EXERCISE CAPACITY PERFORMANCE USING A MODIFIED SIX-MINUTE WALK TEST IN CHILDREN WHO ARE HEALTHY WEIGHT, OVERWEIGHT AND OBESE.

Background: The six-minute walk test (6MWT) is commonly used to assess functional exercise capacity in patients with heart or lung disease. However, its ability to predict events in patients with stable ischemic heart disease (IHD) is unknown. Methods: We measured 6MWT distance and treadmill exercise capacity in 556 outpatients with stable IHD between September 2000 and December 2002. Participants were followed for an average of 7.7 years to determine cardiovascular (CV) events (myocardial infarction, heart failure, or death). We used Cox proportional hazards models to evaluate 6MWT distance and treadmill exercise capacity as predictors of subsequent events. Results: Among the 556 patients, there were 82 heart failure hospitalizations, 63 myocardial infarctions, and 184 deaths from any cause. Patients in the lowest quartile of 6MWT distance (284-1375 ft) were 3 times as likely as patients in the highest quartile (1786-2746 ft) to experience CV events (62% vs. 22%, age-adjusted HR 3.15, 95%CI 1.98-5.03, p<0.0001). Each standard deviation (SD) decrease in 6MWT distance (342 ft) was associated with an 86% greater risk of heart failure (age-adjusted HR 1.86, 95%CI 1.51-2.31, p<0.0001), a 47% greater risk of myocardial infarction (age-adjusted HR 1.47, 95%CI 1.15-1.89, p=0.002), a 54% greater risk of death (age-adjusted HR 1.54, 95%CI 1.32-1.80, p<0.0001), and a 55% greater risk of any event (age-adjusted HR 1.55, 95%CI 1.35-1.78, p<0.0001). After adjustment for traditional risk factors and measures of cardiac disease severity (left ventricular ejection fraction, inducible ischemia, diastolic dysfunction, NT-proBNP and CRP), each SD decrease in 6MWT remained associated with a 38% greater risk of CV events (HR 1.38, 95%CI 1.10-1.74, p=0.005). 6MWT distance was similar to treadmill exercise capacity for predicting CV events (age-adjusted c-statistics 0.72 vs. 0.71, p=0.73 for comparison). Conclusions: Distance walked on 6MWT is as good as treadmill exercise capacity for predicting CV events in patients with stable IHD.

Download Full-text

Self-reported physical activity versus physical function capacity: alternatives for energy expenditure estimation

Rehabilitacja Medyczna ◽

10.5604/01.3001.0009.5479 ◽

2017 ◽

Vol 20 (4) ◽

pp. 4-12

Author(s):

Chidozie E. Mbada ◽

Temitope A. Osifeso ◽

Olubusola E. Johnson ◽

Adaobi M. Okonji ◽

Emmanuel A. Odeyemi

Keyword(s):

Physical Activity ◽

Young Adults ◽

Energy Expenditure ◽

Physical Function ◽

Exercise Capacity ◽

Self Report ◽

Walk Test ◽

Six Minute Walk Test ◽

The Mean ◽

Minute Walk

The extent to which self-report activity measured by the International Physical Activity Questionnaire (IPAQ) can substitute performance-based functional capacity measured by the Six-Minute Walk Test (6MWT) remains inconclusive. This study assessed Physical Activity (PA) and Functional Exercise Capacity (FEC); and also determined the relationship between PA and FEC in apparently healthy young adults. A total of 342 (145 males and 197 females) undergraduates of Obafemi Awolowo University, Ile-Ile, Nigeria participated in the study. The IPAQ was used to assess PA, while FEC was assessed using the 6MWT, and expressed in terms of the Six-Minute Walk Distance (6MWD), Six-Minute Walk Work (6MWW), Maximum Oxygen Uptake (VO2max) and Metabolic Equivalent (METS). Anthropometric and cardiovascular parameters were measured following standardized procedures. Data was analyzed using descriptive and inferential statistics. The alpha level was set at 0.05. The mean age of the participants was 22.0±2.87 years. The mean IPAQ score of all participants was 1471.4±1086.93. The percentage for low, moderate and high PA was 19% (65), 41.2% (141) and 39.8% (136), respectively. The mean 6MWD, 6MWW, VO2max and METS were 639.47 ±66.6 m, 41805.0 ±8520.6 kg·m, 28.9 ±1.92 mlO2k-1min-1, 4.05 ±0.32 mL/kg, respectively. There were signifi cant positive correlations between PA and each of the 6MWD (r=0.268; p=0.001), 6MWW (r=0.219; p=0.001), VO2max (r=0.268; p=0.001), METS (r=0.268; p=0.001). Measures of exercise capacity were not signifi cantly correlated with the anthropometric variables (p>0.05). Self-report of physical activity in healthy young adults does not adequately substitute the results of the Six-Minute Walk Test. Mbada Ch.E., Osifeso T.A., Johnson O.E., Okonji A.M., Odeyemi E.A. Self-reported physical activity versus physical function capacity: alternatives for energy expenditure estimation. Med Rehabil 2016; 20(4): 4-12. DOI: 10.5604/01.3001.0009.5479 null

