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https://www.readbyqxmd.com/read/28098511/hemodynamic-effects-of-hpma-copolymer-based-doxorubicin-conjugate-a-randomized-controlled-and-comparative-spectral-study-in-conscious-rats
#1
Hoay Yan Cheah, Olivera Šarenac, Juan J Arroyo, Marko Vasić, Maja Lozić, Sofija Glumac, See Ziau Hoe, Charles Colin Thomas Hindmarch, David Murphy, Lik Voon Kiew, Hong Boon Lee, Marίa J Vicent, Lip Yong Chung, Nina Japundžić-Žigon
Conjugation of Doxorubicin (DOX) to N-(2-Hydroxypropyl) methylacrylamide copolymer (HPMA) has significantly reduced the DOX-associated cardiotoxicity. However, the reports on the impact of HPMA-DOX conjugates on the cardiovascular system such as blood pressure (BP) and heart rate (HR) were in restrained animals using tail cuff and/or other methods that lacked the resolution and sensitivity. Herein, we employed radiotelemetric-spectral-echocardiography approach to further understand the in vivo cardiovascular hemodynamics and variability post administration of free DOX and HPMA-DOX...
January 18, 2017: Nanotoxicology
https://www.readbyqxmd.com/read/28097621/practice-patterns-of-venous-thromboembolism-prophylaxis-in-underweight-critically-ill-patients-with-neurologic-injury
#2
Kevin Betthauser, Hannah Pope, Mollie Gowan, Theresa Human
PURPOSE: Venous thromboembolism (VTE) prophylaxis in underweight patients with neurologic injury remains unaddressed by guidelines and primary literature. This study aimed to describe VTE prophylaxis strategies employed in this population and compare the impact of underweight and non-obese patients on thrombotic and bleeding events. METHODS: A retrospective review of adults admitted with a diagnosis of neurologic injury to a neurology/neurosurgery intensive care unit (ICU) over 6 years...
January 17, 2017: Neurocritical Care
https://www.readbyqxmd.com/read/28096918/perioperative-outcomes-following-radical-prostatectomy-for-patients-with-disseminated-cancer-an-analysis-of-the-national-surgical-quality-improvement-program-database
#3
Raj Satkunasivam, Christopher J D Wallis, James Byrne, Azik Hoffman, Douglas C Cheung, Girish S Kulkarni, Avery B Nathens, Robert K Nam
INTRODUCTION: We sought to determine whether patients undergoing radical prostatectomy (RP) in the context of disseminated cancer have higher 30-day complications. METHODS: We conducted a retrospective cohort study of the National Surgical Quality Improvement Program (NSQIP) database. Men undergoing RP (from January 1, 2005 to December 31, 2014) for prostate cancer were identified and stratified by presence (n=97) or absence (n=27 868) of disseminated cancer. The primary outcome was major complications (death, re-operation, cardiac or neurologic events) within 30 days of surgery...
November 2016: Canadian Urological Association Journal, Journal de L'Association des Urologues du Canada
https://www.readbyqxmd.com/read/28096689/influence-of-exercise-on-visceral-pain-an-explorative-study-in-healthy-volunteers
#4
Laura Jgm van Weerdenburg, Christina Brock, Asbjørn Mohr Drewes, Harry van Goor, Marjan de Vries, Oliver Hg Wilder-Smith
BACKGROUND AND OBJECTIVES: Contradictory results have been found about the effect of different exercise modalities on pain. The aim of this study was to investigate the early effects of aerobic and isometric exercise on different types of experimental pain, including visceral pain, compared to an active control condition. METHODS: Fifteen healthy subjects (6 women, mean [standard deviation] age 25 [6.5] years) completed 3 interventions consisting of 20 minutes of aerobic cycling, 12 minutes of isometric knee extension and a deep breathing procedure as active control...
