Cerebrovascular CO2 reactivity in migraine with aura and without aura. A Transcranial Doppler study

G. Fiermonte; F. Pierelli; F. Pauri; F. I I Cosentino; R. Soccorsi; P. Giacomini

Cerebrovascular CO2 reactivity in migraine with aura and without aura. A Transcranial Doppler study

G. Fiermonte, F. Pierelli, F. Pauri, F. I I Cosentino, R. Soccorsi, P. Giacomini

Research output: Contribution to journal › Article › peer-review

Abstract

Introduction - We studied by means of Transcranial Doppler (TCD) recordings the CO₂ cerebrovascular reactivity in migraine patients during the headache-free period. Material and methods - In three groups of subjects (15 controls, 15 suffering from migraine with aura and 15 from migraine without aura) the middle cerebral artery (MCA) mean flow velocity (MFV) was recorded under basal condition and hypocapnia induced by hyperventilation. Relative MFV, PI (Pulsatility Index) changes and Reactivity Index (RI) were calculated. Results - Reactivity Index values were: 0.019 ± 0.007 (mean ± SD) in control subjects: 0.029 ± 0.008 in migraine with aura; 0.022 ± 0.008 in migraine without aura. Statistical analysis showed a significantly (P2 reactivity is increased during the interictal period in migraine with aura patients.

Original language	English
Pages (from-to)	166-169
Number of pages	4
Journal	Acta Neurologica Scandinavica
Volume	92
Issue number	2
Publication status	Published - 1995

Keywords

cerebrovascular CO reactivity
migraine
transcranial Doppler

ASJC Scopus subject areas

Clinical Neurology
Neuroscience(all)

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title = "Cerebrovascular CO2 reactivity in migraine with aura and without aura. A Transcranial Doppler study",

abstract = "Introduction - We studied by means of Transcranial Doppler (TCD) recordings the CO2 cerebrovascular reactivity in migraine patients during the headache-free period. Material and methods - In three groups of subjects (15 controls, 15 suffering from migraine with aura and 15 from migraine without aura) the middle cerebral artery (MCA) mean flow velocity (MFV) was recorded under basal condition and hypocapnia induced by hyperventilation. Relative MFV, PI (Pulsatility Index) changes and Reactivity Index (RI) were calculated. Results - Reactivity Index values were: 0.019 ± 0.007 (mean ± SD) in control subjects: 0.029 ± 0.008 in migraine with aura; 0.022 ± 0.008 in migraine without aura. Statistical analysis showed a significantly (P2 reactivity is increased during the interictal period in migraine with aura patients.",

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author = "G. Fiermonte and F. Pierelli and F. Pauri and Cosentino, {F. I I} and R. Soccorsi and P. Giacomini",

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T1 - Cerebrovascular CO2 reactivity in migraine with aura and without aura. A Transcranial Doppler study

AU - Fiermonte, G.

AU - Pierelli, F.

AU - Pauri, F.

AU - Cosentino, F. I I

AU - Soccorsi, R.

AU - Giacomini, P.

PY - 1995

Y1 - 1995

N2 - Introduction - We studied by means of Transcranial Doppler (TCD) recordings the CO2 cerebrovascular reactivity in migraine patients during the headache-free period. Material and methods - In three groups of subjects (15 controls, 15 suffering from migraine with aura and 15 from migraine without aura) the middle cerebral artery (MCA) mean flow velocity (MFV) was recorded under basal condition and hypocapnia induced by hyperventilation. Relative MFV, PI (Pulsatility Index) changes and Reactivity Index (RI) were calculated. Results - Reactivity Index values were: 0.019 ± 0.007 (mean ± SD) in control subjects: 0.029 ± 0.008 in migraine with aura; 0.022 ± 0.008 in migraine without aura. Statistical analysis showed a significantly (P2 reactivity is increased during the interictal period in migraine with aura patients.

AB - Introduction - We studied by means of Transcranial Doppler (TCD) recordings the CO2 cerebrovascular reactivity in migraine patients during the headache-free period. Material and methods - In three groups of subjects (15 controls, 15 suffering from migraine with aura and 15 from migraine without aura) the middle cerebral artery (MCA) mean flow velocity (MFV) was recorded under basal condition and hypocapnia induced by hyperventilation. Relative MFV, PI (Pulsatility Index) changes and Reactivity Index (RI) were calculated. Results - Reactivity Index values were: 0.019 ± 0.007 (mean ± SD) in control subjects: 0.029 ± 0.008 in migraine with aura; 0.022 ± 0.008 in migraine without aura. Statistical analysis showed a significantly (P2 reactivity is increased during the interictal period in migraine with aura patients.

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KW - migraine

KW - transcranial Doppler

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