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https://www.readbyqxmd.com/read/28931203/scalpel-versus-electrosurgery-for-major-abdominal-incisions
#1
REVIEW
Kittipat Charoenkwan, Zipporah Iheozor-Ejiofor, Kittipan Rerkasem, Elizabeth Matovinovic
BACKGROUND: Scalpels or electrosurgery can be used to make abdominal incisions. The potential benefits of electrosurgery may include reduced blood loss, dry and rapid separation of tissue, and reduced risk of cutting injury to surgeons. Postsurgery risks possibly associated with electrosurgery may include poor wound healing and complications such as surgical site infection. OBJECTIVES: To assess the effects of electrosurgery compared with scalpel for major abdominal incisions...
June 14, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28931072/high-prevalence-of-non-dipping-blood-pressure-and-vascular-stiffness-in-hiv-infected-south-africans-on-antiretrovirals
#2
M S Borkum, J M Heckmann, K Manning, J A Dave, N S Levitt, B L Rayner, N Wearne
BACKGROUND: HIV-infected individuals are at increased risk of tissue inflammation and accelerated vascular aging ('inflamm-aging'). Abnormal diurnal blood pressure (BP) rhythms such as non-dipping may contribute to an increased risk of cardiovascular and cerebrovascular events in HIV infected individuals. However, little data exists on ambulatory blood pressure (ABP) and measures of vascular stiffness in the black African HIV infected population. METHODS: This is a cross-sectional analysis of otherwise well, HIV infected outpatients on ART for >5 years...
2017: PloS One
https://www.readbyqxmd.com/read/28931062/factors-associated-with-hepatitis-c-prevalence-differ-by-the-stage-of-liver-fibrosis-a-cross-sectional-study-in-the-general-population-in-poland-2012-2016
#3
Magdalena Rosińska, Natalia Parda, Agnieszka Kołakowska, Paulina Godzik, Karolina Zakrzewska, Kazimierz Madaliński, Andrzej Zieliński, Anna Boguradzka, Rafał Gierczyński, Małgorzata Stępień
BACKGROUND & AIMS: There is a considerable burden of hepatitis C in Europe related to the lack of prompt diagnosis. We aimed to estimate the prevalence and related risk factors of HCV infections by the stages of liver fibrosis, using non-invasive methods, to understand testing needs in Poland. METHODS: A cross-sectional study was conducted in 2012-2016 adopting a stratified random sampling of primary health care units followed by systematic sampling of patients within each unit...
2017: PloS One
https://www.readbyqxmd.com/read/28930996/assessment-of-the-anticoagulant-and-anti-inflammatory-properties-of-endothelial-cells-using-3d-cell-culture-and-non-anticoagulated-whole-blood
#4
Riccardo Sfriso, Anjan Bongoni, Yara Banz, Nikolai Klymiuk, Eckhard Wolf, Robert Rieben
In vivo, endothelial cells are crucial for the natural anticoagulation of circulating blood. Consequently, endothelial cell activation leads to blood coagulation. This phenomenon is observed in many clinical situations, like organ transplantation in the presence of pre-formed anti-donor antibodies, including xenotransplantation, as well as in ischemia/reperfusion injury. In order to reduce animal experimentation according to the 3R standards (reduction, replacement and refinement), in vitro models to study the effect of endothelial cell activation on blood coagulation would be highly desirable...
September 5, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/28930919/2017-military-supplement-mini-review-perfluorocarbons-oxygen-transport-and-microcirculation-in-low-flow-states-in-vivo-and-in-vitro-studies
#5
Ivo P Torres Filho
The in vivo study of microvascular oxygen transport requires accurate and challenging measurements of several mass transfer parameters. Although recommended, blood flow and oxygenation are typically not measured in many studies where treatments for ischemia are tested. Therefore, the aim of this communication is to briefly review cardinal aspects of oxygen transport, and the effects of perfluorocarbon treatment on blood flow and oxygenation based mostly on studies performed in our laboratory. Since physiologically relevant events in oxygen transport take place at the microvascular level, we implemented the phosphorescence quenching technique coupled with non-invasive intravital videomicroscopy for quantitative evaluation of these events in vivo...