2017: Journal of Pain Research
https://www.readbyqxmd.com/read/28095888/do-patients-prefer-optimistic-or-cautious-psychiatrists-an-experimental-study-with-new-and-long-term-patients
#5
Stefan Priebe, Gonca Ramjaun, Nadia Strappelli, Eleonora Arcidiacono, Eugenio Aguglia, Lauren Greenberg
BACKGROUND: Patients seeking treatment may be assumed to prefer a psychiatrist who suggests a new treatment with confidence and optimism. Yet, this might not apply uniformly to all patients. In this study, we tested the hypothesis that new patients prefer psychiatrists who present treatments optimistically, whilst patients with longer-term experience of mental health care may rather prefer more cautious psychiatrists. METHODS: In an experimental study, we produced video-clips of four psychiatrists, each suggesting a pharmacological and a psychological treatment once with optimism and once with caution...
January 17, 2017: BMC Psychiatry
https://www.readbyqxmd.com/read/28095602/age-and-adaptation-stronger-decision-updating-about-real-world-risks-in-older-age
#6
Jonathan J Rolison, Stacey Wood, Yaniv Hanoch
In later life, people are faced with a multitude of risky decisions that concern their health, finance, and personal security. Older adults often exercise caution in situations that involve risk. In this research, we asked whether older adults are also more responsive to warnings about potential risk. An answer to this question could reveal a factor underlying increased cautiousness in older age. In Study 1, participants decided whether they would engage in risky activities (e.g., using an ATM machine in the street) in four realistic scenarios about which participants could be expected to have relevant knowledge or experience...
January 17, 2017: Risk Analysis: An Official Publication of the Society for Risk Analysis
https://www.readbyqxmd.com/read/28095527/satisfaction-and-clinical-outcomes-among-patients-with-immediately-loaded-mandibular-overdentures-supported-by-one-or-two-dental-implants-results-of-a-5-year-prospective-randomized-clinical-trial
#7
Mats Kronstrom, Ben Davis, Robert Loney, Jack Gerrow, Lars Hollender
PURPOSE: The purpose of this study was to evaluate patient satisfaction and clinical outcomes among subjects with mandibular overdentures supported by one or two immediately placed dental implants 5 years after loading. MATERIALS AND METHODS: Thirty-six subjects (16 men and 20 women) received one or two dental implants in the anterior mandible, and all implants were loaded the day of surgery. Subjects were scheduled for follow-up 3-, 6-, and 12 months after implant placement and thereafter annually for 4 more years...
January 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/28095522/correlation-between-resonance-frequency-analysis-and-bone-quality-assessments-at-dental-implant-recipient-sites
#8
Min-Wen Fu, Earl Fu, Fu-Gong Lin, Wei-Jeng Chang, Yao-Dung Hsieh, E-Chin Shen
PURPOSE: To evaluate whether primary implant stability could be used to predict bone quality, the association between the implant stability quotient (ISQ) value and the bone type at the implant site was evaluated. MATERIALS AND METHODS: Ninety-five implant sites in 50 patients were included. Bone type (categorized by Lekholm and Zarb) at the implant site was initially assessed using presurgical dental radiography. During the preparation of the implant site, a bone core specimen was carefully obtained...
January 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/28095262/biosimilars-in-inflammatory-bowel-disease-accumulating-clinical-evidence
#9
Sean McConachie, Sheila M Wilhelm, Pramodini B Kale-Pradhan
Biologic antagonists to tumor necrosis factor alpha (TNF- α) are effective medications and have become well established in the treatment of both Crohn's disease and ulcerative colitis. Biosimilar medications, which are medications deemed to be equivalent to reference biologic products in terms of clinical effectiveness, safety, pharmacokinetic analysis, and immunogenicity, have now been approved in inflammatory bowel diseases (IBD) based on indication exploration from clinical data in alternate disease states...
January 17, 2017: Expert Review of Clinical Pharmacology
https://www.readbyqxmd.com/read/28094537/statistics-of-scientific-procedures-on-living-animals-great-britain-2015-highlighting-an-ongoing-upward-trend-in-animal-use-and-missed-opportunities
#10
Michelle Hudson-Shore
The Annual Statistics of Scientific Procedures on Living Animals Great Britain 2015 indicate that the Home Office were correct in recommending that caution should be exercised when interpreting the 2014 data as an apparent decline in animal experiments. The 2015 report shows that, as the changes to the format of the annual statistics have become more familiar and less problematic, there has been a re-emergence of the upward trend in animal research and testing in Great Britain. The 2015 statistics report an increase in animal procedures (up to 4,142,631) and in the number of animals used (up to 4,069,349)...
