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Michael A. Adams

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https://www.readbyqxmd.com/read/28549709/ct-guided-bone-biopsies-in-metastatic-castration-resistant-prostate-cancer-factors-predictive-of-maximum-tumor-yield
#1
Michael G Holmes, Erik Foss, Gabby Joseph, Adam Foye, Brooke Beckett, Daria Motamedi, Jack Youngren, George V Thomas, Jiaoti Huang, Rahul Aggarwal, Joshi J Alumkal, Tomasz M Beer, Eric J Small, Thomas M Link
PURPOSE: To evaluate the success rate of CT-guided bone biopsies in metastatic castration-resistant prostate cancer (mCRPC) and to investigate associated technical, imaging, and clinical parameters affecting diagnostic yields. MATERIALS AND METHODS: Eighty CT-guided bone biopsy specimens were obtained from 72 men (median age, 68 y; range, 49-89 y) enrolled in a multicenter trial to identify mechanisms of resistance in mCRPC. Successful biopsy was determined by histologic confirmation of tumor cells and successful isolation of RNA for molecular analysis...
May 24, 2017: Journal of Vascular and Interventional Radiology: JVIR
https://www.readbyqxmd.com/read/28548625/acute-procedural-outcomes-of-orbital-atherectomy-for-the-treatment-of-common-femoral-artery-disease-sub-analysis-of-the-confirm-registries
#2
Michael S Lee, Daniel Heikali, Jihad Mustapha, George Adams, Ehtisham Mahmud
This analysis compared the angiographic outcomes of patients treated with orbital atherectomy for calcified common femoral artery (CFA) and superficial femoral artery (SFA) disease. The ideal revascularization strategy for CFA disease is unknown. Endarterectomy has been considered the standard of care for CFA disease for over 50 years. Endovascular intervention is becoming more commonly used to revascularize the CFA given the advances in technology and the less invasive nature of the procedure. Patient demographics, lesion characteristics, and procedure data for all CONFIRM patients with at least one CFA lesion location ( n=147 patients; n=200 lesions) were compared to patients with at least one SFA lesion location ( n=1508 patients; n=2367 lesions)...
May 1, 2017: Vascular Medicine
https://www.readbyqxmd.com/read/28547649/hklc-triages-more-hepatocellular-carcinoma-patients-to-curative-therapies-compared-to-bclc-and-is-associated-with-better-survival
#3
Michael C Wallace, Yi Huang, David B Preen, George Garas, Leon A Adams, Gerry MacQuillan, Jonathan Tibballs, John Ferguson, Shaun Samuelson, Gary P Jeffrey
BACKGROUND AND AIMS: The Hong Kong Liver Cancer (HKLC) system proposes to triage hepatocellular carcinoma (HCC) patients to more aggressive treatment and may be associated with superior survival compared with the Barcelona Clinic Liver Cancer (BCLC) system. We aimed to identify the influence of adherence to HKLC or BCLC treatment recommendations on survival and time to progression. METHODS: We examined a prospectively enrolled cohort of 292 patients undergoing 532 treatment episodes from a single clinical center...
May 25, 2017: Digestive Diseases and Sciences
https://www.readbyqxmd.com/read/28546308/dentate-gyrus-contributes-to-retrieval-as-well-as-encoding-evidence-from-context-fear-conditioning-recall-and-extinction
#4
Brian E Bernier, Anthony F Lacagnina, Adam Ayoub, Francis Shue, Boris V Zemelman, Franklin B Krasne, Michael R Drew
Dentate gyrus (DG) is widely thought to provide a teaching signal that enables hippocampal encoding of memories, but its role during retrieval is poorly understood. Some data and models suggest that DG plays no role in retrieval; others encourage the opposite conclusion. To resolve this controversy, we evaluated the effects of optogenetic inhibition of dorsal DG during context fear conditioning, recall, generalization, and extinction in male mice. We found that (1) inhibition during training impaired context fear acquisition; (2) inhibition during recall did not impair fear expression in the training context, unless mice had to distinguish between similar feared and neutral contexts; (3) inhibition increased generalization of fear to an unfamiliar context that was similar to a feared one and impaired fear expression in the conditioned context when it was similar to a neutral one; (4) inhibition impaired fear extinction...
May 25, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28546066/v-neck-technique-a-novel-improvement-to-the-infra-pubic-placement-of-an-inflatable-penile-implant
#5
Bhavik B Shah, Adam S Baumgarten, Kevin Morgan, Jonathan A Beilan, Michael Bickell, Ricardo Munarriz, Justin Parker, Rafael Carrion
BACKGROUND: Infra-pubic placement of an inflatable penile prosthesis (IPP) has a well-known configuration deformity from contralateral tubing that crosses the corporal bodies, resulting in tubing visibility and irritation under the penile skin. AIM: To present a novel step to eliminate this tubing crossover deformity. METHODS: The V-neck technique was applied to five patients, two of whom underwent suprapubic fat pad excision with simultaneous infra-pubic IPP placement and three patients who underwent only infra-pubic IPP placement...