September 19, 2017: Shock
https://www.readbyqxmd.com/read/28930917/shock-2017-military-supplement-an-overview-of-two-human-trials-of-perfluorocarbon-emulsions-in-non-cardiac-surgery
#6
Donat R Spahn, Peter E Keipert
Perfluorochemicals (PFCs) constitute one class of artificial oxygen carriers that are being produced completely synthetically. One formulation that has been evaluated extensively in clinical trials is a 60% w/v perflubron-based emulsion. Efficacy and safety of this perflubron emulsion was evaluated in a Phase 2 and a large prospective randomized Phase 3 multicenter European study, which collectively included a total of 639 patients. Perflubron emulsion was highly successful in improving organ function, reversing physiologic transfusion triggers and in reducing the need for allogeneic blood transfusions...
September 19, 2017: Shock
https://www.readbyqxmd.com/read/28930916/peripheral-muscle-near-infrared-spectroscopy-nirs-variables-are-altered-early-in-septic-shock
#7
Diego Orbegozo, Fuhong Su, Keliang Xie, Lokmane Rahmania, Fabio Silvio Taccone, Daniel De Backer, Jean-Louis Vincent, Jacques Creteur
BACKGROUND: Non-invasive evaluation of muscle perfusion using near infrared spectroscopy (NIRS) coupled with a vascular occlusion test (VOT) may provide an early and simple marker of altered perfusion and microcirculatory function in sepsis. OBJECTIVE: To compare the time-course of NIRS-derived variables with systemic measures of perfusion in an experimental model of peritonitis. METHODS: Peritonitis was induced in eight anesthetized, mechanically ventilated, adult sheep (24-34 Kg), by injecting autologous feces into the peritoneal cavity...
September 19, 2017: Shock
https://www.readbyqxmd.com/read/28930915/microvesicle-subsets-in-sepsis-due-to-community-acquired-pneumonia-compared-to-faecal-peritonitis
#8
Hazem M S Lashin, Suchita Nadkarni, Silvia Oggero, Hefin R Jones, Julian C Knight, Charles J Hinds, Mauro Perretti
RATIONALE: Microvesicles (MV) act as a non-soluble means of inter-cellular communication, with effector roles in disease pathogenesis and potentially as biomarkers. Previously, we reported that neutrophil MV expressing alpha-2-macroglobulin (A2MG) are protective in experimental sepsis and associate with survival in a small cohort of patients with sepsis due to community acquired pneumonia (CAP). OBJECTIVES: To characterise MV profiles in sepsis due to CAP or faecal peritonitis (FP) and determine their relation to outcome...
September 19, 2017: Shock
https://www.readbyqxmd.com/read/28930859/p16-methylation-was-associated-with-the-development-age-hepatic-viruses-infection-of-hepatocellular-carcinoma-and-p16-expression-had-a-poor-survival-a-systematic-meta-analysis-prisma
#9
Xueyou Lv, Guoliang Ye, Xinjun Zhang, Tao Huang
BACKGROUND: Loss of tumor suppressor gene p16 expression via promoter methylation has been reported in hepatocellular carcinoma (HCC). This meta-analysis was conducted to evaluate the correlation between p16 methylation and HCC. Additionally, we also analyzed the potential prognostic role of p16 methylation, expression or alteration-associated HCC. METHODS: Online databases based on the Preferred Reporting Items for Systematic reviews and Meta-Analyses (PRISMA) guideline were performed to analyze the role of p16 gene in HCC...
September 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28930746/early-assessment-of-the-risk-factors-for-diabetic-retinopathy-can-reduce-the-risk-of-peripheral-arterial-and-cardiovascular-diseases-in-type-2-diabetes
#10
Juan Tang, Tao Li, Pinhong Li, Yuefei Ma, Momo Liu, Qiaoyun Shan, Fengqi Guo, Ting Zhou, Qianping Wei
BACKGROUNDS: There is still a lack of consensus about how to assess the risk of peripheral arterial disease (PAD) and cardiovascular disease (CVD) in patients with diabetic retinopathy (DR). AIMS: We investigated the risk factors for DR and their association with PAD and CVD in patients with type 2 diabetes (T2D). METHODS: A total of 1,421 patients diagnosed with T2D participated in this study. DR stages were classified as non-DR, nonproliferative DR (NPDR), or proliferative DR (PDR)...
