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https://www.readbyqxmd.com/read/29218617/evaluation-of-an-adaptive-detector-collimation-for-prospectively-ecg-triggered-coronary-ct-angiography-with-third-generation-dual-source-ct
#1
Michael Messerli, Patricia Dewes, Jan-Erik Scholtz, Christophe Arendt, Simon Wildermuth, Thomas J Vogl, Ralf W Bauer
OBJECTIVES: To investigate the impact of an adaptive detector collimation on the dose parameters and accurateness of scan length adaption at prospectively ECG-triggered sequential cardiac CT with a wide-detector third-generation dual-source CT. METHODS: Ideal scan lengths for human hearts were retrospectively derived from 103 triple-rule-out examinations. These measures were entered into the new scanner operated in prospectively ECG-triggered sequential cardiac scan mode with three different detector settings: (1) adaptive collimation, (2) fixed 64 × 0...
December 7, 2017: European Radiology
https://www.readbyqxmd.com/read/29216710/a-novel-prognostic-nomogram-for-predicting-risks-of-distant-failure-in-patients-with-invasive-breast-cancer-following-postoperative-adjuvant-radiotherapy
#2
Yu Jin Lim, Sea-Won Lee, Noorie Choi, Jeanny Kwon, Keun-Yong Eom, Eunyoung Kang, Eun-Kyu Kim, Jee Hyun Kim, Yu Jung Kim, Se Hyun Kim, So Yeon Park, In Ah Kim
Purpose: This study aimed to identify predictors for distant metastatic behavior and build a related prognostic nomogram in breast cancer. Materials and Methods: A total of 1,181 patients with non-metastatic breast cancer between 2003 and 2011 were analyzed. To predict the probability of distant metastasis, a nomogram was constructed based on prognostic factors identified using a Cox proportional hazards model. Results: The 7-year overall survival and 5-year post-progression survival of locoregional vs...
December 7, 2017: Cancer Research and Treatment: Official Journal of Korean Cancer Association
https://www.readbyqxmd.com/read/29216346/darunavir-ritonavir-monotherapy-at-a-low-dose-600-100%C3%A2-mg-day-in-hiv-1-infected-individuals-with-suppressed-hiv-viraemia
#3
S Seang, L Schneider, T Nguyen, M P Lê, C Soulie, R Calin, F Caby, M-A Valantin, R Tubiana, L Assoumou, A-G Marcelin, G Peytavin, C Katlama
Background: Darunavir/ritonavir is a potent PI with a high genetic barrier and pharmacological robustness favourably investigated as monotherapy. Whether darunavir could be dose reduced in the context of monotherapy deserves investigation. Methods: Patients with HIV suppressed viraemia (plasma viral load <50 copies/mL for 12 months) under ART who had switched to darunavir/ritonavir monotherapy at 600/100 mg/day between 2013 and 2015 were included in this observational 48 week single-centre study...
December 5, 2017: Journal of Antimicrobial Chemotherapy
https://www.readbyqxmd.com/read/29215657/-the-patient-and-the-crossing-between-primary-and-hospital-care-systematic-review-of-trials-for-the-implementation-of-tools-for-integration-in-spain
#4
REVIEW
L Corral Gudino, M Borao Cengotita-Bengoa, R J Jorge Sánchez, J García Aparicio
BACKGROUND: Health services are moving towards a complete integration to try and reduce fragmentation, increase efficiencies and improve health outcomes. Estimates the effectiveness in of different tools for integrated care in Spain. METHODS: We performed a systematic review of articles using MEDLINE (last search July31st, 2017). Randomized clinical trials reporting health outcomes of tools for integrated care used in Spain were included. Studies were appraised for quality using the Cochrane Risk of Bias assessment...
December 7, 2017: Anales del Sistema Sanitario de Navarra
https://www.readbyqxmd.com/read/29214215/genomic-and-transcriptomic-heterogeneity-in-metaplastic-carcinomas-of-the-breast
#5
Salvatore Piscuoglio, Charlotte K Y Ng, Felipe C Geyer, Kathleen A Burke, Catherine F Cowell, Luciano G Martelotto, Rachael Natrajan, Tatiana Popova, Christopher A Maher, Raymond S Lim, Ino de Bruijn, Odette Mariani, Larry Norton, Anne Vincent-Salomon, Britta Weigelt, Jorge S Reis-Filho
Metaplastic breast cancer (MBC) is a rare special histologic type of triple-negative breast cancer, characterized by the presence of neoplastic cells showing differentiation towards squamous epithelium and/or mesenchymal elements. Here we sought to define whether histologically distinct subgroups of MBCs would be underpinned by distinct genomic and/or transcriptomic alterations. Microarray-based copy number profiling identified limited but significant differences between the distinct MBC subtypes studied here, despite the limited sample size (n = 17)...
