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https://www.readbyqxmd.com/read/28007240/the-society-of-thoracic-surgeons-2017-clinical-practice-guidelines-for-the-surgical-treatment-of-atrial-fibrillation
#1
Vinay Badhwar, J Scott Rankin, Ralph J Damiano, A Marc Gillinov, Faisal G Bakaeen, James R Edgerton, Jonathan M Philpott, Patrick M McCarthy, Steven F Bolling, Harold G Roberts, Vinod H Thourani, Rakesh M Suri, Richard J Shemin, Scott Firestone, Niv Ad
Surgical ablation for atrial fibrillation (AF) can be performed without additional risk of operative mortality or major morbidity, and is recommended at the time of concomitant mitral operations to restore sinus rhythm. (Class I, Level A) Surgical ablation for AF can be performed without additional operative risk of mortality or major morbidity, and is recommended at the time of concomitant isolated aortic valve replacement, isolated coronary artery bypass graft surgery, and aortic valve replacement plus coronary artery bypass graft operations to restore sinus rhythm...
January 2017: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/27987279/falsely-elevated-troponin-rare-occurrence-or-future-problem
#2
James Nguyen, Rosy Thachil, Neil Vyas, Thomas Marino
INTRODUCTION: Troponins are known to be released in response to cardiac damage and therefore are the biomarkers of choice for the early diagnosis of acute myocardial infarction (AMI), improving outcome in patients presenting with chest pain. However, false results can occur due to interference from other substances in the blood. CASE: A 52-year-old male with a past medical history of alcohol abuse, hypertension, and coronary artery bypass graft at age 34 with normal stress test 2 years before presented to the emergency department (ED) complaining of 1 day of non-exertional chest pain with radiation to the neck and left arm...
2016: Journal of Community Hospital Internal Medicine Perspectives
https://www.readbyqxmd.com/read/27968767/safety-of-device-implantation-under-antipatelet-therapy-with-ticagrelor-about-20-cases
#3
W Amara, S Naccache, C Akret, S Cheggour, S M'Zoughi, G Galuscan, A Dompnier
INTRODUCTION: Management of antiplatelet therapy at the time of device implantation remains controversial. This study aimed to assess the risk of bleeding complications in patients receiving ticagrelor at the time of cardiac device surgery. METHODS: We performed a multicentre (N=4), retrospective study from January 2015 to January 2016. The survey included all patients (pts) treated with ticagrelor before undergoing pacemaker, implantable-cardioverter defibrillator (ICD) implantation or generator replacement...
November 2016: Annales de Cardiologie et D'angéiologie
https://www.readbyqxmd.com/read/27909513/assessment-of-sinoatrial-node-function-in-patients-with-persistent-and-long-standing-persistent-forms-of-atrial-fibrillation-after-maze-iii-procedure-combined-with-mitral-valve-operation
#4
Kulikov Aleksei A, Bokeria Leo A
RESEARCH OBJECTIVE: Assessment of sinoatrial node function after Maze III procedure combined with a mitral valve operation. METHODS: 100 patients were included in the research with persistent and long-standing persistent forms of atrial fibrillation (AF) and need of operative treatment concerning valve disease. The following preoperative preparation methods were executed to all patients: Electrocardiogram in 12 standard assignments;Two-dimensional echocardiographic with assessment of systolic and diastolic functions of the left ventricle, size of the left atrium and grade of valve disease;Transesophageal echocardiography for exclusion of blood clots in the left atrium and left atrial appendage;Coronary angiography for exclusion of coronary heart disease;Computer tomography for examination of cardiac chambers and anatomic characteristics of pulmonary veins...
June 2016: Journal of Atrial Fibrillation
https://www.readbyqxmd.com/read/27892888/early-de-novo-atrial-fibrillation-after-coronary-artery-bypass-grafting-facts-and-features
#5
Ameeta Yaksh, Charles Kik, Paul Knops, Maarten J B van Ettinger, Ad J J C Bogers, Natasja M S de Groot
: Knowledge of the mechanism underlying post-operative atrial fibrillation (PoAF) is essential for development of preventive measures. The incidence and characteristics of both PoAF and supraventricular premature beats triggering PoAF, their interrelationship and alterations over time have never been examined. The goal of this study is therefore to examine the correlation between the incidence and characteristics of supraventricular premature beats (SVPBs) and PoAF episodes in patients undergoing CABG in the first five post-operative days...
