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Neurosurgery

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https://www.readbyqxmd.com/read/29452405/commentary-neurosurgery-and-the-ongoing-american-opioid-crisis
#1
Kurt A Yaeger, Robert J Rothrock, Brian Harris Kopell
No abstract text is available yet for this article.
February 14, 2018: Neurosurgery
https://www.readbyqxmd.com/read/29444328/influence-of-anatomic-changes-on-the-outcomes-of-carotid-siphon-aneurysms-after-deployment-of-flow-diverter-stents
#2
Eduardo Waihrich, Pierre Clavel, George Mendes, Christina Iosif, Iruena Moraes Kessler, Charbel Mounayer
BACKGROUND: Flow-diverter stent (FDS) deployment can cause morphological and hemodynamic changes in the carotid siphon (CS), influencing the occlusion rate of aneurysms in this location. OBJECTIVE: To evaluate morphological changes to the CS after FDS deployment and their relationship with the rate of occlusion of intracranial aneurysms. METHODS: A cohort of 183 patients with CS aneurysms were treated by deployment of Pipeline® FDS (Medtronic Inc, Dublin, Ireland)...
February 10, 2018: Neurosurgery
https://www.readbyqxmd.com/read/29444300/deep-brain-stimulation-for-parkinson-disease-does-not-worsen-or-improve-postural-instability-a-prospective-cohort-trial
#3
Nicholas J Brandmeir, Cheryl L Brandmeir, David Carr, Kristine Kuzma, James McInerney
BACKGROUND: Falls and postural instability (PI) are major sources of morbidity in Parkinson disease (PD). Deep brain stimulation (DBS) is a major therapy for PD. The effects of DBS on PI and falls remain controversial. OBJECTIVE: To study if DBS worsens PI, validated measures of PI (Timed Up and Go, Berg Balance Scale, Unified Parkinson's Disease Rating Scale 3.12 [Pull Test], and the Biodex Sway Index with eyes closed on a firm and soft surface) and reported falls were used to prospectively evaluate the effect of DBS on PI at 3 and 12 mo postoperatively compared to baseline measurements...
February 10, 2018: Neurosurgery
https://www.readbyqxmd.com/read/29438551/coiling-versus-microsurgical-clipping-in-the-treatment-of-unruptured-middle-cerebral-artery-aneurysms-a-meta-analysis
#4
Meshal Alreshidi, David J Cote, Hormuzdiyar H Dasenbrock, Michael Acosta, Anil Can, Joanne Doucette, Thomas Simjian, M Maher Hulou, Lee A Wheeler, Kevin Huang, Hasan A Zaidi, Rose Du, M Ali Aziz-Sultan, Rania A Mekary, Timothy R Smith
BACKGROUND: Open microsurgical clipping of unruptured intracranial aneurysms has long been the gold standard, yet advancements in endovascular coiling techniques have begun to challenge the status quo. OBJECTIVE: To compare endovascular coiling with microsurgical clipping among adults with unruptured middle cerebral artery aneurysms (MCAA) by conducting a meta-analysis. METHODS: A systematic search was conducted from January 2011 to October 2015 to update a previous meta-analysis...
February 9, 2018: Neurosurgery
https://www.readbyqxmd.com/read/29438546/high-intensity-ultrasound-treatment-for-vincristine-induced-neuropathic-pain
#5
Youngwon Youn, Abigail Hellman, Ian Walling, Lucy Gee, Jiang Qian, Clif Burdette, Lance Frith, Julie G Pilitsis
BACKGROUND: Vincristine is a commonly used chemotherapeutic agent that results in debilitating untreatable peripheral neuropathy. OBJECTIVE: To determine the effects of pulsed high-intensity focused ultrasound (HIFU) on sensory thresholds in a validated vincristine-induced neuropathy (VIN) rodent model. METHODS: VIN was induced and mechanical allodynia was confirmed by nociceptive testing. von Frey fibers and Randall-Sellito test were used as measures of innocuous and noxious mechanical thresholds, respectively, and the hot plate test for thermal thresholds...
