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predictors of atrial fibrillation

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https://www.readbyqxmd.com/read/28918444/left-atrial-volume-computed-by-3d-rotational-angiography-best-predicts-atrial-fibrillation-recurrence-after-circumferential-pulmonary-vein-isolation
#1
Teresa Strisciuglio, Giuseppe Di Gioia, Sofia Chatzikyriakou, Etel Silva Garcia, Emanuele Barbato, Peter Geelen, Tom De Potter
Left atrium (LA) size is a well-studied predictor of atrial fibrillation (AF) recurrence after pulmonary vein isolation (PVI). Yet, there is still little agreement on the best imaging technique to size the LA, and on the most appropriate sizing parameter. Volumetric assessment of LA with three-dimensional rotational angiography (3DRA LA volume index) might be a valid alternative to the commonly used transthoracic echocardiography (TTE LA volume index). The aim of our study was to investigate whether LA volume by 3DRA at the time of PVI is able to predict the risk of atrial fibrillation recurrence...
September 16, 2017: International Journal of Cardiovascular Imaging
https://www.readbyqxmd.com/read/28917011/prevalence-predictors-and-prognostic-implications-of-pr-interval-prolongation-in-patients-with-heart-failure
#2
Theodora Nikolaidou, Pierpaolo Pellicori, Jufen Zhang, Syed Kazmi, Kevin M Goode, John G Cleland, Andrew L Clark
AIMS: To determine the prevalence, incidence, predictors, and prognostic implications of PR interval prolongation in patients referred with suspected heart failure. METHODS AND RESULTS: Consecutive patients referred with suspected heart failure were prospectively enrolled. After excluding patients with implantable cardiac devices and atrial fibrillation, 1420 patients with heart failure and reduced ejection fraction (HeFREF) [age: median 71 (interquartile range IQR 63-78) years; men: 71%; NT-ProBNP: 1319 (583-3378) ng/L], 1094 with heart failure and normal ejection fraction (HeFNEF) [age: 76 (70-82) years; men: 47%; NT-ProBNP: 547 (321-1171) ng/L], and 1150 without heart failure [age: 68 (60-75) years; men: 51%; NT-ProBNP: 86 (46-140) ng/L] were included...
September 15, 2017: Clinical Research in Cardiology: Official Journal of the German Cardiac Society
https://www.readbyqxmd.com/read/28912212/risk-stratification-using-the-cha2ds2-vasc-score-in-takotsubo-syndrome-data-from-the-takotsubo-italian-network
#3
Guido Parodi, Fernando Scudiero, Rodolfo Citro, Angelo Silverio, Benedetta Bellandi, Concetta Zito, Francesco Antonini-Canterin, Fausto Rigo, Chiara Zocchi, Eduardo Bossone, Jorge Salerno-Uriarte, Federico Piscione, Carlo Di Mario
BACKGROUND: The CHA2DS2-VASc score predicts stroke in patients with atrial fibrillation and has been reported to have a prognostic role even in acute coronary syndrome patients. The Takotsubo syndrome is a condition that mimics acute coronary syndrome and may present several complications including stroke. We sought to assess the ability of CHA2DS2-VASc score to predict adverse events in Takotsubo syndrome patients. METHODS AND RESULTS: Overall, 371 Takotsubo syndrome patients were enrolled in a prospective registry...
September 14, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/28906388/retrospective-cause-analysis-of-troponin-i-elevation-in-non-cad-patients-special-emphasis-on-sepsis
#4
Chien-Wen Yang, Huijun Li, Lisa Thomas, Manuel Ramos, Po-Hong Liu, Thomas Roe, Ravinder Valadri, Michael C Kiel, Vincent Yi-Fong Su, Qi Shi
BACKGROUND: Troponin I is one of the most commonly tested biochemical markers in the emergency room (ER) and in the hospital setting. Besides coronary artery disease (CAD), demand ischemia with underlying tachycardia, anemia, hypertensive emergency, congestive heart failure, kidney disease, sepsis, and pulmonary embolism have also been reported to cause troponin I elevations. Few reports have excluded patients with CAD, and no study has summarized the proportion of these factors relative to an increased troponin I level...
