase of 23% for allergic nasal symptoms, 22% for eye symptoms, 20% for worsening dyspnea caused by allergens, and 21% for ≥ 2 allergic symptoms, similar to the 3- and 5-year average PM2.5 concentrations. These associations between long-term PM2.5 concentration and allergic symptoms were generally unchanged after adjustment for short-term deviations. CONCLUSIONS Short- and long-term exposure to ambient PM2.5 was associated with an increased risk of allergic nasal and eye symptoms, worsening dyspnea caused by allergens, and ≥ 2 allergic symptoms. TRIAL REGISTRATION Clinical trial ID: NCT03532893 (29 Mar 2018).
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Affiliation(s)
- Shanshan Wei
- Department of Respiratory and Critical Care Medicine, Peking University First Hospital, No.8 Xishiku Street, Xicheng District, Beijing, 100034, China
| | - Jiping Liao
- Department of Respiratory and Critical Care Medicine, Peking University First Hospital, No.8 Xishiku Street, Xicheng District, Beijing, 100034, China
| | - Tao Xue
- Institute of Reproductive and Child Health/National Health Commission Key Laboratory of Reproductive Health and Department of Epidemiology and Biostatistics, School of Public Health, Peking University Health Science Centre, Beijing, China
| | - Kunyao Yu
- Department of Respiratory and Critical Care Medicine, Peking University First Hospital, No.8 Xishiku Street, Xicheng District, Beijing, 100034, China
| | - Xiuhua Fu
- Division of Pulmonary and Critical Care Medicine, The Affiliated Hospital of Inner Mongolia Medical University, Hohhot, Inner Mongolia, China
| | - Ruiying Wang
- Department of Pulmonary and Critical Care Medicine, Shanxi Bethune Hospital, Shanxi Academy of Medical Sciences, Tongji Shanxi Hospital, Third Hospital of Shanxi Medical University, Taiyuan, Shanxi, China
| | - Xiaomin Dang
- Respiratory and Critical Care Medicine, Xi'an Jiaotong University Medical College First Affiliated Hospital, Xi'an, Shaanxi, China
| | - Cheng Zhang
- Department of Respiratory and Critical Care Medicine, Peking University First Hospital, No.8 Xishiku Street, Xicheng District, Beijing, 100034, China
| | - Hua Qiao
- The First Hospital of Qinhuangdao, Qinhuangdao, Hebei, China
| | - Shujuan Jiang
- Department of Respiratory and Critical Care Medicine, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong, China
| | - Jianhong Xiao
- Mindong Hospital of Ningde City, Ningde, Fujian, China
| | - Lixia Dong
- Tianjin Medical University General Hospital, Tianjin, China
| | - Jinzhi Yin
- The Second Hospital of Jilin University, Changchun, Jilin, China
| | - Xixin Yan
- Department of Respiratory and Critical Care Medicine, The Second Hospital of Hebei Medical University, Shijiazhuang, Hebei, China
- Hebei Key Laboratory of Respiratory Critical Care, Shijiazhuang, Hebei, China
| | - Weihua Jia
- General Hospital of Taiyuan Iron & Steel (Group) Co., LTD, Taiyuan, Shanxi, China
| | - Guifang Zhang
- Jinyuan Community Health Service Center, Taiyuan, Shanxi, China
| | - Rui Chen
- Division of Pulmonary and Critical Care Medicine, The Affiliated Hospital of Inner Mongolia Medical University, Hohhot, Inner Mongolia, China
| | - Bo Zhou
- Respiratory and Critical Care Medicine, Xi'an Jiaotong University Medical College First Affiliated Hospital, Xi'an, Shaanxi, China
| | - Beibei Song
- Department of Respiratory and Critical Care Medicine, The Second Hospital of Hebei Medical University, Shijiazhuang, Hebei, China
- Hebei Key Laboratory of Respiratory Critical Care, Shijiazhuang, Hebei, China
| | - Jing Li
- Department of Pulmonary and Critical Care Medicine, Shanxi Bethune Hospital, Shanxi Academy of Medical Sciences, Tongji Shanxi Hospital, Third Hospital of Shanxi Medical University, Taiyuan, Shanxi, China
| | - Mengyu Yin
- Tianjin Medical University General Hospital, Tianjin, China
| | - Lina Zhang
- Jining First People's Hospital, Jining, Shandong, China
| | - Liping Xie
- General Hospital of Taiyuan Iron & Steel (Group) Co., LTD, Taiyuan, Shanxi, China
| | - Shaochen Dong
- The First Hospital of Qinhuangdao, Qinhuangdao, Hebei, China
| | - Jian Sun
- Department of Respiratory and Critical Care Medicine, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong, China
| | - Peng Gao
- The Second Hospital of Jilin University, Changchun, Jilin, China
| | - Bifang Miao
- Mindong Hospital of Ningde City, Ningde, Fujian, China
| | - Wei Li
- The Second Hospital of Jilin University, Changchun, Jilin, China
| | - Lan He
- Division of Pulmonary and Critical Care Medicine, The Affiliated Hospital of Inner Mongolia Medical University, Hohhot, Inner Mongolia, China
| | - Qian Ning
- Respiratory and Critical Care Medicine, Xi'an Jiaotong University Medical College First Affiliated Hospital, Xi'an, Shaanxi, China
| | - Limin Zhao
- Henan Provincial People's Hospital, Zhengzhou, Henan, China
| | - Hengyi Liu
- Institute of Reproductive and Child Health/National Health Commission Key Laboratory of Reproductive Health and Department of Epidemiology and Biostatistics, School of Public Health, Peking University Health Science Centre, Beijing, China
| | - Han Cao
- Department of Biostatistics, Peking University First Hospital, Beijing, China
| | - Guangfa Wang
- Department of Respiratory and Critical Care Medicine, Peking University First Hospital, No.8 Xishiku Street, Xicheng District, Beijing, 100034, China.
