Abstract
Physiologic functioning of the cerebrovenous system is indispensable for maintaining normal brain function. However, in contrast to the cerebroarterial system, the cerebral venous return is not routinely investigated. Combined high-resolution echo-colour-Doppler (ECD) and transcranial colour coded Doppler sonography (TCCS) represents an ideal method to investigate the haemodynamics of cerebral venous return. TCCS-ECD is noninvasive, repeatable, costeffective and permits to investigate the cerebral venous outflow in its dependence upon changes in posture and the alternating pressure gradients of the thoracic pump. Several authors reported normal parameters concerning related aspects of cerebral venous return. However, there is no ECD-TCCS standardization of what can be considered a normal venous return. The authors have summarized the current knowledge of the Doppler haemodynamics of the cerebrovenous system and propose a list of reproducible clinical parameters for its sonographic evaluation. In future, the development of this diagnostic technique could be of singular interest in iron-related inflammatory and neurodegenerative disorders like multiple sclerosis.
Keywords: Haemodynamics, Cerebral Venous Return, cerebrovenous system, echo-colour-Doppler (ECD), sonographic evaluation, diagnostic technique, neurodegenerative disorders, sclerosis
Current Neurovascular Research
Title: Doppler Haemodynamics of Cerebral Venous Return
Volume: 5 Issue: 4
Author(s): Erica Menegatti and Paolo Zamboni
Affiliation:
Keywords: Haemodynamics, Cerebral Venous Return, cerebrovenous system, echo-colour-Doppler (ECD), sonographic evaluation, diagnostic technique, neurodegenerative disorders, sclerosis
Abstract: Physiologic functioning of the cerebrovenous system is indispensable for maintaining normal brain function. However, in contrast to the cerebroarterial system, the cerebral venous return is not routinely investigated. Combined high-resolution echo-colour-Doppler (ECD) and transcranial colour coded Doppler sonography (TCCS) represents an ideal method to investigate the haemodynamics of cerebral venous return. TCCS-ECD is noninvasive, repeatable, costeffective and permits to investigate the cerebral venous outflow in its dependence upon changes in posture and the alternating pressure gradients of the thoracic pump. Several authors reported normal parameters concerning related aspects of cerebral venous return. However, there is no ECD-TCCS standardization of what can be considered a normal venous return. The authors have summarized the current knowledge of the Doppler haemodynamics of the cerebrovenous system and propose a list of reproducible clinical parameters for its sonographic evaluation. In future, the development of this diagnostic technique could be of singular interest in iron-related inflammatory and neurodegenerative disorders like multiple sclerosis.
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Cite this article as:
Menegatti Erica and Zamboni Paolo, Doppler Haemodynamics of Cerebral Venous Return, Current Neurovascular Research 2008; 5 (4) . https://dx.doi.org/10.2174/156720208786413442
DOI https://dx.doi.org/10.2174/156720208786413442 |
Print ISSN 1567-2026 |
Publisher Name Bentham Science Publisher |
Online ISSN 1875-5739 |
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