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https://www.readbyqxmd.com/read/29225838/multiple-inappropriate-implantable-cardiac-defibrillator-therapies-in-rapid-succession
#1
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/29222869/new-generation-cardioverter-defibrillator-lead-with-a-floating-atrial-sensing-dipole-long-term-performance
#2
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
#3
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/29221681/hypercalcemic-crisis-and-primary-hyperparathyroidism-cause-of-an-unusual-electrical-storm
#4
Tatiana Guimarães, Miguel Nobre Menezes, Diogo Cruz, Sónia do Vale, Armando Bordalo, Arminda Veiga, Fausto J Pinto, Dulce Brito
Hypercalcemia is a known cause of heart rhythm disorders, however its association with ventricular arrhythmias is rare. The authors present a case of a fifty-three years old male patient with a ischemic and ethanolic dilated cardiomyopathy, and severely reduced ejection fraction, carrier of cardiac resynchronization therapy (CRT) with cardioverter defibrillator (ICD), admitted in the emergency department with an electrical storm, with multiple appropriated ICD shocks, refractory to antiarrhythmic therapy. In the etiological investigation was documented severe hypercalcemia secondary to primary hyperparathyroidism undiagnosed until then...
December 5, 2017: Portuguese Journal of Cardiology: An Official Journal of the Portuguese Society of Cardiology
https://www.readbyqxmd.com/read/29197657/feasibility-of-extravascular-pacing-with-a-novel-substernal-electrode-configuration-the-substernal-pacing-acute-clinical-evaluation-space-study-the-substernal-pacing-acute-clinical-evaluation-study
#5
Darius P Sholevar, Stanley Tung, Vikas Kuriachan, Peter Leong-Sit, Henri Roukoz, Gregory Engel, Steven P Kutalek, Devender Akula, Amy E Thompson, Melissa G T Christie, Marina Ostanniy, Franck Molin
BACKGROUND: Subcutaneous ICDs provide an alternative to transvenous defibrillation but require higher shock outputs and offer no anti-tachycardia pacing. The SPACE study evaluated the feasibility of pacing from an extravascular substernal location. OBJECTIVE: The primary purpose of the SPACE study was to characterize pacing from the substernal space. Secondary objectives included evaluating extracardiac stimulation and recording electrograms. METHODS: The SPACE study prospectively evaluated the feasibility of pacing with a commercially available EP catheter (Medtronic Marinr®, 7 Fr) acutely implanted in the substernal space via minimally invasive subxiphoid access...
November 29, 2017: Heart Rhythm: the Official Journal of the Heart Rhythm Society
https://www.readbyqxmd.com/read/29194011/rapid-source-control-laparotomy-is-there-a-mortality-benefit-in-septic-shock
#6
James Vogler, Leslie Hart, Sharon Holmes, Jason Sciaretta, John Mihran Davis
BACKGROUND: In the 1990s, damage control laparotomy (DCL) became a proved approach to treat intra-abdominal injuries caused by trauma. In the ensuing two decades, this approach has been applied to non-traumatic abdominal processes as well. Although the benefits of DCL are clear, the benefit of rapid source-control laparotomy (RSCL) for non-traumatic abdominal diseases is much less clear. However, two recent cohort analyses identified significant increases in the mortality rate with RCSL compared with primary fascial closure (PFC)...
December 1, 2017: Surgical Infections
https://www.readbyqxmd.com/read/29180267/cardiac-arrest-and-brugada-syndrome-is-drug-induced-type-1-ecg-pattern-always-a-marker-of-low-risk
#7
Pietro Delise, Giuseppe Allocca, Nadir Sitta, Federico Migliore, Federica Dagradi, Carla Spazzolini, Luigi Sciarra, Valeria Carinci, Domenico Corrado, Leonardo Calò, Peter J Schwartz
BACKGROUND: Patients diagnosed as affected by Brugada syndrome (BrS) on the basis of a drug-induced type 1 ECG pattern (type1) are regarded as at low risk for cardiac arrest. We tested whether this assumption matches reality. METHODS: The study population included 26 patients from our group and 217 patients from three studies published between 2002 and 2013, all of them with aborted cardiac arrest (ACA) and in whom a previously unrecognized type1 (spontaneous or drug-induced) was discovered after the event, thus leading to the diagnosis of BrS...
