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Post operative atrial fibrillation

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https://www.readbyqxmd.com/read/28203538/robotic-mitral-valve-repair-for-degenerative-posterior-leaflet-prolapse
#1
Hoda Javadikasgari, Rakesh M Suri, Bassman Tappuni, Ashley M Lowry, Tomislav Mihaljevic, Stephanie Mick, A Marc Gillinov
BACKGROUND: Robotic mitral valve (MV) repair is the least invasive surgical approach to the MV and provides unparalleled access to the valve. We sought to assess technical aspects and clinical outcomes of robotic MV repair for isolated posterior leaflet prolapse by examining the first 623 such cases performed in a tertiary care center. METHODS: We reviewed the first 623 patients (mean age 56±9.7 years) with isolated posterior leaflet prolapse who underwent robotic primary MV repair from 01/2006 to 11/2013...
January 2017: Annals of Cardiothoracic Surgery
https://www.readbyqxmd.com/read/28149556/effect-of-gender-on-perioperative-outcomes-after-robotic-assisted-pulmonary-lobectomy
#2
Jessica R Glover, Frank O Velez-Cubian, Wei Wei Zhang, Kavian Toosi, Tawee Tanvetyanon, Emily P Ng, Carla C Moodie, Joseph R Garrett, Jacques P Fontaine, Eric M Toloza
BACKGROUND: Female gender has been associated with worse outcomes after cardiovascular surgery and critical illness. We investigated the effect of gender on perioperative outcomes following robotic-assisted pulmonary lobectomy. METHODS: We retrospectively analyzed 282 consecutive patients who underwent robotic-assisted pulmonary lobectomy by one surgeon over 53 months. Perioperative outcomes and clinically significant intraoperative and postoperative complications, including respiratory and cardiovascular events, were noted...
December 2016: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28143406/vitamin-c-for-preventing-atrial-fibrillation-in-high-risk-patients-a-systematic-review-and-meta-analysis
#3
Harri Hemilä, Timo Suonsyrjä
BACKGROUND: Atrial fibrillation (AF), a common arrhythmia contributing substantially to cardiac morbidity, is associated with oxidative stress and, being an antioxidant, vitamin C might influence it. METHODS: We searched the Cochrane CENTRAL Register, MEDLINE, and Scopus databases for randomised trials on vitamin C that measured AF as an outcome in high risk patients. The two authors independently assessed the trials for inclusion, assessed the risk of bias, and extracted data...
February 1, 2017: BMC Cardiovascular Disorders
https://www.readbyqxmd.com/read/28143401/acute-kidney-injury-induces-high-sensitivity-troponin-measurement-changes-after-cardiac-surgery
#4
Amr S Omar, Khaled Mahmoud, Samy Hanoura, Hany Osman, Praveen Sivadasan, Suraj Sudarsanan, Yasser Shouman, Rajvir Singh, Abdulaziz AlKhulaifi
BACKGROUND: The value of cardiac troponin as a risk assessment tool for cardiac disease in the setting of end-stage renal diseases (ESRD) is not equivalent to its value in those with normal renal function. This consideration had not been studied in settings of acute kidney injury (AKI). We aim to explore the diagnostic value of high sensitive troponin T (hsTnT) in the settings of cardiac surgery-induced AKI. METHODS: Single center observational retrospective study...
January 31, 2017: BMC Anesthesiology
https://www.readbyqxmd.com/read/28079145/galectin-3-as-a-marker-of-interstitial-atrial-remodelling-involved-in-atrial-fibrillation
#5
Diana Hernández-Romero, Juan Antonio Vílchez, Álvaro Lahoz, Ana I Romero-Aniorte, Eva Jover, Arcadio García-Alberola, Rubén Jara-Rubio, Carlos M Martínez, Mariano Valdés, Francisco Marín
Remodelling in the atria could appear as a result of hypertension, diabetes or ischaemic heart disease. Galectin-3 (Gal-3) is a mediator of profibrotic pathways and a potential biomarker of cardiac remodelling. We prospectively recruited consecutive patients undergoing elective cardiac surgery. Preoperative Gal-3 levels were determined from serum samples, and the presence of fibrosis was assessed from atrial appendage tissue samples obtained during cardiac surgery. We included 100 patients with aortic valve or ischaemic heart diseases and 15 controls with permanent AF...
