A study on nonlinear estimation of submaximal effort tolerance based on the generalized MET concept and the 6MWT in pulmonary rehabilitation

Szczegielniak, Jan; Latawiec, Krzysztof J.; Łuniewski, Jacek; Stanisławski, Rafał; Bogacz, Katarzyna; Krajczy, Marcin; Rydel, Marek

doi:10.1371/journal.pone.0191875

Cited by 13 publications

(11 citation statements)

References 46 publications

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“…Stationary cycle ergometer exercise was performed for 20-30 min, five times a week, to obtain a training heart rate, which was calculated as follows: heart rate [(max HR -resting HR) × (60 or 70)%] + resting HR through the use of the results of the 6-min walk test. 24 The percentage values were 70% to GOLD 2 spirometric stages patients and 60% for GOLD 3 spirometric stages patients. The training were performed under the supervision of a physiotherapist; the heart rate was monitored continuously.…”

Section: Endurance Exercise Trainingmentioning

confidence: 89%

<p>Virtual Reality Rehabilitation in Patients with Chronic Obstructive Pulmonary Disease: A Randomized Controlled Trial</p>

Rutkowski¹,

Rutkowska²,

Kiper³

et al. 2020

COPD

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This study compared the effects of inpatient-based rehabilitation program of patients with chronic obstructive pulmonary disease (COPD) using non-immersive virtual reality (VR) training with a traditional pulmonary rehabilitation program. The aims of this study were to determine 1) whether rehabilitation featuring both VR as well as exercise training provides benefits over exercise training (ET) alone and 2) whether rehabilitation featuring VR training instead of exercise training provides equivalent benefits. Patients and Methods: The study recruited 106 patients with COPD to a 2-week highintensity, five times a week intervention. Randomized into three groups, 34 patients participated in a traditional pulmonary rehabilitation program including endurance exercise training (ET), 38 patients participated in traditional pulmonary rehabilitation, including both endurance exercise training and virtual reality training (ET+VR) and 34 patients participated in pulmonary rehabilitation program including virtual reality training but no endurance exercise training (VR). The traditional pulmonary rehabilitation program consisted of fitness exercises, resistance respiratory muscle and relaxation training. Xbox 360 ® and Kinect ® Adventures software were used for the VR training of lower and upper body strength, endurance, trunk control and dynamic balance. Comparison of the changes in the Senior Fitness Test was the primary outcome. Analysis was performed using linear mixed-effects models. Results: The comparison between ET and ET+VR groups showed that ET+VR group was superior to ET group in Arm Curl (p<0.003), Chair stand (p<0.008), Back scratch (p<0.002), Chair sit and reach (p<0.001), Up and go (p<0.000), 6-min walk test (p<0.011). Whereas, the comparison between ET and VR groups showed that VR group was superior to ET group in Arm Curl (p<0.000), Chair stand (p<0.001), 6-min walk test (p<0.031). Conclusion: Results suggest that pulmonary rehabilitation program supplemented with VR training is beneficial intervention to improve physical fitness in patients with COPD.

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Section: Endurance Exercise Trainingmentioning

confidence: 89%

<p>Virtual Reality Rehabilitation in Patients with Chronic Obstructive Pulmonary Disease: A Randomized Controlled Trial</p>

Rutkowski¹,

Rutkowska²,

Kiper³

et al. 2020

COPD

Self Cite

View full text Add to dashboard Cite

show abstract

“…degree. The pulmonary rehabilitation program consisted of the following components performed once a day, each for 20–30 min (depending on the task): Endurance exercise training on a cycle ergometer to obtain a training heart rate (HR), which was calculated as follows: HR ((max HR − resting HR) × 60%) + resting HR through the use of the results of the 6 min walk test [ 44 ], or Borg-rated dyspnea or a fatigue score 4 to 6 (moderate to severe). Fitness exercises, coordination, balance exercises, and stretching exercises.…”

