intracranial hemorrhages siti hazaimah. intracranial hemorrhages classification in function of...
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![Page 1: Intracranial hemorrhages Siti hazaimah. Intracranial hemorrhages Classification in function of location: - Epidural - Subdural - Subarachnoid - Intracerebral](https://reader033.vdocuments.us/reader033/viewer/2022061612/56649cff5503460f949d1577/html5/thumbnails/1.jpg)
Intracranial hemorrhagesSiti hazaimah
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Intracranial hemorrhages
Classification in function of location:
- Epidural- Subdural- Subarachnoid- Intracerebral/ Intraparenchymal
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Epidural Hematoma- Etiology: trauma → skull fracture
(temporo-parietal bone) → tear of Middle Meningeal Artery.
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Epidural Hematoma
- Epidemiology: 0.5% head injuries young adult, male to female 4:1
- Presentation: 1. Initial LOC 2. “Lucid interval” for several hours3. Obtundation, CL Hemiparesis, IL
pupil dilation
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Epidural Hematoma- Evaluation: CT brain non-contrast
84% high density biconvex (lenticular)
40% have no identifiable skull fractures.- Prognosis: good with early intervention
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Epidural Hematoma- Treatment: 1. Medical management if <1cm and
no neuro signs
2. Surgery (craniotomy): any symptomatic EDH.- Clot removal to ↓ICP- Hemostasis- Prevent
re-accumulation
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Subdural Hematoma- Etiology: violent head mvt. → accel-
deccel of brain in cranium → tear of Bridging veins.
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Subdural Hematoma
- Epidemiology: 30% head injuries. ↑ risk in elderly and infants
- Presentation: 1. Headache, confusion, lethargy2. +/- focal signs3. Slowly progressive neurological
decompensation.
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Subdural Hematoma- Evaluation: CT brain non-contrast
Crescentic mass-A =Hyderdense: 1-3d-Sub-A=Isodense: 4d-3wk-C =Hypodense: 3wk-4mo
- Prognosis: Mortality 50-90%; due to underlying brain injury.
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Subdural Hematoma
- Treatment: 1. Rapid surgical evacuation with
craniotomy for symptomatic patients.
2. Subdural drain in neurologically stable patient.
3. Observation if less than <1cm
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Subarachnoid Hemorrhage- Etiology: cerebral artery injury
(aneurysm/ AVM rupture, trauma) → blood leakage in SA space → meningeal irritation.
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Subarachnoid Hemorrhage
- Epidemiology: most common head injury. Aneurysm peak 55-60yrs.
- Presentation: 1. “The worst HA of my life”2. Meningismus3. Focal neurological deficits4. Obtundation to coma
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Subarachnoid Hemorrhage
Evaluation: CT brain non-contrast → LP → Angiogram
Blood in sulci and cisternsXanthochromia
- Prognosis: Mortality 32-67%.
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Subarachnoid Hemorrhage
- Treatment: 1. Surgical intervention directed at
stopping the bleeding and lowering ICP.
2. Medical management of complication (vasospasm, stoke)
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Intraparenchymal Hemorrhage- Etiology: Intracerebral artery injury
(aneurysm/ AVM rupture, arteriopathy, HTN, trauma), hemorrhagic stroke.
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Intraparenchymal Hemorrhage
- Epidemiology: men, >55yo, blacks, h/o HTN, h/o CVA, alcohol consumption, smoking, drug use.
- Presentation: greatly varies in function of the location. Onset during activity.
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Intraparenchymal Hemorrhage- Evaluation: Brain CT /MRI/Angio
Hemorrhage:-lobar-Internal capsule-Ganglio-thalamic-Pontine
- Prognosis: Highly variable.
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Intraparenchymal Hemorrhage
- Treatment: 1. Medical management (BP control,
hemostasis). 2. Surgical intervention is
controversial.