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Implantable Cardiac Devices

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https://www.readbyqxmd.com/read/29453592/patient-specific-registration-of-3d-ct-angiography-cta-with-x-ray-fluoroscopy-for-image-fusion-during-transcatheter-aortic-valve-implantation-tavi-increases-performance-of-the-procedure
#1
I Vernikouskaya, W Rottbauer, J Seeger, B Gonska, V Rasche, Jochen Wöhrle
OBJECTIVES: The aim of this study was to adapt patient-specifically a co-registration procedure for image fusion (IF) of a pre-interventional CT dataset with real-time X-ray (XR) fluoroscopy during transfemoral transcatheter aortic valve implantation (TAVI), enabling improved performance of the procedure. BACKGROUND: The ability to use 3D models of the respective anatomies to complement the anatomic information obtained by XR fluoroscopy and provide a greater degree of real-time anatomical guidance holds great potential for complex cardiac interventions, especially for TAVI procedures with cerebral protection...
February 16, 2018: Clinical Research in Cardiology: Official Journal of the German Cardiac Society
https://www.readbyqxmd.com/read/29453324/incidence-and-predictors-of-perioperative-complications-with-transvenous-lead-extractions-real-world-experience-with-national-cardiovascular-data-registry
#2
Nitesh Sood, David T Martin, Rachel Lampert, Jeptha P Curtis, Craig Parzynski, Jude Clancy
BACKGROUND: Transvenous lead extraction is an integral part of management of patients with cardiovascular implantable electronic devices. Real-world incidence and predictors of perioperative complications in extractions involving implantable cardioverter-defibrillator leads have not been described in detail. METHODS AND RESULTS: Data from the National Cardiovascular Data Registry Implantable Cardioverter-Defibrillator Registry were analyzed. Lead extraction was defined as removal of leads implanted for >1 year...
February 2018: Circulation. Arrhythmia and Electrophysiology
https://www.readbyqxmd.com/read/29452360/the-role-of-transvenous-lead-extraction-in-the-management-of-redundant-or-malfunctioning-pacemaker-and-defibrillator-leads-post-electra
#3
Baldeep S Sidhu, Justin Gould, Benjamin Sieniewicz, Bradley Porter, Christopher A Rinaldi
Cardiac implantable electronic devices implantation rates have increased over the past decade due to broader indications and an ageing population. Similarly, device and lead complications have also risen. The management of pacemaker/defibrillator leads that are no longer required (redundant) or malfunctioning, can be contentious. There is a need to balance the risk of transvenous lead extraction (TLE) against those of lead abandonment. The recently published European Lead Extraction ConTRolled Registry (ELECTRa) study provides contemporary outcomes for TLE across Europe with important implications for the management of redundant and/or malfunctioning leads...
February 14, 2018: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/29452273/3d-bioprinted-functional-and-contractile-cardiac-tissue-constructs
#4
Zhan Wang, Sang Jin Lee, Heng-Jie Cheng, James J Yoo, Anthony Atala
Bioengineering of a functional cardiac tissue composed of primary cardiomyocytes has great potential for myocardial regeneration and in vitro tissue modeling. However, its applications remain limited because the cardiac tissue is a highly organized structure with unique physiologic, biomechanical, and electrical properties. In this study, we undertook a proof-of-concept study to develop a contractile cardiac tissue with cellular organization, uniformity, and scalability by using three-dimensional (3D) bioprinting strategy...
February 13, 2018: Acta Biomaterialia
https://www.readbyqxmd.com/read/29445060/clinical-usefulness-of-wearable-cardioverter-defibrillator-wcd-and-current-understanding-of-its-clinical-indication-in-japan
#5
Shinichi Niwano, Yukio Sekiguchi, Yosuke Ishii, Yuki Iwasaki, Ritsushi Kato, Hideo Okamura, Masahiko Takagi, Takashi Kurita, Takashi Nitta
Prevention of sudden cardiac death (SCD) has become an important issue in today's cardiovascular field, together with various developments in secondary prevention of basic cardiac diseases. The importance of the implantable cardioverter defibrillator (ICD) is now widely accepted because it has exhibited significant improvement in patients' prognoses in ischemic and non-ischemic cardiovascular diseases. However, there is an unignorable gap between the ICD indication in the guidelines and real-world high-risk patients for SCD, especially in the acute recovery phase of cardiac injury...
