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대한결핵 및 호흡기학회> Tuberculosis and Respiratory Diseases

Tuberculosis and Respiratory Diseases update

  • : 대한결핵 및 호흡기학회
  • : 의약학분야  >  내과학
  • : KCI등재
  • : SCOPUS
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  • : 1738-3536
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  • : 결핵 및 호흡기 질환(~2004) → tuberculosis and respiratory diseases(2004~)

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Tuberculosis and Respiratory Diseases
84권1호(2021년 01월) 수록논문
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KCI등재 SCOPUS

1An Overview of Genetic Information of Latent Mycobacterium tuberculosis

저자 : Faezeh Hamidieh , Parissa Farnia , Jamileh Nowroozi , Poopak Farnia , Ali Akbar Velayati

발행기관 : 대한결핵 및 호흡기학회 간행물 : Tuberculosis and Respiratory Diseases 84권 1호 발행 연도 : 2021 페이지 : pp. 1-12 (12 pages)

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Mycobacterium tuberculosis has infected more than two billion individuals worldwide, of whom 5%-10% have clinically active disease and 90%-95% remain in the latent stage with a reservoir of viable bacteria in the macrophages for extended periods of time. The tubercle bacilli at this stage are usually called dormant, non-viable, and/or non-culturable microorganisms. The patients with latent bacilli will not have clinical pictures and are not infectious. The infections in about 2%-23% of the patients with latent status become reactivated for various reasons such as cancer, human immunodeficiency virus infection, diabetes, and/or aging. Many studies have examined the mechanisms involved in the latent state of Mycobacterium and showed that latency modified the expression of many genes. Therefore, several mechanisms will change in this bacterium. Hence, this study aimed to briefly examine the genes involved in the latent state as well as the changes that are caused by Mycobacterium tuberculosis . The study also evaluated the relationship between the functions of these genes.

KCI등재 SCOPUS

2COVID-19 Death and BCG Vaccination Programs Worldwide

저자 : Feras J. Jirjees , Yahya H. Dallal Bashi , Hala J. Al-obaidi

발행기관 : 대한결핵 및 호흡기학회 간행물 : Tuberculosis and Respiratory Diseases 84권 1호 발행 연도 : 2021 페이지 : pp. 13-21 (9 pages)

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Several clinical trials are being conducted worldwide to investigate the protective effect of the bacillus Calmette-Guerin (BCG) vaccine against death in healthcare providers who are working directly with coronavirus disease 2019 (COVID-19) patients. Clinical studies suggested that certain live vaccines, particularly the BCG vaccine, could reduce the mortality due to other diseases caused by non-targeted pathogens, most probably through the nonspecific effects (heterologous effects). By the end of May 2020, the available information on the COVID-19 pandemic indicated the great effect of the BCG vaccine in reducing the number of COVID-19 death cases. The occurrence of death due to COVID-19 was found to be 21-fold lower in countries with a national BCG vaccination policy than in countries without such a policy, based on the medians of COVID-19 death case per 1 million of the population in these two groups of countries (p<0.001, Mann- Whitney test). Therefore, it can be concluded that the early establishment of a BCG vaccination policy in any country is a key element in reducing the number of COVID-19 and tuberculosis death cases.

KCI등재 SCOPUS

3Are Patients with Asthma and Chronic Obstructive Pulmonary Disease Preferred Targets of COVID-19?

