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Prediction epidemiology

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https://www.readbyqxmd.com/read/29049205/using-a-novel-t-lymph-node-ratio-model-to-evaluate-the-prognosis-of-nonmetastatic-breast-cancer-patients-who-received-preoperative-radiotherapy-followed-by-mastectomy-an-observational-study
#1
Yang Wang, Yuanyuan Zhao, Song Liu, Weifang Tang, Hong Gao, Xucai Zheng, Shikai Hong, Shengying Wang
We aimed to investigate the prognostic value of postpathological characters in nonmetastatic breast cancer (NMBC) patients who received preoperative radiotherapy (PRT) followed by mastectomy (MAST).We conducted retrospective analyses using the data collected from the Surveillance, Epidemiology, and End Results program of the National Cancer Institute. Univariate and multivariate analyses were performed to identify prognostic factors. Disease-specific survival was calculated by the Kaplan-Meier curve and validated by log rank test...
October 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29045735/seasonal-variation-and-dengue-burden-in-paediatric-patients-in-new-delhi
#2
Manas Pratim Roy, Ratan Gupta, Nidhi Chopra, Satish Kumar Meena, Kailash Chander Aggarwal
Objective: We conducted a study to find a relationship between main weather parameters with admission of positive dengue cases in a tertiary hospital. Methods: Retrospective analysis was undertaken to identify epidemiological trend of dengue in 2016 from paediatric wards of a tertiary hospital in New Delhi. Data were collected on patient particulars and daily weather from January to December 2016. Results: A total of 266 confirmed cases of dengue were considered...
October 17, 2017: Journal of Tropical Pediatrics
https://www.readbyqxmd.com/read/29045712/hospice-utilization-in-patients-with-malignant-gliomas
#3
Deborah Forst, Eric Adams, Ryan Nipp, Allison Martin, Areej El-Jawahri, Ayal Aizer, Justin T Jordan
BACKGROUND: Despite recommendations from professional organizations supporting early hospice enrollment for patients with cancer, little research exists regarding end-of-life (EOL) practices for patients with malignant gliomas (MG). We evaluated rates and correlates of hospice enrollment and hospice length-of-stay (LOS) among patients with MG. METHODS: Using the Surveillance, Epidemiology and End Results (SEER)-Medicare linked database, we identified adult patients who were diagnosed with MG from January 1, 2002 to December 31, 2011 and who died before December 31, 2012...
October 16, 2017: Neuro-oncology
https://www.readbyqxmd.com/read/29045189/effect-of-climatic-variables-on-abundance-and-dispersal-of-lecanosticta-acicola-spores-and-impact-of-defoliation-on-eastern-white-pine
#4
Stephen Wyka, Cameron Mcintyre, Cheryl Smith, Isabel Munck, Barret Rock, Heidi Asbjornsen, Kirk Broders
The disease complex white pine needle damage (WPND), first reported in 2006, has now escalated to an epidemic state across the northeastern U.S. Although this complex is composed of several fungal species, Lecanosticta acicola is considered to be the primary causal agent. Knowledge regarding the epidemiology, specific climatic factors that affect the spread of L. acicola on eastern white pine (Pinus strobus) in natural forest settings, and the potential risks repeated defoliation may have on tree health is limited...
October 18, 2017: Phytopathology
https://www.readbyqxmd.com/read/29044887/quantitative-mapping-of-genetic-similarity-in-human-heritable-diseases-by-shared-mutations
#5
Huiying Zhao, Yuedong Yang, Yutong Lu, Matthew Mort, David N Cooper, Zhiyi Zuo, Yaoqi Zhou
Many genetic diseases exhibit considerable epidemiological comorbidity and common symptoms, which provokes debate about the extent of their etiological overlap. The rapid growth in the number of known disease-causing mutations in the Human Gene Mutation Database (HGMD) has allowed us to characterise genetic similarities between diseases by ascertaining the extent to which identical genetic mutations are shared between diseases. Using this approach, we show that 41.6% of disease pairs in all possible pairs (42, 083) exhibit a significant sharing of mutations (P-value < 0...
