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Implantable cardioverter defibrillator

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https://www.readbyqxmd.com/read/29667218/early-repolarization-is-involved-in-ventricular-fibrillation-in-patients-with-variant-angina
#1
Tetsuji Shinohara, Hidekazu Kondo, Akira Fukui, Hidefumi Akioka, Yasushi Teshima, Kunio Yufu, Mikiko Nakagawa, Naohiko Takahashi
BACKGROUND: Variant angina (VA) is caused by reversible coronary artery spasm, which is characterized by chest pain with ST segment elevations on a standard 12-lead electrocardiogram (ECG) at rest. VA attack often causes lethal ventricular arrhythmia. The early repolarization (ER) pattern is associated with ventricular fibrillation (VF). However, whether the ER pattern is involved in VF in patients with VA is not known. We investigated the association between the ER pattern and VF in patients with VA...
April 17, 2018: Pacing and Clinical Electrophysiology: PACE
https://www.readbyqxmd.com/read/29667046/radiotherapy-in-patients-with-cardiac-implantable-electronic-devices-clinical-and-dosimetric-aspects
#2
Giulia Riva, Ombretta Alessandro, Ruggero Spoto, Annamaria Ferrari, Cristina Garibaldi, Federica Cattani, Rosa Luraschi, Elena Rondi, Nicola Colombo, Fulvio Lorenzo Francesco Giovenzana, Carlo Maria Cipolla, Mikolaj Winnicki, Martina Persiani, Fabiana Castelluccia, Massimo Sarra Fiore, Roberto Orecchia, Barbara Alicja Jereczek-Fossa
As a result of aging, the number of patients with cardiac implantable electronic device (CIED) requiring radiotherapy (RT) continues to rise. The aim of this work was to evaluate RT-related malfunctions of CIED in a cohort of patients who underwent RT in our clinic from June 2010 to December 2016. We retrospectively analyzed 93 RT treatments in 63 patients with CIEDs. Patients were treated with 3D conformal RT, intensity-modulated RT and stereotactic RT. We collected clinical characteristics of cancer, models of CIEDs, total RT dose to tumor and radiation energy...
April 17, 2018: Medical Oncology
https://www.readbyqxmd.com/read/29663442/complexity-of-scar-and-ventricular-arrhythmias-in-dilated-cardiomyopathy-of-any-etiology-long-term-data-from-the-scarfear-cardiovascular-magnetic-resonance-predictors-of-appropriate-implantable-cardioverter-defibrillator-therapy-delivery-registry
#3
Stefano Pedretti, Sara Vargiu, Matteo Baroni, Santo Dellegrottaglie, Barbara Lanzarin, Alberto Roghi, Angela Milazzo, Giuseppina Quattrocchi, Maurizio Lunati, Patrizia Pedrotti
BACKGROUND: Late gadolinium enhancement (LGE) assessed with cardiovascular magnetic resonance (CMR) correlates with ventricular arrhythmias and survival in patients with structural heart disease. Whether some LGE characteristics may specifically improve prediction of arrhythmic outcomes is unknown. HYPOTHESIS: We sought to evaluate scar characteristics assessed with CMR to predict implantable cardioverter-defibrillator (ICD) interventions in dilated cardiomyopathy of different etiology...
April 17, 2018: Clinical Cardiology
https://www.readbyqxmd.com/read/29659777/number-of-pregnancies-and-subsequent-phenotype-in-a-cross-sectional-cohort-of-women-with-arrhythmogenic-cardiomyopathy
#4
Anna I Castrini, Øyvind H Lie, Ida S Leren, Mette E Estensen, Mathis K Stokke, Lars G Klæboe, Thor Edvardsen, Kristina H Haugaa
Aims: We aimed to assess the relation between number of pregnancies and cardiac structure, function, and arrhythmic events in women with arrhythmogenic cardiomyopathy (AC). Methods and results: We included female AC patients in a cross-sectional study. Number of pregnancies and pregnancy related symptoms were recorded. Ventricular arrhythmias were defined as aborted cardiac arrest, sustained ventricular tachycardia, or appropriate implantable cardioverter-defibrillator therapy...
