Neurosurgery
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We review our experience with lung cancer patients with newly diagnosed brain metastases treated with Gamma Knife radiosurgery (GKRS). ⋯ Histological subtype of lung cancer appears to predict outcomes. Future trials and prognostic indices should take these histology-specific patterns into account.
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Restrictions on duty hours and shift length by the Accreditation Council for Graduate Medical Education and public pressure to reduce complications and to improve outcomes in the clinical educational environment have enhanced interest in the use of procedural and surgical simulation to train neurosurgical residents. ⋯ Model-based simulation is particularly effective for early surgical learners as part of a coordinated curriculum. Almost 600 residents have used model-based simulation during the first 3 years of the Society of Neurological Surgeons boot camp courses, with ongoing modification and improvement of individual simulation models.
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Stroke is a leading cause of death and disability in the United States. Despite the proven benefits of intravenous tissue plasminogen activator (IV-tPA), only a small percentage of patients who have had a stroke (3.4%-5.2%) receive this US Food and Drug Administration-approved therapy. ⋯ Implementing a telestroke system facilitates high rates of intravenous thrombolysis in patients who have had a stroke in community hospitals within a relatively short time frame. These results are higher than the national average rate (3.4%-5.2%) and support the implementation of telestroke networks for wider access to stroke expertise in underserved regions.
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Genetic risk factors for intracranial aneurysms may influence the size of aneurysms. ⋯ The 6 genetic risk loci have no major influence on the size of aneurysms at the time of rupture. Because these risk loci explain no more than 5% of the genetic risk, other genetic factors for intracranial aneurysms may influence aneurysm size and thereby proneness to rupture.
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Foot drop is a very debilitating condition affecting patients' daily activities, and its treatment has been a challenge for neurosurgeons. Grafting the peroneal or sciatic nerve usually results in poor outcomes. Our previous anatomic study demonstrated the feasibility of transferring a motor branch of the tibial nerve to the deep peroneal nerve at the level of the popliteal fossa. ⋯ The transfer of the nerve of the soleus muscle to the deep peroneal nerve demonstrated poor results in most of the patients, although favorable outcomes were observed in a few subjects. Due to the inconsistency of the results, we do not favor the routine use of this technique for the treatment of foot drop.