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https://www.readbyqxmd.com/read/28634427/leveraging-food-and-drug-administration-adverse-event-reports-for-the-automated-monitoring-of-electronic-health-records-in-a-pediatric-hospital
#1
Huaxiu Tang, Imre Solti, Eric Kirkendall, Haijun Zhai, Todd Lingren, Jaroslaw Meller, Yizhao Ni
The objective of this study was to determine whether the Food and Drug Administration's Adverse Event Reporting System (FAERS) data set could serve as the basis of automated electronic health record (EHR) monitoring for the adverse drug reaction (ADR) subset of adverse drug events. We retrospectively collected EHR entries for 71 909 pediatric inpatient visits at Cincinnati Children's Hospital Medical Center. Natural language processing (NLP) techniques were used to identify positive diseases/disorders and signs/symptoms (DDSSs) from the patients' clinical narratives...
2017: Biomedical Informatics Insights
https://www.readbyqxmd.com/read/28633142/multifactorial-analysis-of-a-biomarker-pool-for-alzheimer-disease-risk-in-a-north-indian-population
#2
Puneet Talwar, Sandeep Grover, Juhi Sinha, Puneet Chandna, Rachna Agarwal, Suman Kushwaha, Ritushree Kukreti
BACKGROUND: Alzheimer disease (AD) is a progressive neurodegenerative disease with a complex multifactorial etiology. Here, we aim to identify a biomarker pool comprised of genetic variants and blood biomarkers as predictor of AD risk. METHODS: We performed a case-control study involving 108 cases and 159 non-demented healthy controls to examine the association of multiple biomarkers with AD risk. RESULTS: The APOE genotyping revealed that ε4 allele frequency was significantly high (p value = 0...
June 21, 2017: Dementia and Geriatric Cognitive Disorders
https://www.readbyqxmd.com/read/28632591/acetabular-retroversion-but-not-increased-acetabular-depth-or-coverage-in-slipped-capital-femoral-epiphysis-a-matched-cohort-study
#3
Tobias Hesper, Sarah D Bixby, Young-Jo Kim, Yi-Meng Yen, Garrett Bowen, Patricia Miller, Michael B Millis, Eduardo N Novais
BACKGROUND: Femoral head overcoverage by a deep and retroverted acetabulum has been postulated as a mechanical factor in slipped capital femoral epiphysis (SCFE). We assessed acetabular depth, coverage, and version in the hips of patients with unilateral SCFE; in the contralateral, uninvolved hips; and in healthy control hips. METHODS: Thirty-six patients affected by unilateral SCFE were matched to 36 controls on the basis of sex and age. The acetabular depth-width ratio (ADR), the lateral center-edge angle (LCEA), the anterior and posterior acetabular sector angle (ASA), and version (10 mm distal to the highest point of the acetabular dome and at the level of the femoral head center) were assessed on computed tomography (CT)...
June 21, 2017: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/28632563/why-lumbar-artificial-disk-replacements-ladrs-fail
#4
Kenneth Pettine, Robert Ryu, Fernando Techy
STUDY DESIGN: A retrospective review of prospectively collected data. OBJECTIVE: To determine why artificial disk replacements (ADRs) fail by examining results of 91 patients in FDA studies performed at a single investigational device exemption (IDE) site with minimum 2-year follow-up. SUMMARY OF BACKGROUND DATA: Patients following lumbar ADR generally achieve their 24-month follow-up results at 3 months postoperatively. MATERIALS AND METHODS: Every patient undergoing ADR at 1 IDE site by 2 surgeons was evaluated for clinical success...
July 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28632185/the-effects-of-selected-sesquiterpenes-from-myrica-rubra-essential-oil-on-the-efficacy-of-doxorubicin-in-sensitive-and-resistant-cancer-cell-lines
#5
Martin Ambrož, Petra Matoušková, Adam Skarka, Martina Zajdlová, Kateřina Žáková, Lenka Skálová
β-caryophyllene oxide (CAO), α-humulene (HUM), trans-nerolidol (NER) and valencene (VAL) are constituents of the essential oil of Myrica rubra (MEO), which has significant antiproliferative effect in various cancer cell lines. In the present study, we compared the antiproliferative effect of these sesquiterpenes alone and in combination with the cytostatic drug doxorubicin (DOX) in cancer cell lines with different sensitivity to DOX. Two ovarian cancer cell lines (sensitive A2780 and partly resistant SKOV3) and two lymphoblast cancer cell lines (sensitive CCRF/CEM and completely resistant CEM/ADR) were used...