April 6, 2018: European Heart Journal Cardiovascular Imaging
https://www.readbyqxmd.com/read/29659027/perioperative-hematoma-with-subcutaneous-icd-implantation-impact-of-anticoagulation-and-antiplatelet-therapies
#5
Seth H Sheldon, Ryan Cunnane, Madhav Lavu, Valay Parikh, Donita Atkins, Yeruva Madhu Reddy, Loren D Berenbom, Martin P Emert, Rhea Pimentel, Raghuveer Dendi, Dhanunjaya R Lakkireddy
BACKGROUND: The safety of perioperative anticoagulation (AC) and antiplatelet (AP) therapy with subcutaneous implantable cardioverter-defibrillator (S-ICD) implantation is unknown. The purpose of this study was to identify the risk factors associated with hematoma complicating S-ICD implantation. METHODS: Records were retrospectively reviewed from 200 consecutive patients undergoing S-ICD implantation at two academic medical centers. A hematoma was defined as a device site blood accumulation requiring surgical evacuation, extended hospital stay, or transfusion...
April 16, 2018: Pacing and Clinical Electrophysiology: PACE
https://www.readbyqxmd.com/read/29657596/high-defibrillation-threshold-with-a-subcutaneous-implantable-cardiac-defibrillator-due-to-the-lead-having-been-positioned-in-the-fat-layer
#6
Tatsuhiko Hirao, Junichi Nitta, Akira Sato, Yoshihide Takahashi, Masahiko Goya, Kenzo Hirao
A 46-year-old female with a body mass index of 38.9 kg/m2 and no organic heart disease underwent a subcutaneous implantable cardioverter-defibrillator implantation for secondary prevention of sudden cardiac death in the setting of idiopathic ventricular fibrillation. Defibrillation threshold (DFT) testing during implantation detected high shock impedance and high DFT. Fluoroscopy revealed subcoil fat between the lead and the sternum, which we suspected was the reason for the high shock impedance and high DFT...
April 2018: Journal of Arrhythmia
https://www.readbyqxmd.com/read/29657589/prognostic-significance-of-nonsustained-ventricular-tachycardia-in-patients-receiving-cardiac-resynchronization-therapy-for-primary-prevention-analysis-of-the-japan-cardiac-device-treatment-registry-database
#7
Hisashi Yokoshiki, Akihiko Shimizu, Takeshi Mitsuhashi, Hiroshi Furushima, Yukio Sekiguchi, Tetsuyuki Manaka, Nobuhiro Nishii, Takeshi Ueyama, Norishige Morita, Hideo Okamura, Takashi Nitta, Kenzo Hirao, Ken Okumura
Background: Whether nonsustained ventricular tachycardia (NSVT) is a marker of increased risk of sustained ventricular tachyarrhythmias (VTAs) remains to be established in patients receiving cardiac resynchronization therapy with a defibrillator (CRT-D) for primary prevention. Methods: Among the follow-up data of the Japan cardiac device treatment registry (JCDTR) with an implantation date between January 2011 and August 2015, information regarding a history of NSVT before the CRT-D implantation for primary prevention had been registered in 269 patients...
April 2018: Journal of Arrhythmia
https://www.readbyqxmd.com/read/29656721/radiofrequency-catheter-ablation-for-ventricular-tachycardia-in-ischaemic-cardiomyopathy-due-to-kawasaki-disease
#8
Hisaaki Komaki, Takashi Nakashima, Shinya Minatoguchi
In some patients with Kawasaki disease, a prior myocardial infarction causes ventricular tachycardia in the chronic post-myocardial infarction phase. We report the case of a 41-year-old man with symptomatic and haemodynamically unstable ventricular tachycardia in whom substrate ablation was performed for the ventricular tachycardia before insertion of an implantable cardioverter-defibrillator.
April 16, 2018: Cardiology in the Young
https://www.readbyqxmd.com/read/29652424/pre-discharge-test-may-worsen-cognitive-functioning-in-patients-with-implantable-cardioverter-defibrillator
#9
Alicja Raczak, Ludmiła Daniłowicz-Szymanowicz, Maciej Kempa, Anna Korsak, Emilia Kisicka, Ewa Lewicka, Mikołaj Majkowicz
No abstract text is available yet for this article.
2018: Kardiologia Polska
https://www.readbyqxmd.com/read/29651309/causes-of-differences-in-the-uptake-of-cardiac-implantation-electronic-devices-in-slovenia-in-comparison-to-other-countries
#10
Valentina Prevolnik Rupel, Renata Erker, Marko Divjak
Introduction: The purpose of this study is to analyse and present the causes of the differences in crude utilization rate in cardiac implantation electronic devices, specifically pacemakers and automatic implantable cardioverter-defibrillators, across 5 European countries, with a specific emphasis on Slovenia. Methods: Based on the results of the analysis of the uptake of cardiac implantation electronic devices across countries studied in MedtecHTA project, the targeted interviews were conducted to explain the factors that impact the differences and explain data in Slovenia...