Download Full-text

Study to assess exercise capacity in patients with copd on pulmonary rehabilitation through six minute walk test

IP Indian Journal of Immunology and Respiratory Medicine ◽

10.18231/j.ijirm.2019.040 ◽

2019 ◽

Vol 4 (3) ◽

pp. 181-184

Author(s):

Kanabur Prashanth ◽

Kolla Vinod ◽

K N. Mohan Rao ◽

Rohit R Chandran ◽

K Thirthashree

Keyword(s):

Exercise Capacity ◽

Pulmonary Rehabilitation ◽

Walk Test ◽

Six Minute Walk Test ◽

Minute Walk

Download Full-text

EXERCISE CAPACITY IN CHILDREN AND ADOLESCENTS WITH POST-INFECTIOUS BRONCHIOLITIS OBLITERANS: A SYSTEMATIC REVIEW

Revista Paulista de Pediatria ◽

10.1590/1984-0462/;2019;37;2;00017 ◽

2019 ◽

Vol 37 (2) ◽

pp. 234-240

Author(s):

Camila Menna Barros Rodrigues ◽

Daniele Schiwe ◽

Natália Evangelista de Campos ◽

Fabiana Niederauer ◽

João Paulo Heinzmann-Filho

Keyword(s):

Systematic Review ◽

Children And Adolescents ◽

Exercise Capacity ◽

Bronchiolitis Obliterans ◽

Methodological Quality ◽

Walk Test ◽

Cardiopulmonary Exercise ◽

Six Minute Walk Test ◽

Minute Walk ◽

Post Infectious

ABSTRACT Objective: To evaluate exercise capacity in children and adolescents with post-infectious bronchiolitis obliterans. Data source: This is a systematic review based on data from PubMed, Literatura Latino-Americana e do Caribe em Ciências da Saúde (LILACS), Scientific Electronic Library Online (SciELO), and Physiotherapy Evidence Database (PEDro). We used the following search strategy: “Exercise capacity OR Exercise Test OR Physical fitness OR Functional capacity OR Six-minute walk test OR Shuttle walk test OR Cardiopulmonary exercise test AND Bronchiolitis obliterans.” We selected studies that evaluated exercise capacity through maximal/submaximal testing in children and adolescents with post-infectious bronchiolitis obliterans, and no other associated disease. We searched articles in English, Portuguese, and Spanish, without restrictions regarding the period of publication. The methodological quality was assessed by the Agency for Healthcare Research and Quality (AHRQ) protocol. Data synthesis: Out of the 81 articles found, only 4 were included in this review. The studies totaled 135 participants (121 with post-infectious bronchiolitis obliterans and 14 healthy), with sample sizes between 14 and 58 subjects. All patients underwent spirometry to evaluate pulmonary function, indicating an obstructive ventilatory pattern. Among them, 3/4 had their physical performance assessed by the six-minute walk test and 2/4 by the cardiopulmonary exercise testing. These test results were compared to those of a control group (1/4) and presented as percentage of predicted and/or in meters (3/4). Lastly, 3/4 of the studies showed reduced exercise capacity in this population. The studies included were classified as having high methodological quality. Conclusions: Findings of the study demonstrate that children and adolescents with post-infectious bronchiolitis obliterans have reduced exercise capacity.