November 10, 2016: American Heart Journal
https://www.readbyqxmd.com/read/27867292/new-impella-cardiac-power-device-used-in-patient-with-cardiogenic-shock-due-to-nonischemic-cardiomyopathy
#6
Marek Cena, Frances Karam, Rajesh Ramineni, Wissam Khalife, Alejandro Barbagelata
The new percutaneous Impella CP (Cardiac Power; Abiomed, Inc., Danvers, MA) was designed to provide a higher level of support than Impella 2.5 (Abiomed, Inc.). We present the first documented case of a patient that was transitioned from the Impella 2.5 to Impella CP. A 48-year-old male patient with no medical history was transferred to our institution with a one day history of worsening shortness of breath. The patient was unstable and found to have monomorphic ventricular tachycardia at 220 beats/min that was cardioverted to normal sinus rhythm...
December 2016: International Journal of Angiology: Official Publication of the International College of Angiology, Inc
https://www.readbyqxmd.com/read/27846815/endomyocardial-biopsy-via-the-femoral-access-still-safe-and-valuable-diagnostic-tool
#7
Sylwia Sławek, Aleksander Araszkiewicz, Agnieszka Gaczkowska, Justyna Koszarska, Damian Celiński, Marek Grygier, Maciej Lesiak, Stefan Grajek
BACKGROUND: The endomyocardial biopsy has proven to be an integral diagnostic tool for surveillance of cardiac allograft rejection and identification of myocardial diseases. Nevertheless, this invasive procedure is not risk-free. This study focuses on the risk of complications and diagnostic performance of right ventricular endomyocardial biopsy (EMB). METHODS: In this single-center retrospective study, we analyzed 315 EMB procedures performed between July 2008 and May 2015 in 73 patients...
November 15, 2016: BMC Cardiovascular Disorders
https://www.readbyqxmd.com/read/27801307/pregnancy-related-cardiovascular-complications-case-presentation-and-review-of-literature
#8
Hasan Baki Altinsoy, Ozkan Alatas, Salih Colak, Hakan Atalay, Omer Faruk Dogan
BACKGROUND: Cardiovascular complications that can cause severe catastrophic outcomes for both the mother and the fetus are rarely seen during pregnancy. Time to diagnosis is often delayed by a low degree of suspicion and atypical presentation. We report surgical strategies in three pregnant women with cardiovascular complications. METHODS: A retrospective search from 2009 to 2016 identified three pregnant women who underwent urgent cardiac surgery. We used extracorporeal circulation (ECC) without cesarean section with careful follow-up of the fetuses during the perioperative and postoperative period...
October 31, 2016: Heart Surgery Forum
https://www.readbyqxmd.com/read/27772643/intensive-hemodialysis-left-ventricular-hypertrophy-and-cardiovascular-disease
#9
Peter A McCullough, Christopher T Chan, Eric D Weinhandl, John M Burkart, George L Bakris
The prevalence of cardiovascular disease, including cardiac arrhythmia, coronary artery disease, cardiomyopathy, and valvular heart disease, is higher in hemodialysis (HD) patients than in the US resident population. Cardiovascular disease is the leading cause of death in HD patients and the principal discharge diagnosis accompanying 1 in 4 hospital admissions. Furthermore, the rate of hospital admissions for either heart failure or fluid overload is persistently high despite widespread use of β-blockers and renin-angiotensin system inhibitors and attempts to manage fluid overload with ultrafiltration...
November 2016: American Journal of Kidney Diseases: the Official Journal of the National Kidney Foundation
https://www.readbyqxmd.com/read/27764240/feasibility-of-in-vivo-simulation-of-acute-hemodynamics-in-human-atrial-fibrillation
#10
Marek Sramko, Dan Wichterle, Josef Kautzner
This study evaluated hemodynamic feasibility and reproducibility of a new method for in vivo simulation of human atrial fibrillation (AF). The method was tested during sinus rhythm in 10 patients undergoing catheter ablation for AF. A simple electronic device was assembled that allowed triggering a cardiac stimulator by predefined series of RR intervals. Irregular RR interval sequences with a mean heart rate of 90/min and 130/min were obtained from ECG recordings of another patients with AF. Simultaneous atrioventricular pacing was delivered by catheters placed inside the coronary sinus and at the His bundle region...
