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https://www.readbyqxmd.com/read/28926087/self-reported-function-more-informative-than-frailty-phenotype-in-predicting-adverse-postoperative-course-in-older-adults
#1
Alok Kapoor, Theofilos Matheos, Matthias Walz, Christine McDonough, Abiramy Maheswaran, Evan Ruppell, Deeqo Mohamud, Nicholas Shaffer, Yanhua Zhou, Shubjeet Kaur, Stephen Heard, Sybil Crawford, Howard Cabral, Daniel K White, Heena Santry, Alan Jette, Roger Fielding, Rebecca A Silliman, Jerry Gurwitz
BACKGROUND/OBJECTIVE: Current preoperative assessment tools such as the American College of Surgeons Surgical Risk Calculator (ACS Calculator) are suboptimal for evaluating older adults. The objective was to evaluate and compare the performance of the ACS Calculator for predicting risk of serious postoperative complications with the addition of self-reported physical function versus a frailty score. DESIGN: Prospective cohort. SETTING: Two tertiary care academic medical centers in Massachusetts...
September 19, 2017: Journal of the American Geriatrics Society
https://www.readbyqxmd.com/read/28892413/enhancing-the-real-world-prediction-of-cardiovascular-events-and-major-bleeding-with-the-cha2ds2-vasc-and-has-bled-scores-using-multiple-biomarkers
#2
Vanessa Roldán, José Miguel Rivera-Caravaca, Alena Shantsila, Amaya García-Fernández, María Asunción Esteve-Pastor, Juan Antonio Vilchez, Marta Romera, Mariano Valdés, Vicente Vicente, Francisco Marín, Gregory Y H Lip
BACKGROUND: Atrial fibrillation (AF)-European guidelines suggest the use of biomarkers to stratify patients for stroke and bleeding risks. We investigated if a multi-biomarker strategy improved the predictive performance of CHA2DS2-VASc and HAS-BLED in anticoagulated AF patients. METHODS: We included consecutive patients stabilized for 6 months on vitamin K antagonists (INRs 2.0-3.0). High sensitivity troponin T, N-proBNP, interleukin 6, von Willebrand factor concentrations and glomerular filtration rate (eGFR; using MDRD-4 formula) were quantified at baseline...
September 11, 2017: Annals of Medicine
https://www.readbyqxmd.com/read/28887977/magnetic-electrospun-short-nanofibers-wrapped-graphene-oxide-as-a-promising-biomaterials-for-guiding-cellular-behavior
#3
Zhang-Qi Feng, Chuanmei Shi, Bin Zhao, Ting Wang
Magnetic particles show extremely wide application prospects in the biomedical field, particularly in the success of cellular manipulation, drug delivery systems, magnetic hyperthermia and NRI contrast enhancement. Graphene oxide with functional groups has a promising biological effect. In this work, we develop magnetic short-fibers wrapped graphene oxide for guiding cellular behavior with the aid of high-speed shear of nanofibers fabricated through electrospinning technique. The diameter and the length of short-fibers are about 300nm and 80μm, respectively...
December 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28878576/comparison-of-3-predictive-clinical-risk-scores-in-603-patients-with-stable-coronary-artery-disease
#4
Álvaro Aceña, Maria Luisa Martín-Mariscal, Nieves Tarín, Carmen Cristóbal, Ana Huelmos, Ana Pello, Rocío Carda, Joaquín Alonso, Óscar Lorenzo, Ignacio Mahíllo-Fernández, José Tuñón
No clinical risk score is universally accepted for coronary artery disease. In 603 patients (mean age, 61.2 ± 12.3 yr) with stable coronary artery disease, we investigated the predictive power of clinical risk scores derived from the Framingham, the Long-term Intervention with Pravastatin in Ischemic Disease (LIPID), and the Vienna and Ludwigshafen Coronary Artery Disease (VILCAD) studies. Secondary outcomes were the recurrence of an acute thrombotic event (coronary events, strokes, or transient ischemic attacks), or heart failure or death...
