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Implantable cardiac defibrillators

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https://www.readbyqxmd.com/read/29232275/complex-decision-making-in-heart-failure-a-systematic-review-and-thematic-analysis
#1
Aimee V Hamel, Joseph E Gaugler, Carolyn M Porta, Niloufar Niakosari Hadidi
BACKGROUND: Heart failure follows a highly variable and difficult course. Patients face complex decisions, including treatment with implantable cardiac defibrillators, mechanical circulatory support, and heart transplantation. The course of decision-making across multiple treatments is unclear yet integral to providing informed and shared decision-making. Recognizing commonalities across treatment decisions could help nurses and physicians to identify opportunities to introduce discussions and support shared decision-making...
December 11, 2017: Journal of Cardiovascular Nursing
https://www.readbyqxmd.com/read/29231819/holding-area-linq-trial-halt
#2
John J Lee, Daniel Weitz, Rishi Anand
BACKGROUND: Recent studies have shown that insertable cardiac monitors (ICMs) can be implanted out of the traditional hospital setting and efforts are being made to explore the feasibility of implanting these devices in a specific standardized location other than the operating room or a cardiac catherization/electrophysiology lab. METHODS: This was a prospective, non-randomized, single center post-market clinical trial designed to occur in the holding area of a hospital operating room or cardiac catheterization/electrophysiology laboratory...
November 2017: Indian Pacing and Electrophysiology Journal
https://www.readbyqxmd.com/read/29225838/multiple-inappropriate-implantable-cardiac-defibrillator-therapies-in-rapid-succession
#3
Jeffrey A Marbach, Colin Yeo, Martin S Green, Girish M Nair
Inappropriate implantable cardiac defibrillator (ICD) shocks are associated with significant morbidity and have the potential to trigger ventricular arrhythmias, cardiac decompensation, and death. We present a case of multiple inappropriate ICD therapies in rapid succession due electromagnetic interference from a Dr-Ho's transcutaneous electric nerve stimulator machine, and subsequently from a faulty electrical outlet.
December 2017: Clinical Case Reports
https://www.readbyqxmd.com/read/29225826/subcutaneous-defibrillator-implantation-as-a-bridge-until-left-ventricular-function-normalizes
#4
Antonio Bisignani, Silvana De Bonis, Giovanni San Pasquale, Laura Candreva, Cristina Franchin, Maurizio Malacrida, Giovanni Bisignani
Patients with reversible cardiac impairment may be, at least temporarily, at high risk of SCD and may go unprotected for considerable time. A less-invasive definitive or bridge solution is the implantation of a subcutaneous cardioverter-defibrillator (S-ICD). The less invasiveness of this procedure ensures easy removal of the system without exposing the patient to the risk of complications.
December 2017: Clinical Case Reports
https://www.readbyqxmd.com/read/29221700/acute-and-long-term-results-after-contemporary-subcutaneous-implantable-cardioverter-defibrillator-implantation-a-single-center-experience
#5
Miguel A Arias, Marta Pachón, Finn Akerström, Alberto Puchol, Cristina Martín-Sierra, Luis Rodríguez-Padial
INTRODUCTION AND OBJECTIVES: The subcutaneous implantable cardioverter-defibrillator (S-ICD) has emerged as an alternative to the transvenous defibrillator. The incidence of complications is similar, with inappropriate shocks (IS) being more frequent than those occurring with contemporary programming of transvenous defibrillators. Several improvements have been implemented after the S-ICD was approved for use in Europe in 2009. This study reports the results of S-ICD use in a single center, whose experience began late, at the end of 2013...
December 5, 2017: Revista Española de Cardiología
https://www.readbyqxmd.com/read/29221324/the-role-of-sympathectomy-in-long-qt-syndrome
#6
REVIEW
Achilleas Antonopoulos, David Lawrence, Davide Patrini, Marco Scarci, Robert George, Martin Hayward, Sofoklis Mitsos, Nikolaos Panagiotopoulos
Long QT syndrome (LQTS) is an uncommon and potentially fatal cardiac channelopathy. Treatment options can be medical with β-blockers or surgical with implantable cardioverter defibrillator (ICD) implantations and left cardiac sympathetic denervation (LCSD). Purpose of this paper is through a literature review to identify the management algorithm and the role of sympathectomy in LQTS.
