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https://www.readbyqxmd.com/read/28502693/prolonged-blood-brain-barrier-disruption-following-laser-interstitial-ablation-in-epilepsy-a-case-series-with-a-case-report-of-post-ablation-optic-neuritis
#1
Saint-Aaron Morris, Matthew Rollo, Patrick Rollo, Jessica Johnson, Gerald A Grant, Elliott Friedman, Giridhar Kalamangalam, Nitin Tandon
OBJECTIVE: Laser interstitial thermal therapy (LITT) has become increasingly popular for targeting epileptic foci in a minimally invasive fashion. Despite its use in more than a thousand patients, the chronic effects of photo-thermal injury on brain physiology remain poorly understood. METHODS: We prospectively followed the clinical and radiographic courses of a cohort undergoing laser ablation for focal epilepsy. Only patients with non-enhancing lesions and those who had a delayed post-operative MRI with gadolinium administration approximately 6 months after the ablation were considered...
May 11, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28502023/sources-of-care-for-alcohol-and-other-drug-problems-the-role-of-the-african-american-church
#2
Eunice C Wong, Kathryn P Derose, Paula Litt, Jeremy N V Miles
African Americans experience significant disparities in treatment access, retention, and quality of care for alcohol and drug use (AOD) problems. Religious congregations, often the first point of contact for help with AOD problems, can play an integral role in improving access to treatment. However, little is known about the role of African American churches in addressing AOD problems. We administered a survey to a faith-based collaborative of 169 African American churches in Los Angeles to examine how AOD problems are identified in congregations, the types of support provided, barriers to providing treatment referrals, and factors associated with the provision of treatment referrals...
May 13, 2017: Journal of Religion and Health
https://www.readbyqxmd.com/read/28495211/maximum-aortic-valve-opening-phase-for-annulus-sizing-in-pre-tavr-cta
#3
Nam Ju Lee, Saurabh Jha, Bong Ju Lee, Harold Litt
RATIONALE AND OBJECTIVES: The optimal phase for the measurement of the aortic annular area for transcatheter aortic valve replacement (TAVR) is not standardized, although most agree that systolic measurements are preferred, when the annulus is larger. We hypothesized that the maximum annular area occurs at the cardiac phase of the maximum aortic valve opening (MAVO) and that this phase can be accurately and reproducibly assessed by visual inspection only. MATERIALS AND METHODS: The aortic valve opening area was inspected visually by two readers to determine the MAVO phase...
May 8, 2017: Academic Radiology
https://www.readbyqxmd.com/read/28487318/impact-of-coronary-calcification-on-clinical-management-in-patients-with-acute-chest-pain
#4
Daniel O Bittner, Thomas Mayrhofer, Fabian Bamberg, Travis R Hallett, Sumbal Janjua, Daniel Addison, John T Nagurney, James E Udelson, Michael T Lu, Quynh A Truong, Pamela K Woodard, Judd E Hollander, Chadwick Miller, Anna Marie Chang, Harjit Singh, Harold Litt, Udo Hoffmann, Maros Ferencik
BACKGROUND: Coronary artery calcification (CAC) may impair diagnostic assessment of coronary computed tomography angiography (CTA). We determined whether CAC affects efficiency of coronary CTA in patients with suspected acute coronary syndrome (ACS). METHODS AND RESULTS: This is a pooled analysis of ACRIN-PA (American College of Radiology Imaging Network-Pennsylvania) 4005 and the ROMICAT-II trial (Rule Out Myocardial Infarction/Ischemia Using Computer Assisted Tomography) comparing an initial coronary CTA strategy to standard of care in acute chest pain patients...
May 2017: Circulation. Cardiovascular Imaging
https://www.readbyqxmd.com/read/28487137/clinical-risk-factors-alone-are-inadequate-for-predicting-significant-coronary-artery-disease
#5
Frederick K Korley, Constantine Gatsonis, Bradley S Snyder, Richard T George, Thura Abd, Stefan L Zimmerman, Harold I Litt, Judd E Hollander
OBJECTIVE: We sought to derive and validate a model for identifying suspected ACS patients harboring undiagnosed significant coronary artery disease (CAD). METHODS: This was a secondary analysis of data from a randomized control trial (RCT). Patients randomized to the CTA arm of an RCT examining a CTA-based strategy for ruling-out acute coronary syndrome (ACS) constitute the derivation cohort, which was randomly divided into a training dataset (2/3, used for model derivation) and a test dataset (1/3, used for internal validation (IV))...
