Ryan P Lee, Adham M Khalafallah, Abhishek Gami, Debraj Mukherjee
The lateral orbitotomy approach (LOA) was first described by Kronlein in 1888 and has since been subject to many modifications and variations. When considering orbital approaches, the location of the pathology is often more important in decision making than the type of pathology. The LOA is best suited for access to intraconal and extraconal lesions lateral to the optic nerve. Pathologies treated via the LOA include primary orbital tumors, extraorbital tumors with local extension into the orbit, and distantly metastatic lesions to the orbit...
August 2020: Journal of Neurological Surgery. Part B, Skull Base
Davide Locatelli, Iacopo Dallan, Paolo Castelnuovo
Orbital region pathologies may be safely and effectively treated through a various number of approaches. As the concept of "outcome" and minimally invasive surgery keeps gaining popularity in neurosurgery, these approaches-each with specific indications and limitations-together provide the best surgical options.
August 2020: Journal of Neurological Surgery. Part B, Skull Base
Richard Jarrett Rushmore, Peter Wilson-Braun, George Papadimitriou, Isaac Ng, Yogesh Rathi, Fan Zhang, Lauren Jean O'Donnell, Marek Kubicki, Sylvain Bouix, Edward Yeterian, Jean-Jacques Lemaire, Evan Calabrese, G Allan Johnson, Ron Kikinis, Nikos Makris
The brainstem, a structure of vital importance in mammals, is currently becoming a principal focus in cognitive, affective, and clinical neuroscience. Midbrain, pontine and medullary structures serve as the conduit for signals between the forebrain and spinal cord, are the epicenter of cranial nerve-circuits and systems, and subserve such integrative functions as consciousness, emotional processing, pain, and motivation. In this study, we parcellated the nuclear masses and the principal fiber pathways that were visible in a high-resolution T2-weighted MRI dataset of 50-micron isotropic voxels of a postmortem human brainstem...
2020: Frontiers in Neuroanatomy
Insiyah Campwala, Edgar Aranda-Michel, Gregory A Watson, Giselle G Hamad, Joseph E Losee, Arman Kilic, Ibrahim Sultan
BACKGROUND: Limited exposure to surgical subspecialties during medical school may be responsible for decreasing medical student interest in surgery. Although most medical schools have surgery interest groups to increase exposure, our aim was to evaluate the impact of a focused surgical subspecialty roundtable on preclerkship students' perceptions of surgical careers. METHODS: Faculty members from each surgical subspecialty shared their experiences and led roundtable discussions with five to seven first- and second-year medical students at a time (total n = 59)...
October 16, 2020: Journal of Surgical Research
Rosemary T Behmer Hansen, Ryan A Behmer Hansen, Virginia A Behmer, Justin Gold, Nicole Silva, Arjun Dubey, Anil Nanda
In 2015, key global and neurosurgical organizations increased collaboration to improve neurosurgical care access, delivery, and outcomes, particularly in low- to middle-income countries (LMICs); sparking what has been termed the global neurosurgery movement. The authors sought to assess trends in usage of the term 'global neurosurgery' in academic literature with particular focus on author affiliations, world regions most frequently discussed, and topics of research performed. A PubMed search for articles indexed as 'global neurosurgery' was completed yielding 277 articles which met inclusion criteria...
September 2020: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
Nicole M De La Peña, Kent R Richter, Jack M Haglin, Jordan R Pollock, Reed A Richter, Pelagia E Kouloumberis
OBJECTIVE: To determine the proportion and number of female neurosurgeons in the workforce at different stages of practice. METHODS: The Physician Compare National Downloadable File data set was obtained from the Centers for Medicare & Medicaid Services for physicians who indicated "neurosurgery" as their primary specialty. Physician duplicates, physicians with no listed medical school graduation year, and physicians expected to be in residency (graduation years of 2013-2019) were removed, yielding 4,956 neurosurgeons...
October 14, 2020: World Neurosurgery
Rajeev D Sen, Amy Lee, Samuel R Browd, Richard G Ellenbogen, Jason S Hauptman
BACKGROUND: Consent and assent are important concepts to understand in the care of pediatric neurosurgery patients. Recently it has been recommended that although pediatric patients generally do not have the legal capacity to make medical decisions, they be encouraged to be involved in their own care. Given the paucity of information on this topic in the neurosurgery community, the objective is to provide pediatric neurosurgeons with recommendations on how to involve their patients in medical decision-making...