May 22, 2017: Journal of Sexual Medicine
https://www.readbyqxmd.com/read/28544955/associations-of-anxiety-sensitivity-and-emotional-symptoms-with-the-subjective-effects-of-alcohol-cigarettes-and-cannabis-in-adolescents
#6
Raina D Pang, Casey R Guillot, Michael J Zvolensky, Marcel O Bonn-Miller, Adam M Leventhal
Maladaptive emotional traits (anxiety sensitivity [AS], fear of anxiety-related sensations and consequences) and symptoms (major depressive disorder [MDD] and generalized anxiety disorder [GAD] symptoms) could play a role in altering sensitivity to the subjective effects of drugs of abuse in adolescents. Data were drawn from a longitudinal study of high school students in Los Angeles, CA, USA who completed surveys and reported past six-month use of alcohol (n=1054), cigarettes (n=297), or cannabis (n=706). At each of the four semi-annual waves during mid-adolescence (14-16years old), students reported positive and negative subjective drug effects experienced in the prior six-months...
May 18, 2017: Addictive Behaviors
https://www.readbyqxmd.com/read/28544899/identifying-risk-sources-of-air-contamination-by-polycyclic-aromatic-hydrocarbons
#7
Jiri Huzlik, Frantisek Bozek, Adam Pawelczyk, Roman Licbinsky, Magdalena Naplavova, Michael Pondelicek
This article is directed to determining concentrations of polycyclic aromatic hydrocarbons (PAHs), which are sorbed to solid particles in the air. Pollution sources were identified on the basis of the ratio of benzo[ghi]perylene (BghiPe) to benzo[a]pyrene (BaP). Because various important information is lost by determining the simple ratio of concentrations, least squares linear regression (classic ordinary least squares regression), reduced major axis, orthogonal regression, and Kendall-Theil robust diagnostics were utilized for identification...
May 11, 2017: Chemosphere
https://www.readbyqxmd.com/read/28544783/electrocardiography-s-role-in-screening-for-cardiotoxicity-in-adult-survivors-of-childhood-cancer-survivors-treated-with-anthracyclines-time-for-a-true-prospective-study
#8
https://www.readbyqxmd.com/read/28544381/biventricular-impella-placement-via-complete-venous-access
#9
Norihiko Kamioka, Ateet Patel, Michael A Burke, Adam Greenbaum, Vasilis Babaliaros
Impella (Abiomed, Danvers, MA) is an effective option for emergent treatment of critical refractory cardiogenic shock. However, in patients who have inadequate peripheral arterial access, Impella for left ventricular support sometimes requires surgical access, leading to disadvantages for emergent procedures or invasiveness for very sick patients. In addition, Impella for right ventricular support was recently reported to contribute to the management of severe biventricular dysfunction. In this report, we describe a case of refractory cardiogenic shock in a patient with inadequate vascular access who was treated with biventricular Impella via venous and caval-aortic access under conscious sedation...
May 22, 2017: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/28544046/time-related-changes-in-firing-rates-are-influenced-by-recruitment-threshold-and-twitch-force-potentiation-in-the-first-dorsal-interosseous
#10
Jonathan D Miller, Trent J Herda, Michael A Trevino, Adam J Sterczala, Anthony B Ciccone
There are contradictory reports regarding changes in motor unit firing rates during steady force contractions. Inconsistencies are likely the result of previous studies disregarding motor unit recruitment thresholds and not examining firing rates on a subject-by-subject basis. It is hypothesized that firing rates are manipulated by twitch force potentiation during contractions. Therefore, this study examined time-related changes in firing rates at steady force in relation to motor unit recruitment threshold in the first dorsal interosseous and the influence of twitch force potentiation on such changes in young versus aged individuals...
May 24, 2017: Experimental Physiology
https://www.readbyqxmd.com/read/28544002/biological-effects-and-osteoarthritic-disease-modifying-activity-of-small-molecule-cm-01
#11
Yubo Sun, Andrea Roberts, David R Mauerhan, Michael Cox, Edward N Hanley
Phosphocitrate inhibits cartilage degeneration, however, the prospect of phosphocitrate as an oral disease modifying drug might be limited. The purpose of this study was to investigate the biological effects and disease-modifying activity of a phosphocitrate "analogue", CM-01 (Carolinas Molecule-01), and test the hypothesis that CM-01 is a disease modifying drug for osteoarthritis therapy. The effects of CM-01 on calcium crystal-induced expression of matrix metalloproteinase-1 and interleukin-1 beta, cell-mediated calcification and production of proteoglycan by chondrocytes were examined in cell cultures...