September 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/29220423/tpeak-tend-interval-during-therapeutic-hypothermia-can-predict-upcoming-ventricular-fibrillation-in-subjects-with-aborted-arrhythmic-sudden-cardiac-death-3-years-follow-up-results
#7
Namsik Yoon, Seo Hong, Aaron Glass, Sung Soo Kim, Min Chul Kim, Jae Yeong Cho, Ki Hong Lee, Doo Sun Sim, Hyun Ju Yoon, Kye Hun Kim, Young Joon Hong, Hyung Wook Park, Ju Han Kim, Youngkeun Ahn, Myung Jeong, Jong Chun Park, Jeong Gwan Cho
Aims: Prolonged Tpeak-Tend interval has been shown to be markers of arrhythmogenesis in various cardiac disorders. However, its dynamicity is one of the obstacles to predict fatal ventricular arrhythmia. This study investigated whether Tpeak-Tend interval during therapeutic hypothermia (TH) is associated with ventricular fibrillation (VF) inducibility and clinical arrhythmia in subjects with aborted arrhythmic sudden cardiac death (SCD). Methods and results: The study group included 31 patients (24 males, age 39...
December 1, 2017: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/29217463/electrical-storm-in-the-early-phase-of-heartmate%C3%A2-ii-device-implantation-incidence-risk-factors-and-prognosis
#8
Jerome Corre, François Picard, Rodrigue Garcia, Adlane Zemmoura, Nicolas Derval, Arnaud Denis, Antoine Romen, Karine Nubret, Pierre Jais, Michel Haissaguerre, Pierre Dos Santos, Laurent Barandon, Frederic Sacher
BACKGROUND: Ventricular arrhythmia is common after left ventricular assist device (LVAD) implantation, especially in the early postoperative phase (<30 days). AIM: To identify the incidence of and risk factors for electrical storm (ES) occurring within 30 days of HeartMate® II implantation. METHODS: We reviewed data from all consecutive patients undergoing HeartMate® II device implantation at our institution from January 2008 to December 2014...
December 4, 2017: Archives of Cardiovascular Diseases
https://www.readbyqxmd.com/read/29216988/catheter-ablation-of-ventricular-tachycardia-in-structural-heart-disease-indications-strategies-and-outcomes-part-ii
#9
REVIEW
Srinivas R Dukkipati, Jacob S Koruth, Subbarao Choudry, Marc A Miller, William Whang, Vivek Y Reddy
In contrast to ventricular tachycardia (VT) that occurs in the setting of a structurally normal heart, VT that occurs in patients with structural heart disease carries an elevated risk for sudden cardiac death (SCD), and implantable cardioverter-defibrillators (ICDs) are the mainstay of therapy. In these individuals, catheter ablation may be used as adjunctive therapy to treat or prevent repetitive ICD therapies when antiarrhythmic drugs are ineffective or not desired. However, certain patients with frequent premature ventricular contractions (PVCs) or VT and tachycardiomyopathy should be considered for ablation before ICD implantation because left ventricular function may improve, consequently decreasing the risk of SCD and obviating the need for an ICD...
December 12, 2017: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/29216987/catheter-ablation-of-ventricular-tachycardia-in-structurally-normal-hearts-indications-strategies-and-outcomes-part-i
#10
REVIEW
Srinivas R Dukkipati, Subbarao Choudry, Jacob S Koruth, Marc A Miller, William Whang, Vivek Y Reddy
Catheter ablation of ventricular tachycardia (VT) is being increasingly performed; yet, there is often confusion regarding indications, outcomes, and how to identify those patient populations most likely to benefit. The management strategy differs between those with structural heart disease and those without. For the former, an implantable cardioverter-defibrillator (ICD) is typically required due to an elevated risk for sudden cardiac death, and catheter ablation can be used as adjunctive therapy to treat or prevent repetitive ICD therapies...
December 12, 2017: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/29215412/serial-fdg-pet-ct-imaging-in-the-management-of-cardiac-sarcoidosis
#11
William Bremer, Nadera J Sweiss, Yang Lu
A 60-year-old woman with biopsy-proven cardiac sarcoidosis status post implantable cardioverter defibrillator placement presented with periodic dizziness and dyspnea on exertion. Myocardial perfusion scan demonstrated a moderate sized, fixed perfusion defect along the mid to proximal anteroseptal wall of the left ventricle, with better perfusion on stress images. FDG-PET/CT demonstrated corresponding focal FDG avidity of the mid to proximal anteroseptal wall, suggestive of active cardiac sarcoidosis. Because of severe side effects, mycophenolate mofetil was discontinued, and the patient received low-dose steroid therapy...
