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362 results on '"Rosadini, G"'

36. Judo and choking: EEG and regional cerebral blood flow findings

Author

Rodriguez, G., Francione, S., Gardella, M., Marenco, S., flavio nobili, Novellone, G., Reggiani, E., and Rosadini, G.

Subjects
Adult, Airway Obstruction, Male, Adolescent, Cerebrovascular Circulation, Humans, Electroencephalography, Female, Unconsciousness, Middle Aged, Martial Arts
Abstract

Ten judoka were examined at rest by EEG and regional Cerebral Blood Flow (rCBF) (133-Xenon inhalation method); in seven of them a syncope was induced by choking and EEG was recorded during the loss of consciousness while rCBF was measured immediately after recovery. Baseline EEG and rCBF examinations were normal. During choking, EEG showed diffuse 2-3 Hz. high voltage waves, predominantly in the anterior regions, then the EEG gradually recovered to normal. After choking, rCBF decreased in all but one subject, slightly in four and more markedly in two. Our findings suggest that there is no evidence of permanent CNS functional changes due to judo practice and choking. The variable rCBF features soon after choking-induced syncope may reflect a different timing of recovery from cerebral ischemia for each subject.

Published
1991

39. Regional cerebral blood flow asymmetries in a group of 189 normal subjects at rest.

Author

Rodriguez, G, Coppola, R, De Carli, F, Francione, S, Marenco, S, Nobili, F, Risberg, J, Rosadini, G, Warkentin, Siegbert, Rodriguez, G, Coppola, R, De Carli, F, Francione, S, Marenco, S, Nobili, F, Risberg, J, Rosadini, G, and Warkentin, Siegbert

Abstract

Regional cerebral blood flow (rCBF) asymmetries were studied in 189 subjects (96 males and 93 females) at rest with the 133Xenon inhalation method using a fixed detector system. rCBF asymmetries in the resting condition were very small, nevertheless a significant (p less than 0.001) effect for their topographical distribution was present, reflecting higher rCBF in the right fronto-temporal and left parieto-occipital regions. rCBF asymmetries were not correlated with age, and there were no significant differences between males and females. Asymmetries are therefore useful from a statistical point of view in detecting rCBF abnormalities in the resting condition: they are more stable than absolute values in normal subjects and no matching according to age or sex is required when statistical comparisons are performed.

Published
1991

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