December 2016: Alternatives to Laboratory Animals: ATLA
https://www.readbyqxmd.com/read/28094375/crystallization-kinetics-of-cerium-oxide-nanoparticles-formed-by-spontaneous-room-temperature-hydrolysis-of-cerium-iv-ammonium-nitrate-in-light-and-heavy-water
#11
Natasha W Pettinger, Robert E A Williams, Jinquan Chen, Bern Kohler
A stable sol of cerium oxide nanoparticles forms spontaneously when cerium(iv) ammonium nitrate (CAN) is dissolved in room-temperature water at mM concentrations. Electron microscopy experiments reveal the formation of highly crystalline cerium oxide particles several nm in diameter and suggest that they are formed from amorphous particles that are similar in size. Under the low pH conditions of the experiments, the nanoparticles form a stable dispersion and show no evidence of aggregation, even many months after synthesis...
January 17, 2017: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/28093569/translational-evaluation-of-translocator-protein-as-a-marker-of-neuroinflammation-in-schizophrenia
#12
T Notter, J M Coughlin, T Gschwind, U Weber-Stadlbauer, Y Wang, M Kassiou, A C Vernon, D Benke, M G Pomper, A Sawa, U Meyer
Positron emission tomography (PET) imaging with radiotracers that target translocator protein 18 kDa (TSPO) has become a popular approach to assess putative neuroinflammatory processes and associated microglia activation in psychotic illnesses. It remains unclear, however, whether TSPO imaging can accurately capture low-grade inflammatory processes such as those present in schizophrenia and related disorders. Therefore, we evaluated the validity of TSPO as a disease-relevant marker of inflammation using a translational approach, which combined neurodevelopmental and neurodegenerative mouse models with PET imaging in patients with recent-onset schizophrenia and matched controls...
January 17, 2017: Molecular Psychiatry
https://www.readbyqxmd.com/read/28092988/measurement-invariance-of-the-prodromal-questionnaire-brief-among-white-asian-hispanic-and-multiracial-populations
#13
David C Cicero, Alexander Krieg, Elizabeth A Martin
The Prodromal Questionnaire-Brief is a scale that is used to screen individuals for risk for the development of psychosis. It has promising psychometric properties in clinical and nonclinical populations, including undergraduates. However, the measurement invariance of the scale has not been examined in Asian, White, Hispanic, and Multiracial samples. A total of 2,767 undergraduates at two large public U.S. universities completed the Prodromal Questionnaire-Brief. The Total scores had configural and scalar invariance, while the Distress scores displayed configural, metric, and partial scalar invariance...
January 1, 2017: Assessment
https://www.readbyqxmd.com/read/28092847/repetitive-transcranial-magnetic-stimulation-for-the-treatment-of-post-stroke-depression-a-systematic-review-and-meta-analysis-of-randomized-controlled-clinical-trials
#14
REVIEW
XinYi Shen, MingYi Liu, Yu Cheng, Cui Jia, XinYue Pan, QingYun Gou, XinLian Liu, Hui Cao, LuShun Zhang
BACKGROUND: Every year, more than fifteen million people worldwide experience a stroke, nearly 30% of stroke survivors are likely to experience post-stroke depression (PSD). Repetitive transcranial magnetic stimulation (rTMS) is one of the emerging techniques which assist in targeting rehabilitation after stroke. Although deterioration of PSD greatly affects the recovery and quality of life of stroke sufferers, the effect of rTMS therapy has not been systematically studied. OBJECTIVE: A systematic review and meta-analysis was conducted to determine the effect of rTMS on PSD...
January 10, 2017: Journal of Affective Disorders
https://www.readbyqxmd.com/read/28092505/fabrication-of-linear-array-and-top-orthogonal-to-bottom-electrode-cmut-arrays-with-a-sacrificial-release-process
#15
Benjamin A Greenlay, Roger J Zemp
The microfabrication processes for sacrificial-release-based capacitive micromachined ultrasound transducer arrays are provided with an emphasis on top-orthogonal-to-bottom electrode 2-D arrays. These arrays have significant promise for high-quality 3-D imaging with reduced wiring complexity compared with fully wired arrays. The protocols and best practices are outlined in significant detail along with design considerations and notes of caution for pitfalls and factors impacting yield.
