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Pediatric Applications of Transcranial Doppler Sonography

Author: Harald Bode

Publisher: Springer Science & Business Media

Published: 2013-12-01

Total Pages: 157

ISBN-13: 3709189853

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.

The Role of Transcranial Doppler Sonography in the Management of Pediatric Hydrocephalus

Author: Branislav Kolarovszki

Publisher: BoD – Books on Demand

Published: 2019-11-06

Total Pages: 160

ISBN-13: 1839624442

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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.

Doppler Sonography in Infancy and Childhood

Author: Karl-Heinz Deeg

Publisher: Springer

Published: 2014-08-15

Total Pages: 745

ISBN-13: 3319035061

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This book covers the full range of current applications of Doppler sonography in infancy and childhood, describing the variety of potential findings with the aid of a wealth of images. After an introductory chapter on the physical and technical basis of Doppler sonography, applications of cerebral Doppler sonography in infancy and of transcranial Doppler sonography in childhood are addressed, with numerous examples of imaging appearances. The major part of the book is devoted to Doppler sonography of the brain, face and neck and of the abdomen, covering normal abdominal vessels, liver, spleen, pancreas, and mesenteric and renal circulation. Imaging of the ovaries and testes is also presented, encompassing the differential diagnosis of acute scrotum and other space-occupying lesions of the testis. The book closes by considering Doppler sonography of soft tissue and vascular malformations, and the influence of congenital heart malformations on flow parameters in peripheral arteries. Doppler Sonography in Infancy and Childhood will be an invaluable reference for pediatricians, neonatologists, pediatric sonographers, and pediatric and general radiologists.

Transcranial Doppler Sonography

Author: Rune Aaslid

Publisher: Springer Science & Business Media

Published: 2012-12-06

Total Pages: 187

ISBN-13: 3709188644

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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.

Pediatric Sonography

Author: Marilyn J. Siegel

Publisher: Lippincott Williams & Wilkins

Published: 2011-12-21

Total Pages: 736

ISBN-13: 1451153228

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Pediatric Sonography, Fourth Edition gives you a complete working knowledge of the latest scanning technologies and the clinical applications of ultrasound in pediatric and adolescent patients. Readers will find just the guidance they need to determine the most appropriate imaging method for evaluating a specific clinical problem, conduct the sonographic examination, and interpret the findings. The book shows the sonographic appearance of normal anatomy and disease processes within each organ system and points out technical and interpretive artifacts and errors that can affect evaluations. This edition features more than 1,800 clear, sharp images, including over 300 full-color images throughout. Other highlights include a new chapter on breast sonography, discussions of the uses and limitations of mobile instrumentation, and expanded coverage of ultrasound-guided interventional procedures.

The Role of Transcranial Doppler Sonography in the Management of Pediatric Hydrocephalus

Author:

Publisher:

Published: 2019

Total Pages:

ISBN-13: 9781839624452

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Neurosurgical Applications of Transcranial Doppler Sonography

Author: A. Harders

Publisher: Springer Science & Business Media

Published: 2012-12-06

Total Pages: 143

ISBN-13: 3709188687

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In 1981, the Norwegian physiologist and cyberneticist, Rune Aaslid, developed a device which made it possible to apply the transcranial Doppler sonographic technique in man. In 1983, Dr. Albrecht Harders took on the project of working out a clinically practicable method that would allow atraumatic measurements to be made of the blood flow velocity in the large branches ofthe circle of Willis. The technique has now become a competitor of the conventional methods of measuring the intracranial hemodynamics, including angiography and the xenon method of cerebral blood flow measurement. Harders proceeded from the assumption that the measurement of the blood flow velocity is more relevant for clinical diagnoses than the usual volume flow measurements. He stresses the very valuable application of the technique in detecting cerebral vasospasm before and after aneurysm surgery. The changes in the blood flow velocities measured by transcranial Doppler sonography in the individual vessel segments of the circle of Willis are interpreted with respect to the various factors that can effect such changes (collateral circulation in the circle of Willis, diameter of the vessel, vascular resistance, the general cardiovascular situation, arterial partial CO pressure, autoregulatory factors, position of body). The rate of 2 complications associated with angiography has thus been reduced, since the best time both for angiography and for surgery can be determined, and continuous TCD examinations show when the patient is out of a critical phase of cerebral vasospasm.

Transcranial Doppler

Author: Rune Aaslid

Publisher: Lippincott Raven

Published: 1992

Total Pages: 364

ISBN-13:

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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.

Neurovascular Imaging

Author: Luca Saba

Publisher: Springer

Published: 2016-01-25

Total Pages: 0

ISBN-13: 9781461490289

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Vascular Neurology, Vascular Neurosurgery and Interventional Neuroradiology are independent fields with dedicated Training Programs. Neuroimaging, and in particular what we call "Neurovascular Imaging" is a unifying factor which can be considered the intersection of these three medical specialties. With this book we aim to cover thoroughly the imaging techniques, potentialities, and present and future applications as applied to all the vascular diseases of the central nervous system from the imaging point of view. This book will comprise eight main sections: (1) The Basics, (2) Arteries of the Head and Neck (3) The basics of Intracranial Arteries (4) Diseases of the vessels (5) Stroke Imaging (6) Veins Imaging (7) Spine Imaging (8) Pediatrics.

Pediatric Sonography

Author: Marilyn J. Siegel

Publisher: Lippincott Williams & Wilkins

Published: 1994

Total Pages: 620

ISBN-13:

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Now in its Third Edition, Pediatric Sonography has been revised and expanded to give you a complete working knowledge of the latest scanning technologies and the growing clinical applications of ultrasound in pediatric patients. Readers will find just the guidance they need to determine which imaging method is most appropriate for evaluating a specific clinical problem...conduct the sonographic exam...recognize the sonographic appearance of normal anatomy as well as disease processes within each organ system...be more aware of technical and interpretative errors that can affect evaluations...and understand why this cost-effective, non-invasive technique is ideal for imaging children. This edition features more than 1,700 clear, sharp images...more pulsed Doppler sonograms...and more color images.