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Stratification epidemiology

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https://www.readbyqxmd.com/read/28229201/-sudden-cardiac-death-epidemiology-pathophysiology-and-risk-stratification
#1
B Rudic, E Tülümen, V Liebe, J Kuschyk, I Akin, M Borggrefe
Sudden cardiac death (SCD) remains a major public health burden despite revolutionary progress in the last three decades in the treatment of ventricular tachyarrhythmia with the use of implantable cardioverter defibrillator (ICD) therapy. Survivors of sudden cardiac arrest are at high risk for recurrent tachyarrhythmia events. Early recognition of low left ventricular ejection fractions (≤35%) as a strong predictor of mortality and the causal association between ventricular tachyarrhythmia and SCD has led to a significant development of not only pharmacological antiarrhythmic therapy but also device-based prevention of SCD...
February 22, 2017: Herz
https://www.readbyqxmd.com/read/28213792/validation-of-the-american-joint-commission-on-cancer-ajcc-8th-edition-staging-system-for-patients-with-pancreatic-adenocarcinoma-a-surveillance-epidemiology-and-end-results-seer-analysis
#2
Sivesh K Kamarajah, William R Burns, Timothy L Frankel, Clifford S Cho, Hari Nathan
BACKGROUND: The 8th edition of the AJCC staging system for pancreatic cancer incorporated several significant changes. This study sought to evaluate this staging system and assess its strengths and weaknesses relative to the 7th edition AJCC staging system. METHODS: Using the Surveillance, Epidemiology and End Results (SEER) database (2004-2013), 8960 patients undergoing surgical resection for non-metastatic pancreatic adenocarcinoma were identified. Overall survival was estimated using the Kaplan-Meier method and compared using log-rank tests...
February 17, 2017: Annals of Surgical Oncology
https://www.readbyqxmd.com/read/28202224/the-metastatic-potential-of-renal-tumors-influence-of-histologic-subtypes-on-definition-of-small-renal-masses-risk-stratification-and-future-active-surveillance-protocols
#3
Michael Daugherty, Dillon Sedaghatpour, Oleg Shapiro, Srinivas Vourganti, Alexander Kutikov, Gennady Bratslavsky
OBJECTIVE: The influence of histology in metastatic potential is often overlooked when discussing the management options of small renal masses (SRM), with size or growth rate often serving as the triggers for the intervention. We aim to re-examine the definition of a SRM by evaluating the metastatic potential of renal masses incorporating tumor size and histology to create metastatic risk tables. MATERIALS AND METHODS: Surveillance Epidemiology and End Results (SEER)-18 registries database was queried for all cases of clear cell, papillary, and chromophobe renal cell carcinoma (RCC) diagnosed between 2004 and 2012...
February 12, 2017: Urologic Oncology
https://www.readbyqxmd.com/read/28196109/associations-between-pon1-enzyme-activities-in-human-ovarian-follicular-fluid-and-serum-specimens
#4
Keewan Kim, Michael S Bloom, Victor Y Fujimoto, Richard W Browne
The importance of high-density lipoprotein (HDL) particle components to reproduction is increasingly recognized, including the constituent paraoxonase 1 (PON1). However, the reliability characteristics of PON1 enzymes in ovarian follicular fluid (FF) as biomarkers for clinical and epidemiologic studies have not been described. Therefore, we characterized PON1 enzymes in FF and serum and assessed the impact of the PON1 Q192R polymorphism on associations between enzyme activities in two compartments. We also evaluated associations between HDL particle size and enzyme activities...
2017: PloS One
https://www.readbyqxmd.com/read/28160087/nationwide-survey-of-bk-polyomavirus-associated-hemorrhagic-cystitis-in-adult-allogeneic-stem-cell-transplantation-among-haematologists-and-urologists
#5
Laila Schneidewind, Thomas Neumann, Jennifer Kranz, Florian Knoll, Alexandre Egon Pelzer, Christian Schmidt, William Krüger
There are no epidemiological data on BK virus associated hemorrhagic cystitis (BKHC) in adult allogeneic stem cell transplantation in Germany available and associations with clinical conditions like GvHD are controversially discussed. Therefore, we conducted a nationwide survey among haematologists and urologists about this disease. We developed two questionnaires, one for haematologists (26 items) and one for urologists (20 items) concerning BKHC in adult allogeneic stem cell transplantation with epidemiological data and clinical implications...
