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https://www.readbyqxmd.com/read/29146482/impaired-left-atrial-strain-as-a-predictor-of-new-onset-atrial-fibrillation-after-aortic-valve-replacement-independently-of-left-atrial-size
#1
Guilherme Pessoa-Amorim, Jennifer Mancio, Luís Vouga, José Ribeiro, Vasco Gama, Nuno Bettencourt, Ricardo Fontes-Carvalho
INTRODUCTION AND OBJECTIVES: Left atrial dysfunction in aortic stenosis may precede atrial enlargement and predict the occurrence of atrial fibrillation (AF). To test this hypothesis, we assessed left atrial function and determined its impact on the incidence of AF after aortic valve replacement. METHODS: A total of 149 severe aortic stenosis patients (74±8.6 years, 51% men) with no prior AF were assessed using speckle-tracking echocardiography. Left atrial function was evaluated using peak atrial longitudinal strain (PALS), peak atrial contraction strain (PACS), and phasic left atrial volumes...
November 13, 2017: Revista Española de Cardiología
https://www.readbyqxmd.com/read/29136152/concomitant-thoracoscopic-surgery-for-solitary-pulmonary-nodule-and-atrial-fibrillation
#2
Rongxin Lu, Ju Mei, Dongfang Zhao, Zhaolei Jiang, Haibo Xiao, Mingsong Wang, Nan Ma
OBJECTIVES: The incidence of both solitary pulmonary nodules (SPN) and non-valvular atrial fibrillation (NVAF) has increased over the past decade. We performed concomitant video-assisted thoracoscopic surgery with modified epicardial radiofrequency ablation procedure for NVAF and SPN resection. METHODS: Sixteen patients (7 men, mean age 62.6 ± 11.2 years) with SPN and NVAF underwent this procedure. Of these patients, 10 had paroxysmal atrial fibrillation and 6 persistent atrial fibrillation...
November 10, 2017: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/29126549/predicting-new-onset-post-coronary-artery-bypass-graft-atrial-fibrillation-with-existing-risk-scores
#3
Benjamin D Pollock, Giovanni Filardo, Briget da Graca, Teresa K Phan, Gorav Ailawadi, Vinod Thourani, Ralph J Damiano, James R Edgerton
BACKGROUND: New-onset atrial fibrillation (AF) after coronary artery bypass graft (CABG) operation is associated with poorer survival. Blanket prophylaxis efforts have not appreciably decreased incidence, making targeted prevention for high-risk patients desirable. We compared predictive abilities of existing scores developed/used to predict adverse CABG outcomes (Society of Thoracic Surgeons' [STS] risk of mortality) or AF not associated with cardiac operation (the Cohorts for Heart and Aging Research in Genomic Epidemiology [CHARGE]-AF score, the CHA2DS2-VASc score), and a risk model for predicting postoperative AF following cardiac operations (POAF score), with age (the most consistently identified post-CABG AF risk factor)...
November 7, 2017: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/29108780/-bayes-syndrome-in-cardiac-surgery-prevalence-of-interatrial-block-in-patients-younger-than-65-years-undergoing-cardiac-surgery-and-association-with-postoperative-atrial-fibrillation
#4
Eusebio García-Izquierdo Jaén, Pablo Cobo Rodríguez, Luis Solís Solís, Chinh Pham Trung, Diego Jiménez Sánchez, Manuel Sánchez García, Victor Castro Urda, Jorge Toquero Ramos, Ignacio Fernández Lozano
OBJECTIVE: Interatrial block (IAB) is a well-known entity that is associated with an increased risk of atrial fibrillation (AF). This association is called Bayes' syndrome. The aim of our study was to define the prevalence of IAB among patients younger than 65 years undergoing cardiac surgery and determine whether there is an association between the presence of interatrial conduction delay and postoperative atrial fibrillation (POAF). METHOD: A total of 207 patients were enrolled...
November 3, 2017: Archivos de Cardiología de México
https://www.readbyqxmd.com/read/29092113/progression-of-tricuspid-regurgitation-after-mitral-valve-replacement-for-rheumatic-heart-disease
#5
Ho H Q Tri, Pham N Vinh
BACKGROUND: Progression of tricuspid regurgitation (TR) may occur after mitral valve replacement (MVR). The study aim was to define the independent predictors for new severe TR after MVR to treat rheumatic heart disease. METHODS: A total of 413 patients (177 men, 236 women; mean age 40.9 ± 9.2 years) with rheumatic heart disease undergoing MVR without concomitant tricuspid valve repair at the authors' institute between 1995 and 2005, who did not have preoperative severe TR, were followed for at least one year postoperatively...