August 2017: Texas Heart Institute Journal
https://www.readbyqxmd.com/read/28864630/a-pet-ct-based-strategy-is-a-stronger-predictor-of-survival-than-a-standard-imaging-strategy-in-patients-with-head-and-neck-squamous-cell-carcinoma
#5
Max Rohde, Anne L Nielsen, Manan Pareek, Jørgen Johansen, Jens A Sørensen, Anabel Diaz, Mie K Nielsen, Janus M Christiansen, Jon T Asmussen, Nina Nguyen, Oke Gerke, Anders Thomassen, Abass Alavi, Poul Flemming Høilund-Carlsen, Christian Godballe
Purpose: To examine whether tumor staging by upfront (18)F-fluoro-deoxy-glucose-positron emission tomography/computed tomography (PET/CT) leads to improved discrimination of survival, when compared with traditionally used imaging strategies based on chest X-ray + head and neck magnetic resonance imaging (CXR/MRI) or chest computed tomography + head and neck MRI (CCT/MRI) in patients with head and neck squamous cell carcinoma (HNSCC). Methods: Blinded prospective cohort study based on paired data. Consecutive patients with histologically verified primary HNSCC were recruited at Odense University Hospital from September 2013 to March 2016...
September 1, 2017: Journal of Nuclear Medicine: Official Publication, Society of Nuclear Medicine
https://www.readbyqxmd.com/read/28844514/comparison-of-the-cha2ds2-vasc-chads2-has-bled-orbit-and-atria-risk-scores-in-predicting-non-vitamin-k-antagonist-oral-anticoagulants-associated-bleeding-in-patients-with-atrial-fibrillation
#6
Xiaoxi Yao, Bernard J Gersh, Lindsey R Sangaralingham, David M Kent, Nilay D Shah, Neena S Abraham, Peter A Noseworthy
The increasing adoption of non-vitamin K antagonist oral anticoagulants (NOACs) for stroke prevention in atrial fibrillation (AF) necessitates a reassessment of bleeding risk scores. Because known risk factors for bleeding are largely the same as for stroke, we hypothesize that stroke risk scores could also be used to identify patients with high bleeding risks. We aimed to compare the performance of 2 stroke risk scores (Congestive Heart failure, hypertension, Age ≥75 [doubled], Diabetes, Stroke [doubled], Vascular disease, Age 65-74, and Sex [female] [CHA2DS2-VASc] and Cardiac failure, Hypertension, Age, Diabetes, Stroke [Doubled] [CHADS2]) and 3 bleeding risk scores (hypertension, abnormal renal/liver function [1 point each], stroke, bleeding history or predisposition, labile INR, elderly [...
July 31, 2017: American Journal of Cardiology
https://www.readbyqxmd.com/read/28844345/the-effect-of-atomoxetine-a-selective-norepinephrine-reuptake-inhibitor-on-respiratory-arrest-and-cardiorespiratory-function-in-the-dba-1-mouse-model-of-sudep
#7
Haiting Zhao, Joseph F Cotten, Xiaoyan Long, Hua-Jun Feng
Sudden unexpected death in epilepsy (SUDEP) is a significant public health burden. The mechanisms of SUDEP are elusive, although cardiorespiratory dysfunction is a likely contributor. Clinical and animal studies indicate that seizure-induced respiratory arrest (S-IRA) is the primary event leading to death in many SUDEP cases. Our prior studies demonstrated that intraperitoneal (IP) injection of atomoxetine, a norepinephrine reuptake inhibitor (NRI) widely used to treat attention deficit hyperactivity disorder, suppresses S-IRA in DBA/1 mice...
August 22, 2017: Epilepsy Research
https://www.readbyqxmd.com/read/28835555/local-and-regional-controls-of-phylogenetic-structure-at-the-high-latitude-range-limits-of-corals
#8
Brigitte Sommer, Eugenia M Sampayo, Maria Beger, Peter L Harrison, Russ C Babcock, John M Pandolfi
Understanding how range-edge populations will respond to climate change is an urgent research priority. Here, we used a phylogenetic community ecology approach to examine how ecological and evolutionary processes shape biodiversity patterns of scleractinian corals at their high-latitude range limits in eastern Australia. We estimated phylogenetic signal in seven ecologically important functional traits and conducted tests of phylogenetic structure at local and regional scales using the net relatedness (NRI) and nearest taxon indices (NTI) for the presence/absence and abundance data...