October 17, 2020: Child's Nervous System: ChNS: Official Journal of the International Society for Pediatric Neurosurgery
Raja K Kutty, Sureshkumar Kunjuni Leela, Sunilkumar Balakrishnan Sreemathyamma, Jyothish Laila Sivanandapanicker, Prasanth Asher, Anilkumar Peethambaran, Rajmohan Bhanu Prabhakar
INTRODUCTION: The conservative management of Chronic subdural hematoma (CSDH) is controversial. Many drugs have been tried in the conservative management of CSDH. Tranexamic acid (Txa) is one such drug in the armamentarium for conservative management of CSDH. We conducted a prospective observational study about treatment of CSDH with Txa. MATERIAL AND METHODS: The study was conducted over three years. The clinical grading was assessed by the Markwalder grading system...
November 2020: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
Marjorie C Wang, Frederick A Boop, Douglas Kondziolka, Daniel K Resnick, Steven N Kalkanis, Elizabeth Koehnen, Nathan R Selden, Carl B Heilman, Alex B Valadka, Kevin M Cockroft, John A Wilson, Richard G Ellenbogen, Anthony L Asher, Richard W Byrne, Paul J Camarata, Judy Huang, John J Knightly, Elad I Levy, Russell R Lonser, E Sander Connolly, Fredric B Meyer, Linda M Liau
The American Board of Neurological Surgery (ABNS) was incorporated in 1940 in recognition of the need for detailed training in and special qualifications for the practice of neurological surgery and for self-regulation of quality and safety in the field. The ABNS believes it is the duty of neurosurgeons to place a patient's welfare and rights above all other considerations and to provide care with compassion, respect for human dignity, honesty, and integrity. At its inception, the ABNS was the 13th member board of the American Board of Medical Specialties (ABMS), which itself was founded in 1933...
October 16, 2020: Journal of Neurosurgery
Zaid S Aljuboori, Christopher C Young, Visish M Srinivasan, Ryan T Kellogg, Jennifer L Quon, Mohammed A Alshareef, Stephanie H Chen, Michael Ivan, Gerald A Grant, Sean D McEvoy, Justin R Davanzo, Sonia Majid, Sharon Durfy, Michael R Levitt, Emily P Sieg, Richard G Ellenbogen, Haring J Nauta
OBJECTIVE: The objective was to determine the impact of the COVID-19 pandemic on operative case volume in 8 US neurosurgical residency training programs in early 2020 and to survey these programs regarding training activities during this period. METHODS: A retrospective review was conducted of monthly operative case volumes and types for 8 residency programs for 2019 and January-April 2020. Cases were grouped as elective cranial, elective spine, and non-elective emergent cases...
October 13, 2020: World Neurosurgery
Venkatesh S Madhugiri, Amrutha Bindu Nagella, Alok Mohan Uppar
BACKGROUND: As the volume of scientific publications increases, the rate of retraction of published papers is also likely to increase. In the present study, we report the characteristics of retracted papers from clinical neurosurgery and allied clinical and basic science specialties. METHODS: Retracted papers were identified using two separate search strategies on PubMed. Attributes of the retracted papers were collected from PubMed and the Retraction Watch database...
October 16, 2020: Acta Neurochirurgica
Joshua Pepper, Teresa Scott, Anthony Roylance, Rebecca Beckett, Erminia Albanese
Day of admission neurosurgery is a viable method to reduce health care associated costs, complications and length of stay. Within the national health service in England the picture is very mixed with some neurosurgery centres universally admitting patients the day before and others admitting on the day of surgery. We altered our admissions policy during a 4 month time period from 'day-before' surgery to 'day-of' surgery for elective neurosurgery. A number of patients still continued to be admitted the day before surgery due to consultant choice...
October 16, 2020: British Journal of Neurosurgery
Tyler Schmidt, Stephen Susa, Thomas Pieters, Samuel Tomlinson, Joshua M Rosenow, Kristopher Kimmell, Jeremy T Phelps
OBJECTIVE: Workplace violence (WPV) against neurosurgeons is an understudied phenomenon, as prior research has focused on high-risk specialties like emergency medicine and psychiatry. We sought to fill in this gap in the literature by determining the frequency and type of WPV that neurosurgeons experience. METHODS: We sent a 26-question online survey to members of the American Association of Neurological Surgery via SurveyMonkey. This survey contained questions about WPV experienced over the previous two years, as well as questions about security measures and workplace protocols for WPV...
