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https://www.readbyqxmd.com/read/28923492/rationale-and-design-of-the-atrial-fibrillation-health-literacy-information-technology-trial-af-litt
#1
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)...
September 15, 2017: Contemporary Clinical Trials
https://www.readbyqxmd.com/read/28922876/visual-deficit-from-laser-interstitial-thermal-therapy-for-temporal-lobe-epilepsy-anatomical-considerations
#2
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
#3
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
https://www.readbyqxmd.com/read/28917281/magnetic-resonance-thermometry-and-laser-interstitial-thermal-therapy-for-brain-tumors
#4
REVIEW
Danilo Silva, Mayur Sharma, Rupa Juthani, Antonio Meola, Gene H Barnett
Recent technological advancements in intraoperative imaging are shaping the way for a new era in brain tumor surgery. Magnetic resonance thermometry has provided intraoperative real-time imaging feedback for safe and effective application of laser interstitial thermal therapy (LITT) in neuro-oncology. Thermal ablation has also established itself as a surgical option in epilepsy surgery and is currently used in spine oncology with promising results. This article reviews the principles and rationale as well as the clinical application of LITT for brain tumors...
October 2017: Neurosurgery Clinics of North America
https://www.readbyqxmd.com/read/28917280/a-novel-use-of-the-intraoperative-mri-for-metastatic-spine-tumors-laser-interstitial-thermal-therapy-for-percutaneous-treatment-of-epidural-metastatic-spine-disease
#5
REVIEW
Jonathan G Thomas, Wajd N Al-Holou, Dhiego Chaves de Almeida Bastos, Amol J Ghia, Jing Li, Andrew J Bishop, Behrang Amini, Laurence D Rhines, Claudio E Tatsui
Spinal laser interstitial thermal therapy (LITT) appears to be a promising novel modality for treatment of epidural metastatic spine disease in patients who are poor candidates for larger-scale oncologic spinal surgery and can act synergetically with spinal stereotactic radiosurgery to maximize local control and palliate pain. This technique is ideally suited for the intraoperative MRI suite to monitor the extent of the ablation in the epidural space. As percutaneous navigation, imaging, and LITT technology improve, broader applicability of this minimally invasive technique in spinal oncology is foreseen...
October 2017: Neurosurgery Clinics of North America
https://www.readbyqxmd.com/read/28914728/reason-for-referral-predicts-utilization-and-perceived-impact-of-early-intervention-services
#6
Karina Javalkar, Jonathan S Litt
OBJECTIVE: Children participating in early intervention (EI) vary in their medical needs and degree of delay, and previous studies have shown significant differences in EI enrollment based on the reason for referral. The effect of reason for referral on service provision and family satisfaction is largely unknown. METHODS: We used data from the National Early Intervention Longitudinal Study for our secondary data analysis. The main predictor was the reason for referral: a diagnosed condition, documented developmental delay, or other risk factors...
September 7, 2017: Journal of Developmental and Behavioral Pediatrics: JDBP
https://www.readbyqxmd.com/read/28910966/pneumococcal-23b-molecular-subtype-identified-using-whole-genome-sequencing
#7
Georgia Kapatai, Carmen L Sheppard, Lukas J Troxler, David J Litt, Julien Furrer, Markus Hilty, Norman K Fry
The polysaccharide capsule is a major virulence factor of Streptococcus pneumoniae and the target of all currently licensed pneumococcal vaccines. At present, there are 92 serologically distinct pneumococcal serotypes. Structural and antigenic variation of capsular types is the result of genetic variation within the capsular polysaccharide synthesis (CPS) locus; however, genetic variation may not always result in phenotypic differences which produce novel serotypes. With the introduction of high throughput whole genome sequencing, discovery of novel genotypic variants is not unexpected and this study describes a novel variant of the serotype 23B CPS operon...
August 1, 2017: Genome Biology and Evolution
https://www.readbyqxmd.com/read/28910473/optimization-of-simulation-and-moulage-in-military-related-medical-training
#8
Christopher Petersen, Stephen C Rush, Isabelle Gallo, Bryan Dalere, Brian Staak, Litt Moore, Win Kerr, Matthew Chandler, Will Smith
Preparation of Special Operations Forces (SOF) Medics as first responders for the battle space and austere environments is critical to optimize survival and quality of life for our Operators who may sustain serious and complex wounding patterns and illnesses. In the absence of constant clinical exposure for these medics, it is necessary to maximize all available training opportunities. The incorporation of scenario-based training helps weave together teamwork and the ability to practice treatment protocols in a tactical, controlled training environment to reproduce, to some degree, the environment in and stressors under which care will need to be delivered...
