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Early Onset Atrial Fibrillation

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https://www.readbyqxmd.com/read/29197413/timing-of-oral-anticoagulant-therapy-in-acute-ischemic-stroke-with-atrial-fibrillation-study-protocol-for-a-registry-based-randomised-controlled-trial
#1
Signild Åsberg, Ziad Hijazi, Bo Norrving, Andreas Terént, Patrik Öhagen, Jonas Oldgren
BACKGROUND: Oral anticoagulation therapy is recommended for the prevention of recurrent ischemic stroke in patients with atrial fibrillation (AF). Current guidelines do not provide evidence-based recommendations on optimal time-point to start anticoagulation therapy after an acute ischemic stroke. Non-vitamin K antagonist oral anticoagulants (NOACs) may offer advantages compared to warfarin because of faster and more predictable onset of action and potentially a lower risk of intracerebral haemorrhage also in the acute phase after an ischemic stroke...
December 2, 2017: Trials
https://www.readbyqxmd.com/read/29161419/incidence-of-postoperative-atrial-fibrillation-recurrence-in-patients-discharged-in-sinus-rhythm-after-cardiac-surgery-a-systematic-review-and-meta-analysis
#2
Nicole Lowres, Georgina Mulcahy, Kai Jin, Robyn Gallagher, Lis Neubeck, Ben Freedman
Postoperative atrial fibrillation (POAF) is associated with increased stroke risk and mortality post-discharge. POAF is often considered transient; however, recurrence is likely under-recognized as symptoms are an unreliable guide. Surveillance post-discharge may identify asymptomatic POAF recurrences in patients discharged in sinus rhythm. Therefore, we performed a systematic review and meta-analysis of studies investigating POAF recurrence post-discharge, in patients with new-onset POAF following cardiac surgery who reverted to sinus rhythm prior to discharge...
November 17, 2017: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/29107160/resumption-of-antithrombotic-agents-in-chronic-subdural-hematoma-a-systematic-review-and-meta-analysis
#3
Kevin Phan, David Abi-Hanna, Jack Kerferd, Victor M Lu, Adam A Dmytriw, Yam-Ting Ho, Jacob Fairhall, Rajesh Reddy, Peter Wilson
BACKGROUND: The clinical decision whether and when to resume antithrombotics in patients with chronic subdural hematomas (CSDH) postoperatively is limited by a lack of quality evidence exploring this topic. Our study aims to assess the available evidence of patient complication outcomes, specifically hemorrhagic and thromboembolic events, following the resumption or non-resumption of antithrombotic agents postoperatively in CSDH patients already on these agents before CSDH. METHODS: We followed recommended PRISMA guidelines for systematic reviews...
October 26, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/29095976/lamin-a-c-cardiomyopathy-young-onset-high-penetrance-and-frequent-need-for-heart-transplantation
#4
Nina Eide Hasselberg, Trine Fink Haland, Jørg Saberniak, Pål Haugar Brekke, Knut Erik Berge, Trond Paul Leren, Thor Edvardsen, Kristina Hermann Haugaa
Aims: Lamin A/C (LMNA) mutations cause familial dilated cardiomyopathy (DCM) with frequent conduction blocks and arrhythmias. We explored the prevalence, cardiac penetrance, and expressivity of LMNA mutations among familial DCM in Norway. Furthermore, we explored the risk factors and the outcomes in LMNA patients. Methods and results: During 2003-15, genetic testing was performed in patients referred for familial DCM. LMNA genotype-positive subjects were examined by electrocardiography, Holter monitoring, cardiac magnetic resonance imaging, and echocardiography...
October 31, 2017: European Heart Journal
https://www.readbyqxmd.com/read/29074341/the-clinical-significance-of-endocardial-endothelial-dysfunction
#5
REVIEW
Sonja Smiljic
Endocardial endothelium (EE) is essential in the embryonic development of the heart, the optimal contractility and rhythm as well as the remodeling of the heart. Endocardial endothelium affect the contractility of cardiomyocytes through paracrine signaling substances such as nitric oxide (NO), endothelin (ET-1), prostaglandins (PGI2, PGF2, PGE2) and angiotensin II (ANG II). Typical lesions of endocardial endothelium have been described in atrial fibrillation, ischemia/reperfusion injury, cardiac hypertrophy, heart failure, sepsis, myocardial infarction, inflammation and thrombosis...