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Zhang C, Wei S, Wang Y, Yu K, Jin Z, Zhang M, Ma X, Zhang C, Zhang Q, Sun K, Zhou P, Zhong Y, Ma J, Liao J, Wang G. Association between preserved ratio impaired spirometry and sleep apnea in a Chinese community. Curr Med Res Opin 2023; 39:621-626. [PMID: 36847254 DOI: 10.1080/03007995.2023.2182531] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/24/2023]
Abstract
OBJECTIVE This study investigated the association between obstructive sleep apnea (OSA) and preserved ratio impaired spirometry (PRISm) in a community population. METHODS Baseline data from a prospective cohort study, the Predictive Value of Combining Inflammatory Biomarkers and Rapid Decline of FEV1 for COPD (PIFCOPD), were used for cross-sectional analysis. Participants aged 40-75 years were recruited from the community and their demographic information and medical history were collected. The STOP-Bang questionnaire (SBQ) was used to assess the risk of OSA. Pulmonary function tests were performed using a portable spirometer (COPD-6) and forced expiratory volume in 1 s (FEV1) and 6 s (FEV6) were measured. Routine blood, biochemical, high-sensitivity C-reactive protein (hs-CRP), and interleukin-6 tests were also performed. The pH of the exhaled breath condensate was determined. RESULTS A total of 1183 participants were enrolled, of which 221 with PRISm and 962 with normal lung function. The neck circumference, waist-to-hip ratio, hs-CRP concentration, proportion of males, cigarette exposure, number of current smoker, high risk of OSA, and prevalence of nasal and ocular allergy symptoms were significantly higher in the PRISm group than in the non-PRISm group (p < .05). Logistic regression showed that the risk of OSA (odds ratio, 1.883; 95% confidence interval, 1.245-2.848), waist-to-hip ratio, current smoking, and prevalence of nasal allergy symptoms were independently associated with PRISm after correcting for age and sex. CONCLUSION These findings showed that OSA prevalence is independently associated with PRISm prevalence. Further studies should confirm the relationship between systemic inflammation in OSA, localized inflammation of the airways, and impaired lung function.
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Affiliation(s)
- Cheng Zhang
- The Department of Respiratory and Critical Care Medicine, Peking University First Hospital, Beijing, China
| | - Shanshan Wei
- The Department of Respiratory and Critical Care Medicine, Peking University First Hospital, Beijing, China
| | - Yunxia Wang
- The Department of Respiratory and Critical Care Medicine, Peking University First Hospital, Beijing, China
| | - Kunyao Yu
- The Department of Respiratory and Critical Care Medicine, Peking University First Hospital, Beijing, China
| | - Zhe Jin
- The Department of Respiratory and Critical Care Medicine, Peking University First Hospital, Beijing, China
| | - Meng Zhang
- The Department of Respiratory and Critical Care Medicine, Peking University First Hospital, Beijing, China
| | - Xiaoyu Ma
- The Department of Respiratory and Critical Care Medicine, Peking University First Hospital, Beijing, China
| | - Chunbo Zhang
- The Department of Respiratory and Critical Care Medicine, Peking University First Hospital, Beijing, China
| | - Qi Zhang
- The Department of Respiratory and Critical Care Medicine, Peking University First Hospital, Beijing, China
| | - Kunyan Sun
- The Department of Respiratory and Critical Care Medicine, Peking University First Hospital, Beijing, China
| | - Peining Zhou
- The Department of Respiratory and Critical Care Medicine, Peking University First Hospital, Beijing, China
| | - Yijue Zhong
- The Department of Respiratory and Critical Care Medicine, Peking University First Hospital, Beijing, China
| | - Jing Ma
- The Department of Respiratory and Critical Care Medicine, Peking University First Hospital, Beijing, China
| | - Jiping Liao
- The Department of Respiratory and Critical Care Medicine, Peking University First Hospital, Beijing, China
| | - Guangfa Wang
- The Department of Respiratory and Critical Care Medicine, Peking University First Hospital, Beijing, China
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He J, Li H, Yao J, Wang Y. Prevalence of sarcopenia in patients with COPD through different musculature measurements: An updated meta-analysis and meta-regression. Front Nutr 2023; 10:1137371. [PMID: 36875833 PMCID: PMC9978530 DOI: 10.3389/fnut.2023.1137371] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2023] [Accepted: 01/31/2023] [Indexed: 02/18/2023] Open
Abstract
