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https://www.readbyqxmd.com/read/29929030/comparative-utility-of-dynamic-and-static-imaging-in-the-management-of-lumbar-spondylolisthesis
#1
Vibhu Krishnan Viswanathan, Jeff Hatef, Sina Aghili, Amy Minnema, H Francis Farhadi
OBJECTIVE: Segmental instability is traditionally investigated with flexion and extension (F/E) X-rays. We sought to determine whether motion between upright and supine (U/S) views can serve as an alternative sensitive diagnostic tool that predicts similar outcomes. METHODS: Ambispective collection of data was performed for 222 consecutive patients that underwent transforaminal lumbar interbody fusion (TLIF). Patients were divided into either Group 1 (≥3 mm spondylolisthesis difference between F/E X-rays) or Group 2 (≥3 mm spondylolisthesis difference between U/S imaging and otherwise not meeting Group 1 criteria)...
June 18, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29927973/non-fasting-lipid-profile-determination-in-presumably-healthy-children-impact-on-the-assessment-of-lipid-abnormalities
#2
Lukasz Szternel, Magdalena Krintus, Katarzyna Bergmann, Tadeusz Derezinski, Grazyna Sypniewska
OBJECTIVE: Despite the common use of non-fasting measurements for lipid profile in children it remains unclear as to the extent non-fasting conditions have on laboratory results of lipids measurements. We aimed to assess the impact of non-fasting lipid profile on the occurrence of dyslipidemia in children. MATERIALS AND METHODS: Basic lipid profile including: total cholesterol (TC), high-density lipoprotein cholesterol (HDL-C), low-density lipoprotein cholesterol (LDL-C) and triglycerides (TG), as well as small, dense-LDL-C (sd-LDL-C), apolipoprotein AI (ApoAI), apolipoprotein B (ApoB) and lipoprotein(a) [Lp(a)], were measured in 289 presumably healthy children aged 9-11 in both fasting and non-fasting condition...
2018: PloS One
https://www.readbyqxmd.com/read/29927731/rats-with-higher-intrinsic-exercise-capacities-exhibit-greater-preoptic-dopamine-levels-and-greater-mechanical-and-thermoregulatory-efficiencies-while-running
#3
Patricia C R Rabelo, Letícia Maria Souza Cordeiro, Nayara Soares Sena Aquino, Bruno B B Fonseca, Cândido Celso Coimbra, Samuel Penna Wanner, Raphael Escorsim Szawka, Danusa Dias Soares
The present study investigated whether intrinsic exercise capacity affects the changes in thermoregulation, metabolism and central dopamine (DA) induced by treadmill running. Male Wistar rats were subjected to three incremental exercises and ranked as low-performance (LP), standard-performance (SP) and high-performance (HP) rats. In the first experiment, abdominal (TABD ) and tail (TTAIL ) temperatures were registered in these rats during submaximal exercise (SE) at 60% of maximal speed. Immediately after SE, rats were euthanized and concentrations of DA and 3,4-dihydroxyphenylacetic acid (DOPAC) were determined in the preoptic area (POA)...
June 21, 2018: Journal of Applied Physiology
https://www.readbyqxmd.com/read/29926099/association-of-lpa-variants-with-risk-of-coronary-disease-and-the-implications-for-lipoprotein-a-lowering-therapies-a-mendelian-randomization-analysis
#4
Stephen Burgess, Brian A Ference, James R Staley, Daniel F Freitag, Amy M Mason, Sune F Nielsen, Peter Willeit, Robin Young, Praveen Surendran, Savita Karthikeyan, Thomas R Bolton, James E Peters, Pia R Kamstrup, Anne Tybjærg-Hansen, Marianne Benn, Anne Langsted, Peter Schnohr, Signe Vedel-Krogh, Camilla J Kobylecki, Ian Ford, Chris Packard, Stella Trompet, J Wouter Jukema, Naveed Sattar, Emanuele Di Angelantonio, Danish Saleheen, Joanna M M Howson, Børge G Nordestgaard, Adam S Butterworth, John Danesh
Importance: Human genetic studies have indicated that plasma lipoprotein(a) (Lp[a]) is causally associated with the risk of coronary heart disease (CHD), but randomized trials of several therapies that reduce Lp(a) levels by 25% to 35% have not provided any evidence that lowering Lp(a) level reduces CHD risk. Objective: To estimate the magnitude of the change in plasma Lp(a) levels needed to have the same evidence of an association with CHD risk as a 38.67-mg/dL (ie, 1-mmol/L) change in low-density lipoprotein cholesterol (LDL-C) level, a change that has been shown to produce a clinically meaningful reduction in the risk of CHD...
