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https://www.readbyqxmd.com/read/28528312/low-sensitivity-of-reproductive-life-stages-in-the-pacific-oyster-crassostrea-gigas-to-abamectin
#1
Laura J Falkenberg, Anna-Lisa Wrange, Alexandra Kinnby, Jon N Havenhand, Antony Lockyer, Craig A Styan
Hard surfaces submerged in the marine environment often become colonised by macro-organisms unless the surfaces have some form of biofouling protection. While protective paints that contain tributyltin or copper work well to prevent biofouling, release of these materials into the environment has been shown to have wider negative impacts. Consequently, new low-release antifouling paints are being developed with alternative active ingredients, such as avermectins, yet little is known about their potential effects on non-target organisms in marine environments...
May 15, 2017: Chemosphere
https://www.readbyqxmd.com/read/28520568/endothelin-a-receptor-antagonists-in-diabetic-kidney-disease
#2
Panagiotis I Georgianos, Rajiv Agarwal
PURPOSE OF REVIEW: Despite optimal therapy of diabetic nephropathy with agents blocking the renin-angiotensin-aldosterone system, the residual risk of nephropathy progression to end-stage renal disease (ESRD) remains high. The purpose of this review is to discuss the potential role of endothelin antagonism as a therapeutic tool to reduce residual proteinuria and delay kidney injury progression among patients with diabetic nephropathy. RECENT FINDINGS: Preclinical studies have shown that endothelin receptor antagonists (ERAs) exert proteinuria lowering and nephroprotective actions in experimental models of diabetic nephropathy...
May 17, 2017: Current Opinion in Nephrology and Hypertension
https://www.readbyqxmd.com/read/28504565/early-intensive-statin-treatment-reduces-hard-cardiovascular-outcomes-after-acute-coronary-syndrome
#3
Gregory G Schwartz, Rana Fayyad, Michael Szarek, David DeMicco, Anders G Olsson
Background Early, intensive statin treatment is the standard of care after acute coronary syndrome (ACS). However, the benefit of this approach to prevent major adverse cardiovascular events has been demonstrated in only one randomised, placebo controlled trial. The Myocardial Ischemia Reduction with Aggressive Cholesterol Lowering (MIRACL) trial demonstrated that atorvastatin 80 mg daily, compared with placebo, reduced time to first occurrence of death, non-fatal myocardial infarction, resuscitated cardiac arrest, or hospitalisation for unstable angina (stroke not included) during the 16 week period following ACS...
January 1, 2017: European Journal of Preventive Cardiology
https://www.readbyqxmd.com/read/28483601/rcts-are-the-only-appropriate-way-to-demonstrate-the-role-of-vitamin-d-in-health
#4
REVIEW
Rolf Jorde
Despite thousands of vitamin D studies published, including hundreds of reviews and meta-analyses, it is still uncertain if supplementation with vitamin D will have positive health effects, except for the skeleton. This cannot be answered by doing more observational studies as it is impossible to control for confounding factors and reverse causality. The only way to firmly prove positive vitamin D effects is by doing the properly designed randomized controlled trials (RCTs). However, it has been difficult to show the expected positive effects by vitamin D supplementation in RCTs, which may indicate that the effects, if present must be small...
May 5, 2017: Journal of Steroid Biochemistry and Molecular Biology
https://www.readbyqxmd.com/read/28473803/contemporary-medical-management-of-primary-hyperparathyroidism-a-systematic-review
#5
REVIEW
Julius Simoni Leere, Jesper Karmisholt, Maciej Robaczyk, Peter Vestergaard
INTRODUCTION: Primary hyperparathyroidism is increasingly an asymptomatic disease at diagnosis, but the recognized guidelines for management are based on evidence obtained from studies on patients with symptomatic disease, and surgery is not always indicated. Other patients are unable to undergo surgery, and thus a medical treatment is warranted. This systematic review provides an overview of the existing literature on contemporary pharmaceutical options available for the medical management of primary hyperparathyroidism...
