Two patients with angiographically proved basilar artery occlusion were treated with systemic recombinant tissue plasminogen activator (rtPA) according to protocol. The first patient was in a locked-in state and gradually deteriorated. On repeat angiography the basilar artery remained occluded. He died and necropsy revealed a pontine haemorrhagic infarction. The second patient, who was comatose and with decerebrate posturing, made a remarkable recovery. Angiography showed reperfusion. Therapy was initiated in the first patient after six hours and in the second after two hours. Treatment with rtPA is promising but probably not feasible for every patient. Success may depend on duration of occlusion and composition of occluding thrombus.
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http://dx.doi.org/10.1136/jnnp.54.1.71 | DOI Listing |
Aberrant anatomical variation of the vertebral artery (VA) from an internal carotid artery (ICA) is considered a rare finding. The incidence of this phenomenon can lead to patients suffering from posterior circulation neurological deficit if the ICA becomes significantly diseased. VA atypical anatomical origin is considered one of the rare pathologies, not only precipitating neurovascular incidents but equally leading to severe difficulty in VA dissection and surgical exposure, especially in carotid artery procedures.
View Article and Find Full Text PDFJ Neurol Surg Rep
January 2025
Department of Neurosurgery and Spine Surgery, Qatif Central Hospital, Qatif, Saudi Arabia.
A rare variant of congenital aqueductal stenosis (CAS) is known as adult-onset CAS, characterized by the emergence of symptoms during adulthood. A 35-year-old man presented complaining of acute-onset headache and vomiting. Magnetic resonance imaging of the brain revealed an acute hydrocephalus due to an aqueductal web.
View Article and Find Full Text PDFJ Neurosurg Case Lessons
January 2025
Department of Neurosurgery, University of California, Irvine, Orange, California.
Background: Intravascular injection of liquid adhesive hemostats is a rare but serious complication that can result in cerebral thromboembolism.
Observations: A 64-year-old female underwent orbitozygomatic craniotomy for posterior communicating artery aneurysm clipping with the routine use of a flowable hemostatic agent during extradural dissection. After placement of the aneurysm clip, flow was confirmed through the parent vessel and nearby branches.
J Neurointerv Surg
January 2025
Department of Interventional Neuroradiology, Beijing Neurosurgical Institute, Capital Medical University, Beijing, China
Basilar artery perforator aneurysms (BAPAs) are rare and may be occult on initial imaging due to their small size and susceptibility to intermittent thrombosis.1 2 Conventional treatments for aneurysms (eg, clipping or coiling) have proved challenging.3 Recently, endovascular electrocoagulation has been shown to be effective for BAPAs.
View Article and Find Full Text PDFEur Spine J
January 2025
Department of Neurosurgery, Xuanwu Hospital, Capital Medical University, 45 Changchun Street, Xicheng District, Beijing, China.
Purpose: To describe a novel alternative technique for C2 fixation under the concept of atlantoaxial joint distraction and fusion with intra-articular Cages, and to report its preliminary clinical outcomes.
Methods: Eighteen patients with basilar invagination and atlantoaxial dislocation underwent atlantoaxial joint distraction and fusion with intra-articular Cages. All patients had hypoplasia of the C2 isthmus prohibiting insertion of the pedicle screw.
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