June 20, 2018: JAMA Cardiology
https://www.readbyqxmd.com/read/29925999/high-baseline-lipoprotein-a-level-as-a-risk-factor-for-coronary-artery-calcification-progression-sub-analysis-of-a-prospective-multicenter-trial
#5
Jun Ida, Kazuhiko Kotani, Toru Miyoshi, Kazufumi Nakamura, Kunihisa Kohno, Hirohiko Asonuma, Satoru Sakuragi, Masayuki Doi, Takashi Miki, Yasushi Koyama, Hiroshi Ito
Lipoprotein(a), or Lp(a), is a low-density lipoprotein-like particle largely independent of known risk factors for, and predictive of, cardiovascular disease (CVD). We investigated the association between baseline Lp(a) levels and the progression of coronary artery calcification (CAC) in patients with hypercholesterolemia undergoing statin therapy. This study was a sub-analysis of a multicenter prospective study that evaluated the annual progression of CAC under intensive and standard pitavastatin treatment with or without eicosapentaenoic acid in patients with an Agatston score of 1 to 999, and hypercholesterolemia treated with statins...
June 2018: Acta Medica Okayama
https://www.readbyqxmd.com/read/29925393/beneficial-changes-on-plasma-apolipoproteins-a-and-b-high-density-lipoproteins-and-oxidized-low-density-lipoproteins-in-obese-women-after-bariatric-surgery-comparison-between-gastric-bypass-and-sleeve-gastrectomy
#6
J M Gómez-Martin, J A Balsa, E Aracil, M Cuadrado-Ayuso, M Rosillo, G De la Peña, M A Lasunción, H F Escobar-Morreale, J I Botella-Carretero
BACKGROUND: The beneficial effects in lipid profiles after obesity surgery might be associated with the decrease in cardiovascular risk. However, direct comparison between different surgical techniques has not been extensively performed. METHODS: In the present study we compare 20 obese women submitted to laparoscopic Roux en Y gastric bypass (RYGB) with 20 women submitted to sleeve gastrectomy (SG). Twenty control women matched for age and baseline cardiovascular risk were also included...
June 20, 2018: Lipids in Health and Disease
https://www.readbyqxmd.com/read/29924765/increased-expression-of-p16-in-both-oral-and-genital-lichen-planus
#7
K Danielsson, J Olah, R Zohori-Zangeneh, E Nylander, M Ebrahimi
BACKGROUND: Lichen Planus, LP, is an inflammatory disease of possible autoimmune origin affecting mainly oral and genital mucosa and skin. According to the WHO oral LP is considered a potentially malignant disorders. The p16 tumour suppressor protein can act as an inhibitor of cyclin dependent kinases 4 and 6 and thus down regulate cell cycle progression. Since the discovery of p16 several studies have evaluated its expression in various forms of human cancers. The aim of this study was to evaluate and compare the expression of p16 in oral and genital LP and corresponding healthy mucosa...
June 20, 2018: Medicina Oral, Patología Oral y Cirugía Bucal
https://www.readbyqxmd.com/read/29922163/therapeutic-potential-of-enoxaparin-in-lichen-planus-exploring-reasons-for-inconsistent-reports
#8
REVIEW
Rahul P Patel, Madhur D Shastri, Long Chiau Ming, Syed Tabish R Zaidi, Gregory M Peterson
Lichen planus (LP) is an uncommon mucocutaneous inflammatory condition, that is immunologically mediated, typically pruritic and often recurs. The currently advocated therapies are either not highly effective or associated with severe side effects. Enoxaparin, a widely used anticoagulant, is composed of both anticoagulant and non-anticoagulant fragments. Enoxaparin is reported to have anti-inflammatory properties and it was found to be effective in LP. However, the results from clinical studies have varied substantially and, therefore, the clinical role of enoxaparin in LP remains uncertain...