April 27, 2017: Journal of Cardiovascular Computed Tomography
https://www.readbyqxmd.com/read/28485976/use-of-nanoparticle-contrast-agents-for-cell-tracking-with-computed-tomography
#6
Johoon Kim, Peter Chhour, Jessica Hsu, Harold I Litt, Victor A Ferrari, Rachela Popovtzer, David P Cormode
Efforts to develop novel cell-based therapies originated with the first bone marrow transplant on a leukemia patient in 1956. Preclinical and clinical examples of cell-based treatment strategies have shown promising results across many disciplines in medicine, with recent advances in immune cell therapies for cancer producing remarkable response rates, even in patients with multiple treatment failures. However, cell-based therapies suffer from inconsistent outcomes, motivating the search for tools that allow monitoring cell delivery and behavior in vivo...
May 9, 2017: Bioconjugate Chemistry
https://www.readbyqxmd.com/read/28459961/crowdsourcing-seizure-detection-algorithm-development-and-validation-on-human-implanted-device-recordings
#7
Steven N Baldassano, Benjamin H Brinkmann, Hoameng Ung, Tyler Blevins, Erin C Conrad, Kent Leyde, Mark J Cook, Ankit N Khambhati, Joost B Wagenaar, Gregory A Worrell, Brian Litt
There exist significant clinical and basic research needs for accurate, automated seizure detection algorithms. These algorithms have translational potential in responsive neurostimulation devices and in automatic parsing of continuous intracranial electroencephalography data. An important barrier to developing accurate, validated algorithms for seizure detection is limited access to high-quality, expertly annotated seizure data from prolonged recordings. To overcome this, we hosted a kaggle.com competition to crowdsource the development of seizure detection algorithms using intracranial electroencephalography from canines and humans with epilepsy...
April 27, 2017: Brain: a Journal of Neurology
https://www.readbyqxmd.com/read/28456420/the-evolution-of-outer-retinal-tubulation-a-neurodegeneration-and-gliosis-prominent-in-macular-diseases
#8
Rosa Dolz-Marco, Katie M Litts, Anna C S Tan, K Bailey Freund, Christine A Curcio
PURPOSE: To document outer retinal tubulation (ORT) formation in advanced retinal disorders. DESIGN: Retrospective, observational study. PARTICIPANTS: Consecutive cases with retinal diseases showing outer retinal disruption and atrophy of the retinal pigment epithelium (RPE) associated with ORT on spectral-domain (SD) optical coherence tomography (OCT) at the final available visit. METHODS: Cross-sectional SD OCT scans showing ORT at the last available visit were compared with eye-tracked baseline scans...
April 26, 2017: Ophthalmology
https://www.readbyqxmd.com/read/28417602/novel-use-of-perfusion-balloon-inflation-to-avoid-outflow-tract-obstruction-during-transcatheter-mitral-valve-in-valve-replacement
#9
Howard C Herrmann, Wilson Y Szeto, Harold Litt, William Vernick
Left ventricular outflow tract (LVOT) obstruction is a recognized complication of transcatheter mitral valve-in-valve replacement in previous surgical prostheses. We describe a patient who was high risk for repeat open surgery in whom the LVOT was compromised by a surgical strut and the potential for LVOT obstruction. A novel approach to avoiding this complication was utilized. A perfusion balloon was inflated in the outflow tract to provide an opposing force during mitral valve deployment resulting in less flaring of the strut into the outflow tract thereby improving the neo-LVOT area...
April 18, 2017: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/28411414/laser-interstitial-thermotherapy-litt-in-epilepsy-surgery
#10
REVIEW
Christian Hoppe, Juri-Alexander Witt, Christoph Helmstaedter, Thomas Gasser, Hartmut Vatter, Christian E Elger
Besides other innovative stereotactic procedures (radiofrequency thermocoagulation, focused ultrasound, gamma knife) laser interstitial thermotherapy (LiTT) provides minimally invasive destruction of pathological soft tissues which could be especially relevant for epilepsy surgeries involving adult and pediatric patients. Unlike standard resections, no craniotomy is required; just a tiny borehole trepanation is sufficient. Damage to cortical areas when accessing deep lesions can be minimized or completely avoided, and treating epileptogenic foci near eloquent or even vital brain areas becomes possible...
