Gender-related differences in acetazolamide-induced cerebral vasodilatory response: A transcranial Doppler study

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Abstract

Cerebrovascular reactivity, cerebrovascular reserve capacity, and velocity acceleration can be easily and reliably assessed by mea, suring acetazolamide-induced changes using transcranial Doppler. The authors' aim was to determine whether there are gender-related differences in these parameters. Fifty- six healthy subjects (27 males, 29 females) were examined using transcranial Doppler. Velocities in the middle cerebral artery on both sides were recorded before and at 5, 10, 15, and 20 minutes after intravenous administration of 1 g acetazolamide. The baseline mean flow velocity in the middle cerebral artery was significantly higher in women than in men (p <0.02). After acetazolamide administration, significantly higher cerebrovascular reactivity, cerebrovascular reserve capacity, and velocity acceleration were observed in females than in males (p <0.001 in all cases). Subgroup analysis showed that women before menopause responded with higher cerebrovascular reserve capacity and velocity acceleration than age-matched men (p <0.01 and p <0.001, respectively), but no significant difference was found between females after menopause and men of similar age.

Original languageEnglish
Pages (from-to)151-156
Number of pages6
JournalJournal of Neuroimaging
Volume10
Issue number3
Publication statusPublished - 2000

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Acetazolamide
Middle Cerebral Artery
Menopause
Intravenous Administration
Healthy Volunteers

Keywords

  • Acetazolamide
  • Age
  • Cerebrovascular reactivity
  • Cerebrovascular reserve capacity
  • Gender
  • Transcranial Doppler

ASJC Scopus subject areas

  • Radiology Nuclear Medicine and imaging
  • Clinical Neurology
  • Neuroscience(all)
  • Radiological and Ultrasound Technology

Cite this

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title = "Gender-related differences in acetazolamide-induced cerebral vasodilatory response: A transcranial Doppler study",
abstract = "Cerebrovascular reactivity, cerebrovascular reserve capacity, and velocity acceleration can be easily and reliably assessed by mea, suring acetazolamide-induced changes using transcranial Doppler. The authors' aim was to determine whether there are gender-related differences in these parameters. Fifty- six healthy subjects (27 males, 29 females) were examined using transcranial Doppler. Velocities in the middle cerebral artery on both sides were recorded before and at 5, 10, 15, and 20 minutes after intravenous administration of 1 g acetazolamide. The baseline mean flow velocity in the middle cerebral artery was significantly higher in women than in men (p <0.02). After acetazolamide administration, significantly higher cerebrovascular reactivity, cerebrovascular reserve capacity, and velocity acceleration were observed in females than in males (p <0.001 in all cases). Subgroup analysis showed that women before menopause responded with higher cerebrovascular reserve capacity and velocity acceleration than age-matched men (p <0.01 and p <0.001, respectively), but no significant difference was found between females after menopause and men of similar age.",
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AU - Oláh, L.

AU - Valikovics, A.

AU - Bereczki, D.

AU - Fülesdi, B.

AU - Munkácsy, Csaba

AU - Csiba, L.

PY - 2000

Y1 - 2000

N2 - Cerebrovascular reactivity, cerebrovascular reserve capacity, and velocity acceleration can be easily and reliably assessed by mea, suring acetazolamide-induced changes using transcranial Doppler. The authors' aim was to determine whether there are gender-related differences in these parameters. Fifty- six healthy subjects (27 males, 29 females) were examined using transcranial Doppler. Velocities in the middle cerebral artery on both sides were recorded before and at 5, 10, 15, and 20 minutes after intravenous administration of 1 g acetazolamide. The baseline mean flow velocity in the middle cerebral artery was significantly higher in women than in men (p <0.02). After acetazolamide administration, significantly higher cerebrovascular reactivity, cerebrovascular reserve capacity, and velocity acceleration were observed in females than in males (p <0.001 in all cases). Subgroup analysis showed that women before menopause responded with higher cerebrovascular reserve capacity and velocity acceleration than age-matched men (p <0.01 and p <0.001, respectively), but no significant difference was found between females after menopause and men of similar age.

AB - Cerebrovascular reactivity, cerebrovascular reserve capacity, and velocity acceleration can be easily and reliably assessed by mea, suring acetazolamide-induced changes using transcranial Doppler. The authors' aim was to determine whether there are gender-related differences in these parameters. Fifty- six healthy subjects (27 males, 29 females) were examined using transcranial Doppler. Velocities in the middle cerebral artery on both sides were recorded before and at 5, 10, 15, and 20 minutes after intravenous administration of 1 g acetazolamide. The baseline mean flow velocity in the middle cerebral artery was significantly higher in women than in men (p <0.02). After acetazolamide administration, significantly higher cerebrovascular reactivity, cerebrovascular reserve capacity, and velocity acceleration were observed in females than in males (p <0.001 in all cases). Subgroup analysis showed that women before menopause responded with higher cerebrovascular reserve capacity and velocity acceleration than age-matched men (p <0.01 and p <0.001, respectively), but no significant difference was found between females after menopause and men of similar age.

KW - Acetazolamide

KW - Age

KW - Cerebrovascular reactivity

KW - Cerebrovascular reserve capacity

KW - Gender

KW - Transcranial Doppler

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