June 20, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28630426/the-down-regulation-of-slc7a11-enhances-ros-induced-p-gp-over-expression-and-drug-resistance-in-mcf-7-breast-cancer-cells
#6
Chun Ge, Bei Cao, Dong Feng, Fang Zhou, Jingwei Zhang, Na Yang, Siqi Feng, Guangji Wang, Jiye Aa
Adriamycin (ADR) induces the over-expression of P-glycoprotein (P-gp) and multiple drug resistance in breast cancer cells. However, the biochemical process and underlying mechanisms are not clear. Our previous study revealed that ADR increased reactive oxygen species (ROS) generation and decreased glutathione (GSH) biosynthesis, while N-acetylcysteine, the ROS scavenger, reversed the over-expression of P-gp. The present study showed that ADR inhibited the influx of cystine (the source material of GSH) and the activity of the SLC7A11 transporter (in charge of cystine uptake) in MCF-7 cells...
June 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28629893/a-new-nir-triggered-dox-and-icg-co-delivery-system-for-enhanced-multidrug-resistant-cancer-treatment-through-simultaneous-chemo-photothermal-photodynamic-therapy
#7
Yanna Yu, Zhipeng Zhang, Yun Wang, Hao Zhu, Fangzhou Li, Yuanyuan Shen, Shengrong Guo
It is a great challenge to combat multidrug resistant (MDR) cancer effectively. To address this issue, we developed a new near-infrared (NIR) triggered chemotherapeutic agent doxorubicin (DOX) and photosensitizer indocyanine green (ICG) co-release system by aid of NIR induced photothermal effect of gold nanocages (AuNCs) and temperature sensitive phase-change property of 1-tetradecanol at its melting point of 39°C, which could simultaneously exerted chemo/photothermal/photodynamic treatment on MDR human breast cancer MCF-7/ADR cells...
June 16, 2017: Acta Biomaterialia
https://www.readbyqxmd.com/read/28628942/increasing-burden-of-liver-cancer-despite-extensive-use-of-antiviral-agents-in-a-hepatitis-b-virus-endemic-population
#8
Jonggi Choi, Seungbong Han, Namkug Kim, Young-Suk Lim
Most mortalities from liver disease and liver cancer worldwide are attributable to hepatitis B virus (HBV) and hepatitis C virus. Despite remarkable advances in the treatment of HBV over past decades, limited population-level data are available regarding its impact on burden of liver disease and liver cancer. Mortality data from liver disease and liver cancer were obtained from national death certificate database of Korea, a HBV-endemic country, between 1999 and 2013, and were analyzed by Joinpoint analysis...
June 19, 2017: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/28626857/fetal-intracranial-hemorrhage-role-of-fetal-mri
#9
Laura Sanapo, Matthew T Whitehead, Dorothy I Bulas, Homa K Ahmadzia, Lindsay Pesacreta, Taeun Chang, Adre du Plessis
OBJECTIVE: To date, prenatal diagnosis of intracranial hemorrhage (ICH) is mainly based on ultrasound (US) findings rather than magnetic resonance imaging (MRI). We aimed to: investigate the role of MRI in the diagnosis of fetal ICH among pregnancies referred to fetal MRI and to characterize the topography of fetal ICH using MRI. METHODS: We retrospectively identified fetal ICH cases diagnosed by MRI from 2008-2015, and reviewed their prenatal and postnatal medical records...
June 19, 2017: Prenatal Diagnosis
https://www.readbyqxmd.com/read/28625964/antegrade-dissection-and-reentry-as-part-of-the-hybrid-chronic-total-occlusion-revascularization-strategy-a-subanalysis-of-the-recharge-registry-registry-of-crossboss-and-hybrid-procedures-in-france-the-netherlands-belgium-and-united-kingdom
#10
Joren Maeremans, Jo Dens, James C Spratt, Alan J Bagnall, Wynand Stuijfzand, Alexander Nap, Pierfrancesco Agostoni, William Wilson, Colm G Hanratty, Simon Wilson, Benjamin Faurie, Alexandre Avran, Erwan Bressollette, Mohaned Egred, Paul Knaapen, Simon Walsh
BACKGROUND: Development of the CrossBoss and Stingray devices for antegrade dissection and reentry (ADR) of chronic total occlusions has improved historically suboptimal outcomes. However, the outcomes, safety, and failure modes of the technique have to be studied in a larger patient cohort. This preplanned substudy of the RECHARGE registry (Registry of CrossBoss and Hybrid Procedures in France, the Netherlands, Belgium and United Kingdom) aims to evaluate the value and use of ADR and determine its future position in contemporary chronic total occlusion intervention...
