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tachycardia-induced cardiomyopathy

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https://www.readbyqxmd.com/read/28708198/the-effect-of-radiofrequency-catheter-ablation-of-frequent-premature-ventricular-complexes-and-arrhythmia-burden-on-left-ventricular-function
#1
Agnieszka Wojdyła-Hordyńska, Oskar Kowalski, Grzegorz J Hordyński, Borislav Dinov, Philipp Sommer, Gerhard Hindricks, Piotr Feusette, Arash Arya
BACKGROUND: Frequent premature ventricular complexes (PVC) are related to reversible tachycardia-induced cardiomyopathy. However, the role of arrhythmia burden on the outcome of the catheter ablation has not been fully recognised. AIM: The aim of this study was to assess the effect of catheter ablation and PVC burden in patients with and without structural heart disease (SHD) on left ventricular ejection fraction (LVEF). METHODS: Transthoracic echocardiography was done before and six months after radiofrequency catheter ablation in 109 consecutive patients (61 men, age 55 ± 17 years) with frequent PVCs...
2017: Kardiologia Polska
https://www.readbyqxmd.com/read/28687248/device-therapy-for-rate-control-pacing-resynchronisation-and-av-node-ablation
#2
REVIEW
Dennis H Lau, Anand Thiyagarajah, Stephan Willems, Thomas Rostock, Dominik Linz, Martin K Stiles, David Kaye, Jonathan M Kalman, Prashanthan Sanders
Atrioventricular node ablation (AVNA) is generally reserved for patients whose atrial fibrillation (AF) is refractory all other therapeutic options, since the recipients will often become pacemaker dependent. In such patients, this approach may prove particularly useful, especially if a tachycardia-induced cardiomyopathy is suspected. Historically, an "ablate and pace" approach has involved AVNA and right ventricular pacing, with or without an atrial lead. There is also an evolving role for atrioventricular node ablation in patients with AF who require cardiac resynchronization therapy for treatment of systolic heart failure...
May 31, 2017: Heart, Lung & Circulation
https://www.readbyqxmd.com/read/28669768/long-term-outcome-of-patients-with-tachycardia-induced-cardiomyopathy-after-recovery-of-left-ventricular-function
#3
Santiago Montero, Andreu Ferrero-Gregori, Juan Cinca, José M Guerra
No abstract text is available yet for this article.
June 29, 2017: Revista Española de Cardiología
https://www.readbyqxmd.com/read/28666537/dermal-exposure-to-weathered-mc252-crude-oil-results-in-echocardiographically-identifiable-systolic-myocardial-dysfunction-in-double-crested-cormorants-phalacrocorax-auritus
#4
K E Harr, M Rishniw, T L Rupp, D Cacela, K M Dean, B S Dorr, K C Hanson-Dorr, K Healy, K Horak, J E Link, D Reavill, S J Bursian, F L Cunningham
During the Deepwater Horizon Natural Resource Damage Assessment, gross morphologic cardiac abnormalities, including softer, more distensible musculature, were noted upon gross necropsy in hearts from laughing gulls and double-crested cormorants exposed to weathered MC252 crude oil. A species specific, echocardiographic technique was developed for antemortem evaluation of function that was used to evaluate and better characterize cardiac dysfunction. Control (n=12) and treated (n=13) cormorant groups of similar sex-ratio and ages were dermally treated with approximately 13ml of water or weathered MC252 crude oil, respectively, every 3 days for 6 dosages...
June 27, 2017: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/28666487/mahaim-tachycardia-induced-cardiomyopathy
#5
Ibrahim Gul, Qamaruddin Roziman, Aamir Hameed Khan
We present the case report of a 22-year man, with incessant palpitations, chest pain, shortness of breath, and pulsations in his neck for the past 7 months. He was referred to the cardiology unit for workup of wide complex tachycardia (WCT). His echocardiography, 6 months earlier, had demonstrated severe left ventricular (LV) systolic dysfunction, severe global hypokinesia, mild tricuspid regurgitation (TR), and mild mitral regurgitation (MR) which resolved with medical therapy including beta-blockers. He underwent electrophysiological study, which revealed a decremental right sided atriofascicular pathway causing a WCT with left bundle branch block (LBBB) morphology and left axis deviation (LAD, Mahaim tachycardia)...
