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Surgical Cardiac Ablation

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https://www.readbyqxmd.com/read/27919928/impact-of-surgical-ablation-of-atrial-fibrillation-on-the-progression-of-tricuspid-regurgitation-and-right-sided-heart-remodeling-after-mitral-valve-surgery-a-propensity-score-matching-analysis
#1
Jiangang Wang, Jie Han, Yan Li, Qing Ye, Fei Meng, Tiange Luo, Baiyu Tian, Haibo Zhang, Yixin Jia, Wen Zeng, Chunlei Xu, Wei Han, Yuqing Jiao, Xu Meng
BACKGROUND: This study assessed the role of surgical ablation for atrial fibrillation (AF) in decreasing tricuspid regurgitation (TR) and right-sided heart remodeling in patients after mitral valve procedure. METHODS AND RESULTS: Between 1994 and 2014, 1568 consecutive patients with AF undergoing mitral valve procedure were identified. In 26.0% (n=408), surgical ablation of AF was used. Propensity-score matching (PSM) was performed on the basis of 41 known perioperative risk variables...
December 5, 2016: Journal of the American Heart Association
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
#2
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/27909499/hyperacute-and-chronic-changes-in-cerebral-magnetic-resonance-images-after-pvac-nmarq-and-epicardial-thoracoscopic-surgical-ablation-for-paroxysmal-atrial-fibrillation
#3
Conn Sugihara Mbbs, Neil Barlow Mbbs, Emma Owens Mbbs, David Sallomi Mb ChB, Neil Sulke Md
Threshold testing of cardiac rhythm devices is essential to monitoring the proper functioning of such devices (1). However, the currently method of applying multiple ECG leads to the patient is burdensome and time consuming (2). We are presenting a completely new way to perform cardiac rhythm device threshold testing using pulse oximetry. Twenty patients, with varying cardiac rhythm devices and pacing modes, were enrolled and had their atrial and ventricular thresholds tested. A comparison was made between simultaneous threshold determinations via the standard EGM based method and the new pulse oximetry based method...
April 2016: Journal of Atrial Fibrillation
https://www.readbyqxmd.com/read/27871122/efficacy-and-safety-of-ablation-for-people-with-non-paroxysmal-atrial-fibrillation
#4
REVIEW
Jonathan Nyong, Guy Amit, Alma J Adler, Onikepe O Owolabi, Pablo Perel, David Prieto-Merino, Pier Lambiase, Juan Pablo Casas, Carlos A Morillo
BACKGROUND: The optimal rhythm management strategy for people with non-paroxysmal (persistent or long-standing persistent) atrial fibrilation is currently not well defined. Antiarrhythmic drugs have been the mainstay of therapy. But recently, in people who have not responded to antiarrhythmic drugs, the use of ablation (catheter and surgical) has emerged as an alternative to maintain sinus rhythm to avoid long-term atrial fibrillation complications. However, evidence from randomised trials about the efficacy and safety of ablation in non-paroxysmal atrial fibrillation is limited...
November 22, 2016: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/27864594/morphologic-classification-of-the-right-auricule-on-256-slice-computed-tomography
#5
Cai-Ying Li, Bu-Lang Gao, Tong Pan, Cheng Xiang, Xiao-Wei Liu, Hai-Qing Yang, Lan-Ying Yi, Qi-Bin Liao
PURPOSE: To investigate the shape of right auricule on 256-slice computed tomography (CT). MATERIALS AND METHODS: Five hundred people (250 men, age range 16-84 years) who had cardiac multidetector CT angiography were recruited in this study. All patients had normal sinus rhythm with normal blood pressure (<140/90 mmHg for systolic/diastolic pressure). The morphology of the right auricule was studied and compared after reconstruction of the raw images. RESULTS: All patients successfully had cardiac CT angiography (100%), and the right auricule morphology was divided into five types and nine subtypes, including Type I of triangular shape (Ia and Ib), Type II of M shape (IIa and IIb), Type III of L shape (IIIa and IIIb), Type IV of reverse L shape (IVa and IVb), and Type V of balanced shape...
