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    
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.
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    
R: Copacabana 415/184, São Paulo, Brazil 02461-000.
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