November 2016: Journal of the College of Physicians and Surgeons—Pakistan: JCPSP
https://www.readbyqxmd.com/read/28638576/a-classic-case-of-arrhythmogenic-right-ventricular-cardiomyopathy-arvc-and-literature-review
#6
Htun Latt, Thein Tun Aung, Chanwit Roongsritong, David Smith
Arrhythmogenic Right Ventricular Cardiomyopathy (ARVC) is a relatively under-recognized hereditary cardiomyopathy. It is characterized pathologically by fibro-fatty infiltration of right ventricular (RV) myocardium and clinically by consequences of RV electrical instability. Timely intervention with device therapy and pharmacotherapy may help reduce the risk of arrhythmic events or sudden cardiac death. Here, we describe a classic case of a young adult with ARVC and a brief literature review. The patient presented with exertional palpitations and ARVC was suspected after his routine electrocardiogram (EKG) revealed symmetric T wave inversions and possible epsilon waves in right precordial leads...
March 2017: Journal of Community Hospital Internal Medicine Perspectives
https://www.readbyqxmd.com/read/28603002/association-of-preprocedural-cardiac-magnetic-resonance-imaging-with-outcomes-of-ventricular-tachycardia-ablation-in-patients-with-idiopathic-dilated-cardiomyopathy
#7
Konstantinos C Siontis, Hyungjin Myra Kim, Ghaith Sharaf Dabbagh, Rakesh Latchamsetty, Jadranka Stojanovska, Krit Jongnarangsin, Fred Morady, Frank M Bogun
BACKGROUND: Knowledge of complex arrhythmogenic substrates can help plan ventricular tachycardia (VT) ablation in patients with idiopathic dilated cardiomyopathy (DCM). OBJECTIVE: The purpose of this study was to assess whether preprocedural late gadolinium enhancement magnetic resonance imaging (LGE-MRI) can improve ablation outcomes in DCM. METHODS: Consecutive patients (N = 96) with idiopathic DCM underwent VT ablation with open-irrigated catheters (2006-2016)...
June 9, 2017: Heart Rhythm: the Official Journal of the Heart Rhythm Society
https://www.readbyqxmd.com/read/28597532/substrate-characterization-and-catheter-ablation-in-patients-with-scar-related-ventricular-tachycardia-using-ultra-high-density-3d-mapping
#8
Jana M Nührich, Lukas Kaiser, Ruken Özge Akbulak, Benjamin N Schäffer, Christian Eickholt, Michael Schwarzl, Pawel Kuklik, Julia Moser, Mario Jularic, Stephan Willems, Christian Meyer
BACKGROUND: Ablation of scar-related ventricular tachycardia (VT), especially in non-inducible VT or hemodynamically unstable patients, can be challenging. Thus, we evaluated feasibility of an ultra high-density 3D-mapping approach to characterize the ventricular substrate and, if possible, to map VT. METHODS AND RESULTS: Twenty-two patients (67±2 years, mean LV-EF 36±3%) with both ischemic and non-ischemic cardiomyopathy and documented VT underwent mapping and catheter ablation using a 64-electrode mini-basket catheter...
June 8, 2017: Journal of Cardiovascular Electrophysiology
https://www.readbyqxmd.com/read/28588093/implantable-cardioverter-defibrillator-therapy-in-arrhythmogenic-right-ventricular-dysplasia-cardiomyopathy-predictors-of-appropriate-therapy-outcomes-and-complications
#9
Gabriela M Orgeron, Cynthia A James, Anneline Te Riele, Crystal Tichnell, Brittney Murray, Aditya Bhonsale, Ihab R Kamel, Stephan L Zimmerman, Daniel P Judge, Jane Crosson, Harikrishna Tandri, Hugh Calkins
BACKGROUND: Arrhythmogenic right ventricular dysplasia/cardiomyopathy is characterized by ventricular arrhythmias and sudden cardiac death. Once the diagnosis is established, risk stratification to determine whether implantable cardioverter-defibrillator (ICD) placement is warranted is critical. METHODS AND RESULTS: The cohort included 312 patients (163 men, age at presentation 33.6±13.9 years) with definite arrhythmogenic right ventricular dysplasia/cardiomyopathy who received an ICD...
June 6, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/28576780/outcomes-of-ventricular-tachycardia-ablation-using-percutaneous-left-ventricular-assist-devices
#10
Shigeki Kusa, Marc A Miller, William Whang, Yoshinari Enomoto, Jorge G Panizo, Jin Iwasawa, Subbarao Choudry, Sean Pinney, Anthony Gomes, Noelle Langan, Jacob S Koruth, Andre d'Avila, Vivek Y Reddy, Srinivas R Dukkipati
BACKGROUND: Although percutaneous left ventricular assist devices (pLVADs) facilitate mapping and ablation of hemodynamically unstable ventricular tachycardia (VT), there is limited data whether clinical outcomes are improved. We sought to retrospectively compare the outcomes of patients undergoing scar-related VT ablation with and without pLVAD support. METHODS AND RESULTS: The study population comprised 194 patients (109 pLVAD and 85 non-pLVAD). The pLVAD group more often had dilated cardiomyopathy (33% versus 13%; P=0...