2018: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/29920468/can-nano-sio-2-reduce-the-phytotoxicity-of-acetaminophen-a-physiological-biochemical-and-molecular-approach
#9
Cristiano Soares, Simão Branco-Neves, Alexandra de Sousa, Jorge Teixeira, Ruth Pereira, Fernanda Fidalgo
This study aimed at evaluating the interactive effects of acetaminophen (AC; 400 mg kg-1 ) and silicon dioxide nanomaterial (nano-SiO2 ;3 mg kg-1 ) on soil-grown barley. After 14 days of growth, plant growth, evaluated in terms of fresh and dry weight, was greatly inhibited by AC, independently of being or not co-treated with nano-SiO2 . Plants growing under high levels of AC did not show any increase in malondialdehyde (MDA) nor thiols contents, though levels of superoxide anion (O2 .- ) and hydrogen peroxide (H2 O2 ) were increased in leaves and roots, respectively...
June 12, 2018: Environmental Pollution
https://www.readbyqxmd.com/read/29916250/mechanochemical-degradation-of-denpols-synthesis-and-ultrasound-induced-chain-scission-of-polyphenylene-based-dendronized-polymers
#10
Gregory I Peterson, Ki-Taek Bang, Tae-Lim Choi
New polyphenylene-based dendronized polymers (denpols), exhibiting extended and rigid conformations, were prepared using ring-opening metathesis polymerization (ROMP). Their mechanochemical degradation was explored in ultrasound-induced elongational flow fields. Degradation rate constants were obtained for polyphenylene-based denpols, of varying generation, across a degree of polymerization (DP) range of ca. 100 to 600. In general, it was found that larger side chains led to increased degradation rates and that the rate enhancement was proportional to the natural log of persistence length (Ln(lp)) or the square root of monomer molecular weight (Mmon0...
June 19, 2018: Journal of the American Chemical Society
https://www.readbyqxmd.com/read/29916195/influence-of-polymers-on-the-physical-and-chemical-stability-of-spray-dried-amorphous-solid-dispersion-dipyridamole-degradation-induced-by-enteric-polymers
#11
Tingting Peng, Youjun She, Chune Zhu, Yin Shi, Yao Huang, Boyi Niu, Xuequn Bai, Xin Pan, Chuanbin Wu
Amorphous solid dispersions (ASDs) are inherently unstable because of high internal energy. Evaluating physical and chemical stability during the process and storage is essential. Numerous researches have demonstrated how polymers influence the drug precipitation and physical stability of ASDs, while the influence of polymers on the chemical stability of ASDs is often overlooked. Therefore, this study aimed to investigate the effect of polymers on the physical and chemical stability of spray-dried ASDs using dipyridamole (DP) as a model drug...
June 18, 2018: AAPS PharmSciTech
https://www.readbyqxmd.com/read/29914303/association-between-lp-a-and-small-dense-ldl-in-menopausal-women-without-metabolic-syndrome
#12
Marco Gentile, Gabriella Iannuzzo, Amalia Mattiello, Gennaro Marotta, Fabiana Rubba, Arcangelo Iannuzzi, Salvatore Panico, Paolo Rubba
BACKGROUND: Lipoprotein (a) (Lp [a]) is associated with premature atherosclerosis in menopausal women without metabolic syndrome (MS). MS is the main confounder in the relationship between Lp(a) and atherosclerosis in menopausal women. We have evaluated the relationship between Lp(a) and small dense-low density lipoprotein (sd-LDL) in 228 menopausal women participating to Progetto Atena. METHODS: Lp(a) was measured and LDL particle separation was performed: mean LDL diameter and LDL score (% of sd-LDL) particles calculated...
