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https://www.readbyqxmd.com/read/28895301/early-leaflet-thrombosis-complicating-transcatheter-implantation-of-a-sapien-3-valve-in-a-native-right-ventricular-outflow-tract
#1
Mounir Riahi, Philipp Blanke, John Webb, Ronald G Carere
A 59-year-old female with Tetralogy of Fallot had a previous complete repair with RVOT patch enlargement. She developed subsequent severe symptomatic (NYHA III) pulmonary regurgitation with severe RV dilatation. She had a concomitant interstitial lung disease secondary to hypersensitivity pneumonitis that precluded her from cardiac surgery. After preprocedural assessment using computed tomography, echocardiography and invasive angiography we decided to implant a 29 mm Edwards Sapien 3 valve without pre-stenting...
September 12, 2017: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/28881765/mitral-isthmus-ablation-using-a-circular-mapping-catheter-positioned-in-the-left-atrial-appendage-as-a-reference-for-conduction-block
#2
Takahiko Nishiyama, Takehiro Kimura, Taishi Fujisawa, Kazuaki Nakajima, Akira Kunitomi, Shin Kashimura, Yoshinori Katsumata, Nobuhiro Nishiyama, Yoshiyasu Aizawa, Keiichi Fukuda, Seiji Takatsuki
BACKGROUND: For perimitral atrial flutter (PMFL) developing after catheter ablation of atrial fibrillation (AF), to create a complete conduction block at the mitral isthmus (MI) is mandatory to terminate it, however, it is still challenging. METHODS: This study consisted of 80 patients (74 male, 61 ± 8.1 years) undergoing MI ablation. After a circular mapping catheter was positioned at the neck of the left atrial appendage (LAA), the MI ablation was performed on the MI line just below the LAA neck targeting the earliest activation recording site of the LAA catheter during pacing from the coronary sinus (CS)...
August 8, 2017: Oncotarget
https://www.readbyqxmd.com/read/28876373/minimally-invasive-epicardial-pacemaker-implantation-in-neonates-with-congenital-heart-block
#3
Roberto Costa, Katia Regina da Silva, Martino Martinelli Filho, Roger Carrillo
BACKGROUND: Few studies have characterized the surgical outcomes following epicardial pacemaker implantation in neonates with congenital complete atrioventricular block (CCAVB). OBJECTIVE: This study sought to assess the long-term outcomes of a minimally invasive epicardial approach using a subxiphoid access for pacemaker implantation in neonates. METHODS: Between July 2002 and February 2015, 16 consecutive neonates underwent epicardial pacemaker implantation due to CCAVB...
September 4, 2017: Arquivos Brasileiros de Cardiologia
https://www.readbyqxmd.com/read/28875729/role-of-cardiac-pacing-in-congenital-complete-heart-block
#4
Stephanie F Chandler, Francis Fynn-Thompson, Douglas Y Mah
Congenital complete heart block affects 1/15,000 live-born infants, predominantly due to atrioventricular nodal injury from maternal antibodies of mothers with systemic lupus erythermatosus or Sjogren's syndrome. The majority of these children will need a pacemaker implanted prior to becoming young adults. This article will review the various patient and technical factors that influence the type of pacemaker implanted, and the current literature on optimal pacing practices. Areas covered: A literature search was performed using PubMed, Embase and Web of Science...
September 6, 2017: Expert Review of Cardiovascular Therapy
https://www.readbyqxmd.com/read/28866284/intracardiac-electrocardiographic-assessment-of-precordial-taser-shocks-in-human-subjects-a-pilot-study
#5
Jason P Stopyra, James E Winslow, David M Fitzgerald, William P Bozeman
BACKGROUND: Case reports of cardiac arrest in temporal proximity to Conducted Electrical Weapon(CEW) exposure raise legitimate concerns about this as a rare possibility. In this pilot study, we respectfully navigate the oversight and regulatory hurdles and demonstrate the intra-shock electrocardiographic effects of an intentional transcardiac CEW discharge using subcutaneous probes placed directly across the precordium of patients with a previously implanted intracardiac EKG sensing lead...