2017: Frontiers in Endocrinology
https://www.readbyqxmd.com/read/28448503/etiologic-effects-and-optimal-intakes-of-foods-and-nutrients-for-risk-of-cardiovascular-diseases-and-diabetes-systematic-reviews-and-meta-analyses-from-the-nutrition-and-chronic-diseases-expert-group-nutricode
#6
Renata Micha, Masha L Shulkin, Jose L Peñalvo, Shahab Khatibzadeh, Gitanjali M Singh, Mayuree Rao, Saman Fahimi, John Powles, Dariush Mozaffarian
BACKGROUND: Dietary habits are major contributors to coronary heart disease, stroke, and diabetes. However, comprehensive evaluation of etiologic effects of dietary factors on cardiometabolic outcomes, their quantitative effects, and corresponding optimal intakes are not well-established. OBJECTIVE: To systematically review the evidence for effects of dietary factors on cardiometabolic diseases, including comprehensively assess evidence for causality; estimate magnitudes of etiologic effects; evaluate heterogeneity and potential for bias in these etiologic effects; and determine optimal population intake levels...
2017: PloS One
https://www.readbyqxmd.com/read/28442952/comparison-of-onset-anesthesia-time-and-injection-discomfort-of-4-articaine-and-2-mepivacaine-during-teeth-extractions
#7
Giath Gazal, Rashdan Alharbi, Wamiq Musheer Fareed, Esam Omar, Albraa Badr Alolayan, Hassan Al-Zoubi, Ahmad A Alnazzawi
OBJECTIVE: To investigate the speed of action and injection discomfort of 4% articaine and 2% mepivacaine for upper teeth extractions. MATERIALS AND METHODS: Forty-five patients were included in the articaine 4% group, and 45 in the mepivacaine 2% control group. After all injections, soft and hard tissue numbness was objectively gauged by dental probe at intervals of 15 s. Furthermore, the discomfort of the injections were recorded by the patients after each treatment on standard 100 mm visual analog scales, tagged at the endpoints with "no pain" (0 mm) and "unbearable pain" (100 mm)...
April 2017: Saudi Journal of Anaesthesia
https://www.readbyqxmd.com/read/28441172/intravascular-ultrasound-and-outcomes-after-drug-eluting-stent-implantation
#8
Gary S Mintz
There have been nine published randomized trials and 30 registry studies comparing intravascular ultrasound (IVUS)-guided drug-eluting stent implantation versus conventional angiographic guidance. These trials and registries have been evaluated and summarized in (i) eight meta-analyses that included from nine to 18 registries and from one to seven randomized trials and (ii) four meta-analyses that included from three to eight randomized trials. Although with one exception no two meta-analyses have included the same trials or studies, in each meta-analysis, IVUS guidance was associated with a reduction in major adverse cardiac events as well as secondary hard endpoints of death (primarily cardiovascular mortality), myocardial infarction, and stent thrombosis, especially in randomized trial meta-analyses...
June 2017: Coronary Artery Disease
https://www.readbyqxmd.com/read/28431507/antimicrobial-prophylaxis-outside-the-operating-theatre-an-audit-in-a-university-hospital
#9
Jan W T Deelen, Caroline E Visser, Jan M Prins, Reinier M van Hest
BACKGROUND: The prophylactic use of antimicrobial agents to prevent infections in non-surgical situations has hardly been investigated. We investigate the extent, indications and appropriateness of antimicrobial prophylaxis given outside the operating room in a tertiary care hospital. METHODS: Four point-prevalence surveys were conducted in which all inpatients on that day were screened for the use of prophylactic antimicrobials: medical prophylaxis, prophylaxis around non-surgical interventions and surgical prophylaxis given on the ward...
April 21, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28429550/parathyroid-hormone-targets-in-chronic-kidney-disease-and-managing-severe-hyperparathyroidism
#10
Carmel M Hawley, Stephen G Holt
Appropriate targets for parathyroid hormone (PTH) in patients with chronic kidney disease (CKD) stages 3-5D are controversial, as are the means by which these targets might be achieved. Secondary hyperparathyroidism is linked to symptoms like bone pain and itch, in addition to less clinically overt issues like bone fragility as well as vascular and soft tissue calcification which may lead to adverse hard endpoints, particularly fracture and death. Recognized therapies for managing a rising PTH include vitamin D analogues, with or without calcimimetic (where available), in addition to management of serum mineral concentrations with diet, binders and dialysis...
