Cerebral Hemodynamics in Pediatric Hydrocephalus: Evaluation by Means of Transcranial Doppler Sonography PDF Download
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Author: Branislav Kolarovszki
Publisher:
ISBN:
Category : Medicine
Languages : en
Pages :
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Book Description
Active, progressive hydrocephalus in children leads to increase of intracranial pressure, dilatation of cerebral ventricles, and decrease of intracranial compliance. These changes lead to disorder of regulation of cerebral circulation and development of cerebral hypoperfusion resulting in the secondary brain damage. Ependymal disruption, periventricular edema, and compression of the periventricular capillaries can be developed. Ischemia of the white matter can be developed due to hypoperfusion. But it is reversible if treated early and adequately. Transcranial Doppler sonography enables to determine hemodynamic parameters of cerebral circulation in various physiological and pathophysiological conditions. As transcranial Doppler sonography has been regarded to be noninvasive and appropriate for bedside treatment, it can also be applied in children at any age. The goal of this chapter is to assess changes of cerebral circulation in children with hydrocephalus and application of data from scientific studies of intracranial dynamics in children with hydrocephalus in clinical practice. The work is also focused on evaluation of impact of intracranial factors on Doppler parameters of cerebral circulation, especially in neonates with hydrocephalus. The ambition of this chapter is to improve indication and timing of drainage procedure in children with hydrocephalus by application of the results and clinical experience in daily clinical practice.
Author: Branislav Kolarovszki
Publisher:
ISBN:
Category : Medicine
Languages : en
Pages :
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Book Description
Active, progressive hydrocephalus in children leads to increase of intracranial pressure, dilatation of cerebral ventricles, and decrease of intracranial compliance. These changes lead to disorder of regulation of cerebral circulation and development of cerebral hypoperfusion resulting in the secondary brain damage. Ependymal disruption, periventricular edema, and compression of the periventricular capillaries can be developed. Ischemia of the white matter can be developed due to hypoperfusion. But it is reversible if treated early and adequately. Transcranial Doppler sonography enables to determine hemodynamic parameters of cerebral circulation in various physiological and pathophysiological conditions. As transcranial Doppler sonography has been regarded to be noninvasive and appropriate for bedside treatment, it can also be applied in children at any age. The goal of this chapter is to assess changes of cerebral circulation in children with hydrocephalus and application of data from scientific studies of intracranial dynamics in children with hydrocephalus in clinical practice. The work is also focused on evaluation of impact of intracranial factors on Doppler parameters of cerebral circulation, especially in neonates with hydrocephalus. The ambition of this chapter is to improve indication and timing of drainage procedure in children with hydrocephalus by application of the results and clinical experience in daily clinical practice.
Author: Branislav Kolarovszki
Publisher: BoD – Books on Demand
ISBN: 1839624442
Category : Medical
Languages : en
Pages : 160
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Book Description
Negative influence of cerebral circulation with the emergence of cerebral hypoperfusion plays a significant role in the pathophysiology of pediatric hydrocephalus. Transcranial Doppler sonography is a non-invasive method for indirectly measuring intracranial pressure and decreasing intracranial compliance by assessing changes of cerebral circulation. This book discusses the cerebral circulation and intracranial dynamics in pediatric hydrocephalus. It also focuses on evaluating the impact of various intracranial factors on Doppler parameters of cerebral circulation, especially in neonates with hydrocephalus. The ambition of this work is to improve indication and timing of drainage procedure in children with hydrocephalus by applying scientific results and clinical experience.
Author: Harald Bode
Publisher: Springer Science & Business Media
ISBN: 3709189853
Category : Medical
Languages : en
Pages : 157
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Book Description
The measurement of the cerebral circulation in children, particularly in newborns and young infants, has for a long time been high on the list of needs in clinical and scientific pediatrics. The methods available to date have either been too unreliable or unsuitable for use on children. In the course of a research project at the Department of Pediatrics of the Uni versity of Freiburg, Dr. Harald Bode has made the first systematic ex amination of the cerebral circulation of children using transcranial Doppler sonography. Over 500 children with ages between 0 and 18 years were included in this exhaustive study, documenting Doppler measurements in about 3,000 basal cerebral arteries. Basic reference values were obtained which involved adapting the methodology and available equipment to the special re quirements of the pediatrician. Moreover, the influence of biological and physiological factors on these Doppler values has also been considered in addition to those of disease and therapy. The result is an impressive record of the many applications of trans cranial Doppler sonography during childhood. It is not difficult to predict that this methodology will be of lasting value and capable of further de velopment. I hope this book receives the attention it undoubtedly deserves and that the author is able to continue in realizing his fruitful scientific ideas in clinical pediatric practice.
