Brain Death Imaging - Radiology Key
2016年12月11日 · Non-contrast-enhanced CT (NECT) of the head is useful for assessing the severity of brain injury in the suspicion of brain death. The study may reveal the features of cerebral edema including a generalized hypodensity of brain parenchyma, decreased differentiation between the gray and white matter (GM:WM ratio), sulcal effacement, absence of ...
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CT Angiography in the Diagnosis of Brain Death - PMC
Brain death is defined as the irreversible cessation of functioning of the entire brain, including the brainstem. Brain death is principally established using clinical criteria including coma, absence of brainstem reflexes and loss of central drive to breathe assessed with apnea test.
CT Angiography for Brain Death Diagnosis | American Journal of ...
2009年9月1日 · BACKGROUND AND PURPOSE: Lack of cerebral circulation is an important confirmatory test for brain death (BD). Conventional angiography remains the standard imaging method, but CT angiography (CTA) is emerging as an alternative. France accepts BD diagnoses relying on a score based on lack of opacification of 7 intracerebral vessels in CTA images.
Brain death: Diagnostic clues on imaging - PMC - PubMed …
DSA is considered as the gold standard; however, CTA is equally efficient and noninvasive in determining brain death. In the setting of trauma, brain death is not an uncommon occurrence; however, many cases of brain death are left unrecognized thus providing unnecessary treatment and indiscriminate use of life-supporting devices.
Brain Death: Diagnosis and Imaging Techniques - ScienceDirect
2018年10月1日 · CT angiogram in brain death. A 67 year old woman with history of sudden onset severe headache and vomiting. CT angiogram head shows diffuse subarachnoid hemorrhage in basal cisterns (A) with lack of opacification of internal carotid, middle, or …
Computed tomography (CT) angiography for confirmation of the …
2014年3月31日 · We performed comprehensive literature searches to identify studies that would assess the diagnostic accuracy of CT angiography (the index test) in cohorts of adult patients, using the diagnosis of brain death according to neurological criteria as the target condition.
Diagnosing Brain Death by CT Perfusion and Multislice CT …
2009年6月30日 · Brain death (BD) is defined as the irreversible loss of activity of all the neurological structures of both brain and brainstem. Its diagnosis is based on an exhaustive neurological examination [1 – 6], which should be conducted by physicians with experience in managing neurocritical patients.
BACKGROUND AND PURPOSE: Lack of cerebral circulation is an important confirmatory test for brain death (BD). Conventional angiography remains the standard imaging method, but CT angiography (CTA) is emerging as an alternative. France accepts BD diagnoses relying on a score based on lack of opacification of 7 intracerebral vessels in CTA images.
Brain death: CT angiography | Radiology Case - Radiopaedia.org
Appearances are due to marked hypoxic-ischaemic injury and indicate brain death. Case Discussion The absence of cerebral blood flow is an important finding - nuclear medicine scintigraphy and catheter angiography have been the mainstay of diagnostic procedures but CTA showing good filling of scalp arteries and no intracranial arterial filling ...