June 2017: Circulation. Cardiovascular Interventions
https://www.readbyqxmd.com/read/28625147/adverse-drug-reactions-related-to-drug-administration-in-hospitalized-patients
#11
Luca Gallelli, Antonio Siniscalchi, Caterina Palleria, Laura Mumoli, Orietta Staltari, Aida Squillace, Francesca Maida, Emilio Russo, Santo Gratteri, Giovambattista De Sarro
INTRODUCTION: Drug treatment may be related with the development of adverse drug reactions (ADRs). AIM: Here, we evaluated the ADRs in patients admitted to Catanzaro Hospital. METHODS: After we obtained the approval by local Ethical Committee, we performed a retrospective study on clinical records from March 01, 2013 to April30, 2015. The association between drug and ADR or between drug and drug-drug-interactions (DDIs) was evaluated using the Naranjo's probability scale and Drug Interaction Probability Scale (DIPS), respectively...
June 15, 2017: Current Drug Safety
https://www.readbyqxmd.com/read/28624793/bufalin-reverses-abcb1-mediated-drug-resistance-in-colorectal-cancer
#12
Ze-Ting Yuan, Xiao-Jing Shi, Yu-Xia Yuan, Yan-Yan Qiu, Yu Zou, Cheng Liu, Hui Yu, Xue He, Ke Xu, Pei-Hao Yin
Multidrug resistance (MDR), mainly mediated by ABCB1 transporter, is a major cause for chemotherapy failure. Bufalin (BU), an active component of the traditional Chinese medicine chan'su, has been reported to have antitumor effects on various types of cancer cells. The purpose of this present study was to investigate the reversal effect of BU on ABCB1-mediated multidrug resistance in colorectal cancer. BU at safe concentration (5, 10, 20 nM) could reverse chemosensitivity of ABCB1-overexpression HCT8/ADR, LoVo/ADR and HCT8/ABCB1 nearly back to their parental cells level...
May 26, 2017: Oncotarget
https://www.readbyqxmd.com/read/28623363/machine-learning-workflow-to-enhance-predictions-of-adverse-drug-reactions-adrs-through-drug-gene-interactions-application-to-drugs-for-cutaneous-diseases
#13
Kalpana Raja, Matthew Patrick, James T Elder, Lam C Tsoi
Adverse drug reactions (ADRs) pose critical public health issues, affecting over 6% of hospitalized patients. While knowledge of potential drug-drug interactions (DDI) is necessary to prevent ADR, the rapid pace of drug discovery makes it challenging to maintain a strong insight into DDIs. In this study, we present a novel literature-mining framework for enhancing the predictions of DDIs and ADR types by integrating drug-gene interactions (DGIs). The ADR types were adapted from a DDI corpus, including i) adverse effect; ii) effect at molecular level; iii) effect related to pharmacokinetics; and iv) DDIs without known ADRs...
June 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28622742/intravenous-ferumoxytol-in-pediatric-patients-with-iron-deficiency-anemia
#14
Nabil Hassan, Brian Boville, Diann Reischmann, Akunne Ndika, David Sterken, Karen Kovey
BACKGROUND: Iron deficiency anemia (IDA) is common in children. Limited data exist on the efficacy and safety of ferumoxytol in children. OBJECTIVE: To assess the efficacy of 10 mg/kg dose given over 15-60 minutes in correcting IDA and report any adverse drug reactions (ADRs). METHODS: We conducted a retrospective review of all patients who received ferumoxytol infusions for the management of IDA by the Pediatric Blood Management Program between October 2010 and March 2015...
July 2017: Annals of Pharmacotherapy
https://www.readbyqxmd.com/read/28621774/mesoporous-polydopamine-nanoparticles-with-co-delivery-function-for-overcoming-multidrug-resistance-via-synergistic-chemo-photothermal-therapy
#15
Yuxin Xing, Jixi Zhang, Feng Chen, Junjie Liu, Kaiyong Cai
Theranostic agents for combined chemo-photothermal therapy have attracted intensive interest in the treatment of multi-drug resistance (MDR) in cancer therapy. However, the development of simple theranostic agents as dual hosts for both heat and a high payload of chemotherapeutic agents remains a big challenge. Herein, mesoporous polydopamine nanoparticles (MPDA) were successfully developed with properties of a high payload of DOX (up to 2000 μg mg(-1)) and the drug efflux inhibitor TPGS (d-α-tocopheryl polyethylene glycol 1000 succinate), as well as strong near-infrared absorption...
