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ICD Lead

Jay A Montgomery, Jody M Orton, Christopher R Ellis
No abstract text is available yet for this article.
October 20, 2016: Journal of Cardiovascular Electrophysiology
Oruganti Sai Satish, K Sashikanth Srivastav
Till recently, ST segment elevation in the absence of conduction abnormalities or chest pain occurring particularly in young bradycardia individuals has been considered a normal variant called early repolarisation (ER). However, recent studies suggest a more worrisome picture as patients with history of idiopathic ventricular fibrillation showed increased prevalence of ER in ECG. ER is an ECG pattern characterised by elevation of the QRS-ST junction (J point) ≥ 2 mv from baseline in the inferior (II, III, aVF) or lateral (I, aVL, V4-V6) leads manifested as QRS slurring or notching...
July 2016: Journal of the Association of Physicians of India
Hemant Chaturvedi, Rudra Dev Pandey, Krishna Kumar Sharma, Jitendra Singh Makkar, Sanjeev K Sharma
We present a patient with asymptomatic apical hypertrophic cardiomyopathy (AHCM) who recently developed cardiac arrhythmias, and shortly discuss the diagnostic modalities, differential diagnosis, and treatment strategy for this condition. AHCM is a rare form of hypertrophic cardiomyopathy, which usually involves the apex of the left ventricle. AHCM can occur with varied presentations such as chest pain, palpitations, dyspnea, syncope, atrial fibrillation, myocardial infarction, embolic events, ventricular fibrillation, and congestive heart failure...
September 2016: Indian Heart Journal
Thomas Sené, Olivier Lidove, Joel Sebbah, Jean-Marc Darondel, Hervé Picard, Laurent Aaron, Olivier Fain, Thierry Zenone, Dominique Joly, Philippe Charron, Jean-Marc Ziza
The incidence and predictive factors of arrhythmias and/or conduction abnormalities (ACAs) requiring cardiac device (CD) implantation are poorly characterized in Fabry disease (FD). The aim of our retrospective study was to determine the prevalence, incidence, and factors associated with ACA requiring CD implantation in a monocentric cohort of patients with confirmed FD who were followed up in a department of internal medicine and reference center for FD.Forty-nine patients (20M, 29F) were included. Nine patients (4M, 5F; 18%) had at least one episode of ACA leading to device therapy...
October 2016: Medicine (Baltimore)
Marcin Michalak, Andrzej Cacko, Agnieszka Kapłon-Cieślicka, Monika Budnik, Przemysław Stolarz, Grzegorz Opolski, Marcin Grabowski
BACKGROUND: Single-lead for implantable cardioverter-defibrillator (ICD) with floating atrial sensing dipole is a new diagnostic tool with the potential advantage in terms of arrhythmia discrimination. We sought to determine whether right heart size and dipole position influence atrial sensing. METHODS: Atrial sensing amplitude (AS) was measured during implantation (PP, periprocedural), predischarge (IHFU, in-hospital follow-up) and 3-6 months after the procedure (AFU, ambulatory follow-up)...
October 17, 2016: Cardiology Journal
Torsten Konrad, Sebastian Sonnenschein, Frank Patrick Schmidt, Hanke Mollnau, Karsten Bock, Blanca Quesada Ocete, Thomas Münzel, Cathrin Theis, Thomas Rostock
AIMS: Different cardiac arrhythmias have been suggested to be associated with Danon disease, e.g. Wolff-Parkinson-White syndrome. However, a systematic electrophysiological investigation of patients with Danon disease is lacking thus far. METHODS AND RESULTS: Seven patients with Danon disease (4 males, 35.8 ± 10.8 years; 3 females, 51.3 ± 19.9 years) from 3 different families were studied. In all patients, the presence of Danon disease was confirmed by western blot of biopsy material or genetic testing...
October 14, 2016: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
Anders Elgaard Kristensen, Jacob Moesgaard Larsen, Jens Cosedis Nielsen, Jens Brock Johansen, Jens Haarbo, Helen Høgh Petersen, Sam Riahi
AIMS: The validity of registry data on defibrillator lead performance is described only sparsely, despite its clinical importance. This study investigated the validity of defibrillator lead performance registry data in a nationwide and population-based registry. METHODS AND RESULTS: We identified all reported surgical interventions due to defibrillator lead events in the Danish Pacemaker and ICD Register (DPIR) from 2000 to 2013. Medical records of all patients (n = 753) were examined blinded for 5 predefined intervention types and 18 reasons for lead intervention...
