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Heart Rhythm: the Official Journal of the Heart Rhythm Society

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https://www.readbyqxmd.com/read/29763747/roads-less-traveled-my-journey-through-electrophysiology-and-beyond
#1
Benjamin J Scherlag
No abstract text is available yet for this article.
May 12, 2018: Heart Rhythm: the Official Journal of the Heart Rhythm Society
https://www.readbyqxmd.com/read/29758404/a-prospective-blinded-evaluation-of-a-novel-sensing-methodology-designed-to-reduce-inappropriate-shocks-by-the-subcutaneous-implantable-defibrillator
#2
Dominic A M J Theuns, Tom F Brouwer, Paul Jones, Venugopal Allavatam, Steven Donnelley, Angelo Auricchio, Reinoud E Knops, Martin C Burke
BACKGROUND: The majority of inappropriate shocks from the subcutaneous implantable cardioverter-defibrillator (S-ICD) are caused by cardiac oversensing. A novel sensing methodology, SMART Pass (SP) aims to reduce cardiac oversensing. OBJECTIVE: To evaluate the effect of SP on shocks in ambulatory S-ICD patients. METHODS: Patients implanted in 2015-2016 and on remote monitoring were included and followed for one year. Shocks were adjudicated by three independent, blinded reviewers as appropriate or inappropriate...
May 11, 2018: Heart Rhythm: the Official Journal of the Heart Rhythm Society
https://www.readbyqxmd.com/read/29758403/progression-of-intra-hisian-atrioventricular-block-will-this-presage-a-renaissance-of-his-bundle-studies
#3
EDITORIAL
Melvin M Scheinman
No abstract text is available yet for this article.
May 11, 2018: Heart Rhythm: the Official Journal of the Heart Rhythm Society
https://www.readbyqxmd.com/read/29753945/atrial-fibrillation-mapping-strategies-the-hunt-is-on
#4
EDITORIAL
Fredrik Holmqvist, Tristram D Bahnson
No abstract text is available yet for this article.
May 10, 2018: Heart Rhythm: the Official Journal of the Heart Rhythm Society
https://www.readbyqxmd.com/read/29753023/reduced-left-ventricular-mechanical-dispersion-in-heart-failure-patients-undergoing-cardiac-resynchronisation-therapy-is-associated-with-superior-long-term-outcome
#5
Pieter van der Bijl, Mand Jh Khidir, Melissa Leung, Dilek Yilmaz, Bart Mertens, Nina Ajmone Marsan, Victoria Delgado, Jeroen J Bax
BACKGROUND: In heart failure (HF) patients, left ventricular mechanical dispersion (LVMD) reflects heterogeneous mechanical activation of the left ventricle. In HF patients, LVMD can be reduced after CRT. Whether lesser LVMD is associated with improved outcome is unknown. OBJECTIVE: To relate LVMD to long-term prognosis in a large cohort of HF patients after 6 months of cardiac resynchronization therapy (CRT). METHODS: Clinical, echocardiographic and ventricular arrhythmia (VA) data were analyzed from an ongoing registry of HF recipients of CRT...
May 9, 2018: Heart Rhythm: the Official Journal of the Heart Rhythm Society
https://www.readbyqxmd.com/read/29753022/determinants-of-heart-rate-variability-in-the-general-population-the-lifelines-cohort-study-determinants-of-heart-rate-variability
#6
Balewgizie Sileshi Tegegne, Tengfei Man, Arie M van Roon, Harriëtte Riese, Harold Snieder
BACKGROUND: Heart rate variability (HRV) is an important marker of heart health with low values reflecting reduced vagal control of the heart rhythm. OBJECTIVE: The aim of this study was to investigate to what extent a broad range of demographic (age, sex), lifestyle (physical activity, smoking, alcohol use) and psychosocial factors (stress, social wellbeing, neuroticism) explained individual differences in HRV in the general population. METHODS: Using baseline data of 10 second electrocardiograms (ECG) from the Lifelines cohort study (n=149,205;58...