September 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28904234/fibrin-clot-permeability-as-a-predictor-of-stroke-and-bleeding-in-anticoagulated-patients-with-atrial-fibrillation
#5
Leszek Drabik, Paweł Wołkow, Anetta Undas
BACKGROUND AND PURPOSE: Formation of denser fiber networks has been reported in atrial fibrillation and ischemic stroke. In this longitudinal cohort study, we evaluated whether fibrin clot density may predict thromboembolic and bleeding risk in patients with atrial fibrillation on vitamin K antagonists. METHODS: In 236 patients with atrial fibrillation receiving vitamin K antagonists treatment, we measured ex vivo plasma clot permeability (Ks), a measure of the pore size in fibrin networks...
September 13, 2017: Stroke; a Journal of Cerebral Circulation
https://www.readbyqxmd.com/read/28900850/assessment-of-atrial-fibrillation-and-ventricular-arrhythmia-risk-after-bariatric-surgery-by-p-wave-qt-interval-dispersion
#6
Mustafa Yılmaz, Cihan Altın, Abdullah Tekin, Tansel Erol, İlker Arer, Tarık Zafer Nursal, Nurkan Törer, Varlık Erol, Haldun Müderrisoğlu
BACKGROUND: The association of obesity with atrial fibrillation (AF) and with ventricular arrhythmias is well documented. OBJECTIVE: The aim of this study was to investigate whether weight reduction by a laparoscopic sleeve gastrectomy has any effect on P wave dispersion (PWD), a predictor of AF, and corrected QT interval dispersion (CQTD), a marker of ventricular arrhythmias, in obese individuals. METHODS: In a prospective study, a total of 114 patients (79 females, 35 males) who underwent laparoscopic sleeve gastrectomy were examined...
September 13, 2017: Obesity Surgery
https://www.readbyqxmd.com/read/28895425/predictors-of-subsequent-myocardial-infarction-stroke-and-death-in-stable-post-myocardial-infarction-patients-a-nationwide-cohort-study
#7
Dong-Yi Chen, Chen-Yu Li, Ming-Jer Hsieh, Chun-Chi Chen, I-Chang Hsieh, Tien-Hsing Chen, Shao-Wei Chen, Chao-Yung Wang, Shang-Hung Chang, Cheng-Hung Lee, Ming-Lung Tsai, Ming-Yun Ho, Jih-Kai Yeh, Chee-Jen Chang, Ming-Shien Wen
BACKGROUND: This study investigated the predictors of subsequent cardiovascular events in stable post-myocardial infarction patients in Taiwan. METHODS: A total of 11,183 patients were recruited who had survived one year post-myocardial infarction without subsequent events of recurrent myocardial infarction or stroke from the Taiwan National Health Insurance Research Database. Their composite cardiovascular event rates were identified. RESULTS: The composite cardiovascular events rate in three year follow-up in the post-myocardial infarction population was 13...
September 1, 2017: European Heart Journal. Acute Cardiovascular Care
https://www.readbyqxmd.com/read/28890872/cardiac-troponin-and-outcome-in-decompensated-heart-failure-with-preserved-ejection-fraction
#8
Mohammad Thawabi, Amer Hawatmeh, Sarah Studyvin, Habib Habib, Fayez Shamoon, Marc Cohen
BACKGROUND: Cardiac troponin (cTn) has been established as an effective prognostic marker in acute heart failure (HF) with predominantly reduced ejection fraction. However, it's prognostic value in heart failure with preserved ejection fraction (HFpEF) is unclear. The aim of this study is to describe the prognostic role of troponin I in patients hospitalized for HFpEF decompensation. METHODS: We included 363 consecutive patients admitted for HFpEF decompensation that was not associated with acute coronary syndrome (ACS)...
