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Presurgical guidelines

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https://www.readbyqxmd.com/read/28261785/accuracy-of-intracranial-electrode-placement-for-stereoencephalography-a-systematic-review-and-meta-analysis
#1
REVIEW
Vejay N Vakharia, Rachel Sparks, Aidan G O'Keeffe, Roman Rodionov, Anna Miserocchi, Andrew McEvoy, Sebastien Ourselin, John Duncan
OBJECTIVE: Stereoencephalography (SEEG) is a procedure in which electrodes are inserted into the brain to help define the epileptogenic zone. This is performed prior to definitive epilepsy surgery in patients with drug-resistant focal epilepsy when noninvasive data are inconclusive. The main risk of the procedure is hemorrhage, which occurs in 1-2% of patients. This may result from inaccurate electrode placement or a planned electrode damaging a blood vessel that was not detected on the preoperative vascular imaging...
March 6, 2017: Epilepsia
https://www.readbyqxmd.com/read/28255504/usefulness-of-urinoculture-to-patients-with-dementia-and-femoral-neck-fracture-at-admission-to-hospital-preliminary-results
#2
Laura Garcia-Nuño, Carlos Villamil, Araceli González-Cuevas, David Martí, Silvia Capilla, Maria José Vives, Xavier Oncins, Pere Torner, Juan Castellanos, Lluís Font-Vizcarra
INTRODUCTION: While preoperative urinary tract infection (UTI) has the potential to cause bacteremia and postsurgical acute prosthetic joint infections (APJIs), the influence of asymptomatic bacteriuria (AB) in these infections remains unclear. So the majority of guidelines not recommend the treatment of AB prior to the surgery. However, as patients with dementia usually cannot explain the symptoms of dysuria, the differential diagnosis between AB and UTI may be very difficult in this group of patients...
March 2017: Geriatric Orthopaedic Surgery & Rehabilitation
https://www.readbyqxmd.com/read/28077494/practice-guideline-summary-use-of-fmri-in-the-presurgical-evaluation-of-patients-with-epilepsy-report-of-the-guideline-development-dissemination-and-implementation-subcommittee-of-the-american-academy-of-neurology
#3
Jerzy P Szaflarski, David Gloss, Jeffrey R Binder, William D Gaillard, Alexandra J Golby, Scott K Holland, Jeffrey Ojemann, David C Spencer, Sara J Swanson, Jacqueline A French, William H Theodore
OBJECTIVE: To assess the diagnostic accuracy and prognostic value of functional MRI (fMRI) in determining lateralization and predicting postsurgical language and memory outcomes. METHODS: An 11-member panel evaluated and rated available evidence according to the 2004 American Academy of Neurology process. At least 2 panelists reviewed the full text of 172 articles and selected 37 for data extraction. Case reports, reports with <15 cases, meta-analyses, and editorials were excluded...
January 24, 2017: Neurology
https://www.readbyqxmd.com/read/27918345/stereoelectroencephalography-interpretation
#4
Juan C Bulacio, Patrick Chauvel, Aileen McGonigal
Intracranial EEG has been in use for more than 50 years in the presurgical evaluation of patients with medically intractable focal epilepsy. The stereoelectroencephalography (SEEG) method has expanded very significantly over the last 5 years, in parallel with the increase in the number of complex cases (i.e., MRI-negative) being referred with medically intractable focal epilepsy to major epilepsy surgery centers. Some centers with extensive experience in subdural electrodes are indeed changing or have changed to SEEG as the principal exploration technique, which suggests that SEEG might offer specific benefits through its approach to accurately localizing the epileptogenic zone...
December 2016: Journal of Clinical Neurophysiology: Official Publication of the American Electroencephalographic Society
https://www.readbyqxmd.com/read/27846126/implementation-of-the-american-society-of-anesthesiology-s-guidelines-to-reduce-prolonged-fasting-times-in-pediatric-preoperative-patients-a-best-practice-implementation-project
#5
Carol M Costello
BACKGROUND: The American Society of Anesthesiology (ASA) guidelines for pediatric preoperative fasting have been a standard for well over a decade. However, use of protocols involving an excessive fasting duration exposes patients to the physiological impacts of fluid volume loss. OBJECTIVES: The current project aimed to improve fluid supplementation during presurgical fasting in pediatric patients at an academic medical center. Specific objectives were to increase clinical staff knowledge regarding ASA fasting standards and implement them in specific pediatric patient populations...
