The six-minute walk test as a measure of postoperative recovery after colorectal resection: further examination of its measurement properties

Introduction Patients, clinicians and researchers seek an easy, reproducible and valid measure of postoperative recovery. The six-minute walk test (6MWT) is a low-cost measure of physical function, which is a relevant dimension of recovery. The aim of the present study was to contribute further evid...

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Veröffentlicht in:Surgical endoscopy 2016-06, Vol.30 (6), p.2199-2206
Hauptverfasser: Pecorelli, Nicolò, Fiore, Julio F., Gillis, Chelsia, Awasthi, Rashami, Mappin-Kasirer, Benjamin, Niculiseanu, Petru, Fried, Gerald M., Carli, Francesco, Feldman, Liane S.
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container_end_page 2206
container_issue 6
container_start_page 2199
container_title Surgical endoscopy
container_volume 30
creator Pecorelli, Nicolò
Fiore, Julio F.
Gillis, Chelsia
Awasthi, Rashami
Mappin-Kasirer, Benjamin
Niculiseanu, Petru
Fried, Gerald M.
Carli, Francesco
Feldman, Liane S.
description Introduction Patients, clinicians and researchers seek an easy, reproducible and valid measure of postoperative recovery. The six-minute walk test (6MWT) is a low-cost measure of physical function, which is a relevant dimension of recovery. The aim of the present study was to contribute further evidence for the validity of the 6MWT as a measure of postoperative recovery after colorectal surgery. Methods This study involved a sample of 174 patients enrolled in three previous randomized controlled trials. Construct validity was assessed by testing the hypotheses that the distance walked in 6 min (6MWD) at 4 weeks after surgery is greater (1) in younger versus older patients, (2) in patients with higher preoperative physical status versus lower, (3) after laparoscopic versus open surgery, (4) in patients without postoperative complications versus with postoperative complications; and that 6MWD (5) correlates cross-sectionally with self-reported physical activity as measured with a questionnaire (CHAMPS). Statistical analysis was performed using linear regression and Spearman’s correlation. The COnsensus-based Standards for the selection of health Measurement INstruments (COSMIN) checklist was used to guide the formulation of hypotheses and reporting of results. Results One hundred and fifty-one patients who completed the 6MWT at 4 weeks after surgery were included in the analysis. All hypotheses tested for construct validity were supported by the data. Older age, poorer physical status, open surgery and occurrence of postoperative complications were associated with clinically relevant reduction in 6MWD (>19 m). There was a moderate positive correlation between 6MWD and patient-reported physical activity ( r  = 0.46). Conclusions This study contributes further evidence for the construct validity of the 6MWT as a measure of postoperative recovery after colorectal surgery. Results from this study support the use of the 6MWT as an outcome measure in studies evaluating interventions aimed to improve postoperative recovery.
doi_str_mv 10.1007/s00464-015-4478-1
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The six-minute walk test (6MWT) is a low-cost measure of physical function, which is a relevant dimension of recovery. The aim of the present study was to contribute further evidence for the validity of the 6MWT as a measure of postoperative recovery after colorectal surgery. Methods This study involved a sample of 174 patients enrolled in three previous randomized controlled trials. Construct validity was assessed by testing the hypotheses that the distance walked in 6 min (6MWD) at 4 weeks after surgery is greater (1) in younger versus older patients, (2) in patients with higher preoperative physical status versus lower, (3) after laparoscopic versus open surgery, (4) in patients without postoperative complications versus with postoperative complications; and that 6MWD (5) correlates cross-sectionally with self-reported physical activity as measured with a questionnaire (CHAMPS). Statistical analysis was performed using linear regression and Spearman’s correlation. The COnsensus-based Standards for the selection of health Measurement INstruments (COSMIN) checklist was used to guide the formulation of hypotheses and reporting of results. Results One hundred and fifty-one patients who completed the 6MWT at 4 weeks after surgery were included in the analysis. All hypotheses tested for construct validity were supported by the data. Older age, poorer physical status, open surgery and occurrence of postoperative complications were associated with clinically relevant reduction in 6MWD (&gt;19 m). There was a moderate positive correlation between 6MWD and patient-reported physical activity ( r  = 0.46). Conclusions This study contributes further evidence for the construct validity of the 6MWT as a measure of postoperative recovery after colorectal surgery. Results from this study support the use of the 6MWT as an outcome measure in studies evaluating interventions aimed to improve postoperative recovery.