May 25, 2017: Journal of Orthopaedic Research: Official Publication of the Orthopaedic Research Society
https://www.readbyqxmd.com/read/28542918/multisite-external-validation-of-a-risk-prediction-model-for-the-diagnosis-of-blood-stream-infections-in-febrile-pediatric-oncology-patients-without-severe-neutropenia
#12
Adam J Esbenshade, Zhiguo Zhao, Catherine Aftandilian, Raya Saab, Rachel L Wattier, Melissa Beauchemin, Tamara P Miller, Jennifer J Wilkes, Michael J Kelly, Alison Fernbach, Michael Jeng, Cindy L Schwartz, Christopher C Dvorak, Yu Shyr, Karl G M Moons, Maria-Luisa Sulis, Debra L Friedman
BACKGROUND: Pediatric oncology patients are at an increased risk of invasive bacterial infection due to immunosuppression. The risk of such infection in the absence of severe neutropenia (absolute neutrophil count ≥ 500/μL) is not well established and a validated prediction model for blood stream infection (BSI) risk offers clinical usefulness. METHODS: A 6-site retrospective external validation was conducted using a previously published risk prediction model for BSI in febrile pediatric oncology patients without severe neutropenia: the Esbenshade/Vanderbilt (EsVan) model...
May 23, 2017: Cancer
https://www.readbyqxmd.com/read/28538595/after-posterior-fusions-for-adult-spinal-deformity-operative-time-is-more-predictive-of-perioperative-morbidity-rather-than-surgical-invasiveness-a-need-for-speed
#13
Andre M Samuel, Michael C Fu, Nidharshan S Anandasivam, Matthew L Webb, Adam M Lukasiewicz, Han Jo Kim, Jonathan N Grauer
STUDY DESIGN: Retrospective cohort study OBJECTIVE.: To determine the independent effects of operative time and surgical invasiveness on perioperative outcomes after posterior spinal fusions for adult spinal deformity. SUMMARY OF BACKGROUND DATA: Morbidity is high after posterior fusions for adult spinal deformity. While previous reports have demonstrated an association between perioperative outcomes and the extent of correction and fusion (number of posterior levels fused, pelvic fixation, combined anterior-posterior fusion), no study has looked at the independent effects of the surgical invasiveness after controlling for operative time...
May 22, 2017: Spine
https://www.readbyqxmd.com/read/28538159/long-term-stochastic-editing-of-regenerative-anatomy-via-targeting-endogenous-bioelectric-gradients
#14
Fallon Durant, Junji Morokuma, Christopher Fields, Katherine Williams, Dany Spencer Adams, Michael Levin
We show that regenerating planarians' normal anterior-posterior pattern can be permanently rewritten by a brief perturbation of endogenous bioelectrical networks. Temporary modulation of regenerative bioelectric dynamics in amputated trunk fragments of planaria stochastically results in a constant ratio of regenerates with two heads to regenerates with normal morphology. Remarkably, this is shown to be due not to partial penetrance of treatment, but a profound yet hidden alteration to the animals' patterning circuitry...
May 23, 2017: Biophysical Journal
https://www.readbyqxmd.com/read/28537977/perioperative-use-of-focused-transthoracic-cardiac-ultrasound-a-survey-of-current-practice-and-opinion
#15
Frederick Conlin, Neil R Connelly, Michael P Eaton, Patrick J Broderick, Jennifer Friderici, Adam C Adler
BACKGROUND: The advent of portable ultrasound machines in recent years has led to greater availability of focused cardiac ultrasound (FoCUS) in the perioperative and critical care setting. To our knowledge, its use in the perioperative setting among anesthesiologists remains undefined. We sought to assess the use of FoCUS by members of the Society of Cardiovascular Anesthesiologists (SCA) in clinical practice, to identify variations in its application, to outline limits to its use, and to understand the level of training of physicians using this technology...
May 19, 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/28533034/psychiatric-disorders-and-function-in-adolescents-with-tetralogy-of-fallot
#16
Jennifer E Holland, Adam R Cassidy, Christian Stopp, Matthew T White, David C Bellinger, Michael J Rivkin, Jane W Newburger, David R DeMaso
OBJECTIVES: To assess psychiatric disorders and function in adolescents with repaired tetralogy of Fallot (TOF) without and with a genetic diagnosis and to evaluate associations of functioning with medical factors, IQ, and demographics. STUDY DESIGN: Adolescents with TOF (n = 91) and 87 healthy referents completed a clinician-rated structured psychiatric interview, parent-/self-report measures of psychopathology, and brain magnetic resonance imaging. Twenty-three of the adolescents with TOF had a known genetic diagnosis...
