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Медико-биологический
информационный портал
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для специалистов |
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Vol. 15, Art. 16 (pp. 175-184) | 2014
The rate of cerebral blood flow is a prognostic marker and monitoring goal in acute cerebral ischemia
Polushin A.Y - Medical Military Academy
Voznyuk I.A. - Saint-Petersburg I.I. Dzhanelidze Research Institute Of Emergency Medicine; Medical Military Academy
Brief summary
To clarify the diagnostic value of the indicator cerebral blood flow velocity in the acute period of ischemic stroke was conducted dynamic monitoring of 54 patients in the age from 26 till 84 years with a clinical picture of acute ischemic stroke. Ultrasonic Doppler sonography conducted fivefold during the acute period of the receipt and every 7 days. It was found that linear blood flow velocity acquires more informative for dynamic monitoring, demonstrating autoregulatory reserve and the effectiveness of the therapeutic efforts in the acute period. Against the background of positive dynamics of neurological, by the end of the fourth week of the disease, the majority of patients, the decrease of the velocity parameters that related to overcoming edema, restoration of conformity perfusion opportunities metabolic and functional needs of the preserved brain matter. Lengthening the period of instability of speed parameters or significant fluctuations in absolute values serve as a marker of poor prognosis that is the basis for the refinement of the individual causes of stroke or find errors in the selection of the treatment tactics. Stratification of the normative values emitting beyond the bounds of deviations speed parameters allows to increase sensitivity of Doppler assessment of cerebral blood flow is most informative. Key words ischemic stroke, linear blood flow velocity, ultrasonic dopplerography, Doppler ultrasound. (The article in PDF format. For preview need Adobe Acrobat Reader)  Open article in new window
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