2017: NPJ Breast Cancer
https://www.readbyqxmd.com/read/29210990/grain-refinement-kinetics-in-a-low-alloyed-cu-cr-zr-alloy-subjected-to-large-strain-deformation
#6
Anna Morozova, Elijah Borodin, Vladimir Bratov, Sergey Zherebtsov, Andrey Belyakov, Rustam Kaibyshev
This paper investigates the microstructural evolution and grain refinement kinetics of a solution-treated Cu-0.1Cr-0.06Zr alloy during equal channel angular pressing (ECAP) at a temperature of 673 K via route BC. The microstructural change during plastic deformation was accompanied by the formation of the microband and an increase in the misorientations of strain-induced subboundaries. We argue that continuous dynamic recrystallization refined the initially coarse grains, and discuss the dynamic recrystallization kinetics in terms of grain/subgrain boundary triple junction evolution...
December 6, 2017: Materials
https://www.readbyqxmd.com/read/29209201/do-lifestyle-activities-protect-against-cognitive-decline-in-aging-a-review
#7
Gregory J Christie, Tara Hamilton, Bradley D Manor, Norman A S Farb, Faranak Farzan, Andrew Sixsmith, Jean-Jacques Temprado, Sylvain Moreno
The number of patients suffering from dementia is expected to more than triple by the year 2040, and this represents a major challenge to publicly-funded healthcare systems throughout the world. One of the most effective prevention mechanisms against dementia lies in increasing brain- and cognitive-reserve capacity, which has been found to reduce the behavioral severity of dementia symptoms as neurological degeneration progresses. To date though, most of the factors known to enhance this reserve stem from largely immutable history factors, such as level of education and occupational attainment...
2017: Frontiers in Aging Neuroscience
https://www.readbyqxmd.com/read/29206714/expression-of-ghrh-r-a-potentially-targetable-biomarker-in-triple-negative-breast-cancer
#8
Mahsa Khanlari, Andrew V Schally, Norman L Block, Mehrdad Nadji
PURPOSE: Growth hormone-releasing hormone (GHRH) has been shown to modify the growth behavior of many cancers, including breast. GHRH is produced by tumor cells, acts in an autocrine/paracrine manner, and requires the presence of GHRH receptor (GHRH-R) on the tumor cells to exert its effects. GHRH activity can be effectively blocked by synthetic antagonists of its receptor and hence, the expression of GHRH-R by tumor cells could serve as a predictor of response to GHRH-R antagonist therapy...
January 2018: Applied Immunohistochemistry & Molecular Morphology: AIMM
https://www.readbyqxmd.com/read/29204229/assessment-of-primary-health-care-in-the-treatment-of-tuberculosis-in-a-brazilian-locality-of-the-international-triple-frontier
#9
Reinaldo Antonio Silva-Sobrinho, Anneliese Domingues Wysocki, Lúcia Marina Scatena, Erika Simone Galvão Pinto, Aline Ale Beraldo, Rubia Laine Paula Andrade, Adriana Zilly, Rosane Meire Munhak da Silva, Michela Prestes Gomes, Paulo César Morales Mayer, Antonio Ruffino-Netto, Tereza Cristina Scatena Villa
Objective: To evaluate the performance of Primary Health Care (PHC) in treatment of TB patients in a triple international border municipality. Methods: The present study was an evaluative survey of cross-sectional and quantitative approach conducted with 225 PHC healthcare professionals. Data was collected through a structured and validated instrument, which provided five indicators of "structure" and four indicators of "process" classified as unsatisfactory, regular or satisfactory...
2017: Open Nursing Journal
https://www.readbyqxmd.com/read/29203981/triple-test-a-predictor-of-anastomotic-integrity-in-patients-undergoing-low-anterior-resection-after-neoadjuvant-chemoradiotherapy
#10
Madhu Muralee, Nithish R Acharya, Wagh Mira Sudham, Arun Peter Mathew, Kurian Cherian, K Chandramohan, Paul Augustine, M Iqbal Ahamed
Anastomotic leak after low anterior resection for rectal cancer is a dreaded complication. Diversion stoma helps tiding over this crisis and it is routinely practised in most centres, especially in post chemoradiotherapy setting. But a diversion stoma has got its own problems. In this study, we attempt to use the triple test as a predictor of anastomotic integrity and thereby avoid a diverting stoma, and patients undergoing low anterior resection after neoadjuvant chemoradiotherapy were spared the trouble of a diverting stoma if the on table triple test was negative...