January 2017: IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control
https://www.readbyqxmd.com/read/28092103/species-differences-in-hepatic-biotransformation-of-the-anthelmintic-drug-flubendazole
#16
M L Maté, T Geary, C Mackenzie, C Lanusse, G Virkel
Flubendazole (FLBZ) is a broad-spectrum benzimidazole anthelmintic used in pigs, poultry, and humans. It has been proposed as a candidate for development for use in elimination programmes for lymphatic filariasis and onchocerciasis in humans. Moreover, FLBZ has shown promise in cancer chemotherapy, particularly for neuroblastoma. This work investigated the hepatic carbonyl-reducing pathway of FLBZ in different species, including humans. Microsomal and cytosolic fractions were obtained from sheep, cattle, pig, hen, rat, and human liver...
January 16, 2017: Journal of Veterinary Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/28092015/enhancing-cognitive-functioning-in-healthly-older-adults-a-systematic-review-of-the-clinical-significance-of-commercially-available-computerized-cognitive-training-in-preventing-cognitive-decline
#17
REVIEW
Tejal M Shah, Michael Weinborn, Giuseppe Verdile, Hamid R Sohrabi, Ralph N Martins
Successfully assisting older adults to maintain or improve cognitive function, particularly when they are dealing with neurodegenerative disorders such as Alzheimer's disease (AD), remains a major challenge. Cognitive training may stimulate neuroplasticity thereby increasing cognitive and brain reserve. Commercial brain training programs are computerized, readily-available, easy-to-administer and adaptive but often lack supportive data and their clinical validation literature has not been previously reviewed...
January 14, 2017: Neuropsychology Review
https://www.readbyqxmd.com/read/28091746/-improvement-of-vision-through-perceptual-learning-in-the-case-of-refractive-errors-and-presbyopia-a-critical-valuation
#18
S P Heinrich
The idea of compensating or even rectifying refractive errors and presbyopia with the help of vision training is not new. For most approaches, however, scientific evidence is insufficient. A currently promoted method is "perceptual learning", which is assumed to improve stimulus processing in the brain. The basic phenomena of perceptual learning have been demonstrated by a multitude of studies. Some of these specifically address the case of refractive errors and presbyopia. However, many open questions remain, in particular with respect to the transfer of practice effects to every-day vision...
January 13, 2017: Der Ophthalmologe: Zeitschrift der Deutschen Ophthalmologischen Gesellschaft
https://www.readbyqxmd.com/read/28090806/randomized-sham-controlled-study-of-high-frequency-bilateral-deep-transcranial-magnetic-stimulation-dtms-to-treat-adult-attention-hyperactive-disorder-adhd-negative-results
#19
Yaniv Paz, Keren Friedwald, Yeheal Levkovitz, Abraham Zangen, Uri Alyagon, Uri Nitzan, Aviv Segev, Hagai Maoz, May Koubi, Yuval Bloch
BACKGROUND: Recent studies support the possible effectiveness of rTMS as a treatment for ADHD. OBJECTIVES: To evaluate the safety and possible efficacy of bilateral prefrontal deep rTMS for the treatment of adult ADHD. METHODS: Twenty-six adult ADHD patients were randomized blindly to sham or actual deep TMS. Twenty daily sessions were conducted using the bilateral H5 deep TMS coil (Brainsway, IL) in order to stimulate the prefrontal cortex at 120% of the motor threshold at high frequency...
January 16, 2017: World Journal of Biological Psychiatry
https://www.readbyqxmd.com/read/28090762/use-of-ace-inhibition-and-blood-pressure-management-in-deferring-dialysis-initiation
#20
Lucia Del Vecchio, Ugo Teatini, Francesco Locatelli
Elevated blood pressure is one of the most significant risk factor for the development of chronic kidney disease (CKD); its treatment is a milestone in CKD management. While it is accepted that a stricter blood pressure control is indicated in patients with proteinuria or microalbuminuria, the exact degree of blood pressure reduction to be obtained in CKD patients is still under debate. Following more recent interpretation of old trials, a BP target for < 140/90 mmHg is suggested for non-proteinuric CKD patients...
January 13, 2017: Panminerva Medica
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