Relevant bibliographies by topics / Transcranial Doppler ultrasound

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  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers

Academic literature on the topic 'Transcranial Doppler ultrasound'

Author: Grafiati
Published: 4 June 2021
Last updated: 26 January 2023

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Journal articles on the topic "Transcranial Doppler ultrasound"

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Markus, H. S. "Transcranial Doppler ultrasound." British Medical Bulletin 56, no. 2 (2000): 378–88. http://dx.doi.org/10.1258/0007142001903021.

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Young, William L. "Transcranial Doppler Ultrasound." Journal of Neurosurgical Anesthesiology 3, no. 4 (1991): 311–12. http://dx.doi.org/10.1097/00008506-199112000-00013.

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MARKUS, H. S. "Transcranial Doppler ultrasound." Journal of Neurology, Neurosurgery & Psychiatry 67, no. 2 (1999): 135–37. http://dx.doi.org/10.1136/jnnp.67.2.135.

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Strandness, D. E., and T. S. PADAYACHEE. "Transcranial Doppler Ultrasound: A Review." Echocardiography 5, no. 2 (1988): 121–35. http://dx.doi.org/10.1111/j.1540-8175.1988.tb00243.x.

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Caplan, L. R., L. M. Brass, L. D. DeWitt, et al. "Transcranial Doppler ultrasound: Present status." Neurology 40, no. 4 (1990): 696. http://dx.doi.org/10.1212/wnl.40.4.696.

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Samantaray, Aloka, Hemanth Natham, Mukkara Madhusudan, and Hemalatha Pasupuleti. "Transcranial Doppler ultrasound for the brain." Journal of Clinical and Scientific Research 8, no. 3 (2019): 162. http://dx.doi.org/10.4103/jcsr.jcsr_70_19.

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Lewis, Philip M., and Peter Y. K. Hwang. "Letter: Image-Guided Transcranial Doppler Ultrasound." Neurosurgery 70, no. 3 (2011): 786. http://dx.doi.org/10.1227/neu.0b013e3182400279.

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Purkayastha, Sushmita, and Farzaneh Sorond. "Transcranial Doppler Ultrasound: Technique and Application." Seminars in Neurology 32, no. 04 (2013): 411–20. http://dx.doi.org/10.1055/s-0032-1331812.

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Blanco, Pablo, and Anselmo Abdo-Cuza. "Transcranial Doppler ultrasound in neurocritical care." Journal of Ultrasound 21, no. 1 (2018): 1–16. http://dx.doi.org/10.1007/s40477-018-0282-9.

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Giller, Cole A. "Neurosurgical Applications of Transcranial Doppler Ultrasound." Contemporary Neurosurgery 17, no. 1 (1995): 1–5. http://dx.doi.org/10.1097/00029679-199517010-00001.

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Dissertations / Theses on the topic "Transcranial Doppler ultrasound"

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Pietrangelo, Sabino Joseph. "A wearable Transcranial Doppler ultrasound phased array system." Thesis, Massachusetts Institute of Technology, 2017. http://hdl.handle.net/1721.1/108848.

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Thesis: Ph. D., Massachusetts Institute of Technology, Department of Electrical Engineering and Computer Science, 2017.<br>This electronic version was submitted by the student author. The certified thesis is available in the Institute Archives and Special Collections.<br>Cataloged from student-submitted PDF version of thesis.<br>Includes bibliographical references (pages 183-190).<br>Transcranial Doppler (TCD) sonography is a specialized ultrasound technique that enables measurement of blood ow velocity from the basal intracerebral vessels. Use of TCD sonography is highly compelling as a diagnostic modality due to its safety in prolonged studies, high temporal resolution, and relative portability. Although TCD methods have been clinically indicated in a variety of cerebrovascular diagnostic applications, general acceptance by the medical community has been impeded by several critical deficiencies { including the need for a highly-trained TCD operator, operator dependent measurement results, and severe patient movement restrictions. This thesis seeks to mitigate such limitations through the development of a compact, wearable TCD ultrasound system, permitting untethered cerebrovascular monitoring with limited operator interaction. The prototype system incorporates a custom two-dimensional transducer array and multi-channel transceiver electronics, thereby facilitating acoustic focusing via phased array operation. Algorithmic vessel search and tracking further reduce operator dependencies by expediting vessel localization, systematizing vessel identification, and dynamically adapting to relative vessel position. Additionally, focal correction methods are presented, which improve acoustic beamformation capabilities in the presence of tissue inhomogeneities. Validation of the prototype hardware and embedded signal processing implementations under flow phantom and human subject testing yields high correlation with accepted velocimetry methods. Vessel search and tracking functionality are also verified experimentally. Circuit integration is explored to further reduce instrumentation dimensions and power consumption.<br>by Sabino Joseph Pietrangelo.<br>Ph. D.
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Pietrangelo, Sabino Joseph. "An electronically steered, wearable transcranial doppler ultrasound system." Thesis, Massachusetts Institute of Technology, 2013. http://hdl.handle.net/1721.1/79234.

