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https://www.readbyqxmd.com/read/28647935/evaluation-of-patients-with-acute-chest-pain-using-spect-myocardial-perfusion-imaging-prognostic-implications-of-mildly-abnormal-scans
#1
Ronen Goldkorn, Alexey Naimushin, Roy Beigel, Ekaterina Naimushin, Michael Narodetski, Shlomi Matetzky
BACKGROUND: While patients presenting to emergency departments (ER) with chest pain are increasingly managed in chest pain units (CPU) that utilize accelerated diagnostic protocols for risk stratification, such as single-photon emission computed tomography (SPECT) myocardial perfusion imaging (MPI), data are lacking regarding the prognostic implications of mildly abnormal scans in this population. OBJECTIVES: To evaluate the prognostic implications of mildly abnormal SPECT MPI results in patients with acute chest pain...
June 2017: Israel Medical Association Journal: IMAJ
https://www.readbyqxmd.com/read/28647606/role-of-streptomyces-pactum-in-phytoremediation-of-trace-elements-by-brassica-juncea-in-mine-polluted-soils
#2
Amjad Ali, Di Guo, Amanullah Mahar, Zhen Wang, Dost Muhammad, Ronghua Li, Ping Wang, Feng Shen, Quanhong Xue, Zengqiang Zhang
The industrial expansion, smelting, mining and agricultural practices have increased the release of toxic trace elements (TEs) in the environment and threaten living organisms. The microbe-assisted phytoremediation is environmentally safe and provide an effective approach to remediate TEs contaminated soils. A pot experiment was conducted to test the potential of an Actinomycete, subspecies Streptomyces pactum (Act12) along with medical stone compost (MSC) by growing Brassica juncea in smelter and mines polluted soils of Feng County (FC) and Tongguan (TG, China), respectively...
June 22, 2017: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/28647501/driving-simulators-in-the-clinical-assessment-of-fitness-to-drive-in-sleepy-individuals-a-systematic-review
#3
REVIEW
David R Schreier, Christina Banks, Johannes Mathis
Road traffic injuries are projected to be the leading cause of death for those aged between 15 and 29 years by the year 2030, and sleepiness is estimated to be the underlying cause in up to 15-20% of all motor vehicle accidents. Sleepiness at the wheel is most often caused by socially induced sleep deprivation or poor sleep hygiene in otherwise healthy individuals, medical disorders, or the intake of drugs. Validated methods for objectifying sleepiness are urgently sought, particularly in the context of driving...
May 4, 2017: Sleep Medicine Reviews
https://www.readbyqxmd.com/read/28647217/recognition-and-management-of-hemostatic-disorders-in-critically-ill-patients-needing-to-undergo-an-invasive-procedure
#4
REVIEW
Marcella C A Müller, Simon J Stanworth, Michiel Coppens, Nicole P Juffermans
Abnormal laboratory coagulation test results are frequently documented in critically ill patients, and these patients often also need to undergo invasive procedures. Clinicians have an understandable desire to minimize any perceived heightened risk of bleeding complications in those patients who require invasive procedures. In this setting, prophylactic administration of platelets or plasma is commonplace. This review explores the nature of these sequential statements and the degree to which these statements are supported by evidence...
June 15, 2017: Transfusion Medicine Reviews
https://www.readbyqxmd.com/read/28647110/success-of-tardive-electroconvulsive-therapy-sessions-after-loxapine-induced-malignant-syndrome-in-the-context-of-very-poor-metabolisation
#5
Juliette Descoeur, Laurent Philibert, Kevin Chalard, Jérôme Attal, Pierre Petit, Kada Klouche, Mathieu Olivier
We report the success of tardive electroconvulsive therapy in a case of loxapine malignant syndrome with catatonia. Loxapine and its metabolites were measured in biological samples by liquid chromatography coupled to tandem mass spectrometry. Genes were studied by sequencing and quantitative polymerase chain reaction (PCR). Plasmatic drug concentrations showed a supratherapeutic concentration of loxapine with a very low 8-hydroxyloxapine/loxapine ratio (range from 0.32 to 0.66, normal value>2 for 100mg) and a very long elimination half-life of loxapine (half-life>140h, normal value from 1 to 4hours)...
