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| Description
| - Background and Purpose: Several methods are being used to assess cerebral vasomotor reactivity (CVR), including transcranial Doppler (TCD) sonography and blood oxygenation level-dependent functional magnetic resonance imaging (fMRI). The aim was to assess the correlation of TCD and fMRI in the CVR assessment. Methods: Study group consisted of 28 patients (24 males, 4 females; aged 30?82, mean 63.1 ? 10.0 years), presenting with 29 occluded internal carotid arteries. The TCD examination, including breath-holding/hyperventilation test (BH/HV) and breath-holding index (BHI), and fMRI examination were used for the assessment of CVR. fMRI employed a bimanual motor task within both a block paradigm and an event-related paradigm. Cohen?s κ was applied when statistically assessing correlation of the methods. Results: The following correlations were found?between BH/HV and BHI 58.6%, κ = .205; BH/HV and fMRI 65.5%, κ = .322; BHI and fMRI 58.6%, κ = .151; TCD (consistent result of both B
- Background and Purpose: Several methods are being used to assess cerebral vasomotor reactivity (CVR), including transcranial Doppler (TCD) sonography and blood oxygenation level-dependent functional magnetic resonance imaging (fMRI). The aim was to assess the correlation of TCD and fMRI in the CVR assessment. Methods: Study group consisted of 28 patients (24 males, 4 females; aged 30?82, mean 63.1 ? 10.0 years), presenting with 29 occluded internal carotid arteries. The TCD examination, including breath-holding/hyperventilation test (BH/HV) and breath-holding index (BHI), and fMRI examination were used for the assessment of CVR. fMRI employed a bimanual motor task within both a block paradigm and an event-related paradigm. Cohen?s κ was applied when statistically assessing correlation of the methods. Results: The following correlations were found?between BH/HV and BHI 58.6%, κ = .205; BH/HV and fMRI 65.5%, κ = .322; BHI and fMRI 58.6%, κ = .151; TCD (consistent result of both B (en)
- Úvod a cíl: Ke zhodnocení cerebrální vazomotorické reaktivity (CVR) je užíváno několik metod, včetně transkraniální dopplerovské sonografie (TCD) a funkční magnetické rezonance (fMR) s použitím ?blood oxygenation level dependent? kontrastu. Cílem bylo posoudit korelaci TCD a fMR při hodnocení CVR. Metodika: Soubor tvořilo 28 pacientů (24 mužů, 4 ženy; věk 30 ? 82, průměrně 63,1 ? 10,0 let) s 29 okluzemi arteria carotis interna (ACI). Ke zhodnocení CVR byla použita vyšetření TCD, včetně testů zadržení dechu / hyperventilace (breath-holding / hyperventilation, BH/HV) a indexu zadržení dechu (breath-holding index, BHI), a fMR. Při vyšetření fMR byla užita motorická úloha se sekvenčním pohybem prstů obou rukou, a to jak v blokovém paradigmatu, tak i v paradigmatu evokovaných odpovědí. Ke statistickému vyhodnocení korelace metod bylo použito Cohenovo κ. Výsledky: Byly nalezeny následující korelace ? mezi BH/HV a BHI 58,6 %, κ = 0,205; BH/HV a fMR 65,5 %, κ = 0,322; BHI a fMR 58,6 %, κ = (cs)
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| Title
| - Assessment of the cerebral vasomotor reactivity in internal carotid artery occlusion using a transcranial Doppler sonography and functional MRI.
- Hodnocení cerebrální vazomotorické reaktivity u okluze vnitřní karotidy pomocí transkraniální dopplerovské sonografie a funkční MR (cs)
- Assessment of the cerebral vasomotor reactivity in internal carotid artery occlusion using a transcranial Doppler sonography and functional MRI. (en)
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| skos:prefLabel
| - Assessment of the cerebral vasomotor reactivity in internal carotid artery occlusion using a transcranial Doppler sonography and functional MRI.
- Hodnocení cerebrální vazomotorické reaktivity u okluze vnitřní karotidy pomocí transkraniální dopplerovské sonografie a funkční MR (cs)
- Assessment of the cerebral vasomotor reactivity in internal carotid artery occlusion using a transcranial Doppler sonography and functional MRI. (en)
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| skos:notation
| - RIV/61989592:15110/08:00006145!RIV09-MZ0-15110___
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| http://linked.open...avai/riv/aktivita
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| http://linked.open...avai/riv/aktivity
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| http://linked.open...iv/cisloPeriodika
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| http://linked.open...vai/riv/dodaniDat
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| http://linked.open...aciTvurceVysledku
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| http://linked.open.../riv/druhVysledku
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| http://linked.open...iv/duvernostUdaju
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| http://linked.open...titaPredkladatele
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| http://linked.open...dnocenehoVysledku
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| http://linked.open...ai/riv/idVysledku
| - RIV/61989592:15110/08:00006145
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| http://linked.open...riv/jazykVysledku
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| http://linked.open.../riv/klicovaSlova
| - carotid occlusion; cerebral vasomotor reactivity; transcranial Doppler sonography; functional magnetic resonance imaging; motor cortex (en)
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| http://linked.open.../riv/klicoveSlovo
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| http://linked.open...odStatuVydavatele
| - US - Spojené státy americké
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| http://linked.open...ontrolniKodProRIV
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| http://linked.open...i/riv/nazevZdroje
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| http://linked.open...in/vavai/riv/obor
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| http://linked.open...ichTvurcuVysledku
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| http://linked.open...cetTvurcuVysledku
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| http://linked.open...vavai/riv/projekt
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| http://linked.open...UplatneniVysledku
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| http://linked.open...v/svazekPeriodika
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| http://linked.open...iv/tvurceVysledku
| - Šaňák, Daniel
- Školoudík, David
- Herzig, Roman
- Kaňovský, Petr
- Heřman, Miroslav
- Hluštík, Petr
- Vlachová, Ivanka
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| issn
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| number of pages
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| http://localhost/t...ganizacniJednotka
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