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Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 2013.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (p. 137-144).<br>This thesis details the design of a transcranial Doppler (TCD) ultrasound system to measure cerebral blood flow velocity (CBFV) at the middle cerebral artery (MCA). TCD sonography has been clinically indicated in a variety of neurovascular diagnostic applications. Acceptance of conventional TCD methods, however, has been primarily impeded by several constraints, including restrictive system form factors, measurement reliability concerns, and the need for a highly-skilled operator. The goal of this work is to reduce the effects of such limitations through the development of a highly-compact, wearable TCD ultrasound system for autonomous CBFV measurement. A first-generation, eight channel printed circuit board prototype system has been designed, fabricated, and experimentally tested. Characterization of the prototype system using a Doppler flow phantom resulted in a normalized root-mean-square error of < 3.5% over the range of expected in vivo MCA flow velocities. Extension of the initial prototype to higher channel count systems and the development of phased array beamformation and algorithmic vessel location are also examined in this work. The emergence of simple, robust, and non-invasive neurovascular diagnostic methods presents an enormous opportunity for the advancement of neurovascular monitoring, particularly in applications where - due to restrictions in current diagnostic modalities - standard monitoring procedures have not yet been established.<br>by Sabino Joseph Pietrangelo.<br>S.M.
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Weir, Alexander James. "Channel characterisation and modelling for transcranial Doppler ultrasound." Thesis, Heriot-Watt University, 2016. http://hdl.handle.net/10399/3341.

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The detection of micro-embolic signals (MES) is a mature application of transcranial Doppler (TCD) ultrasound. It involves the identification of abnormally highpitched signals within the arterial waveform as a method of diagnosis and prediction of embolic complications in stroke patients. More recently, algorithms have been developed to help characterise and classify MES using advanced signal processing techniques. These advances aim to improve our understanding of the causes of cereberovascular disease, helping to target the most appropriate interventions and quantifying the risk to patients of further stroke events. However, there are a number of limitations with current TCD systems which reduce their effectiveness. In particular, improvements in our understanding of the scattering effects in TCD ultrasound propagation channels will benefit our ability to develop algorithms that more robustly and reliably identify the consistency and material make-up of MES. This thesis explores TCD propagation channels in three related research areas. Firstly, a method of characterising TCD ultrasound propagation channels is proposed. Isotropic and non-isotropic three dimensional space (3-D) spherical scattering channel models are described in terms of theoretical reference models, simulation models, and sum of sinusoids (SoS) simulators, allowing the statistical properties to be analysed and reported. Secondly, a TCD ultrasound medical blood flow phantom is described. The phantom, designed to replicate blood flow in the middle cerebral arteries (MCA) for TCD ultrasound studies, is discussed in terms of material selection, physical construction and acoustic characteristics, including acoustic velocity, attenuation and backscatter coefficients. Finally, verification analysis is performed on the non-isotropic models against firstly, the blood flow phantom, and secondly, a patient recordings database. This analysis expands on areas of agreement and disagreement before assessing the usefulness of the models and describing their potential to improve signal processing approaches for detection of MES. The proposed non-isotropic channel reference model, simulation model, SoS simulator, and blood flow phantom are expected to contribute to improvements in the design, testing, and performance evaluation of future TCD ultrasound systems.
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Magee, Timothy Raymond. "The role of bilateral transcranial doppler sonography in carotid endarterectomy." Thesis, University of Bristol, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.322523.