February 9, 2018: Neurosurgery
https://www.readbyqxmd.com/read/29438528/maintenance-of-certification-perceptions-and-attitudes-of-neurosurgeons
#6
Maya A Babu, Linda M Liau, E Sander Connolly, Fredric B Meyer
Assuring clinical competence throughout the career of a neurosurgeon is of paramount importance for patient safety. We present the first comprehensive survey of all neurosurgeons board certified through the American Board of Neurological Surgery (ABNS) to evaluate perceptions of Maintenance of Certification (MOC). We administered a validated, online, confidential survey to 4899 neurosurgeons (2435 ABNS diplomates participating in MOC, 1440 diplomates certified prior to 1999 [time-unlimited certificates], and 1024 retired diplomates)...
February 9, 2018: Neurosurgery
https://www.readbyqxmd.com/read/29438526/magnetic-resonance-imaging-guided-laser-interstitial-thermal-therapy-for-glioblastoma-of-the-corpus-callosum
#7
Thomas L Beaumont, Alireza M Mohammadi, Albert H Kim, Gene H Barnett, Eric C Leuthardt
BACKGROUND: Glioblastoma of the corpus callosum is particularly difficult to treat, as the morbidity of surgical resection generally outweighs the potential survival benefit. Laser interstitial thermal therapy (LITT) is a safe and effective treatment option for difficult to access malignant gliomas of the thalamus and insula. OBJECTIVE: To assess the safety and efficacy of LITT for the treatment of glioblastoma of the corpus callosum. METHODS: We performed a multicenter retrospective analysis of prospectively collected data...
February 8, 2018: Neurosurgery
https://www.readbyqxmd.com/read/29425362/time-factor-and-disc-herniation-size-are-they-really-predictive-for-outcome-of-urinary-dysfunction-in-patients-with-cauda-equina-syndrome
#8
Radek Kaiser, Luigi Aurelio Nasto, Murali Venkatesan, Petr Waldauf, Belen Perez, Oliver M Stokes, Sleiman Haddad, Hossein Mehdian, Magnum Tsegaye
BACKGROUND: Timing of surgery and the importance of the size of disc prolapse in cauda equina syndrome (CES) remain controversial. OBJECTIVE: To investigate whether there is a relationship between postoperative urinary function, preoperative duration of neurogenic lower urinary tract dysfunction (NLUTD), and the level of canal compromise. METHODS: Seventy-one patients operated for CES were prospectively identified between 2010 and 2013. Fifty-two cases with preoperative NLUTD were included...
February 6, 2018: Neurosurgery
https://www.readbyqxmd.com/read/29425336/is-access-to-outpatient-neurosurgery-affected-by-narrow-insurance-networks-results-from-statewide-analysis-of-marketplace-plans-in-louisiana
#9
Rimal H Dossani, Piyush Kalakoti, Anil Nanda, Bharat Guthikonda, Luis M Tumialán
BACKGROUND: The main objective of the Affordable Care Act (ACA) was to make health insurance affordable to all Americans while addressing the lack of coverage for 48 million people. In the face of rapidly increasing enrollment and rising demand for inexpensive plans, insurance providers are limiting in-network physicians. Provider networks offering plans with limited in-network physicians have become known as "narrow networks." OBJECTIVE: To assesses the adequacy of ACA marketplace plans for outpatient neurosurgery in Louisiana...
February 6, 2018: Neurosurgery
https://www.readbyqxmd.com/read/29425330/trigeminal-nerve-compression-without-trigeminal-neuralgia-intraoperative-vs-imaging-evidence
#10
Ronak H Jani, Marion A Hughes, Michael S Gold, Barton F Branstetter, Zachary E Ligus, Raymond F Sekula
BACKGROUND: While high-resolution imaging is increasingly used in guiding decisions about surgical interventions for the treatment of trigeminal neuralgia, direct assessment of the extent of vascular contact of the trigeminal nerve is still considered the gold standard for the determination of whether nerve decompression is warranted. OBJECTIVE: To compare intraoperative and magnetic resonance imaging (MRI) findings of the prevalence and severity of vascular compression of the trigeminal nerve in patients without classical trigeminal neuralgia...
February 6, 2018: Neurosurgery
https://www.readbyqxmd.com/read/29425323/long-term-effectiveness-of-gross-total-resection-for-symptomatic-spinal-cord-cavernous-malformations
#11
Tej D Azad, Anand Veeravagu, Amy Li, Michael Zhang, Venkatesh Madhugiri, Gary K Steinberg
BACKGROUND: Intramedullary spinal cord cavernous malformations (CMs) account for 5% of all CMs in the central nervous system and 5% to 12% of all spinal cord vascular lesions, yet their optimal management is controversial. OBJECTIVE: To identify factors associated with the clinical progression of spinal cord CMs and quantify the range of surgical outcomes. METHODS: Retrospective observational cohort study of 32 patients who underwent open surgical resection for spinal CMs, the majority of which presented to a dorsal or lateral pial surface, from 1996 to 2017 at a single institution...