September 21, 2017: Medicina
https://www.readbyqxmd.com/read/29034898/generation-of-induced-pluripotent-stem-cells-ipsc-from-an-atrial-fibrillation-patient-carrying-a-pitx2-p-m200v-mutation
#6
Cristina Mora, Marialaura Serzanti, Alessio Giacomelli, Silvia Beltramone, Eleonora Marchina, Valeria Bertini, Giovanna Piovani, Lena Refsgaard, Morten Salling Olesen, Venusia Cortellini, Patrizia Dell'Era
Atrial fibrillation (AF) is the most common sustained arrhythmia associated with several cardiac risk factors, but increasing evidences indicated a genetic component. Indeed, genetic variations of the specific PITX2 gene have been identified in patients with early-onset AF. To investigate the molecular mechanisms underlying AF, we reprogrammed to pluripotency polymorphonucleated leukocytes isolated from the blood of a patient carrying a PITX2 p.M200V mutation, using a commercially available non-integrating expression system...
October 2017: Stem Cell Research
https://www.readbyqxmd.com/read/29034891/generation-of-induced-pluripotent-stem-cells-ipsc-from-an-atrial-fibrillation-patient-carrying-a-kcna5-p-d322h-mutation
#7
Cristina Mora, Marialaura Serzanti, Alessio Giacomelli, Valentina Turco, Eleonora Marchina, Valeria Bertini, Giovanna Piovani, Giulia Savio, Lena Refsgaard, Morten Salling Olesen, Venusia Cortellini, Patrizia Dell'Era
Atrial fibrillation (AF) is the most common sustained arrhythmia associated with several cardiac risk factors, but increasing evidences indicated a genetic component. Indeed, genetic variations of the atrial specific KCNA5 gene have been identified in patients with early-onset lone AF. To investigate the molecular mechanisms underlying AF, we reprogrammed to pluripotency polymorphonucleated leukocytes isolated from the blood of a patient carrying a KCNA5 p.D322H mutation, using a commercially available non-integrating system...
October 2017: Stem Cell Research
https://www.readbyqxmd.com/read/29034311/left-atrial-deformation-useful-index-for-early-detection-of-cardiac-damage-in-chronic-mitral-regurgitation
#8
REVIEW
M Cameli, E Incampo, S Mondillo
In chronic mitral regurgitation (MR) left atrium is one of the first cardiac structures that is involved in remodeling and ultrastructural changes for a progressive volume overload. Severe left atrial (LA) dilation on echocardiography and new onset of atrial fibrillation in asymptomatic patients with preserved Left Ventricular (LV) function, appeared as a Class IIb recommendation for consideration for surgical mitral valve repair in the actual guidelines. However, before atrial dilatation and dysfunction, several ultrastructural changes appear in the atrial muscle tissue that are difficult to identify with the standard echocardiography...
December 2017: IJC Heart & Vasculature
https://www.readbyqxmd.com/read/28990803/new-onset-postoperative-atrial-fibrillation-and-early-anticoagulation-after-cardiac-surgery
#9
Martin Maaroos, Hanna Pohjantähti-Maaroos, Jari Halonen, Juha Vähämetsä, Johanna Turtiainen, Juha Rantonen, Tapio Hakala, Ari A Mennander, Juha Hartikainen
OBJECTIVES: New onset postoperative atrial fibrillation (POAF) after cardiac surgery is associated with increased risk for thromboembolic complications. Compliance with anticoagulation treatment is prerequisite for successful outcome after POAF. We hypothesized that a disciplined anticoagulation protocol initiated instantly after POAF secures a long-term outcome. DESIGN: A total of 519 consecutive patients undergoing cardiac surgery were retrospectively analyzed...