January 12, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28062142/aldosterone-pathway-blockade-to-prevent-atrial-fibrillation-a-systematic-review-and-meta-analysis
#6
J Neefs, N W E van den Berg, J Limpens, W R Berger, S M Boekholdt, P Sanders, J R de Groot
BACKGROUND: Despite advances in therapeutic interventions AF remains a progressive and symptomatic disease. Therefore, novel therapeutic interventions targeting the underlying arrhythmogenic substrate for AF is needed. Atrial fibrosis is an important component of the arrhythmogenic substrate of AF and may be initiated by aldosterone binding to the mineralocorticoid receptor. We hypothesized that aldosterone pathway blockade with mineralocorticoid receptor antagonists (MRA) reduces atrial fibrosis, and thus AF...
March 15, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28007062/rescuing-the-late-failing-fontan-focus-on-surgical-treatment-of-dysrhythmias
#7
REVIEW
Carl L Backer
Patients with a failing Fontan frequently have dysrhythmias. This review will focus on the treatment of those dysrhythmias based on the 140 patients who have had a Fontan conversion with arrhythmia surgery at Ann & Robert H. Lurie Children's Hospital of Chicago (Chicago, IL). Important technical points to be emphasized are the following:• Atrial fibrillation is extremely common in patients with a failing Fontan and strong consideration should be given to a Cox-maze III during any Fontan conversion• Sinus node dysfunction is common post-conversion and all patients should receive a dual-chamber epicardial pacemaker• Careful preoperative imaging with either computed tomographic or magnetic resonance imaging is needed to predict re-entry problems at the time of repeat sternotomy• If the patient has protein-losing enteropathy, ascites, or a right or indeterminate ventricular morphology, strong consideration should be given to heart transplantation rather than a Fontan conversion and arrhythmia surgery...
January 2017: Seminars in Thoracic and Cardiovascular Surgery. Pediatric Cardiac Surgery Annual
https://www.readbyqxmd.com/read/27989053/conventional-and-novel-predictors-of-permanent-pacemaker-after-tavi-in-atrial-fibrillation-patients
#8
Guilherme Portugal, Lino Patrício, Ana Abreu, Duarte Cacela, Mário Oliveira, Rui Ferreira
BACKGROUND: Atrial fibrillation (AF) is common in patients submitted for transcatheter aortic valve implantation (TAVI), and these patients are at higher risk of developing conduction system disturbances requiring pacemaker (PM) implantation. Conventional predictors for PM use in this population have limited applicability. It was hypothesized that a post-procedural heart rate reduction could gauge the degree of atrioventricular (AV) node injury, and that this would be a clinically useful predictor of a need for PM...
May 2016: Journal of Heart Valve Disease
https://www.readbyqxmd.com/read/27932071/clinical-predictors-and-outcome-implications-of-early-readmission-in-lung-transplant-recipients
#9
Asishana A Osho, Anthony W Castleberry, Babatunde A Yerokun, Michael S Mulvihill, Justin Rucker, Laurie D Snyder, Robert D Davis, Matthew G Hartwig
BACKGROUND: The purpose of this study was to identify risk factors and outcome implications for 30-day hospital readmission in lung transplant recipients. METHODS: We conducted a retrospective cohort study of lung transplant cases from a single, high-volume lung transplant program between January 2000 and March 2012. Demographic and health data were reviewed for all patients. Risk factors for 30-day readmission (defined as readmission within 30 days of discharge from index lung transplant hospitalization) were modeled using logistic regression, with selection of parameters by backward elimination...
November 10, 2016: Journal of Heart and Lung Transplantation
https://www.readbyqxmd.com/read/27923791/reduced-density-and-altered-regulation-of-rat-atrial-l-type-ca2-current-in-rat-heart-failure
#10
Richard C Bond, Simon M Bryant, Judy J Watson, Jules C Hancox, Clive H Orchard, Andrew F James
Atrial L-type Ca(2+) current (ICaL) downregulation in heart failure contributes to the pathogenesis of atrial fibrillation and is proposed to involve reduction in channel phosphorylation by PKA. The regulation of atrial ICaL was examined in heart failure. Anesthetized adult male Wistar rats underwent surgical coronary artery ligation (CAL, N=10) or equivalent sham-operation (Sham, N=12). Left atrial myocytes were isolated ~18 weeks post-surgery and whole-cell currents recorded (holding potential=-80 mV). ICaL activated by depolarizing pulses to voltages from -40 to +50 mV were normalized to cell capacitance and current density-voltage relations plotted...
