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Implantible Cardioverter Defibrillator

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https://www.readbyqxmd.com/read/29236216/long-term-outcomes-of-a%C3%A2-caucasian-cohort-presenting-with-acute-coronary-syndrome-and-or-out-of-hospital-cardiac-arrest-caused-by-coronary-spasm
#1
W Vlastra, M Piek, M A van Lavieren, M E J C Hassell, B E Claessen, G W Wijntjens, T P van de Hoef, K D Sjauw, M A Beijk, R Delewi, J J Piek
BACKGROUND: Coronary artery spasm may be the underlying mechanism in up to 10% of cases of acute coronary syndrome (ACS) and sudden cardiac death. Asian individuals exhibit a 3-times greater incidence of spasm than Caucasians; this is likely due to different types of mechanisms. Consequently, solid data is limited about the long-term prognosis in Caucasian patients presenting with ACS and/or out-of-hospital cardiac arrest (OHCA) caused by coronary spasm. METHODS: Between 2002 and 2015, thirty Caucasian patients with coronary artery spasm presenting with ACS (N = 29) and/or OHCA (N = 11) were enrolled in this prospective registry...
December 13, 2017: Netherlands Heart Journal
https://www.readbyqxmd.com/read/29234842/-patients-with-a-wearable-cardioverter-defibrillator-wcd-prescription-function-and-rehabilitation-support
#2
REVIEW
A Schlitt, M Guha, M Noutsias, H H Klein, H U Klein
Assessment of a permanent risk of life-threatening ventricular arrhythmia in patients with severely reduced left ventricular ejection fraction (LVEF <35%), e. g. after myocarditis, dilated cardiomyopathy, acute myocardial infarction, in patients with postpartum cardiomyopathy or implantable cardioverter-defibrillator (ICD) and cardiac resynchronization treatment plus defibrillator (CRT-D) infection with temporary explantation of the system is a medical challenge. This is time-consuming and unsafe because life-threatening ventricular arrhythmias may occur during the time of risk assessment...
December 12, 2017: Herz
https://www.readbyqxmd.com/read/29231820/higher-defibrillation-threshold-in-methamphetamine-cardiomyopathy-patients-with-implantable-cardioverter-defibrillator
#3
Rakesh Malhotra, Shyam Patel, Tekchand Ramchand, Omar Al Nimri
INTRODUCTION: Identification of patients with an increased risk of high defibrillation thresholds (DFTs) is important in planning implantable cardioverter-defibrillator (ICD) procedures. Clinical observations have suggested that patients with methamphetamine cardiomyopathy (MACMP) have significantly elevated defibrillation thresholds. We hypothesized that MACMP patients would have higher DFT thresholds than controls and would require procedural changes during ICD implantation to accommodate higher thresholds...
November 2017: Indian Pacing and Electrophysiology Journal
https://www.readbyqxmd.com/read/29231819/holding-area-linq-trial-halt
#4
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/29226642/homoarginine-associates-with-zonulin-and-tryptophan-findings-in-a-high-risk-cohort-of-patients-carrying-an-aicd
#5
Elli Mann, Robert Kluesener, Felix Boschann, Jana Ruppert, Franz P Armbruster, Andreas Meinitzer, Christoph Melzer, Thomas B Dschietzig
BACKGROUND: Homoarginine (hArg) is known to have an impact on nitric oxide (NO) metabolism. It seems to increase NO generation and/or availability, thereby enhancing endothelial function. In addition, hArg is connected to energy metabolism since the key enzyme, L-arginine-glycine amidinotransferase (AGAT) for hArg synthesis in the kidneys, is also involved in the synthesis of energy metabolites like guanidinoacetate. Former studies indicate that low levels of hArg are linked to cardiovascular disease and increased all-cause mortality...