June 19, 2018: Acta Cardiologica
https://www.readbyqxmd.com/read/29912783/impact-of-serum-lipoprotein-a-on-endothelium-dependent-coronary-vasomotor-response-assessed-by-intracoronary-acetylcholine-provocation
#13
Ahmed Mashaly, Seung-Woon Rha, Byoung G Choi, Man J Baek, Yang G Ryu, Se Y Choi, Jae K Byun, Kareem Abdelshafi, Yoonjee Park, Won Y Jang, Kim Woohyeun, Eun J Park, Jah Yeon Choi, Jin O Na, Cheol U Choi, Hong E Lim, Eung J Kim, Chang G Park, Hong S Seo
BACKGROUND: Lipoprotein(a) [Lp(a)] is an independent risk factor for atherosclerotic vascular disease. However, there are limited data regarding the impact of Lp(a) levels on the incidence and severity of endothelium-dependent coronary vasomotor response. PATIENTS AND METHODS: A total of 2416 patients without significant coronary artery lesion (<50% stenosis) by coronary angiography and underwent acetylcholine (ACh) provocation test were enrolled and categorized according to their serum Lp(a) level into four quartile groups: less than 6...
June 16, 2018: Coronary Artery Disease
https://www.readbyqxmd.com/read/29912724/selection-of-patients-recumbent-position-laterality-according-to-physician-handedness-bias-increases-the-success-rate-of-lumbar-puncture-a-multicenter-study
#14
Jian-Lan Zhao, Yi-Rui Sun, Qiao Shan, Zhi-Peng Xiao, Ben-Chao Hou, Jin Hu
BACKGROUND: Lumbar puncture (LP) is a medical procedure required during spinal anesthesia and for obtaining cerebrospinal fluid samples in the diagnosis of neurological disorders. The aim of this study was to assess the effects of physicians' handedness bias and the laterality of patients' recumbent position on the success rate of LPs. METHODS AND PATIENTS: A prospective multicenter study including 36 physicians (18 left-handed and 18 right-handed) and 7200 patients was conducted in 6 medical centers...
June 15, 2018: Journal of Neurosurgical Anesthesiology
https://www.readbyqxmd.com/read/29912045/liver-perfusate-natural-killer-cells-from-deceased-brain-donors-and-association-with-acute-cellular-rejection-after-liver-transplantation-a-time-to-rejection-analysis
#15
Duilio Pagano, Ester Badami, Pier Giulio Conaldi, Aurelio Seidita, Fabio Tuzzolino, Marco Barbàra, Fabrizio di Francesco, Alessandro Tropea, Rosa Liotta, Gaia Chiarello, Angelo Luca, Salvatore Gruttadauria
BACKGROUND: The ability to predict which recipients will successfully complete their posttransplant clinical course, is crucial for liver transplant (LT) programs. The assessment of natural killer (NK) cell subset determined by flow cytometry from a monocentric series of consecutive liver perfusates (LPs) could help identify risk factors portending adverse LT outcomes. METHODS: LPs were collected during the back-table surgical time after the procurement procedures for donors after brain death (DBDs)...
June 13, 2018: Transplantation
https://www.readbyqxmd.com/read/29910489/does-the-phase-of-the-menstrual-cycle-really-matter-to-anaesthesia
#16
Madhuri S Kurdi, Ashwini H Ramaswamy
The menstrual cycle is a physiological phenomenon that is accompanied by several hormonal fluctuations involving oestrogen and progesterone. Oestrogen and progesterone exert several physiological effects. There are many questions pertaining to the influence of the physiology of menstruation on anaesthesia. We attempted to find out whether the phase of the menstrual cycle can alter the physiological functions during anaesthesia, the perioperative management and outcomes. We performed a literature search in Google Scholar, PubMed and Cochrane databases for original and reviewed articles on the phases of the menstrual cycle and their relation to anaesthesia-related physiological parameters to find an answer to these questions...