2016: PloS One
https://www.readbyqxmd.com/read/27733386/day-night-dependence-of-gene-expression-and-inflammatory-responses-in-the-remodeling-murine-heart-post-myocardial-infarction
#11
Michael Bennardo, Faisal Alibhai, Elena Tsimakouridze, Nirmala Chinnappareddy, Peter Podobed, Cristine Reitz, W Glen Pyle, Jeremy Simpson, Tami A Martino
Diurnal or circadian rhythms are fundamentally important for healthy cardiovascular physiology and play a role in timing of onset and tolerance to myocardial infarction (MI) in patients. Whether time of day of MI triggers different molecular and cellular responses that can influence myocardial remodeling is not known. This study was designed to test whether time of day of MI triggers different gene expression, humoral, and innate inflammatory responses that contribute to cardiac repair after MI. Mice were infarcted by left anterior descending coronary artery ligation (MI model) within a 2-h time window either shortly after lights on or lights off, and the early remodeling responses at 8 h postinfarction were examined...
December 1, 2016: American Journal of Physiology. Regulatory, Integrative and Comparative Physiology
https://www.readbyqxmd.com/read/27706179/noninvasive-imaging-of-human-atrial-activation-during-atrial-flutter-and-normal-rhythm-from-body-surface-potential-maps
#12
Zhaoye Zhou, Qi Jin, Long Yu, Liqun Wu, Bin He
BACKGROUND: Knowledge of atrial electrophysiological properties is crucial for clinical intervention of atrial arrhythmias and the investigation of the underlying mechanism. This study aims to evaluate the feasibility of a novel noninvasive cardiac electrical imaging technique in imaging bi-atrial activation sequences from body surface potential maps (BSPMs). METHODS: The study includes 7 subjects, with 3 atrial flutter patients, and 4 healthy subjects with normal atrial activations...
2016: PloS One
https://www.readbyqxmd.com/read/27693167/-safety-of-device-implantation-under-antipatelet-therapy-with-ticagrelor-about-20-cases
#13
W Amara, S Naccache, C Akret, S Cheggour, S M'Zoughi, G Galuscan, A Dompnier
INTRODUCTION: Management of antiplatelet therapy at the time of device implantation remains controversial. This study aimed to assess the risk of bleeding complications in patients receiving ticagrelor at the time of cardiac device surgery. METHODS: We performed a multicentre (n=4), retrospective study from January 2015 to January 2016. The survey included all patients (pts) treated with ticagrelor before undergoing pacemaker, implantable cardioverter-defibrillator (ICD) implantation or generator replacement...
November 2016: Annales de Cardiologie et D'angéiologie
https://www.readbyqxmd.com/read/27665048/sudden-cardiac-death-a-reappraisal
#14
REVIEW
Christian Steinberg, Zachary W M Laksman, Andrew D Krahn
Sudden cardiac death (SCD) is still among the leading causes of death in women and men, accounting for over 50% of all fatal cardiovascular events in the United States. Two arrhythmia mechanisms of SCD can be distinguished as follows: shockable rhythms (ventricular fibrillation and pulseless ventricular tachycardia) and non-shockable rhythms including asystole or pulseless electrical activity. The overall prognosis of cardiac arrest due to shockable rhythms is significantly better. While the majority of SCDs is attributed to coronary artery disease or other structural heart disease, no obvious cause can be identified in 5% of all events, and those events are labeled as sudden unexplained deaths (SUD)...
November 2016: Trends in Cardiovascular Medicine
https://www.readbyqxmd.com/read/27664004/77-year-old-female-with-syncope
#15
Mahmoud A Abdelsalam, Jeffrey B Geske
CLINICAL INTRODUCTION: A 77-year-old female was referred for evaluation of an episode of syncope while eating breakfast. There was no history of fall, syncope, prodrome, dyspnoea, chest discomfort or palpitations. Medical history was notable for hyperlipidaemia and treated hypertension. Blood pressure was 140/90 mm Hg, pulse 85  beats per minute (BPM). No murmurs were present on cardiac examination. ECG revealed normal sinus rhythm with left ventricular (LV) hypertrophy (see online supplementary figure S1)...