June 16, 2017: Nanoscale
https://www.readbyqxmd.com/read/28619457/in-vitro-studies-of-phospholipid-modified-pamam-simdr1-complexes-for-the-reversal-of-multidrug-resistance-in-human-breast-cancer-cells
#16
Jing Liu, Jun Li, Nan Liu, Nana Guo, Chen Gao, Yanli Hao, Lei Chen, Xiaoning Zhang
The application of RNAi therapeutics is promising in combating several major human diseases including malignant tumors. However, this approach is limited due to its delivery barriers. In this study, we designed a new carrier system loaded with a functional siRNA targeting MDR1 gene to reverse multi-drug resistance (MDR) in human breast cancer MCF-7/ADR cells. Phospholipid-modified PAMAM-siMDR1 complexes were designed on the external decoration of polyamidoamine (PAMAM) with phospholipid (PL) and the electrostatical interaction between PAMAM and siMDR1 to form hybrid nanocomplexes (PL-dendriplexes)...
June 12, 2017: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/28618978/properties-of-poly-lactic-acid-hydroxyapatite-composite-through-the-use-of-epoxy-functional-compatibilizers-for-biomedical-application
#17
Naruporn Monmaturapoj, Autcharaporn Srion, Prasert Chalermkarnon, Suthawan Buchatip, Atitsa Petchsuk, Warobon Noppakunmongkolchai, Katanchalee Mai-Ngam
A composite of 70/30 poly(lactic acid)/hydroxyapatite was systematically prepared using various amounts of glycidyl methacrylate as reactive compatibilizer or Joncryl ADR®-4368 containing nine glycidyl methacrylate functions as a chain extension/branching agent to improve the mechanical and biological properties for suitable usage as internal bone fixation devices. The effect of glycidyl methacrylate/Joncryl on mechanical properties of poly(lactic acid)/hydroxyapatite was investigated through flexural strength...
January 1, 2017: Journal of Biomaterials Applications
https://www.readbyqxmd.com/read/28615765/adverse-drug-reaction-monitoring-in-a-tertiary-care-psychiatry-setting-a-comparative-study-between-inpatients-and-outpatients
#18
Tejaswi Gummadi, Virupaksha Shanmugam Harave, Lakshmi Narayan Aiyar, Saraswathy Ganesan RajaLekshmi, Radhika Kunnavil
BACKGROUND: Psychotropic medications are the mainstay of treatment in psychiatric disorders and are associated with ADRs which affect the compliance and treatment course. Previous studies have looked at the frequency, profile of ADRs and their management aspects. However, the systematic comparison between IP and OP was lacking even though there is a prescription pattern difference. Hence this study was aimed to compare the proportion, pattern, severity and resolution of ADRs once detected...
May 2017: Indian Journal of Psychological Medicine
https://www.readbyqxmd.com/read/28615763/adverse-drug-reactions-and-their-impact-on-quality-of-life-in-patients-on-antipsychotic-therapy-at-a-tertiary-care-center-in-delhi
#19
Shalini Chawla, Shankar Kumar
CONTEXT: Adverse drug reactions (ADR) due to antipsychotic therapy have significant impact on a psychiatric patient's quality of life. Few studies have been conducted in India to monitor adverse drug reactions due to antispsychotics and none has been done to determine their impact on quality of life. AIMS: The present study was conducted to monitor ADRs due to antipsychotics and ascertain the impact of ADRs on quality of life. SETTINGS AND DESIGN: This prospective observational study was conducted in the psychiatry outpatients department in New Delhi for 1 year...
May 2017: Indian Journal of Psychological Medicine
https://www.readbyqxmd.com/read/28614250/the-prevalence-of-heterotopic-ossification-among-patients-after-cervical-artificial-disc-replacement-a-systematic-review-and-meta-analysis
#20
Lingde Kong, Qinghua Ma, Fei Meng, Junming Cao, Kunlun Yu, Yong Shen
BACKGROUND: Prevalence estimates of heterotopic ossification (HO) following cervical artificial disc replacement (ADR) varied widely in previous studies. We conducted a systematic review and meta-analysis to summarize its point prevalence. METHODS: Electronic searches of PubMed, Web of Science, Embase, and Cochrane Library databases were conducted to identify studies that reported prevalence of HO. Definitions of HO and severe HO were based on McAfee grading system...
June 2017: Medicine (Baltimore)
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