October 17, 2017: Human Mutation
https://www.readbyqxmd.com/read/29044435/impact-of-clinical-parameters-in-the-intrahost-evolution-of-hiv-1-subtype-b-in-pediatric-patients-a-machine-learning-approach
#6
Patricia Rojas Sánchez, Alberto Cobos, Marisa Navaro, José Tomas Ramos, Israel Pagán, África Holguín
Determining the factors modulating the genetic diversity of HIV-1 populations is essential to understand viral evolution. This study analyzes the relative importance of clinical factors in the intrahost HIV-1 subtype B (HIV-1B) evolution and in the fixation of drug resistance mutations (DRM) during longitudinal pediatric HIV-1 infection. We recovered 162 partial HIV-1B pol sequences (from 3 to 24 per patient) from 24 perinatally infected patients from the Madrid Cohort of HIV-1 infected children and adolescents in a time interval ranging from 2...
October 1, 2017: Genome Biology and Evolution
https://www.readbyqxmd.com/read/29044306/biomarkers-of-renal-recovery-after-acute-kidney-injury
#7
Sérgio Mina Gaião, José Artur Osório de Carvalho Paiva
Novel biomarkers can be suitable for early acute kidney injury diagnosis and the prediction of the need for dialysis. It remains unclear whether such biomarkers may also play a role in the prediction of recovery after established acute kidney injury or in aiding the decision of when to stop renal support therapy. PubMed, Web of Science and Google Scholar were searched for studies that reported on the epidemiology of renal recovery after acute kidney injury, the risk factors of recovery versus non-recovery after acute kidney injury, and potential biomarkers of acute kidney injury recovery...
July 2017: Revista Brasileira de Terapia Intensiva
https://www.readbyqxmd.com/read/29038615/red-blood-cell-distribution-width-a-novel-predictive-indicator-for-cardiovascular-and-cerebrovascular-diseases
#8
REVIEW
Ning Li, Heng Zhou, Qizhu Tang
The red blood cell distribution width (RDW) obtained from a standard complete blood count (CBC) is a convenient and inexpensive biochemical parameter representing the variability in size of circulating erythrocytes. Over the past few decades, RDW with mean corpuscular volume (MCV) has been used to identify quite a few hematological system diseases including iron-deficiency anemia and bone marrow dysfunction. In recent years, many clinical studies have proved that the alterations of RDW levels may be associated with the incidence and prognosis in many cardiovascular and cerebrovascular diseases (CVDs)...
2017: Disease Markers
https://www.readbyqxmd.com/read/29036363/predictive-ability-of-intermittent-daily-sickle-cell-pain-assessment-the-pisces-project
#9
Wally R Smith, Donna K McClish, James Levenson, Imoigele Aisiku, Bassam Dahman, Viktor E Bovbjerg, Susan Roseff, John Roberts
Background: Pain diary assessment in sickle cell disease (SCD) may be expensive and impose a high respondent burden. Objective: To report whether intermittent assessment could substitute for continuous daily pain assessment in SCD. Design: Prospective cohort study. Setting: Academic and community practices in Virginia. Patients: A total of 125 SCD patients age 16 years or older in the Pain in Sickle Cell Epidemiology Study...
September 26, 2017: Pain Medicine: the Official Journal of the American Academy of Pain Medicine
https://www.readbyqxmd.com/read/29035711/childhood-adversity-social-support-and-telomere-length-among-perinatal-women
#10
Amanda M Mitchell, Jennifer M Kowalsky, Elissa S Epel, Jue Lin, Lisa M Christian
Adverse perinatal health outcomes are heightened among women with psychosocial risk factors, including childhood adversity and a lack of social support. Biological aging could be one pathway by which such outcomes occur. However, data examining links between psychosocial factors and indicators of biological aging among perinatal women are limited. The current study examined the associations of childhood socioeconomic status (SES), childhood trauma, and current social support with telomere length in peripheral blood mononuclear cells (PBMCs) in a sample of 81 women assessed in early, mid, and late pregnancy as well as 7-11 weeks postpartum...