March 2017: Nephrology
https://www.readbyqxmd.com/read/28398925/urgent-chemotherapy-for-life-threatening-complications-related-to-solid-neoplasms
#11
Yoann Zerbib, Antoine Rabbat, Muriel Fartoukh, Naïke Bigé, Claire Andréjak, Julien Mayaux, Nicolas De Prost, Benoît Misset, Virginie Lemiale, Fabrice Bruneel, Julien Maizel, Sylvie Ricome, Frédéric Jacobs, Caroline Bornstain, Hervé Dupont, François Baudin, Elie Azoulay, Frédéric Pène
OBJECTIVES: Solid neoplasms can be directly responsible for organ failures at the time of diagnosis or relapse. The management of such specific complications relies on urgent chemotherapy and eventual instrumental or surgical procedures, combined with advanced life support. We conducted a multicenter study to address the prognosis of this condition. DESIGN: A multicenter retrospective (2001-2015) chart review. SETTING: Medical and respiratory ICUs...
April 10, 2017: Critical Care Medicine
https://www.readbyqxmd.com/read/28370496/role-of-deferred-stenting-in-patients-with-st-elevation-myocardial-infarction-treated-with-primary-percutaneous-coronary-intervention-a-systematic-review-and-meta-analysis
#12
Giovanni Luigi De Maria, Mohammad Alkhalil, Evangelos K Oikonomou, Mathias Wolfrum, Robin P Choudhury, Adrian P Banning
OBJECTIVES: We conducted a meta-analysis of studies comparing deferred stenting strategy versus the conventional approach with immediate stenting in patients with ST elevation myocardial infarction. BACKGROUND: Deferring stent after mechanical flow restoration has been proposed as a strategy to reduce the risk of "no reflow" in patients with STEMI undergoing primary percutaneous coronary intervention (pPCI). Conflicting evidence is available currently, especially after the recent publication of three randomized clinical trials...
March 28, 2017: Journal of Interventional Cardiology
https://www.readbyqxmd.com/read/28366846/the-application-of-new-hard-descriptor-available-from-the-coral-software-to-building-up-noael-models
#13
Alla P Toropova, Andrey A Toropov, Marco Marzo, Sylvia E Escher, Jean Lou Dorne, Nikolaos Georgiadis, Emilio Benfenati
The HARD-index is a line of eleven symbols, which represents the presence, or absence of eight chemical elements (nitrogen, oxygen, sulfur, phosphorus, fluorine, chlorine, bromine, and iodine) and different kinds of chemical bonds (double bond, triple bond, and stereo chemical bond). Optimal molecular descriptors calculated with the Monte Carlo technique (maximization of correlation coefficient between the descriptor and endpoint) gives satisfactory predictive models for no observed adverse effect levels (NOAEL)...
March 30, 2017: Food and Chemical Toxicology
https://www.readbyqxmd.com/read/28357714/the-role-for-cardiovascular-remodeling-in-cardiovascular-outcomes
#14
REVIEW
Nishant Krishna Sekaran, Anna Lisa Crowley, Fernanda Rodrigues de Souza, Elmiro Santos Resende, Sunil V Rao
PURPOSE OF REVIEW: Ischemic and non-ischemic injury to the heart causes deleterious changes in ventricular size, shape, and function. This adverse remodeling is mediated by neurohormonal and hemodynamic alterations and is reflected in non-invasive measures of left ventricular ejection fraction (LVEF), left ventricular end-systolic volume (LVESV), and left ventricular end-diastolic volume (LVEDV). These measures are closely linked to cardiovascular outcomes and have become key surrogate endpoints for evaluating the therapeutic efficacy of contemporary treatments for heart failure with reduced ejection fraction (HFrEF)...
May 2017: Current Atherosclerosis Reports
https://www.readbyqxmd.com/read/28349351/advanced-mri-techniques-in-the-monitoring-of-treatment-of-gliomas
#15
REVIEW
Harpreet Hyare, Steffi Thust, Jeremy Rees
With advances in treatments and survival of patients with glioblastoma (GBM), it has become apparent that conventional imaging sequences have significant limitations both in terms of assessing response to treatment and monitoring disease progression. Both 'pseudoprogression' after chemoradiation for newly diagnosed GBM and 'pseudoresponse' after anti-angiogenesis treatment for relapsed GBM are well-recognised radiological entities. This in turn has led to revision of response criteria away from the standard MacDonald criteria, which depend on the two-dimensional measurement of contrast-enhancing tumour, and which have been the primary measure of radiological response for over three decades...
