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https://www.readbyqxmd.com/read/29326129/machine-learning-algorithm-predicts-cardiac-resynchronization-therapy-outcomes-lessons-from-the-companion-trial
#1
Matthew M Kalscheur, Ryan T Kipp, Matthew C Tattersall, Chaoqun Mei, Kevin A Buhr, David L DeMets, Michael E Field, Lee L Eckhardt, C David Page
BACKGROUND: Cardiac resynchronization therapy (CRT) reduces morbidity and mortality in heart failure patients with reduced left ventricular function and intraventricular conduction delay. However, individual outcomes vary significantly. This study sought to use a machine learning algorithm to develop a model to predict outcomes after CRT. METHODS AND RESULTS: Models were developed with machine learning algorithms to predict all-cause mortality or heart failure hospitalization at 12 months post-CRT in the COMPANION trial (Comparison of Medical Therapy, Pacing, and Defibrillation in Heart Failure)...
January 2018: Circulation. Arrhythmia and Electrophysiology
https://www.readbyqxmd.com/read/29312587/tumour-microenvironmental-blood-flow-determines-a-metabolomic-signature-identifying-lysophospholipids-and-resolvin-d-as-biomarkers-in-endometrial-cancer-patients
#2
Núria Eritja, Mariona Jové, Kristine Eldevik Fasmer, Sònia Gatius, Manuel Portero-Otin, Jone Trovik, Camilla Krakstad, Joaquim Sol, Reinald Pamplona, Ingfrid S Haldorsen, Xavier Matias-Guiu
Purpose: We aimed to study the potential influence of tumour blood flow -obtained from dynamic contrast-enhanced magnetic resonance imaging (DCE-MRI)- in the metabolomic profiles of endometrial tumours. Methods: Liquid chromatography coupled to mass spectrometry established the metabolomic profile of endometrial cancer lesions exhibiting high (n=12) or low (n=14) tumour blood flow at DCE-MRI. Univariate and multivariate statistics (ortho-PLS-DA, a random forest (RF) classifier and hierarchical clustering) and receiver operating characteristic (ROC) curves were used to establish a panel for potentially discriminating tumours with high versus low blood flow...
December 12, 2017: Oncotarget
https://www.readbyqxmd.com/read/29286074/codonopis%C3%A2-bulleynana-forest-ex-diels-inhibits-autophagy-and-induces-apoptosis-of-colon-cancer-cells-by-activating-the-nf-%C3%AE%C2%BAb-signaling-pathway
#3
Yunpeng Luan, Yanmei Li, Lina Zhu, Shuangqing Zheng, Dechang Mao, Zhuxue Chen, Yong Cao
Despite its favorable clinical efficacy, oxaliplatin‑based chemotherapy frequently results in treatment withdrawal and induces liver damage in colon cancer. Therefore, it is important to develop novel drugs, which can safely and effectively complement or replace the therapeutic effects of oxaliplatin. Codonopis bulleynana Forest ex Diels (cbFeD) has wide range of pharmacological effects, including anticancer effects. In the present study, the anticancer activity of cbFeD and its potential molecular mechanisms were investigated...
December 21, 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/29280214/thorough-in-silico-and-in-vitro-cdna-analysis-of-21-putative-brca1-and-brca2-splice-variants-and-a-complex-tandem-duplication-in-brca2-allowing-the-identification-of-activated-cryptic-splice-donor-sites-in-brca2-exon-11
#4
Annelot Baert, Eva Machackova, Ilse Coene, Carol Cremin, Kristin Turner, Cheryl Portigal-Todd, Marie Jill Asrat, Jennifer Nuk, Allison Mindlin, Young Sean, Andree MacMillan, Tom Van Maerken, Martin Trbusek, Wendy McKinnon, Marie E Wood, William D Foulkes, Marta Santamariña, Miguel de la Hoya, Lenka Foretova, Bruce Poppe, Anne Vral, Toon Rosseel, Kim De Leeneer, Ana Vega, Kathleen B M Claes
For 21 putative BRCA1 and BRCA2 splice site variants the concordance between mRNA analysis and predictions by in silico programs was evaluated. Aberrant splicing was confirmed for 12 alterations. In silico prediction tools were helpful to determine for which variants cDNA analysis is warranted, however, predictions for variants in the Cartegni consensus region but outside the canonical sites, were less reliable. Learning algorithms like Adaboost and Random Forest outperformed the classical tools. Further validations are warranted prior to implement these novel tools in clinical settings...