Section: Methodsmentioning

confidence: 99%

“…Endurance exercise training on a cycle ergometer to obtain a training heart rate (HR), which was calculated as follows: HR ((max HR − resting HR) × 60%) + resting HR through the use of the results of the 6 min walk test [ 44 ], or Borg-rated dyspnea or a fatigue score 4 to 6 (moderate to severe).…”

Section: Methodsmentioning

confidence: 99%

Monitoring Physical Activity with a Wearable Sensor in Patients with COPD during In-Hospital Pulmonary Rehabilitation Program: A Pilot Study

Rutkowski

Buekers

Rutkowska

et al. 2021

Sensors

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Accelerometers have become a standard method of monitoring physical activity in everyday life by measuring acceleration in one, two, or three axes. These devices provide reliable and objective measurements of the duration and intensity of physical activity. We aimed to investigate whether patients undertake physical activity during non-supervised days during stationary rehabilitation and whether patients adhere to the rigor of 24 h monitoring. The second objective was to analyze the strengths and weaknesses of such kinds of sensors. The research enrolled 13 randomly selected patients, qualified for in-patient, 3 week, high-intensity, 5 times a week pulmonary rehabilitation. The SenseWear armband was used for the assessment of physical activity. Participants wore the device 24 h a day for the next 4 days (Friday–Monday). The analysis of the number of steps per day, the time spent lying as well as undertaking moderate or vigorous physical activity (>3 metabolic equivalents of task (METs)), and the energy expenditure expressed in kcal showed no statistically significant difference between the training days and the days off. It seems beneficial to use available physical activity sensors in patients with chronic obstructive pulmonary disease (COPD); measurable parameters provide feedback that may increase the patient’s motivation to be active to achieve health benefits.

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“…For the estimation of energy expenditure, the non-linear mathematical model recently proposed for 6MWT by Szczegielniak et al [ 30 ] was used, which provides the energy cost or metabolic equivalent (MET) of the physical activity performed as a function of the distance travelled during the test and taking into account gender differences, which can be more efficient in terms of the non-linearity of the environment than the classical method of Connors and Hilling [ 31 ].…”

Section: Methodsmentioning

confidence: 99%

Portable Oxygen Therapy: Is the 6-Minute Walking Test Overestimating the Actual Oxygen Needs?

Morillo

Lara-Doña

Torres

et al. 2020

JCM

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The appropriate titration for the personalized oxygen needs of patients with chronic obstructive pulmonary disease (COPD) and severe hypoxemia is a determining factor in the success of long-term oxygen therapy. There are no standardized procedures to assist in determining the patient’s needs during the physical activities of daily life. Despite that effort tests are a wide broad approach, further research concerning the development of protocols to titrate O2 therapy is needed. The main objective of this study was to assess whether the level of oxygen titrated through the 6-minute walking test (6MWT) for patients with COPD and exertional hypoxemia is adequate to meet the patients’ demand during their activities of daily living. Physiological and subjective variables were estimated for a study population during two walking tests: a 6MWT and a 20-minute walking circuit (20MWC), designed ad-hoc to reproduce daily physical activities more truthfully. The results indicate that in a significant proportion of patients, the 6MWT might not accurately predict their oxygen needs at a domiciliary environment. Therefore, the titration of the portable O2 therapy could not be optimal in these cases, with the detrimental impact on the patient’s health (hyperoxia episodes), the autonomy of the oxygen device, and the decrease of time out of the home.

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A study on nonlinear estimation of submaximal effort tolerance based on the generalized MET concept and the 6MWT in pulmonary rehabilitation

Cited by 13 publications

References 46 publications

<p>Virtual Reality Rehabilitation in Patients with Chronic Obstructive Pulmonary Disease: A Randomized Controlled Trial</p>

<p>Virtual Reality Rehabilitation in Patients with Chronic Obstructive Pulmonary Disease: A Randomized Controlled Trial</p>

Monitoring Physical Activity with a Wearable Sensor in Patients with COPD during In-Hospital Pulmonary Rehabilitation Program: A Pilot Study

Portable Oxygen Therapy: Is the 6-Minute Walking Test Overestimating the Actual Oxygen Needs?

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