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https://www.readbyqxmd.com/read/29045456/inference-of-epidemiological-parameters-from-household-stratified-data
#1
James N Walker, Joshua V Ross, Andrew J Black
We consider a continuous-time Markov chain model of SIR disease dynamics with two levels of mixing. For this so-called stochastic households model, we provide two methods for inferring the model parameters-governing within-household transmission, recovery, and between-household transmission-from data of the day upon which each individual became infectious and the household in which each infection occurred, as might be available from First Few Hundred studies. Each method is a form of Bayesian Markov Chain Monte Carlo that allows us to calculate a joint posterior distribution for all parameters and hence the household reproduction number and the early growth rate of the epidemic...
2017: PloS One
https://www.readbyqxmd.com/read/29045025/do-pre-operative-oral-antibiotics-increase-clostridium-difficile-infection-rates-an-analysis-of-13-959-colectomy-patients
#2
Muralidharan Parthasarathy, David Bowers, Thomas Groot-Wassink
AIM: The aim of this study was to determine whether or not preoperative oral antibiotic preparation (POAP) increases the rate of Clostridium difficile colitis (CDC) in patients undergoing colectomy. METHOD: In 2015, data for colectomies had been collected prospectively and recorded in the targeted colectomy option of the American College of Surgeons National Surgical Quality Improvement Program (ACS NSQIP). This was available for retrospective analysis. Data available for analysis included elective and emergency status, POAP, surgical approach, primary anastomosis and CDC status...
October 16, 2017: Colorectal Disease: the Official Journal of the Association of Coloproctology of Great Britain and Ireland
https://www.readbyqxmd.com/read/29042170/safety-of-ct-guided-bone-marrow-biopsy-in-thrombocytopenic-patients-a-retrospective-review
#3
Bo Liu, Joseph Limback, Melissa Kendall, Michael Valente, Jamil Armaly, Vincent Grekoski, Alex Pinizzotto, Jeremy Burt, Thomas J Ward
PURPOSE: To test the hypothesis that computed tomography (CT)-guided bone marrow biopsy in patients with a platelet count between 20,000/uL and 50,000/uL is safe and that preprocedure platelet transfusion is unnecessary. MATERIALS AND METHODS: This single-center retrospective study included bone marrow biopsies performed between May 2009 and May 2016. The study population included 981 patients-age range, 15-93 years; average age, 57 years; 505 (51.5%) men; and 476 (48...
October 14, 2017: Journal of Vascular and Interventional Radiology: JVIR
https://www.readbyqxmd.com/read/29040606/pinopode-score-around-the-time-of-implantation-is-predictive-of-successful-implantation-following-frozen-embryo-transfer-in-hormone-replacement-cycles
#4
X Y Jin, L J Zhao, D H Luo, L Liu, Y D Dai, X X Hu, Y Y Wang, X Lin, F Hong, T C Li, S Y Zhang
STUDY QUESTION: Is pinopode measurement of any prognostic value? SUMMARY ANSWER: Pinopode expression was significantly associated with the occurrence of pregnancy after frozen embryo transfer. WHAT IS KNOWN ALREADY: Pinopodes are expressed in the endometrium during the implantation period. Pinopode measurement has been proposed as a marker of endometrial receptivity. STUDY DESIGN, SIZE, DURATION: A prospective cohort study was conducted at the Center of Reproductive Medicine, Sir Run Run Shaw Hospital, between 2014 and 2016, recruiting 172 women with infertility and undergoing frozen embryo transfer following IVF treatment...
October 13, 2017: Human Reproduction
https://www.readbyqxmd.com/read/29040545/ethnicity-and-place-the-geography-of-diabetes-inequalities-under-a-strong-welfare-state
#5
Elias Nosrati, Anne Karen Jenum, Anh Thi Tran, Sir Michael Marmot, Lawrence Peter King
Background: The Nordic 'health paradox' designates the seemingly puzzling empirical reality in which, despite the presence of strong welfare policies targeting structural inequalities, distinct health disparities persist in Scandinavian societies. In Norway, previous research has shown that inequalities in diabetes prevalence are particularly salient, notably between ethnic groups. These have often been attributed to lifestyle, socioeconomic factors, or genetics. No previous research has sought to investigate the sociospatial mediation of diabetes inequities...