December 5, 2017: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/29215340/a-report-of-brugada-syndrome-presenting-with-cardiac-arrest-triggered-by-verapamil-intoxication
#12
Kahraman Yakut, İlkay Erdoğan, Birgül Varan, İlyas Atar
BACKGROUND: Brugada syndrome is a disease characterized by a specific electrocardiographic pattern and an increased risk of sudden cardiac death. We present this case with the updated literature to emphasise the need to consider the diagnosis of Brugada syndrome in patients admitted to the emergency ward with sudden cardiac arrest. CASE REPORT: A 16-year-old female patient was admitted to the emergency ward with complaints of weakness and abdominal pain, and she had four cardiac arrests during her evaluation period...
December 1, 2017: Balkan Medical Journal
https://www.readbyqxmd.com/read/29211223/effectiveness-of-implantation-of-cardioverter-defibrillators-therapy-in-patients-with-non-ischemic-heart-failure-an-updated-systematic-review-and-meta-analysis
#13
Zhenhua Xing, Liang Tang, Chenyang Chen, Jiabing Huang, Zhaowei Zhu, Xinqun Hu
OBJECTIVE: Implantable cardioverter-defibrillator has become the first-line therapy for prevention of sudden cardiac death. Controversial results still exist regarding the effectiveness of implantable cardioverter-defibrillator (ICD) in non-ischemic heart failure. METHODS: The PubMed, Embase, and Cochrane Central databases were searched for randomized trials comparing implantable cardioverter-defibrillator in combination with medical treatment versus medical treatment for non-ischemic heart failure...
September 2017: Brazilian Journal of Cardiovascular Surgery
https://www.readbyqxmd.com/read/29205672/repetitive-incessant-electrical-storm-triggered-by-early-repolarization
#14
Sofia Chatzidou, Evangelos Repasos, Sotiris Plastiras, Christos Kontogiannis, Marinos Kosmopoulos, Diamantis I Tsilimigras, Ioannis Paraskevaidis, Stelios Rokas
Early repolarization syndrome (ERS) was originally considered a normal variant with benign outcome. However, recent studies have demonstrated that it can be linked to a considerable risk of life-threatening arrhythmias and sudden cardiac death. We report a case with an extraordinary, extremely malignant clinical expression of ERS refractory to all antiarrhythmic drugs including quinidine. This case demonstrates real-time changes of dynamic electrocardiogram (ECG) preceding a polymorphic ventricular tachycardia (VT)-ventricular fibrillation (VF) and possible external factors triggering arrhythmia onset...
December 5, 2017: Annals of Noninvasive Electrocardiology
https://www.readbyqxmd.com/read/29195547/the-role-of-interventricular-conduction-delay-to-predict-clinical-response-with-cardiac-resynchronization-therapy
#15
Michael R Gold, Yinghong Yu, Nicholas Wold, John D Day
BACKGROUND: Pacing at sites with late electrical activation or greater interventricular delay is associated with improvement in measures of cardiac resynchronization therapy (CRT) response, primarily reverse remodeling. However, little is known about whether such lead positions improve heart failure (HF) clinical outcomes. OBJECTIVE: The purpose of this study was to assess the association between interventricular electrical delay and HF clinical outcomes. METHODS: The Pacing Evaluation-Atrial SUpport Study was a multicenter randomized trial of patients undergoing CRT-defibrillator implantation...
December 2017: Heart Rhythm: the Official Journal of the Heart Rhythm Society
https://www.readbyqxmd.com/read/29191938/an-international-external-validation-study-of-the-2014-european-society-of-cardiology-guideline-on-sudden-cardiac-death-prevention-in-hypertrophic-cardiomyopathy-evidence-from-hcm
#16
Constantinos O'Mahony, Fatima Jichi, Steve R Ommen, Imke Christiaans, Eloisa Arbustini, Pablo Garcia-Pavia, Franco Cecchi, Iacopo Olivotto, Hiroaki Kitaoka, Israel Gotsman, Gerald Carr-White, Jens Mogensen, Loizos Antoniades, Saidi Mohiddin, Mathew S Maurer, Hak Chiaw Tang, Jeffrey B Geske, Konstantinos C Siontis, Karim Mahmoud, Alexa Vermeer, Arthur Wilde, Valentina Favalli, Oliver Guttmann, Maria Gallego-Delgado, Fernando Dominguez, Ilaria Tanini, Toru Kubo, Andre Keren, Teofila Bueser, Sarah Waters, Issa F Issa, James Malcolmson, Thomas Burns, Neha Sekhri, Christopher W Hoeger, Rumana Z Omar, Perry M Elliott
Background -Identification of people with hypertrophic cardiomyopathy (HCM) who are at risk of sudden cardiac death (SCD) and require prophylactic implantable cardioverter defibrillator (ICD) is challenging. In 2014, the European Society of Cardiology (ESC) proposed a new risk stratification method based on a risk prediction model (HCM Risk-SCD) which estimates the 5-year risk of SCD. The aim was to externally validate the 2014 ESC recommendations in a geographically diverse cohort of patients recruited from North America, Europe, The Middle East and Asia...