August 2017: Cardiovascular Diagnosis and Therapy
https://www.readbyqxmd.com/read/28885097/predictors-of-a-high-defibrillation-threshold-test-during-routine-icd-implantation
#9
B Al-Atia, B Vandenberk, G Vörös, C Garweg, J Ector, R Willems
BACKGROUND: There is growing evidence that routine defibrillation threshold (DFT) testing during implantable cardioverter defibrillator (ICD) implantation is not necessary. However a small group of patients might be at risk if no DFT testing is performed. METHODS: Patients with a new pectoral ICD implantation in our hospital between 2006 and 2014 were included in a retrospective registry. A clinical high DFT was defined as a safety margin <10 J of the maximal device output...
September 8, 2017: Acta Cardiologica
https://www.readbyqxmd.com/read/28884923/low-voltage-areas-detected-by-high-density-electroanatomical-mapping-predict-recurrence-after-ablation-for-paroxysmal-atrial-fibrillation
#10
Konstantinos Vlachos, Michael Efremidis, Konstantinos P Letsas, George Bazoukis, Ruairidh Martin, Maria Kalafateli, Louiza Lioni, Stamatis Georgopoulos, Athanasios Saplaouras, Theodore Efremidis, Tong Liu, Kosmas Valkanas, Nikolaos Karamichalakis, Dimitrios Asvestas, Antonios Sideris
INTRODUCTION: We aimed to evaluate the extent of atrial fibrosis in paroxysmal atrial fibrillation (AF) and the correlation with ablation outcomes after pulmonary vein antral isolation (PVΑI) using a mapping system with high-resolution and high-spatial sampling. METHODS AND RESULTS: We prospectively enrolled 80 consecutive patients (45 males, median age 60.26 years) with symptomatic paroxysmal AF who were scheduled for PVAI. Prior to PVAI, high-density bipolar voltage mapping (median number of 2,485 points) was carried out during sinus rhythm in all patients...
September 8, 2017: Journal of Cardiovascular Electrophysiology
https://www.readbyqxmd.com/read/28882227/left-atrial-fibrosis-and-risk-of-cerebrovascular-and-cardiovascular-events-in-patients-with%C3%A2-atrial-fibrillation
#11
Jordan B King, Peyman N Azadani, Promporn Suksaranjit, Adam P Bress, Daniel M Witt, Frederick T Han, Mihail G Chelu, Michelle A Silver, Joseph Biskupiak, Brent D Wilson, Alan K Morris, Eugene G Kholmovski, Nassir Marrouche
BACKGROUND: Severity of left atrial (LA) fibrosis is a strong predictor of atrial fibrillation (AF) ablation success and has been associated with a history of stroke, hypertension, and heart failure (HF). However, it is unclear whether more severe LA fibrosis independently increases the risk of major adverse cardiovascular and cerebrovascular events (MACCE) among those with AF. OBJECTIVES: The goal of this study was to evaluate the occurrence and frequency of MACCE by strata of LA fibrosis severity in patients with AF...
September 12, 2017: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/28882130/the-hemorrhagic-transformation-index-score-a-prediction-tool-in-middle-cerebral-artery-ischemic-stroke
#12
Mikhail N Kalinin, Dina R Khasanova, Murat M Ibatullin
BACKGROUND: We aimed to develop a tool, the hemorrhagic transformation (HT) index (HTI), to predict any HT within 14 days after middle cerebral artery (MCA) stroke onset regardless of the intravenous recombinant tissue plasminogen activator (IV rtPA) use. That is especially important in the light of missing evidence-based data concerning the timing of anticoagulant resumption after stroke in patients with atrial fibrillation (AF). METHODS: We retrospectively analyzed 783 consecutive MCA stroke patients...