October 10, 2017: European Journal of Public Health
https://www.readbyqxmd.com/read/29039626/an-appreciation-of-sir-adrian-peter-bird-winner-of-the-charles-rodolphe-brupbacher-prize-for-cancer-research-2017
#6
Josef Jiricny
No abstract text is available yet for this article.
October 17, 2017: Swiss Medical Weekly
https://www.readbyqxmd.com/read/29039533/sirt1-activation-by-resveratrol-reduces-brain-edema-and-neuronal-apoptosis-in-an-experimental-rat-subarachnoid-hemorrhage-model
#7
Cong Qian, Jianxiang Jin, Jingyin Chen, Jianru Li, Xiaobo Yu, Hangbo Mo, Gao Chen
Early brain injury is considered to be a major risk that is related to the prognosis of subarachnoid hemorrhage (SAH). In SAH model rats, brain edema and apoptosis have been closely related with death rate and neurological function. Sirtuin 1 (SIRT1) was reported to be involved in apoptosis in cerebral ischemia and brain tumor formation through p53 deacetylation. The present study aimed to evaluate the role of SIRT1 in a rat endovascular perforation model of SAH. The SIRT1 activator resveratrol (RES) was administered 48 h prior to SAH induction and the SIRT1 inhibitor Sirtinol (SIR) was used to reverse the effects of RES on SIRT1 expression...
October 12, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29039234/risk-of-development-of-second-primary-head-and-neck-cancer-following-an-index-breast-cancer
#8
Jessica Yesensky, Alexandra Kyrillos, Kristine Kuchta, Katharine Yao, Chi-Hsiung Wang, Mihir K Bhayani
Objective Many head and neck cancers (HNCs) have genomic features seen in breast malignancy. We sought to analyze the risk of second primary HNC following an index breast cancer. Study Design Retrospective cohort study. Setting National database from the SEER registry (Surveillance, Epidemiology, and End Results). Subjects and Methods Within the SEER database, 223,423 women diagnosed with index breast cancer from 1992 to 2002 were identified. We calculated standard incidence ratios (SIRs) for all head and neck sites with 10-year follow-up...
October 1, 2017: Otolaryngology—Head and Neck Surgery
https://www.readbyqxmd.com/read/29037526/sirs-in-the-time-of-sepsis-3
#9
Steven Q Simpson
Severe sepsis is a common, deadly, and diagnostically vexing condition. Recent recommendations for diagnosing sepsis, referred to as consensus guidelines, provide a definition of sepsis and remove the Systemic Inflammatory Response Syndrome (SIRS) as a component of the diagnostic process. A concise definition of sepsis is welcomed. However, the approach to developing these guidelines, while thorough, had weaknesses. Emphasis is placed on mortality prediction, rather than on early diagnosis. Diagnostic criteria are recommended to replace current criteria without evidence of any effect that their use would have on mortality...
October 13, 2017: Chest
https://www.readbyqxmd.com/read/29035701/does-sofa-predict-outcomes-better-than-sirs-in-brazilian-icu-patients-with-suspected-infection-a-retrospective-cohort-study
#10
Regis Goulart Rosa, Rafael Barberena Moraes, Thiago Costa Lisboa, Daniel Pretto Schunemann, Cassiano Teixeira
We compared the discriminatory capacity of the sequential organ failure assessment (SOFA) versus the systemic inflammatory response syndrome (SIRS) score for predicting ICU mortality, need for and length of mechanical ventilation (MV), ICU stay, and hospitalization in patients with suspected infection admitted to a mixed Brazilian ICU. We performed a retrospective analysis of a longitudinal ICU database from a tertiary hospital in Southern Brazil. Patients were categorized according to whether they met the criteria for sepsis according to SOFA (variation ≥2 points over the baseline clinical condition) and SIRS (SIRS score ≥2 points)...