저자 : Belaid Bouazza , Dihia Hadj-said , Karen A. Pescatore , Rachid Chahed

발행기관 : 대한결핵 및 호흡기학회 간행물 : Tuberculosis and Respiratory Diseases 84권 1호 발행 연도 : 2021 페이지 : pp. 22-34 (13 pages)

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The coronavirus pandemic, known as coronavirus disease 2019 (COVID-19), is an infectious respiratory disease caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), a novel coronavirus first identified in patients from Wuhan, China. Since December 2019, SARS-CoV-2 has spread swiftly around the world, infected more than 25 million people, and caused more than 800,000 deaths in 188 countries. Chronic respiratory diseases such as asthma and chronic obstructive pulmonary disease (COPD) appear to be risk factors for COVID-19, however, their prevalence remains controversial. In fact, studies in China reported lower rates of chronic respiratory conditions in patients with COVID-19 than in the general population, while the trend is reversed in the United States and Europe. Although the underlying molecular mechanisms of a possible interaction between COVID-19 and chronic respiratory diseases remain unknown, some observations can help to elucidate them. Indeed, physiological changes, immune response, or medications used against SARS-CoV-2 may have a greater impact on patients with chronic respiratory conditions already debilitated by chronic inflammation, dyspnea, and the use of immunosuppressant drugs like corticosteroids. In this review, we discuss importance and the impact of COVID-19 on asthma and COPD patients, the possible available treatments, and patient management during the pandemic.

KCI등재 SCOPUS

4Implications of Managing Chronic Obstructive Pulmonary Disease in Cardiovascular Diseases

저자 : Kartik Deshmukh , Arjun Khanna

발행기관 : 대한결핵 및 호흡기학회 간행물 : Tuberculosis and Respiratory Diseases 84권 1호 발행 연도 : 2021 페이지 : pp. 35-54 (20 pages)

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Globally, cardiovascular diseases and chronic obstructive pulmonary disease (COPD) are the leading causes of the non-communicable disease burden. Overlapping symptoms such as breathing difficulty and fatigue, with a lack of awareness about COPD among physicians, are key reasons for under-diagnosis and resulting sub-optimal care relative to COPD. Much has been published in the past on the pathogenesis and implications of cardiovascular comorbidities in COPD. However, a comprehensive review of the prevalence and impact of COPD management in commonly encountered cardiac diseases is lacking. The purpose of this study was to summarize the current knowledge regarding the prevalence of COPD in heart failure, ischemic heart disease, and atrial fibrillation. We also discuss the real-life clinical presentation and practical implications of managing COPD in cardiac diseases. We searched PubMed, Scopus, EMBASE, and Google Scholar for studies published 1981-May 2020 reporting the prevalence of COPD in the three specified cardiac diseases. COPD has high prevalence in heart failure, atrial fibrillation, and ischemic heart disease. Despite this, COPD remains under-diagnosed and under-managed in the majority of patients with cardiac diseases. The clinical implications of the diagnosis of COPD in cardiac disease includes the recognition of hyperinflation (a treatable trait), implementation of acute exacerbations of COPD (AECOPD) prevention strategies, and reducing the risk of overuse of diuretics. The pharmacological agents for the management of COPD have shown a beneficial effect on cardiac functions and mortality. The appropriate management of COPD improves the cardiovascular outcomes by reducing hyperinflation and preventing AECOPD, thus reducing the risk of mortality, improving exercise tolerance, and quality of life.

KCI등재 SCOPUS

5Comparing Inhaler Use Technique Based on Inhaler Type in Elderly Patients with Respiratory Disease

저자 : Ha Youn Lee , Jin Hwa Song , Ha-kyeong Won , Yeonkyung Park , Keun Bum Chung , Hyo-jeong Lim , Young Mee Ahn , Byoung Jun Lee

발행기관 : 대한결핵 및 호흡기학회 간행물 : Tuberculosis and Respiratory Diseases 84권 1호 발행 연도 : 2021 페이지 : pp. 46-54 (9 pages)

