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https://www.readbyqxmd.com/read/29140463/anatomic-investigation-of-the-trajectory-for-stereotactic-laser-amygdalohippocampectomy
#1
Vanessa M Holanda, Abuzer Gungor, Serhat Baydin, Erik H Middlebrooks, Shabbar F Danish
BACKGROUND: Magnetic resonance imaging-guided laser interstitial thermal therapy (LITT) has emerged as a promising treatment for mesial temporal lobe epilepsy. Surgeons must understand the relevant anatomy that is traversed by the catheter and affected by ablation. OBJECTIVE: To study the anatomic structures crossed by the LITT catheter until it reaches the amygdala. METHODS: Three human cadaveric heads were implanted with catheters using a frameless stereotactic technique...
November 11, 2017: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/29123549/isolation-and-physiomorphological-characterization-of-escherichia-coli-o157-h7-infecting-bacteriophages-recovered-from-beef-cattle-operations
#2
Pushpinder Kaur Litt, Divya Jaroni
Bacteriophages, recovered from beef cattle environment and specifically targeting Escherichia coli O157:H7, were examined for their physiological and morphological characteristics. Degree of bacterial lysis and host range of isolated bacteriophages was determined against 55 isolates of E. coli O157:H7. Morphology of phages was examined under transmission electron microscope. Phage growth parameters, particularly rate of adsorption, rise period, latent period, and burst size were also determined. The stability of isolated phages was tested at acidic and alkaline pH, at high temperatures, and in cold storage...
2017: International Journal of Microbiology
https://www.readbyqxmd.com/read/29121272/chronic-cigarette-smoking-associates-directly-and-indirectly-with-self-reported-olfactory-alterations-analysis-of-the-2011-2014-national-health-and-nutrition-examination-survey-nhanes
#3
Sarah-Grace Glennon, Tania Huedo-Medina, Shristi Rawal, Howard J Hoffman, Mark D Litt, Valerie B Duffy
Introduction: Population-based studies show inconsistent effects of cigarette smoking on olfactory function. We aimed to identify direct and indirect associations between measures of smoking exposure/nicotine dependence and altered olfaction in a nationally-representative sample of adults. Methods: NHANES 2011-2014 (n=7,418) participants (mean age=57.8±12.2 years) self-reported olfaction and related health and demographic risks. Affirmative answers to three questions defined altered olfaction (olfactory problems in past year; worse ability since age 25; phantom smells)...
November 7, 2017: Nicotine & Tobacco Research: Official Journal of the Society for Research on Nicotine and Tobacco
https://www.readbyqxmd.com/read/29119424/health-literacy-assessment-in-adults-with-neurofibromatosis-electronic-and-short-form-measurement-using-fcchl-and-health-litt
#4
Vanessa L Merker, Sarah McDannold, Eric Riklin, Mojtaba Talaei-Khoei, Monica R Sheridan, Justin T Jordan, Scott R Plotkin, Ana-Maria Vranceanu
Determining health literacy level is an important prerequisite for effective patient education. We assessed multiple dimensions of health literacy and sociodemographic predictors of health literacy in patients with neurofibromatosis. In 86 individuals with a confirmed diagnosis of neurofibromatosis 1 (NF1), neurofibromatosis 2 (NF2), or schwannomatosis, we assessed health literacy status using two HL tools-the adapted functional, communicative, and critical health literacy scale (adapted FCCHL) and health literacy assessment using talking touchscreen technology (Health LiTT)...
November 8, 2017: Journal of Neuro-oncology
https://www.readbyqxmd.com/read/29111296/a-neurosurgeon-s-view-laser-interstitial-thermal-therapy-of-mesial-temporal-lobe-structures
#5
Yarema B Bezchlibnyk, Jon T Willie, Robert E Gross
Stereotactic laser ablation of mesial temporal structures is a promising new surgical intervention for patients with mesial temporal lobe epilepsy (MTLE). Since this procedure was first used to treat MTLE in 2010, the literature contains reports of 37 patients that underwent MR-guided stereotactic laser amygdalohippocampotomy (SLAH) using Laser Interstitial Thermal Therapy (LITT) with at least 1year of follow-up. This early body of data suggests that SLAH is a safe and effective treatment for MTLE in properly selected patients...