October 13, 2017: Brazilian Journal of Infectious Diseases
https://www.readbyqxmd.com/read/29033819/an-unusual-presentation-of-pyoderma-gangrenosum-leading-to-systemic-inflammatory-response-syndrome
#11
Ali Didan, Alan Donnelly, Hock Chua
This is a report of an atypical presentation of pyoderma gangrenosum (PG) in a 26-year-old male who had a negative septic screen. The patient had a life-threatening presentation requiring an intensive care unit (ICU) admission for vasopressor support. It was thought that the likely cause of circulatory collapse was an overwhelming cytokine reaction or systemic inflammatory response syndrome (SIRS) secondary to extensive PG lesions rather than septic shock. The patient presented with multiple large ulcers, the largest being 4 cm in diameter on the central chest...
September 2017: Case Reports in Dermatology
https://www.readbyqxmd.com/read/29032880/comparison-of-131-i-activity-measurements-at-the-ncbj-rc-polatom-and-the-enea-inmri-linked-to-the-bipm-sir-system
#12
T Ziemek, M Capogni, G Ratel, R Broda, T Dziel, A Fazio, A Listkowska
A bilateral comparison between ENEA-INMRI (Italy) and NCBJ RC POLATOM (Poland) of (131)I-solution activity measurements was organized in the year 2015 and piloted by POLATOM, which provided the sources for the comparison. The (131)I master solution was standardized independently at both institutes by using Liquid Scintillation Counting and ionization chamber techniques. The (131)I master solution was then sent by POLATOM to the BIPM International Reference System (SIR). The comparison was registered as an EURAMET...
September 28, 2017: Applied Radiation and Isotopes
https://www.readbyqxmd.com/read/29032320/methodological-issues-of-assessing-the-risk-of-a-second-cancer-occurring-in-the-same-site-as-a-first-cancer-using-registry-data
#13
Jérémie Jégu, Marie Moitry, Simona Bara, Brigitte Trétarre, Anne-Valérie Guizard, Anne-Sophie Woronoff, Laetitia Daubisse-Marliac, Véronique Bouvier, Xavier Troussard, Marc Colonna, Delphine Klein, Bénédicte Lapôtre-Ledoux, Michel Velten
OBJECTIVE: To present methodological issues that can arise with the assessment of the risk of a second primary cancer (SPC) occurring in the same site as a first cancer using registry data. MATERIAL AND METHODS: Data from ten French cancer registries were used, including data for patients with a first prostate cancer (in males), breast cancer (in females), and colon, lung and kidney cancer (in both sexes) diagnosed between 1989 and 2004. Standardized incidence ratios (SIRs) of SPC were computed by excluding, or not, the risk of an SPC at the same site...
October 12, 2017: Cancer Epidemiology
https://www.readbyqxmd.com/read/29026053/obituary-professor-sir-david-todd
#14
C S Lau
No abstract text is available yet for this article.
October 2017: Hong Kong Medical Journal, Xianggang Yi Xue za Zhi
https://www.readbyqxmd.com/read/29026034/sir-patrick-bateson-1938-2017
#15
Brian J McCabe
No abstract text is available yet for this article.
October 13, 2017: Science
https://www.readbyqxmd.com/read/29024690/sodium-channel-current-loss-of-function-in-induced-pluripotent-stem-cell-derived-cardiomyocytes-from-a-brugada-syndrome-patient
#16
Elisabet Selga, Franziska Sendfeld, Rebecca Martinez-Moreno, Claire N Medine, Olga Tura-Ceide, Sir Ian Wilmut, Guillermo J Pérez, Fabiana S Scornik, Ramon Brugada, Nicholas L Mills
Brugada syndrome predisposes to sudden death due to disruption of normal cardiac ion channel function, yet our understanding of the underlying cellular mechanisms is incomplete. Commonly used heterologous expression models lack many characteristics of native cardiomyocytes and, in particular, the individual genetic background of a patient. Patient-specific induced pluripotent stem (iPS) cell-derived cardiomyocytes (iPS-CM) may uncover cellular phenotypical characteristics not observed in heterologous models...
