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Correlation between hemodynamic change of extracranial cerebral vessels evaluated by ultrasound and intracranial arterial stenosis / 中华超声影像学杂志
Chinese Journal of Ultrasonography ; (12): 491-495, 2016.
Artículo en Chino | WPRIM | ID: wpr-494944
ABSTRACT
Objective By analyzing the correlation between Doppler spectrum of extracranial cerebral vessels ECV and intracranial arterial stenosis IAS to identify the value of hemodynamic change of ECV in predicting IAS Methods One hundred and four patients with moderate to severe IAS or intracranial arterial occlusion were enrolled in the case group while 32 patients without obvious cerebrovascular disease in the same period were enrolled in the control group Ultrasound examinations of ECV were performed for all patients the hemodynamic parameters of bilateral common carotid artery CCA internal carotid artery ICA and vertebral artery VA were recorded and compared between case and control group Results Compared with control group the ECV of patients with IAS had lower velocity and higher resistance index RI Of all the parameters end diastolic velocity EDV of ICA and EDV of VA were most accurate in predicting IAS with best cut off value of 21 3 cm/s 9 6 cm/s and accuracy of 76 1 % 81 0% respectively Conclusions The ECV of IAS patients tend to have lower velocity and higher RI Analysis of hemodynamic parameters of ECV might be useful in predicting IAS.

Texto completo: Disponible Índice: WPRIM (Pacífico Occidental) Idioma: Chino Revista: Chinese Journal of Ultrasonography Año: 2016 Tipo del documento: Artículo

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Texto completo: Disponible Índice: WPRIM (Pacífico Occidental) Idioma: Chino Revista: Chinese Journal of Ultrasonography Año: 2016 Tipo del documento: Artículo