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  • Title: Bronchoscopic approach to COPD.
    Author: Sahi H, Karnak D, Meli YM, Machuzak M, Gildea TR, Mehta AC.
    Journal: COPD; 2008 Apr; 5(2):125-31. PubMed ID: 18415811.
    Abstract:
    Chronic obstructive pulmonary disease (COPD) is a highly prevalent condition that has frequent morbidity and mortality, with associated costs of US $ 2.5 billion annually and nearly 14,000 deaths each year. In the most advanced stages it causes debilitating breathlessness which is not improved despite maximal medical therapy including smoking cessation, bronchodilators, steroids and supplemental oxygen. Limitations of medical therapy led to the development of several surgical techniques to improve quality of life. However, surgical techniques still carry substantial morbidity even if the mortality is low at centers with larger experience; hence investigators are vigorously pursuing research into innovative, alternative methods for achieving lung volume reduction (LVR), in recent years. Endoscopic techniques for LVR are proposed, based on two main approaches, either closing of anatomical airway passages into destroyed lobe/segment of the lung to affect a collapse and reduction in volume or opening extra-anatomical airway passages, aimed at improving expiratory collateral flow from hyper-inflated areas bypassing the flow limited segments of the emphysematous airways. This article reviews the available endoscopic devises and the evidence supporting their use in the treatment of COPD.
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