August 24, 2017: Journal of Forensic and Legal Medicine
https://www.readbyqxmd.com/read/28846144/impact-of-icd-lead-on-the-system-durability-predictors-of-long-term-survival-following-icd-system-extraction
#6
Wojciech Jacheć, Andrzej Tomasik, Anna Polewczyk, Andrzej Kutarski
BACKGROUND: ICD and CRT-D systems are considered as having higher risk of complication and shorter durability but reasons of this multifactorial phenomenon remain unclear. We aimed to analyze this problem in population of patients with ICD leads referred for lead extraction (TLE). METHODS: We have compared TLE indications, procedural results and defined the long-term outcomes of TLE in patients with ICD / CRTD devices (n = 482, ICD(+)) with lead extractions in patients with standard pacemakers (n = 1402, ICD(-))...
August 28, 2017: Pacing and Clinical Electrophysiology: PACE
https://www.readbyqxmd.com/read/28844089/reasons-for-and-predictors-of-acute-hospitalization-versus-elective-outpatient-implantable-cardioverter-defibrillator-implantation-and-subsequent-differential-clinical-outcomes
#7
Marin Nishimura, Shiv Sab, Ulrika Birgersdotter-Green, David Krummen, Amir Schricker, Farshad Raissi, Kurt S Hoffmayer, Gregory K Feld, Jonathan C Hsu
BACKGROUND: Implantable cardioverter-defibrillator (ICD) implantation is often an elective outpatient procedure, but previous studies have shown that approximately 30% are performed during acute hospitalizations. PURPOSE: This study aims to identify predictors of acute hospitalization versus elective outpatient ICD implantation and evaluate differential clinical outcomes. METHODS: We studied 327 first-time ICD recipients between 2011 and 2015...
August 26, 2017: Journal of Interventional Cardiac Electrophysiology: An International Journal of Arrhythmias and Pacing
https://www.readbyqxmd.com/read/28835138/a-comparison-of-the-different-features-of-quadripolar-left-ventricular-pacing-leads-to-deliver-cardiac-resynchronization-therapy
#8
Antonios P Antoniadis, Jonathan M Behar, Ben Sieniewicz, Justin Gould, Steven Niederer, Christopher A Rinaldi
Cardiac Resynchronization therapy (CRT) improves the quality of life and reduces morbidity and mortality of certain patients with heart failure. However, not all patients respond positively after CRT and about one third of cases do not experience benefit. Suboptimal biventricular pacing may account for this and quadripolar left ventricular (LV) leads have emerged in the last years to address issues relating to inadequate delivery of CRT. Areas covered: This review article concisely summarizes the main technical characteristics of the quadripolar LV leads either currently available in the market today or under final stages of development...
September 2017: Expert Review of Medical Devices
https://www.readbyqxmd.com/read/28830263/a-comparison-of-the-different-features-of-quadripolar-left-ventricular-pacing-leads-to-deliver-cardiac-resynchronisation-therapy
#9
Antonios P Antoniadis, Jonathan M Behar, Ben Sieniewicz, Justin Gould, Steven Niederer, Christopher A Rinaldi
Introduction Cardiac Resynchronization therapy (CRT) improves the quality of life and reduces morbidity and mortality of certain patients with heart failure. However, not all patients respond positively after CRT and about one third of cases do not experience benefit. Suboptimal biventricular pacing may account for this and quadripolar left ventricular (LV) leads have emerged in the last years to address issues relating to inadequate delivery of CRT. Areas Covered This review article concisely summarizes the main technical characteristics of the quadripolar LV leads either currently available in the market today or under final stages of development...
August 23, 2017: Expert Review of Medical Devices
https://www.readbyqxmd.com/read/28826669/leadless-pacemaker-performance-and-complications
#10
REVIEW
Justin Z Lee, Siva K Mulpuru, Win K Shen
Traditional transvenous cardiac pacemakers have pitfalls due to lead- and device pocket-related complications. Leadless pacemakers were developed and introduced into clinical practice to overcome the shortcomings of traditional transvenous pacemakers. In this review, we provide a description of leadless pacemaker devices, and summarize existing data on device performance. We also describe associated complications during implantation procedure as well as during the follow-up period. Although current generation devices are limited to single-chamber pacing, future generation devices are expected to progress to multi-chamber multi-component pacing systems, and eventually to battery-less devices...