May 9, 2018: Heart Rhythm: the Official Journal of the Heart Rhythm Society
https://www.readbyqxmd.com/read/29758405/accelerometer-based-av-synchronous-pacing-with-a-ventricular-leadless-pacemaker-results-from-the-micra-av-feasibility-studies
#7
Larry Chinitz, Philippe Ritter, Surinder Kaur Khelae, Saverio Iacopino, Christophe Garweg, Maria Grazia-Bongiorni, Petr Neuzil, Jens Brock Johansen, Lluis Mont, Efrain Gonzalez, Venkata Sagi, Gabor Z Duray, Nicolas Clementy, Todd Sheldon, Vincent Splett, Kurt Stromberg, Nicole Wood, Clemens Steinwender
BACKGROUND: Micra is a leadless pacemaker that is implanted in the right ventricle and provides rate response via a 3-axis accelerometer (ACC). Custom software was developed to detect atrial contraction using the ACC enabling AV synchronous pacing. OBJECTIVE: To sense atrial contractions from the Micra ACC signal and provide AV synchronous pacing. METHODS: The MASS/MASS2 early feasibility studies showed intracardiac accelerations related to atrial contraction can be measured via ACC in the Micra leadless pacemaker...
May 8, 2018: Heart Rhythm: the Official Journal of the Heart Rhythm Society
https://www.readbyqxmd.com/read/29753947/striking-the-right-balance-when-addressing-cybersecurity-vulnerabilities
#8
EDITORIAL
William H Maisel, Jessica E Paulsen, Matthew B Hazelett, Kimberly A Selzman
No abstract text is available yet for this article.
May 4, 2018: Heart Rhythm: the Official Journal of the Heart Rhythm Society
https://www.readbyqxmd.com/read/29753946/cybersecurity-vulnerabilities-of-cardiac-implantable-electronic-devices
#9
David J Slotwiner, Thomas F Deering, Kevin Fu, Andrea M Russo, Mary N Walsh, George F Van Hare
No abstract text is available yet for this article.
May 4, 2018: Heart Rhythm: the Official Journal of the Heart Rhythm Society
https://www.readbyqxmd.com/read/29758173/lack-of-genotype-phenotype-correlation-in-families-who-had-brugada-syndrome-and-sudden-arrhythmic-death-syndrome-with-reported-pathogenic-scn1b-variants
#10
Belinda Gray, Can Hasdemir, Jodie Ingles, Takeshi Aiba, Naomasa Makita, Vincent Probst, Arthur A M Wilde, Ruth Newbury-Ecob, Mary N Sheppard, Christopher Semsarian, Raymond W Sy, Elijah R Behr
BACKGROUND: There is limited evidence that Brugada syndrome (BrS) is due to SCN1B variants (BrS5). This gene may be inappropriately included in routine genetic testing panels for BrS or sudden arrhythmic death syndrome (SADS). OBJECTIVE: We sought to characterize the genotype-phenotype correlation in families who had BrS and SADS with reportedly pathogenic SCN1B variants and to review their pathogenicity. METHODS: Families with BrS and SADS were assessed from 6 inherited arrhythmia centers worldwide, and a comprehensive literature review was performed...
May 3, 2018: Heart Rhythm: the Official Journal of the Heart Rhythm Society
https://www.readbyqxmd.com/read/29729399/high-density-mapping-and-ablation-of-concealed-low-voltage-activity-within-pulmonary-vein-antra-results-in-improved-freedom-from-atrial-fibrillation-compared-to-pulmonary-vein-isolation-alone
#11
Nathan M Segerson, Brian Lynch, Joshua Mozes, Melinda M Marks, Daniel K Noonan, David Gordon, Pierre Jais, Marcos Daccarett
BACKGROUND: Despite advancements, the goal of durable pulmonary vein isolation (PVI) in all patients undergoing ablation for atrial fibrillation (AF) remains elusive. New high density mapping allows detection of concealed low voltage signals (CLVS) that persist after PVI and may represent vulnerabilities in the lesion set. OBJECTIVE: To determine the incidence of CLVSs after PVI and the effect of CLVS ablation on outcomes. METHODS: We conducted a case control study comparing 150 patients undergoing High Density Mapping (HDM) guided PVI and subsequent CLVS mapping and ablation (39 redo, 111 de novo) against 452 historical controls undergoing traditional PVI alone...