October 2016: JBI Database of Systematic Reviews and Implementation Reports
https://www.readbyqxmd.com/read/27822109/the-danish-neuro-oncology-registry
#6
REVIEW
Steinbjørn Hansen
AIM OF DATABASE: The Danish Neuro-Oncology Registry (DNOR) was established by the Danish Neuro-Oncology Group as a national clinical database. It was established for the purpose of supporting research and development in adult patients with primary brain tumors in Denmark. STUDY POPULATION: DNOR has registered clinical data on diagnostics and treatment of all adult patients diagnosed with glioma since January 1, 2009, which numbers approximately 400 patients each year...
2016: Clinical Epidemiology
https://www.readbyqxmd.com/read/27630506/orthodontic-orthognathic-interventions-in-orthognathic-surgical-cases-paper-surgery-and-model-surgery-concepts-in-surgical-orthodontics
#7
Narayan H Gandedkar, Chai Kiat Chng, Vincent Kok Leng Yeow
Thorough planning and execution is the key for successful treatment of dentofacial deformity involving surgical orthodontics. Presurgical planning (paper surgery and model surgery) are the most essential prerequisites of orthognathic surgery, and orthodontist is the one who carries out this procedure by evaluating diagnostic aids such as crucial clinical findings and radiographic assessments. However, literature pertaining to step-by-step orthognathic surgical guidelines is limited. Hence, this article makes an attempt to provide an insight and nuances involved in the planning and execution...
July 2016: Contemporary Clinical Dentistry
https://www.readbyqxmd.com/read/27599482/canine-atlantoaxial-optimal-safe-implantation-corridors-description-and-validation-of-a-novel-3d-presurgical-planning-method-using-osirix%C3%A2
#8
Guillaume Leblond, Luis Gaitero, Noel M Moens, Alex Zur Linden, Fiona M K James, Gabrielle Monteith, John Runciman
BACKGROUND: Canine ventral atlantoaxial (AA) stabilization is most commonly performed in very small dogs and is technically challenging due to extremely narrow bone corridors. Multiple implantation sites have been suggested but detailed anatomical studies investigating these sites are lacking and therefore current surgical guidelines are based upon approximate anatomical landmarks. In order to study AA optimal safe implantation corridors (OSICs), we developed a method based on computed tomography (CT) and semi-automated three-dimensional (3D) mathematical modelling using OsiriX™ and Microsoft®Excel software...
September 6, 2016: BMC Veterinary Research
https://www.readbyqxmd.com/read/27492688/when-can-i-drive-after-orthopaedic-surgery-a-systematic-review
#9
REVIEW
Kevin J DiSilvestro, Adam J Santoro, Fotios P Tjoumakaris, Eric A Levicoff, Kevin B Freedman
BACKGROUND: Patients often ask their doctors when they can safely return to driving after orthopaedic injuries and procedures, but the data regarding this topic are diverse and sometimes conflicting. Some studies provide observer-reported outcome measures, such as brake response time or simulators, to estimate when patients can safely resume driving after surgery, and patient survey data describing when patients report a return to driving, but they do not all agree. We performed a systematic review and quality appraisal for available data regarding when patients are safe to resume driving after common orthopaedic surgeries and injuries affecting the ability to drive...
December 2016: Clinical Orthopaedics and related Research
https://www.readbyqxmd.com/read/27354263/revised-version-of-quality-guidelines-for-presurgical-epilepsy-evaluation-and-surgical-epilepsy-therapy-issued-by-the-austrian-german-and-swiss-working-group-on-presurgical-epilepsy-diagnosis-and-operative-epilepsy-treatment
#10
Felix Rosenow, Thomas Bast, Thomas Czech, Martha Feucht, Volkmar H Hans, Christoph Helmstaedter, Hans-Jürgen Huppertz, Soheyl Noachtar, Frank Oltmanns, Tilman Polster, Margitta Seeck, Eugen Trinka, Kathrin Wagner, Adam Strzelczyk
The definition of minimal standards remains pivotal as a basis for a high standard of care and as a basis for staff allocation or reimbursement. Only limited publications are available regarding the required staffing or methodologic expertise in epilepsy centers. The executive board of the working group (WG) on presurgical epilepsy diagnosis and operative epilepsy treatment published the first guidelines in 2000 for Austria, Germany, and Switzerland. In 2014, revised guidelines were published and the WG decided to publish an unaltered English translation in this report...