May 2017: Journal of Heart Valve Disease
https://www.readbyqxmd.com/read/29075499/metformin-therapy-and-postoperative-atrial-fibrillation-in-diabetic-patients-after-cardiac-surgery
#6
Suresh Basnet, Andrzej Kozikowski, Haiyan Sun, Melissa Troup, Luis E Urrutia, Renee Pekmezaris
BACKGROUND: Postoperative atrial fibrillation (AF) commonly occurs in cardiac surgery patients. Studies suggest inflammation and oxidative stress contribute to postoperative AF development in this patient population. Metformin exerts an anti-inflammatory effect that reduces oxidative stress and thus may play a role in preventing postoperative AF. METHODS: We conducted a matched, retrospective cohort study of diabetic patients' age ≥18 undergoing a coronary artery bypass graft (CABG) and/or cardiac valve surgery from January 1, 2009, to November 30, 2014...
2017: Journal of Intensive Care
https://www.readbyqxmd.com/read/29056264/performance-of-the-cox-maze-iv-procedure-is-associated-with-improved-long-term-survival-in-patients-with-atrial-fibrillation-undergoing-cardiac-surgery
#7
Farah N Musharbash, Matthew R Schill, Laurie A Sinn, Richard B Schuessler, Hersh S Maniar, Marc R Moon, Spencer J Melby, Ralph J Damiano
OBJECTIVE: Atrial fibrillation (AF) is associated with an increased mortality risk. The Cox-maze IV procedure (CM4) performed concomitantly with other cardiac procedures has been shown to be effective for restoring sinus rhythm. However, few data have been published on the late survival of patients undergoing a concomitant CM4. METHODS: Patients undergoing cardiac surgery were retrospectively reviewed from 2001 to 2016 (n = 10,859). Patients were stratified into 3 groups: patients with a history of AF receiving a concomitant CM4 (CM4; n = 438), patients with a history of AF unaddressed during surgery (Untreated AF; n = 1510), and patients without AF history (No AF; n = 8911)...
September 27, 2017: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/29049804/preoperative-statins-as-modifiers-of-cardiac-and-inflammatory-outcomes-following-coronary-artery-bypass-graft-surgery-a-meta-analysis
#8
JingHui An, FengWu Shi, Su Liu, Jie Ma, QianLi Ma
Early postoperative cardiac complications of coronary artery bypass graft surgery, such as atrial fibrillation (AF) or myocardial infarction (MI), may be beneficially modulated by preoperative statins, involving their anti-inflammatory effects. There is uncertainty on the clinical merit of statin pretreatment. Addressing this, we conducted a meta-analysis of early cardiac complications and inflammatory markers following statin pretreatment in coronary artery bypass graft surgery. A search of Medline and Cochrane databases was undertaken to identify suitable studies...
July 26, 2017: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/29049708/two-staged-hybrid-ablation-of-non-paroxysmal-atrial-fibrillation-clinical-outcomes-and-functional-improvements-after-1%C3%A2-year
#9
Petr Budera, Pavel Osmancik, David Talavera, Anna Kraupnerova, Richard Fojt, Jana Zdarska, Tomas Vanek, Zbynek Straka
OBJECTIVES: Hybrid ablation of atrial fibrillation (AF) is a promising treatment strategy; however, data regarding its efficacy and safety are still limited. METHODS: Patients with non-paroxysmal AF were enrolled. First, a thoracoscopic, epicardial isolation of pulmonary veins and the left atrial posterior wall ('box lesion') was performed; a novel unipolar/bipolar radiofrequency device was used. Moreover, in 12 patients enrolled thereafter, the left atrial appendage was occluded...
July 31, 2017: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/29045723/acute-administration-of-tumour-necrosis-factor-%C3%AE-induces-spontaneous-calcium-release-via-the-reactive-oxygen-species-pathway-in-atrial-myocytes
#10
Song Zuo, Lin-Ling Li, Yan-Fei Ruan, Le Jiang, Xin Li, Song-Nan Li, Song-Nan Wen, Rong Bai, Nian Liu, Xin Du, Jian-Zeng Dong, Chang-Sheng Ma
Aims: The arrhythmogenic mechanisms of atrial fibrillation (AF) that are induced by acute inflammation, such as postoperative AF, are not well understood. We investigated the acute effects of tumour necrosis factor-α (TNF-α) that mimic acute inflammation on Ca2+ handling in isolated atrial myocytes and its underlying mechanisms. Methods and results: Cytosol Ca2+ handling and mitochondrial reactive oxygen species (ROS) production were studied in freshly isolated atrial myocytes of wild-type mice that were exposed to TNF-α (0...