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Weber, Marcel Grolimund Peter Seiler Rolf W. "Evaluation of post-traumatic cerebral vasospasm by transcranial doppler ultrasound /." [Bern] : [s.n.], 1989. http://www.ub.unibe.ch/content/bibliotheken_sammlungen/sondersammlungen/dissen_bestellformular/index_ger.html.

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Wong, Michael Lik Hang. "Transcranial doppler ultrasound pulsatility index and cerebral blood flow autoregulation in neurotrauma /." Title page and abstract only, 1994. http://web4.library.adelaide.edu.au/theses/09MS.B/09ms.bw872.pdf.

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Cullinane, M. "The study of cerebral emboli using transcranial doppler ultrasound : clinical and technical studies." Thesis, King's College London (University of London), 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.369127.

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MacKinnon, Andrew David. "Cerebral embolism in carotid stenosis : embolic signal detection with conventional and novel ambulatory transcranial Doppler ultrasound." Thesis, St George's, University of London, 2005. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.424769.

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Errico, Claudia. "Ultrasound sensitive agents for transcranial functional imaging, super-resolution microscopy and drug delivery." Sorbonne Paris Cité, 2016. http://www.theses.fr/2016USPCC013.

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Cette thèse porte sur deux branches majeures de l'utilisation d'agents sensibles aux ultrasons: l'échographie ultrarapide du cerveau assistée par microbulles et la délivrance par ultrasons de médicaments pour la thérapie du cancer. Dans la première approche, des microbulles remplies de gaz fluoré ont été utilisés pour observer l'activation du cerveau à travers le crâne des rongeurs. Nous avons été en mesure de reconstituer de manière non invasive le réseau vasculaire du cerveau, puis de récupérer sa réponse hémodynamique avec une résolution spatio-temporelle élevée. La validation de cette approche d'imagerie fonctionnelle par échographie (FUS) a été facilitée par la grande sensibilité de la technique du Doppler ultrarapide ultrasensible. En effet, cette modalité d'imagerie permet de détecter les changements hémodynamiques dus au couplage neurovasculaire avec une grande résolution (1ms, 100pm). Ces résultats suggèrent que la combinaison des agents de contraste et l'imagerie ultrarapide peut aider à compenser entièrement l'atténuation par le crâne, et ce en préservant la résolution et en augmentant la profondeur de pénétration. L'injection d'agents de contraste ultrasonore a également conduit à des résultats remarquables en imagerie ultrasonore ultrarapide. La barrière de la diffraction a été contournée pour aller au-delà de la limite de demi-longueur d'onde de résolution. Nous avons démontré que des microvaisseaux cérébraux de 9pm de diamètre peuvent être distingués par microscopie échographie ultrarapide de localisation (uULM). Des millions de sources «clignotantes» sont localisées dans l'espace et dans le temps, conduisant à des images super-résolues (cartographie de densité de microbulles) de l'ensemble du réseau vasculaire du cerveau du rat avec une résolution spatiale de À / 10. En outre, les trajets des microbulles au cours du temps ont pu être relevés et ainsi permettre d'extraire les vitesses des flux sanguins avec une grande dynamique. Dans la seconde approche, nous avons exploité la manière dont nous pouvons contrôler, spatialement et temporellement, la vaporisation de micro gouttes composites de perfluorocarbone (PFC) lorsque leur activation est déclenchée par de courtes impulsions ultrasonore. Le concept de "chimie in-situ" est introduit dès lors que nous avons été en mesure de contrôler une réaction chimique spontanée in vitro. En outre, dans le cadre des applications in vivo de la chimie in situ, un nouveau dispositif microfluidique en verre a été proposé afin de permettre une production stable et rapide de gouttes monodisperses. Ce nouveau dispositif présente 128 générateurs en parallèles avec deux canaux sous pression. Finalement, de nouvelles séquences d'échographie de contrôle ultra-rapides ont été développées dans le but de contrôler et de surveiller la libération des gouttelettes composites<br>This thesis focuses on two main branches of the application of ultrasound contrast agents: microbubbles-aided ultrafast ultrasound imaging of the brain and ultrasound-triggered drug delivery for cancer therapy. At first, gas-filled microbubbles have been used to retrieve the brain activation through the skull in large animais. With this approach we have been able to non-invasively reconstruct the cerebral network of the brain, as well as retrieve its hemodynamic response to specific evoked tasks with high spatiotemporal resolution. The validation of this novel functional ultrasound (fUS) imaging approach was facilitated by the high sensitivity of the ultrasensitive Doppler technique able to detect subtle hemodynamic changes due to the neurovascular coupling. These resuits suggested that combining microbubbles injections with ultrafast imaging may help to fully compensate for the attenuation from the skull. Indeed, by combining both, we preserved resolution and increased penetration depth. The injection of ultrasound contrast agents has also lead to outstanding resuits in ultrafast ultrasound imaging by breaking the diffraction barrier and move beyond the half-wavelength limit in resolution. We have demonstrated that cerebral microvessels of 9pm in diameter can me distinguished via ultrafast ultrasound localization microscopy (uULM). Millions of blinking sources were localized in space and in time in few seconds in a higher dimensional space, leading to super-resolved images (microbubble density map) of the whole rat brain with a spatial resolution of À/10. Moreover, a displacement vector allowed microbubbles-tracking within frames yielding to in-plane velocity measurements retrieving a large dynamic of cerebral blood velocities. Next, we have exploited how we can spatiotemporally control the vaporization of composite perfluorocarbon (PFC) microdroplets when their activation is triggered by short ultrasound pulses. The concept 'chemistry in-situ' is introduced as we have been able to control a spontaneous chemical reaction in-vitro. Moreover, a new microfluidic device in glass has been proposed to robustly produce monodisperse droplets for future in-vivo applications of the chemistry in situ. This new device presents 128-parallel generators with two pressurized rivers. Eventually, new ultrafast ultrasound monitoring sequences have been developed in order to control and monitor the release of composite droplets
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Krauskopf, Erin Elizabeth. "Cognitive Function Following Bubble-Contrast Transcranial Doppler for Evaluation of Right-to-Left Shunt." BYU ScholarsArchive, 2014. https://scholarsarchive.byu.edu/etd/5518.