Aim Chronic obstructive pulmonary disease (COPD) patients vary widely in terms of the prevalence of sarcopenia, which is partially attributed to differences in diagnostic criteria and disease severity. There are several different musculature measurements that are used to quantify sarcopenia. This study included published literature for meta-analysis to assess the sarcopenia prevalence in COPD patients and correlate the disease with the clinical characteristics of such patients. Methods A comprehensive review of the English and Chinese literature on sarcopenia prevalence in COPD patients was conducted using electronic databases such as China National Knowledge Infrastructure (CNKI), Web of Science, Cochrane Library, EMBASE, PubMed, and Wanfang. Two researchers analyzed the studies for Newcastle-Ottawa Scale. The software Stata 11.0 was employed for the analysis of the acquired data. The standard mean differences method was utilized for the estimation and quantification of the effect size. Furthermore, a fixed- or random-effects model was employed for conducting a combined analysis. Results In total, 56 studies were included as per the specific inclusion criteria. The resulting data of the assessed COPD patients in this research indicated a 27% prevalence of sarcopenia. Further analysis of subgroups was executed per disease severity, ethnicity, diagnostic criteria, gender, and age. Per these findings, increased disease severity elevated the prevalence of sarcopenia. The Latin American and Caucasian populations indicated an increased prevalence of sarcopenia. In addition, the prevalence of sarcopenia was related to diagnostic criteria and definition. Male COPD patients had a higher prevalence of sarcopenia than female COPD patients. COPD patients with an average age greater than 65 had a slightly higher prevalence of sarcopenia. COPD patients with comorbid sarcopenia had poorer pulmonary function, activity tolerance, and clinical symptoms than patients with COPD alone. Conclusion Sarcopenia prevalence is high (27%) in COPD patients. In addition, these patients had worse pulmonary function and activity tolerance compared to patients without sarcopenia. Systematic review registration https://www.crd.york.ac.uk/prospero/display_record.php?RecordID=367422, identifier CRD42022367422.
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Affiliation(s)
- Jie He
- Clinical Medical College of Chengdu Medical College, Chengdu, Sichuan, China.,Department of Pulmonary and Critical Care Medicine, The First Affiliated Hospital of Chengdu Medical College, Chengdu, Sichuan, China
| | - Hezhi Li
- Clinical Medical College of Chengdu Medical College, Chengdu, Sichuan, China.,Department of Anesthesiology, The First Affiliated Hospital of Chengdu Medical College, Chengdu, Sichuan, China
| | - Jun Yao
- Clinical Medical College of Chengdu Medical College, Chengdu, Sichuan, China.,Department of Pulmonary and Critical Care Medicine, The First Affiliated Hospital of Chengdu Medical College, Chengdu, Sichuan, China
| | - Yan Wang
- Clinical Medical College of Chengdu Medical College, Chengdu, Sichuan, China.,Department of Pulmonary and Critical Care Medicine, The First Affiliated Hospital of Chengdu Medical College, Chengdu, Sichuan, China
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Choi JY, Rhee CK. Diagnosis and Treatment of Early Chronic Obstructive Lung Disease (COPD). J Clin Med 2020; 9:jcm9113426. [PMID: 33114502 PMCID: PMC7692717 DOI: 10.3390/jcm9113426] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2020] [Revised: 10/23/2020] [Accepted: 10/23/2020] [Indexed: 12/16/2022] Open
Abstract
Chronic obstructive lung disease (COPD) is responsible for substantial rates of mortality and economic burden, and is one of the most important public-health concerns. As the disease characteristics include irreversible airway obstruction and progressive lung function decline, there has been a great deal of interest in detection at the early stages of COPD during the “at risk” or undiagnosed preclinical stage to prevent the disease from progressing to the overt stage. Previous studies have used various definitions of early COPD, and the term mild COPD has also often been used. There has been a great deal of recent effort to establish a definition of early COPD, but comprehensive evaluation is still required, including identification of risk factors, various physiological and radiological tests, and clinical manifestations for diagnosis of early COPD, considering the heterogeneity of the disease. The treatment of early COPD should be considered from the perspective of prevention of disease progression and management of clinical deterioration. There has been a lack of studies on this topic as the definition of early COPD has been proposed only recently, and therefore further clinical studies are needed.
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Affiliation(s)
- Joon Young Choi
- Division of Pulmonary, Allergy and Critical Care Medicine, Department of Internal Medicine, Incheon St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Seoul 06591, 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 06591, Korea
- Correspondence: ; Tel.: +82-2-2258-6067; Fax: +82-2-599-3589
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