Transcranial Doppler in Brain Death Confirmation in Clinical Practice

Lovrenčić-Huzjan, Arijana; Vuković, Vlasta; Gopčević, Aleksandar; Vučić, Marinko; Krikšić, Valentina; Demarin, Vida

doi:10.1055/s-0029-1245237

Cited by 12 publications

(8 citation statements)

References 12 publications

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“…Las dos aplicaciones más aceptadas del doppler trascraneano son control de vasoespasmo en pacientes con hemorragia subaracnoidea (evidencia clase IIa) 16,38-47 y el apoyo del diagnóstico de muerte cerebral (evidencia IIa) [39][40][41][42][43][44][45][46][47][48] . Otras aplicaciones pero aún con evidencia limitada son el neuromonitoreo a través de velocidades de flujo en las principales arterias cerebrales, en el que se pretende monitorizar la hemodinámica cerebral [42][43][44][45] .…”

Section: Doppler Color Trascraneanounclassified

Aplicaciones de la ultrasonografía en el sistema nervioso central para neuroanestesia y cuidado neurocrítico

Ochoa-Pérez

Cardozo

2015

Revista Colombiana de Anestesiología

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Section: Doppler Color Trascraneanounclassified

Aplicaciones de la ultrasonografía en el sistema nervioso central para neuroanestesia y cuidado neurocrítico

Ochoa-Pérez

Cardozo

2015

Revista Colombiana de Anestesiología

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“…The two most widely accepted applications for transcranial Doppler ultrasound are vasospasm control in patients with subarachnoid haemorrhage (Class IIa evidence), 16,[38][39][40][41][42][43][44][45][46][47] and brain death confirmation (Class IIa evidence). [39][40][41][42][43][44][45][46][47][48] Other applications, although with limited evidence, include the use of flow velocities in the main cerebral arteries as a means to monitor brain haemodynamics.…”

Section: Transcranial Colour Dopplermentioning

confidence: 99%

Ultrasound applications in the central nervous system for neuroanaesthesia and neurocritical care

Ochoa-Pérez

Cardozo²

2015

Colombian Journal of Anesthesiology

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Available online xxx Keywords:Ultrasonography Optic Nerve Intracranial Hypertension Central Nervous SystemIntensive Care a b s t r a c t Ultrasonography performed by non-radiologist specialists is a tool that contributes to the diagnosis and monitoring of neurocritical patients. It is a non-invasive, low-cost, accurate and fast method that helps improve safety and timeliness in settings where prompt decision-making is imperative, such as in the operating room, critical care units or the emergency room.The objective is to conduct a narrative review, presenting ultrasound applications focused on the central nervous system that may be useful in neuroanaesthesia and neurocritical care. A search was performed of related terms on databases in the medical literature. Relevant papers where selected and reviewed to perform a non-systematic review focusing on the visualization of the midline and lateral ventricles, the measurement of the optic nerve sheath as a surrogate marker of intracranial hypertension, and the use of colour Doppler for visualizing the middle cerebral artery.It is expected that the use of ultrasound examination of the central nervous system will continue to evolve given its advantages, good correlation with studies considered as the gold standard, and the growing availability of the device. Advancements in this field are expected to improve timeliness and provide objective guidance for decision-making. We recognize the importance of developing skills in the use of this method of exploration in those services where it is required. © 2015 Published by Elsevier España, S.L.U. on behalf of Sociedad Colombiana de Anestesiología y Reanimación. ଝ Please cite this article as: Pérez LO, Ocampo AC. Aplicaciones de la ultrasonografía en el sistema nervioso central para Neuroanestesia y cuidado neurocrítico. Rev Colomb Anestesiol. 2015. http://dx.

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“…However, this value can be lower depending on age, height, and weight (• ▶ Table 2) [31,32]. Compared to other methods for determining cerebral circulatory arrest, Doppler/duplex sonography has the following advantages: able to be used at any age, faster recording of findings, lower costs, and avoidance of potentially nephrotoxic X-ray contrast agents which can be relevant in the case of possible organ donation [33,34].…”

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confidence: 99%

“…2)[31,32]. Gegenüber anderen Verfahren zur Feststellung des zerebralen Zirkulationsstillstands hat die Doppler-/Duplexsonografie die Vorteile der Anwendbarkeit in jedem Lebensalter, der schnelleren Befunderhebung, der geringeren Kosten und nicht zuletzt der Vermeidung potenziell nephrotoxischer Röntgenkontrastmittel, was im Falle einer möglichen Organspende relevant sein kann[33,34].…”

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Doppler and Duplex Sonography for the Diagnosis of the Irreversible Cessation of Brain Function (“Brain Death”): Current Guidelines in Germany and Neighboring Countries

2016

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Extra- and transcranial sonography of brain-supplying arteries is accepted worldwide in brain death protocols as a valid ?ancillary? method of proving brain circulatory arrest. Color-coded duplex sonography and CT angiography have been newly incorporated in the fourth update of the German Medical Association?s guidelines for the determination of the irreversible cessation of brain function (?brain death?), effective July 2015. The updated guidelines address in more detail the diagnostic procedures and the required qualifications of the examiners. The present article summarizes the guidelines and the recommendations regarding the application and documentation of ultrasound findings for the diagnosis of brain circulatory arrest in children and adults, as valid in Germany. The method, limitations, and procedure in the case of inconclusive findings are described. Age-related minimum values of mean arterial pressure for the diagnosis of cerebral circulatory arrest in children are presented. A concise overview of the respective regulations for the use of sonography for diagnosing brain death in other countries, especially in the countries neighboring Germany, is given.

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Transcranial Doppler in Brain Death Confirmation in Clinical Practice

Abstract: TCD is a favorable confirmatory test for cerebral circulatory arrest in brain death diagnosis.

Cited by 12 publications

References 12 publications

Aplicaciones de la ultrasonografía en el sistema nervioso central para neuroanestesia y cuidado neurocrítico

Aplicaciones de la ultrasonografía en el sistema nervioso central para neuroanestesia y cuidado neurocrítico

Ultrasound applications in the central nervous system for neuroanaesthesia and neurocritical care

Doppler and Duplex Sonography for the Diagnosis of the Irreversible Cessation of Brain Function (“Brain Death”): Current Guidelines in Germany and Neighboring Countries

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