Document Detail


Improvements in the 6-min walk test and spirometry following thoracentesis for symptomatic pleural effusions.
MedLine Citation:
PMID:  21051387     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
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.
Authors:
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:
Type:  Journal Article     Date:  2010-11-04
Journal Detail:
Title:  Chest     Volume:  139     ISSN:  1931-3543     ISO Abbreviation:  Chest     Publication Date:  2011 Jun 
Date Detail:
Created Date:  2011-06-09     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0231335     Medline TA:  Chest     Country:  United States    
Other Details:
Languages:  eng     Pagination:  1424-9     Citation Subset:  AIM; IM    
Affiliation:
R: Copacabana 415/184, São Paulo, Brazil 02461-000. lisetepneumo@yahoo.com.br.
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