December 6, 2016: American Journal of Physiology. Heart and Circulatory Physiology
https://www.readbyqxmd.com/read/27919764/postoperative-atrial-tachycardias-after-mitral-valve-surgery-mechanisms-and-outcomes-of-catheter-ablation
#11
Andres Enriquez, Pasquale Santangeli, Erica Zado, Jackson Liang, Simon Castro, Fermin Garcia, Robert Schaller, Gregory Supple, David Frankel, David Callans, David Lin, Sanjay Dixit, Rajat Deo, Michael Riley, Francis Marchlinski
BACKGROUND: Atrial tachycardias (ATs) including atrial fibrillation are common arrhythmias occurring late after mitral valve (MV) surgery, and their management is challenging. OBJECTIVE: The purpose of this study was to determine the electrophysiological mechanisms of ATs in patients with prior MV surgery and the long-term outcomes of catheter ablation. METHODS: We studied 67 consecutive patients (mean age 59.4 ± 10.6 years; 41 men) with prior MV surgery who presented with ATs postoperatively between 2007 and 2015...
December 3, 2016: Heart Rhythm: the Official Journal of the Heart Rhythm Society
https://www.readbyqxmd.com/read/27909477/sotalol-versus-amiodarone-in-treatment-of-atrial-fibrillation
#12
John Somberg Md, Janos Molnar Md
The availability of intravenous (IV) Sotalol has equalized the treatment options since both amiodarone and sotalol are available in both IV and oral formulations. A review of the efficacy of sotalol as compared to amiodarone both for conversion of atrial fibrillation (AF) and maintenance of normal sinus rhythm (NSR) following cardiac surgery was undertaken. Standard methods of meta-analysis were employed. Full text publications of clinical trials written in English that compared the efficacy of sotalol to amiodarone were included in the analysis...
February 2016: Journal of Atrial Fibrillation
https://www.readbyqxmd.com/read/27909472/a-patient-with-asymptomatic-cerebral-lesions-during-af-ablation-how-much-should-we-worry
#13
REVIEW
Giovanni B Forleo Md PhD, Domenico G Della Rocca Md, Carlo Lavalle Md, Massimo Mantica Md, Lida P Papavasileiou Md, Valentina Ribatti Md, Germana Panattoni Md, Luca Santini Md PhD, Andrea Natale Md PhD, Luigi Di Biase Md PhD
Silent brain lesions due to thrombogenicity of the procedure represent recognized side effects of atrial fibrillation (AF) catheter ablation. Embolic risk is higher if anticoagulation is inadequate and recent studies suggest that uninterrupted anticoagulation, ACT levels above 300 seconds and administration of a pre-transeptal bolus of heparin might significantly reduce the incidence of silent cerebral ischemia (SCI) to 2%. Asymptomatic new lesions during AF ablation should suggest worse neuropsychological outcome as a result of the association between silent cerebral infarcts and increased long-term risk of dementia in non-ablated AF patients...
February 2016: Journal of Atrial Fibrillation
https://www.readbyqxmd.com/read/27904840/surgical-experience-on-chronic-constrictive-pericarditis-in-african-setting-review-of-35-years-experience-in-cote-d-ivoire
#14
Koffi Herve Yangni-Angate, Yves Tanauh, Christophe Meneas, Florent Diby, Anicet Adoubi, Manga Diomande
BACKGROUND: Surgical experience with chronic constrictive pericarditis (CCP) is rarely documented in Africa; the aim of this study is therefore to review our African experience with CCP from 1977 to 2012 in terms of clinical and surgical outcomes and risk factors of early death after pericardiectomy. METHODS: This retrospective study is related to 120 patients with CCP; there were 72 men and 48 women with an average age at 28.8±10.4 years standard deviation (SD) (8-51 years)...