October 27, 2017: Epilepsy Research
https://www.readbyqxmd.com/read/29105070/standards-for-data-acquisition-and-software-based-analysis-of-in%C3%A2-vivo-electroencephalography-recordings-from-animals-a-task1-wg5-report-of-the-aes-ilae-translational-task-force-of-the-ilae
#6
Jason T Moyer, Vadym Gnatkovsky, Tomonori Ono, Jakub Otáhal, Joost Wagenaar, William C Stacey, Jeffrey Noebels, Akio Ikeda, Kevin Staley, Marco de Curtis, Brian Litt, Aristea S Galanopoulou
Electroencephalography (EEG)-the direct recording of the electrical activity of populations of neurons-is a tremendously important tool for diagnosing, treating, and researching epilepsy. Although standard procedures for recording and analyzing human EEG exist and are broadly accepted, there are no such standards for research in animal models of seizures and epilepsy-recording montages, acquisition systems, and processing algorithms may differ substantially among investigators and laboratories. The lack of standard procedures for acquiring and analyzing EEG from animal models of epilepsy hinders the interpretation of experimental results and reduces the ability of the scientific community to efficiently translate new experimental findings into clinical practice...
November 2017: Epilepsia
https://www.readbyqxmd.com/read/29100702/3-year-clinical-outcomes-with-everolimus-eluting-bioresorbable-coronary-scaffolds-the%C3%A2-absorb-iii-trial
#7
Dean J Kereiakes, Stephen G Ellis, Christopher Metzger, Ronald P Caputo, David G Rizik, Paul S Teirstein, Marc R Litt, Annapoorna Kini, Ameer Kabour, Steven O Marx, Jeffrey J Popma, Robert McGreevy, Zhen Zhang, Charles Simonton, Gregg W Stone
BACKGROUND: The Absorb everolimus-eluting poly-L-lactic acid-based bioresorbable vascular scaffold (BVS) provides early drug delivery and mechanical support functions similar to metallic drug-eluting stents (DES), followed by complete bioresorption in approximately 3 years with recovery of vascular structure and function. The ABSORB III trial demonstrated noninferior rates of target lesion failure (cardiac death, target vessel myocardial infarction [TVMI], or ischemia-driven target lesion revascularization) at 1 year in 2,008 patients with coronary artery disease randomized to BVS versus cobalt-chromium everolimus-eluting stents (EES)...
October 20, 2017: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/29058194/characterization-of-mc4r-regulation-of-the-kir7-1-channel-using-the-tl-flux-assay
#8
Michael J Litt, Roger D Cone, Masoud Ghamari-Langroudi
The family of inward rectifying potassium channels (Kir channels) plays crucial roles in the regulation of heart rhythms, renal excretion, insulin release, and neuronal activity. Their dysfunction has been attributed to numerous diseases such as cardiac arrhythmia, kidney failure and electrolyte imbalance, diabetes mellitus, epilepsy, retinal degeneration, and other neuronal disorders. We have recently demonstrated that the melanocortin-4 receptor (MC4R), a Gαs-coupled GPCR, regulates Kir7.1 activity through a mechanism independent of Gαs and cAMP...
2018: Methods in Molecular Biology
https://www.readbyqxmd.com/read/29028584/diagnosis-and-treatment-options-for-sequelae-following-radiation-treatment-of-brain-tumors
#9
REVIEW
Swapnil Mehta, Aatman Shah, Henry Jung
Radiation serves an important role in the treatment of metastatic and primary brain tumors. Radiation carries a risk of post radiation treatment effects, such as pseudoprogression and radiation necrosis. The ability to differentiate between radiation necrosis, pseudoprogression, and tumor recurrence remains a diagnostic conundrum with varying treatment options. In this review, we will discuss the pathophysiology, diagnostic imaging modalities, and treatments of these post-radiation treatment effects. We focus on the latest developments in magnetic resonance imaging (MRI) modalities including imaging biomarkers and the newest therapeutics such as VEGF inhibitors, Hyperbaric Oxygen Therapy, sensitized cytotoxic T cells, and Laser Interstitial Thermal Therapy (LITT)...
December 2017: Clinical Neurology and Neurosurgery
https://www.readbyqxmd.com/read/29027866/magnetic-resonance-imaging-guided-laser-interstitial-thermal-therapy-as-treatment-for-intractable-insular-epilepsy-in-children
#10
M Scott Perry, David J Donahue, Saleem I Malik, Cynthia G Keator, Angel Hernandez, Rohit K Reddy, Freedom F Perkins, Mark R Lee, Dave F Clarke
OBJECTIVE Seizure onset within the insula is increasingly recognized as a cause of intractable epilepsy. Surgery within the insula is difficult, with considerable risks, given the rich vascular supply and location near critical cortex. MRI-guided laser interstitial thermal therapy (LiTT) provides an attractive treatment option for insular epilepsy, allowing direct ablation of abnormal tissue while sparing nearby normal cortex. Herein, the authors describe their experience using this technique in a large cohort of children undergoing treatment of intractable localization-related epilepsy of insular onset...