May 2, 2018: Heart Rhythm: the Official Journal of the Heart Rhythm Society
https://www.readbyqxmd.com/read/29723683/beyond-the-length-and-look-of-repolarization-defining-the-non-qtc-electrocardiographic-profiles-of-patients-with-congenital-long-qt-syndrome
#12
Conor M Lane, J Martijn Bos, Ram K Rohatgi, Michael J Ackerman
BACKGROUND: Little is known about the spectrum and prevalence of ECG features beyond the length and morphology of repolarization in patients with congenital long QT syndrome (LQTS). OBJECTIVE: To characterize the full ECG phenotype of LQTS patients and evaluate differences by age and LQTS genotype. METHODS: Retrospective review of 943 patients with LQTS (57% female, median age 25 years; IQR 9 - 34 years) was performed. Comprehensive analysis of their initial evaluation ECG was performed using definitions outlined in Heart Rhythm Society guidelines...
April 30, 2018: Heart Rhythm: the Official Journal of the Heart Rhythm Society
https://www.readbyqxmd.com/read/29715516/predicting-vasovagal-syncope-from-heart-rate-and-blood-pressure-a-prospective-study-in-140-subjects
#13
Nathalie Virag, Mark Erickson, Patricia Taraborrelli, Rolf Vetter, Phang Boon Lim, Richard Sutton
BACKGROUND: We developed a vasovagal syncope (VVS) prediction algorithm for use during head-up tilt with simultaneous analysis of heart rate (HR) and systolic blood pressure (SBP). We previously tested this algorithm retrospectively in 1155 subjects, showing sensitivity 95%, specificity 93% and median prediction time of 59s. OBJECTIVE: This study was prospective, single center, on 140 subjects to evaluate this VVS prediction algorithm and assess if retrospective results were reproduced and clinically relevant...
April 28, 2018: Heart Rhythm: the Official Journal of the Heart Rhythm Society
https://www.readbyqxmd.com/read/29753944/outcomes-with-prophylactic-use-of-percutaneous-left-ventricular-assist-devices-in-high-risk-patients-undergoing-catheter-ablation-of-scar-related-vt-a-propensity-matched-analysis
#14
Daniele Muser, Jackson J Liang, Simon A Castro, Tatsuya Hayashi, Andres Enriquez, Gregory S Troutman, Nelson W McNaughton, Gregory Supple, Edo Y Birati, Robert Schaller, Fermin C Garcia, David S Frankel, Sanjay Dixit, David J Callans, Erica S Zado, Francis E Marchlinski, Pasquale Santangeli
BACKGROUND: The PAINESD risk score predicts the risk of periprocedural acute hemodynamic decompensation (AHD) and post-procedural mortality in patients (pts) undergoing catheter ablation (CA) of scar-related ventricular tachycardia (VT). The role of prophylactic placement of percutaneous left ventricular assist devices (pLVAD) in high-risk pts is unknown. OBJECTIVES: We evaluated the outcomes of prophylactic use of pLVAD in high-risk pts undergoing CA of scar-related VT...
April 27, 2018: Heart Rhythm: the Official Journal of the Heart Rhythm Society
https://www.readbyqxmd.com/read/29709578/b-type-natriuretic-peptide-and-risk-of-sudden-death-in-patients-with-hypertrophic-cardiomyopathy
#15
Yuichiro Minami, Shintaro Haruki, Keigo Kanbayashi, Ryosuke Itani, Nobuhisa Hagiwara
BACKGROUND: The association between B-type natriuretic peptide (BNP) level and sudden cardiac death in patients with hypertrophic cardiomyopathy (HCM) remains unclear. OBJECTIVE: This study evaluated the impact of elevated BNP on sudden death risk in a cohort of patients with HCM. METHODS: This study included 346 patients with HCM. Plasma BNP levels were measured at initial evaluation. RESULTS: The median (interquartile range) BNP level in the study patients was 197...