May 29, 2017: Thérapie
https://www.readbyqxmd.com/read/28646813/hepatoprotective-activity-of-satwa-an-ayurvedic-formulation-against-alcohol-induced-liver-injury-in-rats
#6
Tejaswi Chavan, Abhijit Ghadge, Manjiri Karandikar, Vijaya Pandit, Prabhakar Ranjekar, Omkar Kulkarni, Aniket Kuvalekar, Nitin Mantri
Context • Guduchi Satwa is an Ayurvedic formulation prepared from Tinospora species. It has been used since ancient times to treat liver disorders. Objectives • The study intended to assess the hepatoprotective potential of Satwa prepared from 3 forms of Tinospora against alcohol-induced hepatotoxicity. Design • Male, albino Wistar rats were divided into 6 groups, with 6 rats each: 3 control groups-healthy controls, negative controls, and positive controls-and 3 intervention groups-Tinospora cordifolia, Tinospora sinensis, and Neem-Guduchi...
July 2017: Alternative Therapies in Health and Medicine
https://www.readbyqxmd.com/read/28646437/cytotoxic-and-genotoxic-effects-of-silver-nanoparticle-carboxymethyl-cellulose-on-allium-cepa
#7
Aline A Becaro, Maria Célia Siqueira, Fernanda C Puti, Marcia Regina de Moura, Daniel S Correa, José Manoel Marconcini, Luiz H C Mattoso, Marcos David Ferreira
Several mutagenic agents may be present in substances released in the environment, which may cause serious environmental impacts. Among these substances, there is a special concern regarding the widespread use of silver nanoparticles (AgNP) in several products due to their widely known bactericidal properties, including in the medical field and the food industry (e.g., active packaging). The assessment of the effects of AgNP released in the environment, having different concentrations, sizes, and being associated or not to other types of materials, including polymers, is therefore essential...
July 2017: Environmental Monitoring and Assessment
https://www.readbyqxmd.com/read/28646336/nogo-a-antibodies-enhance-axonal-repair-and-remyelination-in-neuro-inflammatory-and-demyelinating-pathology
#8
Benjamin V Ineichen, Sandra Kapitza, Christiane Bleul, Nicolas Good, Patricia S Plattner, Maryam S Seyedsadr, Julia Kaiser, Marc P Schneider, Björn Zörner, Roland Martin, Michael Linnebank, Martin E Schwab
Two hallmarks of chronic multiple sclerosis lesions are the absence of significant spontaneous remyelination and primary as well as secondary neurodegeneration. Both characteristics may be influenced by the presence of inhibitory factors preventing myelin and neuronal repair. We investigated the potential of antibodies against Nogo-A, a well-known inhibitory protein for neuronal growth and plasticity, to enhance neuronal regeneration and remyelination in two animal models of multiple sclerosis. We induced a targeted experimental autoimmune encephalomyelitis (EAE) lesion in the dorsal funiculus of the cervical spinal cord of adult rats resulting in a large drop of skilled forelimb motor functions...
June 23, 2017: Acta Neuropathologica
https://www.readbyqxmd.com/read/28646191/prednisolone-induces-apoptosis-in-corneal-epithelial-cells-through-the-intrinsic-pathway
#9
Jin Suk Ryu, Jung Hwa Ko, Mee Kum Kim, Won Ryang Wee, Joo Youn Oh
Glucocorticoid eye drops are one of the most widely used medications in ophthalmology. However, little is known about the effects of glucocorticoids on corneal epithelial cells that are directly exposed to topically-administered glucocorticoids. Here we investigated the effects of prednisolone, a synthetic glucocorticoid analogue frequently used in the clinic, on corneal epithelial cells. Results showed that prednisolone decreased survival of corneal epithelial cells by inhibiting proliferation and inducing apoptosis in a dose-dependent manner...
June 23, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28645281/sex-difference-in-the-risk-for-exercise-induced-albuminuria-correlates-with-hemoglobin-a1c-and-abnormal-exercise-ecg-test-findings
#10
Rafael Y Brzezinski, Inbal Etz-Hadar, Ayelet Grupper, Michal Ehrenwald, Itzhak Shapira, David Zeltser, Shlomo Berliner, Ori Rogowski, Roy Eldor, Shani Shenhar-Tsarfaty
BACKGROUND: Albuminuria is an established marker for endothelial dysfunction and cardiovascular risk in diabetes and prediabetes. Exercise induced albuminuria (EiA) appears earlier and may be a more sensitive biomarker for renal endothelial damage. We sought to examine the association between EiA, parameters of the metabolic syndrome, A1C levels, exercise ECG test results and sex related differences in a large cohort of healthy, pre-diabetic and diabetic subjects. METHODS: A total of 3029 participants from the Tel-Aviv Medical Center Inflammation Survey cohort (mean age 46 years, 73% men) were analyzed...
