Please use this identifier to cite or link to this item: https://ahro.austin.org.au/austinjspui/handle/1/9218
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dc.contributor.authorMcCrory, Paulen
dc.contributor.authorBerkovic, Samuel Fen
dc.date.accessioned2015-05-15T22:13:38Z
dc.date.available2015-05-15T22:13:38Z
dc.date.issued2000-04-11en
dc.identifier.citationNeurology; 54(7): 1488-91en
dc.identifier.govdoc10751264en
dc.identifier.otherPUBMEDen
dc.identifier.urihttps://ahro.austin.org.au/austinjspui/handle/1/9218en
dc.description.abstractTo describe the motor and convulsive manifestations in acute sports-related head injury.A total of 234 cases of concussive injuries during the 1995 through 1997 football seasons were obtained from the Australian Football League Medical Officers Association injury survey. Of these, 102 cases were recorded adequately on television videotape and were analyzed by two independent observers using a standardized recording form detailing injury mechanics and clinical features of the episodes. Motor and convulsive features were correlated with mechanical variables and with duration of loss of consciousness using linear modeling techniques.Tonic posturing occurred in 25 subjects, clonic movements in 6, righting movement in 40, and gait unsteadiness in 42. In one subject the tonic and clonic features were sufficiently prolonged to be deemed a concussive convulsion. The only risk factor for tonic posturing using logistic regression was the presence of loss of consciousness (p = 0.0001). There was a trend toward facial impact being an independent predictor of tonic posturing but this did not reach significance. No other independent variable predicted the development of clonic movements, righting movements, or gait unsteadiness.Subtle motor manifestations such as tonic posturing and clonic movements commonly occur in concussion; the main predictive factor for tonic posturing is the presence of loss of consciousness. The authors speculate that these clinical features are due to brainstem dysfunction secondary to biomechanical forces inducing a transient functional decerebration.en
dc.language.isoenen
dc.subject.otherBrain Concussion.diagnosis.etiologyen
dc.subject.otherDyskinesias.classification.etiologyen
dc.subject.otherEpilepsy, Post-Traumatic.classification.etiologyen
dc.subject.otherFootball.injuriesen
dc.subject.otherHumansen
dc.subject.otherMaleen
dc.subject.otherPredictive Value of Testsen
dc.subject.otherProspective Studiesen
dc.subject.otherSeizures.classification.etiologyen
dc.subject.otherUnconsciousness.classification.etiologyen
dc.subject.otherVideotape Recordingen
dc.titleVideo analysis of acute motor and convulsive manifestations in sport-related concussion.en
dc.typeJournal Articleen
dc.identifier.journaltitleNeurologyen
dc.identifier.affiliationUniversity of Melbourne, Department of Neurology, Austin & Repatriation Medical Centre, Heidelberg, Victoria, Australiaen
dc.description.pages1488-91en
dc.relation.urlhttps://pubmed.ncbi.nlm.nih.gov/10751264en
dc.type.austinJournal Articleen
local.name.researcherBerkovic, Samuel F
item.openairecristypehttp://purl.org/coar/resource_type/c_18cf-
item.cerifentitytypePublications-
item.fulltextNo Fulltext-
item.grantfulltextnone-
item.languageiso639-1en-
item.openairetypeJournal Article-
crisitem.author.deptEpilepsy Research Centre-
crisitem.author.deptNeurology-
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