September 21, 2017: Ophthalmic Research
https://www.readbyqxmd.com/read/28930649/ph-multistage-responsive-micellar-system-with-charge-switch-and-peg-layer-detachment-for-co-delivery-of-paclitaxel-and-curcumin-to-synergistically-eliminate-breast-cancer-stem-cells
#11
Zhe Yang, Na Sun, Rui Cheng, Chenyang Zhao, Zerong Liu, Xian Li, Jie Liu, Zhongmin Tian
Several studies have demonstrated that cancer stem cells (CSCs) are responsible for replenishing bulk tumor cells, generating new tumors and causing metastasis and relapse. Although combination therapy with multiple chemotherapeutics is considered to be a promising approach for simultaneously eliminating non-CSCs and CSCs, it is difficult to deliver drugs into the inner region of a solid tumor where the CSCs are located due to a lack of capillaries. Here, we synthesized a pH-sensitive polymer, poly(ethylene glycol)-benzoic imine-poly(γ-benzyl-l-aspartate)-b-poly(1-vinylimidazole) block copolymer (PPBV), to develop a pH multistage responsive micellar system for co-delivering paclitaxel and curcumin and synergistically eliminating breast cancer stem cells (bCSCs) and non-bCSCs...
September 10, 2017: Biomaterials
https://www.readbyqxmd.com/read/28930596/modified-low-density-lipoproteins-as-biomarkers-in-diabetes-and-metabolic-syndrome
#12
Andrea Rivas-Urbina, Sonia Benitez, Antonio Perez, Jose Luis Sanchez-Quesada
Cardiovascular disease of atherosclerotic origin is the main cause of death in diabetes mellitus and metabolic syndrome. One of the mechanisms involved in such increased risk is the high incidence of lipoprotein modification in these pathologies. Increased glycosylation, oxidative stress or high non-esterified fatty acid levels in blood, among other factors, promote the modification and subsequent alteration of the properties of lipoproteins. Since the modification of low-density lipoprotein (LDL) is the triggering factor in the development of atherosclerosis, considerable research has been focused on the quantification of modified LDLs in blood to be used as biomarkers of cardiovascular risk...
January 1, 2018: Frontiers in Bioscience (Landmark Edition)
https://www.readbyqxmd.com/read/28930569/the-biology-of-the-platelet-with-special-reference-to-inflammation-wound-healing-and-immunity
#13
Alan T Nurden
While platelets have long been known to be essential for maintaining hemostasis in the vasculature, their role in tissue repair, inflammation and innate and adaptive immunity is a more recent science. The ability of platelets to attach to the vessel wall, form aggregates and promote fibrin formation, key elements of blood clotting, has been said to both favor and dampen inflammation, to fight infection and to assure an adequate immune response. To fulfill their different roles platelets often synchronize with leukocytes and cells of the immune system...
January 1, 2018: Frontiers in Bioscience (Landmark Edition)
https://www.readbyqxmd.com/read/28930547/use-of-non-ionizing-electromagnetic-fields-for-the-treatment-of-cancer
#14
Hugo Jimenez, Carl Blackman, Glenn Lesser, Waldemar Debinski, Michael Chan, Sambad Sharma, Kounosuke Watabe, Hui-Wen Lo, Alexandra Thomas, Dwayne Godwin, William Blackstock, Albert Mudry, James Posey, Rodney O'Connor, Ivan Brezovich, Keith Bonin, Daniel Kim-Shapiro, Alexandre Barbault, Boris Pasche
Cancer treatment and treatment options are quite limited in circumstances such as when the tumor is inoperable, in brain cancers when the drugs cannot penetrate the blood-brain-barrier, or when there is no tumor-specific target for generation of effective therapeutic antibodies. Despite the fact that electromagnetic fields (EMF) in medicine have been used for therapeutic or diagnostic purposes, the use of non-ionizing EMF for cancer treatment is a new emerging concept. Here we summarize the history of EMF from the 1890's to the novel and new innovative methods that target and treat cancer by non-ionizing radiation...
January 1, 2018: Frontiers in Bioscience (Landmark Edition)
https://www.readbyqxmd.com/read/28930521/multifactorial-role-of-long-non-coding-rnas-lncrnas-in-hematopoiesis
#15
Muhammad Babar Khawar, Rabia Mehmood, Muddasir Hassan Abbasi, Nadeem Sheikh
  Human genome project unveiled that only 1.5.-2.0.% of the genome is protein coding. ENCODE and related studies showed that most part of the genome transcribed into RNAs, and most of them do not code for a functional proteins, hence the name non-coding RNAs (ncRNAs). ncRNAs are small ncRNAs (less than 200 nucleotides) and long ncRNAs (longer than 200 nucleotides up to 10 kb). They act as a direct link between highly ordered chromosome structures, gene expression and serve as a bridge between genome and chromatin modification complexes as guides, scaffolds, and decoys...