February 3, 2017: Annals of Hematology
https://www.readbyqxmd.com/read/28142287/overview-and-recent-advances-in-the-treatment-of-neuroblastoma
#6
Sarah B Whittle, Valeria Smith, Erin Doherty, Sibo Zhao, Scott McCarty, Peter E Zage
Children with neuroblastoma have widely divergent outcomes, ranging from cure in >90% of patients with low risk disease to <50% for those with high risk disease. Recent research has shed light on the biology of neuroblastoma, allowing for more accurate risk stratification and treatment reduction in many cases, although newer treatment strategies for children with high-risk and relapsed neuroblastoma are needed to improve outcomes. Areas Covered: Neuroblastoma epidemiology, diagnosis, risk stratification, and recent advances in treatment of both newly diagnosed and relapsed neuroblastoma...
February 1, 2017: Expert Review of Anticancer Therapy
https://www.readbyqxmd.com/read/28122078/atrial-fibrillation-type-2-diabetes-and-non-vitamin-k-antagonist-oral-anticoagulants-a-review
#7
Anna Plitt, Darren K McGuire, Robert P Giugliano
Importance: Atrial fibrillation (AF) is the most common cardiac arrhythmia and is associated with a 5-fold increase in the risk for stroke. Type 2 diabetes is an independent risk factor for both stroke and atrial fibrillation, and in the setting of AF, type 2 diabetes is independently associated with a 2% to 3.5% increase in absolute stroke rate per year. The overlap in the pathophysiologies of AF and type 2 diabetes are not well understood, and current practice guidelines provide few recommendations regarding patients with both conditions...
January 25, 2017: JAMA Cardiology
https://www.readbyqxmd.com/read/28119276/epidemiology-of-patient-harms-in-new-zealand-protocol-of-a-general-practice-records-review-study
#8
Susan M Dovey, Sharon Leitch, Katharine A Wallis, Kyle S Eggleton, Wayne K Cunningham, Martyn I Williamson, Steven Lillis, Andrew W McMenamin, Murray W Tilyard, David M Reith, Ari Samaranayaka, Jason E Hall
BACKGROUND: Knowing where and why harm occurs in general practice will assist patients, doctors, and others in making informed decisions about the risks and benefits of treatment options. Research to date has been unable to verify the safety of primary health care and epidemiological research about patient harms in general practice is now a top priority for advancing health systems safety. OBJECTIVE: We aim to study the incidence, distribution, severity, and preventability of the harms patients experience due to their health care, from the whole-of-health-system lens afforded by electronic general practice patient records...
January 24, 2017: JMIR Research Protocols
https://www.readbyqxmd.com/read/28115080/observational-research-using-propensity-scores
#9
REVIEW
Karthik Raghunathan, J Bradley Layton, Tetsu Ohnuma, Andrew D Shaw
In most observational studies, treatments or other "exposures" (in an epidemiologic sense) do not occur at random. Instead, treatments or other such interventions depend on several patient-related and patient-independent characteristics. Such factors, associated with the receipt vs nonreceipt of treatment, may also be-independently-associated with outcomes. Thus, confounding exists making it difficult to ascertain the true association between treatments and outcomes. Propensity scores (PS) represent an intuitive set of approaches to reduce the influence of such "confounding" factors...
November 2016: Advances in Chronic Kidney Disease
https://www.readbyqxmd.com/read/28110571/-an-audit-of-the-hungarian-philadelphia-negative-chronic-myeloproliferative-neoplasia-registry-evaluation-of-the-essential-thrombocythaemic-patients
#10
Péter Dombi, Árpád Illés, Judit Demeter, Lajos Homor, Zsófia Simon, Miklós Udvardy, Éva Karádi, Ádám Kellner, Miklós Egyed
INTRODUCTION: In order to establish and use a national registry, several Hungarian hematology centers collected data of myeloproliferative neoplasia patients. AIM: The recent publication is an analysis of the data of registered essential thrombocythaemic patients. METHOD: an online electronic registry has been established, using 2008 World Health Organization's diagnostic criteria and thrombotic risk was evaluated according to Landolfi stratification...
