نتایج جستجو برای: net reclassification improvement

تعداد نتایج: 406535  

Journal: :Circulation. Cardiovascular imaging 2016
Joo Myung Lee Chee Hae Kim Bon-Kwon Koo Doyeon Hwang Jonghanne Park Jinlong Zhang Yaliang Tong Ki-Hyun Jeon Ji-In Bang Minseok Suh Jin Chul Paeng Gi Jeong Cheon Sang-Hoon Na Jung-Min Ahn Seung-Jung Park Hyo-Soo Kim

BACKGROUND Recent evidence suggests that the diagnostic accuracy of myocardial perfusion imaging is improved by quantifying stress myocardial blood flow (MBF) in absolute terms. We evaluated a comprehensive quantitative (13)N-ammonia positron emission tomography ((13)NH3-PET) diagnostic panel, including stress MBF, coronary flow reserve (CFR), and relative flow reserve (RFR) in conjunction with...

Journal: :Journal of the American Heart Association 2016
Udo Hoffmann Joseph M Massaro Ralph B D'Agostino Sekar Kathiresan Caroline S Fox Christopher J O'Donnell

BACKGROUND We determined whether vascular and valvular calcification predicted incident major coronary heart disease, cardiovascular disease (CVD), and all-cause mortality independent of Framingham risk factors in the community-based Framingham Heart Study. METHODS AND RESULTS Coronary artery calcium (CAC), thoracic and abdominal aortic calcium, and mitral or aortic valve calcium were measure...

Journal: :Heart 2010
Suthesh Sivapalaratnam S Matthijs Boekholdt Mieke D Trip Manjinder S Sandhu Robert Luben John J P Kastelein Nicholas J Wareham Kay-Tee Khaw

OBJECTIVE The value of a family history for coronary heart disease (CHD) in addition to established cardiovascular risk factors in predicting an individual's risk of CHD is unclear. In the European Prospective Investigation of Cancer (EPIC)-Norfolk cohort, the authors tested whether adding family history of premature CHD in first-degree relatives improves risk prediction compared with the Frami...

Journal: :Hypertension 2016
Esben Laugesen Søren T Knudsen Klavs W Hansen Niklas B Rossen Lisette Okkels Jensen Michael G Hansen Henrik Munkholm Kristian K Thomsen Hanne Søndergaard Morten Bøttcher Bent Raungaard Morten Madsen Adam Hulman Daniel Witte Hans Erik Bøtker Per L Poulsen

Aortic systolic blood pressure (BP) represents the hemodynamic cardiac and cerebral burden more directly than office systolic BP. Whether invasively measured aortic systolic BP confers additional prognostic value beyond office BP remains debated. In this study, office systolic BP and invasively measured aortic systolic BP were recorded in 21 908 patients (mean age: 63 years; 58% men; 14% with d...

2010
Raghava S. Velagaleti Martin G. Larson Thomas J. Wang Emelia J. Benjamin James B. Meigs Ramachandran S. Vasan

Background—Several biological pathways are activated in ventricular remodeling and in overt heart failure (HF). There are no data, however, on the incremental utility of a parsimonious set of biomarkers (reflecting pathways implicated in HF) for predicting HF risk in the community. Methods and Results—We related a multibiomarker panel to the incidence of a first HF event in 2754 Framingham Hear...

Journal: :European heart journal cardiovascular Imaging 2014
Wouter W Jansen Klomp Linda M Peelen Sander J Spanjersberg George J Brandon Bravo Bruinsma Fellery de Lange Arnoud W J van't Hof Karel G M Moons

AIMS Accurate visualization of the distal ascending aorta (DAA) can guide the surgical management and hence prevent dislodgment of atherogenic emboli during cardiac surgery. Conventional transoesophageal echocardiography (TEE) has a poor sensitivity; modified TEE was previously shown to accurately visualize atherosclerosis of the DAA. We studied the added value of modified TEE beyond the patien...

2015
Corné A. M. Roelen Ute Bültmann Johan W. Groothoff Jos W. R. Twisk Martijn W. Heymans

BACKGROUND Prognostic models including age, self-rated health and prior sickness absence (SA) have been found to predict high (≥ 30) SA days and high (≥ 3) SA episodes during 1-year follow-up. More predictors of high SA are needed to improve these SA prognostic models. The purpose of this study was to investigate fatigue as new predictor in SA prognostic models by using risk reclassification me...

Journal: :Stroke 2014
Carla A Ibrahim-Verbaas Myriam Fornage Joshua C Bis Seung Hoan Choi Bruce M Psaty James B Meigs Madhu Rao Mike Nalls Joao D Fontes Christopher J O'Donnell Sekar Kathiresan Georg B Ehret Caroline S Fox Rainer Malik Martin Dichgans Helena Schmidt Jari Lahti Susan R Heckbert Thomas Lumley Kenneth Rice Jerome I Rotter Kent D Taylor Aaron R Folsom Eric Boerwinkle Wayne D Rosamond Eyal Shahar Rebecca F Gottesman Peter J Koudstaal Najaf Amin Renske G Wieberdink Abbas Dehghan Albert Hofman André G Uitterlinden Anita L Destefano Stephanie Debette Luting Xue Alexa Beiser Philip A Wolf Charles Decarli M Arfan Ikram Sudha Seshadri Thomas H Mosley W T Longstreth Cornelia M van Duijn Lenore J Launer

BACKGROUND AND PURPOSE Beyond the Framingham Stroke Risk Score, prediction of future stroke may improve with a genetic risk score (GRS) based on single-nucleotide polymorphisms associated with stroke and its risk factors. METHODS The study includes 4 population-based cohorts with 2047 first incident strokes from 22,720 initially stroke-free European origin participants aged ≥55 years, who wer...

2015
Eun-Ho Lee Jeong-Hyun Choi Kyoung-Woon Joung Ji-Yeon Kim Seung-Hee Baek Sung-Mi Ji Ji-Hyun Chin In-Cheol Choi

An elevated serum concentration of uric acid may be associated with an increased risk of acute kidney injury (AKI). The aim of this study was to investigate the impact of preoperative uric acid concentration on the risk of AKI after coronary artery bypass surgery (CABG). Perioperative data were evaluated from patients who underwent CABG. AKI was defined by the AKI Network criteria based on seru...

2018
Rosa Forés Maria Teresa Alzamora Guillem Pera José Miguel Baena-Díez Xavier Mundet-Tuduri Pere Torán

BACKGROUND The different cardiovascular risk prediction scales currently available are not sufficiently sensitive. AIM The aim of the present study was to analyze the contribution of the ankle-brachial index (ABI) added to the Framingham and REGICOR risk scales for the reclassification of cardiovascular risk after a 9-year follow up of a Mediterranean population with low cardiovascular risk. ...

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