2017: Journal of Special Operations Medicine: a Peer Reviewed Journal for SOF Medical Professionals
https://www.readbyqxmd.com/read/28894956/the-effect-of-laser-power-blood-perfusion-thermal-and-optical-properties-of-human-liver-tissue-on-thermal-damage-in-litt
#9
Khalid Salem Shibib, Mohammed A Munshid, Hind Ali Lateef
In this work, the finite-element method (FEM) was used to predict the temperature distribution, and the thermal damage volume in human liver tissue subjected to laser in laser-induced interstitial thermotherapy (LITT). The effect of laser power, blood perfusion, and thermal and optical properties on maximum temperature and thermal damage volume were predicted using the finite-element method. A computer program was written in visual basic language, which was verified by comparing its result with data published elsewhere...
September 11, 2017: Lasers in Medical Science
https://www.readbyqxmd.com/read/28886739/an-australian-general-practice-based-strategy-to-improve-chronic-disease-prevention-and-its-impact-on-patient-reported-outcomes-evaluation-of-the-preventive-evidence-into-practice-cluster-randomised-controlled-trial
#10
Mark Fort Harris, Sharon M Parker, John Litt, Mieke van Driel, Grant Russell, Danielle Mazza, Upali W Jayasinghe, Jane Smith, Chris Del Mar, Riki Lane, Elizabeth Denney-Wilson
BACKGROUND: Implementing evidence-based chronic disease prevention with a practice-wide population is challenging in primary care. METHODS: PEP Intervention practices received education, clinical audit and feedback and practice facilitation. Patients (40‑69 years) without chronic disease from trial and control practices were invited to participate in baseline and 12 month follow up questionnaires. Patient-recalled receipt of GP services and referral, and the proportion of patients at risk were compared over time and between intervention and control groups...
September 8, 2017: BMC Health Services Research
https://www.readbyqxmd.com/read/28875364/age-and-sex-based-resource-utilisation-and-costs-in-patients-with-acute-chest-pain-undergoing-cardiac-ct-angiography-pooled-evidence-from-romicat-ii-and-acrin-pa-trials
#11
Fabian Bamberg, Thomas Mayrhofer, Maros Ferencik, Daniel O Bittner, Travis R Hallett, Sumbal Janjua, Christopher L Schlett, John T Nagurney, James E Udelson, Quynh A Truong, Pamela K Woodard, Judd E Hollander, Harold Litt, Udo Hoffmann
OBJECTIVES: To determine resource utilisation according to age and gender-specific subgroups in two large randomized diagnostic trials. METHODS: We pooled patient-specific data from ACRIN-PA 4005 and ROMICAT II that enrolled subjects with acute chest pain at 14 US sites. Subjects were randomized between a standard work-up and a pathway utilizing cardiac computed tomography angiography (CCTA) and followed for the occurrence of acute coronary syndrome (ACS) and resource utilisation during index hospitalisation and 1-month follow-up...
September 5, 2017: European Radiology
https://www.readbyqxmd.com/read/28873135/photoreceptor-based-biomarkers-in-aoslo-retinal-imaging
#12
REVIEW
Katie M Litts, Robert F Cooper, Jacque L Duncan, Joseph Carroll
Improved understanding of the mechanisms underlying inherited retinal degenerations has created the possibility of developing much needed treatments for these relentless, blinding diseases. However, standard clinical indicators of retinal health (such as visual acuity and visual field sensitivity) are insensitive measures of photoreceptor survival. In many retinal degenerations, significant photoreceptor loss must occur before measurable differences in visual function are observed. Thus, there is a recognized need for more sensitive outcome measures to assess therapeutic efficacy as numerous clinical trials are getting underway...
May 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/28862995/intracranial-eeg-fluctuates-over-months-after-implanting-electrodes-in-human-brain
#13
Hoameng Ung, Steven N Baldassano, Hank Bink, Abba M Krieger, Shawniqua Williams, Flavia Vitale, Chengyuan Wu, Dean Freestone, Ewan Nurse, Kent Leyde, Kathryn A Davis, Mark Cook, Brian Litt
OBJECTIVE: Implanting subdural and penetrating electrodes in the brain causes acute trauma and inflammation that affect intracranial electroencephalographic (iEEG) recordings. This behavior and its potential impact on clinical decision-making and algorithms for implanted devices have not been assessed in detail. In this study we aim to characterize the temporal and spatial variability of continuous, prolonged human iEEG recordings. APPROACH: Intracranial electroencephalography from 15 patients with drug-refractory epilepsy, each implanted with 16 subdural electrodes and continuously monitored for an average of 18 months, was included in this study...
September 1, 2017: Journal of Neural Engineering
https://www.readbyqxmd.com/read/28829041/loss-of-the-melanocortin-4-receptor-in-mice-causes-dilated-cardiomyopathy
#14
Michael J Litt, G Donald Okoye, Daniel Lark, Isin Cakir, Christy Moore, Mary C Barber, James Atkinson, Josh Fessel, Javid Moslehi, Roger D Cone
Haploinsufficiency of the melanocortin-4 receptor, the most common monogenetic obesity syndrome in humans, is associated with a reduction in autonomic tone, bradycardia, and incidence of obesity-associated hypertension. Thus, it has been assumed that melanocortin obesity syndrome may be protective with respect to obesity-associated cardiovascular disease. We show here that absence of the melanocortin-4 receptor (MC4R) in mice causes dilated cardiomyopathy, characterized by reduced contractility and increased left ventricular diameter...
