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ventricular tachycardia management

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https://www.readbyqxmd.com/read/29786883/left-ventricular-aneurysms-in-hypertrophic-cardiomyopathy-with-midventricular-obstruction-a-systematic-review-of-literature
#1
Moustafa O Elsheshtawy, Ahmed N Mahmoud, Mahmoud Abdelghany, Ida H Suen, Adnan Sadiq, Jacob Shani
BACKGROUND: Hypertrophic cardiomyopathy (HCM) with or without left ventricular apical aneurysm (LVA) had been studied in the past. Midventricular obstruction associated with HCM and LVA is a unique entity that has not been distinguished previously as a separate phenotypic disease in HCM patients. METHODS: A systematic review of Pubmed and Google Scholar was conducted from inception until September 2017 for all observational studies conducted on HCM with midventricular obstruction and LVA...
May 22, 2018: Pacing and Clinical Electrophysiology: PACE
https://www.readbyqxmd.com/read/29784486/peculiar-electrocardiographic-aspects-of-wide-qrs-complex-tachycardia-when-differential-diagnosis-is-difficult
#2
REVIEW
Roberto De Ponti, Jacopo Marazzato, Giuseppe Bagliani, Alessandra Tondini, Stefano Donzelli, Luigi Padeletti
Wide complex tachycardia may represent a challenge for correct interpretation of standard electrocardiogram, which is crucial for proper patient management. For this reason, algorithms based on electrocardiographic criteria have been developed to guide interpretation in a step-by-step approach. Despite their greater accuracy, some cases of wide QRS complex tachycardia are a challenge. Some peculiar forms of ventricular tachycardia, and complex supraventricular substrate or particular clinical condition, may originate a challenging electrocardiographic pattern...
June 2018: Cardiac Electrophysiology Clinics
https://www.readbyqxmd.com/read/29784125/catheter-directed-thrombolysis-for-pulmonary-embolism-the-state-of-practice
#3
Xi Xue, Akhilesh K Sista
Acute pulmonary embolism (PE) is a major public health problem. It is the third most common cause of death in hospitalized patients. In the United States, there are up to 600,000 cases diagnosed per year with 100,000-180,000 acute PE-related deaths. Common risk factors include underlying genetic conditions, acquired conditions, and acquired hypercoagulable states. Acute PE increases the pulmonary vascular resistance and the load on the right ventricle (RV). Increased RV loading causes compensatory RV dilation, impaired contractility, tachycardia, and sympathetic activation...
June 2018: Techniques in Vascular and Interventional Radiology
https://www.readbyqxmd.com/read/29776964/arrhythmias-in-adult-patients-with-congenital-heart-disease-and-pulmonary-arterial-hypertension
#4
Maria Drakopoulou, Heba Nashat, Aleksander Kempny, Rafael Alonso-Gonzalez, Lorna Swan, Stephen J Wort, Laura C Price, Colm McCabe, Tom Wong, Michael A Gatzoulis, Sabine Ernst, Konstantinos Dimopoulos
OBJECTIVES: Approximately 5%-10% of adults with congenital heart disease (CHD) develop pulmonary arterial hypertension (PAH), which affects life expectancy and quality of life. Arrhythmias are common among these patients, but their incidence and impact on outcome remains uncertain. METHODS: All adult patients with PAH associated with CHD (PAH-CHD) seen in a tertiary centre between 2007 and 2015 were followed for new-onset atrial or ventricular arrhythmia. Clinical variables associated with arrhythmia and their relation to mortality were assessed using Cox analysis...
May 18, 2018: Heart: Official Journal of the British Cardiac Society
https://www.readbyqxmd.com/read/29769510/surgical-management-of-a-critical-ischemic-mitral-regurgitation-patient
#5
S A Sunny, S Moinuddin, A B Adhikary, M A Hossain
Functional ischemic mitral regurgitation is strongly associated with poor outcomes in patient with coronary artery disease. The best management for mitral regurgitation at the time of coronary revascularization remains controversial. We report, a case of 58 years-old men admitted to GKNM hospital, Coimbatore, Tamil Nadu, India with chest pain and respiratory distress for last 6 hours during my fellowship training in that hospital. ECG showed acute antero-septal MI. The transthoracic echocardiogram revealed severe left ventricular dysfunction with moderate mitral regurgitation...