October 17, 2017: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/29033573/ten-year-outcome-of-intraoperative-treatment-of-atrial-fibrillation-using-radiofrequency-ablation
#11
Nour Boulad, Nicolas W Shammas, Gerald Early, Shauna Roberts, Gail A Shammas, Yuhning Linda Hu, Holly Park, Michael Jerin
BACKGROUND: Intraoperative radiofrequency ablation (RFA) has been advocated to treat atrial fibrillation (AF). This report examines the long-term effects of intraoperative RFA in the prevention of recurrence of AF when used as an adjunctive treatment in patients undergoing cardiac procedures for primary indications unrelated to their arrhythmia. METHODS: The study reviewed the records of patients from a tertiary medical center which had 2 cardiac surgeons performing an intraoperative adjunctive RFA procedure...
2017: Therapeutics and Clinical Risk Management
https://www.readbyqxmd.com/read/29029356/total-hip-arthroplasty-dislocation-after-cardioversion-a-case-report
#12
Ahmed Siddiqi, Carl T Talmo, James V Bono
New onset postoperative atrial fibrillation (AF) is the most common perioperative arrhythmia in the elderly. The incidence after total joint arthroplasty is much lower than other non-cardiac surgeries. Since postoperative atrial fibrillation can cause increased length of hospital stay, mortality, and healthcare costs, it is critical to focus on prevention and prompt management. New onset atrial fibrillation is treated with rhythm control for patients who demonstrate hemodynamic instability or refractory to rate control measures...
October 12, 2017: Surgical Technology International
https://www.readbyqxmd.com/read/29019577/influence-of-the-colon-in-liver-regeneration-of-rats-submitted-to-hepatectomy-and-colectomy
#13
Marília Carvalho Moreira, Ítalo Medeiros Azevedo, Cláudia Nunes Oliveira, Aldo da Cunha Medeiros
OBJECTIVE: to evaluate whether colectomy, associated with 70% hepatectomy, influences liver regeneration in rats. METHODS: we distributed 18 Wistar rats in three groups of six animals each. In group I (sham), we performed laparotomy; In group II, colectomy + 70% hepatectomy; In group III, only 70% hepatectomy. On the 6th postoperative day, we collected blood by cardiac puncture under anesthesia, followed by euthanasia. We performed serum dosages of aspartate aminotransferase (AST), alanine aminotransferase (ALT), albumin and alkaline phosphatase (AF), hepatocyte growth factor (HGF) and transforming growth factor-α (TGF-α)...
September 2017: Revista do Colégio Brasileiro de Cirurgiões
https://www.readbyqxmd.com/read/28982550/randomized-trial-of-carnitine-for-the-prevention-of-perioperative-atrial-fibrillation
#14
Farzaneh Dastan, Azita Hajhossein Talasaz, Mojtaba Mojtahedzadeh, Abbassali Karimi, Abbas Salehiomran, Payvand Bina, Arash Jalali
Atrial fibrillation (AF) is one of the most common complications in patients who undergo coronary artery bypass graft surgery (CABG). The aim of this study was to evaluate the effect of L-carnitine administration on postoperative AF and the levels of C-reactive protein (CRP) following CABG. The effects of L-carnitine on the incidence of acute kidney injury after CABG were also assessed. One hundred thirty-four patients undergoing elective CABG, without a history of AF or previous L-carnitine treatment, were randomly assigned to an L-carnitine group (3000 mg/d L-carnitine) or a control group...
August 24, 2017: Seminars in Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28980294/the-effect-of-intravenous-n-acetylcysteine-on-prevention-of-atrial-fibrillation-after-coronary-artery-bypass-graft-surgery-a-double-blind-randomized-placebo-controlled-trial
#15
Aria Soleimani, Mohammad Reza Habibi, Farshad Hasanzadeh Kiabi, Abbas Alipour, Valiollah Habibi, Soheil Azizi, Amir Emami Zeydi, Fatemeh Bozorg Sohrabi
BACKGROUND: Atrial fibrillation (AF) is one of the most frequently occurring dysrhythmias after coronary artery bypass graft (CABG) surgery. AIM: The aim of this study was to evaluate the effect of intravenous N-acetylcysteine (NAC) on the prevention of AF after CABG surgery. METHODS: In a double-blind, randomized controlled trial, a total of 150 patients who were scheduled for on-pump CABG surgery were randomly assigned into two groups. In group A, patients received an intravenous NAC infusion (50 mg/kg) after induction of anesthesia...
