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Text
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URL Address
<a href="http://doi.org/10.1097/HCR.0000000000000035" target="_blank" rel="noreferrer noopener">http://doi.org/10.1097/HCR.0000000000000035</a>
Pages
62–68
Issue
1
Volume
34
Dublin Core
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Title
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Body mass index moderates the effects of portable oxygen transport modality on
Publisher
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Journal of cardiopulmonary rehabilitation and prevention
Date
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2014
2014-02
Subject
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*Oxygen Inhalation Therapy/instrumentation/methods; *Pulmonary Disease; *Quality of Life; Activities of Daily Living; Aged; Body Mass Index; Chronic Obstructive – Diagnosis; Chronic Obstructive – Metabolism; Chronic Obstructive – Physiopathology; Chronic Obstructive – Psychosocial Factors; Chronic Obstructive – Therapy; Chronic Obstructive/diagnosis/metabolism/physiopathology/psychology/therapy; Drug Delivery Systems – Methods; Drug Delivery Systems – Standards; Drug Delivery Systems/methods/standards; Exercise Test – Methods; Exercise Test/methods; Exertion; Female; Heart Rate; Hemoglobins – Analysis; Human; Humans; Male; Middle Age; Middle Aged; Outcome Assessment; Outcome Assessment (Health Care); Oxygen Consumption; Oxygen Therapy – Equipment and Supplies; Oxygen Therapy – Methods; Oxyhemoglobins/analysis; Physical Exertion; Pulmonary Disease; Quality of Life; Walking – Physiology; Walking/*physiology
Creator
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Pohle-Krauza Rachael J; McCarroll Michele L; Pannikottu Kurian; Latta Tiffany N; DiNuoscio David R; Volsko Teresa A; Gothard M David; Krauza Matthew L
Description
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PURPOSE: While portable, supplemental oxygen is often necessary for patients with chronic obstructive pulmonary disease (COPD) to retain independence, it may provide functional limitations because of the increased workload imposed. This issue may result in nonuse, creating a need to identify carrying modalities that optimize transport. This study assessed the effects of 3 methods of portable oxygen transport on 6-minute walk distance (6 MWD), rate of perceived exertion (RPE), heart rate (HR), and oxyhemoglobin saturation (SpO2). As weight status is known to impact functional ability in COPD, effects of body mass index (BMI) were also assessed. METHODS: Data were analyzed using the mixed-model procedure to test for effects of transport modality (reference, rolling cart, backpack, shoulderstrap), time (minutes 1-6), BMI, non-overweight, overweight, and interactions of these variables on outcome parameters. RESULTS: A main effect of condition was found for 6 MWD, and an interaction of condition x BMI was found for HR and RPE, and of time x BMI for 6 MWD and SpO2. Participants walked the least distance in rolling cart condition, which was also characterized by the greatest RPE. For the overweight group, HR was least in the reference compared with other conditions; but for the non-overweight group, the opposite pattern was observed. At latter time points, 6 MWD was greater in the non-overweight group, while SpO2 was reduced. CONCLUSION: Results demonstrate that transport modality of portable oxygen exerts differential effects on functional performance in COPD patients and that BMI may moderate underlying physiologic factors that contribute to performance outcomes.
Identifier
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<a href="http://doi.org/10.1097/HCR.0000000000000035" target="_blank" rel="noreferrer noopener">10.1097/HCR.0000000000000035</a>
Rights
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Article information provided for research and reference use only. All rights are retained by the journal listed under publisher and/or the creator(s).
*Oxygen Inhalation Therapy/instrumentation/methods
*Pulmonary Disease
*Quality of Life
2014
Activities of Daily Living
Aged
Body Mass Index
Chronic Obstructive – Diagnosis
Chronic Obstructive – Metabolism
Chronic Obstructive – Physiopathology
Chronic Obstructive – Psychosocial Factors
Chronic Obstructive – Therapy
Chronic Obstructive/diagnosis/metabolism/physiopathology/psychology/therapy
Department of Internal Medicine
DiNuoscio David R
Drug Delivery Systems – Methods
Drug Delivery Systems – Standards
Drug Delivery Systems/methods/standards
Exercise Test – Methods
Exercise Test/methods
Exertion
Female
Gothard M David
Heart Rate
Hemoglobins – Analysis
Human
Humans
Journal of cardiopulmonary rehabilitation and prevention
Krauza Matthew L
Latta Tiffany N
Male
McCarroll Michele L
Middle Age
Middle Aged
NEOMED College of Medicine
Outcome Assessment
Outcome Assessment (Health Care)
Oxygen Consumption
Oxygen Therapy – Equipment and Supplies
Oxygen Therapy – Methods
Oxyhemoglobins/analysis
Pannikottu Kurian
Physical Exertion
Pohle-Krauza Rachael J
Pulmonary Disease
Quality of Life
Volsko Teresa A
Walking – Physiology
Walking/*physiology