August 30, 2017: Proceedings. Biological Sciences
https://www.readbyqxmd.com/read/28833417/comprehensive-evaluation-of-the-revised-international-staging-system-in-multiple-myeloma-patients-treated-with-novel-agents-as-a-primary-therapy
#9
Hyungwoo Cho, Dok Hyun Yoon, Jung Bok Lee, Sung-Yong Kim, Joon Ho Moon, Young Rok Do, Jae Hoon Lee, Yong Park, Ho Sup Lee, Hyeon Seok Eom, Ho-Jin Shin, Chang-Ki Min, Jin Seok Kim, Jae-Cheol Jo, Hye Jin Kang, Yeung-Chul Mun, Won Sik Lee, Je-Jung Lee, Cheolwon Suh, Kihyun Kim
The revised International Staging System (R-ISS) has recently been developed to improve the risk stratification of multiple myeloma (MM) patients over the ISS. We assessed the R-ISS in MM patients who were treated with novel agents as a primary therapy and evaluated its discriminative power and ability to reclassify patients from the ISS. A total of 514 newly diagnosed MM patients treated with novel agents including thalidomide, bortezomib, and lenalidomide as a primary therapy were included in this retrospective analysis...
August 22, 2017: American Journal of Hematology
https://www.readbyqxmd.com/read/28829826/elevated-neutrophil-to-lymphocyte-ratio-and-ischemic-stroke-risk-in-generally-healthy-adults
#10
Beomseok Suh, Dong Wook Shin, Hyung-Min Kwon, Jae Moon Yun, Hyung-Kook Yang, Eunmi Ahn, Hyejin Lee, Jin Ho Park, BeLong Cho
Elevated neutrophil to lymphocyte ratio (NLR) has been reported as a marker for chronic inflammation, associated with poor prognosis in ischemic stroke patients, but there has been no study that investigated its association with ischemic stroke risk. This study was conducted to investigate elevated NLR as an independent risk factor for ischemic stroke incidence. Our retrospective cohort study included 24,708 generally healthy subjects aged 30-75 who received self-referred health screening at Seoul National University Hospital...
2017: PloS One
https://www.readbyqxmd.com/read/28826899/impact-of-frailty-and-disability-on-30-day-mortality-in-older-patients-with-acute-heart-failure
#11
Francisco Javier Martín-Sánchez, Esther Rodríguez-Adrada, Maria Teresa Vidan, Guillermo Llopis García, Juan González Del Castillo, Miguel Alberto Rizzi, Aitor Alquezar, Pascual Piñera, Paula Lázaro Aragues, Pere Llorens, Pablo Herrero, Javier Jacob, Víctor Gil, Cristina Fernández, Héctor Bueno, Òscar Miró
The objectives were to determine the impact of frailty and disability on 30-day mortality and whether the addition of these variables to HFRSS EFFECT risk score (FBI-EFFECT model) improves the short-term mortality predictive capacity of both HFRSS EFFECT and BI-EFFECT models in older patients with acute decompensated heart failure (ADHF) atended in the emergency department. We performed a retrospective analysis of OAK Registry including all consecutive patients ≥65 years old with ADHF attended in 3 Spanish emergency departments over 4 months...
October 1, 2017: American Journal of Cardiology
https://www.readbyqxmd.com/read/28809988/methods-for-imputing-missing-efficacy-data-in-clinical-trials-of-biologic-psoriasis-therapies-implications-for-interpretations-of-trial-results
#12
Richard G B Langley, Kristian Reich, Charis Papavassilis, Todd Fox, Yankun Gong, Achim Gu Ttner
<p>BACKGROUND: An issue in long-term clinical trials of biologics in psoriasis is how to handle missing efficacy data. This methodological challenge may not be understood by clinicians, yet can have a significant effect on the interpretation of clinical trials.</p> <p>OBJECTIVE Evaluate the effects of different data imputation methods on apparent secukinumab response rates.</p> <p>METHODS: Post hoc analyses were conducted on efficacy data from 2 phase III, multicenter, randomized, double-blind trials (FIXTURE and ERASURE) of secukinumab in moderate to severe plaque psoriasis...