March 2018: Zdravstveno Varstvo
https://www.readbyqxmd.com/read/29651098/implantable-cardioverter-defibrillators-in-chronic-kidney-disease
#11
Finnian R Mc Causland, Marc A Pfeffer
No abstract text is available yet for this article.
April 12, 2018: Nature Reviews. Nephrology
https://www.readbyqxmd.com/read/29650449/cardiac-sympathetic-innervation-and-appropriate-therapies-in-patients-with-an-implantable-cardioverter-defibrillator-in-primary-prevention
#12
Marina Navarro-Peñalver, Laroussi Mohamed-Salem, Fernando Domínguez, F Javier de Haro-Del Moral, Ignacio Fernández-Lozano, Domingo A Pascual-Figal
No abstract text is available yet for this article.
April 9, 2018: Revista Española de Cardiología
https://www.readbyqxmd.com/read/29650119/assessing-the-malignant-ventricular-arrhythmic-substrate-in-patients-with-brugada-syndrome
#13
Carlo Pappone, Giuseppe Ciconte, Francesco Manguso, Gabriele Vicedomini, Valerio Mecarocci, Manuel Conti, Luigi Giannelli, Paolo Pozzi, Valeria Borrelli, Lorenzo Menicanti, Zarko Calovic, Giuseppe Della Ratta, Josep Brugada, Vincenzo Santinelli
BACKGROUND: Guidelines recommend the use of implanted cardioverter-defibrillators in patients with Brugada syndrome and induced ventricular tachyarrhythmias, but there is no evidence supporting it. OBJECTIVES: This prospective registry study was designed to explore clinical and electrophysiological predictors of malignant ventricular tachyarrhythmia inducibility in Brugada syndrome. METHODS: A total of 191 consecutive selected patients with (group 1; n = 88) and without (group 2; n = 103) Brugada syndrome-related symptoms were prospectively enrolled in the registry...
April 17, 2018: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/29643282/safety-and-efficacy-of-subcutaneous-cardioverter-defibrillator-in-patients-at-high-risk-of-sudden-cardiac-death-primary-japanese-experience
#14
Shingo Sasaki, Hirofumi Tomita, Takuo Tsurugi, Yuji Ishida, Yoshihiro Shoji, Kimitaka Nishizaki, Takahiko Kinjo, Tomohide Endo, Fumie Nishizaki, Kenji Hanada, Kenichi Sasaki, Daisuke Horiuchi, Masaomi Kimura, Takumi Higuma, Hideharu Okamatsu, Yasuaki Tanaka, Junjiroh Koyama, Ken Okumura
BACKGROUND: The entirely subcutaneous implantable cardioverter defibrillator (S-ICD) was introduced as a new alternative to conventional transvenous ICD (TV-ICD) in Japan in February 2016, but its safety and efficacy are unclear.Methods and Results:A total of 60 patients (48 men, median age, 60 years; IQR, 44-67 years; primary prevention, n=24) underwent S-ICD implantation between February 2016 and August 2017. The device pocket was formed in the intermuscular space between the serratus anterior muscle and the latissimus dorsi muscle, and the parasternal S-ICD lead was placed according to pre-implant screening...
April 11, 2018: Circulation Journal: Official Journal of the Japanese Circulation Society
https://www.readbyqxmd.com/read/29643067/incidence-predictors-and-outcomes-associated-with-hypotensive-episodes-among-heart-failure-patients-receiving-sacubitril-valsartan-or-enalapril-the-paradigm-hf-trial-prospective-comparison-of-angiotensin-receptor-neprilysin-inhibitor-with-angiotensin-converting
#15
Orly Vardeny, Brian Claggett, Jessica Kachadourian, Scott M Pearson, Akshay S Desai, Milton Packer, Jean Rouleau, Michael R Zile, Karl Swedberg, Martin Lefkowitz, Victor Shi, John J V McMurray, Scott D Solomon
BACKGROUND: In PARADIGM-HF (Prospective Comparison of Angiotensin Receptor Neprilysin Inhibitor With Angiotensin-Converting Enzyme Inhibitor to Determine Impact on Global Mortality and Morbidity in Heart Failure), heart failure treatment with sacubitril/valsartan reduced the primary composite outcome of cardiovascular death or heart failure hospitalization compared with enalapril but resulted in more symptomatic hypotension. Concern on hypotension may be limiting use of sacubitril/valsartan in appropriate patients...