April 2018: Mymensingh Medical Journal: MMJ
https://www.readbyqxmd.com/read/29766267/-syncopes-and-channelopathies
#6
REVIEW
Johanna Müller-Leisse, Christos Zormpas, Thorben König, David Duncker, Christian Veltmann
Syncope can be the first manifestation of cardiac channelopathies, namely Brugada syndrome, long QT syndrome, short QT syndrome and catecholaminergic polymorphic ventricular tachycardia (CPVT). Patients affected by these rare diseases are at increased risk for sudden cardiac death due to ventricular tachyarrhythmias and require specific therapy and follow-up. As syncope is common in the general population, only few cases are caused by an underlying channelopathy. Nevertheless, the diagnosis should be considered in young patients with structurally normal hearts, especially if the history of syncope is typical for an arrhythmogenic cause, in the presence of characteristic echocardiogram (ECG) patterns, and if there is a family history of channelopathies or sudden cardiac death...
May 15, 2018: Herzschrittmachertherapie & Elektrophysiologie
https://www.readbyqxmd.com/read/29759829/acute-and-3-month-performance-of-a-communicating-leadless-antitachycardia-pacemaker-and-subcutaneous-implantable-defibrillator
#7
Fleur V Y Tjong, Tom F Brouwer, Brendan Koop, Brian Soltis, Allan Shuros, Brian Schmidt, Bryan Swackhamer, Anne-Floor E B Quast, Arthur A M Wilde, Martin C Burke, Reinoud E Knops
OBJECTIVES: The primary objective was to assess the acute and 3-month performance of the modular antitachycardia pacing (ATP)-enabled leadless pacemaker (LP) and subcutaneous implantable cardioverter-defibrillator (S-ICD) system, particularly device-device communication and ATP delivery. BACKGROUND: Transvenous pacemakers and implantable cardioverter-defibrillators (ICDs) have considerable rates of lead complications. We examined the next step in multicomponent leadless cardiac rhythm management: feasibility of pacing (including ATP) by a LP, commanded by an implanted S-ICD through wireless, intrabody, device-device communication...
December 26, 2017: JACC. Clinical Electrophysiology
https://www.readbyqxmd.com/read/29759673/characterization-of-ventricular-tachycardia-after-left-ventricular-assist-device-implantation-as-destination-therapy-a-single-center-ablation-experience
#8
Joshua D Moss, Erin E Flatley, Andrew D Beaser, John H Shin, Hemal M Nayak, Gaurav A Upadhyay, Martin C Burke, Valluvan Jeevanandam, Nir Uriel, Roderick Tung
OBJECTIVES: This study sought to report mechanisms of ventricular tachycardia (VT) and outcomes of VT ablation in patients with a left ventricular assist device (LVAD) as destination therapy. BACKGROUND: Continuous flow LVAD implantation plays a growing role in the management of end-stage heart failure, and VT is common. There are limited reports of VT ablation in patients with a destination LVAD. METHODS: Patients with a continuous-flow LVAD referred for VT ablation from 2010 to 2016 were analyzed retrospectively...
December 11, 2017: JACC. Clinical Electrophysiology
https://www.readbyqxmd.com/read/29759496/j-waves-for-predicting-cardiac-events-in-hypertrophic-cardiomyopathy
#9
Toyonobu Tsuda, Kenshi Hayashi, Tetsuo Konno, Kenji Sakata, Takashi Fujita, Akihiko Hodatsu, Yoji Nagata, Ryota Teramoto, Akihiro Nomura, Yoshihiro Tanaka, Hiroshi Furusho, Masayuki Takamura, Masa-Aki Kawashiri, Noboru Fujino, Masakazu Yamagishi
OBJECTIVES: This study sought to investigate whether the presence of J waves was associated with cardiac events in patients with hypertrophic cardiomyopathy (HCM). BACKGROUND: It has been uncertain whether the presence of J waves predicts life-threatening cardiac events in patients with HCM. METHODS: This study evaluated consecutive 338 patients with HCM (207 men; age 61 ± 17 years of age). A J-wave was defined as J-point elevation >0...
October 2017: JACC. Clinical Electrophysiology
https://www.readbyqxmd.com/read/29753550/rescue-procedure-for-an-electrical-storm-using-robotic-non-invasive-cardiac-radio-ablation
#10
Raphaël Jumeau, Mahmut Ozsahin, Juerg Schwitter, Véronique Vallet, Frédéric Duclos, Michele Zeverino, Raphaël Moeckli, Etienne Pruvot, Jean Bourhis
Stereotactic body radiotherapy (SBRT) is an emerging non-invasive treatment in the management of ventricular tachycardia (VT). We report here an intensive care patient suffering from an electrical storm due to incessant VT, unresponsive to catheter ablation and anti-arrhythmic drugs, showing an immediate and durable response to electrophysiology-guided cardiac SBRT.
