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- W2885621120 abstract "Background and Purpose—Transcranial color-coded duplex sonography (TCCS) of intracranial veins and sinuses in adults is a new, emerging application of ultrasonographic imaging. This study reports a standardized examination protocol for venous TCCS and provides reference data for clinical application. Methods—In 130 healthy volunteers (mean age, 45.9±16.9 years; range, 14 to 77 years) the intracranial venous system was examined using frequency-based transtemporal TCCS. Identification rate, blood flow velocity , resistance index, and systolic/diastolic ratio were recorded for each examined venous vessel. Results—Intracranial veins and sinuses show a low pulsatile forward flow with maximal systolic blood flow velocity up to 20 cm/s. Significant side differences of blood flow velocity in the paired venous structures could not be detected. Venous flow velocities decreased with age, whereas resistance indices and systolic/diastolic ratios increased. Women showed higher flow velocities than men. Mean identificat..." @default.
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- W2885621120 date "1999-05-01" @default.
- W2885621120 modified "2023-09-26" @default.
- W2885621120 title "Transcranial Color-Coded Duplex Sonography of Intracranial Veins and Sinuses in Adults" @default.
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