April 2018: Circulation. Heart Failure
https://www.readbyqxmd.com/read/29629921/assessment-of-cardiac-thrombosis-in-patients-with-left-ventricular-assist-device-using-multidetector-cardiac-computed-tomography
#16
Chukwuemeka A Obi, Nicholas Chan, Monica G Rizkalla, John N Makaryus
: A 79-year-old man with nonischemic cardiomyopathy who underwent left ventricular assist device HeartMate II and automated implantable cardioverter defibrillator placement presented with recurrent refractory sustained ventricular tachycardia, elevated lactate dehydrogenase, and low haptoglobin. Echocardiography demonstrated no thrombosis; cardiac computed tomography showed patent inflow and outflow cannulas while detecting an irregularly shaped mass adherent to the left coronary cusp of the aortic valve, suggesting a thrombus...
April 7, 2018: Journal of Cardiovascular Medicine
https://www.readbyqxmd.com/read/29628849/pectoralis-blocks-for-insertion-of-an-implantable-cardioverter-defibrillator-in-two-patients-with-duchenne-muscular-dystrophy
#17
Alexander B Froyshteter, Tarun Bhalla, Joseph D Tobias, Gregory S Cambier, Christopher T Mckee
Patients with Duchenne muscular dystrophy (DMD) often have systemic manifestations with comorbid involvement of the cardiac and respiratory systems that increase the risk of anesthetic and perioperative morbidity. These patients frequently develop progressive myocardial involvement with cardiomyopathy, depressed cardiac function, and arrhythmias. The latter may necessitate the placement of an automatic implantable cardioverter defibrillator (AICD) insertion. As a means of avoiding the need for general anesthesia and its inherent potential of morbidity, regional anesthesia may be used in specific cases...
April 2018: Saudi Journal of Anaesthesia
https://www.readbyqxmd.com/read/29628595/anesthesia-in-a-child-with-newly-diagnosed-hypertrophic-cardiomyopathy-for-placement-of-implantable-cardioverter-defibrillator
#18
Rajnish Kumar, Bibha Kumari
Hypertrophic cardiomyopathy (HCM) is a genetic myocardial disease usually characterized by asymmetric ventricular septal hypertrophy. HCM is an important cause of sudden cardiac death in adolescents and young adults. We are presenting a case report, ten years boy came in emergency with sudden loss of consciousness (witness cardiac arrest). Child was revived after cardiopulmonary resuscitation and send to coronary care unit. Echocardiography findings were suggestive of HCM. There was history of sudden death of her mother and maternal uncle...
January 2018: Anesthesia, Essays and Researches
https://www.readbyqxmd.com/read/29626366/six-year-follow-up-of-the-initial-dutch-subcutaneous-implantable-cardioverter-defibrillator-cohort-long-term-complications-replacements-and-battery-longevity
#19
Anne-Floor B E Quast, Vincent F van Dijk, Sing-Chien Yap, Alexander H Maass, Lucas V A Boersma, Dominic A Theuns, Reinoud E Knops
INTRODUCTION: Experience with the subcutaneous implantable cardioverter-defibrillator (S-ICD) is expanding rapidly. However, data on long-term performance or complications related to elective generator replacement is lacking. METHODS: Follow-up (FU) data of all patients implanted between December 2008 and April 2011 were collected. Complications were defined as those requiring surgical intervention. Kaplan-Meier estimates for complication and shock rates, with corresponding 95% confidence intervals (CI), were calculated...
April 6, 2018: Journal of Cardiovascular Electrophysiology
https://www.readbyqxmd.com/read/29626346/propofol-for-implantable-cardioverter-defibrillator-implantation-in-patients-with-brugada-syndrome
#20
Hye-Mee Kw On, Sung-Hoon Kim, Se-Ung Pa Rk, Jin-Ho Rh Im, Hee-Su N Park, Wook-Jong Kim, Gi-Byou Ng Nam
AIMS: Avoiding propofol in patients with Brugada syndrome has been suggested because of the theoretical risk of provoking ventricular arrhythmias, although propofol may be selected for conscious sedation during electrophysiological procedures in catheterization laboratories. This study aimed to document peri-procedural electrocardiographic changes and adverse events in patients with Brugada syndrome undergoing implantable cardioverter defibrillator (ICD) implantation using propofol sedation...
April 6, 2018: Pacing and Clinical Electrophysiology: PACE
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