June 2017: Circulation. Arrhythmia and Electrophysiology
https://www.readbyqxmd.com/read/28536891/myocardial-voltage-ratio-in-arrhythmogenic-right-ventricular-dysplasia-cardiomyopathy
#11
REVIEW
Andreas Müssigbrodt, Livio Bertagnolli, Elena Efimova, Jedrzej Kosiuk, Borislav Dinov, Kerstin Bode, Simon Kircher, Nikolaos Dagres, Michael Döring, Sergio Richter, Philipp Sommer, Daniela Husser, Andreas Bollmann, Gerhard Hindricks, Arash Arya
AIMS: This study aimed to analyze the influence of scar distribution between the endocardium and the epicardium in patients with arrhythmogenic right ventricular dysplasia/cardiomyopathy (ARVD/C). METHODS: Electroanatomical mapping data were derived from our ARVD/C registry. Myocardial voltage distribution between the endocardium and the epicardium was analyzed in 28 patients (18 men, 49.9 ± 13.0 years) with previous ventricular tachycardia (VT) ablation and complete right ventricular maps...
June 2017: Herzschrittmachertherapie & Elektrophysiologie
https://www.readbyqxmd.com/read/28530215/takotsubo-cardiomyopathy-after-intravenous-epinephrine-administration-following-cardiac-arrest-provoked-by-pneumoperitoneum-a-case-report
#12
Waldemar Elikowski, Malgorzata Małek-Elikowska, Jacek Karoń, Maria Mrozińska, Alina Baszko, Karolina Horbacka
In stress-induced takotsubo cardiomyopathy (TC) high levels of catecholamines, including epinephrine, may be detected in blood. On the other hand, administration of exogenous epinephrine may occasionally result in TC. A CASE REPORT: The authors describe a case of a 58-year-old, otherwise healthy female, with TC which occurred after intravenous injection of 1 mg of epinephrine against cardiac arrest provoked by pneumoperitoneum performed before planned laparoscopic cholecystectomy. She was admitted 3 days earlier due to biliary colic following a dietary mistake...
April 21, 2017: Polski Merkuriusz Lekarski: Organ Polskiego Towarzystwa Lekarskiego
https://www.readbyqxmd.com/read/28491770/successful-treatment-of-tachycardia-induced-cardiomyopathy-secondary-to-dual-atrioventricular-nodal-nonreentrant-tachycardia-using-cryoablation
#13
Harold Rivner, Chris Healy, Raul D Mitrani
No abstract text is available yet for this article.
January 2017: HeartRhythm Case Reports
https://www.readbyqxmd.com/read/28449779/defining-tachycardia-induced-cardiomyopathy-life-in-the-fast-lane
#14
EDITORIAL
Perry Elliott
No abstract text is available yet for this article.
May 2, 2017: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/28449778/histopathological-and-immunological-characteristics-of-tachycardia-induced-cardiomyopathy
#15
Karin A L Mueller, David Heinzmann, Karin Klingel, Petra Fallier-Becker, Reinhard Kandolf, Antonios Kilias, Britta Walker-Allgaier, Oliver Borst, Jörg Kumbrink, Thomas Kirchner, Harald Langer, Tobias Geisler, Jürgen Schreieck, Michael Gramlich, Meinrad Gawaz, Peter Seizer
BACKGROUND: Tachycardiomyopathy or tachycardia-induced cardiomyopathy (TCM) has been known for decades as a reversible form of nonischemic cardiomyopathy. However, its mechanism and properties remain poorly understood. OBJECTIVES: The current study investigated endomyocardial biopsy samples from patients with TCM and compared them with samples from patients with dilated cardiomyopathy (DCM) and inflammatory cardiomyopathy (ICM). METHODS: The study included 189 patients with new-onset heart failure and severely reduced ejection fraction not caused by valvular or ischemic heart disease...
May 2, 2017: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/28431057/quantitative-analysis-of-pkp2-and-neighbouring-genes-in-a-patient-with-arrhythmogenic-right-ventricular-cardiomyopathy-caused-by-heterozygous-pkp2-deletion
#16
Keiko Sonoda, Seiko Ohno, Sou Otuki, Koichi Kato, Nobue Yagihara, Hiroshi Watanabe, Takeru Makiyama, Tohru Minamino, Minoru Horie
Aims: Arrhythmogenic right ventricular cardiomyopathy (ARVC) is a disease mainly caused by desmosome gene mutations. The genetic culprit, however, remains elusive in ∼50% of ARVC patients. One of the reasons for missing genetic abnormalities is the difficulty in detecting large deletions/duplications, which are called as copy number variation (CNV) by the Sanger sequencing method. This study aimed to identify CNVs in PKP2 and a part of other desmosome genes in ARVC patients. Methods and Results: The study cohort consisted of 71 ARVC probands who were diagnosed as definite or borderline cases based on 2010 Task Force Criteria...