February 14, 2018: Circulation Journal: Official Journal of the Japanese Circulation Society
https://www.readbyqxmd.com/read/29445055/an-inappropriate-shock-case-early-after-implantation-of-a-subcutaneous-cardiac-defibrillator-by-subcutaneous-entrapped-air
#6
Yuka Taguchi, Toshiyuki Ishikawa, Katsumi Matsumoto, Yutaka Ogino, Hirooki Matsushita, Kohei Iguchi, Junya Hosoda
A 17-year-old woman was resuscitated from cardiac arrest due to ventricular fibrillation and was diagnosed with concealed long QT syndrome. She underwent subcutaneous implantable cardiac defibrillator (S-ICD) implantation at our hospital. The device electrogram immediately after implantation was normal. Four days after implantation, she received an inappropriate shock. The device interrogation revealed a continuous baseline shift and frequent oversensing for low amplitude signals, followed by a shock. A chest radiograph in the orthogonal view showed entrapped subcutaneous air surrounding the distal electrode...
February 14, 2018: International Heart Journal
https://www.readbyqxmd.com/read/29444267/safety-of-laser-interstitial-thermal-therapy-in-patients-with-pacemakers
#7
Sanjeet S Grewal, Krzysztof R Gorny, Christopher P Favazza, Robert E Watson, Timothy J Kaufmann, Jamie J Van Gompel
BACKGROUND AND IMPORTANCE: Laser interstitial thermal therapy (LiTT) has increasingly been used as a treatment option for medically refractory epilepsy, tumors, and radiation necrosis. The use of LiTT requires intraoperative magnetic resonance (MR) thermography. This can become an issue in patients with other implanted therapeutic devices such as pacemakers and vagal nerve stimulators due to concerns regarding increases in the specific absorption rate (SAR). This is a technical case report demonstrating a successfully and safely performed LiTT in a 1...
February 10, 2018: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/29442199/multisite-cardiac-resynchronization-therapy-for-traditional-and-non-traditional-indications
#8
Avishag Laish-Farkash, Sharon Bruoha, Vladimir Khalameizer, Chaim Yosefy, Yoav Michowitz, Mahmoud Suleiman, Amos Katz
PURPOSE: Multisite cardiac resynchronization therapy (MSCRT) with dual-vein left ventricular (LV) pacing has theoretical advantages over conventional CRT in faster and more physiological LV activation. We aimed to define indications, feasibility, safety, acute, and long-term results of MSCRT. METHODS: All patients implanted with MSCRT during 2008-2014 in a single center were reviewed and analyzed. RESULTS: Thirty-nine patients (90% CRT-defibrillators, 64 ± 9 years, 85% male, 74% ischemic etiology) were included...
February 13, 2018: Journal of Interventional Cardiac Electrophysiology: An International Journal of Arrhythmias and Pacing
https://www.readbyqxmd.com/read/29440837/transcatheter-closure-of-postsurgical-ruptured-sinus-of-valsalva-with-amplatzer-duct-occluder-ii-as%C3%A2-device
#9
Cristina Capogrosso, Giuseppe Santoro, Mario Giordano, Maria Giovanna Russo
Sinus of Valsalva (SV) rupture is a rare, cardiac complication after surgical repair of complex congenital heart disease. This paper reports a 4-year-old male child with double outlet right ventricle (RV) and pulmonary stenosis with superior-inferior arrangement of the ventricles, who was submitted to surgical repair using the "reparation a l'etage ventriculaire" procedure. A few months after an uneventful surgical repair, his clinical condition abruptly worsened because of the rupture of the right SV into the RV outflow tract resulting in large left-to-right shunt and RV functional impairment...
January 2018: Annals of Pediatric Cardiology
https://www.readbyqxmd.com/read/29439300/angiovac-system-used-as-an-adjunct-treatment-for-intra-cardiac-lead-and-valvular-vegetations
#10
Vishesh Kumar, Shahbaz A Malik, Maryam Sheikh, Adam Stys
Infections are known complications of cardiovascular implantable electronic devices (CIEDs). We describe a case of a 62-year-old male who presented with pulseless electrical activity (PEA) cardiac arrest and respiratory failure. He had a history of cardiac resynchronization device and defibrillator (CRT-D) implantation for nonischemic cardiomyopathy. After resuscitation, he was found to have methicillin sensitive Staphylococcus aureus (MSSA) bacteremia on blood culture and large vegetations on the CRT-D lead and tricuspid valve found on echocardiography...
