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https://www.readbyqxmd.com/read/28734685/r-scan-cardiac-ct-angiography-for-acute-chest-pain
#1
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.
July 20, 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
#2
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
#3
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
https://www.readbyqxmd.com/read/28728045/postdiagnosis-neurological-care-for-patients-with-psychogenic-nonepileptic-spells-pnes
#4
Chloe E Hill, Hannah Schwartz, Nabila Dahodwala, Brian Litt, Kathryn A Davis
OBJECTIVE: This study investigated continuity of neurological care for patients discharged from the epilepsy monitoring unit (EMU) with a diagnosis of psychogenic nonepileptic spells (PNES). Because PNES are seizure-like episodes that cannot be explained by abnormal electrical brain activity, they are challenging for patients to understand and accept. Consequently, after diagnosis, patients commonly fail to start recommended psychotherapy and instead pursue redundant medical care. As consistent relationships with healthcare providers may help, we instituted standard follow-up for patients diagnosed with PNES...
July 17, 2017: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/28705839/circulating-dsdna-endothelial-injury-and-complement-activation-in-thrombotic-microangiopathy-and-gvhd
#5
Nicholas J Gloude, Pooja Khandelwal, Nathan Luebbering, Dana T Lounder, Sonata Jodele, Matthew N Alder, Adam Lane, Alyss Wilkey, Kelly E Lake, Bridget Litts, Stella M Davies
TA-TMA is a common and poorly recognized complication of HSCT associated with excessive complement activation, likely triggered by endothelial injury. An important missing piece is the link between endothelial injury and complement activation. We hypothesized that neutrophil extracellular traps (NETs) mechanistically link endothelial damage with complement activation and subsequent TA-TMA. Neutrophil activation releases granule proteins together with double stranded DNA (dsDNA), to form extracellular fibers known as NETs...
July 13, 2017: Blood
https://www.readbyqxmd.com/read/28699270/does-a-multidisciplinary-approach-to-voice-and-swallowing-disorders-improve-therapy-adherence-and-outcomes
#6
Juliana K Litts, Mona M Abaza
No abstract text is available yet for this article.
July 12, 2017: Laryngoscope
https://www.readbyqxmd.com/read/28697201/ability-of-general-dentists-and-prosthodontists-to-discern-and-identify-incremental-increases-in-occlusal-vertical-dimension-in-dentate-subjects
#7
David Remiszewski, Avinash S Bidra, Mark D Litt
PURPOSE: The aim of this study was to determine whether dentists are able to discern and identify increases in occlusal vertical dimension (OVD) in dentate subjects without apparent loss of OVD. MATERIALS AND METHODS: A total of 10 dentate subjects had mandibular overlays fabricated at 2-, 3-, 4-, and 5-mm openings of the anterior guide pin (AGP) of a semiadjustable articulator. Standardized frontal and profile photographs with subjects wearing each of the overlays were made...
July 2017: International Journal of Prosthodontics
https://www.readbyqxmd.com/read/28681473/timing-is-everything-where-status-epilepticus-treatment-fails
#8
Chloe E Hill, Alomi O Parikh, Colin Ellis, Jennifer S Myers, Brian Litt
Status epilepticus is an emergency, however prompt treatment of patients with status epilepticus is challenging. Clinical trials, such as the Established Status Epilepticus Treatment Trial (ESETT), compare effectiveness of antiepileptic medications, and rigorous examination of effectiveness of care delivery is similarly warranted. We reviewed the medical literature on observed deviations from guidelines, clinical significance, and initiatives to improve timely treatment. We found pervasive, substantial gaps between recommended and "real world" practice with regard to timing, dosing, and sequence of antiepileptic therapy...
July 6, 2017: Annals of Neurology
https://www.readbyqxmd.com/read/28668979/comparison-of-systemic-right-ventricular-function-in-transposition-of-the-great-arteries-after-atrial-switch-and-congenitally-corrected-transposition-of-the-great-arteries
#9
Michael Morcos, Philip J Kilner, David J Sahn, Harold I Litt, Emanuela R Valsangiacomo-Buechel, Florence H Sheehan
In patients with transposition of the great arteries corrected by interatrial baffle (TGA) and those with congenitally corrected transposition of the great arteries (ccTGA) the right ventricle (RV) is subjected to systemic pressure and fails prematurely. Previous studies have demonstrated RV dysfunction may be more pronounced in patients with TGA. The present study sought to compare patients with TGA and ccTGA using three-dimensional (3D) techniques to comprehensively analyze the shape, volume, global and regional function in the systemic RV...