March 2017: Current Treatment Options in Neurology
https://www.readbyqxmd.com/read/28325520/percutaneous-revascularization-of-coronary-chronic-total-occlusion-toward-a-reappraisal-of-the-available-evidence
#16
REVIEW
Pasi P Karjalainen, Wail Nammas
Chronic total occlusion (CTO) is a challenging subset of coronary artery disease that is commonly encountered in real-world practice; it is associated with worse long-term prognosis. Observational studies suggest that percutaneous coronary intervention (PCI) for CTO is associated with reduction in myocardial ischemia and improvement in quality of life and left ventricular function. Some observational studies suggested that CTO-PCI is associated with improvement of the 'hard' clinical endpoints; others did not...
March 18, 2017: Journal of Cardiology
https://www.readbyqxmd.com/read/28319804/are-diabetes-guidelines-truly-evidence-based
#17
REVIEW
Matthew F Bouchonville, Sara Matani, Jason J DuBroff, Robert J DuBroff
The global epidemic of obesity and diabetes underscores the urgency to develop strategies to prevent cardiovascular (CV) disease in this vulnerable population. Clinical guidelines are intended to help the clinician manage these patients, but guidelines are often discordant among professional organizations and not always evidence based. Clinicians must rely upon the best available evidence, and therefore we critically reviewed the evidence behind the American Diabetes Association (ADA) 2016 guidelines on the prevention of CV disease in diabetes...
March 7, 2017: Diabetes Research and Clinical Practice
https://www.readbyqxmd.com/read/28281183/a-phase-1b-dose-expansion-study-of-the-pan-class-i-pi3k-inhibitor-buparlisib-bkm120-plus-carboplatin-and-paclitaxel-in-pten-deficient-tumors-and-with-dose-intensified-carboplatin-and-paclitaxel
#18
Lillian M Smyth, Kelsey R Monson, Komal Jhaveri, Alexander Drilon, Bob T Li, Wassim Abida, Gopa Iyer, John F Gerecitano, Mrinal Gounder, James J Harding, Martin H Voss, Vicky Makker, Alan L Ho, Pedram Razavi, Alexia Iasonos, Philip Bialer, Mario E Lacouture, Jerrold B Teitcher, Joseph P Erinjeri, Nora Katabi, Matthew G Fury, David M Hyman
Purpose We previously reported the phase I dose escalation study of buparlisib, a pan-class 1A PI3K inhibitor, combined with platinum/taxane-based chemotherapy in patients with advanced solid tumors. The combination was well tolerated and promising preliminary efficacy was observed in PTEN deficient tumors. This phase I dose expansion study now evaluates buparlisib plus high dose carboplatin and paclitaxel in unselected patients with advanced solid tumors and buparlisib plus standard dose carboplatin and paclitaxel in patients with PTEN deficient tumors (ClinicalTrials...
March 9, 2017: Investigational New Drugs
https://www.readbyqxmd.com/read/28230637/mtor-inhibition-and-cardiovascular-diseases-cardiac-hypertrophy
#19
Ernesto Paoletti
Left ventricular hypertrophy (LVH) is highly prevalent in kidney transplant recipients, and is associated with poor clinical outcome. Immunosuppressive agents might affect LVH behavior after kidney transplantation. This review is an appraisal of available data regarding LVH in renal transplantation and especially of studies that evaluated LVH response to treatment. In particular, the role of mammalian target of rapamycin inhibitors adopted as immunosuppressive agents in kidney transplantation is reviewed in the light of recent studies that have shown LVH regression induced by this class of medications in kidney transplant recipients with posttransplant cardiomyopathy...
February 23, 2017: Transplantation
https://www.readbyqxmd.com/read/28214841/drug-dosing-and-estimated-renal-function-any-step-forward-from-effersoe
#20
Mads Hornum, Bo Feldt-Rasmussen
Drug dosing in accordance with the renal function is a long-standing challenge to clinicians. For many years it has been evident that in many clinical situations there is no easy way to correctly dose any drug that is mainly cleared by the kidneys. Despite the development of many formulas for estimating the glomerular filtration rate, they all have serious shortcomings. Much effort has been put in to develop estimation formulas to evaluate the renal function as an alternative to direct methods with the aim of safely dosing drugs that are mainly cleared by the kidneys...
February 18, 2017: Nephron
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