September 23, 2016: Heart: Official Journal of the British Cardiac Society
https://www.readbyqxmd.com/read/27642736/-consciousness-disorders-from-cardiological-view
#16
Hans-Joachim Trappe
Consciousness disorders may have many causes, mainly cardiac arrhythmias. The incidence of bradyarrhythmias (BA) in patients with acute coronary syndrome (ACS) is 0.3-18 % and caused by sinus node dysfunction (SND), high degree atrioventricular (AV) block or bundle branch blocks. SND are sinus bradycardia or sinus arrest. 1st degree AV-block occurs in 4-13 % of patients with ACS caused by rhythm disturbances in atrium, AV node, bundle of His or the Tawara system. 1st or 2nd degree AV block is seen very frequently within 24 hours after beginning of ACS and these arrhythmias are frequently transient and no more present after 72 hours...
September 2016: Deutsche Medizinische Wochenschrift
https://www.readbyqxmd.com/read/27611360/cardiovascular-medicine-in-morgagni-s-de-sedibus-dawn-of-cardiovascular-pathology
#17
REVIEW
Fabio Zampieri, Alberto Zanatta, Cristina Basso, Gaetano Thiene
The most significant cardiovascular anatomoclinical observations from Morgagni's masterpiece De sedibus et causis morborum per anatomen indagatis (1761) are herein reported, divided into the current taxonomy according to cardiac structure: (a) aorta and pulmonary artery, (b) pericardium, (c) coronary arteries, (d) myocardium, (e) endocardium, (f) congenital heart defects, and (g) heart rhythm disorders. Morgagni's interpretations in cardiovascular pathology were strictly related with the most advanced theories of his time, such as those of blood circulation and iatromechanics; nevertheless, he remained close to the empirical description of clinical and pathological anatomy phenomena with their individual specificity...
November 2016: Cardiovascular Pathology: the Official Journal of the Society for Cardiovascular Pathology
https://www.readbyqxmd.com/read/27578532/insights-from-novel-noninvasive-ct-and-ecg-imaging-modalities-on-electromechanical-myocardial-activation-in-a-canine-model-of-ischemic-dyssynchronous-heart-failure
#18
Fady Dawoud, Karl H Schuleri, David D Spragg, B Milan Horáček, Ronald D Berger, Henry R Halperin, Albert C Lardo
INTRODUCTION: The interplay between electrical activation and mechanical contraction patterns is hypothesized to be central to reduced effectiveness of cardiac resynchronization therapy (CRT). Furthermore, complex scar substrates render CRT less effective. We used novel cardiac computed tomography (CT) and noninvasive electrocardiographic imaging (ECGI) techniques in an ischemic dyssynchronous heart failure (DHF) animal model to evaluate electrical and mechanical coupling of cardiac function, tissue viability, and venous accessibility of target pacing regions...
December 2016: Journal of Cardiovascular Electrophysiology
https://www.readbyqxmd.com/read/27544292/left-sided-surgical-ablation-for-patients-with-atrial-fibrillation-who-are-undergoing-concomitant-cardiac-surgical-procedures
#19
Niv Ad, Sari D Holmes, Deborah Lamont, Deborah J Shuman
BACKGROUND: Growing evidence indicates the effectiveness of surgical ablation confined to the left atrium, especially with short duration of atrial fibrillation (AF) and smaller left atrial (LA) size. This study examined rhythm status and predictors of failure in this group of patients. METHODS: Of 800 patients who underwent concomitant surgical ablation (2005 to 2015), 110 had LA-only ablation. Rhythm status was defined according to Heart Rhythm Society guidelines: sinus rhythm (SR) without class I/III antiarrhythmic drugs (AADs)...
January 2017: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/27491766/-alcohol-consumption-in-women-and-the-elderly-when-does-it-induce-heart-failure
#20
S Pankuweit
The association between alcohol consumption and the etiology and prognosis of cardiovascular diseases has been the focus of attention and also the subject of controversial discussions for many years. This is particularly true for heart failure, which can be induced by coronary artery disease (CAD), arterial hypertension, atrial and ventricular arrhythmias and cardiomyopathies. Acute effects of high doses of alcohol can lead to impairment of the cardiac contraction strength with rhythm disturbances (holiday heart syndrome), transient ischemic attacks and in rare cases to sudden cardiac death...
September 2016: Herz
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