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find Keyword "One-way valve" 1 results
  • Effects of lung volume reduction surgery using one-way valve on homogeneous emphysema

    Objective To explore the treatment effects of one-way valve lung volume reduction surgery for heterogeneous emphysema.Methods Seven heterogeneous emphysema Beagle dogs were each implanted in right lung2-4 pieces ofbronchial one-way valve.The animals were sacrificed two months later.Macro- and microscopic pathology changes of the lungs were observed.Results Of 21 valves implanted,2 were expectorated,and 19 were in normal position.The dogs did not have obvious adverse reactions.Generally specimens of the occluded lobes had different levels of lung volume decrease,such as texture stiffened,focal scar formation,atelectasis,pulmonary fibrosis.Pathological biopsy showed moderate alveolitis and pulmonary interstitial fibrosis.Conclusion One-way valve lung volume reduction is effective for heterogeneous emphysema

    Release date:2016-09-14 11:56 Export PDF Favorites Scan
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