World Neurosurg
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Case Reports
Cervical Kyphotic Deformity Worsening After Extensor Cervical Muscle Paralysis from Botox Injection: Case Report.
Botulinum toxin (Botox) has long been used therapeutically to treat a variety of diseases, including migraine headaches, cervical spine dystonia, and chronic cervical spine pain, among many others. Although quite useful, Botox has been reported to cause adverse events, some of which may lead to devastating morbidity. ⋯ This case illustrates a potential danger of using Botox in the neck of an elderly patient who may have pre-existing cervical spine instability, underlying cervical musculature weakness, and pre-existing cervical kyphosis. It demonstrates the need to evaluate patients who are predisposed to developing cervical kyphotic deformities before offering them Botox treatment.
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Spinal metastases represent the most common site of bony metastases and frequently reduce quality of life. A beneficial effect of surgery and radiotherapy versus radiotherapy alone has been demonstrated in symptomatic patients. The goal of our study was to perform a cost-utility analysis of surgery for spinal metastases based on patient-level costs and health status data in a specialist spine center in Belgium. ⋯ Surgery for symptomatic spinal metastases in a specialist hospital in Belgium is cost-effective.
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Dural substitutes used during hemicraniectomy provide a barrier and dissection plane during subsequent cranioplasty. A recent review by our group showed that use of dural substitutes in hemicraniectomy is associated with reduction in estimated blood loss (EBL) and operative time (OT). In our experience, the use of a dual-layer technique facilitates a dissection plane with minimal adhesions. We hypothesized that use of this dual-layer technique would show decreased OT and EBL in patients undergoing cranioplasty. ⋯ In this study, we did not detect any significant difference between EBL and OT with use of single-layer versus dual-layer duraplasty. Mean EBL was slightly higher in the controls compared with cases but this difference was not statistically or clinically significant. This concept would benefit from a prospective randomized study.
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To perform a radiological analysis of the degeneration of C1-C2 joints after C1-C2 transarticular fixation (TAF) and compare the long-term results of a routine Magerl technique (RMT) to a posterior transarticular C1-C2 stand-alone screw instrumentation (SAS) application. ⋯ The application of cortical lag screws in TAF might result in stable atlantoaxial joint fusion formation without joint curettage. Atlanto-odontoid joint fusion was also observed after C1-C2 TAF. The application of cortical lag screws for bilateral fixation using the SAS technique resulted in C1-C2 fusion in 93.1% of cases, comparable to the results with the Magerl technique.
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Randomized Controlled Trial Multicenter Study Comparative Study
A Comparative Study of Bolus Dose of Hypertonic Saline, Mannitol, and Mannitol Plus Glycerol Combination in Patients with Severe Traumatic Brain Injury.
This prospective randomized controlled study compared the efficacy of an equiosmolar and isovolumetric dose of 3% hypertonic saline, 20% mannitol, and 10% mannitol plus 10% glycerol combination in reducing the raised intracranial pressure (ICP) in patients with severe traumatic brain injury (TBI). ⋯ All 3 osmotic compounds exhibit comparable effectiveness in reducing ICP when a similar osmotic load is administrated, but 3% hypertonic saline appeared to be more effective followed by 10% mannitol plus 10% glycerol combination and 20% mannitol. A dose of 1.4 mL/kg can be recommended as an initial bolus dose for 3% hypertonic saline. Hypertonic saline can be recommended to treat patients with pretreatment hypovolemia, hyponatremia, or renal failure. There is no clear benefit compared with 20% mannitol in regard to neurologic outcome, even though there is a minor positive trend for 3% hypertonic saline and 10% mannitol plus 10% glycerol combination.