April 27, 2018: Heart Rhythm: the Official Journal of the Heart Rhythm Society
https://www.readbyqxmd.com/read/29709577/endocardial-ablation-of-ventricular-ectopic-beats-arising-from-the-basal-infero-septal-process-of-the-left-ventricle
#16
Anthony Li, Zia Zuberi, Jason S Bradfield, John K Zarif, David E Ward, Robert H Anderson, Kalyanam Shivkumar, Magdi M Saba
BACKGROUND: Idiopathic VE shows predilection to sites within the left ventricular base such as the outflow tract/aortic sinuses, LV summit and adjacent to the aorto-mitral continuity. We characterize VE arising from the inferior septum of the LV base that were successfully managed by LV endocardial ablation from the infero-septal recess of the LV. OBJECTIVES: To determine the incidence, electrocardiographic, electrophysiological findings and anatomical features associated with ventricular ectopy (VE) arising from the basal infero-septal process of the left ventricle (ISP-LV) ablated using an LV endocardial approach via the infero-septal recess of the left ventricle...
April 27, 2018: Heart Rhythm: the Official Journal of the Heart Rhythm Society
https://www.readbyqxmd.com/read/29709576/leadless-pacemaker-versus-transvenous-single-chamber-pacemaker-therapy-a-propensity-matched-analysis
#17
Fleur V Y Tjong, Reinoud E Knops, Erik O Udo, Tom F Brouwer, Srinivas R Dukkipati, Jacob S Koruth, Jan Petru, Lucie Sediva, Norbert M van Hemel, Petr Neuzil, Vivek Y Reddy
BACKGROUND: The recent introduction of leadless pacemakers (LP) was aimed to eliminate transvenous lead- and pocket-related complications. While the initial results with the leadless pacemakers seem promising, the non-randomized nature, limited implant experience of operators and short follow up period of these studies preclude a simple comparison to transvenous pacemakers (PM). OBJECTIVES: The objective of this study is to provide a balanced comparison of leadless versus transvenous single-chamber PM therapy through a propensity matched analysis...
April 27, 2018: Heart Rhythm: the Official Journal of the Heart Rhythm Society
https://www.readbyqxmd.com/read/29709575/arrhythmia-genetics-not-dark-and-lite-but-fifty-shades-of-grey
#18
EDITORIAL
Dan M Roden, Andrew M Glazer, Brett Kroncke
No abstract text is available yet for this article.
April 27, 2018: Heart Rhythm: the Official Journal of the Heart Rhythm Society
https://www.readbyqxmd.com/read/29689310/strategically-targeting-calcium-altering-activation-sequence-to-reverse-remodel-the-failing-ventricle
#19
EDITORIAL
Lance D Wilson, Isabelle Deschenes
No abstract text is available yet for this article.
April 21, 2018: Heart Rhythm: the Official Journal of the Heart Rhythm Society
https://www.readbyqxmd.com/read/29684571/cryoballoon-best-practices-ii-practical-guide-to-procedural-monitoring-and-dosing-during-atrial-fibrillation-ablation-from-the-perspective-of-experienced-users
#20
Wilber Su, Arash Aryana, Rod Passman, Gurjit Singh, Robert Hokanson, Marcin Kowalski, Jason Andrade, Paul Wang
Since cryoballoon was evaluated in STOP-AF, over 350,000 patients with AF have been treated. Several studies have reported improved outcomes using the second-generation cryoballoon, and recent publications have evaluated modifications, refinements, and improvements to procedural techniques. Here, peer-reviewed manuscripts published since the first cryoballoon best practices review were summarized against the technical practices of physicians with a high-level of experience with the cryoballoon (average ≥6 years of experience in ≥900 cases)...
April 20, 2018: Heart Rhythm: the Official Journal of the Heart Rhythm Society
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