July 1, 2017: International Journal of Cardiovascular Imaging
https://www.readbyqxmd.com/read/28666338/interictal-epileptiform-activity-outside-the-seizure-onset-zone-impacts-cognition
#10
Hoameng Ung, Christian Cazares, Ameya Nanivadekar, Lohith Kini, Joost Wagenaar, Danielle Becker, Abba Krieger, Timothy Lucas, Brian Litt, Kathryn A Davis
Cognitive deficits are common among epilepsy patients. In these patients, interictal epileptiform discharges, also termed spikes, are seen routinely on electroencephalography and believed to be associated with transient cognitive impairments. In this study, we investigated the effect of spikes on memory encoding and retrieval, taking into account the spatial distribution of spikes in relation to the seizure onset zone as well as anatomical regions of the brain. Sixty-seven patients with medication refractory epilepsy undergoing continuous intracranial electroencephalography monitoring engaged in a delayed free recall task to test short-term memory...
June 27, 2017: Brain: a Journal of Neurology
https://www.readbyqxmd.com/read/28643045/validation-of-a-mathematical-model-for-laser-induced-thermotherapy-in-liver-tissue
#11
F Hübner, C Leithäuser, B Bazrafshan, N Siedow, T J Vogl
The purpose of the study was to develop a simulation approach for laser-induced thermotherapy (LITT) that is based on mathematical models for radiation transport, heat transport, and tissue damage. The LITT ablation was applied to ex vivo pig liver tissue. Experiments were repeated with different laser powers, i.e., 22-34 W, and flow rates of the cooling water in the applicator system, i.e., 47-92 ml/min. During the procedure, the temperature was measured in the liver sample at different distances to the applicator as well as in the cooling circuit using a fiber optic thermometer...
June 22, 2017: Lasers in Medical Science
https://www.readbyqxmd.com/read/28622515/a-mechanogenetic-toolkit-for-interrogating-cell-signaling-in-space-and-time
#12
Daeha Seo, Kaden M Southard, Ji-Wook Kim, Hyun Jung Lee, Justin Farlow, Jung-Uk Lee, David B Litt, Thomas Haas, A Paul Alivisatos, Jinwoo Cheon, Zev J Gartner, Young-Wook Jun
No abstract text is available yet for this article.
June 15, 2017: Cell
https://www.readbyqxmd.com/read/28604542/outcome-of-dupuytren-contractures-after-collagenase-clostridium-histolyticum-injection-a-single-institution-experience
#13
Yin Kan Hwee, Daniel Park, Marisa Vinas, Christopher Litts, David Friedman
BACKGROUND: Collagenase clostridium histolyticum (CCH) injection is an alternative to surgery for patients with Dupuytren disease (DD) of the metacarpophalangeal (MCP) and proximal interphalangeal (PIP) joints. The success of surgical and nonsurgical treatment modalities for DD is reported to vary widely between 25% and 80% (J Bone Joint Surg Am. 1985;67:1439-1443; Plast Reconstr Surg. 2007;120:44e-54e; J Bone Joint Surg Am. 2007;89:189-198; J Hand Surg Am. 2011:36:936-942; J Hand Surg Am...