October 13, 2016: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
Jason Huang, Kristen K Patton, Jordan M Prutkin
BACKGROUND: The subcutaneous implantable cardioverter-defibrillator (S-ICD) is a novel implanted defibrillator for the prevention of sudden cardiac death that avoids intravascular access. Use of this device is limited by its inability to provide backup pacing. Combined use of the S-ICD with a permanent pacemaker may be the optimal choice in certain situations though experience with the use of both devices together remains limited. METHODS: We reviewed our single center experience with the S-ICD from March 2011 to November 2015...
October 13, 2016: Pacing and Clinical Electrophysiology: PACE
Mateusz Tajstra, Elżbieta Gadula-Gacek, Anna Kurek, Elżbieta Adamowicz-Czoch, Dawid Olszowski, Mateusz Ostręga, Aneta Ciślak, Łukasz Pyka, Michał Hawranek, Andrzej Lekston, Lech Poloński, Mariusz Gąsior
BACKGROUND: Current real-life information from all-comers registries from middle and east Europe about the incidence and type of complications during long-term follow-up of patients with cardioverters-defibrillators (ICD) and cardiac resynchronization devices-defibrillators (CRT-D) is still insufficient. The aim of the study was to assess the incidence and determinants of short- and long-term complications related to implantable ICD and CRT-D. METHODS: We studied 1,105 recipients hospitalized in our center in 2009-2013, followed for a mean of 2...
October 13, 2016: Cardiology Journal
Daniel J Rubin, Elizabeth A Handorf, Sherita Hill Golden, Deborah B Nelson, Marie E McDonnell, Huaqing Zhao
OBJECTIVE: To develop and validate a tool to predict the risk of all-cause readmission within 30 days (30-d readmission) among hospitalized patients with diabetes. METHODS: A cohort of 44,203 discharges was retrospectively selected from the electronic records of adult patients with diabetes hospitalized at an urban academic medical center. Discharges of 60% of the patients (n = 26,402) were randomly selected as a training sample to develop the index. The remaining 40% (n = 17,801) were selected as a validation sample...
October 2016: Endocrine Practice
S M Crawford, J Skinner, E Coombes, A P Jones
AIM: A potential impact of the centralisation of cancer services in the UK is difficulty in gaining access for members of the population living far from them. This could lead to delayed presentation of cancer with more advanced disease and clinical deterioration at diagnosis. A patient may be recorded in the cancer registry as having cancer of unknown primary (CUP) if the clinical state at presentation precludes investigation. Other patients may be so recorded if investigation identifies sites of metastatic tumour but the primary is not found...
October 5, 2016: Clinical Oncology: a Journal of the Royal College of Radiologists
Philipp Attanasio, Melika Mirdamadi, Jean-Yves Wielandts, Burkert Pieske, Florian Blaschke, Leif-Hendrik Boldt, Pierre Jais, Wilhelm Haverkamp, Martin Huemer
AIMS: For cardiac implantable electronic device (CIED) implantations, visualization of lead placement is necessary and fluoroscopy remains by far the most commonly used technique. With simple changes in the X-ray system settings, total radiation dose can be reduced significantly. The purpose of this study was to assess the safety and efficacy of various CIED implantations performed after implementation of a new dose reduction protocol (DRP). METHODS AND RESULTS: We conducted a retrospective chart review of 584 patients undergoing CIED implantation or revision in our hospital...
October 4, 2016: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
Eran Leshem, Mahmoud Suleiman, Avishag Laish-Farkash, Yuval Konstantino, Michael Glikson, Alon Barsheshet, Ilan Goldenberg, Yoav Michowitz
AIMS: Dual-coil leads were traditionally considered standard of care due to lower defibrillation thresholds (DFT). Higher complication rates during extraction with parallel progression in implantable cardioverter defibrillator (ICD) technology raised questions on dual coil necessity. Prior substudies found no significant outcome difference between dual and single coils, although using higher rates of DFT testing then currently practiced. We evaluated the temporal trends in implantation rates of single- vs...
October 4, 2016: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
Florence Mgawadere, Regine Unkels, Adetoro Adegoke, Nynke van den Broek
BACKGROUND: Assessing the feasibility of conducting a prospective Reproductive Age Mortality Survey (RAMOS) study in the low-income setting of Mangochi District, Malawi to obtain cotemporaneous estimates of the number, cause of and conditions associated with maternal deaths (MD) in all women of reproductive age (WRA) (n = 207 688). METHODS: MD among all deaths of WRA were identified using the ICD-10 definition. Cause of death and contributing conditions identified by a panel of experts using the classification system for deaths during pregnancy, childbirth and puerperium (ICD-MM)...