November 16, 2017: International 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
#8
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/29177981/long-term-incidence-of-inappropriate-shocks-in-patients-with-implantable-cardioverter-defibrillators-in-clinical-practice-an-underestimated-complication
#9
Daniel Hofer, Jan Steffel, David Hürlimann, Laurent Haegeli, Thomas F Lüscher, Firat Duru, Urs Eriksson, Nazmi Krasniqi
BACKGROUND: Implantable cardioverter defibrillators (ICD) are life-saving device therapy, and patients often carry devices for decades with interim pulse generator exchanges. Inappropriate shocks are associated with impaired quality of life and increased mortality, but available data on their incidence and etiology outside of clinical trials is limited and usually restricted to the lifespan of a singular device. We hypothesized that the incidence in clinical practice is underestimated and aimed this study to retrospectively assess the long-term incidence and etiology of inappropriate shocks in a real-world cohort of patients with multiple ICDs over a long follow-up period...
November 25, 2017: Journal of Interventional Cardiac Electrophysiology: An International Journal of Arrhythmias and Pacing
https://www.readbyqxmd.com/read/29175281/predicting-survival-in-heart-failure-patients-with-an-implantable-cardioverter-defibrillator-the-heart-failure-meta-score
#10
Ana C Alba, Stephen D Walter, Gordon H Guyatt, Wayne C Levy, Jiming Fang, Heather J Ross, Douglas S Lee
BACKGROUND: Prognostic evaluation in heart failure (HF) is important to predict future events and decide timely management. Many HF patients are treated with an implantable cardioverter defibrillator (ICD). This study aimed to validate a meta-analytically-derived prognostic score to predict survival in ICD-HF patients. METHODS AND RESULTS: The HF Meta-Score includes 14 independent mortality predictors identified in a meta-analysis, including age, sex, ethnicity, diabetes, chronic obstructive pulmonary disease, peripheral vascular disease, atrial fibrillation, ischemic cardiomyopathy, history of heart failure admission, NYHA class, left ventricular ejection fraction, renal function, QRS duration, secondary prevention indication and ICD shocks...
November 22, 2017: Journal of Cardiac Failure
https://www.readbyqxmd.com/read/29171061/-hosting-an-implantable-cardioverter-defibrillator-a-phenomenological-inquiry
#11
Lorenza Garrino, Alberto Borraccino, Enrico Peraudo, Marco Bobbio, Valerio Dimonte
Implantable cardioverter defibrillators (ICDs) can reduce unexpected cardiac mortality, but they also have a dramatic impact on a patient's quality of life. We aimed to explore ICD recipients' experiences in order to foster improvements in the quality of care. Analyses were done using a descriptive phenomenological method, based on qualitative interview data from a purposive sample of 20 ICD recipients. Four main themes emerged: living with fear; relying on technology; knowing about the ICD and how to live with it; and coping with the effects of the ICD on daily life...
November 24, 2017: Research in Nursing & Health
https://www.readbyqxmd.com/read/29157723/implantable-cardioverter-defibrillator-therapy-in-hypertrophic-cardiomyopathy-a-simple-substudy
#12
Mate Vamos, Jeff S Healey, Jia Wang, Stuart J Connolly, Philippe Mabo, Lieselot VanErven, Josef Kautzner, Michael Glikson, Jorg Neuzner, Gilles O'Hara, Xavier Vinolas, Frederik Gadler, Stefan H Hohnloser
BACKGROUND: Patients with hypertrophic cardiomyopathy (HCM) are considered to be at high risk for elevated defibrillation thresholds, peri-procedural complications, and failed appropriate shocks. OBJECTIVE: To determine the value of defibrillation testing in HCM patients undergoing ICD implantation. METHODS: Defibrillation thresholds, perioperative complications, and long-term outcomes were compared between patients with HCM, and those with ischemic or dilated cardiomyopathy (ICM/DCM) enrolled in the SIMPLE trial...
