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( 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 ) 대한내과학회 2018 The Korean Journal of Internal Medicine Vol.33 No.5
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 pneumoniae, and Legionella pneumophila. Methods: From September 2012 to February 2014, 341 patients with AECOPD attending outpatient clinics were enrolled as part of a randomized, double-blind, multicenter study. A commercial enzyme-linked immunosorbent assay was used to measure serum immunoglobulin M (IgM) and IgG antibody titers on the first day of the study and at 36 days post-enrollment. Multiplex PCR was used to test sputum samples for the presence of atypical pathogens. A urinary antigen test for L. pneumophila was performed on the first day. Results: Nineteen patients (5.6%) showed serological evidence of acute infection with M. pneumoniae. Also, one and seven patients (2%) showed serological evidence of acute infection with C. pneumoniae and L. pneumophila, respectively. All DNA samples were negative for M. pneumoniae, C. pneumoniae, and L. pneumophila according to PCR. Only one urine sample was positive for L. pneumophila antigen, but serologic evidence was lacking. Conclusions: Serological testing suggested that infection by atypical pathogens during AECOPD was relatively uncommon. In addition, PCR provided no direct evidence of infection by atypical pathogens. Thus, atypical pathogens may not be a major cause of AECOPD in South Korea.
( Seung Yong Park ),( Yeoung Hun Choe ),( So Ri Kim ),( Seoung Ju Park ),( Yong Chul Lee ),( Heung Bum Lee ) 대한결핵 및 호흡기학회 2014 대한결핵 및 호흡기학회 추계학술대회 초록집 Vol.118 No.-
Emphysema is a form of chronic obstructive pulmonary disease (COPD) that is defined by abnormal and permanent enlargement of the airspaces distal to the terminal bronchioles. Lung volume reduction surgery is a surgical treatment for patients with advanced emphysema. However, surgical morbidity is high and non-pulmonary comorbidities may preclude surgery. Recently, bronchoscopic lung volume reduction (bLVR) was developed to collapse areas of emphysematous lung in hopes of having the same effect on respiratory function as LVRS, but without the morbidity and mortality of surgery. We report a case of successful non-surgical treatment with bronchoscopic placement of one-way endobronchial valves(EBV Zephyr, Pulmonx, USA) for the treatment of end-stage emphysema.
( Seung Yong Park ),( Yeoung Hun Choe ),( Sori Kim ),( Seoung Ju Park ),( Yong Chul Lee ),( Heung Bum Lee ) 대한내과학회 2014 대한내과학회 추계학술발표논문집 Vol.2014 No.1
Emphysema is a form of chronic obstructive pulmonary disease (COPD) that is de- fined by abnormal and permanent enlargement of the airspaces distal to the terminal bronchioles. Lung volume reduction surgery is a surgical treatment for patients with advanced emphysema. However, surgical morbidity is high and non-pulmonary comorbidities may preclude surgery. Recently, bronchoscopic lung volume reduction (bLVR) was developed to collapse areas of emphysematous lung in hopes of having the same effect on respiratory function as LVRS, but without the morbidity and mortality of surgery. We report a case of successful non-surgical treatment with bronchoscopic placement of one-way endobronchial valves(EBV Zephyr, Pulmonx, USA) for the treatment of end-stage emphysema.