April 1, 2017: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/28431051/safety-long-term-outcomes-and-predictors-of-recurrence-after-first-line-combined-endoepicardial-ventricular-tachycardia-substrate-ablation-in-arrhythmogenic-cardiomyopathy-impact-of-arrhythmic-substrate-distribution-pattern-a-prospective-multicentre-study
#17
Antonio Berruezo, Juan Acosta, Juan Fernández-Armenta, Alonso Pedrote, Alberto Barrera, Eduardo Arana-Rueda, Andrés Ignacio Bodegas, Ignasi Anguera, Luis Tercedor, Diego Penela, David Andreu, Rosario Jesus Perea, Susana Prat-González, Lluis Mont
Background: First-line endoepicardial ventricular tachycardia (VT) ablation has been proposed for patients with arrhythmogenic cardiomyopathy (AC). This study reports procedural safety, outcomes, and predictors of recurrence. Methods and Results: Forty-one consecutive patients [12 with left ventricle (LV) involvement, 7 left-dominant] underwent first-line endoepicardial VT substrate ablation. Standard bipolar and unipolar thresholds were used to define low-voltage areas (LVA)...
April 1, 2017: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/28429499/atrial-fibrillation-patients-with-isolated-pulmonary-veins-is-sinus-rhythm-achievable
#18
Judit Szilágyi, Gregory M Marcus, Nitish Badhwar, Byron K Lee, Randall J Lee, Vasanth Vedantham, Zian H Tseng, Tomos Walters, Melvin Scheinman, Jeffrey Olgin, Edward P Gerstenfeld
BACKGROUND: The cornerstone of atrial fibrillation (AF) ablation is isolation of the pulmonary veins (PVs). Patients with recurrent AF undergoing repeat ablation usually have PV reconnection (PVr). The ablation strategy and outcome of patients undergoing repeat ablation who have persistent isolation of all PVs (PVi) at the time of repeat ablation is unknown. METHODS AND RESULTS: We studied consecutive patients with recurrent AF undergoing repeat ablation and compared patients with PVi to those with PVr...
April 21, 2017: Journal of Cardiovascular Electrophysiology
https://www.readbyqxmd.com/read/28371837/characterization-of-the-arrhythmogenic-substrate-in-patients-with-arrhythmogenic-right-ventricular-cardiomyopathy-undergoing-ventricular-tachycardia-ablation
#19
Senthil Kirubakaran, Caterina Bisceglia, John Silberbauer, Teresa Oloriz, Giulia Santagostino, Miki Yamase, Giuseppe Maccabelli, Nicola Trevisi, Paolo Della Bella
Aims: Arrhythmogenic right ventricular (RV) cardiomyopathy (ARVC) is associated with ventricular arrhythmias, even without RV structural disease. We aimed to characterize the RV substrate using electroanatomical mapping and to define outcomes following ventricular tachycardia (VT) ablation in patients with and without RV structural abnormalities. Methods and results: Twenty-nine patients with definite or suspected ARVC undergoing VT ablation were classified as 'electrical' and 'structural' cardiomyopathy based on the absence or presence of major structural criteria...
March 20, 2017: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/28363618/extracorporeal-cpr-and-intra-aortic-balloon-pumping-in-tachycardia-induced-cardiomyopathy-complicating-cardiac-arrest
#20
Jun Wan Lee, Hong Joon Ahn, Youn Ho Yoo, Jin Woong Lee, Seung Whan Kim, Si Wan Choi
Although tachycardia-induced cardiomyopathy (TIC) due to atrial fibrillation occurs frequently, it is under-recognized in clinical settings. TIC has a wide range of clinical manifestations, from asymptomatic tachycardia to cardiomyopathy leading to end stage heart failure. We present a case of a 48year-old-woman who presented as cardiogenic shock, and rapidly progressed to cardiac arrest from recently diagnosed but undertreated atrial fibrillation, resulting TIC in the emergency department (ED). She was rescued by extracorporeal cardiopulmonary resuscitation (E-CPR) for refractory cardiac arrest in the ED, and received concomitant intra-aortic balloon counterpulsation (IABP) support for severe left ventricular failure...
March 22, 2017: American Journal of Emergency Medicine
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