November 1, 2017: Clinical Laboratory
https://www.readbyqxmd.com/read/29225826/subcutaneous-defibrillator-implantation-as-a-bridge-until-left-ventricular-function-normalizes
#6
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/29222869/new-generation-cardioverter-defibrillator-lead-with-a-floating-atrial-sensing-dipole-long-term-performance
#7
Erdal Safak, Giuseppe D Ancona, Hilmi Kaplan, Evren Caglayan, Stephan Kische, Alper Öner, Hüseyin Ince, Jasmin Ortak
OBJECTIVES: Study aim is to present the long-term performance of a new generation implantable cardioverter defibrillator (ICD) electrode with floating atrial dipole (Linox S DX, Biotronik). BACKGROUND: The single ICD electrode with a floating dipole in the atrial chamber was introduced about 15 years ago to overcome risk of inappropriate shock. METHODS: After implant, internal ECG data were prospectively collected via tele-monitoring (Home Monitoring, Biotronik)...
December 9, 2017: Pacing and Clinical Electrophysiology: PACE
https://www.readbyqxmd.com/read/29221700/acute-and-long-term-results-after-contemporary-subcutaneous-implantable-cardioverter-defibrillator-implantation-a-single-center-experience
#8
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
#9
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/29221231/primary-prevention-implantable-cardioverter-defibrillator-in-patients-with-reduced-ejection-fraction-for-ischemic-or-non-ischemic-cardiomyopathy-or-both
#10
EDITORIAL
Amr F Barakat, Ahmed N Mahmoud, Islam Y Elgendy
No abstract text is available yet for this article.
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
#11
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
#12
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/29217253/update-on-cardiovascular-implantable-electronic-devices-for-anesthesiologists
#13
REVIEW
Brett Cronin, Michael K Essandoh
With the advent of "wireless" endocardial pacing, the subcutaneous implantable cardioverter defibrillator, and leadless pacemakers comes an added layer of complexity to the perioperative management of cardiovascular implantable electronic devices (CIED). Since no formal recommendations currently exist for these new CIED technologies, preoperative identification of these devices, understanding their functionality, and developing an individualized perioperative management plan are imperative for the anesthesiologist...
September 7, 2017: Journal of Cardiothoracic and Vascular Anesthesia
https://www.readbyqxmd.com/read/29216988/catheter-ablation-of-ventricular-tachycardia-in-structural-heart-disease-indications-strategies-and-outcomes-part-ii
#14
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
#15
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/29216014/incorporating-patients-preference-diagnosis-in-implantable-cardioverter-defibrillator-decision-making-a-review-of-recent-literature
#16
Krystina B Lewis, Sandra L Carroll, David Birnie, Dawn Stacey, Daniel D Matlock
PURPOSE OF REVIEW: Strong recommendations exist for implantable cardioverter defibrillators (ICD) in appropriately selected patients. Yet, patient preferences are not often incorporated when decisions about ICD therapy are made. Literature published since 2016 was reviewed aiming to discuss current advances and ongoing challenges with ICD decision-making in adults, discuss shared decision-making (SDM) as a strategy to incorporate preference diagnoses, summarize current evidence on effective interventions to facilitate SDM, and identify opportunities for research and practice...
January 2018: Current Opinion in Cardiology
https://www.readbyqxmd.com/read/29215412/serial-fdg-pet-ct-imaging-in-the-management-of-cardiac-sarcoidosis
#17
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/29215366/implantable-cardioverter-defibrillators-and-survival-in-continuous-flow-left-ventricular-assist-device-patients
#18
Valentina Kutyifa, Genaro Fernandez, Saadia Sherazi, Mehmet Aktas, David Huang, Scott McNitt, Anna Papernov, Meng Wang, H Todd Massey, Leway Chen, Jeffrey D Alexis
The association of an implantable cardioverter defibrillator (ICD) with survival in patients with left ventricular assist devices (LVADs) is not well understood. We evaluated all-cause mortality by the presence of an ICD at the time of LVAD implantation, or by ICD implantation after LVAD placement in 191 patients, using Kaplan-Meier survival analyses and Cox models with multivariate adjustment. During the median follow-up of 23 months, 33 of 129 patients (26%) with an ICD and 17 of 62 patients (27%) without an ICD died...
December 5, 2017: ASAIO Journal: a Peer-reviewed Journal of the American Society for Artificial Internal Organs
https://www.readbyqxmd.com/read/29215340/a-report-of-brugada-syndrome-presenting-with-cardiac-arrest-triggered-by-verapamil-intoxication
#19
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
#20
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
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