April 6, 2017: Seizure: the Journal of the British Epilepsy Association
https://www.readbyqxmd.com/read/28409062/improved-availability-and-quality-of-care-with-epilepsy-nurse-practitioners
#11
Chloe E Hill, Bethany Thomas, Kimberly Sansalone, Kathryn A Davis, Judy A Shea, Brian Litt, Nabila Dahodwala
BACKGROUND: This study investigated the quality of care delivered by nurse practitioner (NP)-physician teams employed to expand clinic appointment availability for patients with epilepsy. METHODS: We performed a retrospective observational cohort study of patients with epilepsy presenting to the Penn Epilepsy Center for a new patient appointment in 2014. During this time, patients were seen either by an NP-physician team care model or a more traditional physician-only care model...
April 2017: Neurology. Clinical Practice
https://www.readbyqxmd.com/read/28395232/laser-interstitial-thermotherapy-application-for-breast-surgery-current-situation-and-new-trends
#12
REVIEW
Yohan Kerbage, Nacim Betrouni, Pierre Collinet, Henri Azaïs, Serge Mordon, Anne-Sophie Dewalle-Vignion, Benjamin Merlot
While breast specialists debate on therapeutic de-escalation in breast cancer, the treatment of benign lesions is also discussed in relation to new percutaneous ablation techniques. The purpose of these innovations is to minimize potential morbidity. Laser Interstitial ThermoTherapy (LITT) is an option for the ablation of targeted nodules. This review evaluated the scientific publications investigating the LITT approach in malignant and benign breast disease. Three preclinical studies and eight clinical studies (2 studies including fibroadenomas and 6 studies including breast cancers) were reviewed...
June 2017: Breast: Official Journal of the European Society of Mastology
https://www.readbyqxmd.com/read/28362211/laser-interstitial-thermal-therapy-for-palliative-ablation-of-a-chordoma-metastasis-to-the-spine-case-report
#13
Brian J Williams, Patrick J Karas, Ganesh Rao, Laurence D Rhines, Claudio E Tatsui
The authors present the first report of laser interstitial thermal therapy (LITT) ablation of a recurrent chordoma metastasis to the cervical spine. This patient was a 75-year-old woman who was diagnosed and treated for a sacral chordoma, and then developed metastases to the lung and upper thoracic spine. Unfortunately she experienced symptomatic recurrence at the C-7 spinous process. She underwent an uncomplicated LITT to the lesion. The patient convalesced without incident and was discharged on postoperative Day 1...
March 31, 2017: Journal of Neurosurgery. Spine
https://www.readbyqxmd.com/read/28348940/minimally-invasive-robotic-laser-corpus-callosotomy-a-proof-of-concept
#14
Harminder Singh, Walid I Essayed, Sayantan Deb, Caitlin Hoffman, Theodore H Schwartz
INTRODUCTION: We describe the feasibility of using minimally invasive robotic laser interstitial thermotherapy (LITT) for achieving an anterior two-thirds as well as a complete corpus callosotomy. METHODS: Ten probe trajectories were plotted on normal magentic resonance imaging (MRI) scans using the Brainlab Stereotactic Planning Software (Brainlab, Munich, Germany). The NeuroBlate® System (Monteris Medical, MN, USA) was used to conform the thermal burn to the corpus callosum along the trajectory of the probe...
February 10, 2017: Curēus
https://www.readbyqxmd.com/read/28338469/the-utility-of-thyroid-ultrasonography-in-the-management-of-thyroid-nodules
#15
Gary Gamme, Tyler Parrington, Edward Wiebe, Sunita Ghosh, Brendan Litt, David C Williams, Todd P W McMullen
BACKGROUND: Ultrasonography for thyroid nodules is one of the most common imaging tests performed in the general population. Details from ultrasound reports guide biopsies and surgery. This study quantifies the completeness of these reports based on Thyroid Imaging and Reporting System (TI-RADS) criteria and considers their utility in predicting malignant disease. METHODS: We retrospectively reviewed ultrasound reports for 329 thyroidectomy patients and extracted data elements using the TI-RADS criteria: nodule size, echogenicity, margins, vascularity, solid/cystic composition and the presence or absence of microcalcifications and the halo sign...