October 13, 2017: Journal of Neurosurgery. Pediatrics
https://www.readbyqxmd.com/read/28988420/the-effect-of-vocal-fold-augmentation-on-cough-symptoms-in-the-presence-of-glottic-insufficiency
#11
Juliana K Litts, Daniel S Fink, Matthew S Clary
OBJECTIVE: To determine the effect of injection augmentation of the vocal folds on chronic cough symptoms in patients with glottic insufficiency. METHODS: Medical records from 146 consecutive patients who underwent vocal fold injection augmentation by a fellowship-trained laryngologist between 2013 and 2015 were reviewed. Twenty-three patients (12 male) met inclusion criteria of a vocal fold augmentation injection, cough symptoms lasting more than 8 weeks, and glottic insufficiency as determined by shortened closed phase on stroboscopy...
October 8, 2017: Laryngoscope
https://www.readbyqxmd.com/read/28987710/special-health-care-needs-explains-the-effect-of-extremely-low-birth-weight-on-math-but-not-language-achievement
#12
Jonathan S Litt, Nori Minich, H Gerry Taylor, Maureen Hack
OBJECTIVES: Extremely low birth weight (ELBW; <1kg) adolescents are at risk for special health care needs (SHCN) and poor math achievement compared to normal birth weight (NBW) peers. SHCN are associated with poor academic achievement among NBW children. We hypothesize that SHCN explain the effect of ELBW on math achievement. METHODS: We compared age 14 Woodcock-Johnson Calculation standard scores between 181 ELBW infants and 115 NBW controls. Persistent SHCN included: 1) prescription medication or equipment use, 2) subspecialty or therapeutic service use, or 3) hospitalization...
October 4, 2017: Early Human Development
https://www.readbyqxmd.com/read/28984699/emerging-techniques-in-assessment-and-treatment-of-muscle-tension-dysphonia
#13
Meri L Andreassen, Juliana K Litts, Derrick R Randall
PURPOSE OF REVIEW: The purpose of this review is to summarize current evidence regarding treatment for muscle tension dysphonia (MTD) and to present recent advances in evaluation and management. RECENT FINDINGS: It is generally accepted that voice therapy for MTD is effective, but current systematic reviews report limited evaluation specific to MTD patients with moderate evidence, at best, available to support voice therapy techniques. Individual studies are difficult to compare because of heterogeneity...
December 2017: Current Opinion in Otolaryngology & Head and Neck Surgery
https://www.readbyqxmd.com/read/28984566/pertussis-associated-persistent-cough-in-previously-vaccinated-children
#14
Nicola Principi, David Litt, Leonardo Terranova, Marina Picca, Concetta Malvaso, Cettina Vitale, Norman K Fry, Susanna Esposito, The Italian Pertussis Group For Persistent Cough In Children
To evaluate the role of Bordetella pertussis infection, 96 otherwise healthy 7- to 17-year-old subjects who were suffering from a cough lasting from 2 to 8 weeks were prospectively recruited. At enrolment, a nasopharyngeal swab and an oral fluid sample were obtained to search for pertussis infection by the detection of B. pertussis DNA and/or an elevated titre of anti-pertussis toxin IgG. Evidence of pertussis infection was found in 18 (18.7 %; 95 % confidence interval, 11.5-28.0) cases. In 15 cases, the disease occurred despite booster administration...
October 6, 2017: Journal of Medical Microbiology
https://www.readbyqxmd.com/read/28978509/development-of-an-extended-specificity-multiplex-immunoassay-for-detection-of-streptococcus-pneumoniae-serotype-specific-antigen-in-urine-using-human-monoclonal-antibodies
#15
Seyi D Eletu, Carmen L Sheppard, Elizabeth Thomas, Kenneth Smith, Priya Daniel, David J Litt, Wei Shen Lim, Norman K Fry
Current pneumococcal vaccines cover the most common 10 to 23 serotypes of the 92 presently described. However, with the increased usage of pneumococcal serotype-based vaccines the risk of serotype-replacement and an increase in disease caused by non-vaccine serotypes remains. Serotype surveillance of pneumococcal infection relies heavily on culture techniques, which are known to be insensitive, particularly in non-invasive disease.Pneumococcal serotype-specific urine assays offer an alternative method of serotyping both invasive and non-invasive disease...
