| Clinical Applications of Bronchoscopic Lung Volume Reduction for Patients with Severe Emphysema |
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Tai Sun Park, Sei Won Lee |
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Department of Pulmonary and Critical Care Medicine, and Clinical Research Center for Chronic Obstructive Airway Diseases, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea |
| 중증 폐기종 환자에서 내시경적 폐용적 축소술의 임상 적용 |
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박태선, 이세원 |
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울산대학교 의과대학 서울아산병원 호흡기내과 |
Correspondence:
Sei Won Lee, Tel: +82-2-3010-3990, Fax: +82-2-3010-6968, Email: iseiwon@gmail.com
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| This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0/) which permits unrestricted noncommercial use, distribution, and reproduction in any medium, provided the original work is properly cited. |
| Abstract |
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Emphysema is a category of chronic obstructive pulmonary disease characterized by chronic airflow limitation and hyperinflation. Several decades ago, it was found that the surgical resection of emphysematous lung improved lung function and the long-term survival in patients with severe advanced emphysema. However, it was associated with substantial postoperative morbidity, such as persistent air-leak and mortality. Therefore, bronchoscopic lung volume reduction (BLVR) techniques have been developed to avoid these risks associated with surgery. Of these, endobronchial valves have been subject to the largest number of clinical trials. Endobronchial valves are unidirectional valves placed in the bronchus of the most hyperinflated lobe to block regional inflation, while allowing exhalation, leading to atelectasis of the target lobe. BLVR using endobronchial valves improves lung function, exercise tolerance, and symptoms. To obtain the maximum clinical benefits, it is important to select patients who have a complete lobar fissure and heterogeneous emphysematous lung involvement. Other bronchoscopic approaches are being developed to overcome these limitations. (Korean J Med 2014;86:432-437) |
| Key Words:
Emphysema; Chronic obstructive pulmonary disease; Lung volume reduction; Bronchoscopy |
| 주제어:
폐기종; 만성폐쇄성폐질환; 폐용적 축소술; 기관지 내시경 |
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