August 1, 2017: Journal of Drugs in Dermatology: JDD
https://www.readbyqxmd.com/read/28808554/arthropod-communities-on-hybrid-and-parental-cottonwoods-are-phylogenetically-structured-by-tree-type-implications-for-conservation-of-biodiversity-in-plant-hybrid-zones
#13
Karl J Jarvis, Gerard J Allan, Ashley J Craig, Rebecca K Beresic-Perrins, Gina Wimp, Catherine A Gehring, Thomas G Whitham
Although hybridization in plants has been recognized as an important pathway in plant speciation, it may also affect the ecology and evolution of associated communities. Cottonwood species (Populus angustifolia and P. fremontii) and their naturally occurring hybrids are known to support different plant, animal, and microbial communities, but no studies have examined community structure within the context of phylogenetic history. Using a community composed of 199 arthropod species, we tested for differences in arthropod phylogenetic patterns within and among hybrid and parental tree types in a common garden...
August 2017: Ecology and Evolution
https://www.readbyqxmd.com/read/28808041/inclusion-of-a-genetic-risk-score-into-a-validated-risk-prediction-model-for-colorectal-cancer-in-japanese-men-improves-performance
#14
Motoki Iwasaki, Sachiko Tanaka-Mizuno, Aya Kuchiba, Taiki Yamaji, Norie Sawada, Atsushi Goto, Taichi Shimazu, Shizuka Sasazuki, Hansong Wang, Loïc Le Marchand, Shoichiro Tsugane
We previously developed and validated a risk prediction model for colorectal cancer in Japanese men using modifiable risk factors. To further improve risk prediction, we evaluated the degree of improvement obtained by adding a genetic risk score (GRS) using genome-wide association study (GWAS)-identified risk variants to our validated model. We examined the association between 36 risk variants identified by GWAS and colorectal cancer risk using a weighted Cox proportional hazards model in a nested case-control study within the Japan Public Health Center-based Prospective Study...
July 20, 2017: Cancer Prevention Research
https://www.readbyqxmd.com/read/28799620/long-term-bleeding-risk-prediction-in-real-world-patients-with-atrial-fibrillation-comparison-of-the-has-bled-and-abc-bleeding-risk-scores-the-murcia-atrial-fibrillation-project
#15
María Asunción Esteve-Pastor, José Miguel Rivera-Caravaca, Vanessa Roldan, Vicente Vicente, Mariano Valdés, Francisco Marín, Gregory Y H Lip
Risk scores in patients with atrial fibrillation (AF) based on clinical factors alone generally have only modest predictive value for predicting high risk patients that sustain events. Biomarkers might be an attractive prognostic tool to improve bleeding risk prediction. The new ABC-Bleeding score performed better than HAS-BLED score in a clinical trial cohort but has not been externally validated. It was the aim of this study to compare the predictive performance of the ABC-Bleeding score compared to HAS-BLED score in an independent "real-world" anticoagulated AF patients with long-term follow-up...
August 11, 2017: Thrombosis and Haemostasis
https://www.readbyqxmd.com/read/28789846/additive-value-of-the-crusade-score-to-the-grace-score-for-mortality-risk-prediction-in-patients-with-acute-coronary-syndromes
#16
Alberto Cordero, Moisés Rodriguez-Manero, Jose M García-Acuña, Ramón López-Palop, Belen Cid, Pilar Carrillo, Rosa Agra-Bermejo, Violeta González-Salvado, Diego Iglesias-Alvarez, Vicente Bertomeu-Martínez, Jose R González-Juanatey
INTRODUCTION: Acute coronary syndrome (ACS) treatments increase bleeding complications that also impair prognosis. Bleeding risk scores reclassification of actual mortality risk estimated by the GRACE score might improve overall estimation. METHODS: Observational and prospective study of all ACS patients admitted in two hospitals. Mortality risk was assessed by the GRACE score and bleeding risk by the CRUSADE score. We analyzed the net reclassification improvement (NRI) of adding the CRUSADE score to the GRACE score...