May 2018: Indian Journal of Anaesthesia
https://www.readbyqxmd.com/read/29909963/comprehensive-cancer-predisposition-gene-testing-in-an-adult-multiple-primary-tumor-series-shows-a-broad-range-of-deleterious-variants-and-atypical-tumor-phenotypes
#17
James Whitworth, Philip S Smith, Jose-Ezequiel Martin, Hannah West, Andrea Luchetti, Faye Rodger, Graeme Clark, Keren Carss, Jonathan Stephens, Kathleen Stirrups, Chris Penkett, Rutendo Mapeta, Sofie Ashford, Karyn Megy, Hassan Shakeel, Munaza Ahmed, Julian Adlard, Julian Barwell, Carole Brewer, Ruth T Casey, Ruth Armstrong, Trevor Cole, Dafydd Gareth Evans, Florentia Fostira, Lynn Greenhalgh, Helen Hanson, Alex Henderson, Jonathan Hoffman, Louise Izatt, Ajith Kumar, Ava Kwong, Fiona Lalloo, Kai Ren Ong, Joan Paterson, Soo-Mi Park, Rakefet Chen-Shtoyerman, Claire Searle, Lucy Side, Anne-Bine Skytte, Katie Snape, Emma R Woodward, Marc D Tischkowitz, Eamonn R Maher
Multiple primary tumors (MPTs) affect a substantial proportion of cancer survivors and can result from various causes, including inherited predisposition. Currently, germline genetic testing of MPT-affected individuals for variants in cancer-predisposition genes (CPGs) is mostly targeted by tumor type. We ascertained pre-assessed MPT individuals (with at least two primary tumors by age 60 years or at least three by 70 years) from genetics centers and performed whole-genome sequencing (WGS) on 460 individuals from 440 families...
June 12, 2018: American Journal of Human Genetics
https://www.readbyqxmd.com/read/29907670/the-lectin-pathway-of-complement-activation-in-patients-with-systemic-lupus-erythematosus
#18
Anne Troldborg, Steffen Thiel, Marten Trendelenburg, Justa Friebus-Kardash, Josephine Nehring, Rudi Steffensen, Søren Werner Karlskov Hansen, Magdalena Janina Laska, Bent Deleuran, Jens Christian Jensenius, Anne Voss, Kristian Stengaard-Pedersen
OBJECTIVE: The pathogenesis of systemic lupus erythematosus (SLE) involves complement activation. Activation of complement through the classical pathway (CP) is well established. However, complement activation through pattern recognition not only happens through the CP, but also through the lectin pathway (LP). We investigated the hypothesis that the LP is activated in SLE and involved in the pathogenesis of the disease. METHODS: Using immunoassays developed in-house, we measured concentrations of LP proteins in a cohort of 372 patients with SLE and 170 controls...
June 15, 2018: Journal of Rheumatology
https://www.readbyqxmd.com/read/29904374/alpha-ketoglutarate-in-low-protein-diets-for-growing-pigs-effects-on-cecal-microbial-communities-and-parameters-of-microbial-metabolism
#19
Jiashun Chen, Baoju Kang, Qian Jiang, Mengmeng Han, Yurong Zhao, Lina Long, Chenxing Fu, Kang Yao
Alpha-ketoglutarate (AKG), a critical molecule in the tricarboxylic acid cycle, is beneficial to intestinal functions. However, its influence on intestinal microbiota and metabolism is not fully understood. We investigated the effects of a low-protein (LP) diet supplemented with AKG on cecal microbial communities and the parameters of microbial metabolism in growing pigs. Twenty-seven young pigs (Large White × Landrace) with an average initial body weight of 11.96 ± 0.18 kg were randomly allotted into three groups ( n = 9): a normal protein (NP) diet containing 20% crude protein (CP); LP diet formulated with 17% CP (LP diet); or LP diet supplemented with 10 g kg-1 of AKG (ALP diet)...
2018: Frontiers in Microbiology
https://www.readbyqxmd.com/read/29902012/tumor-targeted-nanoparticles-deliver-a-vitamin-d-based-drug-payload-for-treatment-of-egfr-tyrosine-kinase-inhibitor-resistant-lung-cancer
#20
Chang Liu, Tatiana Shaurova, Suzanne Shoemaker, Martin Petkovich, Pamela A Hershberger, Yun Wu
Mutation in the tyrosine kinase (TK) domain of the epidermal growth factor receptor (EGFR) gene drives the development of lung cancer. EGFR tyrosine kinase inhibitors (EGFR TKI) including erlotinib and afatinib are initially effective in treating EGFR mutant non-small cell lung cancer (NSCLC). However, drug resistance quickly develops due to several mechanisms, including induction of the epithelial-mesenchymal transition (EMT). No effective therapies are currently available for patients who develop EMT-associated EGFR TKI resistance...
June 14, 2018: Molecular Pharmaceutics
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