June 23, 2017: Cardiovascular Diabetology
https://www.readbyqxmd.com/read/28645274/buccal-mucosa-micronuclei-counts-in-relation-to-exposure-to-low-dose-rate-radiation-from-the-chornobyl-nuclear-accident-and-other-medical-and-occupational-radiation-exposures
#11
D Bazyka, S C Finch, I M Ilienko, O Lyaskivska, I Dyagil, N Trotsiuk, N Gudzenko, V V Chumak, K M Walsh, J Wiemels, M P Little, L B Zablotska
BACKGROUND: Ionizing radiation is a well-known carcinogen. Chromosome aberrations, and in particular micronuclei represent an early biological predictor of cancer risk. There are well-documented associations of micronuclei with ionizing radiation dose in some radiation-exposed groups, although not all. That associations are not seen in all radiation-exposed groups may be because cells with micronuclei will not generally pass through mitosis, so that radiation-induced micronuclei decay, generally within a few years after exposure...
June 23, 2017: Environmental Health: a Global Access Science Source
https://www.readbyqxmd.com/read/28645199/do-neurobiological-understandings-of-smoking-influence-quitting-self-efficacy-or-treatment-intentions
#12
Kylie Morphett, Adrian Carter, Wayne Hall, Jayne Lucke, Brad Partridge, Coral Gartner
Introduction: Addiction is increasingly defined as a "brain disease" caused by changes to neurochemistry. While nicotine addiction has historically been excluded in the brain disease model of addiction (BDMA), it is beginning to be labelled a chronic brain disease. We investigated whether Australian smokers endorse brain-based explanations of smoking, and whether these beliefs are associated with quitting self-efficacy or treatment intentions. Method: Cross-sectional study of Australian smokers (N=1,538) who completed a survey measuring their agreement with statements on the brain's role in smoking...
June 22, 2017: Nicotine & Tobacco Research: Official Journal of the Society for Research on Nicotine and Tobacco
https://www.readbyqxmd.com/read/28645182/stereotactic-radiosurgery-for-brainstem-arteriovenous-malformations-a-multicenter-study
#13
Or Cohen-Inbar, Robert M Starke, Cheng-Chia Lee, Hideyuki Kano, Paul Huang, Douglas Kondziolka, Inga S Grills, Danilo Silva, Mohmoud Abbassy, Symeon Missios, Gene H Barnett, L Dade Lunsford, Jason P Sheehan
BACKGROUND: The management of brainstem arteriovenous malformations (bAVMs) is a formidable challenge. bAVMs harbor higher morbidity and mortality compared to other locations. OBJECTIVE: To review the outcomes following stereotactic radiosurgery (SRS) of bAVMs in a multicenter study. METHODS: Six medical centers contributed data from 205 patients through the International Gamma Knife Research Foundation. Median age was 32 yr (6-81). Median nidus volume was 1...
June 21, 2017: Neurosurgery
https://www.readbyqxmd.com/read/28645083/graphene-oxide-nanosheets-induce-dna-damage-and-activate-the-base-excision-repair-ber-signaling-pathway-both-in%C3%A2-vitro-and-in%C3%A2-vivo
#14
Chun-Jiao Lu, Xue-Feng Jiang, Muhammad Junaid, Yan-Bo Ma, Pan-Pan Jia, Hua-Bin Wang, De-Sheng Pei
Graphene oxide (GO) has widespread concerns in the fields of biological sciences and medical applications. Currently, studies have reported that excessive GO exposure can cause cellular DNA damage through reactive oxygen species (ROS) generation. However, DNA damage mediated response of the base excision repair (BER) pathway due to GO exposure is not elucidated yet. Therefore, we exposed HEK293T cells and zebrafish embryos to different concentrations of GO for 24 h, and transcriptional profiles of BER pathway genes, DNA damage, and cell viability were analyzed both in vitro and in vivo...
June 14, 2017: Chemosphere
https://www.readbyqxmd.com/read/28644012/sigma-2-receptor-tmem97-agonists-produce-long-lasting-anti-neuropathic-pain-effects-in-mice
#15
James J Sahn, Galo L Mejia, Pradipta R Ray, Stephen F Martin, Theodore John Price
Neuropathic pain is an important medical problem with few effective treatments. The sigma 1 receptor (σ1R) is a potential target for neuropathic pain therapeutics, and antagonists for this receptor are effective in preclinical models and are currently in phase II clinical trials. Relatively little is known about the σ2R, which has recently been identified as transmembrane protein 97 (Tmem97). We generated a series of σ1R and σ2R/Tmem97 agonists and antagonists and tested them for efficacy in the mouse spared nerve injury (SNI) model...