August 2016: Epilepsia
https://www.readbyqxmd.com/read/27267210/new-american-thyroid-association-sonographic-patterns-for-thyroid-nodules-perform-well-in-medullary-thyroid-carcinoma-institutional-experience-systematic-review-and-meta-analysis
#11
Pablo Valderrabano, Donald L Klippenstein, John B Tourtelot, Zhenjun Ma, Zachary J Thompson, Howard S Lilienfeld, Bryan McIver
BACKGROUND: The 2015 American Thyroid Association (ATA) thyroid nodule guidelines recommend selecting nodules for biopsy based on a sonographic pattern classification. These patterns were developed based on features of differentiated thyroid cancer. This study aimed to evaluate the performance and the inter-observer agreement of this classification system in medullary thyroid carcinoma (MTC). METHODS: The medical records of all patients with MTC evaluated at the authors' institution between 1998 and 2014 were retrospectively reviewed...
August 2016: Thyroid: Official Journal of the American Thyroid Association
https://www.readbyqxmd.com/read/27012361/current-use-of-imaging-and-electromagnetic-source-localization-procedures-in-epilepsy-surgery-centers-across-europe
#12
Brian E Mouthaan, Matea Rados, Péter Barsi, Paul Boon, David W Carmichael, Evelien Carrette, Dana Craiu, J Helen Cross, Beate Diehl, Petia Dimova, Daniel Fabo, Stefano Francione, Vladislav Gaskin, Antonio Gil-Nagel, Elena Grigoreva, Alla Guekht, Edouard Hirsch, Hrvoje Hecimovic, Christoph Helmstaedter, Julien Jung, Reetta Kalviainen, Anna Kelemen, Vasilios Kimiskidis, Teia Kobulashvili, Pavel Krsek, Giorgi Kuchukhidze, Pål G Larsson, Markus Leitinger, Morten I Lossius, Roman Luzin, Kristina Malmgren, Ruta Mameniskiene, Petr Marusic, Baris Metin, Cigdem Özkara, Hrvoje Pecina, Carlos M Quesada, Fergus Rugg-Gunn, Bertil Rydenhag, Philippe Ryvlin, Julia Scholly, Margitta Seeck, Anke M Staack, Bernhard J Steinhoff, Valentin Stepanov, Oana Tarta-Arsene, Eugen Trinka, Mustafa Uzan, Viola L Vogt, Sjoerd B Vos, Serge Vulliémoz, Geertjan Huiskamp, Frans S S Leijten, Pieter Van Eijsden, Kees P J Braun
OBJECTIVE: In 2014 the European Union-funded E-PILEPSY project was launched to improve awareness of, and accessibility to, epilepsy surgery across Europe. We aimed to investigate the current use of neuroimaging, electromagnetic source localization, and imaging postprocessing procedures in participating centers. METHODS: A survey on the clinical use of imaging, electromagnetic source localization, and postprocessing methods in epilepsy surgery candidates was distributed among the 25 centers of the consortium...
May 2016: Epilepsia
https://www.readbyqxmd.com/read/26894176/aesthetic-crown-lengthening-using-chu-aesthetic-gauges-and-evaluation-of-biologic-width-healing
#13
Aruna Nautiyal, Sheela Gujjari, Vikas Kumar
INTRODUCTION: The principles of biologic width have governed the literature and served as a clinical guideline during the evaluation of perio- restorative interrelationships. An adequate understanding of this concept is paramount to ensure adequate form, function, aesthetics and comfort of the dentition. Biologic width violation has become a common problem as most of the practitioners tend to underestimate the amount of tooth structure that must be exposed during a crown lengthening procedure...
January 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/26881210/the-effect-of-femoral-cutting-guide-design-improvements-for-patient-specific-instruments
#14
Oh-Ryong Kwon, Kyoung-Tak Kang, Juhyun Son, Yun-Jin Choi, Dong-Suk Suh, Yong-Gon Koh
Although the application of patient-specific instruments (PSI) for total knee arthroplasty (TKA) increases the cost of the surgical procedure, PSI may reduce operative time and improve implant alignment, which could reduce the number of revision surgeries. We report our experience with TKA using PSI techniques in 120 patients from March to December 2014. PSI for TKA were created from data provided by computed tomography (CT) scans or magnetic resonance imaging (MRI); which imaging technology is more reliable for the PSI technique remains unclear...
2015: BioMed Research International
https://www.readbyqxmd.com/read/26850040/feasibility-outcomes-of-a-presurgical-randomized-controlled-trial-exploring-the-impact-of-caloric-restriction-and-increased-physical-activity-versus-a-wait-list-control-on-tumor-characteristics-and-circulating-biomarkers-in-men-electing-prostatectomy-for-prostate
#15
RANDOMIZED CONTROLLED TRIAL
Wendy Demark-Wahnefried, Jeffery W Nix, Gary R Hunter, Soroush Rais-Bahrami, Renee A Desmond, Balu Chacko, Casey D Morrow, Maria Azrad, Andrew D Frugé, Yuko Tsuruta, Travis Ptacek, Scott A Tully, Roanne Segal, William E Grizzle
BACKGROUND: Obesity is associated with tumor aggressiveness and disease-specific mortality for more than 15 defined malignancies, including prostate cancer. Preclinical studies suggest that weight loss from caloric restriction and increased physical activity may suppress hormonal, energy-sensing, and inflammatory factors that drive neoplastic progression; however, exact mechanisms are yet to be determined, and experiments in humans are limited. METHODS: We conducted a randomized controlled trial among 40 overweight or obese, newly-diagnosed prostate cancer patients who elected prostatectomy to explore feasibility of a presurgical weight loss intervention that promoted a weight loss of roughly one kg...
