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Abstract Details

Bow Hunter Syndrome: An intriguing case of posterior circulation stroke in obstetrics department
Cerebrovascular Disease and Interventional Neurology
P1 - Poster Session 1 (9:00 AM-5:00 PM)
117
NA

Bow hunter syndrome (BHS) is an uncommon cause of vertebrobasilar insufficiency that results from occlusion or injury to the vertebral artery (VA) during neck rotation. The cause is often a bony abnormality that may compress the VA compromising distal flow or lead to vessel wall injury resulting in thromboembolism.

 A 26-year-old female,6 month antenatal presented to our hospital with intermittent dizziness exacerbated by turning her head since one week . She acutely developed dysphagia, nasal regurgitation and alterd sensorium on the day of presentation to the emergency. There was no history of fever, rashes, headache, or neck trauma. There was no family history of similar complaints, vascular or connective tissue diseases, strokelike episodes, seizures, or early-onset dementia. Examination demonstrated impairment of consciousness, quadriparesis and palatal palsy.  Aspirin was initiated for secondary stroke prevention and the patient was monitored. 

MRI Brain with CV Junction revealed diffusion restriction in the medulla, midbrain and dorsal pons indicative of multiple infarctions. There was no evidence of VA dissection on MRA. The MRI CV junction showed short and horizontal clivus,retroflexed dens with basilar invagination and narrowed foramen magnum with tonsillar herniation. The rest of the workup including complete blood count, serum chemistry and lipids profiles, liver function tests, hypercoagulability studies, transthoracic echocardiography were unremarkable. A clinical diagnosis of BHS was made.
She is being managed conservatively with aspirin and neck immobilization without recurrence at monthly follow-up.
Authors/Disclosures
Neenu Alexander, MD
PRESENTER
Dr. Alexander has nothing to disclose.
Justin Cornelius, MD (Lourd's Clinic) Dr. Cornelius has nothing to disclose.