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Effectiveness of bronchoscopic lung volume reduction using unilateral endobronchial valve: a systematic review and meta-analysis.

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dc.contributor.authorChoi, M-
dc.contributor.authorLee, WS-
dc.contributor.authorLee, M-
dc.contributor.authorJeon, K-
dc.contributor.authorSheen, S-
dc.contributor.authorJheon, S-
dc.contributor.authorKim, YS-
dc.date.accessioned2017-06-14T02:00:03Z-
dc.date.available2017-06-14T02:00:03Z-
dc.date.issued2015-
dc.identifier.issn1176-9106-
dc.identifier.urihttp://repository.ajou.ac.kr/handle/201003/14161-
dc.description.abstractBACKGROUND: Bronchoscopic lung volume reduction (BLVR) can be suggested as an alternative for surgical lung volume reduction surgery for severe emphysema patients. This article intends to evaluate by systematic review the safety and effectiveness of BLVR using a one-way endobronchial valve.

METHODS: A systematic search of electronic databases, including MEDLINE, EMBASE, and the Cochrane Library, as well as eight domestic databases up to December 2013, was performed. Two reviewers independently screened all references according to selection criteria. The Scottish Intercollegiate Guidelines Network criterion was used to assess quality of literature. Data from randomized controlled trials were combined and meta-analysis was performed.

RESULTS: This review included 15 studies. Forced expiratory volume in 1 second (FEV1) improved in the intervention group compared with the control group (mean difference [MD]=6.71, 95% confidence interval [CI]: 3.31-10.11). Six-minute walking distance (MD=15.66, 95% CI: 1.69-29.64) and cycle workload (MD=4.43, 95% CI: 1.80-7.07) also improved. In addition, St George's Respiratory Questionnaire score decreased (MD=4.29, 95% CI: -6.87 to -1.71) in the intervention group. In a subgroup analysis of patients with complete fissure, the FEV1 change from baseline was higher in the BLVR group than in the control group for both 6 months (MD=15.28, P<0.001) and 12 months (MD=17.65, P<0.001), whereas for patients with incomplete fissure, FEV1 and 6-minute walking distance showed no change. One-year follow-up randomized controlled trials reported deaths, although the cause of death was not related to BLVR. Respiratory failure and pneumothorax incidence rates were relatively higher in the BLVR group, but the difference was not significant.

CONCLUSION: BLVR may be an effective and safe procedure for the treatment of severe COPD patients with emphysema, based on existing studies.
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dc.language.isoen-
dc.subject.MESHBronchoscopy-
dc.subject.MESHChi-Square Distribution-
dc.subject.MESHExercise Tolerance-
dc.subject.MESHForced Expiratory Volume-
dc.subject.MESHHumans-
dc.subject.MESHLung-
dc.subject.MESHPneumonectomy-
dc.subject.MESHPulmonary Disease, Chronic Obstructive-
dc.subject.MESHPulmonary Emphysema-
dc.subject.MESHRecovery of Function-
dc.subject.MESHSeverity of Illness Index-
dc.subject.MESHTreatment Outcome-
dc.titleEffectiveness of bronchoscopic lung volume reduction using unilateral endobronchial valve: a systematic review and meta-analysis.-
dc.typeArticle-
dc.identifier.pmid25848246-
dc.identifier.urlhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC4386802/-
dc.contributor.affiliatedAuthor신, 승수-
dc.type.localJournal Papers-
dc.identifier.doi10.2147/COPD.S75314-
dc.citation.titleInternational journal of chronic obstructive pulmonary disease-
dc.citation.volume10-
dc.citation.date2015-
dc.citation.startPage703-
dc.citation.endPage710-
dc.identifier.bibliographicCitationInternational journal of chronic obstructive pulmonary disease, 10. : 703-710, 2015-
dc.identifier.eissn1178-2005-
dc.relation.journalidJ011769106-
Appears in Collections:
Journal Papers > School of Medicine / Graduate School of Medicine > Pulmonary & Critical Care Medicine
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