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

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

Author Paisani, Denise M. Autor UNIFESP Google Scholar
Fiore, Julio F. Google Scholar
Lunardi, Adriana C. Google Scholar
Colluci, Daniela B. B. Autor UNIFESP Google Scholar
Santoro, Ilka Lopes Autor UNIFESP Google Scholar
Carvalho, Celso R. F. Google Scholar
Chiavegato, Luciana Dias Autor UNIFESP Google Scholar
Faresin, Sonia Maria Autor UNIFESP Google Scholar
Institution Universidade Federal de São Paulo (UNIFESP)
Universidade de São Paulo (USP)
Univ City São Paulo
Univ Melbourne
Abstract 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.
Keywords exercise
exercise tolerance
post-operative complications
risk factors
surgery
Language English
Sponsor Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
Date 2012-08-01
Published in Respirology. Hoboken: Wiley-Blackwell, v. 17, n. 6, p. 1013-1017, 2012.
ISSN 1323-7799 (Sherpa/Romeo, impact factor)
Publisher Wiley-Blackwell
Extent 1013-1017
Origin http://dx.doi.org/10.1111/j.1440-1843.2012.02202.x
Access rights Closed access
Type Article
Web of Science ID WOS:000306907000018
URI http://repositorio.unifesp.br/handle/11600/35153

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