May 9, 2018: Radiotherapy and Oncology: Journal of the European Society for Therapeutic Radiology and Oncology
https://www.readbyqxmd.com/read/29747127/wideband-lge-mri-permits-unobstructed-viewing-of-myocardial-scarring-in-a-patient-with-an-mr-conditional-subcutaneous-implantable-cardioverter-defibrillator
#11
Amir Ali Rahsepar, Jeremy D Collins, Bradley P Knight, KyungPyo Hong, James C Carr, Daniel Kim
A subcutaneous implantable cardioverter-defibrillator (S-ICD) is an alternative device for prevention of sudden cardiac death, without any leads within the heart. Patients implanted with any type of ICD may need catheter ablation of ventricular tachycardia (VT) to reduce the overall arrhythmia burden (e.g., recurrent monomorphic VT) and lower the incidence of painful shocks induced by the device. Late gadolinium enhancement (LGE) MRI is a useful pre-test for guiding VT ablation, because it can be used to map myocardial scar and produce better outcomes...
May 4, 2018: Clinical Imaging
https://www.readbyqxmd.com/read/29744527/inherited-primary-arrhythmia-disorders-cardiac-channelopathies-and-sports-activity
#12
REVIEW
S Marrakchi, I Kammoun, E Bennour, L Laroussi, M Ben Miled, S Kachboura
Sudden cardiac death (SCD) in an apparently healthy individual is a tragedy. It is important to identify the cause of death and to prevent SCD in potentially at-risk family members. Inherited primary arrhythmia disorders are associated with exercise-related SCD. Despite the well-known benefits of exercise, exercise restriction has been a historical mainstay of therapy for these conditions. However, since familiarity with inherited arrhythmia conditions has increased and patients are often children and young adults, it is necessary to reassess the treatment guidelines regarding exercise constraints...
May 9, 2018: Herz
https://www.readbyqxmd.com/read/29716709/management-of-electrical-storm-of-unstable-ventricular-tachycardia-in-post-myocardial-infarction-patients-a-single-centre-experience
#13
B Hygriv Rao, Mohammed Sadiq Azam, Geetesh Manik
OBJECTIVE: This is a case series of consecutive patients with past myocardial infarction presenting with Electrical Storm (ES) of unstable ventricular tachycardia (VT) treated by a protocol directed algorithm. METHODS: Management protocol involved treatment of reversible causes, ventilatory & hemodynamic support, administration of antiarrhythmic drugs (AAD) & maximally tolerated doses of beta-blockers, stellate ganglionectomy and Radiofrequency ablation (RFA) guided by Electro Anatomic Mapping (EAM)...
March 2018: Indian Heart Journal
https://www.readbyqxmd.com/read/29709436/extracorporeal-membrane-oxygenation-beyond-cardiac-surgery-and-intensive-care-unit-unconventional-uses-and-future-perspectives
#14
REVIEW
Fabrizio Monaco, Alessandro Belletti, Tiziana Bove, Giovanni Landoni, Alberto Zangrillo
Extracorporeal membrane oxygenation (ECMO) is used with increasing frequency to treat severe cardiac or respiratory failure as it can provide respiratory only or combined circulatory and respiratory support. Despite efforts aimed at increasing its diffusion however, ECMO is currently reserved, usually as last resort, in very severe cases, which are managed almost exclusively in the intensive care unit (ICU). Recent improvements in both technology and patients' management is leading to constant improvement in patients' outcome, especially in centers with a high caseload volume and after ensuring careful patients' selection...
March 20, 2018: Journal of Cardiothoracic and Vascular Anesthesia
https://www.readbyqxmd.com/read/29704693/cardiac-arrest-during-spine-surgery-in-the-prone-position-case-report-and-review-of-the-literature
#15
REVIEW
Victor E Staartjes, Shiva A Schillevoort, Patricia G Blum, J Peter van Tintelen, Wouter E Kok, Marc L Schröder
OBJECTIVE: Intraoperative cardiac arrest (CA) is usually attributable to pre-existing disease, or to intraoperative complications. In rare cases, intraoperative stress can demask certain genetic diseases, such as Catecholaminergic Polymorphic Ventricular Tachycardia (CPVT). It is essential that neurosurgeons are aware of the etiologies, risk factors, and initial management of CA during surgery in the prone position. METHODS: We present a case of CA directly after spinal fusion for lumbar spondylolisthesis, and review the literature on cardiac arrests during spinal neurosurgery in the prone position...