December 2017: Scandinavian Cardiovascular Journal: SCJ
https://www.readbyqxmd.com/read/28964554/impact-of-cardio-renal-syndrome-on-adverse-outcomes-in-patients-with-fabry-disease-in-a-long-term-follow-up
#10
M Siegenthaler, U Huynh-Do, P Krayenbuehl, E Pollock, U Widmer, H Debaix, E Olinger, M Frank, M Namdar, F Ruschitzka, A Nowak
AIMS: Fabry disease (FD) is a rare X-linked lysosomal storage disease with a deficiency of α-galactosidase A leading to progressive sphingolipid accumulation in different organs, among them heart and kidney. We evaluated the impact of cardio-renal syndrome (CRS) on the incidence of major cardiovascular complications and death in a prospective FD cohort. METHODS AND RESULTS: A total of 104 genetically proven FD patients were annually followed at the University Hospitals Zurich and Bern...
December 15, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28947480/esophageal-injury-and-atrioesophageal-fistula-caused-by-ablation-for-atrial-fibrillation
#11
REVIEW
Sunil Kapur, Chirag Barbhaiya, Thomas Deneke, Gregory F Michaud
Esophageal perforation is a dreaded complication of atrial fibrillation ablation that occurs in 0.1% to 0.25% of atrial fibrillation ablation procedures. Delayed diagnosis is associated with the development of atrial-esophageal fistula (AEF) and increased mortality. The relationship between the esophagus and the left atrial posterior wall is variable, and the esophagus is most susceptible to injury where it is closest to areas of endocardial ablation. Esophageal ulcer seems to precede AEF development, and postablation endoscopy documenting esophageal ulcer may identify patients at higher risk for AEF...
September 26, 2017: Circulation
https://www.readbyqxmd.com/read/28940628/identification%C3%A2-of-electrocardiographic-risk-markers-for-the-initial-and-recurrent-episodes-of-ventricular-fibrillation-in-patients-with-brugada-syndrome
#12
Hiroshi Morita, Atsuyuki Watanabe, Satoshi Kawada, Masakazu Miyamoto, Yoshimasa Morimoto, Koji Nakagawa, Nobuhiro Nishii, Kazufumi Nakamura, Hiroshi Ito
INTRODUCTION: New onset of ventricular fibrillation (VF) in asymptomatic patients with Brugada-type ECG is not frequent, but it cannot be negligible. Risk markers for predicting VF are usually based on results of analysis in symptomatic patients, and they have not been determined for asymptomatic patients. We analyzed ECG markers in patients with Brugada syndrome to differentiate the risk factors for VF in both symptomatic and asymptomatic patients. METHODS: The subjects were 471 patients with Brugada syndrome and we divided the subjects into two groups: Asymptomatic group (n = 326) and Symptomatic group (syncope: n = 122, VF: n = 23)...
September 22, 2017: Journal of Cardiovascular Electrophysiology
https://www.readbyqxmd.com/read/28938965/impact-of-atrial-fibrillation-on-outcomes-of-patients-treated-by-transcatheter-aortic-valve-implantation-a-systematic-review-and-meta-analysis
#13
REVIEW
Marco Mojoli, Bernard J Gersh, Alberto Barioli, Giulia Masiero, Paola Tellaroli, Gianpiero D'Amico, Giuseppe Tarantini
BACKGROUND: Conflicting data have been reported related to the impact of atrial fibrillation (AF) on the outcomes after transcatheter aortic valve implantation (TAVI). We aimed to assess the prognosis of TAVI-treated patients according to the presence of pre-existing or new-onset AF. METHODS: Studies published between April 2002 and November 2016 and reporting outcomes of pre-existing AF, new-onset AF, or sinus rhythm in patients undergoing TAVI were identified with an electronic search...
October 2017: American Heart Journal
https://www.readbyqxmd.com/read/28882130/the-hemorrhagic-transformation-index-score-a-prediction-tool-in-middle-cerebral-artery-ischemic-stroke
#14
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/28804875/prehospital-pathways-of-occipital-stroke-patients-with-mainly-visual-symptoms
#15
S Räty, K Silvennoinen, T Tatlisumak
OBJECTIVES: Occipital ischemic strokes typically cause homonymous visual field defects, for which means of rehabilitation are limited. Intravenous thrombolysis is increasingly and successfully used for their acute treatment. However, recognition of strokes presenting with mainly visual field defects is challenging for both patients and healthcare professionals. We studied prehospital pathways of occipital stroke patients with mainly visual symptoms to define obstacles in their early recognition...