April 2017: Canadian Journal of Surgery. Journal Canadien de Chirurgie
https://www.readbyqxmd.com/read/28327935/science-in-the-cloud-sic-a-use-case-in-mri-connectomics
#16
Gregory Kiar, Krzysztof J Gorgolewski, Dean Kleissas, William Gray Roncal, Brian Litt, Brian Wandell, Russel A Poldrack, Martin Wiener, R Jacob Vogelstein, Randal Burns, Joshua T Vogelstein
Modern technologies are enabling scientists to collect extraordinary amounts of complex and sophisticated data across a huge range of scales like never before. With this onslaught of data, we can allow the focal point to shift from data collection to data analysis. Unfortunately, lack of standardized sharing mechanisms and practices often make reproducing or extending scientific results very difficult. With the creation of data organization structures and tools that drastically improve code portability, we now have the opportunity to design such a framework for communicating extensible scientific discoveries...
May 1, 2017: GigaScience
https://www.readbyqxmd.com/read/28324881/optic-radiation-tractography-and-visual-field-deficits-in-laser-interstitial-thermal-therapy-for-amygdalohippocampectomy-in-patients-with-mesial-temporal-lobe-epilepsy
#17
Dali Yin, John A Thompson, Cornelia Drees, Steven G Ojemann, Lidia Nagae, Victoria S Pelak, Aviva Abosch
BACKGROUND/AIMS: Laser interstitial thermal therapy (LITT) has become an alternative to open-resective surgery for refractory mesial temporal lobe epilepsy (MTLE). Occurrence of visual field defects (VFDs) following open surgery for MTLE is reported at 52-100%. We examined the rate of VFDs following LITT for amygdalohippocampectomy (AHE) and correlated the occurrence of VFDs with damage to the optic radiations, assessed by diffusion tensor tractography (DTI). METHODS: We performed a retrospective analysis of 5 patients who underwent LITT-AHE for medically refractory MTLE...
2017: Stereotactic and Functional Neurosurgery
https://www.readbyqxmd.com/read/28303256/recurring-functional-interactions-predict-network-architecture-of-interictal-and-ictal-states-in-neocortical-epilepsy
#18
Ankit N Khambhati, Danielle S Bassett, Brian S Oommen, Stephanie H Chen, Timothy H Lucas, Kathryn A Davis, Brian Litt
Human epilepsy patients suffer from spontaneous seizures, which originate in brain regions that also subserve normal function. Prior studies demonstrate focal, neocortical epilepsy is associated with dysfunction, several hours before seizures. How does the epileptic network perpetuate dysfunction during baseline periods? To address this question, we developed an unsupervised machine learning technique to disentangle patterns of functional interactions between brain regions, or subgraphs, from dynamic functional networks constructed from approximately 100 h of intracranial recordings in each of 22 neocortical epilepsy patients...
January 2017: ENeuro
https://www.readbyqxmd.com/read/28281498/from-resection-to-ablation-a-review-of-resective-surgical-options-for-temporal-lobe-epilepsy-and-rationale-for-an-ablation-based-approach
#19
REVIEW
Anne Coyle, Jonathan Riley, Chengyuan Wu, Ashwini Sharan
Surgical intervention is of proven benefit in an appropriately selected subset of patients with medically refractory temporal lobe epilepsy. In these patients, a surgical cure both provides the quality of life improvement that comes from seizure freedom as well as a survival benefit. However, patients who undergo open surgical intervention may have a worsening in neurobehavioral outcomes. Laser interstitial thermal therapy (LITT) represents a minimally invasive surgical intervention that has shown promise in improving post-operative neurobehavioral outcomes...
2017: Neurology India
https://www.readbyqxmd.com/read/28244590/laser-thermal-ablation-for-mesiotemporal-epilepsy-analysis-of-ablation-volumes-and-trajectories
#20
Walter J Jermakowicz, Andres M Kanner, Samir Sur, Christina Bermudez, Pierre-Francois D'Haese, John Paul G Kolcun, Iahn Cajigas, Rui Li, Carlos Millan, Ramses Ribot, Enrique A Serrano, Naymee Velez, Merredith R Lowe, Gustavo J Rey, Jonathan R Jagid
OBJECTIVE: To identify features of ablations and trajectories that correlate with optimal seizure control and minimize the risk of neurocognitive deficits in patients undergoing laser interstitial thermal therapy (LiTT) for mesiotemporal epilepsy (mTLE). METHODS: Clinical and radiographic data were reviewed from a prospectively maintained database of all patients undergoing LiTT for the treatment of mTLE at the University of Miami Hospital. Standard preoperative and postoperative evaluations, including contrast-enhanced magnetic resonance imaging (MRI) and neuropsychological testing, were performed in all patients...
May 2017: Epilepsia
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