August 9, 2017: Trends in Cardiovascular Medicine
https://www.readbyqxmd.com/read/28820303/rapid-ventricular-pacing-for-clip-reconstruction-of-complex-unruptured-intracranial-aneurysms-results-of-an-interdisciplinary-prospective-trial
#11
Juergen Konczalla, Johannes Platz, Stephan Fichtlscherer, Haitham Mutlak, Ulrich Strouhal, Volker Seifert
OBJECTIVE To date, treatment of complex unruptured intracranial aneurysms (UIAs) remains challenging. Therefore, advanced techniques are required to achieve an optimal result in treating these patients safely. In this study, the safety and efficacy of rapid ventricular pacing (RVP) to facilitate microsurgical clip reconstruction was investigated prospectively in a joined neurosurgery, anesthesiology, and cardiology study. METHODS Patients with complex UIAs were prospectively enrolled. Both the safety and efficacy of RVP were evaluated by recording cardiovascular events and outcomes of patients as well as the amount of aneurysm occlusion after the surgical clip reconstruction procedure...
August 18, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28818562/conduction-recovery-and-avoidance-of-permanent-pacing-after-transcatheter-aortic-valve-implantation
#12
Corinne Marzahn, Cornel Koban, Martin Seifert, Akihiro Isotani, Michael Neuß, Frank Hölschermann, Christian Butter
BACKGROUND: Transcatheter aortic valve implantation (TAVI) is an established treatment option for patients with severe aortic stenosis and high surgical risk. Currently, various prosthesis types are available. Atrioventricular block (AVB) requiring pacemaker (PM) implantation is a typical complication after TAVI. This study investigated the recovery of AV node conduction and mid-term outcome of patients with or without PM implantation after TAVI according to prosthesis type. METHODS: From July 2008 to May 2015, 856 transcatheter heart valves were implanted at our center (age: 80...
August 14, 2017: Journal of Cardiology
https://www.readbyqxmd.com/read/28811391/cardiac-implantable-electronic-device-lead-extraction-using-the-lead-locking-device-system-keeping-it-simple-safe-and-inexpensive-with-mechanical-tools-and-local-anesthesia
#13
Antonis S Manolis, Georgios Georgiopoulos, Sofia Metaxa, Spyridon Koulouris, Dimitris Tsiachris
OBJECTIVE: We have previously reported our successful approach for percutaneous cardiac implantable electronic device (CIED) lead extraction using inexpensive tools, which we have continued over the years. Herein we report the results of the systematic use of a unique stylet, the lead-locking device (LLD), which securely locks the entire lead lumen, aided with non-powered telescoping sheaths in 54 patients to extract 98 CIED leads. METHODS: This prospective observational clinical study included 38 men and 16 women aged 68...
August 11, 2017: Anatolian Journal of Cardiology
https://www.readbyqxmd.com/read/28807663/incidence-and-predictors-of-late-atrioventricular-conduction-recovery-among-patients-requiring-permanent-pacemaker-for-complete-heart-block-after-cardiac-surgery
#14
Erich L Kiehl, Tarek Makki, Ralph M Matar, Douglas R Johnston, John W Rickard, Khaldoun G Tarakji, Mohamed Kanj, Oussama M Wazni, Walid I Saliba, Niraj Varma, Bruce L Wilkoff, Daniel J Cantillon
BACKGROUND: New-onset complete heart block (CHB) commonly complicates cardiac surgery, for which some patients require a permanent pacemaker (PPM). Little is known regarding late atrioventricular (AV) conduction recovery. OBJECTIVE: The purpose of this study was to characterize the incidence and predictors of late AV conduction recovery among patients requiring PPM after cardiac surgery. METHODS: Consecutive patients receiving PPM for CHB after cardiac surgery at a high-volume U...
August 12, 2017: Heart Rhythm: the Official Journal of the Heart Rhythm Society
https://www.readbyqxmd.com/read/28805518/the-pace-trial-missteps-on-pacing-and-patient-selection
#15
Leonard A Jason
As others have pointed out a variety of complicating factors with the PACE trial (e.g. changing outcome criteria), I will limit my remarks to issues that involve the composition of adaptive pacing therapy and issues involving patient selection. My key points are that the PACE trial investigators were not successful in designing and implementing a valid pacing intervention and patient selection ambiguity further compromised the study's outcomes.