Download Full-text

Utility of the six-minute walk test in patients with idiopathic pulmonary fibrosis

Multidisciplinary Respiratory Medicine ◽

10.4081/mrm.2018.215 ◽

2018 ◽

Vol 13 ◽

Cited By ~ 1

Author(s):

Lisa Lancaster

Keyword(s):

Idiopathic Pulmonary Fibrosis ◽

Pulmonary Fibrosis ◽

Exercise Capacity ◽

Supplemental Oxygen ◽

Walk Test ◽

Six Minute Walk Test ◽

Number Of Factors ◽

Functional Exercise ◽

Functional Exercise Capacity ◽

Minute Walk

The six-minute walk test (6MWT) is a simple test that is widely used to assess functional exercise capacity in patients with idiopathic pulmonary fibrosis (IPF). Patients with IPF have reduced exercise capacity due to a number of factors, such as impaired respiratory mechanics and circulatory problems. As a self-paced and usually submaximal exercise test, the 6MWT reflects the exercise level of everyday activities. Variables measured during the 6MWT, such as six-minute walk distance (6MWD) and desaturation, are strong predictors of mortality in patients with IPF. However, the results of a 6MWT are affected by numerous factors, including age, body size, comorbidities and the use of supplemental oxygen during the test, and these need to be borne in mind when interpreting the results of individual and serial tests. Clinical studies, including trials of potential therapies for IPF, have differed in the methodology used to implement the 6MWT, hindering the comparison of results across studies. In this review, I describe the utility of the 6MWT in patients with IPF and provide recommendations for standardisation of the test for use both in clinical practice and research. A brief video

Download Full-text

THU0608-HPR VALIDITY OF SIX MINUTE STEPPER TEST IN EVALUATION OF FUNCTIONAL EXERCISE CAPACITY IN PATIENTS WITH ANKYLOSING SPONDYLITIS

Annals of the Rheumatic Diseases ◽

10.1136/annrheumdis-2020-eular.2769 ◽

2020 ◽

Vol 79 (Suppl 1) ◽

pp. 545.1-546

Author(s):

S. Bayram ◽

N. G. Tore ◽

F. Sarİ ◽

D. C. Saraç ◽

G. Gülsün ◽

...

Keyword(s):

Ankylosing Spondylitis ◽

Exercise Capacity ◽

Muscle Performance ◽

Walking Distance ◽

Walk Test ◽

Six Minute Walk Test ◽

Peripheral Muscle ◽

Functional Exercise ◽

Functional Exercise Capacity ◽

Minute Walk

Background:In most patients with ankylosing spondylitis (AS), exercise capacity decreases due to pulmonary dysfunction, chest wall restriction and peripheral muscle weakness. The six-minute walk test (6MWT) is a validated simple field, hence frequently used to evaluate exercise capacity. However, 6MWT has some limitations, especially the fact that it requires a corridor of at least 30 meters long to perform this test which can limit its use in some centers. Shorter corridors force patients to turn more frequently, slowing down the pace of walking that reduces potential walking distance. To overcome technical and spatial limitations, 6-minute stepper test (6MST) has been proposed to evaluate exercise capacity. In the literature 6MST has been suggested for a variety of diseases. Since, it requires only a limited amount of space and equipment and is feasible, easy to perform, well tolerated.Objectives:In the literature, there is no study in which 6MST is used to evaluate exercise capacities of patients with AS. Therefore, the aim of this study was to evaluate validity of 6MST in AS population in comparison to 6MWT.Methods:6MWT and 6MST were performed in 51 patients with AS (52.26±13.33 years, 30F/21M). Demographic and clinical characteristics were recorded. Functional exercise capacity was evaluated using 6MWT and 6MST. The total distance of 6MWT was compared to the total number of steps of 6MST. Before, during and after 6MWT and 6MST, heart rate (HR), oxygen saturation (SpO2), breathing frequency (BF), blood pressure (BP), dyspnea and fatigue were assessed using modified Borg scale.Results:The number of steps on the 6MST was significantly correlated with the distance of the 6MWT (r=0.61, p<0.0001). Dyspnea (p=0.04) and leg fatigue (p<0.0001) was significantly higher in 6MST than in 6MWT. HR, SpO2, BF, BP and fatigue were similar in both 6MST and 6MWT.Conclusion:The 6MST is a valid test to evaluate exercise capacity in patients with AS. It is also an appropriate alternative to the 6MWT for determining exercise capacity when the 6MWT is not feasible due to technical restrictions. The 6MST can be proposed as a new exercise capacity evaluation tool in AS, as it is valid, reliable, portable and inexpensive.References:[1]van der Esch, Martin, et al. Respiratory muscle performance as a possible determinant of exercise capacity in patients with ankylosing spondylitis. Australian Journal of Physiotherapy, 2004;50(1):41-46.[2]ATS Committee on Proficiency Standards for Clinical Pulmonary Function Laboratories. ATS statement: guidelines for the six-minute walk test. Am J Respir Crit Care Med. 2002;166(1):111–117.[3]Grosbois JM, Riquier C, Chehere B, et al. Six-minute stepper test: a valid clinical exercise tolerance test for COPD patients. Int J Chron Obstruct Pulmon Dis. 2016;11:657–663.Disclosure of Interests:None declared