January 2018: South Dakota Medicine: the Journal of the South Dakota State Medical Association
https://www.readbyqxmd.com/read/29438530/hypertrophic-obstructive-cardiomyopathy-what-when-why-for-whom
#11
Carlos A Mestres, Thomas Bartel, Antonio Sorgente, Silvana Müller, Christiane Gruner, Joseph Dearani, Eduard Quintana
Hypertrophic cardiomyopathy is the most common genetic cardiovascular disorder and is associated with symptoms of heart failure and increased risk of sudden cardiac death. The most common condition is obstruction of the left ventricular outflow tract. Surgical septal myectomy and alcohol septal ablation are the 2 accepted modes of septal reduction therapy and are indicated when there are advanced symptoms and a peak left ventricular outflow gradient ≥50 mmHg. Advantages of alcohol septal ablation are limited groin approach, reduction of obstruction of the left ventricular outflow tract and functional improvement, but there are higher chances for intracardiac device implantation and residual obstruction...
February 9, 2018: European Journal of Cardio-thoracic Surgery
https://www.readbyqxmd.com/read/29436010/changes-in-total-cardiac-output-and-oxygen-extraction-during-exercise-in-patients-supported-with-an-hvad-left-ventricular-assist-device
#12
Thomas Schmidt, Birna Bjarnason-Wehrens, Stephanie Mommertz, Meike Hannig, Sebastian Schulte-Eistrup, Detlev Willemsen, Nils Reiss
Following implantation of a left ventricular assist device (LVAD), acceptable functional performance is now being achieved; however, peak VO 2 and peak work load (watts) remain considerably limited. Maximum physical capacity is essentially dependent on generated cardiac output (CO) and arteriovenous oxygen difference (avDO 2 ). We investigated the changes in CO and avDO 2 during exercise in LVAD patients with an HVAD pump (HeartWare Inc., Framingham, MA, USA). Approximately 6 weeks after implantation, 20 patients (100% male, 60...
February 12, 2018: Artificial Organs
https://www.readbyqxmd.com/read/29432525/factors-influencing-the-use-of-subcutaneous-or-transvenous-implantable-cardioverter-defibrillators-results-of-the-european-heart-rhythm-association-prospective-survey
#13
Serge Boveda, Radoslaw Lenarczyk, Stefano Fumagalli, Roland Tilz, Kinga Goscinska-Bis, Maciej Kempa, Pascal Defaye, Christelle Marquié, Alessandro Capucci, Laura Ueberham, Nikolaos Dagres
The purpose of this European Heart Rhythm Association (EHRA) prospective snapshot survey is to provide an overview of the factors influencing patient selection for the implantation of a particular type of device: subcutaneous implantable cardioverter-defibrillator (S-ICD) or transvenous implantable cardioverter-defibrillator (TV-ICD), across a broad range of tertiary European centres. A specially designed electronic questionnaire was sent via the internet to tertiary reference centres routinely implanting both TV-ICDs and S-ICDs...
February 8, 2018: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/29432133/programming-cardiac-resynchronization-therapy-for-electrical-synchrony-reaching-beyond-left-bundle-branch-block-and-left-ventricular-activation-delay
#14
Niraj Varma, David O'Donnell, Mohammed Bassiouny, Philippe Ritter, Carlo Pappone, Jan Mangual, Daniel Cantillon, Nima Badie, Bernard Thibault, Brian Wisnoskey
BACKGROUND: QRS narrowing following cardiac resynchronization therapy with biventricular (BiV) or left ventricular (LV) pacing is likely affected by patient-specific conduction characteristics (PR, qLV, LV-paced propagation interval), making a universal programming strategy likely ineffective. We tested these factors using a novel, device-based algorithm (SyncAV) that automatically adjusts paced atrioventricular delay (default or programmable offset) according to intrinsic atrioventricular conduction...