Author:
Publisher:
ISBN: 9781839624452
Category :
Languages : en
Pages :
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Book Description
Author: Viken L. Babikian
Publisher: Butterworth-Heinemann
ISBN:
Category : Medical
Languages : en
Pages : 456
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Book Description
The Second Edition of this highly regarded text provides a current reference source on the clinical and research applications of Transcranial Doppler (TCD) ultrasonography. All of the chapters have been updated to reflect the rapid evolution that has taken place in the field. New information has been included on the increased use of TCD in the operating room, the introduction of contrast media, and the development of new softwares that permit the detection of microemboli.
Author: Rune Aaslid
Publisher: Lippincott Raven
ISBN:
Category : Medical
Languages : en
Pages : 364
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Book Description
This important reference provides complete and current information on the applications of transcranial Doppler ultrasound in the evaluation of cerebrovascular diseases. The book gives practical instructions for performing examinations, explains how to interpret results, provides essential data on normal values, and describes the use of the technique in specific clinical situations such as stroke, head injury, subarachnoid hemorrhage and vasospasm, arteriovenous malformations, and monitoring during carotid surgery. Coverage includes thorough discussions on recent clinical studies, new refinements in transcranial Doppler sonography, and new applications such as monitoring of critically ill patients and detection of cerebral emboli in patients with suspected transient ischemic symptoms. The book also offers comprehensive guidelines on the pediatric applications of transcranial Doppler. More than 200 illustrations, including 20 in full color, complement the text.
Author: Rune Aaslid
Publisher: Springer Science & Business Media
ISBN: 3709188644
Category : Medical
Languages : en
Pages : 187
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Book Description
Every few years a dissertation comes to the area of clinical application of medical technology which carries us forward as on a magic carpet into new regions of understanding and patient care. This book is such a magic carpet. It brings together, in a clear and incisive fashion, important hemodynamic principles with a simple noninvasive method of application to a part of the cerebral vasculature which has been relatively inaccessible. To the lucky and perceptive person who reads this book, a feeling of excitement and hope for progress is engendered. The diligent application of the potentials of transcranial Doppler ultrasound brings new power to our efforts in understanding the cerebral circulation and the causes, treatment and prevention of cerebrovascular disorders. Merrill P. Spencer, M. D. Director Institute of Applied Physiology and Medicine Seattle, Wash. , July 1986 Acknowledgements I am greatly indebted to Prof. He1ge Nornes, Oslo, who introduced me to the fascinating study of cerebral hemodynamics in the early 1970's and since then continually encouraged my interest in this field. It was through his pioneering work on the cerebral circulation-using peroperative electromagnetic flowmetry and Doppler techniques-that the basis was laid for the noninvasive trans cranial approach to the circle of Willis described in this book. I also gratefully acknowledge the stimulating case discussions with Prof. Peter Huber, Berne, at the very early introduction of trans cranial Doppler, the inspiring exchange of ideas with Dr. Merrill P.
Author: Theodoros Aslanidis
Publisher: BoD – Books on Demand
ISBN: 1789237939
Category : Medical
Languages : en
Pages : 90
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Book Description
In the era of functional hemodynamic monitoring and computational modeling, the present book published by IntechOpen® highlights some interesting aspects in the field. Divided into two sections, it presents hemodynamic topics of special interest. Thus, the authors offer the readers not only a "vigorous" review of the current literature but also a research direction for further advancement.
Author: Daniele Rigamonti
Publisher: Cambridge University Press
ISBN: 110703177X
Category : Medical
Languages : en
Pages : 331
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Book Description
Provides guidelines for managing this grossly underdiagnosed and undertreated condition, focusing on early detection and timely, effective interventions.
Author: Camilo N. Rodríguez
Publisher: Springer Nature
ISBN: 303081419X
Category : Medical
Languages : en
Pages : 1143
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Book Description
This textbook addresses the classical use of Transcranial Doppler (TCD) and Transcranial Color-Coded Duplex Sonography (TCCS), focusing on the usefulness of neurological monitoring beyond classical acute brain injuries present in the daily intensive care medical practice. It encompasses a wide range of critical pathologies where neurological impact is part of clinical evolution, offering practical approaches for managing, application and interpretation of neurosonology to assist the physician to making real-time individualized decisions at bedside. It is an academic guide developed and edited by international experts being a very useful resource in daily practice for intensivists, neurologists, neurosurgeons and other specialists involving in critical care.