November 17, 2017: Heart Rhythm: the Official Journal of the Heart Rhythm Society
https://www.readbyqxmd.com/read/29151182/electrical-cardioversion-of-patients-with-implanted-pacemaker-or-cardioverter-defibrillator-results-of-a-survey-of-german-centers-and-systematic-review-of-the-literature
#13
J Lüker, A Sultan, T Plenge, J van den Bruck, C-H Heeger, S Meyer, K Mischke, R R Tilz, D Vollmann, G Nölker, B Schäffer, S Willems, D Steven
AIMS: A relevant number of patients presenting for electrical cardioversion carry a pacemaker (PM) or ICD. Case reports suggest a potential hazard of external cardioversion/defibrillation. The incidence of shock related device complications is unknown. No guidelines or recommendations by international medical societies for a cardioversion protocol of cardiovascular implantable electronic device (CIED) patients exist. We conducted a nationwide survey to gather real-world clinical data on the current clinical approach towards these patients during electrical cardioversion and to estimate the incidence of shock-related complications...
November 18, 2017: Clinical Research in Cardiology: Official Journal of the German Cardiac Society
https://www.readbyqxmd.com/read/29146417/association-between-percutaneous-hemodynamic-support-device-and-survival-from-cardiac-arrest-in-the-state-of-michigan
#14
Andrew Pressman, Kelly N Sawyer, William Devlin, Robert Swor
INTRODUCTION: The role of circulatory support in the post-cardiac arrest period remains controversial. Our objective was to investigate the association between treatment with a percutaneous hemodynamic support device and outcome after admission for cardiac arrest. METHODS: We performed a retrospective study of adult patients with admission diagnosis of cardiac arrest or ventricular fibrillation (VF) from the Michigan Inpatient Database, treated between July 1, 2010, and June 30, 2013...
October 17, 2017: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/29146274/effects-of-angiotensin-neprilysin-inhibition-as-compared-to-angiotensin-inhibition-on-ventricular-arrhythmias-in-reduced-ejection-fraction-patients-under-continuous-remote-monitoring-of-implantable-defibrillator-devices
#15
Carlos de Diego, Luis González-Torres, José María Núñez, Raúl Centurión Inda, David A Martin-Langerwerf, Antonio D Sangio, Piotr Chochowski, Pilar Casasnovas, Julio C Blazquéz, Jesús Almendral
BACKGROUND: Angiotensin-neprilysin inhibition as compared to angiotensin inhibition decreased sudden cardiac death in reduced ejection fraction heart failure (rEFHF). The precise mechanism remains unclear. OBJECTIVE: To explore the effect of angiotensin-neprilysin inhibition on ventricular arrhythmias as compared to angiotensin inhibition in rEFHF patients with an implantable cardiac defibrillator (ICD) and remote monitoring. METHODS: We prospectively included 120 patients with ICD and: 1) New York Heart Association functional class≥ II, 2) left ventricular ejection fraction (LVEF) ≤40%, 3) remote monitoring...
November 13, 2017: Heart Rhythm: the Official Journal of the Heart Rhythm Society
https://www.readbyqxmd.com/read/29145303/epicardial-radiofrequency-catheter-ablation-of-brugada-syndrome-with-electrical-storm-during-ventricular-fibrillation-a-case-report
#16
Shufen Jiang, Xiaomeng Yin, Chang Dong, Yunlong Xia, Jinqiu Liu
RATIONALE: Brugada syndrome (BrS) is characterized by ST segment elevation at the J point ≥2 mm in the right precordial electrocardiogram (ECG) leads, in the absence of structural heart disease, electrolyte disturbances, or ischemia. It is a well-described cause of sudden death in young patients, especially in the age of between 30 and 40 years old. Here, we reported an unusual case of electrical storm (ES) of ventricular fibrillation (VF) caused by BrS with complete right bundle-branch block (CRBBB) in a 75-year-old male patient...