December 27, 2017: Human Mutation
https://www.readbyqxmd.com/read/29279299/characteristics-associated-with-decreased-or-increased-mortality-risk-from-glycemic-therapy-among-patients-with-type-2-diabetes-and-high-cardiovascular-risk-machine-learning-analysis-of-the-accord-trial
#5
Sanjay Basu, Sridharan Raghavan, Deborah J Wexler, Seth A Berkowitz
OBJECTIVE: Identifying patients who may experience decreased or increased mortality risk from intensive glycemic therapy for type 2 diabetes remains an important clinical challenge. We sought to identify characteristics of patients at high cardiovascular risk with decreased or increased mortality risk from glycemic therapy for type 2 diabetes using new methods to identify complex combinations of treatment effect modifiers. RESEARCH DESIGN AND METHODS: The machine learning method of gradient forest analysis was applied to understand the variation in all-cause mortality within the Action to Control Cardiovascular Risk in Diabetes (ACCORD) trial (N = 10,251), whose participants were 40-79 years old with type 2 diabetes, hemoglobin A1c (HbA1c) ≥7...
December 26, 2017: Diabetes Care
https://www.readbyqxmd.com/read/29277295/duration-of-dual-antiplatelet-therapy-following-drug-eluting-stent-implantation-in-diabetic-and-non-diabetic-patients-a-systematic-review-and-meta-analysis-of-randomized-controlled-trials
#6
REVIEW
Abhishek Sharma, Aakash Garg, Sammy Elmariah, Douglas Drachman, Chukwudi Obiagwu, Ajay Vallakati, Samin K Sharma, Carl J Lavie, Debabrata Mukherjee, Ron Waksman, Giulio G Stefanini, Fausto Feres, Jonathan D Marmur, Gérard Helft
BACKGROUND: Diabetic patients account for an increasing number of patients undergoing percutaneous coronary intervention (PCI). However, diabetes mellitus (DM) is associated with increased residual platelet activity during dual antiplatelet treatment (DAPT) and DM patients have worse clinical outcomes after PCI as compared to non-DM. OBJECTIVE: To evaluate efficacy and safety of short duration DAPT (S-DAPT) and long duration DAPT (L-DAPT) after drug eluting stent (DES) implantation in DM and non-DM patients...
December 22, 2017: Progress in Cardiovascular Diseases
https://www.readbyqxmd.com/read/29275788/a-systematic-review-of-anxiety-interventions-in-stroke-and-acquired-brain-injury-efficacy-and-trial-design
#7
Ho-Yan Yvonne Chun, Richard Newman, William N Whiteley, Martin Dennis, Gillian E Mead, Alan J Carson
OBJECTIVE: There is little randomized controlled trial (RCT) evidence to guide treatment for anxiety after stroke. We systematically reviewed RCTs of anxiety interventions in acquired brain injury (ABI) conditions including stroke and traumatic brain injury (TBI) in order to summarize efficacy and key aspects of trial design to help guide future RCTs. METHODS: We searched the Cochrane trial register, Medline, Embase, PsychInfo and CINAHL systematically up to August 2017...
January 2018: Journal of Psychosomatic Research
https://www.readbyqxmd.com/read/29273402/an-algorithm-for-the-classification-of-mrna-patters-in-eosinophilic-esophagitis-integration-of-machine-learning
#8
Benjamin F Sallis, Lena Erkert, Sherezade Moñino-Romero, Utkucan Acar, Rina Wu, Liza Konnikova, Willem S Lexmond, Matthew J Hamilton, W Augustine Dunn, Zsolt Szepfalusi, Jon A Vanderhoof, Scott B Snapper, Jerrold R Turner, Jeffrey D Goldsmith, Lisa A Spencer, Samuel Nurko, Edda Fiebiger
BACKGROUND: Diagnostic evaluation of eosinophilic esophagitis (EoE) remains difficult, particularly the assessment of the patient's allergic status. OBJECTIVE: Establish an automated medical algorithm to assist in the evaluation of EoE. METHODS: Machine learning techniques were used to establish a diagnostic probability score for EoE (pEoE) based on esophageal mRNA transcript patterns from biopsies of patients with EoE, gastroesophageal reflux disease, and controls...
December 19, 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/29261592/whole-blood-and-hextend-bookends-of-modern-tactical-combat-casualty-care-field-resuscitation-and-starting-point-for-multi-functional-resuscitation-fluid-development
#9
Forest R Sheppard, Thomas A Mitchell, Antoni R Macko, Darren M Fryer, Leasha J Schaub, Kassandra M Ozuna, Jacob J Glaser
BACKGROUND: Hemorrhage is the leading cause of preventable death in traumatically injured civilian and military populations. Pre-hospital resuscitation largely relies on crystalloid and colloid intra-vascular expansion, as whole blood and component blood therapy are logistically arduous. In this experiment, we evaluated the bookends of Tactical Combat Casualty Care Guidelines recommendations of pre-hospital resuscitation with Hextend and whole blood in a controlled hemorrhagic shock model within non-human primates, as means of a multi-functional resuscitative fluid development...
