Document Detail

Ventilatory anaerobic thresholds of individuals recovering from traumatic brain injury compared with noninjured controls.
MedLine Citation:
PMID:  22935575     Owner:  NLM     Status:  MEDLINE    
OBJECTIVE: The purpose of this study was to compare the peak aerobic capacities and ventilatory anaerobic thresholds (VAT) of individuals with a traumatic brain injury (TBI) to age- and gender-matched controls.
METHODS: Nineteen participants that previously suffered a mild to moderate TBI and 19 apparently healthy controls volunteered as subjects. Traumatic brain injury and healthy controls were matched for age and gender and were similar in weight and body mass index. Volunteers performed a maximal graded treadmill test to volitional failure where oxygen consumption ((Equation is included in full-text article.)O2), carbon dioxide production ((Equation is included in full-text article.)CO2, ventilation ((Equation is included in full-text article.)E, and heart rate were measured continuously. From metabolic and ventilatory data, VAT was measured using a previously described method. VAT and peak exercise responses of participants with a TBI were compared with healthy controls.
RESULTS: The (Equation is included in full-text article.)O2, and (Equation is included in full-text article.)CO2 at VAT and peak exercise were lower for TBI compared with healthy controls. (Equation is included in full-text article.)E was also lower for TBI at VAT and peak exercise. Heart rate was lower for TBI at VAT; however, TBI had similar heart rate to healthy controls at peak exercise.
CONCLUSIONS: The VAT and peak exercise capacities of participants with a TBI were below the metabolic demands of many routine daily activities. The data suggest that therapeutic interventions for individuals with a TBI should include targeted exercise prescriptions to improve cardiorespiratory fitness.
William E Amonette; Kurt A Mossberg
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Publication Detail:
Type:  Comparative Study; Journal Article; Research Support, N.I.H., Extramural; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  The Journal of head trauma rehabilitation     Volume:  28     ISSN:  1550-509X     ISO Abbreviation:  J Head Trauma Rehabil     Publication Date:    2013 Sep-Oct
Date Detail:
Created Date:  2013-09-09     Completed Date:  2014-04-22     Revised Date:  2014-09-02    
Medline Journal Info:
Nlm Unique ID:  8702552     Medline TA:  J Head Trauma Rehabil     Country:  United States    
Other Details:
Languages:  eng     Pagination:  E13-20     Citation Subset:  IM    
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MeSH Terms
Anaerobic Threshold / physiology*
Brain Injuries / diagnosis*,  rehabilitation*
Carbon Dioxide / metabolism
Case-Control Studies
Exercise Test / methods
Exercise Tolerance / physiology*
Glasgow Coma Scale
Middle Aged
Oxygen Consumption / physiology
Pulmonary Gas Exchange
Pulmonary Ventilation / physiology*
Reference Values
Treatment Outcome
Young Adult
Grant Support
Reg. No./Substance:
142M471B3J/Carbon Dioxide

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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