January 1, 2018: Frontiers in Bioscience (Scholar Edition)
https://www.readbyqxmd.com/read/28930284/effects-of-intranasal-oxytocin-on-the-blood-oxygenation-level-dependent-signal-in-food-motivation-and-cognitive-control-pathways-in-overweight-and-obese-men
#16
Franziska Plessow, Dean A Marengi, Sylvia K Perry, Julia M Felicione, Rachel Franklin, Tara M Holmes, Laura M Holsen, Nikolaos Makris, Thilo Deckersbach, Elizabeth A Lawson
Recent research indicates that the hypothalamic neuropeptide hormone oxytocin is a key central nervous system factor in the regulation of food intake and weight. However, the mechanisms underlying the anorexigenic effects of oxytocin in humans are unknown and critical to study in order to consider oxytocin as a neurohormonal weight loss treatment. We performed a randomized, double-blind, placebo-controlled crossover study with single-dose intranasal oxytocin (24 IU) in ten overweight or obese, otherwise healthy men...
September 20, 2017: Neuropsychopharmacology: Official Publication of the American College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/28930095/robust-and-practical-non-invasive-estimation-of-local-arterial-wave-speed-and-mean-blood-velocity-waveforms
#17
Remi Kowalski, Richard Beare, Marie Willemet, Jordi Alastruey, Joseph J Smolich, Michael M H Cheung, Jonathan P Mynard
Local arterial wave speed, a surrogate of vessel stiffness, can be estimated via the pressure-velocity (PU) and diameter-velocity (ln(D)U) loop methods. These assume negligible early-systolic reflected waves (RWes) and require measurement of cross-sectionally averaged velocity (U<sub>mean</sub>), which itself is a valuable quantity related to volumetric blood flow. However, RWes may not always be negligible and routine Doppler ultrasound typically provides maximum velocity waveforms or estimates of mean velocity subject to various errors (U<sub>raw</sub>)...
September 20, 2017: Physiological Measurement
https://www.readbyqxmd.com/read/28929991/effects-of-different-dosages-of-propylene-glycol-in-dry-cows-and-cows-in-early-lactation
#18
Michaela Maurer, Walter Peinhopf, Jutta Gottschalk, Almut Einspanier, Gabor Koeller, Thomas Wittek
In this Research Paper we hypothesised that the temporary insulin resistance seen during the transition period in dairy cows may cause significant differences in the efficacy of PG at different sampling periods and that in some cases this effect will be dose dependent. Eighty four sampling sets were generated by studying 7 multiparous Holstein cows repeatedly at 4 sampling periods of 3 d length (dry cows: days 40, 39 and 38 antepartum; close up cows: days 10, 9 and 8 antepartum; fresh cows: days 3, 4 and 5 post-partum; lactating cows: days 38, 39 and 40 post-partum)...
September 20, 2017: Journal of Dairy Research
https://www.readbyqxmd.com/read/28929958/-screening-of-corynebacterium-diphtheriae-corynebacterium-ulcerans-and-corynebacterium-pseudotuberculosis-in-throat-swab-specimens-of-children-with-upper-respiratory-tract-infections
#19
Zeynep Gökçe Gayretli Aydın, Gönül Tanır, Selin Nar Ötgün, Meral Turan, Türkan Aydın Teke, Ayşe Kaman, Selçuk Kılıç
Although a significant decrease has been reported in the incidence of diphteria in many regions of the world following the routine diphtheria immunization programs, the emergence of new cases indicated that toxigenic strains are still circulating in the community. Diphtheria vaccine does not provide protection against asymptomatic carriage and colonization of non-toxigenic Corynebacterium diphtheriae. It is a known fact that invasive infections may arise from non-toxigenic C.diphtheriae strains that the non-toxigenic strains can become toxigenic strains leading to diphteria...
July 2017: Mikrobiyoloji Bülteni
https://www.readbyqxmd.com/read/28929796/a-coordinated-control-strategy-for-insulin-and-glucagon-delivery-in-type-1-diabetes
#20
Pau Herrero, Jorge Bondia, Nick Oliver, Pantelis Georgiou
Type 1 diabetes is an autoimmune condition characterised by a pancreatic insulin secretion deficit, resulting in high blood glucose concentrations, which can lead to micro- and macrovascular complications. Type 1 diabetes also leads to impaired glucagon production by the pancreatic α-cells, which acts as a counter-regulatory hormone to insulin. A closed-loop system for automatic insulin and glucagon delivery, also referred to as an artificial pancreas, has the potential to reduce the self-management burden of type 1 diabetes and reduce the risk of hypo- and hyperglycemia...
September 20, 2017: Computer Methods in Biomechanics and Biomedical Engineering
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