June 23, 2017: ACS Chemical Neuroscience
https://www.readbyqxmd.com/read/28643377/randomized-feasibility-trial-to-improve-hydroxyurea-adherence-in-youth-ages-10-18-years-through-community-health-workers-the-habit-study
#16
Nancy S Green, Deepa Manwani, Sergio Matos, April Hicks, Luisa Soto, Yina Castillo, Karen Ireland, Yvonne Stennett, Sally Findley, Haomiao Jia, Arlene Smaldone
INTRODUCTION: The main therapeutic intervention for sickle cell disease (SCD) is hydroxyurea (HU). The effect of HU is largely through dose-dependent induction of fetal hemoglobin (HbF). Poor HU adherence is common among adolescents. METHODS: Our 6-month, two-site pilot intervention trial, "HABIT," was led by culturally aligned community health workers (CHWs). CHWs performed support primarily through home visits, augmented by tailored text message reminders. Dyads of youth with SCD ages 10-18 years and a parent were enrolled...
June 23, 2017: Pediatric Blood & Cancer
https://www.readbyqxmd.com/read/28643307/-application-of-magnetic-resonance-in-non-operative-treatment-strategy-for-rectal-cancer
#17
Yi Wang, Gong Chen
The primary curative modality for localized rectal cancer is total mesorectal excision (TME). Local control rate of rectal cancer has been improved after neoadjuvant chemoradiotherapy and even pathological complete response (pCR) has been demonstrated in a significant minority. Patients who achieve pCR to neoadjuvant chemoradiotherapy have an excellent prognosis compared with those without pCR. If the patients with complete response to neoadjuvant chemoradiation can be demonstrated by clinical findings and medical imaging (cCR), a non-operative management (NOM) strategy may be pursued to preserve sphincter function and avoid complications induced by TME, which is a new tendency in the treatment of rectal cancer in recent years...
June 25, 2017: Zhonghua Wei Chang Wai Ke za Zhi, Chinese Journal of Gastrointestinal Surgery
https://www.readbyqxmd.com/read/28643285/skin-manifestations-of-inflammatory-bowel-disease
#18
REVIEW
Thomas Greuter, Alexander Navarini, Stephan R Vavricka
Inflammatory bowel disease (IBD) with its two main subtypes Crohn's disease and ulcerative colitis is not restricted to the gastrointestinal tract. Indeed, so-called extraintestinal manifestations (EIMs) are frequent and considerably affect morbidity and mortality. The prevalence of EIMs ranges from 6 to 47%. In up to one quarter of the patients, EIMs can present even before an IBD diagnosis is established. The pathophysiology of EIMs remains elusive, although data from clinical trials demonstrating anti-tumor necrosis factor (TNF) efficacy suggest a common pathogenic link between intestinal and extraintestinal disease activity...
June 23, 2017: Clinical Reviews in Allergy & Immunology
https://www.readbyqxmd.com/read/28643266/adherence-to-osteoporosis-medicines-in-estonia-a-comprehensive-15-year-retrospective-prescriptions-database-study
#19
Ott Laius, Heti Pisarev, Katre Maasalu, Sulev Kõks, Aare Märtson
Some patients do not take medicines as they are supposed to. Our research showed that in Estonia, one fifth of patients did not start treatment with osteoporosis medicines and only 20% used the medicines for at least 3 years as they should. This induces unnecessary costs to the healthcare system. PURPOSE: Medication non-adherence is the number one reason for not obtaining the expected clinical effect of medicines. With osteoporosis treatment, it has been shown that both implementation of treatment and persistence influence the risk of fractures significantly...
December 2017: Archives of Osteoporosis
https://www.readbyqxmd.com/read/28643183/dopaminergic-therapies-for-non-motor-symptoms-in-parkinson-s-disease
#20
REVIEW
Eva Schaeffer, Daniela Berg
Apart from the typical motor symptoms, Parkinson's disease is characterized by a wide range of different non-motor symptoms, which are highly prevalent in all stages of the disease and have an incisive influence on quality of life. Moreover, their treatment continues to be challenging. In this review, we critically summarize the evidence for the impact of dopaminergic therapies on non-motor symptoms in Parkinson's disease. We performed a PubMed search to identify relevant clinical studies that investigated the response of non-motor symptoms to dopaminergic therapy...
June 22, 2017: CNS Drugs
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