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https://www.readbyqxmd.com/read/28236865/does-fasting-influence-preload-responsiveness-in-asa-1-and-2-volunteers
#1
Daniel Rodrigues Alves, Regina Ribeiras
INTRODUCTION: Preoperative fasting was long regarded as an important cause of fluid depletion, leading to hemodynamic instability during surgery should replenishment is not promptly instituted. Lately, this traditional point of view has been progressively challenged, and a growing number of authors now propose a more restrictive approach to fluid management, although doubt remains as to the true hemodynamic influence of preoperative fasting. METHODS: We designed an observational, analytic, prospective, longitudinal study in which 31 ASA 1 and ASA 2 volunteers underwent an echocardiographic examination both before and after a fasting period of at least 6hours (h)...
March 2017: Brazilian Journal of Anesthesiology
https://www.readbyqxmd.com/read/28230073/%C3%AE-synuclein-transfer-through-tunneling-nanotubes-occurs-in-sh-sy5y-cells-and-primary-brain-pericytes-from-parkinson-s-disease-patients
#2
Birger Victor Dieriks, Thomas I-H Park, Chantelle Fourie, Richard L M Faull, Mike Dragunow, Maurice A Curtis
Parkinson's disease (PD) is characterized by the presence of inclusions known as Lewy bodies, which mainly consist of α-synuclein (α-syn) aggregates. There is growing evidence that α-syn self-propagates in non-neuronal cells, thereby contributing to the progression and spread of PD pathology in the brain. Tunneling nanotubes (TNTs) are long, thin, F-actin-based membranous channels that connect cells and have been proposed to act as conduits for α-syn transfer between cells. SH-SY5Y cells and primary human brain pericytes, derived from postmortem PD brains, frequently form TNTs that allow α-syn transfer and long-distance electrical coupling between cells...
February 23, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28228966/objective-image-analysis-of-real-time-three-dimensional-intraoperative-ultrasound-for-intrinsic-brain-tumour-surgery
#3
Sophie J Camp, Vasileios Apostolopoulos, Vasileios Raptopoulos, Amrish Mehta, Kevin O'Neill, Mohammed Awad, Babar Vaqas, David Peterson, Federico Roncaroli, Dipankar Nandi
BACKGROUND: There is growing evidence that maximal surgical resection of primary intrinsic brain tumours is beneficial, both by improving progression free and overall survival and also by facilitating postoperative chemotherapy and radiotherapy. Hence, there has been an increase in the popularity of real-time intraoperative imaging in brain tumour surgery. The complex theatre arrangements, prohibitive cost and prolonged theatre time of intraoperative MRI have restricted its application...
2017: Journal of Therapeutic Ultrasound
https://www.readbyqxmd.com/read/28225546/making-travel-to-cuba-work-for-health-and-sustainable-development
#4
Conner Gorry
In 2015, a record-breaking 3.5 million visitors-1 million from Canada alone-traveled to Cuba to explore its history, culture, natural splendor, and visit family. That same year, US President Barack Obama relaxed travel restrictions, giving general authorization for a dozen categories of legal travel by US citizens and residents. As a result, US visitors to the island ballooned by 80% between January 2015 and June 2016. And the numbers keep growing: the latest data show that foreign arrivals reached 4 million in 2016...
January 2017: MEDICC Review
https://www.readbyqxmd.com/read/28224481/not-all-choices-are-created-equal-task-relevant-choices-enhance-motor-learning-compared-to-task-irrelevant-choices
#5
Michael J Carter, Diane M Ste-Marie
Lewthwaite et al. (2015) reported that the learning benefits of exercising choice (i.e., their self-controlled condition) are not restricted to task-relevant features (e.g., feedback). They found that choosing one's golf ball color (Exp. 1) or choosing which of two tasks to perform at a later time plus which of two artworks to hang (Exp. 2) resulted in better retention than did being denied these same choices (i.e., yoked condition). The researchers concluded that the learning benefits derived from choice, whether irrelevant or relevant to the to-be-learned task, are predominantly motivational because choice is intrinsically rewarding and satisfies basic psychological needs...