February 5, 2016: BMC Cancer
https://www.readbyqxmd.com/read/26079781/parathyroidectomy-halts-the-deterioration-of-renal-function-in-primary-hyperparathyroidism
#16
Francesco Tassone, Andrea Guarnieri, Elena Castellano, Claudia Baffoni, Roberto Attanasio, Giorgio Borretta
OBJECTIVE: Decreased renal function has been consistently included among factors prompting recommendation for surgery in primary hyperparathyroidism (PHPT). However, most retrospective studies addressing this issue did not show an improvement in renal function after parathyroidectomy (PTX). The aim of this study was to investigate changes in renal function after PTX in PHPT patients subdivided according to renal function at diagnosis. DESIGN: This was a retrospective cross-sectional study...
August 2015: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/25441509/special-considerations-technical-limitations-of-blood-oxygen-level-dependent-functional-magnetic-resonance-imaging
#17
REVIEW
Domenico Zacà, Shruti Agarwal, Sachin K Gujar, Haris I Sair, Jay J Pillai
In this review, limitations affecting the results of presurgical mapping with blood-oxygen-level-dependent (BOLD) functional magnetic resonance imaging (fMRI) are discussed. There is a great need to standardize fMRI acquisition and analysis methods and establish guidelines to address quality control issues. Several national and international organizations are formulating guidelines and standards for both clinical and research applications of BOLD fMRI. Consensus regarding management of these issues will likely both improve the clinical standard of care and enhance future research applications of fMRI...
November 2014: Neuroimaging Clinics of North America
https://www.readbyqxmd.com/read/25316018/epilepsy-surgery-in-children-and-adults
#18
REVIEW
Philippe Ryvlin, J Helen Cross, Sylvain Rheims
Epilepsy surgery is the most effective way to control seizures in patients with drug-resistant focal epilepsy, often leading to improvements in cognition, behaviour, and quality of life. Risks of serious adverse events and deterioration of clinical status can be minimised in carefully selected patients. Accordingly, guidelines recommend earlier and more systematic assessment of patients' eligibility for surgery than is seen at present. The effectiveness of surgical treatment depends on epilepsy type, underlying pathology, and accurate localisation of the epileptogenic brain region by various clinical, neuroimaging, and neurophysiological investigations...
November 2014: Lancet Neurology
https://www.readbyqxmd.com/read/25281474/improving-the-excess-kurtosis-g2-method-for-localizing-epileptic-sources-in-magnetoencephalographic-recordings
#19
Yuval Harpaz, Stephen E Robinson, Mordekhay Medvedovsky, Abraham Goldstein
OBJECTIVE: To suggest ways to apply the excess kurtosis estimator g2, in the detection of epileptic activity with magnetoencephalography, while avoiding its bias towards detecting high-amplitude, infrequent events. METHODS: Synthetic aperture magnetometry (SAM), combined with g2, was applied using window lengths ranging from 0.125 s to 32 s and with sum and maximum metrics on simulated data and recordings of two focal epilepsy patients. RESULTS: Comparing sources with different spike rates (two per second and one per 2s), the sum metric was most efficient when using a window of 0...
May 2015: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
https://www.readbyqxmd.com/read/25244102/safety-of-a-dedicated-brain-mri-protocol-in-patients-with-a-vagus-nerve-stimulator
#20
Jeroen C de Jonge, Gerrit I Melis, Tineke A Gebbink, Gérard A P de Kort, Frans S S Leijten
Although implanted metallic devices constitute a relative contraindication to magnetic resonance imaging (MRI) scanning, the safety of brain imaging in a patient with a vagus nerve stimulator (VNS) is classified as "conditional," provided that specific manufacturer guidelines are followed when a transmit and receive head coil is used at 1.5 or 3.0 Tesla. The aim of this study was to evaluate the safety of performing brain MRI scans in patients with the VNS. From September 2009 until November 2011, 101 scans were requested in 73 patients with the VNS in The Netherlands...
November 2014: Epilepsia
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