September 29, 2016: BMC Pregnancy and Childbirth
Fabio Quartieri, Daniele Giacopelli, Matteo Iori, Nicola Bottoni
In this case report, we look into the implant procedure of a single-lead ICD with floating atrial sensing dipole in a pregnant woman, without using fluoroscopy. This system benefits the proper positioning of the lead. This is possible thanks to the simultaneous display of both the atrial and ventricular dipoles on the electro-anatomical mapping system. This technique may be taken into consideration for the few rare cases where fluoroscopy is absolutely contraindicated.
March 2016: Indian Pacing and Electrophysiology Journal
Marc-Alexander Ohlow, Marcus Roos, Bernward Lauer, J Christoph Geller
The purpose of this study was to assess (1) the incidence of safety margin testing <10 J (SMT) and (2) the efficacy/safety of routinely adding a subcutaneous array (SQA) (Medtronic 6996SQ) for these patients. Patients with SMT smaller than a 10-J safety margin from maximum output were considered to have very high readings and underwent SQA insertion. These patients were compared with the rest of the patients who had acceptable SMT (≥10 J). A total of 616 patients underwent ICD implantation during the analysis period...
March 2016: Indian Pacing and Electrophysiology Journal
Hannah Friedman, John V Higgins, James D Ryan, Thomas Konecny, Samuel J Asirvatham, Yong-Mei Cha
BACKGROUND: In the USA, the number of people needing implantable cardioverter defibrillators (ICDs) has grown dramatically. Many ICD recipients will need to undergo a surgical procedure at some point following ICD implantation. Most surgeries involve the use of electrocautery. Currently, the effects of electrocautery-induced electromagnetic interference (EI-EMI) on ICDs are poorly understood. The aim of this study was to study EI-EMI using prospectively collected clinical data. METHODS: We analyzed prospectively collected ICD data from patients undergoing a surgical procedure at Mayo Clinic between 2011 and 2012...
September 24, 2016: Journal of Interventional Cardiac Electrophysiology: An International Journal of Arrhythmias and Pacing
Julio J Jauregui, Dean C Perfetti, Frank S Cautela, David B Frumberg, Qais Naziri, Carl B Paulino
BACKGROUND: Although rare, spinal injuries associated with abuse can have potentially devastating implications in the pediatric population. We analyzed the association of pediatric spine injury in abused children and determined the anatomic level of the spine affected, while also focusing on patient demographics, length of stay, and total hospital charges compared with spine patients without a diagnosis of abuse. METHODS: A retrospective review of the Kids' Inpatient Database was conducted from 2000 to 2012 to identify pediatric patients (below 18 y) who sustained vertebral column fractures or spinal cord injuries...
September 22, 2016: Journal of Pediatric Orthopedics
Laurent Fauchier, Christine Alonso, Frédéric Anselme, Hugues Blangy, Pierre Bordachar, Serge Boveda, Nicolas Clementy, Pascal Defaye, Jean-Claude Deharo, Patrick Friocourt, Daniel Gras, Franck Halimi, Didier Klug, Jacques Mansourati, Benjamin Obadia, Jean-Luc Pasquié, Dominique Pavin, Nicolas Sadoul, Jérôme Taieb, Olivier Piot, Olivier Hanon
Despite the increasingly high rate of implantation of pacemakers (PM) and cardioverter-defibrillators (ICD) in elderly patients, data supporting their clinical and cost-effectiveness in this age stratum are ambiguous and contradictory. We reviewed the data regarding the applicability, safety, and effectiveness of the conventional pacing, ICD and cardiac resynchronization therapy (CRT) in elderly patients. Although peri-procedural risk may be slightly higher in the elderly, the procedure of implantation of PMs and ICDs is still relatively safe in this age group...
September 1, 2016: Gériatrie et Psychologie Neuropsychiatrie du Vieillissement
Raghav Murthy, Matthew R Williams, James C Perry, Suzanne Shepard, Daniel DiBardino
The primary and secondary prevention of sudden cardiac death resulting from malignant arrhythmia, channelopathy, and hypertrophic cardiomyopathy often requires the implantation of automatic internal cardiac defibrillators (AICDs) in the pediatric population. In young patients, the small size of the systemic veins, complex anatomy of congenital heart disease, and body habitus often preclude safe and durable transvenous placement of the AICD coil, requiring innovative methods to circumvent this problem. This report describes the technique used at Rady Children's Hospital San Diego/UCSD for the epicardial placement of an ICD system with a transvenous ICD coil placed between the aorta and pulmonary artery, thereby producing a stable location and excellent coil-to-can vector for successful defibrillation...
October 2016: Annals of Thoracic Surgery
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