October 9, 2017: Journal of Molecular and Cellular Cardiology
https://www.readbyqxmd.com/read/29021726/investigating-the-relationship-between-microalbuminuria-and-prognosis-of-patients-with-severe-burns-in-the-motahari-burn-hospital
#17
M Roham, K Anbari, M J Fatemi, M Momeni
Microalbuminuria seems to be a reflection of increased vascular permeability caused by systemic inflammatory response, and is likely to be a predictor of mortality, sepsis and other outcomes of severe burn patients. We investigated the impact of microalbuminuria on the prognosis of patients with severe burns. This is a prospective study on severe burn patients (above 20%) admitted in the first 24 hours after burns to the Motahari Burn Hospital. Patients' microalbuminuria was measured at admission and 48 hours later, and its relationship with patient prognosis (sepsis, renal failure, death, inhalation injury and systemic inflammatory response syndrome) was analyzed...
June 30, 2017: Annals of Burns and Fire Disasters
https://www.readbyqxmd.com/read/29020905/the-incidence-and-multiplicity-rates-of-keratinocyte-cancers-in-australia
#18
Nirmala Pandeya, Catherine M Olsen, David C Whiteman
OBJECTIVES: To assess the incidence and multiplicity of keratinocyte cancers (basal cell carcinoma [BCC] and squamous cell carcinoma [SCC]) excised in Australia, and to examine variations by age, sex, state, and prior skin cancer history. DESIGN: Analysis of individual-level Medicare data for keratinocyte cancer treatments (identified by eight specific MBS item codes) during 2011-2014. Histological data from the QSkin prospective cohort study were analysed to estimate BCC and SCC incidence...
October 16, 2017: Medical Journal of Australia
https://www.readbyqxmd.com/read/29020775/portable-nitric-oxide-no-generator-based-on-electrochemical-reduction-of-nitrite-for-potential-applications-in-inhaled-no-therapy-and-cardiopulmonary-bypass-surgery
#19
Yu Qin, Joanna Zajda, Elizabeth J Brisbois, Hang Ren, John Toomasian, Terry Major, Alvaro Rojas-Pena, Benjamin Carr, Thomas Johnson, Jonathan Haft, Robert H Bartlett, Andrew Hunt, Nicolai Lehnert, Mark E Meyerhoff
A new portable gas phase nitric oxide (NO) generator is described for potential applications in inhaled NO (INO) therapy and during cardiopulmonary bypass (CPB) surgery. In this system, NO is produced at the surface of a large area mesh working electrode by electrochemical reduction of nitrite ions in the presence of a soluble copper(II)-ligand electron transfer mediator complex. The NO generated is then transported into gas phase by either direct purging with nitrogen or via circulating the electrolyte/nitrite solution through a gas extraction silicone fiber-based membrane-dialyzer assembly...
October 11, 2017: Molecular Pharmaceutics
https://www.readbyqxmd.com/read/29017649/-usefulness-of-procalcitonin-for-the-diagnosis-of-infection-in-cardiac-surgical-patients
#20
Hao Wang, Na Cui, Fang Niu, Hongying Xu, Yun Long, Dawei Liu
OBJECTIVE: To determine the value of procalcitonin (PCT) as an early marker of postoperative infection after cardiac surgery with cardiopulmonary bypass (CPB). METHODS: A retrospective study was conducted. Patients with systemic inflammatory response syndrome (SIRS) after cardiac surgery with CPB admitted to intensive care unit (ICU) of Peking Union Medical College Hospital from November 2014 to January 2017 were enrolled. The cardiac surgery types and intraoperative conditions, the treatments in ICU, postoperative 28-day mortality and hospital mortality of the patients; the levels of plasma PCT measured at ICU admission, postoperative 1, 3, and 5 days were collected...
October 2017: Zhonghua Wei Zhong Bing Ji Jiu Yi Xue
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