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Background: Stroke is a leading cause of significant physical, cognitive, and psychiatric morbidity. One risk factor for stroke is paradoxical embolization through a patent foramen ovale (PFO). In cardiac clinical practice, power M-mode Transcranial Doppler (TCD) evaluation is the gold standard for diagnosis of PFO, or right-to-left cardiac shunt (RLS). Brain micro-embolization due to diagnostic bubble contrast echocardiography may cause neurological symptoms in patients with PFO. However, the neurocognitive effects of TCD have not been studied. Objective: The purpose of this study was to evaluate cognitive outcomes in patients who undergo routine diagnostic bubble contrast TCD. The aims of the study were (1) to determine if cognitive function declines pre- to post-TCD evaluation and, (2) to assess the relationship between cognitive function and severity of the RLS measured using the Spencer Grading System. Methods: One hundred and four participants referred to Sorensen Cardiovascular Group for diagnosis of RLS were evaluated for changes in cognitive functioning at three time points. A dual baseline (pre-test and baseline test) was administered to mitigate practice effects between the first and second administrations. All pre and post-TCD comparisons were analyzed using the baseline test and post-TCD test, controlling for the effects of practice, if present. Results: Practice effects were observed for the working memory task, with significant improvement in working memory scores occurring between the first (pre-test) and second (baseline) administrations. The main effect for shunt group (no shunt vs. moderate-to-severe shunt) and the shunt group by time interactions were not significant for processing speed, attention, or working memory, adjusting for practice effects, age, and education. Migraine did not predict group status for mood or shunt variables. Conclusion: Cardiac patients with both small and large RLS did not experience a decline in processing speed, attention, or working memory ability following TCD, suggesting that TCD-induced microemboli do not result in immediate cognitive deficits in these domains. These findings support the use of TCD for routine evaluation of PFO, even in patients with severe RLS, although findings are limited to young (30s), medically healthy, predominately Caucasian individuals assessed immediately following TCD. Results do not exclude the possibility of cognitive impairment at follow-up, on other cognitive tests, or in other cognitive domains.
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Books on the topic "Transcranial Doppler ultrasound"