November 18, 2016: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/27855290/transcatheter-leadless-cardiac-pacing-the-new-alternative-solution
#6
Antoine Da Costa, Amandine Axiotis, Cécile Romeyer-Bouchard, Loucif Abdellaoui, Zahi Afif, Jean Baptiste Guichard, Antoine Gerbay, Karl Isaaz
INTRODUCTION: A lack of information about the feasibility and safety of leadless pacemaker (LPMs) exists in a fragile population of patients with limited venous anatomy access or conventional pacemaker (PM) contraindication. Accordingly, the goal of this prospective observational study was to report our experience with this new leadless technology in a subset of patients with contraindication or limited venous access. METHODS AND RESULTS: Between May 2015 and July 2016, 14 patients were consecutively included...
November 9, 2016: International Journal of Cardiology
https://www.readbyqxmd.com/read/27832334/-implantable-loop-recorder-in-atrial-fibrillation-and-after-catheter-ablation
#7
K Fikenzer, N Dagres, G Hindricks
BACKGROUND: Implantable loop recorders (ILR) are an established diagnostic method for detection of cardiac arrhythmias including atrial fibrillation. OBJECTIVE: The aim of this work is to provide an overview of available data and indications of ILR in atrial fibrillation, especially after catheter ablation, in order to illustrate practice-oriented recommendations. MATERIALS AND METHODS: We conducted a selective PubMed literature search. RESULTS AND DISCUSSION: ILR can record asymptomatic/rare atrial fibrillation episodes and prevent thromboembolic events by allowing timely initiation of oral anticoagulation...
November 10, 2016: Herzschrittmachertherapie & Elektrophysiologie
https://www.readbyqxmd.com/read/27807090/surgical-ablation-of-atrial-fibrillation-a-protocol-for-a-systematic-review-and-meta-analysis-of-randomised-controlled-trials
#8
Graham R McClure, Emilie P Belley-Cote, Rohit K Singal, Iqbal H Jaffer, Nazari Dvirnik, Kevin R An, Gabriel Fortin, Jessica Spence, Richard P Whitlock
INTRODUCTION: Atrial fibrillation (AF) affects 10% of patients undergoing cardiac surgery and is an independent risk factor for all-cause mortality, ischaemic stroke and heart failure. Surgical AF ablation has been shown to significantly improve maintenance of sinus rhythm, however, small to medium size trials conducted to date lack the power required to assess patient-important outcomes such as mortality, stroke, heart failure and health-related quality of life. Moreover, a recent randomised trial (RCT) suggested harm by surgical AF ablation with an almost threefold increase in the requirement for permanent pacemaker postablation...
November 2, 2016: BMJ Open
https://www.readbyqxmd.com/read/27803496/left-atrial-to-esophageal-fistula-a-case-report-and-literature-review
#9
Muhammad Yasir Khan, Waqas Javed Siddiqui, Praneet S Iyer, Ahmed Dirweesh, Nigahus Karabulut
BACKGROUND Left atrial to esophageal fistula (LAEF) is a rare fatal complication of radiofrequency ablation (RFA) for atrial fibrillation and is associated with high mortality. Clinical features can be nonspecific and include fever, dysphagia, upper gastrointestinal (GI) bleeding, sepsis, and embolic stroke a after recent history of RFA for atrial fibrillation. CASE REPORT  A 57-year-old Caucasian male was brought to the emergency department (ED) by his family because of an altered mental status. He had undergone a radiofrequency ablation for paroxysmal atrial fibrillation three weeks earlier...
November 2, 2016: American Journal of Case Reports
https://www.readbyqxmd.com/read/27776530/sequential-hybrid-cryomaze-ablation-versus-surgical-cryomaze-alone-for-the-treatment-of-atrial-fibrillation-surhyb-study-protocol-for-a-randomized-controlled-trial
#10
Martin Eisenberger, Alan Bulava, Josef Kautzner, Petr Neuzil, Ales Mokracek, Jiri Hanis, Ladislav Dusek
BACKGROUND: Atrial fibrillation is common in patients with structural heart disease who are undergoing cardiac surgery. Surgical CryoMaze has been shown to be an effective treatment in several trials, but success rates have varied considerably, between 47-95 %. The sequential hybrid approach, combining surgical CryoMaze followed by radiofrequency catheter ablation, can achieve high freedom from atrial arrhythmias, even when rigorous methods to detect arrhythmias after the procedure are used...
