Heart failure: comparison between six-minute walk test and cardiopulmonary test
Chronic heart failure (HF) is a syndrome characterized by reduced cardiac output in relation to the metabolic needs of the organism, as well as metabolic and neurohormonal axis abnormalities. Symptoms such as fatigue and dyspnoea are notorious and stress tests are widely used to assess functional ca...
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Veröffentlicht in: | Arquivos brasileiros de cardiologia 2011-07, Vol.97 (1), p.59-64 |
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creator | Carvalho, Eduardo Elias Vieira de Costa, Daniela Caetano Crescêncio, Júlio César Santi, Giovani Luiz De Papa, Valéria Marques, Fabiana Schmidt, André Marin-Neto, José Antonio Simões, Marcus Vinícius Gallo Junior, Lourenço |
description | Chronic heart failure (HF) is a syndrome characterized by reduced cardiac output in relation to the metabolic needs of the organism, as well as metabolic and neurohormonal axis abnormalities. Symptoms such as fatigue and dyspnoea are notorious and stress tests are widely used to assess functional capacity, prognosis and effectiveness of therapeutic interventions in this syndrome.
To evaluate the reproducibility of the six-minute walk test (6MW) in patients with HF and correlate the magnitude of the variables reached at peak exercise of the 6MWT with a cardiopulmonary exercise test (CPET).
We studied 16 patients (12 men and 4 women) diagnosed with HF FC I-II (NYHA). The volunteers underwent two 6MWT (6MWT'1 and 6MWT'2) with 30-minute interval between them; then, they underwent a maximum CPET.
All variables obtained in the two 6MWT' proved to be significant with high correlations: distance walked (DW) (r = 0.93, p < 0.0001), heart rate (HR) (r = 0.89, p < 0.0001), oxygen consumption (VO2) (r = 0.93, p < 0.0001) and scale of perceived exertion (r = 0.85, p < 0.0001). In turn, all variables analyzed in the 6MWT' showed significant and moderate correlations with the variables obtained from the CPET, namely: peak HR (r = 0.66; p = 0.005); VO2 (r = 0.57; p = 0.02) and VO2 in the CPET and DT in the 6MWT'2 (r = 0.70; p = 0.002).
The 6MWT was reproducible in this group of patients with HF (NYHA - I-II) and correlated with the CPET. Therefore, it is a tool for reliable evaluation, and a suitable, safe and low-cost alternative for the prescription of aerobic exercise in patients with HF. |
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To evaluate the reproducibility of the six-minute walk test (6MW) in patients with HF and correlate the magnitude of the variables reached at peak exercise of the 6MWT with a cardiopulmonary exercise test (CPET).
We studied 16 patients (12 men and 4 women) diagnosed with HF FC I-II (NYHA). The volunteers underwent two 6MWT (6MWT'1 and 6MWT'2) with 30-minute interval between them; then, they underwent a maximum CPET.
All variables obtained in the two 6MWT' proved to be significant with high correlations: distance walked (DW) (r = 0.93, p < 0.0001), heart rate (HR) (r = 0.89, p < 0.0001), oxygen consumption (VO2) (r = 0.93, p < 0.0001) and scale of perceived exertion (r = 0.85, p < 0.0001). In turn, all variables analyzed in the 6MWT' showed significant and moderate correlations with the variables obtained from the CPET, namely: peak HR (r = 0.66; p = 0.005); VO2 (r = 0.57; p = 0.02) and VO2 in the CPET and DT in the 6MWT'2 (r = 0.70; p = 0.002).
The 6MWT was reproducible in this group of patients with HF (NYHA - I-II) and correlated with the CPET. Therefore, it is a tool for reliable evaluation, and a suitable, safe and low-cost alternative for the prescription of aerobic exercise in patients with HF.</description><identifier>EISSN: 1678-4170</identifier><identifier>PMID: 21552646</identifier><language>eng</language><publisher>Brazil</publisher><subject>Aged ; Exercise Test ; Exercise Tolerance - physiology ; Female ; Heart Failure - physiopathology ; Humans ; Male ; Middle Aged ; Oxygen Consumption - physiology ; Predictive Value of Tests ; Reproducibility of Results ; Respiratory Function Tests ; Statistics, Nonparametric ; Time Factors ; Walking - physiology</subject><ispartof>Arquivos brasileiros de cardiologia, 2011-07, Vol.97 (1), p.59-64</ispartof><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>315,782,786</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/21552646$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Carvalho, Eduardo Elias Vieira de</creatorcontrib><creatorcontrib>Costa, Daniela Caetano</creatorcontrib><creatorcontrib>Crescêncio, Júlio César</creatorcontrib><creatorcontrib>Santi, Giovani Luiz De</creatorcontrib><creatorcontrib>Papa, Valéria</creatorcontrib><creatorcontrib>Marques, Fabiana</creatorcontrib><creatorcontrib>Schmidt, André</creatorcontrib><creatorcontrib>Marin-Neto, José Antonio</creatorcontrib><creatorcontrib>Simões, Marcus Vinícius</creatorcontrib><creatorcontrib>Gallo Junior, Lourenço</creatorcontrib><title>Heart failure: comparison between six-minute walk test and cardiopulmonary test</title><title>Arquivos brasileiros de cardiologia</title><addtitle>Arq Bras Cardiol</addtitle><description>Chronic heart failure (HF) is a syndrome characterized by reduced cardiac output in relation to the metabolic needs of the organism, as well as metabolic and neurohormonal axis abnormalities. Symptoms such as fatigue and dyspnoea are notorious and stress tests are widely used to assess functional capacity, prognosis and effectiveness of therapeutic interventions in this syndrome.
