Intracranial Haemorrhage (ICH) in Term Infants
- The incidence of traumatic intracranial haemorrhage (ICH), mainly subdural, has significantly decreased due to improved obstetric practices.
- Routine MRI studies indicate that asymptomatic subdural and subarachnoid haemorrhages remain common findings in neonates
- Intraparenchymal haemorrhage, occasionally traumatic, can also be related to antenatal conditions such as alloimmune thrombocytopenia or mutations in the COL4A1 gene
- Spontaneous intraparenchymal haemorrhage has been documented, albeit rarely
- Thalamic haemorrhages often result from cerebral sinovenous thrombosis (CSVT) associated with intraventricular haemorrhage (IVH)
- Germinal matrix–IVH (GMH-IVH) in term infants is uncommon, typically originating from the choroid plexus
Subdural Haemorrhage
Pathogenesis
- Results from:
- Tentorial tear and vein rupture (straight sinus, vein of Galen).
- Occipital osteodiastasis damaging cerebellar veins.
- Falx tear involving inferior sagittal sinus.
- Bridging vein injury (superior sagittal sinus, transverse/sigmoid sinus)
Clinical Manifestations
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