February 6, 2018: Neurosurgery
https://www.readbyqxmd.com/read/29361052/curve-laterality-for-lateral-lumbar-interbody-fusion-in-adult-scoliosis-surgery-the-concave-versus-convex-controversy
#12
Adam S Kanter, Zachary J Tempel, Nitin Agarwal, D Kojo Hamilton, Joseph M Zavatsky, Gregory M Mundis, Stacie Tran, Dean Chou, Paul Park, Juan S Uribe, Michael Y Wang, Neel Anand, Robert Eastlack, Praveen V Mummaneni, David O Okonkwo
BACKGROUND: Minimally invasive lateral lumbar interbody fusion (LLIF) is an effective adjunct in adult degenerative scoliosis (ADS) surgery. LLIF approaches performed from the concavity or convexity have inherent approach-related risks and benefits. OBJECTIVE: To analyze LLIF approach-related complications and radiographic and clinical outcomes in patients with ADS. METHODS: A multicenter retrospective review of a minimally invasive adult spinal deformity database was queried with a minimum of 2-yr follow-up...
January 18, 2018: Neurosurgery
https://www.readbyqxmd.com/read/29351673/the-barrow-neurological-institute-grading-scale-as-a-predictor-for-delayed-cerebral-ischemia-and-outcome-after-aneurysmal-subarachnoid-hemorrhage-data-from-a-nationwide-patient-registry-swiss-sos
#13
Marian Christoph Neidert, Nicolai Maldaner, Martin Nikolaus Stienen, Michel Roethlisberger, Daniel W Zumofen, Donato D'Alonzo, Serge Marbacher, Rodolfo Maduri, Isabel Charlotte Hostettler, Bawarjan Schatlo, Michel M Schneider, Martin A Seule, Daniel Schöni, Johannes Goldberg, Christian Fung, Marta Arrighi, Daniele Valsecchi, Philippe Bijlenga, Karl Schaller, Oliver Bozinov, Luca Regli, Jan-Karl Burkhardt
BACKGROUND: The Barrow Neurological Institute (BNI) scale is a novel quantitative scale measuring maximal subarachnoid hemorrhage (SAH) thickness to predict delayed cerebral ischemia (DCI). This scale could replace the Fisher score, which was traditionally used for DCI prediction. OBJECTIVE: To validate the BNI scale. METHODS: All patient data were obtained from the prospective aneurysmal SAH multicenter registry. In 1321 patients, demographic data, BNI scale, DCI, and modified Rankin Scale (mRS) score up to the 1-yr follow-up (1FU) were available for descriptive and univariate statistics...
January 17, 2018: Neurosurgery
https://www.readbyqxmd.com/read/29351666/intraoperative-identification-and-preservation-of-verbal-memory-in-diffuse-gliomas-a-matched-pair-cohort-study
#14
Juan Martino, Elsa Gomez, Enrique Marco de Lucas, David Mato, Javier Vázquez-Bourgon
BACKGROUND: Recent glioma surgery series with intraoperative electrical stimulation (IES) language mapping have demonstrated high rates of postoperative memory impairment, raising a question regarding the efficacy of this approach to preserve memory. OBJECTIVE: To evaluate if intraoperative identification and preservation of verbal memory sites with IES mapping in diffuse gliomas in eloquent areas consistently protect patients from long-term postoperative decline in short-term memory...
January 17, 2018: Neurosurgery
https://www.readbyqxmd.com/read/29351637/prospective-multicenter-assessment-of-all-cause-mortality-following-surgery-for-adult-cervical-deformity
#15
Justin S Smith, Christopher I Shaffrey, Han Jo Kim, Peter Passias, Themistocles Protopsaltis, Renaud Lafage, Gregory M Mundis, Eric Klineberg, Virginie Lafage, Frank J Schwab, Justin K Scheer, Emily Miller, Michael Kelly, D Kojo Hamilton, Munish Gupta, Vedat Deviren, Richard Hostin, Todd Albert, K Daniel Riew, Robert Hart, Doug Burton, Shay Bess, Christopher P Ames
BACKGROUND: Surgical treatments for adult cervical spinal deformity (ACSD) are often complex and have high complication rates. OBJECTIVE: To assess all-cause mortality following ACSD surgery. METHODS: ACSD patients presenting for surgical treatment were identified from a prospectively collected multicenter database. Clinical and surgical parameters and all-cause mortality were assessed. RESULTS: Of 123 ACSD patients, 120 (98%) had complete baseline data (mean age, 60...