To evaluate the reproducibility of the six-minute walk test (6MW) in patients with HF and correlate the magnitude of the variables reached at peak exercise of the 6MWT with a cardiopulmonary exercise test (CPET).
We studied 16 patients (12 men and 4 women) diagnosed with HF FC I-II (NYHA). The volunteers underwent two 6MWT (6MWT'1 and 6MWT'2) with 30-minute interval between them; then, they underwent a maximum CPET.
All variables obtained in the two 6MWT' proved to be significant with high correlations: distance walked (DW) (r = 0.93, p < 0.0001), heart rate (HR) (r = 0.89, p < 0.0001), oxygen consumption (VO2) (r = 0.93, p < 0.0001) and scale of perceived exertion (r = 0.85, p < 0.0001). In turn, all variables analyzed in the 6MWT' showed significant and moderate correlations with the variables obtained from the CPET, namely: peak HR (r = 0.66; p = 0.005); VO2 (r = 0.57; p = 0.02) and VO2 in the CPET and DT in the 6MWT'2 (r = 0.70; p = 0.002).
The 6MWT was reproducible in this group of patients with HF (NYHA - I-II) and correlated with the CPET. Therefore, it is a tool for reliable evaluation, and a suitable, safe and low-cost alternative for the prescription of aerobic exercise in patients with HF.</description><subject>Aged</subject><subject>Exercise Test</subject><subject>Exercise Tolerance - physiology</subject><subject>Female</subject><subject>Heart Failure - physiopathology</subject><subject>Humans</subject><subject>Male</subject><subject>Middle Aged</subject><subject>Oxygen Consumption - physiology</subject><subject>Predictive Value of Tests</subject><subject>Reproducibility of Results</subject><subject>Respiratory Function Tests</subject><subject>Statistics, Nonparametric</subject><subject>Time Factors</subject><subject>Walking - physiology</subject><issn>1678-4170</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2011</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNo1kE1LxDAYhIMg7rr6FyQ3T4XkTZM23mRRV1jYi55L2ryBaPphkrL67y26e5rDPMwMc0HWXFV1UfKKrch1Sh-MAVRCXpEVcClBlWpNDjs0MVNnfJgjPtBu7CcTfRoH2mI-Ig40-e-i98OckR5N-KQZU6ZmsLQz0fpxmkM_Dib-_Bk35NKZkPD2pBvy_vz0tt0V-8PL6_ZxX0zAWS5AaQXGgMLSWMlAA5NMQNmCU5XlQnfWOVtqrZy2NYPWiYUE0dUVAjomNuT-P3eK49e8FDe9Tx2GYAYc59TUupacc10u5N2JnNsebTNF3y9rm_MH4hcI6Fe1</recordid><startdate>201107</startdate><enddate>201107</enddate><creator>Carvalho, Eduardo Elias Vieira de</creator><creator>Costa, Daniela Caetano</creator><creator>Crescêncio, Júlio César</creator><creator>Santi, Giovani Luiz De</creator><creator>Papa, Valéria</creator><creator>Marques, Fabiana</creator><creator>Schmidt, André</creator><creator>Marin-Neto, José Antonio</creator><creator>Simões, Marcus Vinícius</creator><creator>Gallo Junior, Lourenço</creator><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>7X8</scope></search><sort><creationdate>201107</creationdate><title>Heart failure: comparison between six-minute walk test and cardiopulmonary test</title><author>Carvalho, Eduardo Elias Vieira de ; Costa, Daniela Caetano ; Crescêncio, Júlio César ; Santi, Giovani Luiz De ; Papa, Valéria ; Marques, Fabiana ; Schmidt, André ; Marin-Neto, José Antonio ; Simões, Marcus Vinícius ; Gallo Junior, Lourenço</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-p210t-26962aa26e4ad50292050324b2f67d139cdffd4996f9d802bf3e4a23c87e2ef03</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2011</creationdate><topic>Aged</topic><topic>Exercise Test</topic><topic>Exercise Tolerance - physiology</topic><topic>Female</topic><topic>Heart Failure - physiopathology</topic><topic>Humans</topic><topic>Male</topic><topic>Middle Aged</topic><topic>Oxygen Consumption - physiology</topic><topic>Predictive Value of Tests</topic><topic>Reproducibility of Results</topic><topic>Respiratory