Preoperative 6-min walking distance does not predict pulmonary complications in upper abdominal surgery

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Citações na Scopus
21
Tipo de produção
article
Data de publicação
2012
Editora
WILEY-BLACKWELL
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Autores
PAISANI, Denise M.
FIORE JR., Julio F.
COLLUCI, Daniela B. B.
SANTORO, Ilka Lopes
CHIAVEGATO, Luciana Dias
FARESIN, Sonia Maria
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Citação
RESPIROLOGY, v.17, n.6, p.1013-1017, 2012
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Resumo
Background and objective: Field exercise tests have been increasingly used for pulmonary risk assessment. The 6-min walking distance (6MWD) is a field test commonly employed in clinical practice; however, there is limited evidence supporting its use as a risk assessment method in abdominal surgery. The aim was to assess if the 6MWD can predict the development of post-operative pulmonary complications (PPCs) in patients having upper abdominal surgery (UAS). Methods: This prospective cohort study included 137 consecutive subjects undergoing elective UAS. Subjects performed the 6MWD on the day prior to surgery, and their performance were compared with predicted values of 6MWD (p6MWD) using a previously validated formula. PPCs (including pneumonia, tracheobronchitis, atelectasis with clinical repercussions, bronchospasm and acute respiratory failure) were assessed daily by a pulmonologist blinded to the 6MWD results. 6MWD and p6MWD were compared between subjects who developed PPC (PPC group) and those who did not (no PPC group) using Student's t-test. Results: Ten subjects experienced PPC (7.2%) and no significant difference was observed between the 6MWD obtained in the PPC group and no PPC group (466.0 +/- 97.0 m vs 485.3 +/- 107.1 m; P = 0.57, respectively). There was also no significant difference observed between groups for the p6MWD (100.7 +/- 29.1% vs 90.6 -/+ 20.9%; P > 0.05). Conclusions: The results of the present study suggest that the 6-min walking test is not a useful tool to identify subjects with increased risk of developing PPC following UAS.
Palavras-chave
exercise tolerance, post-operative complications, risk factors, surgery
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