Repeat six-minute walk tests in patients with chronic heart failure: Are they clinically necessary?

Adsett, Julie, Mullins, Robert, Hwang, Rita, Hogden, Amy, Gibson, Ellen, Houlihan, Kylie, Tuppin, Michael, Korczyk, Dariusz, Mallitt, Kylie-Ann and Mudge, Alison (2011) Repeat six-minute walk tests in patients with chronic heart failure: Are they clinically necessary?. European Journal of Cardiovascular Prevention and Rehabilitation, 18 4: 601-606. doi:10.1177/1741826710389403

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Author Adsett, Julie
Mullins, Robert
Hwang, Rita
Hogden, Amy
Gibson, Ellen
Houlihan, Kylie
Tuppin, Michael
Korczyk, Dariusz
Mallitt, Kylie-Ann
Mudge, Alison
Title Repeat six-minute walk tests in patients with chronic heart failure: Are they clinically necessary?
Journal name European Journal of Cardiovascular Prevention and Rehabilitation   Check publisher's open access policy
ISSN 1741-8267
2047-4881
Publication date 2011-08
Sub-type Article (original research)
DOI 10.1177/1741826710389403
Volume 18
Issue 4
Start page 601
End page 606
Total pages 6
Place of publication London, United Kingdom
Publisher Sage Publications
Collection year 2012
Language eng
Formatted abstract
Background: Owing to a reported learning effect in patients with chronic cardiopulmonary disease, performance of at least two six-minute walk tests (6MWT) are recommended as standard practice. Patients with chronic heart failure (CHF) are typically elderly and frail and it is unknown whether current guidelines are practical in a clinical setting.

Aims: The aim of this study was to determine whether repeat performance of 6MWTs in patients with CHF is related to between-test interval or baseline performance.

Methods: This was a multisite observational study enrolling participants entering into heart failure rehabilitation programmes. Participants performed two 6MWTs with randomly allocated inter-test intervals between 15 and 90 minutes. Distance walked in the second test was compared with the first test using a paired t test.

Results: Eighty-eight participants (45 females, age 65±14 years) with stable CHF were enrolled. Mean distance walked increased from 301 metres in test 1 to 313 metres in test 2 (p<0.001). No significant change was recorded between test 1 and test 2 for those whose baseline distance was <300 metres. The interval between tests had no significant effect on the distance walked.

Conclusion: The change in 6MWT distance was significantly associated with better baseline performance but not with the interval between tests.
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collections: Official 2012 Collection
School of Medicine Publications
 
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Created: Mon, 12 Dec 2011, 09:41:34 EST by Matthew Lamb on behalf of School of Medicine