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Gardner, Andrew, Grant L. Iverson, Paul van Donkelaar, Philip N. Ainslie, and Peter Stanwell. Magnetic Resonance Spectroscopy, Diffusion Tensor Imaging, and Transcranial Doppler Ultrasound Following Sport-Related Concussion. Edited by Ruben Echemendia and Grant L. Iverson. Oxford University Press, 2015. http://dx.doi.org/10.1093/oxfordhb/9780199896585.013.12.

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Sport-related concussion has been referred to as a functional rather than a structural injury with neurometabolic and microstructural alterations reported in several studies. Accordingly, conventional neuroimaging techniques, such as computed tomography (CT) and structural magnetic resonance imaging (MRI), have limited value beyond ruling out structural injury such as a contusion or hemorrhage. This chapter presents a review of three neuroimaging techniques that offer insight into the connectivity and neurometabolic consequences of concussion. A number of studies have now been published using magnetic resonance spectroscopy (MRS), diffusion tensor imaging (DTI)/diffusion-weighted imaging, and transcranial Doppler ultrasound (TCD) with varying findings. The results of these studies will be presented, together with current and possible future application of these techniques within the field of sport-related concussion.
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Hennerici, Michael G., and Stephen P. Meairs. Cerebrovascular Ultrasound: Theory, Practice and Future Developments. University of Cambridge ESOL Examinations, 2014.

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(Editor), Michael G. Hennerici, and Stephen P. Meairs (Editor), eds. Cerebrovascular Ultrasound: Theory, Practice and Future Developments. Cambridge University Press, 2001.

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Book chapters on the topic "Transcranial Doppler ultrasound"

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Gullett, John, Hilary F. H. Beason, and David C. Pigott. "Transcranial Doppler." In Emergency Point-of-Care Ultrasound. John Wiley & Sons, Ltd, 2017. http://dx.doi.org/10.1002/9781119072874.ch19.

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Edmonds, Harvey L. "Transcranial Doppler Ultrasound." In Monitoring the Nervous System for Anesthesiologists and Other Health Care Professionals. Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-46542-5_13.

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Thimmappa, Nanda. "Transcranial Doppler Ultrasound." In Procedures and Protocols in the Neurocritical Care Unit. Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-90225-4_12.

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Grolimund, P. "Transmission of Ultrasound Through the Temporal Bone." In Transcranial Doppler Sonography. Springer Vienna, 1986. http://dx.doi.org/10.1007/978-3-7091-8864-4_2.

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Lohmann, Hubertus, E. Bernd Ringelstein, and Stefan Knecht. "Functional Transcranial Doppler Sonography." In Handbook on Neurovascular Ultrasound. KARGER, 2006. http://dx.doi.org/10.1159/000092437.

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Kirsch, Jonathan D. "Essentials of Transcranial Doppler Ultrasound." In Neurovascular Imaging. Springer New York, 2016. http://dx.doi.org/10.1007/978-1-4614-9029-6_36.

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Kirsch, Jonathan D. "Essentials of Transcranial Doppler Ultrasound." In Neurovascular Imaging. Springer New York, 2014. http://dx.doi.org/10.1007/978-1-4614-9212-2_36-1.

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Evans, David H. "Transcranial Doppler Ultrasound: Physical Principles." In Neurosonology in Critical Care. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-81419-9_6.

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Kim, Young, Sujin Lee, Drena Root, Scott Manchester, and Anahita Dua. "Transcranial Doppler (Non-imaging)." In The Massachusetts General Hospital Clinical Approach to Vascular Ultrasound. Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-93127-8_2.