November 30, 2017: Circulation
https://www.readbyqxmd.com/read/29186401/appropriate-implantable-cardioverter-defibrillator-interventions-in-cardiac-resynchronization-therapy-defibrillator-crt-d-patients-undergoing-device-replacement-time-to-downgrade-from-crt-d-to-crt-pacemaker-insights-from-real-world-clinical-practice-in-the
#17
Maria Lucia Narducci, Mauro Biffi, Ernesto Ammendola, Antonello Vado, Andrea Campana, Domenico Rosario Potenza, Matteo Iori, Francesco Zanon, Valerio Zacà, Massimo Zoni Berisso, Matteo Bertini, Fabio Lissoni, Alberto Bandini, Maurizio Malacrida, Filippo Crea
Aim: Ventricular tachycardia (VT)/ventricular fibrillation (VF) occurrence after cardiac resynchronization therapy-defibrillator (CRT-D) replacement is unknown; hence, there is no practical guideline to recommend either CRT-D or CRT-pacemaker at the time of device replacement. We observed the 1-year VT/VF occurrence after CRT-D replacement in a subanalysis of the Detect Long-term Complications after ICD Replacement (DECODE) registry. Methods and results: A total of 332 consecutive patients who had undergone CRT-D replacement from 2013 to 2015 were enrolled in 36 Italian centres...
November 27, 2017: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/29183646/a-risk-score-to-predict-the-absence-of-left-ventricular-reverse-remodeling-implications-for-the-timing-of-icd-implantation-in-primary-prevention
#18
Jordi Pérez-Rodon, Enrique Galve, Carmen Pérez-Bocanegra, Teresa Soriano-Sánchez, Jesús Recio-Iglesias, Eva Domingo-Baldrich, Mila Alzola-Guevara, Ignacio Ferreira-González, Josep Ramon Marsal, Aida Ribera-Solé, Laura Gutierrez García-Moreno, Luz María Cruz-Carlos, Nuria Rivas-Gandara, Ivo Roca-Luque, Jaume Francisco-Pascual, Artur Evangelista-Masip, Àngel Moya-Mitjans, David García-Dorado
BACKGROUND: A prophylactic implantable cardioverter defibrillator (ICD) in patients with heart failure and reduced left ventricular ejection fraction (HFrEF) is only indicated when left ventricular ejection fraction (LVEF) reassessment remains ≤35% after 3-6 months on optimal pharmacological therapy. However, LVEF may not improve during this period and the patient may be exposed to an unnecessary risk of sudden cardiac death. This study aimed to determine the incidence and predictors of the absence of left ventricular reverse remodeling (LVRR) after pharmacological treatment optimization in patients with HFrEF to design a risk score of absence of LVRR...
November 25, 2017: Journal of Cardiology
https://www.readbyqxmd.com/read/29178898/the-wearable-cardioverter-defibrillator-as-a-bridge-to-reimplantation-in-patients-with-icd-or-crt-d-related-infections
#19
L Castro, S Pecha, M Linder, J Vogler, N Gosau, C Meyer, S Willems, H Reichenspurner, S Hakmi
BACKGROUND: The approach to treat device infection in patients with implantable cardioverter defibrillator (ICD) or cardiac resynchronization therapy defibrillator (CRT-D) is a challenging procedure. Optimal treatment is complete extraction of the infected device. To protect these patients from sudden cardiac arrest while waiting for reimplantation and to avoid recurrent infection, a wearable cardioverter defibrillator (WCD) seems to be a valuable solution. Therefore, we investigated the management and outcome of patients with ICD or CRT-D infections using the WCD as a bridge to re-implantation after lead extraction procedures...
November 25, 2017: Journal of Cardiothoracic Surgery
https://www.readbyqxmd.com/read/29174363/prognostic-significance-of-late-gadolinium-enhancement-on-cardiac-magnetic-resonance-in-patients-with-hypertrophic-cardiomyopathy
#20
Dongmei He, Min Ye, Liwen Zhang, Binghu Jiang
BACKGROUND: Late gadolinium enhancement (LGE) on cardiac MRI indicates the myocardial fibrosis in hypertrophic cardiomyopathy (HCM), and the prognostic value of LGE in HCM has been described in several studies, but controversy exists given the limited power of these studies to predict future adverse cardiac events. The objective of this study was to perform a meta-analysis to systematically evaluate the predictive value of LGE on cardiac magnetic resonance (CMR) for future adverse cardiac events...
November 21, 2017: Heart & Lung: the Journal of Critical Care
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