October 5, 2017: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/29035332/random-network-models-to-predict-the-long-term-impact-of-hpv-vaccination-on-genital-warts
#11
Javier Díez-Domingo, Víctor Sánchez-Alonso, Rafael-J Villanueva, Luis Acedo, José-Antonio Moraño, Javier Villanueva-Oller
The Human papillomaviruses (HPV) vaccine induces a herd immunity effect in genital warts when a large number of the population is vaccinated. This aspect should be taken into account when devising new vaccine strategies, like vaccination at older ages or male vaccination. Therefore, it is important to develop mathematical models with good predictive capacities. We devised a sexual contact network that was calibrated to simulate the Spanish epidemiology of different HPV genotypes. Through this model, we simulated the scenario that occurred in Australia in 2007, where 12-13 year-old girls were vaccinated with a three-dose schedule of a vaccine containing genotypes 6 and 11, which protect against genital warts, and also a catch-up program in women up to 26 years of age...
October 16, 2017: Viruses
https://www.readbyqxmd.com/read/29034308/cost-effectiveness-analysis-study-of-hpv-testing-as-a-primary-cervical-cancer-screening-in-thailand
#12
Wichai Termrungruanglert, Nipon Khemapech, Tanitra Tantitamit, Suleeporn Sangrajrang, Piyalamporn Havanond, Piyawat Laowahutanont
OBJECTIVES: The aim of this study is to compare the cost and benefit of four different cervical cancer screening strategies involving primary HPV 16/18 genotyping, hrHPV testing alone and cytology for detecting CIN2 +. METHODS: Economical analysis using Markov modeling approach to combine the epidemiological data from current population-based study of The National Cancer Institute of Thailand. A cohort of 100,000 hypothetical female population age 30-65 years was simulated in each strategy...
November 2017: Gynecologic Oncology Reports
https://www.readbyqxmd.com/read/29032900/in-silico-vaccine-strain-prediction-for-human-influenza-viruses
#13
REVIEW
Thorsten R Klingen, Susanne Reimering, Carlos A Guzmán, Alice C McHardy
Vaccines preventing seasonal influenza infections save many lives every year; however, due to rapid viral evolution, they have to be updated frequently to remain effective. To identify appropriate vaccine strains, the World Health Organization (WHO) operates a global program that continually generates and interprets surveillance data. Over the past decade, sophisticated computational techniques, drawing from multiple theoretical disciplines, have been developed that predict viral lineages rising to predominance, assess their suitability as vaccine strains, link genetic to antigenic alterations, as well as integrate and visualize genetic, epidemiological, structural, and antigenic data...
October 9, 2017: Trends in Microbiology
https://www.readbyqxmd.com/read/29031827/development-of-a-surgical-site-infection-prediction-model-in-orthopaedic-trauma-the-denver-health-model
#14
Sara M Reese, Bryan Knepper, Heather L Young, Cyril Mauffrey
BACKGROUND: The CDC's National Healthcare Safety Network's (NHSN) current risk adjustment model for surgical site infections (SSI) following open reduction internal fixation (ORIF) of long bone fractures is a suboptimal predictor of risk. We hypothesized that by including variables known to be associated with SSI following ORIF, we would develop a model that would increase the accuracy and predictability of SSI risk. METHODS: Patients who underwent ORIF of a long bone between January 1, 2012 and December 31, 2014 were included in the study (n=1543)...
October 9, 2017: Injury
https://www.readbyqxmd.com/read/29031659/validity-of-skin-cancer-malignancy-reporting-to-the-organ-procurement-transplant-network-a-cohort-study
#15
Giorgia L Garrett, Joyce T Yuan, Thuzar M Shin, Sarah T Arron
BACKGROUND: The Organ Procurement Transplant Network (OPTN) registry collects data on posttransplant malignancies in solid organ transplant recipients. Complete and accurate registry data on skin cancer is critical for research on epidemiology and interventions. OBJECTIVE: The study goal was to determine the validity of Organ Procurement Transplant Network skin cancer data. METHODS: This cohort study compared reporting of posttransplant squamous cell carcinoma (SCC) and malignant melanoma (MM) in OPTN to medical-record review-derived data from the Transplant Skin Cancer Network (TSCN) database...
October 11, 2017: Journal of the American Academy of Dermatology
https://www.readbyqxmd.com/read/29030788/viral-richness-is-positively-related-to-group-size-but-not-mating-system-in-bats
#16
Quinn M R Webber, Quinn E Fletcher, Craig K R Willis
Characterizing host traits that influence viral richness and diversification is important for understanding wildlife pathogens affecting conservation and/or human health. Behaviors that affect contact rates among hosts could be important for viral diversification because more frequent intra- and inter-specific contacts among hosts should increase the potential for viral diversification within host populations. We used published data on bats to test the contact-rate hypothesis. We predicted that species forming large conspecific groups, that share their range with more heterospecifics (i...