October 2016: Cardiovascular Diagnosis and Therapy
https://www.readbyqxmd.com/read/27892888/early-de-novo-atrial-fibrillation-after-coronary-artery-bypass-grafting-facts-and-features
#15
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/27883975/evaluation-of-current-practices-in-transcatheter-aortic-valve-implantation-the-written-worldwide-tavi-experience-survey
#16
Enrico Cerrato, Luis Nombela-Franco, Tamim M Nazif, Helene Eltchaninoff, Lars Søndergaard, Henrique B Ribeiro, Marco Barbanti, Fabian Nietlispach, Peter De Jaegere, Pierfrancesco Agostoni, Ramiro Trillo, Pilar Jimenez-Quevedo, Fabrizio D'Ascenzo, Olaf Wendler, Gabriel Maluenda, Mao Chen, Corrado Tamburino, Carlos Macaya, Martin B Leon, Josep Rodes-Cabau
BACKGROUND: Transcatheter aortic valve implantation (TAVI) has been adopted worldwide as the standard treatment for severe aortic stenosis in symptomatic patients at prohibitive or high surgical risk, but there are still several areas where consensus and evidence are lacking. The purpose was to obtain a global view of current practice related to TAVI with the potential to identify the main areas of consensus and divergence between centers. METHODS: An online questionnaire was distributed in centers performing TAVI including a total of 59 questions concerning pre-procedural evaluation, procedural practices and post-procedural management...
February 1, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/27876282/to-use-or-not-to-use-amiodarone-before-heart-transplantation
#17
Entela B Lushaj, Ravi Dhingra, Shahzad Chindhy, Shahab Akhter, Takushi Kohmoto, Susan Ulschmid, Satoru Osaki, Abbasali Badami, Lucian Lozonschi
BACKGROUND: Amiodarone frequently is used in patients with heart failure. Concerns still exist about possible complications related to its lingering effect during and after heart transplantation. METHODS: We selected all consecutive patients who received a heart transplant at our institution between January 2004 and December 2015 (n = 220) and compared the peri- and postoperative outcomes of patients who were taking amiodarone for at least 120 days before heart transplant (n = 127) with patients who did not take amiodarone prior to heart transplant (n = 93)...
November 19, 2016: Surgery
https://www.readbyqxmd.com/read/27865966/febuxostat-attenuates-paroxysmal-atrial-fibrillation-induced-regional-endothelial-dysfunction
#18
YanGuang Li, FuKun Chen, Long Deng, Kun Lin, Xiangmin Shi, Shan Zhaoliang, YuTang Wang
BACKGROUND: Paroxysmal atrial fibrillation (PAF) can increase thrombogenesis risk, especially in the left atrium (LA). The exact mechanism is still unclear. OBJECTIVE: We assessed the effects of PAF on endothelial function, and investigated if febuxostat (FX) can attenuate endothelial dysfunction by inhibition of xanthine oxidase (XO). MATERIALS AND METHODS: Eighteen male New Zealand white rabbits were divided randomly into sham-operated (S), PAF (P) or FX+pacing (FP) groups...
January 2017: Thrombosis Research
https://www.readbyqxmd.com/read/27855288/should-pre-operative-left-atrial-volume-receive-more-consideration-in-patients-with-degenerative-mitral-valve-disease-undergoing-mitral-valve-surgery
#19
Giuseppe Di Gioia, Simona Mega, Antonio Nenna, Cosimo Marco Campanale, Iginio Colaiori, Domenico Scordino, Laura Ragni, Marco Miglionico, Germano Di Sciascio
BACKGROUND: Severe primary mitral regurgitation (MR) carries a significant incidence of mortality and morbidity. Though a number of prognostic factors have been identified, the best timing for mitral valve repair is still debated. We assessed the role of Left Atrial Volume Indexed (LAVI) as predictor of adverse events after mitral valve surgery. METHODS: 134 patients with severe MR were studied with a follow-up of 42±16months. Endpoints were Post-Operative Atrial Fibrillation (POAF), atrial and ventricular remodeling (LARR/LVRR) and correlation with outcome...
January 15, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/27847563/randomized-controlled-trial-of-remote-ischemic-preconditioning-and-atrial-fibrillation-in-patients-undergoing-cardiac-surgery
#20
Amir S Lotfi, Hossein Eftekhari, Auras R Atreya, Ananth Kashikar, Senthil K Sivalingam, Miguel Giannoni, Paul Visintainer, Daniel Engelman
AIM: To study whether remote ischemic preconditioning (RIPC) has an impact on clinical outcomes, such as post-operative atrial fibrillation (POAF). METHODS: This was a prospective, single-center, single-blinded, randomized controlled study. One hundred and two patients were randomized to receive RIPC (3 cycles of 5 min ischemia and 5 min reperfusion in the upper arm after induction of anesthesia) or no RIPC (control). Primary outcome was POAF lasting for five minutes or longer during the first seven days after surgery...
October 26, 2016: World Journal of Cardiology
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