October 5, 2017: Kardiologia Polska
https://www.readbyqxmd.com/read/28971172/the-use-of-monocyte-to-hdl-ratio-to-predict-postoperative-atrial-fibrillation-after-aortocoronary-bypass-graft-surgery
#16
Ahmet Ilker Tekkesin, Mert Ilker Hayiroglu, Regayip Zehir, Ceyhan Turkkan, Muhammed Keskin, Goksel Cinier, Ahmet Taha Alper
OBJECTIVE: Postoperative atrial fibrillation (POAF) is a frequent and serious complication after aortocoronary bypass graft (ACBG) surgery and one that, unfortunately, increases morbidity and mortality. Postoperative stroke, hemodynamic instability, renal failure, infection, need for inotropic agent and coronary unit are complications caused by POAF. Inflammation and oxidative stress are among several mechanisms that contribute to pathogenesis of POAF. Monocyte to HDL (M/H) ratio is a newly defined parameter of both inflammation and oxidative stress...
2017: Northern Clinics of Istanbul
https://www.readbyqxmd.com/read/28964598/predictors-of-long-term-success-after-concomitant-surgical-ablation-for-atrial-fibrillation
#17
Simon Pecha, Susanne Ghandili, Samer Hakmi, Stephan Willems, Hermann Reichenspurner, Florian Mathias Wagner
According to guidelines, atrial fibrillation (AF) ablation success should be measured by 24-hour Holter electrocardiogram (ECG). However, information on long-term success, especially obtained by 24-hour Holter ECG, is rare. We therefore analyzed rhythm course and long-term outcomes of our patients undergoing concomitant surgical AF ablation. Between January 2003 and April 2011, 486 patients underwent concomitant surgical AF ablation in our institution. Patients with 24-hour Holter ECG rhythm status available between 5 and 10 years postoperatively were included in this retrospective data analysis (n = 155)...
August 25, 2017: Seminars in Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28962938/prevention-of-atrial-fibrillation-after-cardiac-surgery-using-low-dose-landiolol-a-systematic-review-and-meta-analysis
#18
Takahiko Tamura, Tomoaki Yatabe, Masataka Yokoyama
STUDY OBJECTIVE: Atrial fibrillation (AF) is associated with mortality after cardiac surgery. Several studies have reported that landiolol might help to prevent postoperative AF. The objective of this study was to investigate whether low-dose landiolol is useful in terms of balance of benefit and risk. DESIGN: We conducted a meta-analysis after systematically searching the PubMed, the Cochrane library and the ICHUSHI to identify randomized, controlled trials investigating the preventive effect of landiolol on incidence of AF after cardiac surgery...
November 2017: Journal of Clinical Anesthesia
https://www.readbyqxmd.com/read/28949022/mitral-regurgitation-severity-correlates-with-symptoms-and-extent-of-left-atrial-dysfunction-effect-of-mitral-valve-repair
#19
Matteo Lisi, Matteo Cameli, Cristina Di Tommaso, Valeria Curci, Rosanna Reccia, Flavio D'ascenzi, Marta Focardi, Massimo Maccherini, Mario Chiavarelli, Gianfranco Lisi, Per Lindqvist, Sergio Mondillo, Michael Henein
PURPOSE: We aimed to assess the relationship between mitral regurgitation (MR) severity, symptoms, and left atrial (LA) structure and function, before and after mitral valve repair (MVR). METHODS: Global peak atrial longitudinal strain (PALS) was evaluated in 37 patients with severe symptomatic MR and preserved left ventricular (LV) ejection fraction (60.4% ± 4.6%) before and 3 months after MVR and was compared with values from 30 age- and gender-matched controls...
September 26, 2017: Journal of Clinical Ultrasound: JCU
https://www.readbyqxmd.com/read/28930958/perioperative-use-of-nonsteroidal-anti-inflammatory-drugs-and-the-risk-of-anastomotic-failure-in-emergency-general-surgery
#20
Nadeem N Haddad, Brandon R Bruns, Toby M Enniss, David Turay, Joseph V Sakran, Alisan Fathalizadeh, Kristen Arnold, Jason S Murry, Matthew M Carrick, Matthew C Hernandez, Margaret H Lauerman, Asad J Choudhry, David S Morris, Jose J Diaz, Herb A Phelan, Martin D Zielinski
BACKGROUND: Nonsteroidal anti-inflammatory drugs (NSAIDs) are commonly used analgesic and anti-inflammatory adjuncts. Nonsteroidal anti-inflammatory drug administration may potentially increase the risk of postoperative gastrointestinal anastomotic failure (AF). We aim to determine if perioperative NSAID utilization influences gastrointestinal AF in emergency general surgery (EGS) patients undergoing gastrointestinal resection and anastomosis. METHODS: Post hoc analysis of a multi-institutional prospectively collected database was performed...
October 2017: Journal of Trauma and Acute Care Surgery
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