February 21, 2017: Psychonomic Bulletin & Review
https://www.readbyqxmd.com/read/28223457/the-source-and-evolutionary-history-of-a-microbial-contaminant-identified-through-soil-metagenomic-analysis
#6
Matthew R Olm, Cristina N Butterfield, Alex Copeland, T Christian Boles, Brian C Thomas, Jillian F Banfield
In this study, strain-resolved metagenomics was used to solve a mystery. A 6.4-Mbp complete closed genome was recovered from a soil metagenome and found to be astonishingly similar to that of Delftia acidovorans SPH-1, which was isolated in Germany a decade ago. It was suspected that this organism was not native to the soil sample because it lacked the diversity that is characteristic of other soil organisms; this suspicion was confirmed when PCR testing failed to detect the bacterium in the original soil samples...
February 21, 2017: MBio
https://www.readbyqxmd.com/read/28221944/a-novel-immunoassay-test-system-for-detection-of-modified-allergen-residues-present-in-almond-cashew-coconut-hazelnut-and-soy-based-nondairy-beverages
#7
Jongkit Masiri, Lora Benoit, Mahzad Meshgi, Jeffrey Day, Cesar Nadala, Mansour Samadpour
A growing number of plant-based milk substitutes have become commercially available, providing an array of options for consumers with dietary restrictions. Though several of these products rival cow's milk in terms of their nutritional profiles, beverages prepared with soy and tree nuts can be a significant concern to consumers because of potential contamination with food allergens. Adding to this concern is the fact that allergen residues from plant-based beverages are modified during manufacturing, thereby decreasing the sensitivity of antibody-based detection methods...
September 2016: Journal of Food Protection
https://www.readbyqxmd.com/read/28220626/the-role-of-physician-oversight-on-advanced-practice-nurses-professional-autonomy-and-empowerment
#8
Polly A Petersen, Sandra M Way
BACKGROUND AND PURPOSE: Little is known about the effects of physician oversight on advanced practice registered nurses (APRNs). Examination of these relationships provides insight into the strength of independent practice. The purpose of this study was to examine whether APRNs' perceptions of autonomy and empowerment varied according to type of physician oversight, whether facilitative or restrictive. DATA SOURCES: A cross-sectional survey design was used to examine whether APRNs' perceptions of autonomy and empowerment varied according to physician oversight, geographical location, and practice setting...
February 21, 2017: Journal of the American Association of Nurse Practitioners
https://www.readbyqxmd.com/read/28219950/nutritional-modulation-of-mouse-and-human-liver-bud-growth-through-a-branched-amino-acid-metabolism
#9
Hiroyuki Koike, Ran-Ran Zhang, Yasuharu Ueno, Keisuke Sekine, Yun-Wen Zheng, Takanori Takebe, Hideki Taniguchi
Liver bud progenitors experience a transient amplification during early organ growth phase, yet the responsible mechanism was not fully understood. Collective evidence highlighted the specific requirements in stem cell metabolism for expanding organ progenitors during organogenesis and regeneration. Here, transcriptome analyses showed progenitors of mouse and human liver bud growth stage specifically expressed branched chain aminotransferase1 gene, a known breakdown enzyme of branched-chain amino acid (BCAA) for energy generation...
February 20, 2017: Development
https://www.readbyqxmd.com/read/28215314/the-reduced-oxidized-state-of-plasma-albumin-is-modulated-by-dietary-protein-intake-partly-via-albumin-synthesis-rate-in-rats
#10
Yasuaki Wada, Yoshiyasu Sato, Keisuke Miyazaki, Yasuhiro Takeda, Masashi Kuwahata
The reduced/oxidized state of plasma albumin is influenced by many factors, including chronic diseases and strenuous training. Recently, the reduced/oxidized state has also been shown to be associated with dietary protein and energy intakes in rats. We hypothesized that dietary protein intake may modulate the reduced/oxidized state of plasma albumin by altering the rate of albumin synthesis and that the reduced/oxidized state could therefore serve as a novel marker of protein undernutrition. We tested this hypothesis by examining male growing rats placed on a low-protein or energy-restriction diet...