October 13, 2017: EcoHealth
https://www.readbyqxmd.com/read/29029950/survival-of-idiopathic-pulmonary-arterial-hypertension-patients-in-the-modern-era-in-australia-and-new-zealand
#17
Geoff Strange, Edmund M Lau, Eleni Giannoulatou, Carolyn Corrigan, Eugene Kotlyar, Fiona Kermeen, Trevor Williams, David S Celermajer, Nathan Dwyer, Helen Whitford, Jeremy P Wrobel, John Feenstra, Melanie Lavender, Kenneth Whyte, Nicholas Collins, Peter Steele, Susanna Proudman, Vivek Thakkar, Dominic Keating, Anne Keogh
BACKGROUND: Epidemiology and treatment strategies continue to evolve in pulmonary arterial hypertension (PAH). We sought to define the characteristics and survival of patients with idiopathic, heritable and drug-induced PAH in the current management era. METHODS: Consecutive cases of idiopathic, heritable and drug-induced PAH were prospectively enrolled into an Australian and New Zealand Registry. RESULTS: Between January 2012 and December 2016, a total of 220 incident cases were enrolled (mean age 57...
September 20, 2017: Heart, Lung & Circulation
https://www.readbyqxmd.com/read/29029609/modelling-the-implications-of-stopping-vector-control-for-malaria-control-and-elimination
#18
Joshua O Yukich, Nakul Chitnis
BACKGROUND: Increasing coverage of malaria vector control interventions globally has led to significant reductions in disease burden. However due to its high recurrent cost, there is a need to determine if and when vector control can be safely scaled back after transmission has been reduced. METHODS AND FINDINGS: A mathematical model of Plasmodium falciparum malaria epidemiology was simulated to determine the impact of scaling back vector control on transmission and disease...
October 13, 2017: Malaria Journal
https://www.readbyqxmd.com/read/29029156/detailed-transmission-network-analysis-of-a-large-opiate-driven-outbreak-of-hiv-infection-in-the-united-states
#19
Ellsworth M Campbell, Hongwei Jia, Anupama Shankar, Debra Hanson, Wei Luo, Silvina Masciotra, S Michele Owen, Alexandra M Oster, Romeo R Galang, Michael W Spiller, Sara J Blosser, Erika Chapman, Jeremy C Roseberry, Jessica Gentry, Pamela Pontones, Joan Duwve, Paula Peyrani, Ron M Kagan, Jeannette M Whitcomb, Philip J Peters, Walid Heneine, John T Brooks, William M Switzer
In January 2015, an outbreak of undiagnosed human immunodeficiency virus (HIV) infections among persons who inject drugs (PWID) was recognized in rural Indiana. By September 2016, 205 persons in this community of approximately 4400 had received a diagnosis of HIV infection. We report results of new approaches to analyzing epidemiologic and laboratory data to understand transmission during this outbreak. HIV genetic distances were calculated using the polymerase region. Networks were generated using data about reported high-risk contacts, viral genetic similarity, and their most parsimonious combinations...
October 5, 2017: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/29027825/cost-effectiveness-of-carfilzomib-plus-dexamethasone-compared-with-bortezomib-plus-dexamethasone-for-patients-with-relapsed-or-refractory-multiple-myeloma-in-the-united-states
#20
Andrzej J Jakubowiak, Ivan Houisse, István Májer, Ágnes Benedict, Marco Campioni, Sumeet Panjabi, Sikander Ailawadhi
BACKGROUND: We assessed the economic value of carfilzomib 56 mg/m(2) and dexamethasone (Kd56) vs bortezomib and dexamethasone (Vd) for relapsed/refractory multiple myeloma (R/RMM) using ENDEAVOR trial results. RESEARCH DESIGN AND METHODS: Cost-effectiveness of Kd56 vs Vd was assessed using a partitioned survival model by estimating progression-free survival, overall survival, and direct costs over a lifetime horizon. Surveillance Epidemiology and End Results (SEER) survival data were extrapolated after matching registry and ENDEAVOR patients...
October 13, 2017: Expert Review of Hematology
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