February 6, 2018: Journal of the American Heart Association
https://www.readbyqxmd.com/read/29431527/role-of-cardiac-electronic-implantable-device-in-the-stratification-and-management-of-embolic-risk-of-silent-atrial-fibrillation-are-all-atrial-fibrillations-created-equal
#15
Andrea Di Cori, Alessio Lilli, Giulio Zucchelli, Valerio Zaca
Ischemic strokes may be associated with atrial fibrillation (AF). AF detection is critical in ischemic stroke survivors, often recommending a switch from antiplatelet therapy to oral anticoagulants for secondary prevention. Areas covered: Cardiac implantable electronic devices (CIED) with their long-term recording capability allows to document AF and to quantify the arrhythmia burden. Recent series in pacemaker and implantable cardioverter-defibrillator (ICD) recipients with no prior stroke showed that short episodes of AF increased stroke risk compared with those without AF recorded...
February 12, 2018: Expert Review of Cardiovascular Therapy
https://www.readbyqxmd.com/read/29429635/clinical-findings-after-bioresorbable-vascular-scaffold-implantation-in-an-unrestricted-cohort-of-patients-with-st-segment-elevation-myocardial-infarction-from-the-rai-registry
#16
Elisabetta Moscarella, Alfonso Ielasi, Attilio Varricchio, Maria Carmen De Angelis, Bruno Loi, Giuseppe Tarantini, Paolo Calabrò, Bernardo Cortese, Pietro Mazzarotto, Gabriele Gabrielli, Francesco Pisano, Michela Facchin, Leonardo Misuraca, Valerio Lucci, Roberto Gistri, Gabriele Tumminello, Luciano Moretti, Alessandro Colombo, Alessandro Durante, Massimo Fineschi, Davide Piraino, Maurizio Ferrario, Sebastian Coscarelli, Annamaria Nicolino, Maurizio Tespili, Donatella Corrado, Giuseppe Steffenino
BACKGROUND: The bioresorbable vascular scaffold (BVS) technology may be an appealing option in ST-segment elevation myocardial infarction (STEMI) patients. However, the available evidence on its use in this challenging subset is limited. METHODS: Registro Absorb Italiano (RAI) is a multicenter, prospective registry that aims to assess BVS performance through a 5-year follow-up of all consecutive patients who undergone at least 1 successful BVS implantation. As a part of it, a subgroup analysis in STEMI patients was performed and the outcomes of this cohort compared to the remaining population (defined as "non-STEMI") are reported here...
February 3, 2018: International Journal of Cardiology
https://www.readbyqxmd.com/read/29428147/cardiac-implantable-electronic-devices
#17
EDITORIAL
Ranjan K Thakur, Andrea Natale
No abstract text is available yet for this article.
March 2018: Cardiac Electrophysiology Clinics
https://www.readbyqxmd.com/read/29428146/management-of-perioperative-anticoagulation-for-device-implantation
#18
REVIEW
Merrill H Stewart, Daniel P Morin
Periprocedural management of anticoagulation for cardiac device implantation has evolved over the past 20 years. The traditional paradigm of vitamin K antagonist interruption with heparin bridging has now been shown to be less safe than continuation of vitamin K antagonists at therapeutic levels. Dual antiplatelet therapy during device implantation poses substantial risk but is often necessary. The safest dosing strategy for newer direct oral anticoagulants is still not clear.
March 2018: Cardiac Electrophysiology Clinics
https://www.readbyqxmd.com/read/29428143/causes-and-prevention-of-inappropriate-implantable-cardioverter-defibrillator-shocks
#19
REVIEW
Nitin Kulkarni, Mark S Link
Use of implantable cardioverter-defibrillators as a primary prevention therapy has been shown to reduce mortality in patients after cardiac arrest and also with left ventricular systolic dysfunction. Yet, inappropriate shocks are variably reported and associated with a reduction in quality of life. Inappropriate shocks are the result of environmental causes leading to electromagnetic interference and inappropriate sensing of external noise, device-related causes from inappropriate sensing of physiologic or pathologic signals, and supraventricular arrhythmias...
March 2018: Cardiac Electrophysiology Clinics
https://www.readbyqxmd.com/read/29428141/remote-monitoring-for-chronic-disease-management-atrial-fibrillation-and-heart-failure
#20
REVIEW
Maki Ono, Niraj Varma
This review aims to cover the latest evidence of remote monitoring of cardiac implantable electronic devices for the management of atrial fibrillation and heart failure. Remote monitoring is useful for early detection for device-detected atrial fibrillation, which increases the risk of thromboembolic events. Early anticoagulation based on remote monitoring potentially reduces the risk of stroke, but optimal alert setting needs to be clarified. Multiparameter monitoring with automatic transmission is useful for heart failure management...
March 2018: Cardiac Electrophysiology Clinics
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