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500 Meters Is a Result of 6-Minute Walk Test Which Differentiates Patients with High and Low Risk of Postoperative Complications after Lobectomy—A Validation Study

The 6-min walk test (6MWT) is a simple method of identifying patients with a high risk of postoperative complications. In this study, we internally validated the previously obtained threshold value of 500 m in the 6MWT as differentiating populations with a high and a low risk of postoperative compli...

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Autores principales: Marjanski, Tomasz, Wnuk, Damian, Dziedzic, Robert, Ostrowski, Marcin, Sawicka, Wioletta, Rzyman, Witold
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2021
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8070994/
https://www.ncbi.nlm.nih.gov/pubmed/33919996
http://dx.doi.org/10.3390/jcm10081686
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author Marjanski, Tomasz
Wnuk, Damian
Dziedzic, Robert
Ostrowski, Marcin
Sawicka, Wioletta
Rzyman, Witold
author_facet Marjanski, Tomasz
Wnuk, Damian
Dziedzic, Robert
Ostrowski, Marcin
Sawicka, Wioletta
Rzyman, Witold
author_sort Marjanski, Tomasz
collection PubMed
description The 6-min walk test (6MWT) is a simple method of identifying patients with a high risk of postoperative complications. In this study, we internally validated the previously obtained threshold value of 500 m in the 6MWT as differentiating populations with a high and a low risk of postoperative complications after a lobectomy. Between November 2011 and November 2016, 624 patients who underwent a lobectomy and performed the 6MWT preoperatively entered this study. We compared the complication rates of two groups of patients—those who walked more than and those who walked less than 500 m. The patients who did not reach the distance of 500 m in the 6MWT were older (70 vs. 63 years p < 0.001), had worse pulmonary function tests (FEV1% 84 vs. 88 p = 0.041) and had a higher Charlson Comorbidity Index (p < 0.001). The patients who had a worse result in the 6MWT had a higher complication rate (52% vs. 42% p = 0.019; OR: 1.501 95% CI: 1.066–2.114) and a longer median postoperative hospital stay (7 vs. 6 days p = 0.010). In a multivariate analysis, the result of the 6MWT and pack-years proved to independently influence the risk of postoperative complications. This internal validation study confirms that 500 m is a result of the 6MWT which differentiates patients with a higher risk of postoperative complications and a prolonged hospital stay after a lobectomy.
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spelling pubmed-80709942021-04-26 500 Meters Is a Result of 6-Minute Walk Test Which Differentiates Patients with High and Low Risk of Postoperative Complications after Lobectomy—A Validation Study Marjanski, Tomasz Wnuk, Damian Dziedzic, Robert Ostrowski, Marcin Sawicka, Wioletta Rzyman, Witold J Clin Med Article The 6-min walk test (6MWT) is a simple method of identifying patients with a high risk of postoperative complications. In this study, we internally validated the previously obtained threshold value of 500 m in the 6MWT as differentiating populations with a high and a low risk of postoperative complications after a lobectomy. Between November 2011 and November 2016, 624 patients who underwent a lobectomy and performed the 6MWT preoperatively entered this study. We compared the complication rates of two groups of patients—those who walked more than and those who walked less than 500 m. The patients who did not reach the distance of 500 m in the 6MWT were older (70 vs. 63 years p < 0.001), had worse pulmonary function tests (FEV1% 84 vs. 88 p = 0.041) and had a higher Charlson Comorbidity Index (p < 0.001). The patients who had a worse result in the 6MWT had a higher complication rate (52% vs. 42% p = 0.019; OR: 1.501 95% CI: 1.066–2.114) and a longer median postoperative hospital stay (7 vs. 6 days p = 0.010). In a multivariate analysis, the result of the 6MWT and pack-years proved to independently influence the risk of postoperative complications. This internal validation study confirms that 500 m is a result of the 6MWT which differentiates patients with a higher risk of postoperative complications and a prolonged hospital stay after a lobectomy. MDPI 2021-04-14 /pmc/articles/PMC8070994/ /pubmed/33919996 http://dx.doi.org/10.3390/jcm10081686 Text en © 2021 by the authors. https://creativecommons.org/licenses/by/4.0/Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
spellingShingle Article
Marjanski, Tomasz
Wnuk, Damian
Dziedzic, Robert
Ostrowski, Marcin
Sawicka, Wioletta
Rzyman, Witold
500 Meters Is a Result of 6-Minute Walk Test Which Differentiates Patients with High and Low Risk of Postoperative Complications after Lobectomy—A Validation Study
title 500 Meters Is a Result of 6-Minute Walk Test Which Differentiates Patients with High and Low Risk of Postoperative Complications after Lobectomy—A Validation Study
title_full 500 Meters Is a Result of 6-Minute Walk Test Which Differentiates Patients with High and Low Risk of Postoperative Complications after Lobectomy—A Validation Study
title_fullStr 500 Meters Is a Result of 6-Minute Walk Test Which Differentiates Patients with High and Low Risk of Postoperative Complications after Lobectomy—A Validation Study
title_full_unstemmed 500 Meters Is a Result of 6-Minute Walk Test Which Differentiates Patients with High and Low Risk of Postoperative Complications after Lobectomy—A Validation Study
title_short 500 Meters Is a Result of 6-Minute Walk Test Which Differentiates Patients with High and Low Risk of Postoperative Complications after Lobectomy—A Validation Study
title_sort 500 meters is a result of 6-minute walk test which differentiates patients with high and low risk of postoperative complications after lobectomy—a validation study
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8070994/
https://www.ncbi.nlm.nih.gov/pubmed/33919996
http://dx.doi.org/10.3390/jcm10081686
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