October 12, 2020: World Neurosurgery
Yan Xu, Rong-Ye Wang, Yu-Hong Zhao
OBJECTIVE: To explore the effect of comprehensive nursing based on risk prevention in perioperative nursing of intracranial aneurysm. METHODS: A total of 156 patients who suffered from intracranial aneurysm were admitted in neurosurgery department from the hospital between January 2018 and January 2019. Patients were randomly divided into observation group (n = 78, patients were given comprehensive nursing based on risk prevention) and control group (n = 78, patients were given routine nursing)...
October 15, 2020: International Journal of Clinical Practice
Danielle H Rochlin, Clifford C Sheckter, Rohit K Khosla, Hermann Peter Lorenz
Cranioplasty lies at the intersection of neurosurgery and plastic surgery, though little is known about the impact of plastic surgery involvement. The authors hypothesized that adult cranioplasty patients at higher volume plastic surgery facilities would have improved inpatient outcomes. Adult cranioplasty encounters were extracted from the National Inpatient Sample from 2012 to 2014 based on International Classification of Diseases, Ninth Revision (ICD-9) codes. Regression models included the following variables: age, gender, race/ethnicity, Elixhauser Comorbidity Index, payer, hospital size, region, and urban/teaching status...
October 12, 2020: Journal of Craniofacial Surgery
Francesco Corcione, Vania Silvestri, Giovanni Merola, Michele Dambra, Ruggero Lionetti, Nello Pirozzi, Roberto Peltrini, Emanuele Pontecorvi, Umberto Bracale
Background. Microsurgery has quickly become the "gold standard" approach for vascular surgical steps during neurosurgery. However, despite its advantages, the microscope has not been widely adopted in general surgery. A new 3D-surgical exoscope, the ORBEYETM , has been developed and introduced to some surgical specialties. Herein, we present our preliminary experience with the ORBEYETM exoscope as applied to a number of general surgical procedures. Method. Throughout February 2020, 7 patients had undergone varying surgical procedures at our institute utilizing the ORBEYETM in some of specific procedural steps where the surgeons felt that the surgery would benefit from more enhanced magnification...
October 15, 2020: Surgical Innovation
Syed M Adil, Cyrus Elahi, Robert Gramer, Charis Spears, Anthony Fuller, Michael Haglund, Timothy Dunn
Traumatic brain injury (TBI) disproportionately affects low- and middle-income countries (LMICs). In these low-resource settings, effective triage of TBI patients-including the decision regarding whether or not to perform neurosurgery-is critical in optimizing patient outcomes and healthcare resource utilization. Machine learning may allow for effective predictions of patient outcomes both with and without surgery. Data from TBI patients was prospectively collected at Mulago National Referral Hospital in Kampala, Uganda, from 2016 to 2019...
October 14, 2020: Journal of Neurotrauma
Clarice Listik, Eduardo Listik, Rubens Gisbert Cury, Egberto Reis Barbosa, Manoel Jacobsen Teixeira, Daniel Ciampi de Andrade
BACKGROUND: Dystonia is a heterogeneous disorder that, when refractory to medical treatment, may have a favorable response to deep brain stimulation (DBS). A practical way to have an overview of a research domain is through a bibliometric analysis, as it makes it more accessible for researchers and others outside the field to have an idea of its directions and needs. OBJECTIVE: To analyze the 100 most cited articles in the use of DBS for dystonia treatment in the last 30 years...
September 2020: Arquivos de Neuro-psiquiatria
Josef Briegel, Torsten Bähner, Alois Kreitmeier, Philippe Conter, Luca Fraccaroli, Agnes S Meidert, Martin Tholl, Georg Papadakis, Aliki Deunert, Andreas Bauer, Andreas Hoeft, Ulrich J Pfeiffer
BACKGROUND: In most patients having noncardiac surgery, blood pressure is measured with the oscillometric upper arm cuff method. Although the method is noninvasive and practical, it is known to overestimate intraarterial pressure in hypotension and to underestimate it in hypertension. A high-fidelity upper arm cuff incorporating a hydraulic sensor pad was recently developed. The aim of the present study was to investigate whether noninvasive blood pressure measurements with the new high-fidelity cuff correspond to invasive measurements with a femoral artery catheter, especially at low blood pressure...
November 1, 2020: Anesthesiology
Yoshiyuki Matsui
In patients with renal cell carcinoma, brain metastasis is generally one of the poor prognostic factors. However, the recent introduction of molecular target therapy and immune checkpoint inhibitor has remarkably advanced the systemic treatment of metastatic renal cell carcinoma and prolonged the patients' survival. The pivotal clinical trials of those agents usually excluded patients with brain metastasis. The incidence of brain metastasis has been increasing in the actual clinical setting because of longer control of extra-cranial disease...
October 6, 2020: Cancers
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