</description><identifier>ISSN: 0930-2794</identifier><identifier>EISSN: 1432-2218</identifier><identifier>DOI: 10.1007/s00464-015-4478-1</identifier><identifier>PMID: 26310528</identifier><language>eng</language><publisher>New York: Springer US</publisher><subject>Abdominal Surgery ; Aged ; Clinical trials ; Colonic Diseases - physiopathology ; Colonic Diseases - surgery ; Colorectal surgery ; Colorectal Surgery - rehabilitation ; Exercise ; Female ; Gastroenterology ; Gynecology ; Health Status Indicators ; Hepatology ; Hospitals ; Humans ; Hypotheses ; Laparoscopy ; Laparoscopy - rehabilitation ; Male ; Medicine ; Medicine &amp; Public Health ; Nutrition ; Outcome Assessment (Health Care) ; Patients ; Physical fitness ; Postoperative Complications - physiopathology ; Postoperative Complications - rehabilitation ; Postoperative Period ; Proctology ; Recovery (Medical) ; Reproducibility of Results ; Surgery ; Surveys and Questionnaires ; Validation studies ; Validity ; Walk Test ; Walking</subject><ispartof>Surgical endoscopy, 2016-06, Vol.30 (6), p.2199-2206</ispartof><rights>Springer Science+Business Media New York 2015</rights><rights>Springer Science+Business Media New York 2016</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c438t-eca94af6f58317be9fe3295312276448b5e55b67a8a4f81e704166d92753a2e03</citedby><cites>FETCH-LOGICAL-c438t-eca94af6f58317be9fe3295312276448b5e55b67a8a4f81e704166d92753a2e03</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s00464-015-4478-1$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s00464-015-4478-1$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,776,780,27901,27902,41464,42533,51294</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/26310528$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Pecorelli, Nicolò</creatorcontrib><creatorcontrib>Fiore, Julio F.</creatorcontrib><creatorcontrib>Gillis, Chelsia</creatorcontrib><creatorcontrib>Awasthi, Rashami</creatorcontrib><creatorcontrib>Mappin-Kasirer, Benjamin</creatorcontrib><creatorcontrib>Niculiseanu, Petru</creatorcontrib><creatorcontrib>Fried, Gerald M.</creatorcontrib><creatorcontrib>Carli, Francesco</creatorcontrib><creatorcontrib>Feldman, Liane S.</creatorcontrib><title>The six-minute walk test as a measure of postoperative recovery after colorectal resection: further examination of its measurement properties</title><title>Surgical endoscopy</title><addtitle>Surg Endosc</addtitle><addtitle>Surg Endosc</addtitle><description>Introduction Patients, clinicians and researchers seek an easy, reproducible and valid measure of postoperative recovery. The six-minute walk test (6MWT) is a low-cost measure of physical function, which is a relevant dimension of recovery. The aim of the present study was to contribute further evidence for the validity of the 6MWT as a measure of postoperative recovery after colorectal surgery. Methods This study involved a sample of 174 patients enrolled in three previous randomized controlled trials. Construct validity was assessed by testing the hypotheses that the distance walked in 6 min (6MWD) at 4 weeks after surgery is greater (1) in younger versus older patients, (2) in patients with higher preoperative physical status versus lower, (3) after laparoscopic versus open surgery, (4) in patients without postoperative complications versus with postoperative complications; and that 6MWD (5) correlates cross-sectionally with self-reported physical activity as measured with a questionnaire (CHAMPS). Statistical analysis was performed using linear regression and Spearman’s correlation. The COnsensus-based Standards for the selection of health Measurement INstruments (COSMIN) checklist was used to guide the formulation of hypotheses and reporting of results. Results One hundred and fifty-one patients who completed the 6MWT at 4 weeks after surgery were included in the analysis. All hypotheses tested for construct validity were supported by the data. Older age, poorer physical status, open surgery and occurrence of postoperative complications were associated with clinically relevant reduction in 6MWD (&gt;19 m). There was a moderate positive correlation between 6MWD and patient-reported physical activity ( r  = 0.46). Conclusions This study contributes further evidence for the construct validity of the 6MWT as a measure of postoperative recovery after colorectal surgery. 