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https://www.readbyqxmd.com/read/28634172/identifying-an-oxygenation-index-threshold-for-increased-mortality-in-acute-respiratory-failure
#1
Brandon G Hammond, Pamela Garcia-Filion, Paul Kang, Mounica Y Rao, Brigham C Willis, Heidi J Dalton
BACKGROUND: The objective of this work was to examine current oxygenation index (OI) data and outcomes using electronic medical record data to identify a specific OI value associated with mortality. METHODS: This study was a retrospective electronic medical record data review from the pediatric ICU of Phoenix Children's Hospital, with data mining for variables to calculate OIs on subjects age 1 month to 20 y mechanically ventilated >24 h, excluding those with known intracardiac shunts or cyanotic heart disease...
June 20, 2017: Respiratory Care
https://www.readbyqxmd.com/read/28633665/optimizing-bronchodilation-in-the-prevention-of-copd-exacerbations
#2
REVIEW
Marc Miravitlles, Antonio Anzueto, José R Jardim
The natural disease course of chronic obstructive pulmonary disease (COPD) is often punctuated by exacerbations: acute events of symptom worsening associated with significant morbidity and healthcare resource utilization; reduced quality of life; and increased risk of hospitalization and death. The Global Initiative for Chronic Obstructive Lung Disease (GOLD) recommend that patients at risk of exacerbations (GOLD Groups C and D) receive a long-acting muscarinic antagonist (LAMA) or a long-acting β2-agonist (LABA)/LAMA combination, respectively, as preferred initial treatments...
June 20, 2017: Respiratory Research
https://www.readbyqxmd.com/read/28632508/combined-dextroamphetamine-and-transcranial-direct-current-stimulation-in-poststroke-aphasia
#3
Zafer Keser, Michelle Weber Dehgan, Shaparak Shadravan, Nuray Yozbatiran, Lynn M Maher, Gerard E Francisco
There is a growing need for various effective adjunctive treatment options for speech recovery after stroke. A pharmacological agent combined with noninvasive brain stimulation has not been previously reported for poststroke aphasia recovery. In this "proof of concept" study, we aimed to test the safety of a combined intervention consisting of dextroamphetamine, transcranial direct current stimulation, and speech and language therapy in subjects with nonfluent aphasia. Ten subjects with chronic nonfluent aphasia underwent two experiments where they received dextroamphetamine or placebo along with transcranial direct current stimulation and speech and language therapy on two separate days...
June 20, 2017: American Journal of Physical Medicine & Rehabilitation
https://www.readbyqxmd.com/read/28627677/integrated-analysis-of-the-potential-roles-of-mirna%C3%A2-mrna-networks-in-triple-negative-breast-cancer
#4
Huiru Zhu, Meiyu Dai, Xiaoli Chen, Xiang Chen, Shini Qin, Shengming Dai
Triple negative breast cancer (TNBC) is a type of breast cancer where the tumor cells are negative for the estrogen, progesterone and human epidermal growth factor 2 receptors. To date, expression profiling of microRNA (miRNA/miR) and mRNA sequences have been widely applied for the diagnosis of TNBC. In the present study, an integrated analysis of miRNA‑mRNA profiling arrays was performed. A total of five dysregulated miRNAs in patients with TNBC were identified, including upregulated miR‑558 expression and downregulated miR‑320d‑1, miR‑548v, miR‑99a and miR‑21 expression...
June 9, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28626558/multifunctional-mixed-metal-nanoscale-coordination-polymers-for-triple-modality-imaging-guided-photodynamic-therapy
#5
Yong-Mei Wang, Wei Liu, Xue-Bo Yin
The one-step self-assembly preparation of multifunctional gadolinium (Gd)-ytterbium (Yb) mixed-metal nanoscale coordination polymers (NCPs) with Ru[4,4'-(COOH)2bpy]3(2+) (LRu , bpy = bipyridyl) as a ligand is reported. The Gd/Yb ratio in the NCPs is easily tuned by their ratio in the precursors while the self-limiting growth is realized with the high coordination valence and rigid steric structure of the precursors. The inherent properties of the precursors, including the magnetic resonance (MR) response of Gd(3+), the X-ray attenuation properties of Yb(3+), and the red fluorescence and the singlet-oxygen generation of LRu , are well retained in the mixed-metal NCPs...
May 1, 2017: Chemical Science
https://www.readbyqxmd.com/read/28626128/a-case-of-matrix-producing-carcinoma-of-the-breast
#6
Yuzuru Inoue, Fumi Joden, Kei Yabuki, Nagahiro Sato, Noritaka Minagawa, Takefumi Katsuki, Norihiro Sato, Takahisa Nagata, Kazunori Shibao, Atsuji Matsuyama, Takatoshi Aoki, Keiji Hirata
A 61-year-old woman was referred to our hospital because of a right breast mass. A 19 mm hard mass was palpable in the A area of the right breast. A contrast-enhanced MRI showed rim enhancement at the peripheral region of the tumor, which was thought to represent the carcinoma component mainly at the periphery and the matrix component inside the tumor. A low density mass with rim enhancement at the peripheral region was observed in a contrast-enhanced CT, the same as in the MRI. Neither axillary lymph node metastasis nor distant metastasis was observed...