January 2017: Nutrition Research
https://www.readbyqxmd.com/read/28214379/skeletal-and-dental-effects-of-class-iii-orthopaedic-treatment-a-systematic-review-and-meta-analysis
#11
REVIEW
Roberto Rongo, Vincenzo D'Antò, Rosaria Bucci, Ilaria Polito, Roberto Martina, Ambrosina Michelotti
AIM: To summarise the skeletal, dental and soft tissue effects of orthopaedic treatment on growing skeletal class III patients compared with a concurrent untreated similar control group; and to evaluate if the design of the primary studies may affect the results. MATERIALS AND METHOD: A literature search was performed up to the end of February 2016. No restrictions were applied concerning language and appliances. Once the quality score was assessed, a meta-analysis was performed for the appliances used in more than three studies...
February 18, 2017: Journal of Oral Rehabilitation
https://www.readbyqxmd.com/read/28211045/walk-in-clinics-versus-physician-offices-and-emergency-rooms-for-urgent-care-and-chronic-disease-management
#12
REVIEW
Connie E Chen, Christopher T Chen, Jia Hu, Ateev Mehrotra
BACKGROUND: Walk-in clinics are growing in popularity around the world as a substitute for traditional medical care delivered in physician offices and emergency rooms, but their clinical efficacy is unclear. OBJECTIVES: To assess the quality of care and patient satisfaction of walk-in clinics compared to that of traditional physician offices and emergency rooms for people who present with basic medical complaints for either acute or chronic issues. SEARCH METHODS: We searched CENTRAL, MEDLINE, Embase, six other databases, and two trials registers on 22 March 2016 together with reference checking, citation searching, and contact with study authors to identify additional studies...
February 17, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28211039/cutaneous-squamous-cell-carcinoma-an-epidemiological-review
#13
REVIEW
A C Green, C M Olsen
Cutaneous squamous cell carcinoma (SCC) is a common cancer in white populations and its disease burden is often substantially underestimated. SCC occurs more often in men than women and increases dramatically with age; those affected often develop multiple primaries over time, which increases the burden. The main external cause is solar ultraviolet radiation (UVR), with immunosuppression being the other established risk factor, shown by the high SCC rates in organ transplant recipients. Sunbed use and certain genetic disorders and medical conditions are also associated with SCC, while associations with human papillomavirus infection and high bodyweight are not established...
February 16, 2017: British Journal of Dermatology
https://www.readbyqxmd.com/read/28207502/impact-of-the-dietary-fatty-acid-intake-on-c-reactive-protein-levels-in-us-adults
#14
Mohsen Mazidi, Hong-Kai Gao, Hassan Vatanparast, Andre Pascal Kengne
Growing evidence suggests that the effects of diet on cardiovascular disease (CVD) occur through mechanisms involving subclinical inflammation. We assessed whether reported dietary fatty acid intake correlates with a serum high-sensitivity C-reactive protein (hs-CRP) concentration in a population-based sample of US men and women.In this cross-sectional analysis, participants were selected from the US National Health and Nutrition Examination Survey (NHANES) and restricted to those with available data on dietary intake, biochemical and anthropometric measurements from 2001 to 2010...
February 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28197547/neural-progenitor-cells-promote-axonal-growth-and-alter-axonal-mrna-localization-in-adult-neurons
#15
Tanuja T Merianda, Ying Jin, Ashley L Kalinski, Pabitra K Sahoo, Itzhak Fischer, Jeffery L Twiss
The inhibitory environment of the spinal cord and the intrinsic properties of neurons prevent regeneration of axons following CNS injury. However, both ascending and descending axons of the injured spinal cord have been shown to regenerate into grafts of embryonic neural progenitor cells (NPCs). Previous studies have shown that grafts composed of glial-restricted progenitors (GRPs) and neural-restricted progenitors (NRPs) can provide a permissive microenvironment for axon growth. We have used cocultures of adult rat dorsal root ganglion (DRG) neurons together with NPCs, which have shown significant enhancement of axon growth by embryonic rat GRP and GRPs/NRPs, both in coculture conditions and when DRGs are exposed to conditioned medium from the NPC cultures...