December 20, 2017: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/29246722/development-and-validation-of-a-predictive-radiomics-model-for-clinical-outcomes-in-stage-i-non-small-cell-lung-cancer
#10
Wen Yu, Chad Tang, Brian P Hobbs, Xiao Li, Eugene J Koay, Ignacio I Wistuba, Boris Sepesi, Carmen Behrens, Jaime Rodriguez Canales, Edwin Roger Parra Cuentas, Jeremy J Erasmus, Laurence E Court, Joe Y Chang
PURPOSE: To develop and validate a radiomics signature that can predict the clinical outcomes for patients with stage I non-small cell lung cancer (NSCLC). METHODS AND MATERIALS: We retrospectively analyzed contrast-enhanced computed tomography images of patients from a training cohort (n = 147) treated with surgery and an independent validation cohort (n = 295) treated with stereotactic ablative radiation therapy. Twelve radiomics features with established strategies for filtering and preprocessing were extracted...
November 15, 2017: International Journal of Radiation Oncology, Biology, Physics
https://www.readbyqxmd.com/read/29217832/inter-and-intra-hemispheric-structural-imaging-markers-predict-depression-relapse-after-electroconvulsive-therapy-a-multisite-study
#11
Benjamin S C Wade, Jing Sui, Gerhard Hellemann, Amber M Leaver, Randall T Espinoza, Roger P Woods, Christopher C Abbott, Shantanu H Joshi, Katherine L Narr
Relapse of depression following treatment is high. Biomarkers predictive of an individual's relapse risk could provide earlier opportunities for prevention. Since electroconvulsive therapy (ECT) elicits robust and rapidly acting antidepressant effects, but has a >50% relapse rate, ECT presents a valuable model for determining predictors of relapse-risk. Although previous studies have associated ECT-induced changes in brain morphometry with clinical response, longer-term outcomes have not been addressed. Using structural imaging data from 42 ECT-responsive patients obtained prior to and directly following an ECT treatment index series at two independent sites (UCLA: n = 17, age = 45...
December 8, 2017: Translational Psychiatry
https://www.readbyqxmd.com/read/29205444/switching-from-infliximab-innovator-to-biosimilar-in-patients-with-inflammatory-bowel-disease-a-12-month-multicentre-observational-prospective-cohort-study
#12
E M H Schmitz, P J Boekema, J W A Straathof, D C van Renswouw, L Brunsveld, V Scharnhorst, M E C van de Poll, M A C Broeren, L J J Derijks
BACKGROUND: Infliximab biosimilars have become available for treatment of inflammatory bowel disease (IBD). However, data showing long-term safety and effectiveness of biosimilars in IBD patients are limited. AIM: To study prospectively the switch from infliximab innovator to biosimilar in an IBD cohort with 12 months follow-up to evaluate safety and effectiveness. METHODS: Adult IBD patients from two hospitals treated with infliximab innovator (Remicade; Janssen Biotech,  Horsham ,  Pennsylvania, USA) were switched to infliximab biosimilar (Inflectra; Hospira, Lake Forest, Illinois, USA) as part of routine care, but in a controlled setting...
December 5, 2017: Alimentary Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/29203461/identifying-and-targeting-sporadic-oncogenic-genetic-aberrations-in-mouse-models-of-triple-negative-breast-cancer
#13
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/29165173/health-and-well-being-benefits-of-spending-time-in-forests-systematic-review
#14
Byeongsang Oh, Kyung Ju Lee, Chris Zaslawski, Albert Yeung, David Rosenthal, Linda Larkey, Michael Back
BACKGROUND: Numerous studies have reported that spending time in nature is associated with the improvement of various health outcomes and well-being. This review evaluated the physical and psychological benefits of a specific type of exposure to nature, forest therapy. METHOD: A literature search was carried out using MEDLINE, PubMed, ScienceDirect, EMBASE, and ProQuest databases and manual searches from inception up to December 2016. Key words: "Forest" or "Shinrin -Yoku" or "Forest bath" AND "Health" or "Wellbeing"...
October 18, 2017: Environmental Health and Preventive Medicine
https://www.readbyqxmd.com/read/29163673/effects-of-pioglitazone-therapy-on-blood-parameters-weight-and-bmi-a-meta-analysis
#15
REVIEW
Elena Filipova, Katya Uzunova, Krassimir Kalinov, Toni Vekov
Background: Type 2 diabetes mellitus (T2DM) is one of the most common diseases worldwide and insulin insufficiency and insulin resistance are two main metabolic issues connected with it. The dyslipidemia associated with insulin resistance and T2DM is characterized by higher triglycerides (TGs), higher very-low-density lipoprotein cholesterol and lower apo A1. Pioglitazone, a member of the thiazolidinedione class, with a proven antihyperglycemic effect, is known to positively influence insulin sensitivity and β-cell function and to have the potential to alter the lipid profile...