November 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29136126/risk-of-subsequent-sepsis-within-90-days-of-a-previous-hospital-stay-by-type-of-antibiotic-exposure
#17
James Baggs, Johm A Jernigan, Alison Laufer Halpin, Lauren H Epstein, Kelly M Hatfield, L Clifford McDonald
Background: We examined the risk of sepsis within 90 days after discharge from a previous hospital stay by type of antibiotic received during the previous stay. Methods: We retrospectively identified a cohort of hospitalized patients from the Truven Health MarketScan Hospital Drug Database. We examined the association between the use of certain antibiotics, determined a priori, during the initial hospital stay and risk of post-discharge sepsis controlling for potential confounding factors in a multivariable logistic regression model...
November 9, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/29134819/web-based-intervention-to-improve-implantable-cardioverter-defibrillator-patients-shock-related-anxiety-and-quality-of-life-a-randomized-controlled-trial
#18
Tuğba Yardımcı, Hatice Mert
In spite of its effectiveness, implantable cardioverter defibrillator (ICD) patients face psychological problems such as shock-related anxiety due to device shocks. The aim of this study was to evaluate whether a web-based intervention program for ICD patients would reduce shock-related anxiety and improve quality of life compared with usual care. This was a randomized controlled trial study including a total of 76 patients. Data were collected using Turkish versions of the Florida Shock Anxiety Scale and Short Form Health Survey (SF-36) at 0 (baseline), 3, and 6 months...
November 1, 2017: Clinical Nursing Research
https://www.readbyqxmd.com/read/29128111/nocturnal-phantom-shock-cessation-with-zolpidem
#19
L McLean House, Rachel E McKay, John Thomas Eagan, Zachary L McCormick
A 77 year old man with a biventricular ICD-pacemaker complained of painful, electric jolts disturbing him nightly from sleep. Extensive work-up including device interrogation revealed no defibrillations or arrhythmia, and he was subsequently diagnosed with phantom shocks (PS). His nightly PS symptoms terminated after starting zolpidem 10 mg each night. To date, literature review reveals fifteen articles reporting 163 phantom shock (PS) cases. PS affects 5-9% of ICD recipients. Risk factors include psychiatric disease, atrial fibrillation, NYHA functional status III or greater, prior shock storm, and intraoperative awareness during ICD placement, with defibrillation threshold testing...
November 8, 2017: Heart & Lung: the Journal of Critical Care
https://www.readbyqxmd.com/read/29122811/comparison-of-inappropriate-shocks-and-other-health-outcomes-between-single-and-dual-chamber-implantable-cardioverter-defibrillators-for-primary-prevention-of-sudden-cardiac-death-results-from-the-cardiovascular-research-network-longitudinal-study-of-implantable
#20
Pamela N Peterson, Robert T Greenlee, Alan S Go, David J Magid, Andrea Cassidy-Bushrow, Romel Garcia-Montilla, Karen A Glenn, Jerry H Gurwitz, Stephen C Hammill, John Hayes, Alan Kadish, Kristi Reynolds, Param Sharma, David H Smith, Paul D Varosy, Humberto Vidaillet, Chan X Zeng, Sharon-Lise T Normand, Frederick A Masoudi
BACKGROUND: In US clinical practice, many patients who undergo placement of an implantable cardioverter-defibrillator (ICD) for primary prevention of sudden cardiac death receive dual-chamber devices. The superiority of dual-chamber over single-chamber devices in reducing the risk of inappropriate ICD shocks in clinical practice has not been established. The objective of this study was to compare risk of adverse outcomes, including inappropriate shocks, between single- and dual-chamber ICDs for primary prevention...
November 9, 2017: Journal of the American Heart Association
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