2017: Journal of UOEH
https://www.readbyqxmd.com/read/28624788/systematic-review-and-meta-analysis-of-the-efficacy-of-breast-conservation-therapy-followed-by-radiotherapy-in-four-breast-cancer-subtypes
#7
Xin-Bin Pan, Rou-Jun Chen, Shi-Ting Huang, Yan-Ming Jiang, Xiao-Dong Zhu
The different molecular subtypes of breast cancer are associated with distinct outcomes. We assessed the efficacy of breast conservation therapy (BCT) followed by radiotherapy for patients with different breast cancer subtypes. We searched the MEDLINE, EMBASE, and Cochrane Library databases to identify studies published prior to April 30, 2016 that assessed the efficacy of BCT followed by radiotherapy in breast cancer patients with different molecular subtypes. A meta-analysis of seven studies that included 3,798 luminal A, 770 luminal B, 344 human epidermal growth factor receptor 2 (Her-2), and 767 triple-negative breast cancer (TNBC) patients was performed...
May 24, 2017: Oncotarget
https://www.readbyqxmd.com/read/28624192/stimuli-responsive-mesoporous-silica-nps-as-non-viral-dual-sirna-chemotherapy-carriers-for-triple-negative-breast-cancer
#8
REVIEW
Behrad Darvishi, Leila Farahmand, Keivan Majidzadeh-A
Triple negative breast cancer (TNBC) is the most aggressive and lethal subtype of breast cancer. It is associated with a very poor prognosis and intrinsically resistant to several conventional and targeted chemotherapy agents and has a 5-year survival rate of less than 25%. Because the treatment options for TNBC are very limited and not efficient enough for achieving minimum desired goals, shifting toward a new generation of anti-cancer agents appears to be very critical. Among recent alternative approaches being proposed, small interfering RNA (siRNA) gene therapy can potently suppress Bcl-2 proto-oncogene and p-glycoprotein gene expression, the most important chemotherapy resistance inducers in TNBC...
June 16, 2017: Molecular Therapy. Nucleic Acids
https://www.readbyqxmd.com/read/28624108/modification-of-immunosuppressive-therapy-as-risk-factor-for-complications-after-liver-transplantation
#9
REVIEW
Paolo De Simone, Paola Carrai, Laura Coletti, Davide Ghinolfi, Stefania Petruccelli, Franco Filipponi
Management of complications post-liver transplantation (LT) includes immunosuppressive manipulations with the aim to reduce the overall burden of immunologic suppression and compensate for renal, cardiovascular, metabolic toxicities, and for the increased oncologic risk. Two approaches can be implemented to reduce immunosuppression-related adverse events: upfront schedules tailored to the pretransplant individual patient's risk profile versus downstream modifications in the event of immunosuppression-related complications...
April 2017: Best Practice & Research. Clinical Gastroenterology
https://www.readbyqxmd.com/read/28623645/psmb5-is-associated-with-proliferation-and-drug-resistance-in-triple-negative-breast-cancer
#10
Wensong Wei, Yufeng Zou, Qihua Jiang, Zhibin Zhou, Haolong Ding, Liping Yan, Shixin Yang
BACKGROUND: Triple-negative breast cancer (TNBC) is the most aggressive subtype of breast cancer, characterized by advanced disease stage and poor prognosis. Moreover, due to the lack of therapeutic markers, TNBC patients can't benefit fully from currently available targeted therapies. METHODS: To fully understand the molecular basis of TNBC, we used gene set enrichment analysis (GSEA) to screen out the most altered functional module in TNBC, from publicly available microarray data and studied the association of the candidate gene with TNBC development...
June 15, 2017: International Journal of Biological Markers
https://www.readbyqxmd.com/read/28621239/a-microrna-signature-associated-with-pathological-complete-response-to-novel-neoadjuvant-therapy-regimen-in-triple-negative-breast-cancer
#11
Raúl García-Vazquez, Erika Ruiz-García, Abelardo Meneses García, Horacio Astudillo-de la Vega, Fernando Lara-Medina, Alberto Alvarado-Miranda, Héctor Maldonado-Martínez, Juan A González-Barrios, Alma D Campos-Parra, Sergio Rodríguez Cuevas, Laurence A Marchat, César López-Camarillo
Neoadjuvant chemotherapy aims to improve the outcome of breast cancer patients, but only few would benefit from this treatment. Pathological complete response has been proposed as a surrogate marker for the prediction of long-term clinical benefits; however, 50%-85% patients have an unfavorable pathological complete response to chemotherapy. MicroRNAs are known biomarkers of breast cancer progression; nevertheless, their potential to identify patients with pathological complete response remains poorly understood...