January 17, 2018: Neurosurgery
https://www.readbyqxmd.com/read/29351634/commentary-how-should-hospitals-respond-to-surgeons-requests-to-schedule-overlapping-surgeries
#16
Amanda J Morris, Michelle M Mello, Joseph A Sanford, Ryan B Green, Samuel H Wald, Bassam Kadry, Alex Macario
No abstract text is available yet for this article.
January 17, 2018: Neurosurgery
https://www.readbyqxmd.com/read/29351626/neuroendovascular-fellowship-training-self-assessment-of-a-program-accredited-by-the-committee-on-advanced-subspecialty-training
#17
Hakeem J Shakir, Hussain Shallwani, Leonardo Rangel-Castilla, Amade Bregy, Jason M Davies, Ashish Sonig, Christopher S Ogilvy, Kenneth V Snyder, L Nelson Hopkins, Adnan H Siddiqui, Elad I Levy
The University at Buffalo's neuroendovascular fellowship is one of the longest running fellowship programs in North America. The burgeoning neurointerventional workforce and the rapid growth in the neurointerventional space on the heels of groundbreaking clinical trials prompted us to assess the fellowship's academic impact and its graduates' perceptions and productivity. An anonymized web-based survey was sent to all former neuroendovascular fellows with specific questions pertaining to current practice, research and funding, and perceptions about the fellowship's impact on their skills, competitiveness, and compensation...
January 17, 2018: Neurosurgery
https://www.readbyqxmd.com/read/29346684/comparing-cortical-trajectory-transforaminal-lumbar-interbody-fusions-against-pedicle-trajectory-transforaminal-lumbar-interbody-fusions-and-posterolateral-fusions-a-retrospective-cohort-study-of-90-day-outcomes
#18
James G Malcolm, Michael K Moore, Falgun H Choksh, Faiz U Ahmad, Daniel Refai
BACKGROUND: The cortical screw (CS) trajectory for pedicle screw placement is believed to require a smaller incision and less tissue dissection resulting in lower blood loss and faster healing; however, this has not yet been confirmed in clinical studies. OBJECTIVE: To compare CS transforaminal lumbar interbody fusions (TLIF), traditional pedicle screw (TPS) trajectory TLIFs, and posterolateral fusion (PLF) without interbody for differences in operative characteristics and complications...
January 13, 2018: Neurosurgery
https://www.readbyqxmd.com/read/29346599/magnetic-resonance-imaging-guided-laser-interstitial-thermal-therapy-for-the-treatment-of-hypothalamic-hamartomas-a-retrospective-review
#19
David S Xu, Tsinsue Chen, Randall J Hlubek, Ruth E Bristol, Kris A Smith, Francisco A Ponce, John F Kerrigan, Peter Nakaji
BACKGROUND: Hypothalamic hamartomas (HH) are rare lesions associated with treatment-resistant epilepsy. Open surgery results in modest seizure control (about 50%) but has a significant associated morbidity. Radiosurgery is limited to a subset of patients due to latent therapeutic effects. Magnetic resonance imaging-guided laser interstitial thermal therapy (LITT) offers a novel minimally invasive option. OBJECTIVE: To evaluate a single center's outcomes for the LITT treatment of HH...
January 13, 2018: Neurosurgery
https://www.readbyqxmd.com/read/29325137/review-of-neurosurgery-medical-professional-liability-claims-in-the-united-states
#20
Aladine A Elsamadicy, Amanda R Sergesketter, Michael D Frakes, Shivanand P Lad
BACKGROUND: Due to disparaging costs and rates of malpractice claims in neurosurgery, there has been significant interest in identifying high-risk specialties, types of malpractice claims, and characteristics of claim-prone physicians. OBJECTIVE: To characterize the malpractice claims against neurosurgeons. METHODS: This was a comprehensive analysis of all malpractice liability claims involving a neurosurgeon as the primary defendant, conducted using the Physician Insurers Association of America Data Sharing Project from January 1, 2003 and December 31, 2012...
January 8, 2018: Neurosurgery
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