September 7, 2017: BMC Neurology
https://www.readbyqxmd.com/read/28881842/effect-of-age-on-long-term-outcomes-after-stroke-with-atrial-fibrillation-a-hospital-based-follow-up-study-in-china
#13
Tao Wang, Bin Li, Hongfei Gu, Yongzhong Lou, Xianjia Ning, Jinghua Wang, Zhongping An
Atrial fibrillation (AF) is an established predictor of poor outcomes after stroke. We aimed to assess the effect of age on outcomes at 1 year and 3 years in stroke patients with AF. We recruited acute ischemic stroke patients with AF between January 2006 and September 2014 in Tianjin, China. Clinical features and outcomes at 1 year and 3 years after stroke were compared between younger group and elderly group. Overall, 951 consecutive stroke patients with AF were included in this study. There was a higher mortality and dependency rate in the elderly group than in the young group at both 1 and 3 years after stroke...
August 8, 2017: Oncotarget
https://www.readbyqxmd.com/read/28874289/clinical-predictors-of-challenging-atrioventricular-node-ablation-procedure-for-rate-control-in-patients-with-atrial-fibrillation
#14
Baptiste Polin, Nathalie Behar, Vincent Galand, Vincent Auffret, Albin Behaghel, Dominique Pavin, Jean-Claude Daubert, Philippe Mabo, Christophe Leclercq, Raphael P Martins
INTRODUCTION: Atrioventricular node (AVN) ablation is usually a simple procedure but may sometimes be challenging. We aimed at identifying pre-procedural clinical predictors of challenging AVN ablation. METHODS: Patients referred for AVN ablation from 2009 to 2015 were retrospectively included. Baseline clinical data, procedural variables and outcomes of AVN ablation were collected. A "challenging procedure" was defined 1) total radiofrequency delivery to get persistent AVN block≥400s, 2) need for left-sided arterial approach or 3) failure to obtain AVN ablation...
October 15, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28874288/atrial-fibrillation-utility-of-chads2-and-cha2ds2-vasc-scores-as-predictors-of-readmission-mortality-and-resource-utilization
#15
Sopan Lahewala, Shilpkumar Arora, Prashant Patel, Varun Kumar, Nirali Patel, Byomesh Tripathi, Nilay Patel, Kamala Ramya Kallur, Harshil Shah, Amer Syed, Umesh Gidwani, Juan F Viles-Gonzalez, Abhishek Deshmukh
BACKGROUND: CHADS2 and CHA2DS2-VASc scores are widely used for thromboembolic risk assessment in Atrial Fibrillation(AF) cohort, however further utilization to predict outcomes is understudied. METHOD: HCUP's National Readmission Data(NRD) 2013 was queried for AF admissions using ICD-9-CM code 427.31 in principal diagnosis field. Patients with mitral valve disease or repair/or replacement were excluded to estimate population with non-valvular AF only. CHADS2 and CHA2DS2-VASc were calculated for each patient...
October 15, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28867245/proposal-of-a-novel-clinical-score-to-predict-heart-failure-incidence-in-long-term-survivors-of-acute-coronary-syndromes
#16
Moisés Rodríguez-Mañero, Alberto Cordero, Omar Kreidieh, Jose Mª García-Acuña, Jose Seijas, Rosa María Agra-Bermejo, Charigan Abou-Jokh, Leyre Álvarez-Rodríguez, Diego Álvarez-Iglesias, Ramón López-Palop, Belen Cid, Pilar Carrillo, Jose R González-Juanatey
INTRODUCTION: HF remains a frequent complication following MI and adversely affects prognosis. The objective of this study was to identify predictors of HF following MI and to design a risk score for its prediction. METHODS: Retrospective study of all consecutive patients admitted for MI. Primary end point was time to incident HF. Patients with previous history of HF were excluded. Death was modelled as competing risk. RESULTS: 5737 patients were included...