June 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28621159/dual-antiretroviral-therapy-for-hiv-infection
#12
Vicente Soriano
For two decades' triple combinations of antiretrovirals have been the standard treatment for HIV infection. The challenges of such lifelong therapy include long-term side effects, high costs and reduced drug adherence. The recent advent of more potent and safer antiretrovirals has renewed the interest for simpler HIV regimens. Areas covered: We discuss the pros and cons of dual antiretroviral therapies in both drug-naïve and in treatment-experienced patients with viral suppression (switch strategy). Expert Opinion: Some dual antiretroviral regimens are safe and efficacious, particularly as maintenance therapy...
June 16, 2017: Expert Opinion on Drug Safety
https://www.readbyqxmd.com/read/28621007/effectiveness-of-a-fixed-combination-formula-of-ombitasvir-paritaprevir-ritonavir-for-hepatitis-c-virus-infection-in-patients-on-maintenance-haemodialysis
#13
Norihiko Morisawa, Yohei Koshima, Satoru Kuriyama, Momoko Matsuyama, Naomi Hayashi, Jun-Ichi Satoh, Morimasa Amemiya, Takashi Yokoo
A fixed-dose formula that combines Ombitasvir (OBV), Paritaprevir (PTV) and Ritonavir (RTV) has been launched into the field of anti-HCV therapy in Japan for patients infected with HCV genotypes 1 and 2 in 2015. However, little is yet known as to the efficacy and safety of this novel therapy in patients on maintenance haemodialysis (HD). The present report describes a preliminary experience in 10 patients (five males and five females) who underwent maintenance HD. All of them had HCV genotype 1b, without having the resistance-associated variants at Y93 or L31 in the nonstructural proteins 5A (NS5A) region...
July 2017: Nephrology
https://www.readbyqxmd.com/read/28618929/anti-tumorigenic-effects-of-a-novel-digitoxin-derivative-on-both-estrogen-receptor-positive-and-triple-negative-breast-cancer-cells
#14
Yogesh M Kulkarni, Juan S Yakisich, Neelam Azad, Rajkumar Venkatadri, Vivek Kaushik, George O'Doherty, Anand Krishnan V Iyer
While there are targeted treatments for triple positive breast cancers, lack of specific biomarkers for triple-negative breast cancers (TNBC) has hindered the development of therapies for this subset of cancers. In this study, we evaluated the anticancer properties of cardiac glycoside Digitoxin (Dtx) and its synthetic analog MonoD on breast cancer cell lines MCF-7 (estrogen receptor-positive breast cancer) and MDA-MB-468 (triple-negative breast cancer). Both cardiac glycosides, at concentrations within the therapeutic range, increased the fraction of cells in the G0/G1 phase of the cell cycle, decreased viability, and inhibited the migration of MCF-7 and MDA-MB-468 cells...
June 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28617882/eradication-rates-in-italian-subjects-heterogeneously-managed-for-helicobacter-pylori-infection-time-to-abandon-empiric-treatments-in-southern-europe
#15
Agostino Di Ciaula, Giuseppe Scaccianoce, Marino Venerito, Angelo Zullo, Leonilde Bonfrate, Theodore Rokkas, Piero Portincasa
BACKGROUND AND AIMS: H. pylori eradication is strongly affected by various factors, including the ongoing antibiotic resistance. We describe a "real life" scenario in patients managed for H. pylori-related conditions, living in a southern Italian region (Apulia), an area with clarithromycin resistance >15%. METHODS: 2,224 subjects were studied in two tertiary referral centers in Apulia. Analyses included: reason for referral, H. pylori infection rates (13C-urea breath test - UBT or upper endoscopy), and eradication rates following distinct regimens previously prescribed or prospectively prescribed (such as the bismuth-based quadruple therapy Pylera®, recently marketed in Italy)...
June 2017: Journal of Gastrointestinal and Liver Diseases: JGLD
https://www.readbyqxmd.com/read/28616845/neoadjuvant-therapy-for-breast-cancer-established-concepts-and-emerging-strategies
#16
REVIEW
Tessa G Steenbruggen, Mette S van Ramshorst, Marleen Kok, Sabine C Linn, Carolien H Smorenburg, Gabe S Sonke
In the last decade, the systemic treatment approach for patients with early breast cancer has partly shifted from adjuvant treatment to neoadjuvant treatment. Systemic treatment administration started as a 'one size fits all' approach but is currently customized according to each breast cancer subtype. Systemic treatment in a neoadjuvant setting is at least as effective as in an adjuvant setting and has several additional advantages. First, it enables response monitoring and provides prognostic information; second, it downstages the tumor, allowing for less extensive surgery, improved cosmetic outcomes, and reduced postoperative complications such as lymphedema; and third, it enables early development of new treatment strategies by using pathological complete remission as a surrogate outcome of event-free and overall survival...