Function Tests</topic><topic>Statistics, Nonparametric</topic><topic>Time Factors</topic><topic>Walking - physiology</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Carvalho, Eduardo Elias Vieira de</creatorcontrib><creatorcontrib>Costa, Daniela Caetano</creatorcontrib><creatorcontrib>Crescêncio, Júlio César</creatorcontrib><creatorcontrib>Santi, Giovani Luiz De</creatorcontrib><creatorcontrib>Papa, Valéria</creatorcontrib><creatorcontrib>Marques, Fabiana</creatorcontrib><creatorcontrib>Schmidt, André</creatorcontrib><creatorcontrib>Marin-Neto, José Antonio</creatorcontrib><creatorcontrib>Simões, Marcus Vinícius</creatorcontrib><creatorcontrib>Gallo Junior, Lourenço</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>MEDLINE - Academic</collection><jtitle>Arquivos brasileiros de cardiologia</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Carvalho, Eduardo Elias Vieira de</au><au>Costa, Daniela Caetano</au><au>Crescêncio, Júlio César</au><au>Santi, Giovani Luiz De</au><au>Papa, Valéria</au><au>Marques, Fabiana</au><au>Schmidt, André</au><au>Marin-Neto, José Antonio</au><au>Simões, Marcus Vinícius</au><au>Gallo Junior, Lourenço</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Heart failure: comparison between six-minute walk test and cardiopulmonary test</atitle><jtitle>Arquivos brasileiros de cardiologia</jtitle><addtitle>Arq Bras Cardiol</addtitle><date>2011-07</date><risdate>2011</risdate><volume>97</volume><issue>1</issue><spage>59</spage><epage>64</epage><pages>59-64</pages><eissn>1678-4170</eissn><abstract>Chronic heart failure (HF) is a syndrome characterized by reduced cardiac output in relation to the metabolic needs of the organism, as well as metabolic and neurohormonal axis abnormalities. Symptoms such as fatigue and dyspnoea are notorious and stress tests are widely used to assess functional capacity, prognosis and effectiveness of therapeutic interventions in this syndrome.
To evaluate the reproducibility of the six-minute walk test (6MW) in patients with HF and correlate the magnitude of the variables reached at peak exercise of the 6MWT with a cardiopulmonary exercise test (CPET).
We studied 16 patients (12 men and 4 women) diagnosed with HF FC I-II (NYHA). The volunteers underwent two 6MWT (6MWT'1 and 6MWT'2) with 30-minute interval between them; then, they underwent a maximum CPET.
All variables obtained in the two 6MWT' proved to be significant with high correlations: distance walked (DW) (r = 0.93, p < 0.0001), heart rate (HR) (r = 0.89, p < 0.0001), oxygen consumption (VO2) (r = 0.93, p < 0.0001) and scale of perceived exertion (r = 0.85, p < 0.0001). In turn, all variables analyzed in the 6MWT' showed significant and moderate correlations with the variables obtained from the CPET, namely: peak HR (r = 0.66; p = 0.005); VO2 (r = 0.57; p = 0.02) and VO2 in the CPET and DT in the 6MWT'2 (r = 0.70; p = 0.002).
The 6MWT was reproducible in this group of patients with HF (NYHA - I-II) and correlated with the CPET. Therefore, it is a tool for reliable evaluation, and a suitable, safe and low-cost alternative for the prescription of aerobic exercise in patients with HF.</abstract><cop>Brazil</cop><pmid>21552646</pmid><tpages>6</tpages></addata></record> |
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subjects | Aged Exercise Test Exercise Tolerance - physiology Female Heart Failure - physiopathology Humans Male Middle Aged Oxygen Consumption - physiology Predictive Value of Tests Reproducibility of Results Respiratory Function Tests Statistics, Nonparametric Time Factors Walking - physiology |
title | Heart failure: comparison between six-minute walk test and cardiopulmonary test |
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