Lower extremity blood flow and responses to occlusion ischemia differ in exercise-trained and sedentary tetraplegic persons
Identifieur interne : 00C044 ( Main/Curation ); précédent : 00C043; suivant : 00C045Lower extremity blood flow and responses to occlusion ischemia differ in exercise-trained and sedentary tetraplegic persons
Auteurs : Mark S. Nash [États-Unis] ; Berta M. Montalvo [États-Unis] ; Brooks Applegate [États-Unis]Source :
- Archives of Physical Medicine and Rehabilitation [ 0003-9993 ] ; 1996.
Abstract
Objective: To test whether lower extremity blood flow and hyperemic responses to vascular occlusion differ among electrically stimulated exercise trained and sedentary tetraplegic persons and subjects without tetraplegia (control).Désign: Blinded cross-sectional comparison, control group.Setting: Academic medical center.Participants: Ten sedentary tetraplegic men, 10 tetraplegic persons previously habituated to electrically stimulated cycling exercise for 0.4 to 7 years, and 10 nondisabled controls.Outcome Measures: Subjects underwent quantitative Doppler ultrasound examination of the common femoral artery (CFA). End-diastolic arterial images and arterial flow-velocity profiles obtained at rest and following five minutes of suprasystolic thigh occlusion were computer digitized for analysis of heart rate (HR), CFA peak systolic velocity (PSV), CFA cross-sectional area (CSA), flow velocity integral (FVI), and computed CFA inflow volume (IV).Results: No group main effects were observed for resting HR or FVI. At rest, trained tetraplegic men had 14.9% greater PSV, 29.8% larger CSA, and 51.3% greater IV (p values < .05) than sedentary tetraplegic subjects. Resting PSV and IV of the trained subjects did not differ from controls, although CSA was smaller than controls (p < .05). Following occlusion, PSV, CSA, and IV averaged 16.5%, 33.4%, and 65.1% greater for trained tetraplegics persons, respectively, than sedentary tetraplegic subjects (p values < .05). Only CSA differed between the control and the trained groups (p < .05).Conclusion: Tetraplegic persons conditioned by electrically stimulated cycling have greater lower extremity blood flow and hyperemic responses to occlusion than do their sedentary counterparts.
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DOI: 10.1016/S0003-9993(96)90190-2
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<record><TEI wicri:istexFullTextTei="biblStruct"><teiHeader><fileDesc><titleStmt><title xml:lang="en">Lower extremity blood flow and responses to occlusion ischemia differ in exercise-trained and sedentary tetraplegic persons</title><author><name sortKey="Nash, Mark S" sort="Nash, Mark S" uniqKey="Nash M" first="Mark S." last="Nash">Mark S. Nash</name></author><author><name sortKey="Montalvo, Berta M" sort="Montalvo, Berta M" uniqKey="Montalvo B" first="Berta M." last="Montalvo">Berta M. Montalvo</name></author><author><name sortKey="Applegate, Brooks" sort="Applegate, Brooks" uniqKey="Applegate B" first="Brooks" last="Applegate">Brooks Applegate</name></author></titleStmt><publicationStmt><idno type="wicri:source">ISTEX</idno><idno type="RBID">ISTEX:022535EBAFA83FEF3448C5952E4193F87A58162C</idno><date when="1996" year="1996">1996</date><idno type="doi">10.1016/S0003-9993(96)90190-2</idno><idno type="url">https://api.istex.fr/document/022535EBAFA83FEF3448C5952E4193F87A58162C/fulltext/pdf</idno><idno type="wicri:Area/Istex/Corpus">000101</idno><idno type="wicri:explorRef" wicri:stream="Istex" wicri:step="Corpus" wicri:corpus="ISTEX">000101</idno><idno type="wicri:Area/Istex/Curation">000101</idno><idno type="wicri:Area/Istex/Checkpoint">004452</idno><idno type="wicri:explorRef" wicri:stream="Istex" wicri:step="Checkpoint">004452</idno><idno type="wicri:doubleKey">0003-9993:1996:Nash M:lower:extremity:blood</idno><idno type="wicri:Area/Main/Merge">00C898</idno><idno type="wicri:Area/Main/Curation">00C044</idno></publicationStmt><sourceDesc><biblStruct><analytic><title level="a" type="main" xml:lang="en">Lower