January 2017: ENeuro
https://www.readbyqxmd.com/read/28196771/liver-metastases-from-breast-cancer-what-role-for-surgery-indications-and-results
#16
REVIEW
Nicolas Golse, René Adam
Liver metastases from breast cancer (LMBC) have long been considered as a systemic disease because of the hematological route of dissemination, requiring noncurative management. In fact, despite recent advances in drug therapies personalized to tumor phenotype, the chances of a cure are nil and there is little hope of long-term survivors after nonsurgical management alone. By contrast, there is a growing evidence in the literature for satisfactory long-term results after a combination of chemotherapy and liver resection, with 5-year survival reaching >40% in some series...
January 9, 2017: Clinical Breast Cancer
https://www.readbyqxmd.com/read/28190538/acute-intoxication-caused-by-synthetic-cannabinoids-5f-adb-and-mmb-2201-a-case-series
#17
Bernardino Barceló, Simona Pichini, Victoria López-Corominas, Isabel Gomila, Christopher Yates, Francesco Paolo Busardò, Manuela Pellegrini
Synthetic cannabinoids are relatively new substances of abuse. Recently, abuse of synthetic cannabinoids has been increasingly reported in the lay press and medical literature. When new compounds are introduced, their use is initially not restricted by prohibition therefore their consumption cannot be verified by standard drug tests. The use of these compounds among adolescents and young adults is constantly growing, making it important for emergency services to be familiar with the signs and symptoms of intoxication present...
February 2, 2017: Forensic Science International
https://www.readbyqxmd.com/read/28188828/role-of-mirnas-in-human-cancer-metastasis-implications-for-therapeutic-intervention
#18
REVIEW
Mohammad Alam Jafri, Mohammed Hussein Al-Qahtani, Jerry William Shay
Metastasis is the spread and growth of localized cancer to new locations in the body and is considered the main cause of cancer-related deaths. Metastatic cancer cells display distinct genomic and epigenomic profiles and almost universally an aggressive pathophysiology. A better understanding of the molecular mechanisms and regulation of metastasis, including how metastatic tumors grow and survive in the nascent niche and the interactions of the emergent metastatic cancer cells within the local microenvironment may provide tools to design strategies to restrict metastatic dissemination...
February 8, 2017: Seminars in Cancer Biology
https://www.readbyqxmd.com/read/28188592/redirecting-reproductive-immunology-research-toward-pregnancy-as-a-period-of-temporary-immune-tolerance
#19
Norbert Gleicher, Vitaly A Kushnir, David H Barad
Referring to two recent publications, we here propose that clinical reproductive immunology has for decades stagnated because reproductive medicine, including assisted reproduction (AR), has failed to accept embryo implantation as an immune system-driven process, dependent on establishment of maternal tolerance toward the implanting fetal semi-allograft (and complete allograft in cases of oocyte donation). Pregnancy represents a biologically unique period of temporary (to the period of gestation restricted) tolerance, otherwise only known in association with parasitic infections...
February 10, 2017: Journal of Assisted Reproduction and Genetics
https://www.readbyqxmd.com/read/28188124/commencing-and-persisting-with-a-web-based-cognitive-behavioral-intervention-for-insomnia-a-qualitative-study-of-treatment-completers
#20
Charles Chan, Stacey West, Nick Glozier
BACKGROUND: Computerized cognitive behavioral therapy for insomnia (CCBT-I) has a growing evidence base as a stand-alone intervention, but it is less clear what factors may limit its acceptability and feasibility when combined with clinical care. OBJECTIVE: The purpose of this study was to explore barriers and facilitators to use of an adjunctive CCBT-I program among depressed patients in a psychiatric clinic by using both quantitative and qualitative approaches...
February 10, 2017: Journal of Medical Internet Research
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