Download Full-text

The historical evolution of the six-minute walk test as a measure of functional exercise capacity: a narrative review

Journal of Xiangya Medicine ◽

10.21037/jxym.2018.11.01 ◽

2018 ◽

Vol 3 ◽

pp. 40-40

Author(s):

Peter Odion Ubuane ◽

Barakat Adeola Animasahun ◽

Olufunke Adewumi Ajiboye ◽

Mogbafolu Olugbemiga Kayode-Awe ◽

Omotola Aderiyike Ajayi ◽

...

Keyword(s):

Exercise Capacity ◽

Narrative Review ◽

Historical Evolution ◽

Walk Test ◽

Six Minute Walk Test ◽

Functional Exercise ◽

Functional Exercise Capacity ◽

Minute Walk

Download Full-text

Repeatability of the Six-Minute Walk Test and Relation to Physical Function in Survivors of a Critical Illness

Physical Therapy ◽

10.2522/ptj.20110410 ◽

2012 ◽

Vol 92 (12) ◽

pp. 1556-1563 ◽

Cited By ~ 27

Author(s):

Jennifer A. Alison ◽

Patricia Kenny ◽

Madeleine T. King ◽

Sharon McKinley ◽

Leanne M. Aitken ◽

...

Keyword(s):

Critical Illness ◽

Length Of Stay ◽

Exercise Capacity ◽

Walk Test ◽

Walk Distance ◽

Six Minute Walk Test ◽

Icu Length Of Stay ◽

Sf 36 ◽

Minute Walk Distance ◽

Minute Walk

Background The Six-Minute Walk Test (6MWT) is widely used as an outcome measure in exercise rehabilitation. However, the repeatability of the 6MWT performed at home in survivors of a critical illness has not been evaluated. Objective The purpose of this study was to evaluate, in survivors of a critical illness: (1) the repeatability of the 6MWT performed at home, (2) the effect on estimates of change in functional exercise capacity if only one 6MWT was performed at follow-up assessments, and (3) the relationship between the physical functioning (PF) score of the 36-Item Short-Form Health Survey questionnaire (SF-36) and the 6MWT. Design Repeated measures of the 6MWT and SF-36 were obtained. Methods Eligible participants had an intensive care unit (ICU) length of stay of ≥48 hours and were mechanically ventilated for ≥24 hours. Two 6MWTs and the SF-36 were conducted in participants' homes at weeks 1, 8, and 26 after hospital discharge. Results One hundred seventy-three participants completed the study. The participants had a mean age of 57 years (SD=16), a mean Acute Physiology and Chronic Health Evaluation II (APACHE II) score on admission of 19 (SD=10), a mean ICU length of stay of 9 days (SD=8), and a mean mechanical ventilation time of 140 hours (SD=137). Of the 173 participants, 110 performed two 6MWTs at weeks 1, 8, and 26. There were significant mean increases in 6-minute walk distance in the second test of 15 m (P<.0001) at week 1, 13 m (P<.0001) at week 8, and 9 m (P=.04) at week 26. If only one 6MWT was performed at weeks 8 and 26, the estimate of change in 6-minute walk distance from week 1 was 19 m less (P<.001) at both weeks 8 and 26. There was a moderate to strong correlation between SF-36 PF score and 6-minute walk distance at each assessment (week 1: r=.62, P<.001; week 8: r=.55, P<.001; and week 26: r=.47, P<.001). Limitations Some study participants were unable to perform a second 6MWT, and these participants may have differed in important aspects of function compared with those individuals who completed two 6MWTs. Conclusions In survivors of a critical illness, the 6MWT in the home environment should be performed twice at each assessment to give an accurate reflection of change in exercise capacity over time. The SF-36 PF score was a strong indicator of 6-minute walk distance in early recovery from a critical illness.

Download Full-text