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Background: The aim of this study was to investigate inhaler device handling in elderly patients. Inhaler devices with respect to misuse and error correction were also compared.
Methods: Inhaler use technique was assessed using standardized checklists at the first visit and 3-month follow-up visit after retraining. The primary outcome was difference in the acceptable use ratio among inhaler devices. Secondary outcomes included differences in error correction, the most common step of misuse, and factors affecting the accuracy of inhaler use.
Results: A total of 251 patients (mean age, 76.4 years) were included. The handling of 320 devices was assessed in the study. All patients had been trained before. However, only 24.7% of them used inhalers correctly. Proportions of acceptable use for Evohaler, Respimat, Turbuhaler, Ellipta, and Breezhaler/Handihaler were 38.7%, 50.0%, 61.4%, 60.8%, and 43.2%, respectively (p=0.026). At the second visit, the acceptable use ratio had increased. There were no significant differences among inhaler types (Evohaler, 63.9%; Respimat, 86.1%; Turbuhaler, 74.3%; Ellipta, 64.6%; and Breezhaler/ Handihaler, 65.3% [p=0.129]). In multivariate analysis, body mass index, Turbuhaler, and Ellipta showed positive correlations with acceptable use of inhalers, whereas Chronic Obstructive Pulmonary Disease Assessment Test score showed a negative correlation.
Conclusion: Although new inhalers have been developed, the accuracy of inhaler use remains low. Elderly patients showed more errors when using pressurized metered-dose inhalers than using dry powder inhalers and soft-mist inhalers. However, there were no significant differences in misuse among inhaler devices after individual training. Results of this study suggests that repeat training is more important than inhaler type.

KCI등재 SCOPUS

6Effects of Particulate Matter 10 Inhalation on Lung Tissue RNA expression in a Murine Model

저자 : Heejae Han , Eun-yi Oh , Jae-hyun Lee , Jung-won Park , Hye Jung Park

발행기관 : 대한결핵 및 호흡기학회 간행물 : Tuberculosis and Respiratory Diseases 84권 1호 발행 연도 : 2021 페이지 : pp. 55-68 (14 pages)

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Background: Particulate matter 10 (PM10; airborne particles <10 μm) inhalation has been demonstrated to induce airway and lung diseases. In this study, we investigate the effects of PM10 inhalation on RNA expression in lung tissues using a murine model.
Methods: Female BALB/c mice were affected with PM10, ovalbumin (OVA), or both OVA and PM10. PM10 was administered intranasally while OVA was both intraperitoneally injected and intranasally administered. Treatments occurred 4 times over a 2-week period. Two days after the final challenges, mice were sacrificed. Full RNA sequencing using lung homogenates was conducted.
Results: While PM10 did not induce cell proliferation in bronchoalveolar fluid or lead to airway hyper-responsiveness, it did cause airway inflammation and lung fibrosis. Levels of interleukin 1β, tumor necrosis factor-α, and transforming growth factor-β in lung homogenates were significantly elevated in the PM10-treated group, compared to the control group. The PM10 group also showed increased RNA expression of Rn45a , Snord22 , Atp6v0c-ps2 , Snora28 , Snord15b , Snora70 , and Mmp12 . Generally, genes associated with RNA splicing, DNA repair, the inflammatory response, the immune response, cell death, and apoptotic processes were highly expressed in the PM10-treated group. The OVA/PM10 treatment did not produce greater effects than OVA alone. However, the OVA/PM10-treated group did show increased RNA expression of Clca1, Snord22, Retnla, Prg2, Tff2, Atp6v0c-ps2, and Fcgbp when compared to the control groups. These genes are associated with RNA splicing, DNA repair, the inflammatory response, and the immune response.
Conclusion: Inhalation of PM10 extensively altered RNA expression while also inducing cellular inflammation, fibrosis, and increased inflammatory cytokines in this murine mouse model.