October 24, 2016: Trials
https://www.readbyqxmd.com/read/27747025/atrial-fibrillation-review-of-current-treatment-strategies
#11
Joshua Xu, Jessica G Y Luc, Kevin Phan
Atrial fibrillation (AF) is the most prevalent cardiac arrhythmia in modern clinical practice, with an estimated prevalence of 1.5-2%. The prevalence of AF is expected to double in the next decades, progressing with age and increasingly becoming a global medical challenge. The first-line treatment for AF is often medical treatment with either rate control or anti-arrhythmic agents for rhythm control, in addition to anti-coagulants such as warfarin for stroke prevention in patient at risk. Catheter ablation has emerged as an alternative for AF treatment, which involves myocardial tissue lesions to disrupt the underlying triggers and substrates for AF...
September 2016: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/27738072/surgery-for-supraventricular-tachycardia-and-congenital-heart-defects-long-term-efficacy-of-the-combined-approach-in-adult-patients
#12
Alessandro Giamberti, Francesca R Pluchinotta, Massimo Chessa, Alessandro Varrica, Raffaele Vitale, Alessandro Frigiola, Carlo Pappone, Marco Ranucci
AIMS: Supraventricular arrhythmias are a major cause of morbidity and mortality in adult patients with congenital heart disease (CHD). Intraoperative ablation offers an alternative for patients who failed ablation procedures or are requiring concomitant surgical intervention. We present our long-term results with the surgical treatment of arrhythmias in adults with CHD (ACHD) undergoing elective cardiac surgery and the clinical predictors for arrhythmia recurrence. METHODS AND RESULTS: Between 2002 and 2013, 80 consecutive patients with CHD, mean age of 39 years, underwent intraoperative ablation with monopolar irrigated radiofrequency during cardiac surgery procedures...
October 12, 2016: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/27712669/intraoperative-adverse-events-during-irreversible-electroporation-a-call-for-caution
#13
Patryk Kambakamba, John M Bonvini, Michael Glenck, Liliana Castrezana López, Thomas Pfammatter, Pierre-Alain Clavien, Michelle L DeOliveira
BACKGROUND: Irreversible electroporation is increasingly used for treatment of solid tumors, but safety data remain scarce. This study aimed to describe intraoperative adverse events associated with irreversible electroporation in patients undergoing solid tumor ablation. METHODS: We analyzed demographic and intraoperative data for patients (n = 43) undergoing irreversible electroporation for hepato-pancreato-biliary and retroperitoneal malignancies (2012 to 2015)...
October 2016: American Journal of Surgery
https://www.readbyqxmd.com/read/27709852/natural-course-of-adult-ebstein-anomaly-when-treated-according-to-current-recommendation
#14
Hyung Yoon Kim, Shin Yi Jang, Ju Ryoung Moon, Eun Kyoung Kim, Sung A Chang, Jinyoung Song, June Huh, I Seok Kang, Ji Hyuk Yang, Tae Gook Jun, Seung Woo Park
The objectives of this study were to assess the clinical outcomes of adults with Ebstein Anomaly (EA) according to their treatment modalities. All adult EA patients diagnosed between October 1994 and October 2014 were retrospectively evaluated by medical record review. Total 60 patients were categorized into 3 groups according to their treatment strategy, i.e. non-operative treatment (Group I, n = 23), immediate operative treatment (Group II, n = 27), and delayed operative treatment (Group III, n = 10). A composite of major adverse cardiac and cerebrovascular events (MACCE) and factors associated with MACCE were assessed in each treatment group...
November 2016: Journal of Korean Medical Science
https://www.readbyqxmd.com/read/27667275/-long-term-outcome-and-related-predictors-of-alcohol-septal-ablation-for-patients-with-hypertrophic-obstructive-cardiomyopathy
#15
R Liu, S B Qiao, F H Hu, W X Yang, J S Yuan, J G Cui
Objective: To observe the long-term prognosis and related outcome predictors for hypertrophic obstructive cadiomyopathy (HOCM) patients underwent alcohol septal ablation (ASA). Methods: A total of 227 consecutive patients(age: (47.8±11.7) years) treated by ASA from September 2005 to December 2013 in our hospital were included and followed-up for 4.42 years(range: ( 1.17-9.93) years). Follow up rate is 97.4%(221/227). General information, medical history, data of ASA and complications during hospitalization were obtained through access to medical records of patients...