December 2017: Indian Journal of Surgical Oncology
https://www.readbyqxmd.com/read/29203461/identifying-and-targeting-sporadic-oncogenic-genetic-aberrations-in-mouse-models-of-triple-negative-breast-cancer
#11
Hui Liu, Charles J Murphy, Florian A Karreth, Kristina B Emdal, Forest M White, Olivier Elemento, Alex Toker, Gerburg M Wulf, Lewis C Cantley
Triple negative breast cancers (TNBC) are genetically characterized by aberrations in TP53 and a low rate of activating point mutations in common oncogenes, rendering it challenging in applying targeted therapies. We performed whole exome sequencing (WES) and RNAseq to identify somatic genetic alterations in mouse models of TNBCs driven by loss of Trp53 alone or in combination with Brca1. Amplifications or translocations that resulted in elevated oncoprotein expressions or oncoprotein-containing fusions, respectively, as well as frame-shift mutations of tumor suppressors were identified in approximately 50% of the tumors evaluated...
December 4, 2017: Cancer Discovery
https://www.readbyqxmd.com/read/29200825/efficacy-and-safety-of-quadruple-therapy-including-tirofiban-in-the-treatment-of-chinese-nste-acs-patients-failing-to-receive-timely-percutaneous-coronary-intervention
#12
Lan Li, Zhenrong Ge, Dengke Zhang, Jun Kuang, Xiang Ma, Shubin Jiang
Background: Although it has been shown to be superior to simple antithrombotic drug therapy, most patients are unable to receive timely percutaneous coronary intervention (PCI) and are treated with conventional triple antithrombotic therapy (aspirin, clopidogrel, low-molecular-weight heparin). Here, we evaluate the efficacy and safety of adding low-dose tirofiban to this regimen. Methods: A total of 1,783 patient records (unable to receive PCI) indicating non-ST-segment elevation acute coronary syndrome (NSTE-ACS) were included...
2017: Drug Design, Development and Therapy
https://www.readbyqxmd.com/read/29200221/highly-sensitive-and-selective-detection-of-pd2-ions-using-a-ferrocene-rhodamine-conjugate-triple-channel-receptor-in-aqueous-medium-and-living-cells
#13
Dan-Dan Huang, Mei Zhao, Xue-Xin Lv, Yang-Yang Xing, De-Zhan Chen, Dian-Shun Guo
Herein, a novel ferrocene-rhodamine receptor conjugated with an allylimine bridge was facilely synthesized. This triple channel receptor can selectively and sensitively monitor Pd2+ ions through chromogenic, fluorogenic and electrochemical assays in aqueous medium with a low detection limit (8.46 × 10-9 M) and a fast response (<8 min). It can be applied as a fluorescent probe for effective survey of Pd2+ ions in living cells. Moreover, a plausible recognition mode was proposed and rationalized by theoretical calculations...
December 4, 2017: Analyst
https://www.readbyqxmd.com/read/29195005/synthetic-indolactam-v-analogs-as-inhibitors-of-par2-induced-calcium-mobilization-in-triple-negative-breast-cancer-cells
#14
Jan Stein, Sonja Stahn, Jörg-Martin Neudörfl, Julia Sperlich, Hans-Günther Schmalz, Nicole Teusch
Human proteinase-activated receptor 2 (PAR2), a transmembrane G-Protein-coupled receptor (GPCR), represents an attractive target for a novel anti-cancer therapy as it plays a critical role in cell migration and invasion. Thus, selective PAR2 inhibitors possess a potential as anti-metastatic drugs. Knowing that the natural product teleocidin A2 is able to inhibit PAR2 in tumor cells, the goal of the present study was to elaborate structure-activity relationships and to identify potent PAR2 inhibitors with lower activity against the adverse target protein kinase C (PKC)...
December 1, 2017: ChemMedChem
https://www.readbyqxmd.com/read/29193094/expression-of-programmed-death-1-in-sentinel-lymph-nodes-of-breast-cancer
#15
Takashi Tatara, Toru Mukohara, Yohei Shimono, Takashi Yamasaki, Yoshinori Imamura, Yohei Funakoshi, Masanori Toyoda, Naomi Kiyota, Shintaro Takao, Seishi Kono, Yoshihiro Kakeji, Hironobu Minami
BACKGROUND AND OBJECTIVES: To explore whether lymphocytes in sentinel lymph nodes (SLNs) are highly exposed to tumor neoantigens and thus express high level of programmed death 1 (PD-1), we examined PD-1 expression in SLNs and non-sentinel regional lymph nodes (non-SLNs) in breast cancer. METHODS: We performed PD-1 immunohistochemistry in two cohorts: 40 metastasis-negative SLNs including 10 patients for each subtype (luminal A-like, luminal B-like, HER2, and triple negative breast cancer [TNBC]); and 25 pairs of metastasis-positive SLNs and non-SLNs (10 luminal A-like, 10 luminal B-like, and 5 TNBC)...
