World Neurosurg
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Spinal surgery is taught and practiced within 2 different surgical disciplines, neurological surgery and orthopedic surgery. We have provided a unified analysis of academic productivity measured using the h-index attributable to spine-focused faculty at U.S. residency programs. ⋯ We present a unified view of academic productivity as measured by the h-index among neurosurgical and orthopedic surgery spine faculty, with some noticeable differences. These results can be used for benchmark purposes to assess the relative productivity of its faculty and could be of interest to those pursuing academic opportunities in spine surgery.
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Isolated abducens nerve palsy can be the presenting sign of a ruptured PICA aneurysm. Few cases have been reported in the literature. In the majority of cases, cranial nerve VI resolved following microsurgical clipping. ⋯ Here, we present the first case of an abducens nerve palsy associated with a ruptured PICA aneurysm to completely resolve following endovascular coil embolization. The direction and amount of subarachnoid hemorrhage extravasation from the ruptured aneurysm are most likely responsible for cranial nerve palsy.
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Ancillary criteria to identify tumor recurrence such as the McDonald criteria or Response Assessment in Neuro-Oncology criteria can provide false diagnoses. Magnetic resonance perfusion (MRP) imaging has been proposed to differentiate post-treatment changes from recurrence. We investigated the utility of MRP to quantify the histological fraction of active tumor (AT), treatment-related changes, and radiation necrosis in recurrent post-treatment intracranial tumors. ⋯ MRP can help quantitatively predict tumor recurrence and/or progression for glioblastomas. The AT histological fraction correlated with quantitative radiologic measurements, including rCBV and rCBF. For metastases, MRP might not be as useful in predicting the AT fraction. Clinicians must be judicious with their use of MRP in predicting tumor recurrence and radiation necrosis.
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Factors affecting academic productivity of neurosurgeons are increasingly being studied. In the current investigation, we retrospectively reviewed a cohort of early career neurosurgeons to determine if their medical education, residency training, or academic employer had the most influence on a young academician's productivity. ⋯ There is a correlation between the early career academic neurosurgeons' h-indexes and the ranking of all the institutions throughout their education, training, and current employment, but the strongest correlation was with the academic productivity of their residency program.
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Comparative Study
Comparison of Clinical and Radiologic Outcomes of Diverse Endovascular Treatments in Vertebral Artery Dissecting Aneurysm Involving the Origin of PICA.
To determine clinical and radiologic outcomes of vertebral artery dissecting aneurysms involving posterior inferior cerebellar artery according to different types of endovascular treatment. ⋯ Vertebral artery trapping with vertebral artery-posterior inferior cerebellar artery stenting showed the lowest rate of aneurysm recurrence with high rate of minor infarction and favorable neurologic outcome. Stent-assisted coil embolization showed high recurrence rates with possible fatal disabling infarction.