| Resting Cardiopulmonary Function in Paralympic Athletes with Cervical Spinal Cord Injury. | |
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MedLine Citation:
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PMID: 21720277 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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PURPOSE:: The purpose of this study was to describe resting cardiopulmonary function in highlytrained athletes with cervical spinal cord injury (SCI), and to compare the data with able-bodied (AB) control subjects. METHODS:: Twelve Paralympic wheelchair rugby players with cervical SCI (injury level, C5-C7) and 12 AB controls matched for age, stature, and body mass were assessed for pulmonary function using spirometry, body plethysmography, and maximal inspiratory and expiratory mouth pressures; diaphragm function using magnetic stimulation of the phrenic nerves; and cardiac function using transthoracic echocardiography. RESULTS:: Total lung capacity, vital capacity, inspiratory reserve volume, and expiratory reserve volume were lower in SCI compared to AB (p < 0.01), whereas residual volume was elevated in SCI (p = 0.022). Airway resistance and maximal inspiratory mouth pressure were not different between groups (p > 0.41), whereas maximal expiratory mouth pressure, maximal transdiaphragmatic pressure, and twitch transdiaphragmatic pressure were lower in SCI (p < 0.01). Maximal transdiaphragmatic pressure in SCI was significantly correlated with percent predicted TLC (r = 0.74), suggesting that the pulmonary restriction was the result of diaphragm weakness. Left ventricular mass, ejection fraction, stroke volume, and cardiac output were lower in SCI (p < 0.04), but early and late filling during diastole were not different between groups (p> 0.05). CONCLUSION:: Highly-trained athletes with cervical SCI exhibit a restrictive pulmonary defect, weakness of the expiratory and diaphragm muscles, atrophy of the heart, and reduced systolic cardiac function. |
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Authors:
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Christopher R West; Ian G Campbell; Robert E Shave; Lee M Romer |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2011-6-29 |
Journal Detail:
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Title: Medicine and science in sports and exercise Volume: - ISSN: 1530-0315 ISO Abbreviation: - Publication Date: 2011 Jun |
Date Detail:
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Created Date: 2011-7-1 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 8005433 Medline TA: Med Sci Sports Exerc Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Affiliation:
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1Centre for Sports Medicine and Human Performance, Brunel University, UB8 3PH, UK. 2Cardiff School of Sport, University of Wales Institute Cardiff, CF23 6XD, UK. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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