extremity blood flow and responses to occlusion ischemia differ in exercise-trained and sedentary tetraplegic persons</title><author><name sortKey="Nash, Mark S" sort="Nash, Mark S" uniqKey="Nash M" first="Mark S." last="Nash">Mark S. Nash</name><affiliation wicri:level="2"><country xml:lang="fr">États-Unis</country><wicri:regionArea>Department of Orthopedics and Rehabilitation, Division of Physical Therapy University of Miami School of Medicine, Miami, FL</wicri:regionArea><placeName><region type="state">Floride</region></placeName></affiliation></author><author><name sortKey="Montalvo, Berta M" sort="Montalvo, Berta M" uniqKey="Montalvo B" first="Berta M." last="Montalvo">Berta M. Montalvo</name><affiliation wicri:level="2"><country xml:lang="fr">États-Unis</country><wicri:regionArea>Department of Radiology University of Miami School of Medicine, Miami, FL</wicri:regionArea><placeName><region type="state">Floride</region></placeName></affiliation></author><author><name sortKey="Applegate, Brooks" sort="Applegate, Brooks" uniqKey="Applegate B" first="Brooks" last="Applegate">Brooks Applegate</name><affiliation wicri:level="2"><country xml:lang="fr">États-Unis</country><wicri:regionArea>Department of Orthopedics and Rehabilitation, Division of Physical Therapy University of Miami School of Medicine, Miami, FL</wicri:regionArea><placeName><region type="state">Floride</region></placeName></affiliation></author></analytic><monogr></monogr><series><title level="j">Archives of Physical Medicine and Rehabilitation</title><title level="j" type="abbrev">YAPMR</title><idno type="ISSN">0003-9993</idno><imprint><publisher>ELSEVIER</publisher><date type="published" when="1996">1996</date><biblScope unit="volume">77</biblScope><biblScope unit="issue">12</biblScope><biblScope unit="page" from="1260">1260</biblScope><biblScope unit="page" to="1265">1265</biblScope></imprint><idno type="ISSN">0003-9993</idno></series></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">0003-9993</idno></seriesStmt></fileDesc><profileDesc><textClass></textClass><langUsage><language ident="en">en</language></langUsage></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Objective: To test whether lower extremity blood flow and hyperemic responses to vascular occlusion differ among electrically stimulated exercise trained and sedentary tetraplegic persons and subjects without tetraplegia (control).Désign: Blinded cross-sectional comparison, control group.Setting: Academic medical center.Participants: Ten sedentary tetraplegic men, 10 tetraplegic persons previously habituated to electrically stimulated cycling exercise for 0.4 to 7 years, and 10 nondisabled controls.Outcome Measures: Subjects underwent quantitative Doppler ultrasound examination of the common femoral artery (CFA). End-diastolic arterial images and arterial flow-velocity profiles obtained at rest and following five minutes of suprasystolic thigh occlusion were computer digitized for analysis of heart rate (HR), CFA peak systolic velocity (PSV), CFA cross-sectional area (CSA), flow velocity integral (FVI), and computed CFA inflow volume (IV).Results: No group main effects were observed for resting HR or FVI. At rest, trained tetraplegic men had 14.9% greater PSV, 29.8% larger CSA, and 51.3% greater IV (p values < .05) than sedentary tetraplegic subjects. Resting PSV and IV of the trained subjects did not differ from controls, although CSA was smaller than controls (p < .05). Following occlusion, PSV, CSA, and IV averaged 16.5%, 33.4%, and 65.1% greater for trained tetraplegics persons, respectively, than sedentary tetraplegic subjects (p values < .05). Only CSA differed between the control and the trained groups (p < .05).Conclusion: Tetraplegic persons conditioned by electrically stimulated cycling have greater lower extremity blood flow and hyperemic responses to occlusion than do their sedentary counterparts.</div></front></TEI></record>Pour manipuler ce document sous Unix (Dilib)
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