January 2017: Orvosi Hetilap
https://www.readbyqxmd.com/read/28107120/treatment-of-diabetic-autonomic-neuropathy-in-older-adults-with-diabetes-mellitus
#11
Nataliya Scheinberg, Rebecca L Salbu, Gayotri Goswami, Kenneth Cohen
OBJECTIVE: To review the epidemiology, pathophysiology, screening and diagnosis, and optimal treatment of diabetic autonomic neuropathy (DAN) and its implications in older adults. DATA SOURCES, STUDY SELECTION, DATA EXTRACTION, DATA SYNTHESIS: A search of PubMed using the Mesh terms "diabetes," "type 1," "insulin-dependent," "T1DM," and "diabetic autonomic neuropathy" was performed to find relevant primary literature. Additional search terms "epidemiology," "geriatric," and "risk" were employed...
November 1, 2016: Consultant Pharmacist: the Journal of the American Society of Consultant Pharmacists
https://www.readbyqxmd.com/read/28104602/happiness-rather-than-depression-is-associated-with-sexual-behaviour-in-partnered-older-adults
#12
Rosanne Freak-Poli, Gustavo De Castro Lima, Nese Direk, Loes Jaspers, Marian Pitts, Albert Hofman, Henning Tiemeier
BACKGROUND: the relation between positive psychological well-being (PPWB) and sexual behaviour is understudied in older adult groups. OBJECTIVE: to examine the relation between PPWB (positive affect and life satisfaction) and sexual behaviour (sexual activity and physical tenderness) in older adults, and whether it is independent from depressive symptoms and uniform across older age groups. DESIGN: cross-sectional. SETTING: community-dwelling adults aged 65 years or older, Rotterdam, The Netherlands...
October 25, 2016: Age and Ageing
https://www.readbyqxmd.com/read/28093420/incidence-of-venous-thromboembolism-in-care-homes-a-prospective-cohort-study
#13
Patricia N Apenteng, Fd Richard Hobbs, Andrea Roalfe, Usman Muhammad, Carl Heneghan, David Fitzmaurice
BACKGROUND: Care home residents have venous thromboembolism (VTE) risk profiles similar to medical inpatients; however, the epidemiology of VTE in care homes is unclear. AIM: To determine the incidence of VTE in care homes. DESIGN AND SETTING: Observational cohort study of 45 care homes in Birmingham and Oxford, UK. METHOD: A consecutive sample of care home residents was enrolled and followed up for 12 months. Data were collected via case note reviews of care home and GP records; mortality information was supplemented with Health and Social Care Information Centre (now called NHS Digital) cause of death data...
February 2017: British Journal of General Practice: the Journal of the Royal College of General Practitioners
https://www.readbyqxmd.com/read/28073552/ciguatera-fish-poisoning-incidence-health-costs-and-risk-perception-on-moorea-island-society-archipelago-french-polynesia
#14
Ewen Morin, Clémence Gatti, Tamatoa Bambridge, Mireille Chinain
Ciguatera Fish Poisoning (CFP) is a non-bacterial seafood poisoning well characterized in the remote archipelagos of French Polynesia, yet poorly documented in the Society archipelago, most notably on Moorea, the second most populated island in French Polynesia, which counts a high proportion of fishermen fishing on a regular basis. To address this knowledge gap, a holistic study of the ciguatera issue was conducted on Moorea. First, ciguatera risk was analysed in terms of incidence rate, fish species most commonly involved and risk stratification in Moorea lagoon based on 2007-2013 epidemiological data...
December 2016: Harmful Algae
https://www.readbyqxmd.com/read/28053228/diverse-evolutionary-patterns-of-pneumococcal-antigens-identified-by-pangenome-wide-immunological-screening
#15
Nicholas J Croucher, Joseph J Campo, Timothy Q Le, Xiaowu Liang, Stephen D Bentley, William P Hanage, Marc Lipsitch
Characterizing the immune response to pneumococcal proteins is critical in understanding this bacterium's epidemiology and vaccinology. Probing a custom-designed proteome microarray with sera from 35 healthy US adults revealed a continuous distribution of IgG affinities for 2,190 potential antigens from the species-wide pangenome. Reproducibly elevated IgG binding was elicited by 208 "antibody binding targets" (ABTs), which included 109 variants of the diverse pneumococcal surface proteins A and C (PspA and PspC) and zinc metalloprotease A and B (ZmpA and ZmpB) proteins...