April 26, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29699616/propranolol-versus-metoprolol-for-treatment-of-electrical-storm-in-patients-with-implantable-cardioverter-defibrillator
#16
Sofia Chatzidou, Christos Kontogiannis, Diamantis I Tsilimigras, Georgios Georgiopoulos, Marinos Kosmopoulos, Elektra Papadopoulou, Georgios Vasilopoulos, Stylianos Rokas
BACKGROUND: Electrical storm (ES), characterized by unrelenting recurrences of ventricular arrhythmias, is observed in approximately 30% of patients with implantable cardioverter-defibrillators (ICDs) and is associated with high mortality rates. OBJECTIVES: Sympathetic blockade with β-blockers, usually in combination with intravenous (IV) amiodarone, have proved highly effective in the suppression of ES. In this study, we compared the efficacy of a nonselective β-blocker (propranolol) versus a β1 -selective blocker (metoprolol) in the management of ES...
May 1, 2018: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/29696170/international-electrical-storm-registry-electra-background-rationale-study-design-and-expected-results
#17
Federico Guerra, Michele Accogli, Paolo Bonelli, Corrado Carbucicchio, Valentina Catto, Laura Cipolletta, Gaetano Maria De Ferrari, Gabriele Dell'Era, Veronica Dusi, Oscar Fabregat-Andrés, Marco Flori, Eraldo Occhetta, Pietro Palmisano, Francesca Patani, Alessandro Proclemer, Alessandro Capucci
Electrical storm (ES) is defined as three or more episodes of ventricular fibrillation (VF) or ventricular tachycardia (VT) within 24 h and is associated with an increased cardiac and all-cause mortality. ES is a full arrhythmic emergency, its prevalence steadily increasing along with the number of implantable cardioverter-defibrillator implanted every year in developed countries. Nowadays, little evidence exists regarding clinical predictors of ES and their potential association on mortality and heart failure (HF), nor optimal pharmacological and non-pharmacological treatment has ever been codified...
September 2017: Contemporary Clinical Trials Communications
https://www.readbyqxmd.com/read/29693943/anesthetic-management-of-caesarean-section-in-a-patient-with-verapamil-sensitive-ventricular-tachycardia-after-catheter-ablation
#18
Minori Morita
A 32-year-old pregnant woman with verapamil sensitive ventricular tachycardia underwent elective caesarean section. She received catheter ablation for frequent tachycardia, but ventricular tachycardia appeared. In the operating room, a defibrillator pad was placed on her chest for external defibrillation, with A-line in a left radial artery. General anesthesia was started with rapid sequence induction. The anesthetic course was uneventful, and the infant showed no complication during the perioperative period...
May 2017: Masui. the Japanese Journal of Anesthesiology
https://www.readbyqxmd.com/read/29688316/diagnostic-and-therapeutic-strategies-for-arrhythmogenic-right-ventricular-dysplasia-cardiomyopathy-patient
#19
Weijia Wang, Cynthia A James, Hugh Calkins
Arrhythmogenic right ventricular dysplasia/cardiomyopathy (ARVD/C) is a rare inherited heart muscle disease characterized by ventricular tachyarrhythmia, predominant right ventricular dysfunction, and sudden cardiac death. Its pathophysiology involves close interaction between genetic mutations and exposure to physical activity. Mutations in genes encoding desmosomal protein are the most common genetic basis. Genetic testing plays important roles in diagnosis and screening of family members. Syncope, palpitation, and lightheadedness are the most common symptoms...
April 23, 2018: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/29656687/longitudinal-evaluation-of-ventricular-ejection-fraction-and-nt-probnp-across-heart-failure-subgroups
#20
Andreas Martinsson, Petter Oest, Maj-Britt Wiborg, Öyvind Reitan, J Gustav Smith
OBJECTIVES: Left ventricular ejection fraction (EF) and N-terminal pro-B-type natriuretic peptide (NT-proBNP) are important surrogate markers of cardiac function and wall stress. Randomized trials of heart failure (HF) have shown improvements in survival in patients with reduced EF (<40%, HFrEF) but not with preserved EF (≥50%, HFpEF) or mid-range EF (40-49%, HFmrEF). Limited information is available on the trajectory of EF in contemporary heart failure management programs (HFMPs)...
April 14, 2018: Scandinavian Cardiovascular Journal: SCJ
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