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Allied Health Premium</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>MEDLINE - Academic</collection><jtitle>Surgical endoscopy</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Pecorelli, Nicolò</au><au>Fiore, Julio F.</au><au>Gillis, Chelsia</au><au>Awasthi, Rashami</au><au>Mappin-Kasirer, Benjamin</au><au>Niculiseanu, Petru</au><au>Fried, Gerald M.</au><au>Carli, Francesco</au><au>Feldman, Liane S.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>The six-minute walk test as a measure of postoperative recovery after colorectal resection: further examination of its measurement properties</atitle><jtitle>Surgical endoscopy</jtitle><stitle>Surg Endosc</stitle><addtitle>Surg Endosc</addtitle><date>2016-06-01</date><risdate>2016</risdate><volume>30</volume><issue>6</issue><spage>2199</spage><epage>2206</epage><pages>2199-2206</pages><issn>0930-2794</issn><eissn>1432-2218</eissn><abstract>Introduction Patients, clinicians and researchers seek an easy, reproducible and valid measure of postoperative recovery. The six-minute walk test (6MWT) is a low-cost measure of physical function, which is a relevant dimension of recovery. The aim of the present study was to contribute further evidence for the validity of the 6MWT as a measure of postoperative recovery after colorectal surgery. Methods This study involved a sample of 174 patients enrolled in three previous randomized controlled trials. Construct validity was assessed by testing the hypotheses that the distance walked in 6 min (6MWD) at 4 weeks after surgery is greater (1) in younger versus older patients, (2) in patients with higher preoperative physical status versus lower, (3) after laparoscopic versus open surgery, (4) in patients without postoperative complications versus with postoperative complications; and that 6MWD (5) correlates cross-sectionally with self-reported physical activity as measured with a questionnaire (CHAMPS). Statistical analysis was performed using linear regression and Spearman’s correlation. The COnsensus-based Standards for the selection of health Measurement INstruments (COSMIN) checklist was used to guide the formulation of hypotheses and reporting of results. Results One hundred and fifty-one patients who completed the 6MWT at 4 weeks after surgery were included in the analysis. All hypotheses tested for construct validity were supported by the data. Older age, poorer physical status, open surgery and occurrence of postoperative complications were associated with clinically relevant reduction in 6MWD (&gt;19 m). There was a moderate positive correlation between 6MWD and patient-reported physical activity ( r  = 0.46). Conclusions This study contributes further evidence for the construct validity of the 6MWT as a measure of postoperative recovery after colorectal surgery. Results from this study support the use of the 6MWT as an outcome measure in studies evaluating interventions aimed to improve postoperative recovery.</abstract><cop>New York</cop><pub>Springer US</pub><pmid>26310528</pmid><doi>10.1007/s00464-015-4478-1</doi><tpages>8</tpages></addata></record>
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subjects Abdominal Surgery
Aged
Clinical trials
Colonic Diseases - physiopathology
Colonic Diseases - surgery
Colorectal surgery
Colorectal Surgery - rehabilitation
Exercise
Female
Gastroenterology
Gynecology
Health Status Indicators
Hepatology
Hospitals
Humans
Hypotheses
Laparoscopy
Laparoscopy - rehabilitation
Male
Medicine
Medicine & Public Health
Nutrition
Outcome Assessment (Health Care)
Patients
Physical fitness
Postoperative Complications - physiopathology
Postoperative Complications - rehabilitation
Postoperative Period
Proctology
Recovery (Medical)
Reproducibility of Results
Surgery
Surveys and Questionnaires
Validation studies
Validity
Walk Test
Walking
title The six-minute walk test as a measure of postoperative recovery after colorectal resection: further examination of its measurement properties
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