May 19, 2017: Journal of Pediatrics
https://www.readbyqxmd.com/read/28530549/a-genetic-basis-for-molecular-asymmetry-at-vertebrate-electrical-synapses
#17
Adam C Miller, Alex C Whitebirch, Arish N Shah, Kurt C Marsden, Michael Granato, John O'Brien, Cecilia B Moens
Neural network function is based upon the patterns and types of connections made between neurons. Neuronal synapses are adhesions specialized for communication and they come in two types, chemical and electrical. Communication at chemical synapses occurs via neurotransmitter release whereas electrical synapses utilize gap junctions for direct ionic and metabolic coupling. Electrical synapses are often viewed as symmetrical structures, with the same components making both sides of the gap junction. By contrast, we show that a broad set of electrical synapses in zebrafish, Danio rerio, require two gap-junction-forming Connexins for formation and function...
May 22, 2017: ELife
https://www.readbyqxmd.com/read/28528561/angiotensin-ii-for-the-treatment-of-vasodilatory-shock
#18
Ashish Khanna, Shane W English, Xueyuan S Wang, Kealy Ham, James Tumlin, Harold Szerlip, Laurence W Busse, Laith Altaweel, Timothy E Albertson, Caleb Mackey, Michael T McCurdy, David W Boldt, Stefan Chock, Paul J Young, Kenneth Krell, Richard G Wunderink, Marlies Ostermann, Raghavan Murugan, Michelle N Gong, Rakshit Panwar, Johanna Hästbacka, Raphael Favory, Balasubramanian Venkatesh, B Taylor Thompson, Rinaldo Bellomo, Jeffrey Jensen, Stew Kroll, Lakhmir S Chawla, George F Tidmarsh, Adam M Deane
Background Vasodilatory shock that does not respond to high-dose vasopressors is associated with high mortality. We investigated the effectiveness of angiotensin II for the treatment of patients with this condition. Methods We randomly assigned patients with vasodilatory shock who were receiving more than 0.2 μg of norepinephrine per kilogram of body weight per minute or the equivalent dose of another vasopressor to receive infusions of either angiotensin II or placebo. The primary end point was a response with respect to mean arterial pressure at hour 3 after the start of infusion, with response defined as an increase from baseline of at least 10 mm Hg or an increase to at least 75 mm Hg, without an increase in the dose of background vasopressors...
May 21, 2017: New England Journal of Medicine
https://www.readbyqxmd.com/read/28526402/outpatient-antibiotic-stewardship-interventions-and-opportunities
#19
Erica L Dobson, Michael E Klepser, Jason M Pogue, Matthew J Labreche, Alex J Adams, Timothy P Gauthier, R Brigg Turner, Christy P Su, David M Jacobs, Katie J Suda
Improving the use of antibiotics across the continuum of care is a national priority. Data outlining the misuse of antibiotics in the outpatient setting justify the expansion of antibiotic stewardship programs (ASPs) into this health care setting; however, best practices for outpatient antibiotic stewardship (AS) are not yet defined. In a companion article, we focused on recommendations to overcome challenges related to the implementation of an outpatient ASP (e.g., building the AS team and defining program metrics)...
May 16, 2017: Journal of the American Pharmacists Association: JAPhA
https://www.readbyqxmd.com/read/28525826/formation-and-stability-of-manganese-doped-zns-quantum-dot-monolayers-determined-by-qcm-d-and-streaming-potential-measurements
#20
Magdalena Oćwieja, Katarzyna Matras-Postołek, Julia Maciejewska-Prończuk, Maria Morga, Zbigniew Adamczyk, Svitlana Sovinska, Adam Żaba, Marta Gajewska, Tomasz Król, Klaudia Cupiał, Michael Bredol
Manganese-doped ZnS quantum dots (QDs) stabilized by cysteamine hydrochloride were successfully synthesized. Their thorough physicochemical characteristics were acquired using UV-Vis absorption and photoluminescence spectroscopy, X-ray diffraction, dynamic light scattering (DLS), transmission electron microscopy (HR-TEM), energy dispersive spectroscopy (EDS) and Fourier transform infrared (FT-IR) spectroscopy. The average particle size, derived from HR-TEM, was 3.1nm, which agrees with the hydrodynamic diameter acquired by DLS, that was equal to 3-4nm, depending on ionic strength...
May 10, 2017: Journal of Colloid and Interface Science
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