October 4, 2017: Clinical and Vaccine Immunology: CVI
https://www.readbyqxmd.com/read/28962036/does-the-thermal-damage-estimate-correlate-with-the-magnetic-resonance-imaging-predicted-ablation-size-after-laser-interstitial-thermal-therapy
#16
Nitesh V Patel, Kiersten Frenchu, Shabbar F Danish
BACKGROUND: Magnetic resonance guided laser induced thermal therapy (LITT) is a minimally invasive method to treat a wide range of intracranial pathologies. The Arrhenius model is used to generate a thermal damage estimate (TDE) predicting ablation extent. OBJECTIVE: Evaluation and correlation of the TDE to magnetic resonance imaging (MRI)-estimated ablation extent in human cases. METHODS: The Medtronic Visualase system (Medtronic Inc, Dublin, Ireland) was utilized...
September 8, 2017: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/28937303/palliative-coverage-of-cranial-defect-following-failed-cranial-flap-for-advanced-squamous-cell-carcinoma-case-report
#17
Vyacheslav Makler, Jeffrey S Litt, N Scott Litofsky
INTRODUCTION: With advanced-stage head and neck cancers, patients may develop large and/or complex wounds despite multiple reconstruction attempts. Wound coverage may require novel approaches to palliate the patient. METHOD: We present the case of a 56-year-old female with advanced squamous cell carcinoma of the scalp and skull who required multiple surgical interventions. Despite our best reconstructive efforts, the patient subsequently developed scalp infection and sepsis, necessitating further debridement for source control...
September 22, 2017: Journal of Palliative Medicine
https://www.readbyqxmd.com/read/28923492/rationale-and-design-of-the-atrial-fibrillation-health-literacy-information-technology-trial-af-litt
#18
Emily N Guhl, Courtney L Schlusser, Lori E Henault, Timothy W Bickmore, Everlyne Kimani, Michael K Paasche-Orlow, Jared W Magnani
BACKGROUND: Atrial Fibrillation (AF) is a common cardiac arrhythmia that is challenging for patients and adversely impacts health-related quality of life (HRQoL). Long-term management of AF requires that patients adhere to complex therapies, understand difficult terminology, navigate subspecialty care, and have continued symptom monitoring with the goal of preventing adverse outcomes. Continued interventions to ameliorate the patient experience of AF are essential. DESIGN: The Atrial Fibrillation health Literacy Information Technology Trial (AF-LITT; NCT03093558) is an investigator-initiated, 2-arm randomized clinical trial (RCT)...
November 2017: Contemporary Clinical Trials
https://www.readbyqxmd.com/read/28922876/visual-deficit-from-laser-interstitial-thermal-therapy-for-temporal-lobe-epilepsy-anatomical-considerations
#19
Walter J Jermakowicz, Michael E Ivan, Iahn Cajigas, Ramses Ribot, Ignacio Jusue-Torres, Mehul B Desai, Armando Ruiz, Pierre-Francois D'Haese, Andres M Kanner, Jonathan R Jagid
BACKGROUND: Laser interstitial thermal therapy (LITT) is quickly emerging as an effective surgical therapy for temporal lobe epilepsy (TLE). One of the most frequent complications of the procedure is postoperative visual field cuts, but the physiopathology of these deficits is unknown. OBJECTIVE: To evaluate potential causes of visual deficits after LITT for TLE in an attempt to minimize this complication. METHODS: This retrospective chart review compares the case of a 24-year-old male who developed homonymous hemianopsia following LITT for TLE to 17 prior patients who underwent the procedure and suffered no visual deficit...
October 1, 2017: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/28917283/mri-guided-laser-interstitial-thermal-therapy-for-epilepsy
#20
REVIEW
Robert Y North, Jeffrey S Raskin, Daniel J Curry
MRI-guided laser interstitial thermal therapy for epilepsy (LITT-E) has become an established, minimally invasive alternative to traditional epilepsy surgery. LITT-E is particularly valuable in cases in which open surgery poses unacceptably high morbidity or patient preference precludes craniotomy. Here we present a focused review of technical details and application of LITT to both focal and generalized epilepsy.
October 2017: Neurosurgery Clinics of North America
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