KCI등재 SCOPUS

7Pleural Space Elastance and Its Relation to Success Rates of Pleurodesis in Malignant Pleural Effusion

저자 : Hossam Hosny Masoud , Mahmoud Mohamed El-zorkany , Azza Anwar Ahmed M. Sc. , Hebatallah Hany Assal

발행기관 : 대한결핵 및 호흡기학회 간행물 : Tuberculosis and Respiratory Diseases 84권 1호 발행 연도 : 2021 페이지 : pp. 67-73 (7 pages)

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Background: Pleurodesis fails in 10%-40% of patients with recurrent malignant pleural effusions malignant pleural effusion and dyspnea. This study aimed to assess the values of pleural elastance (PEL) after the aspiration of 500 mL of pleural fluid and their relation to the pleurodesis outcome, and to compare the pleurodesis outcome with the chemical characteristics of pleural fluid.
Methods: A prospective study was conducted in Kasr El-Aini Hospital, Cairo University, during the period from March 2019 to January 2020. The study population consisted of 40 patients with malignant pleural effusion. The measurement of PEL after the aspiration of 500 mL of fluid was done with “PEL 0.5” (cm H2O/L), and the characteristics of the pleural fluid were chemically and cytologically analyzed. Pleurodesis was done and the patients were evaluated one month later. The PEL values were compared with pleurodesis outcomes.
Results: After 4-week of follow-up, the success rate of pleurodesis was 65%. The PEL 0.5 was significantly higher in failed pleurodesis than it was in successful pleurodesis. A cutoff point of PEL 0.5 >14.5 cm H2O/L was associated with pleurodesis failure with a sensitivity and specificity of 93% and 100%, respectively. The patients with failed pleurodesis had significantly lower pH levels in fluid than those in the successful group (p<0.001).
Conclusion: PEL measurement was a significant predictor in differentiating between failed and successful pleurodesis. The increase in acidity of the malignant pleural fluid can be used as a predictor for pleurodesis failure in patients with malignant pleural effusion.

KCI등재 SCOPUS

8Treatment Outcomes of Patients with Multidrug-Resistant Tuberculosis: Comparison of Pre- and Post-Public-Private Mix Periods

저자 : Yewon Kang , Eun-jung Jo , Jung Seop Eom , Mi-hyun Kim , Kwangha Lee , Ki Uk Kim , Hye-kyung Park , Min Ki Lee , Jeongha Mok

발행기관 : 대한결핵 및 호흡기학회 간행물 : Tuberculosis and Respiratory Diseases 84권 1호 발행 연도 : 2021 페이지 : pp. 74-83 (10 pages)

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Background: This study compared the treatment outcomes of patients with multidrug-resistant tuberculosis (MDRTB) before and after the implementation of public-private mix (PPM). Factors affecting treatment success were also investigated.
Methods: Data from culture-confirmed pulmonary MDR-TB patients who commenced MDR-TB treatment at Pusan National University Hospital between January 2003 and December 2017 were retrospectively reviewed. Patients were divided into two groups in terms of PPM status: pre-PPM period, patients who commenced MDR-TB treatment between 2003 and 2010; and post-PPM period, patients treated between 2011 and 2017.
Results: A total of 176 patients were included (64 and 112 in the pre- and post-PPM periods, respectively). 36.9% of the patients were resistant to a fluoroquinolone or a second-line injectable drug, or both. The overall treatment success rate was 72.7%. The success rate of post-PPM patients was higher than that of pre-PPM patients (79.5% vs. 60.9%, p=0.008). Also, loss to follow-up was lower in the post-PPM period (5.4% vs. 15.6%, p=0.023). In multivariate regression analysis, age ≥65 years, body mass index ≤18.5 kg/m2, previous TB treatment, bilateral lung involvement, and extensively drug-resistant (XDR)- or pre-XDR-TB were associated with poorer treatment outcomes. However, the use of bedaquiline or delamanid for ≥1 month increased the treatment success.
Conclusion: The treatment success rate in MDR-TB patients was higher in the post-PPM period than in the pre-PPM period, particularly because of the low rate of loss to follow-up. To ensure comprehensive patient-centered PPM in South Korea, investment and other support must be adequate.

KCI등재 SCOPUS

9COVID-19 Death and BCG Vaccination

저자 : Viroj Wiwanitkit

발행기관 : 대한결핵 및 호흡기학회 간행물 : Tuberculosis and Respiratory Diseases 84권 1호 발행 연도 : 2021 페이지 : pp. 84-84 (1 pages)

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