September 24, 2016: Zhonghua Xin Xue Guan Bing za Zhi
https://www.readbyqxmd.com/read/27661047/teflon-buttressed-sutures-plus-pericardium-patch-repair-left-ventricular-rupture-caused-by-radiofrequency-catheter-ablation-a-case-report
#16
Hao Cao, Qi Zhang, Yanzhong He, Xiaodong Feng, Zhongmin Liu
BACKGROUND: Cardiac rupture often occurs after myocardial infarction or chest trauma with a high mortality rate. However, left ventricular rupture caused by radiofrequency catheter ablation (RFCA) is extremely rare. METHODS: We describe a case of a 61-year-old male who survived from left ventricular rupture caused by a RFCA procedure for frequent ventricular premature contractions. Surgical exploration with cardiopulmonary bypass (CPB) was performed when the signs of cardiac tamponade developed 7 hours after the ablation surgery...
September 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27637120/diagnosis-and-treatment-of-atrial-fibrillation
#17
Cecilia Gutierrez, Daniel G Blanchard
Atrial fibrillation is a supraventricular arrhythmia that adversely affects cardiac function and increases the risk of stroke. It is the most common arrhythmia and a major source of morbidity and mortality; its prevalence increases with age. Pulse rate is sensitive, but not specific, for diagnosis, and suspected atrial fibrillation should be confirmed with 12-lead electrocardiography. Because normal electrocardiographic findings do not rule out atrial fibrillation, home monitoring is recommended if there is clinical suspicion of arrhythmia despite normal test results...
September 15, 2016: American Family Physician
https://www.readbyqxmd.com/read/27613183/hybrid-ablation-for-atrial-fibrillation-a-systematic-review
#18
REVIEW
Mindy Vroomen, Laurent Pison
PURPOSE: Hybrid ablation for AF is performed in a growing number of centers. Due to absence of guidelines, operative approaches and perioperative care differ per center. In this review, an overview of findings from published studies on hybrid ablations is given, and related topics are discussed (e.g., one- and two-stage approaches, lesion sets, and patient management). METHODS: A systematic literature search was performed in the PubMed and Embase databases. All identified articles were screened and checked for eligibility by the two authors...
December 2016: Journal of Interventional Cardiac Electrophysiology: An International Journal of Arrhythmias and Pacing
https://www.readbyqxmd.com/read/27609732/a-review-of-treatment-options-for-graves-disease-why-total-thyroidectomy-is-a-viable-option-in-selected-patients
#19
Vinuta Mohan, Robert Lind
Graves' disease is the most common cause of hyperthyroidism. If left untreated, patients may have multiple systemic complications such as cardiac, reproductive, and skeletal disease. Thionamides, such as methimazole and propylthiouracil, and I(131) iodine ablation are the most commonly prescribed treatment for Graves' disease. Total thyroidectomy is often overlooked for treatment and is usually only offered if the other options have failed. In our case, we discuss a patient who was admitted to our medical center with symptomatic hyperthyroidism secondary to long-standing Graves' disease...
2016: Journal of Community Hospital Internal Medicine Perspectives
https://www.readbyqxmd.com/read/27593589/induction-of-rapid-reproducible-hepatic-ablations-using-next-generation-high-frequency-irreversible-electroporation-h-fire-in%C3%A2-vivo
#20
Imran A Siddiqui, Eduardo L Latouche, Matthew R DeWitt, Jacob H Swet, Russell C Kirks, Erin H Baker, David A Iannitti, Dionisios Vrochides, Rafael V Davalos, Iain H McKillop
INTRODUCTION: Irreversible electroporation (IRE) offers an alternative to thermal tissue ablation in situ. High-frequency IRE (H-FIRE), employing ultra-short bipolar electrical pulses, may overcome limitations associated with existing IRE technology to create rapid, reproducible liver ablations in vivo. METHODS: IRE electrodes (1.5 cm spacing) were inserted into the hepatic parenchyma of swine (n = 3) under surgical anesthesia. In the absence of paralytics or cardiac synchronization five independent H-FIRE ablations were performed per liver using 100, 200, or 300 pulses (2250 V, 2-5-2 μs configuration)...
September 2016: HPB: the Official Journal of the International Hepato Pancreato Biliary Association
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