August 22, 2017: ELife
https://www.readbyqxmd.com/read/28812002/image-guided-thermal-ablation-with-mr-based-thermometry
#15
REVIEW
Mingming Zhu, Ziqi Sun, Chin K Ng
Thermal ablation techniques such as radiofrequency, microwave, high intensity focused ultrasound (HIFU) and laser have been used as minimally invasive strategies for the treatment of variety of cancers. MR thermometry methods are readily available for monitoring thermal distribution and deposition in real time, leading to decrease of incidents of normal tissue damage around targeted lesion. HIFU and laser-induced thermal therapy (LITT) are the two widely accepted tumor ablation techniques because of their compatibility with MR systems...
June 2017: Quantitative Imaging in Medicine and Surgery
https://www.readbyqxmd.com/read/28780329/early-intervention-services-improve-school-age-functional-outcome-among-nicu-graduates
#16
Jonathan S Litt, M Maria Glymour, Penny Hauser-Cram, Thomas Hehir, Marie C McCormick
OBJECTIVE: To evaluate the effect of community-based (EI) services the on functional outcomes of high-risk infants at school age. DESIGN: Retrospective cohort study using data from the US Department of Education's National Early Intervention Longitudinal Study. Participants were enrolled in 1997-1998 with follow-up through 5 years and had a NICU admission, birth weight >400 grams, and gestational age >23 weeks. Kindergarten outcomes were teacher assessments of academic and physical skills compared to classmates...
August 2, 2017: Academic Pediatrics
https://www.readbyqxmd.com/read/28777037/applications-of-a-robotic-stereotactic-arm-for-pediatric-epilepsy-and-neurooncology-surgery
#17
Brandon A Miller, Afshin Salehi, David D Limbrick, Matthew D Smyth
OBJECTIVE The ROSA device is a robotic stereotactic arm that uses a laser system to register the patient's head or spine with MR or CT images. In this study, the authors analyze their experience with this system in pediatric neurosurgical applications and present selected cases that exemplify the usefulness of this system. METHODS The authors reviewed all cases that utilized the ROSA system at their institution. Patient demographics, pathology, complications, electrode placement, laser ablation, and biopsy accuracy were analyzed...
August 4, 2017: Journal of Neurosurgery. Pediatrics
https://www.readbyqxmd.com/read/28734685/r-scan-cardiac-ct-angiography-for-acute-chest-pain
#18
Pamela K Woodard, Sebastian R McWilliams, Demetrios A Raptis, Judd E Hollander, Harold I Litt, Todd C Villines, Quynh A Truong
No abstract text is available yet for this article.
September 2017: Journal of the American College of Radiology: JACR
https://www.readbyqxmd.com/read/28730738/the-effects-of-aspirated-thickened-water-on-survival-and-pulmonary-injury-in-a-rabbit-model
#19
Nogah Nativ-Zeltzer, Maggie A Kuhn, Denise M Imai, Ryan P Traslavina, Amanda S Domer, Juliana K Litts, Brett Adams, Peter C Belafsky
OBJECTIVES/HYPOTHESIS: Liquid thickeners are one of the most frequently utilized treatment strategies for persons with oropharyngeal swallowing dysfunction. The effect of commercially available thickeners on lung injury is uncertain. The purpose of this study was to compare the effects of aspiration of water alone, xanthan gum (XG)-thickened water, and cornstarch (CS)-thickened water on survival and lung morphology in a rabbit model. STUDY DESIGN: Animal model. Prospective small animal clinical trial...
July 21, 2017: Laryngoscope
https://www.readbyqxmd.com/read/28729954/clinical-streptococcal-isolates-distinct-from-streptococcus-pneumoniae-but-containing-the-%C3%AE-glucosyltransferase-tts-gene-and-expressing-serotype-37-capsular-polysaccharide
#20
Carmen L Sheppard, Georgia Kapatai, Karen Broughton, Ulf Schaefer, Matthew Hannah, David J Litt, Norman K Fry
The major virulence factor of the pneumococcus, and target for conjugate vaccines, is the polysaccharide capsule, which is usually encoded by the highly variable cps locus. Serotype 37 is an unusual pneumococcal type in which the single β-glucosyltransferase gene responsible for serotype capsule production (tts) is located outside of the capsular operon region. Using a previously described automated whole genome sequence (WGS)-based serotyping bioinformatics tool, PneumoCaT, we identified and investigated seven clinical isolates (three from blood cultures) of non-pneumococcal streptococci containing a highly homologous tts and included them in a study panel of 20 isolates which included a 11 further clinical isolates of S...
2017: PeerJ
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