August 2, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28782750/homocysteine-enhances-the-predictive-value-of-the-grace-risk-score-in-patients-with-st-elevation-myocardial-infarction
#17
Yan Fan, Jianjun Wang, Sumei Zhang, Zhaofei Wan, Dong Zhou, Yanhong Ding, Qinli He, Ping Xie
OBJECTIVE: The present study aims to investigate whether the addition of homocysteine level to the Global Registry of Acute Coronary Events (GRACE) risk score enhances its predictive value for clinical outcomes in ST-elevation myocardial infarction (STEMI). METHODS: A total of 1143 consecutive patients with STEMI were included in this prospective cohort study. Homocysteine was detected, and the GRACE score was calculated. The predictive power of the GRACE score alone or combined with homocysteine was assessed by the receiver operating characteristic (ROC) analysis, methods of net reclassification improvement (NRI) and integrated discrimination improvement (IDI)...
August 4, 2017: Anatolian Journal of Cardiology
https://www.readbyqxmd.com/read/28774268/prognostic-value-of-short-term-follow-up-bnp-in-hospitalized-patients-with-heart-failure
#18
Sayma Sabrina Khanam, Jung-Woo Son, Jun-Won Lee, Young Jin Youn, Junghan Yoon, Seung-Hwan Lee, Jang-Young Kim, Sung Gyun Ahn, Min-Soo Ahn, Byung-Su Yoo
BACKGROUND: B-type natriuretic peptide (BNP) has prognostic significance in heart failure (HF), and reductions in BNP may predict clinical improvement. However, there are limited data regarding the prognostic value of BNP during short-term follow-up. The aim of this study was to evaluate the relationship between short-term follow-up BNP and mortality after discharge in patients with HF. METHODS: We analyzed 427 patients hospitalized with HF from the Wonju Severance Christian Hospital Heart Failure Registry from April 2011 to December 2013, with a planned follow-up period through February 2016...
August 3, 2017: BMC Cardiovascular Disorders
https://www.readbyqxmd.com/read/28773951/a-new-compact-double-negative-miniaturized-metamaterial-for-wideband-operation
#19
Md Mehedi Hasan, Mohammad Rashed Iqbal Faruque, Sikder Sunbeam Islam, Mohammad Tariqul Islam
The aim of this paper is to introduce a compact double-negative (DNG) metamaterial that exhibits a negative refractive index (NRI) bandwidth of more than 3.6 GHz considering the frequency from 2 to 14 GHz. In this framework, two arms of the designed unit cell are split in a way that forms a Modified-Z-shape structure of the FR-4 substrate material. The finite integration technique (FIT)-based Computer Simulation Technology (CST) Microwave Studio is applied for computation, and the experimental setup for measuring the performance is performed inside two waveguide ports...
October 13, 2016: Materials
https://www.readbyqxmd.com/read/28771550/gdf-15-predicts-cardiovascular-events-in-acute-chest-pain-patients
#20
Stergios Tzikas, Lars Palapies, Constantinos Bakogiannis, Tanja Zeller, Christoph Sinning, Stephan Baldus, Christoph Bickel, Vassilios Vassilikos, Karl J Lackner, Andreas Zeiher, Thomas Münzel, Stefan Blankenberg, Till Keller
BACKGROUND: Treatment of patients presenting with possible acute myocardial infarction (AMI) is based on timely diagnosis and proper risk stratification aided by biomarkers. We aimed at evaluating the predictive value of GDF-15 in patients presenting with symptoms suggestive of AMI. METHODS: Consecutive patients presenting with suspected AMI were enrolled in three study centers. Cardiovascular events were assessed during a follow-up period of 6 months with a combined endpoint of death or MI...
2017: PloS One
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