Diffuse axonal injury | Radiology Reference Article - Radiopaedia.org
Jul 22, 2024 · Traumatic midline subarachnoid hemorrhage on initial CT is associated with severe diffuse axonal injury, with 60.8% sensitivity and 81.7% specificity for grade 2 or 3 injury 9. MRI is the modality of choice for assessing suspected diffuse axonal injury even in patients with entirely normal CT of the brain 5,6.
Traumatic Brain Injury (TBI) - EMCrit Project
Jun 25, 2022 · In younger patients, subdural hematoma is often a marker of severe TBI (e.g., occurring in combination with additional injuries, such as diffuse axonal injury, intraparenchymal contusions, and other hematomas).
Traumatic Subarachnoid Hemorrhage: A Scoping Review
Jan 11, 2022 · A prospective cohort study of 270 patients with TSAH who underwent brain MRI within 30 days found that 28.5% (n = 77) had diffuse axonal injury (DAI) and that TSAH was independently associated with DAI. 32 Midline TSAH was independently associated with both overall DAI and DAI stage two or three. The midline TSAH on initial CT had a sensitivity ...
Pediatric Traumatic Brain Injury: Characteristic Features, Diagnosis ...
Jan 20, 2017 · In diffuse axonal injuries, shear and rotational forces can rupture subependymal and ventral corpus callosum blood vessels, causing IVH. In pediatric IVH, intensive care is required to monitor for signs of secondary hydrocephalus.
Diffuse Axonal Injury: Epidemiology, Outcome and Associated …
Oct 20, 2016 · Diffuse axonal injury (DAI), the microscopic damage to the axons in the brain neural tracts, corpus callosum, and brainstem, is associated with significant mortality and morbidity. The occurrence of DAI depends on the mechanism of injury; it is more common in higher energy trauma, especially traffic accidents (1 – 3).
Traumatic Brain Injury (TBI) - Traumatic Brain Injury (TBI)
Subarachnoid hemorrhage (SAH—bleeding into the subarachnoid space) is common in traumatic brain injury (TBI), although the appearance on CT is not usually the same as aneurysmal SAH. Blood from SAH secondary to TBI does not collect in a discrete hematoma.
Traumatic brain injury-Subdural hematoma - Neuropathology
Subarachnoid hemorrhage is the most frequent traumatic brain lesion. It results from rupture of corticomeningeal vessels and from hemorrhagic contusions of the brain. Usually it is diffuse and does not exert localized pressure. Blood is diluted by the CSF and does not clot unless it …
Evaluation of traumatic brain injury, acute - BMJ Best Practice
Jul 11, 2023 · Hemorrhage. Subarachnoid hemorrhage (SAH) is one of the most common CT findings in TBI, occurring in about 30% to 40% of patients with moderate to severe TBI, and 5% of patients with mild TBI. Stiell IG, Wells GA, Vandemheen K, et al. The Canadian CT head rule for patients with minor head injury.
Subarachnoid Hemorrhage - Neurology - Medbullets Step 2/3
Dec 2, 2021 · Definition. bleeding into the subarachnoid space, where cerebrospinal fluid (CSF) is housed. Epidemiology. risk factors. cigarette smoking (most important preventable risk factors) hypertension. polycystic kidney disease. Etiology. aneurysm rupture. can result from an acute trigger, such as physical exertion.
Traumatic Brain Injury: Imaging Patterns and Complications
Oct 7, 2019 · Mata-Mbemba D, Mugikura S, Nakagawa A, et al. Traumatic midline subarachnoid hemorrhage on initial computed tomography as a marker of severe diffuse axonal injury. J Neurosurg 2018 ;129(5):1317–1324.
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