November 28, 2017: Journal of Surgical Oncology
https://www.readbyqxmd.com/read/29192802/adhering-to-the-principles-of-clinical-pharmacology-the-correct-fixed-combinations-of-antihypertensive-drugs
#16
Lopatowska Paulina, Mlodawska Elzbieta, Tomaszuk-Kazberuk Anna, Maciej Banach, Malyszko Jolanta
Introduction Hypertension is one of the primary modifiable risk factors for cardiac and renal diseases. The prevalence of hypertension appears to be around 30-45% of the general population, with a steep increase with ageing. The administration of blood pressure-lowering drugs is to reduce the risk of major clinical cardiovascular outcomes: stroke, myocardial infarction, heart failure and cardiovascular deaths. Hypertension guidelines recommend combination therapy in patients with high cardiovascular risk and with subclinical organ damage as well as when monotherapy fails...
December 1, 2017: Expert Review of Clinical Pharmacology
https://www.readbyqxmd.com/read/29192423/bisphosphonates-for-paget-s-disease-of-bone-in-adults
#17
REVIEW
Luis Corral-Gudino, Adrian Jh Tan, Javier Del Pino-Montes, Stuart H Ralston
BACKGROUND: Bisphosphonates are considered to be the treatment of choice for people with Paget's disease of bone. However, the effects of bisphosphonates on patient-centred outcomes have not been extensively studied. There are insufficient data to determine whether reducing and maintaining biochemical markers of bone turnover to within the normal range improves quality of life and reduces the risk of complications. OBJECTIVES: To assess the benefits and harms of bisphosphonates for adult patients with Paget's disease of bone...
December 1, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/29192364/liver-metastases-from-prostate-cancer-at-11c-choline-pet-ct-a-multicenter-retrospective-analysis
#18
Pietro Ghedini, I Bossert, L Zanoni, F Ceci, T Graziani, P Castellucci, V Ambrosini, F Massari, E Nobili, B Melotti, A Musto, S Zoboli, L Antunovic, M Kirienko, A Chiti, C Mosconi, A Ardizzoni, R Golfieri, S Fanti, C Nanni
AIM: During our daily clinical practice using 11C-Choline PET/CT for restaging patients affected by relapsing prostate cancer (rPCa) we noticed an unusual but significant occurrence of hypodense hepatic lesions with a different tracer uptake. Thus, we decided to evaluate the possible correlation between rPCa and these lesions as possible hepatic metastases. MATERIALS AND METHODS: We retrospectively enrolled 542 patients diagnosed with rPCa in biochemical relapse after a radical treatment (surgery and/or radiotherapy)...
November 30, 2017: European Journal of Nuclear Medicine and Molecular Imaging
https://www.readbyqxmd.com/read/29191438/real-time-eeg-defined-excitability-states-determine-efficacy-of-tms-induced-plasticity-in-human-motor-cortex
#19
Christoph Zrenner, Debora Desideri, Paolo Belardinelli, Ulf Ziemann
BACKGROUND: Rapidly changing excitability states in an oscillating neuronal network can explain response variability to external stimulation, but if repetitive stimulation of always the same high- or low-excitability state results in long-term plasticity of opposite direction has never been explored in vivo. OBJECTIVE/HYPOTHESIS: Different phases of the endogenous sensorimotor μ-rhythm represent different states of corticospinal excitability, and repetitive transcranial magnetic stimulation (rTMS) of always the same high- vs...
November 24, 2017: Brain Stimulation
https://www.readbyqxmd.com/read/29191181/immunohistochemistry-defined-subtypes-of-breast-cancer-in-678-sudanese-and-eritrean-women-hospitals-based-case-series
#20
Asmerom Tesfamariam Sengal, Nada Suliman Haj-Mukhtar, Ahmed Mohammed Elhaj, Shahinaz Bedri, Eva Johanna Kantelhardt, Ahmed A Mohamedani
BACKGROUND: Breast cancer is the most common malignancy accounting for 25% of all cancers in females. In Africa, breast cancer prevalence and mortality are steadily increasing. Knowledge of hormone receptors and human epidermal growth factor receptor-2 (HER-2) expressions are vital for breast cancer management plans and decision making. There is wide regional variation in the proportion of these biomarkers, especially in African countries. Hormone receptors positivity in indigenous African and African American women is considered to be low and triple negative breast cancer is a dominant phenotype...
December 1, 2017: BMC Cancer
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