2017: Diabetology & Metabolic Syndrome
https://www.readbyqxmd.com/read/29162354/-cryptosporidiosis-a-cause-of-acute-diarrhea-a-review-and-retrospective-study-of-cases-in-rouen-university-hospital-s-pediatrics-department
#16
G Gargala, R Razakandrainibe, D Costa, D Leméteil, C Dumant Forest
Cryptosporidium is the most important diarrhea-causing protozoan parasite, with severe health consequences for very young, malnourished children living in endemic areas and for immunocompromised individuals. Cryptosporidium is widely distributed and disease transmission can occur through person-to-person or animal-to-person contact, or contaminated food or water (drinking or swimming), leading to large outbreaks. The zoonotic Cryptosporidium parvum and the anthroponotic Cryptosporidium hominis are responsible for the majority of human cases...
November 18, 2017: Archives de Pédiatrie: Organe Officiel de la Sociéte Française de Pédiatrie
https://www.readbyqxmd.com/read/29156357/generation-of-complement-molecular-complex-c5b-9-c5b-9-in-response-to-poly-traumatic-hemorrhagic-shock-and-evaluation-of-c5-cleavage-inhibitors-in-non-human-primates
#17
R Madelaine Paredes, Sarah Reyna, Philip Vernon, Douglas K Tadaki, Jurandir J Dallelucca, Forest Sheppard
Severe trauma initiates a systemic inflammatory cascade and that involves early activation of complement and cleavage of C5 into C5a (anaphylatoxin) and C5b (C5b-9 membrane attack complex). We examined activation of C5 in non-human primate (NHP) models of hemorrhagic shock. Blood plasma concentrations of C5b-9 were significantly increased in NHPs in response to hemorrhage alone and were further increased with the addition of tissue trauma. The onset of increased C5 cleavage was accelerated in NHPs that experienced decompensated poly-traumatic hemorrhagic shock...
January 2018: International Immunopharmacology
https://www.readbyqxmd.com/read/29155848/an-electronic-health-record-based-model-predicts-statin-adherence-ldl-cholesterol-and-cardiovascular-disease-in-the-united-states-military-health-system
#18
Joseph E Lucas, Taylor C Bazemore, Celan Alo, Patrick B Monahan, Deepak Voora
HMG-CoA reductase inhibitors (or "statins") are important and commonly used medications to lower cholesterol and prevent cardiovascular disease. Nearly half of patients stop taking statin medications one year after they are prescribed leading to higher cholesterol, increased cardiovascular risk, and costs due to excess hospitalizations. Identifying which patients are at highest risk for not adhering to long-term statin therapy is an important step towards individualizing interventions to improve adherence. Electronic health records (EHR) are an increasingly common source of data that are challenging to analyze but have potential for generating more accurate predictions of disease risk...
2017: PloS One
https://www.readbyqxmd.com/read/29152151/aliskiren-for-heart-failure-a-systematic-review-and-meta-analysis-of-randomized-controlled-trials
#19
Hongzhi Liu, Hongxing Luo, Suqin Wang, Cong Zhang, Jialiang Hao, Chuanyu Gao
Objective: To systematically review and synthesize the currently available evidence of aliskiren for the treatment of heart failure. Materials and Methods: We systematically searched the Cochrane, Embase and PubMed databases to identify the randomized controlled trials (RCT) on the effects of aliskiren on heart failure. Data were synthesized with random effects model and presented in forest plot. Publication bias was evaluated with funnel plot. Heterogeneity was evaluated with Begg's test and Egger's test...
October 20, 2017: Oncotarget
https://www.readbyqxmd.com/read/29146409/safety-and-effectiveness-of-long-term-treatment-with-lurasidone-in-older-adults-with-bipolar-depression-post-hoc-analysis-of-a-6-month-open-label-study
#20
Brent P Forester, Martha Sajatovic, Joyce Tsai, Andrei Pikalov, Josephine Cucchiaro, Antony Loebel
OBJECTIVE: To evaluate the safety and effectiveness of 6 months of treatment with lurasidone in older adults with a diagnosis of bipolar I depression. DESIGN: Post-hoc analysis of a multicenter, 6-month, open-label extension study. SETTING: Outpatient. PARTICIPANTS: Patients aged 55 to 75 years with a DSM-IV-TR diagnosis of bipolar I depression who had completed 6 weeks of double-blind, placebo-controlled treatment with either lurasidone monotherapy (1 study) or adjunctive therapy with lithium or valproate (2 studies)...
October 10, 2017: American Journal of Geriatric Psychiatry
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