August 13, 2017: Acta Neurologica Scandinavica
https://www.readbyqxmd.com/read/28803858/in-silico-investigations-of-the-functional-impact-of-kcna5-mutations-on-atrial-mechanical-dynamics
#16
Haibo Ni, Ismail Adeniran, Henggui Zhang
A recent study has identified six novel genetic variations (D322H, E48G, A305T, D469E, Y155C, P488S) in KCNA5 (encoding Kv1.5 which carries the atrial-specific ultra-rapid delayed rectifier current, IKur) in patients with early onset of lone atrial fibrillation. These mutations are distinctive, resulting in either gain-of-function (D322H, E48G, A305T) or loss-of-function (D469E, Y155C, P488S) of IKur channels. Though affecting potassium channels, they may modulate the cellular active force and therefore atrial mechanical functions, which remains to be elucidated...
August 10, 2017: Journal of Molecular and Cellular Cardiology
https://www.readbyqxmd.com/read/28795030/comparison-of-the-outcomes-between-surgical-aortic-valve-replacement-and-transcatheter-aortic-valve-replacement-in-patients-aged-above-80
#17
Jeong-Woo Lee, Jihoon Kim, Sung-Ho Jung, Cheol Hyun Chung, Jae Won Lee
BACKGROUND: Transcatheter aortic valve replacement (TAVR) has been suggested as a less invasive treatment for high-risk patients with aortic valve disease. In this study, we compared the outcomes of conventional surgical aortic valve replacement (AVR) and TAVR in elderly patients aged over 80. METHODS: A total of 108 patients aged 80 years or older who underwent isolated AVR (n=35) or TAVR (n=73) from 2010 through 2015 at Asan Medical Center were identified. Early and late clinical outcomes, including echocardiographic findings, were evaluated in both groups...
August 2017: Korean Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28792140/effect-of-patient-prosthesis-mismatch-in-aortic-position-on-late-onset-tricuspid-regurgitation-and-clinical-outcomes-after-double-valve-replacement
#18
Seung Hyun Lee, Young Nam Youn, Byung Chul Chang, Hyun Chel Joo, Sak Lee, Kyung Jong Yoo
PURPOSE: Significant late-onset tricuspid regurgitation (TR) is unfortunately common after double valve replacement (DVR); however, its underlying factors remain undefined. We evaluated the effect of aortic patient-prosthesis mismatch (PPM) on late-onset TR and clinical outcomes after DVR. MATERIALS AND METHODS: Of the 2392 consecutive patients who underwent aortic valve replacement between January 1990 and May 2014 at our institution, we retrospectively studied 462 patients who underwent DVR (excluding concomitant tricuspid valvular annuloplasty or replacement)...
September 2017: Yonsei Medical Journal
https://www.readbyqxmd.com/read/28762905/-atrial-fibrillation-after-coronary-artery-bypass-grafting
#19
O A Rubanenko, O V Fatenkov, S M Khokhlunov, L V Limareva
PURPOSE: to identify the role of factors of inflammation and myocardial ischemia in the development of atrial fibrillation (AF) in the early postoperative period after coronary artery bypass grafting (CABG). METHODS: We enrolled in this study 96 patients with ischemic heart disease who had undergone CABG. Patients were divided into 2 groups: (1) without postoperative AF (n=67, 80.6% men, mean age 57.9+/-7.3 years), (2) with early new-onset AF after CABG (n=29, 86% men, mean age 64...
April 2017: Kardiologiia
https://www.readbyqxmd.com/read/28748652/bleeding-related-hospital-admissions-and-30-day-readmissions-in-patients-with-non-valvular-atrial-fibrillation-treated-with-dabigatran-versus-warfarin
#20
W C Y Lau, X Li, I C K Wong, K K C Man, G Y H Lip, W K Leung, C W Siu, E W Chan
Essentials Bleeding is a common cause of hospital admission and readmission in oral anticoagulant users. Patients with dabigatran and warfarin were included to assess hospital admission risk. Dabigatran users had a higher risk of 30-day readmission with bleeding than warfarin users. Close monitoring following hospital discharge for dabigatran-related bleeding is warranted. SUMMARY: Background Reducing 30-day hospital readmission is a policy priority worldwide. Warfarin-related bleeding is among the most common cause of hospital admissions as a result of adverse drug events...
July 27, 2017: Journal of Thrombosis and Haemostasis: JTH
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