January 17, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28035253/colon-adenoma-features-and-their-impact-on-risk-of-future-advanced-adenomas-and-colorectal-cancer
#16
Audrey H Calderwood, Karen E Lasser, Hemant K Roy
AIM: To review the evidence on the association between specific colon adenoma features and the risk of future colonic neoplasia [adenomas and colorectal cancer (CRC)]. METHODS: We performed a literature search using the National Library of Medicine through PubMed from 1/1/2003 to 5/30/2015. Specific Medical Subject Headings terms (colon, colon polyps, adenomatous polyps, epidemiology, natural history, growth, cancer screening, colonoscopy, CRC) were used in conjunction with subject headings/key words (surveillance, adenoma surveillance, polypectomy surveillance, and serrated adenoma)...
December 15, 2016: World Journal of Gastrointestinal Oncology
https://www.readbyqxmd.com/read/28011419/implications-of-the-new-sepsis-definition-on-research-and-practice
#17
EDITORIAL
Brian C Peach
INTRODUCTION: The Society of Critical-Care Medicine and the European Society of Intensive Care Medicine recently announced a marked change in the sepsis definition. A task force of 19 sepsis clinicians and researchers made the change based on advances in the pathobiological understanding of the septic process. SUMMARY OF CHANGE: The task force determined that there were numerous justifications for a revision of the sepsis definition, which are outlined in this article...
November 24, 2016: Journal of Critical Care
https://www.readbyqxmd.com/read/27986877/prevalence-and-incidence-of-epilepsy-a-systematic-review-and-meta-analysis-of-international-studies
#18
Kirsten M Fiest, Khara M Sauro, Samuel Wiebe, Scott B Patten, Churl-Su Kwon, Jonathan Dykeman, Tamara Pringsheim, Diane L Lorenzetti, Nathalie Jetté
OBJECTIVE: To review population-based studies of the prevalence and incidence of epilepsy worldwide and use meta-analytic techniques to explore factors that may explain heterogeneity between estimates. METHODS: The Preferred Reporting Items for Systematic Reviews and Meta-Analyses standards were followed. We searched MEDLINE and EMBASE for articles published on the prevalence or incidence of epilepsy since 1985. Abstract, full-text review, and data abstraction were conducted in duplicate...
January 17, 2017: Neurology
https://www.readbyqxmd.com/read/27978785/the-five-pediatric-cancers-update-on-genetic-implications
#19
Stacy Cooper, Jeffrey Rubens, Joann Bodurtha
Pediatric cancer has undergone significant improvements in survival over the past several decades, in part due to a better understanding of the underlying genetic aberrations of each oncologic diagnosis, which has allowed for more effective targeted therapies. Pediatric brain tumors, leukemia, lymphoma, Wilms tumor, and retinoblastoma are exemplary pediatric cancers that each have specific epidemiology regarding children at risk as well as characteristic associated genetic lesions. These genetic features are more commonly being used to provide risk stratification, as well as to identify novel pathways for targeted therapy...
December 13, 2016: Current Pediatric Reviews
https://www.readbyqxmd.com/read/27964792/cardiovascular-disease-in-inflammatory-rheumatic-diseases
#20
REVIEW
Santos Castañeda, Michael T Nurmohamed, Miguel A González-Gay
Chronic inflammatory rheumatic diseases (IRD), including rheumatoid arthritis, ankylosing spondylitis, and psoriatic arthritis, are prevalent conditions worldwide, with a considerable burden on healthcare systems. They are associated with increased cardiovascular (CV) morbidity and mortality. In this review, we focused on the epidemiology, traditional CV risk factors, genetics, and the link between chronic inflammation, atherosclerosis, and CV disease. Remarkably, patients with IRD have higher vulnerability to atheromatous plaques...
October 2016: Best Practice & Research. Clinical Rheumatology
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