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(Stroke. 1995;26:1196-1199.)
© 1995 American Heart Association, Inc.

Articles

Venous Transcranial Doppler Ultrasound Monitoring in Acute Dural Sinus Thrombosis

Report of Two Cases

José Manuel Valdueza, MD; Matthias Schultz, MD; Lutz Harms, MD Karl Max Einhäupl, MD

From the Department of Neurology, University Hospital Charité, Humboldt University, Berlin, Germany.

Correspondence to José Manuel Valdueza, MD, Department of Neurology, University Hospital Charité, Humboldt University, Schumannstraße 20/21, 10117 Berlin, Germany.

Background and Purpose We sought to establish the efficacy of the Doppler technique in the evaluation of the intracranial venous system and to assess its usefulness in the monitoring of venous collateral pathways in superior sagittal sinus thrombosis.

Methods Venous Doppler ultrasound was performed with a range-gated 2-MHz transducer in 10 healthy volunteers and in two patients with superior sagittal sinus thrombosis confirmed by cerebral angiography.

Results In normal control subjects, a venous signal was found at a depth ranging from 40 to 72 mm, which was considered to correspond to the deep middle cerebral vein and the basal vein of Rosenthal. Mean blood flow velocities ranged from 9 to 20 cm/s. In both patients with superior sagittal sinus thrombosis, Doppler studies detected elevated mean blood flow velocities (146 and 33 cm/s), which normalized after 16 weeks and 1 week, respectively.

Conclusions Venous transcranial Doppler ultrasonography provides a reliable, noninvasive, and rapid technique for intracranial venous examination. It was performed without difficulty in young healthy volunteers, and it can be applied as a monitoring tool in the evaluation of collateral venous flow in superior sagittal sinus thrombosis.

Key Words: blood flow velocity • cerebral veins • Doppler • sinus thrombosis

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