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Updated: Aug 5, 2026
09:14
Pre-Chiasmatic, Single Injection of Autologous Blood to Induce Experimental Subarachnoid Hemorrhage in a Rat Model
Published on: June 18, 2021
Hindbrain hernia masquerading as postpartum subarachnoid haemorrhage
G A Wynne-Jones1, J Akinwunmi, G Flint
1Department of Neurosurgery, University Hospital Birmingham Queen Elizabeth, Edgbaston, Birmingham, UK. guy.wynne-jones@virgin.net
British Journal of Neurosurgery
|June 5, 2003
Summary
Postpartum headaches can signal a hindbrain hernia, not just subarachnoid hemorrhage. Vaginal delivery maneuvers may worsen this condition, requiring careful consideration in diagnosis.
Area of Science:
- Neurology
- Obstetrics
- Neurosurgery
Background:
- Headaches are common postpartum, often attributed to various causes.
- Subarachnoid hemorrhage is a critical diagnosis to exclude in severe postpartum headaches.
- Hindbrain hernia, a structural anomaly, is less commonly considered in this context.
Observation:
- A 29-year-old postpartum woman presented with symptoms concerning for subarachnoid hemorrhage.
- Diagnostic investigations ruled out hemorrhage but identified a hindbrain hernia.
- The patient's symptoms were potentially exacerbated by the Valsalva maneuvers during vaginal delivery.
Findings:
- The case highlights a hindbrain hernia as a potential cause of postpartum headache.
- Repeated Valsalva maneuvers during vaginal delivery may increase tonsillar descent in individuals with hindbrain hernia.
- This suggests a possible mechanism linking childbirth to symptomatic hindbrain herniation.
Implications:
- Clinicians should consider hindbrain hernia in the differential diagnosis of postpartum headaches, especially when subarachnoid hemorrhage is excluded.
- Understanding the impact of Valsalva maneuvers is crucial for managing patients with hindbrain hernia.
- This case broadens the diagnostic scope for postpartum neurological symptoms.
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