August 2017: Journal of Health Psychology
https://www.readbyqxmd.com/read/28797351/implant-and-midterm-outcomes-of-the-subcutaneous-implantable-cardioverter-defibrillator-registry-the-effortless-study
#16
MULTICENTER STUDY
Lucas Boersma, Craig Barr, Reinoud Knops, Dominic Theuns, Lars Eckardt, Petr Neuzil, Marcoen Scholten, Margaret Hood, Juergen Kuschyk, Paul Jones, Elizabeth Duffy, Michael Husby, Kenneth Stein, Pier D Lambiase
BACKGROUND: The subcutaneous implantable cardioverter-defibrillator (S-ICD) was developed to defibrillate ventricular arrhythmias, avoiding drawbacks of transvenous leads. The global EFFORTLESS S-ICD (Evaluation oF FactORs ImpacTing CLinical Outcome and Cost EffectiveneSS of the S-ICD) registry is collecting outcomes in 985 patients during a 5-year follow-up. OBJECTIVES: The primary goal of the EFFORTLESS registry is to determine the safety of the S-ICD by evaluating complications and inappropriate shock rate...
August 15, 2017: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/28781723/developing-a-comprehensive-cardio-oncology-program-at-a-cancer-institute-the-moffitt-cancer-center-experience
#17
REVIEW
Michael G Fradley, Allen C Brown, Bernadette Shields, Federico Viganego, Rongras Damrongwatanasuk, Aarti A Patel, Gregory Hartlage, Natalee Roper, Julie Jaunese, Larry Roy, Roohi Ismail-Khan
Cardio-oncology is a multidisciplinary field focusing on the management and prevention of cardiovascular complications in cancer patients and survivors. While the initial focus of this specialty was on heart failure associated with anthracycline use, novel anticancer agents are increasingly utilized and are associated with many other cardiotoxicities including hypertension, arrhythmias and vascular disease. Since its inception, the field has developed at a rapid pace with the establishment of programs at many major academic institutions and community practices...
June 14, 2017: Oncology Reviews
https://www.readbyqxmd.com/read/28770398/trends-in-service-time-of-pacemakers-in-the-netherlands-a%C3%A2-long-term-nationwide-follow-up-study
#18
L M de Vries, M J G Leening, W A Dijk, C A M Hooijschuur, B H C Stricker, N M van Hemel
AIMS: After decades of experience and strongly improved technology, service time of pacemaker generators is expected to increase. To test this hypothesis, we conducted a retrospective review of a large cohort of patients with a pacemaker. METHODS: We reviewed data collected between 1984 and 2006 in the first national Dutch pacemaker registry. This registry covered 96% of all generators implanted. We analysed the time of and reason for explantation of pacemaker generators...
August 2, 2017: Netherlands Heart Journal
https://www.readbyqxmd.com/read/28765767/simple-and-effective-solution-for-diaphragm-pacing-by-that-uses-the-transvenous-femoral-approach-in-a-patient-treated-with-cardiac-resynchronization-defibrillator-therapy-the-wrapping-method
#19
Ahmet Taha Alper, Mert İlker Hayıroğlu, Ahmet İlker Tekkeşin, Ceyhan Türkkan
The use of cardiac resynchronization therapy (CRT) has become widespread in patients with heart failure who meet the criteria for implantation. Coronary sinus lead positioning is important to provide the intended biventricular stimulation. Diaphragm pacing is a lead-related complication which occurs secondary to phrenic nerve stimulation. We present the case of a 58-year-old male patient who had diaphragm pacing after CRT with defibrillator implantation. The complication was resolved by using the transvenous femoral approach with the wrapping method...
August 2017: Journal of Arrhythmia
https://www.readbyqxmd.com/read/28765766/asystole-in-focal-epilepsy-complicating-a-traumatic-subdural-hematoma
#20
Yuk-Ming Lau, Chi-Hung Lo, Kathy Lai-Fun Lee, Chu-Pak Lau
Ictal asystole due to sinus node suppression is a cause of sudden unexplained death in epilepsy. Here, for the first time, we describe a complete atrioventricular nodal block in a patient with non-compressive traumatic subdural hematoma, who developed ictal asystole as a delayed presentation. A leadless VVI pacemaker (ventricular paced, ventricular sensed, and pacing inhibited in response to a sensed beat) was implanted as a preventive measure against seizure-related heart block.
August 2017: Journal of Arrhythmia
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