| Improvements in the 6-min walk test and spirometry following thoracentesis for symptomatic pleural effusions. | |
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MedLine Citation:
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PMID: 21051387 Owner: NLM Status: In-Data-Review |
Abstract/OtherAbstract:
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BACKGROUND: Impairment in pulmonary capacity due to pleural effusion compromises daily activity. Removal of fluid improves symptoms, but the impact, especially on exercise capacity, has not been determined. METHODS: Twenty-five patients with unilateral pleural effusion documented by chest radiograph were included. The 6-min walk test, Borg modified dyspnea score, FVC, and FEV(1) were analyzed before and 48 h after the removal of large pleural effusions. RESULTS: The mean fluid removed was 1,564 ± 695 mL. After the procedure, values of FVC, FEV(1), and 6-min walk distance increased (P < .001), whereas dyspnea decreased (P < .001). Statistical correlations (P < .001) between 6-min walk distance and FVC (r = 0.725) and between 6-min walk distance and FEV(1) (r = 0.661) were observed. Correlations also were observed between the deltas (prethoracentesis × postthoracentesis) of the 6-min walk test and the percentage of FVC (r = 0.450) and of FEV(1) (r = 0.472) divided by the volume of fluid removed (P < .05). CONCLUSION: In addition to the improvement in lung function after thoracentesis, the benefits of fluid removal are more evident in situations of exertion, allowing better readaptation of patients to routine activities. |
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Authors:
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Ana Maria Cartaxo; Francisco S Vargas; João Marcos Salge; Bianca F Marcondes; Eduardo H Genofre; Leila Antonangelo; Evaldo Marchi; Lisete R Teixeira |
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Publication Detail:
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Type: Journal Article Date: 2010-11-04 |
Journal Detail:
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Title: Chest Volume: 139 ISSN: 1931-3543 ISO Abbreviation: Chest Publication Date: 2011 Jun |
Date Detail:
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Created Date: 2011-06-09 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 0231335 Medline TA: Chest Country: United States |
Other Details:
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Languages: eng Pagination: 1424-9 Citation Subset: AIM; IM |
Affiliation:
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R: Copacabana 415/184, São Paulo, Brazil 02461-000. lisetepneumo@yahoo.com.br. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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