June 14, 2017: Drugs
https://www.readbyqxmd.com/read/28616827/trastuzumab-and-survival-of-patients-with-metastatic-breast-cancer
#17
Karin Kast, Olaf Schoffer, Theresa Link, Almuth Forberger, Andrea Petzold, Antje Niedostatek, Carmen Werner, Stefanie J Klug, Andreas Werner, Axel Gatzweiler, Barbara Richter, Gustavo Baretton, Pauline Wimberger
INTRODUCTION: Prognosis of Her2-positive breast cancer has changed since the introduction of trastuzumab for treatment in metastatic and early breast cancer. It was described to be even better compared to prognosis of Her2-negative metastatic breast cancer. The purpose of this study was to evaluate the effect of trastuzumab in our cohort. Besides the effect of adjuvant pretreatment with trastuzumab on survival of patients with metastatic Her2-positive breast cancer was analyzed. METHODS: All patients with primary breast cancer of the Regional Breast Cancer Center Dresden diagnosed during the years 2001-2013 were analyzed for treatment with or without trastuzumab in the adjuvant and in the metastatic treatment setting using Kaplan-Meier survival estimation and Cox regression...
June 14, 2017: Archives of Gynecology and Obstetrics
https://www.readbyqxmd.com/read/28616768/antitumor-activity-and-safety-profile-of-weekly-carboplatin-plus-paclitaxel-in-metastatic-breast-cancer-a-ten-year-monocentric-retrospective-study
#18
Claudio Vernieri, Monica Milano, Alessia Mennitto, Claudia Maggi, Benvenuto Ferrari, Lucia Rinaldi, Roberta Mennitto, Claudia Stefanetti, Barbara Re, Gabriella Mariani, Giulia Bianchi, Giuseppe Capri, Filippo de Braud
BACKGROUND: Taxanes are a mainstay in the treatment of metastatic breast cancer (mBC). Combination chemotherapy, including platinum-taxens doublets, can improve tumor responses and progression-free survival (PFS), but is associated with more toxicities and an uncertain benefit in terms of overall survival (OS). METHODS: We performed a retrospective study on 274 consecutive patients with mBC treated at the Division of Medical Oncology of Fondazione IRCCS Istituto Nazionale Tumori, Milan, Italy, during the decade 2007-2016 with the combination of carboplatin AUC 2 plus paclitaxel 80 mg/m(2), both given on days 1 and 8 in every 21-day cycle...
June 14, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28616286/severe-and-uncontrolled-asthma-in-china-a-cross-sectional-survey-from-the-australasian-severe-asthma-network
#19
Gang Wang, Fang Wang, Peter G Gibson, Michael Guo, Wei-Jie Zhang, Peng Gao, Hong-Ping Zhang, Erin S Harvey, Hui Li, Jie Zhang
BACKGROUND: Severe asthma is largely unexplored in the Chinese population. Patients with asthma underwent systematic evaluation, by investigating the characteristics of uncontrolled asthma and of asthma treated with three different controller therapies. METHODS: This multi-centre, real-world study was conducted from March 2014 to September 2015. Adults with stable asthma underwent assessment of medication use, asthma control, quality of life, psychological symptoms, work productivity and activity impairment, bronchodilator response and sputum induction...
May 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28615523/phytoagent-deoxyelephantopin-derivative-inhibits-triple-negative-breast-cancer-cell-activity-by-inducing-oxidative-stress-mediated-paraptosis-like-cell-death
#20
Jeng-Yuan Shiau, Kyoko Nakagawa-Goto, Kuo-Hsiung Lee, Lie-Fen Shyur
Triple negative breast cancer (TNBC) is a highly metastatic cancer among the breast cancer subgroups. A thorny issue for clinical therapy of TNBC is lack of an efficient targeted therapeutic strategy. We previously created a novel sesquiterpene lactone analog (named DETD-35) derived from plant deoxyelephantopin (DET) which exhibits potent effects against human TNBC MDA-MB-231 tumor growth in a xenograft mouse model. Here we studied the mechanisms of both DET and DETD-35 against MDA-MB-231 cells. DETD-35 (3-fold decreased in IC50) exhibited better anti-TNBC cell activity than DET as observed through induction of reactive oxygen species production (within 2 h treatment) and damage to the ER structures, resulting in ER-derived cytoplasmic vacuolation and ubiquitinated protein accumulation in the treated cells...
May 25, 2017: Oncotarget
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