August 1, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28864601/predictive-value-of-computed-tomography-angiography-determined-occlusion-type-in-stent-retriever-thrombectomy
#17
Jang-Hyun Baek, Byung Moon Kim, Joonsang Yoo, Hyo Suk Nam, Young Dae Kim, Dong Joon Kim, Ji Hoe Heo, Oh Young Bang
BACKGROUND AND PURPOSE: We investigated whether occlusion type identified with computed tomography angiography (CTA-determined occlusion type) could predict endovascular treatment success using stent retriever (SR) thrombectomy. METHODS: Consecutive patients with stroke who underwent CTA and then endovascular treatment for intracranial large artery occlusion were retrospectively reviewed. CTA-determined occlusion type was classified into truncal-type occlusion or branching-site occlusion and compared with digital subtraction angiography-determined occlusion type during endovascular treatment...
September 1, 2017: Stroke; a Journal of Cerebral Circulation
https://www.readbyqxmd.com/read/28862941/prognostic-value-of-the-chads2-score-for-adverse-cardiovascular-events-in-coronary-artery-disease-patients-without-atrial-fibrillation-a-multi-center-observational-cohort-study
#18
Noriaki Tabata, Eiichiro Yamamoto, Seiji Hokimoto, Takayoshi Yamashita, Daisuke Sueta, Seiji Takashio, Yuichiro Arima, Yasuhiro Izumiya, Sunao Kojima, Koichi Kaikita, Kunihiko Matsui, Kazuteru Fujimoto, Kenji Sakamoto, Hideki Shimomura, Ryusuke Tsunoda, Toyoki Hirose, Natsuki Nakamura, Naritsugu Sakaino, Shinichi Nakamura, Nobuyasu Yamamoto, Toshiyuki Matsumura, Ichiro Kajiwara, Shunichi Koide, Tomohiro Sakamoto, Koichi Nakao, Shuichi Oshima, Kenichi Tsujita
BACKGROUND: The CHADS2 score has mainly been used to predict the likelihood of cerebrovascular accidents in patients with atrial fibrillation. However, increasing attention is being paid to this scoring system for risk stratification of patients with coronary artery disease. We investigated the value of the CHADS2 score in predicting cardiovascular/cerebrovascular events in coronary artery disease patients without atrial fibrillation. METHODS AND RESULTS: This was a multicenter, observational cohort study...
August 16, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/28853232/rate-control-with-beta-blockers-versus-calcium-channel-blockers-in-the-emergency-setting-predictors-of-medication-class-choice-and-associated-hospitalization
#19
Clare L Atzema, Peter C Austin
OBJECTIVES: Rate-control is an important component of the management of patients with atrial fibrillation (AF). Previous studies of emergency department (ED) rate-control have been limited by relatively small sample sizes. We examined the use of beta-blockers (BB) versus non-dihydropyridine calcium channel blockers (CCB) in ED patients from 24 sites, and the associated hospital admission rates. METHODS: In this pre-planned sub-study, we examined chart data on AF patients who visited one of 24 hospital EDs in Ontario, Canada, between April 2008 and March 2009...
August 29, 2017: Academic Emergency Medicine: Official Journal of the Society for Academic Emergency Medicine
https://www.readbyqxmd.com/read/28846802/deceleration-capacity-of-heart-rate-predicts-1-year-mortality-of-patients-undergoing-transcatheter-aortic-valve-implantation
#20
Martin Duckheim, Charlotte Bensch, Linn Kittlitz, Nin Götz, Katharina Klee, Patrick Groga-Bada, Lars Mizera, Meinrad Gawaz, Christine Zuern, Christian Eick
BACKGROUND: Risk prediction in patients with severe aortic stenosis (AS) undergoing transcatheter aortic valve implantation (TAVI) is challenging. Development of novel markers for patient risk assessment is of great clinical value. Deceleration capacity (DC) of heart rate is a strong risk predictor in post-infarction patients. HYPOTHESIS: DC provides prognostic information in patients undergoing TAVI. METHODS: We enrolled 374 consecutive patients with severe AS undergoing TAVI...
August 28, 2017: Clinical Cardiology
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