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Harders, Albrecht G. "Prinicples of Ultrasound Doppler Sonography." In Neurosurgical Applications of Transcranial Doppler Sonography. Springer Vienna, 1986. http://dx.doi.org/10.1007/978-3-7091-8868-2_3.

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Conference papers on the topic "Transcranial Doppler ultrasound"

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Lindsey, Brooks D., Nikolas M. Ivancevich, Edward D. Light, et al. "The ultrasound brain helmet for 3D transcranial Doppler imaging." In 2009 IEEE International Ultrasonics Symposium. IEEE, 2009. http://dx.doi.org/10.1109/ultsym.2009.5441617.

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Vindas, Yamil, Emmanuel Roux, Blaise Kevin Guepie, Marilys Almar, and Philippe Delachartre. "Semi-supervised annotation of Transcranial Doppler ultrasound micro-embolic data." In 2021 IEEE International Ultrasonics Symposium (IUS). IEEE, 2021. http://dx.doi.org/10.1109/ius52206.2021.9593847.

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Xu, Yang, Tingting Ren, Hailong Song, Yanxiang Fu, and Guangxin Dong. "Development of a Calibration Device for Ultrasound Transcranial Doppler System." In 2021 3rd International Academic Exchange Conference on Science and Technology Innovation (IAECST). IEEE, 2021. http://dx.doi.org/10.1109/iaecst54258.2021.9695894.

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Weir, Alexander, Cheng-Xiang Wang, and Stuart Parks. "3-D Half-spheroid models for transcranial Doppler ultrasound propagation channels." In 2014 IEEE-EMBS International Conference on Biomedical and Health Informatics (BHI). IEEE, 2014. http://dx.doi.org/10.1109/bhi.2014.6864467.

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de Souza-Daw, Tony, Thang Manh Hoang, and Tien Dzung Nguyen. "Towards ultrasonic detection of acoustic windows for transcranial Doppler ultrasound and related procedures." In 16th Int'l Symposium on Theoretical Electrical Engineering (ISTET). IEEE, 2011. http://dx.doi.org/10.1109/inds.2011.6024820.

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Weir, Alexander J., Cheng-Xiang Wang, and Stuart Parks. "Pre-clinical investigations of multi-path propagation in transcranial Doppler ultrasound flow phantom." In 2016 38th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC). IEEE, 2016. http://dx.doi.org/10.1109/embc.2016.7591503.

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Okumura, Shigeaki, Hirofumi Taki, Toru Sato, and Aya Kita. "Transcranial Doppler ultrasound using adaptive beamforming technique for the suppression of high-intensity interferences." In 2013 IEEE International Ultrasonics Symposium (IUS). IEEE, 2013. http://dx.doi.org/10.1109/ultsym.2013.0375.

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MEYER, GEORG, SOPHIE WUERGER, and NATALIE T. UOMINI. "A FUNCTIONAL TRANSCRANIAL DOPPLER ULTRASOUND STUDY OF BRAIN LATERALISATION IN STONE TOOL MAKING AND LANGUAGE." In Proceedings of the 8th International Conference (EVOLANG8). WORLD SCIENTIFIC, 2010. http://dx.doi.org/10.1142/9789814295222_0092.

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Wu, Kuan-Cheng, Parisa Farzam, Faheem Sheriff, et al. "Critical Closing Pressure Measured in Stroke Patients with Diffuse Correlation Spectroscopy and Transcranial Doppler Ultrasound." In Optics and the Brain. OSA, 2019. http://dx.doi.org/10.1364/brain.2019.bw4a.4.

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Thibeault, C., S. Thorpe, S. Wilk, T. Devlin, and R. Hamilton. "E-071 Using transcranial doppler ultrasound for the objective evaluation and prediction of endovascular treatment outcomes." In SNIS 15TH ANNUAL MEETING, July 23–26, 2018, Hilton San Francisco Union Square San Francisco, CA. BMJ Publishing Group Ltd., 2018. http://dx.doi.org/10.1136/neurintsurg-2018-snis.147.

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