August 2017: Annals of Plastic Surgery
https://www.readbyqxmd.com/read/28598516/intratumor-cisplatin-nephrotoxicity-in-combined-laser-induced-thermal-therapy-for-cancer-treatment
#14
Marcel N Palumbo, Onivaldo Cervantes, Cecilia Eugênio, Flávia T P Hortense, João C Ribeiro, Ana Amélia P Paolini, Antônio C Tedesco, Joel A Sercarz, Marcos B Paiva
INTRODUCTION: Thermal ablation of tumors by Nd:YAG laser has been growing as a multidisciplinary subspecialty defined as laser-induced thermal therapy (LITT), and has been increasingly accepted as a minimally invasive method for palliation of advanced or recurrent cancer. Previous studies have shown that adjuvant chemotherapy can potentiate laser thermal ablation of tumors leading to improved palliation in advanced cancer patients. OBJECTIVE: Evaluate nephrotoxicity by early markers of renal function in treating head and neck cancer using intra-tumor injections of cisplatin combined with laser-induced thermal therapy (CDDP-LITT)...
June 9, 2017: Lasers in Surgery and Medicine
https://www.readbyqxmd.com/read/28591480/laser-interstitial-thermal-therapy-a-first-line-treatment-for-seizures-due-to-hypothalamic-hamartoma
#15
REVIEW
Victor X Du, Shashank V Gandhi, Harold L Rekate, Ashesh D Mehta
Successful treatment of hypothalamic hamartoma (HH) can result in the resolution of its sequelae including epilepsy and rage attacks. Risks and morbidity of open surgical management of this lesion have motivated the development of laser interstitial thermal therapy (LITT) as a less invasive treatment approach to the disease. Although overall morbidity and risk would appear to be lower, complications related to LITT therapy have been reported, and the longer-term follow-up that is now possible after initial experience helps address the question of whether LITT provides equivalent efficacy compared to other treatment options...
June 2017: Epilepsia
https://www.readbyqxmd.com/read/28580377/optimization-of-curvilinear-needle-trajectories-for-transforamenal-hippocampotomy
#16
David B Comber, E Bryn Pitt, Hunter B Gilbert, Matthew W Powelson, Emily Matijevich, Joseph S Neimat, Robert J Webster, Eric J Barth
BACKGROUND: The recent development of MRI-guided laser-induced thermal therapy (LITT) offers a minimally invasive alternative to craniotomies performed for tumor resection or for amygdalohippocampectomy to control seizure disorders. Current LITT therapies rely on linear stereotactic trajectories that mandate twist-drill entry into the skull and potentially long approaches traversing healthy brain. The use of robotically-driven, telescoping, curved needles has the potential to reduce procedure invasiveness by tailoring trajectories to the curved shape of the ablated structure and by enabling access through natural orifices...
February 2017: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/28540791/ablation-therapy-of-non-colorectal-cancer-lung-metastases-retrospective-analysis-of-tumour-response-post-laser-induced-interstitial-thermotherapy-litt-radiofrequency-ablation-rfa-and-microwave-ablation-mwa
#17
Nour-Eldin A Nour-Eldin, Sybille Exner, Mohammed Al-Subhi, Nagy N N Naguib, Benjamin Kaltenbach, Andrei Roman, Thomas J Vogl
PURPOSE: To retrospectively compare the local tumour response and survival rates in patients with non-colorectal cancer lung metastases post-ablation therapy using laser-induced thermotherapy (LITT), radiofrequency ablation (RFA) and microwave ablation (MWA). MATERIAL AND METHODS: Retrospective analysis of 175 computed tomography (CT)-guided ablation sessions performed on 109 patients (43 males and 66 females, mean age: 56.6 years). Seventeen patients with 22 lesions underwent LITT treatment (tumour size: 1...
April 3, 2017: International Journal of Hyperthermia
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-postablation-optic-neuritis
#18
Saint-Aaron Morris, Matthew Rollo, Patrick Rollo, Jessica Johnson, Gerald A Grant, Elliott Friedman, Giridhar Kalamangalam, Nitin Tandon
OBJECTIVE: Laser interstitial thermal therapy has become increasingly popular for targeting epileptic foci in a minimally invasive fashion. Despite its use in >1000 patients, the long-term effects of photothermal injury on brain physiology remain poorly understood. METHODS: We prospectively followed clinical and radiographic courses of 13 patients undergoing laser ablation for focal epilepsy by the senior author (N.T.). Only patients with nonenhancing lesions and patients who had a delayed postoperative magnetic resonance imaging (MRI) scan with gadolinium administration approximately 6 months after ablation were considered...
August 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
#19
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
#20
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
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