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https://www.readbyqxmd.com/read/28212738/delayed-efficacy-of-radiofrequency-catheter-ablation-on-ventricular-arrhythmias-originating-from-the-left-ventricular-anterobasal-wall
#1
Ligang Ding, Bingbo Hou, Lingmin Wu, Yu Qiao, Wei Sun, Jinrui Guo, Lihui Zheng, Gang Chen, Linfeng Zhang, Shu Zhang, Yan Yao
BACKGROUND: Ventricular arrhythmias (VAs) originating from the left ventricular anterobasal wall (LV-ABW) may represent a therapeutic challenge. OBJECTIVE: The purpose of this study was to investigate the delayed efficacy of radiofrequency catheter (RFCA) ablation without an epicardial approach on VAs originating from the LV-ABW. METHODS: Eighty patients (mean age 46.9 ± 14.9 years; 47 male) with VAs originating from the LV-ABW were enrolled...
March 2017: Heart Rhythm: the Official Journal of the Heart Rhythm Society
https://www.readbyqxmd.com/read/28204915/-acute-chest-pain-and-new-ecg-changes-in-pacemaker-patients-a%C3%A2-clinical-challenge
#2
Matthias Hoyme, Ralf Surber, P Christian Schulze, Dirk Prochnau
We report the case of a 82-year-old woman who was admitted to our institution with acute chest pain, nausea, and vomiting. Because of atrial fibrillation with intermittent bradycardia, a single-chamber pacemaker was implanted 4 years ago. The initial 12-lead ECG showed atrial fibrillation with a heart rate of 70 bpm, narrow QRS, and T‑wave inversions in the inferolateral leads. Coronary artery disease was excluded by immediate cardiac catheterization. A subsequent ECG three hours later showed a ventricular paced rhythm...
February 15, 2017: Herzschrittmachertherapie & Elektrophysiologie
https://www.readbyqxmd.com/read/28198133/left-ventricular-assist-device-therapy-in-advanced-heart-failure-patient-selection-and-outcomes
#3
REVIEW
Finn Gustafsson, Joseph G Rogers
Despite improvements in pharmacological therapy and pacing, prognosis in advanced heart failure (HF) remains poor, with a 1-year mortality of 25-50%. While heart transplantation provides excellent survival and quality of life for eligible patients, only a few can be offered this treatment due to shortage of donor organs. Implantable left ventricular assist device (LVAD) technology has improved considerably, and the currently used continuous flow devices may last >10 years in a patient. LVADs are being used increasingly both as bridge-to-transplantation and as destination therapy...
February 15, 2017: European Journal of Heart Failure
https://www.readbyqxmd.com/read/28192207/long-term-performance-of-a-transcatheter-pacing-system-12-month-results-from-the-micra-transcatheter-pacing-study
#4
Gabor Z Duray, Philippe Ritter, Mikhael El-Chami, Calambur Narasimhan, Razali Omar, Jose M Tolosana, Shu Zhang, Kyoko Soejima, Clemens Steinwender, Leonardo Rapallini, Aida Cicic, Dedra H Fagan, Shufeng Liu, Dwight Reynolds
BACKGROUND: Early performance of the Micra transcatheter pacemaker from the global clinical trial reported a 99.2% implant success rate, low and stable pacing capture thresholds, and a low (4.0%) rate of major complications up to 6 months. OBJECTIVE: The pre-specified long-term safety objective of Micra at 12 months and electrical performance through 24 months are reported. METHODS: The Micra Transcatheter Pacing Study was a prospective single-arm study designed to assess the safety and efficacy of the Micra VVIR leadless/intracardiac pacemaker...
February 9, 2017: Heart Rhythm: the Official Journal of the Heart Rhythm Society
https://www.readbyqxmd.com/read/28163146/the-subcutaneous-icd-as-an-alternative-to-the-conventional-icd-system-initial-experience-in-greece-and-review-of-the-literature
#5
REVIEW
Skevos Sideris, Stefanos Archontakis, Konstantinos A Gatzoulis, Aristotelis Anastasakis, Ilias Sotiropoulos, Petros Arsenos, Alexandros Kasiakogias, Dimitrios Terentes, Konstantinos Trachanas, Eleftherios Paschalidis, Dimitrios Tousoulis, Ioannis Kallikazaros
The introduction of the implantable cardioverter defibrillator (ICD) in clinical practice has revolutionized our therapeutic approach for sudden cardiac death (SCD) both in the context of primary and secondary prevention, since it has proven to be superior to medical therapy in treating potentially life-threatening ventricular arrhythmias, resulting in reduced mortality rates. However, conventional ICDs' implantation carries a not negligible risk of periprocedural and long-term complications associated with the transvenous ICD leads...
February 2, 2017: Hellenic Journal of Cardiology: HJC, Hellēnikē Kardiologikē Epitheōrēsē
https://www.readbyqxmd.com/read/28163031/same-session-bilateral-ureteroscopy-for-multiple-stones-results-from-the-croes-urs-global-study
#6
K T Pace, T Kroczak, N J Wijnstok, G M Kamphuis, T Esen, C Toutziaris, B Silva, J J de la Rosette
INTRODUCTION: and Objective: This study presents a comparison of the international experience with ipsilateral ureteroscopy (I-URS) and bilateral ureteroscopy (B-URS) for multiple, bilateral ureteric and renal stones vs. single stone treatment. Patient and treatment characteristics and outcomes were compared. METHODS: The CROES Ureteroscopy Global Study includes 114 centers in 32 countries. Patients undergoing B-URS, I-URS for multiple stones, and URS for a single stone were examined from January, 2010 to October, 2012...
February 2, 2017: Journal of Urology
https://www.readbyqxmd.com/read/28155995/sinus-node-dysfunction-and-atrial-fibrillation-a-reversible-phenomenon
#7
REVIEW
Larry R Jackson Ii, Bharath Rathakrishnan, Kristen Campbell, Kevin L Thomas, Jonathan P Piccini, Tristram Bahnson, Jonathan A Stiber, James P Daubert
BACKGROUND: Symptomatic sinus node dysfunction (SND) consists of a variety of manifestations including tachycardia-bradycardia syndrome. Atrial fibrillation (AF) is commonly associated with SND, which complicates the management of both conditions. This paper reviews the epidemiology, pathophysiology, and clinical trial data investigating therapeutic approaches for treatment of patients with both SND and AF. METHODS: The authors reviewed articles published in English describing the epidemiology, pathophysiology, and therapeutic approaches for patients with SND and AF...
February 3, 2017: Pacing and Clinical Electrophysiology: PACE
https://www.readbyqxmd.com/read/28149550/management-of-acute-postoperative-pain-with-continuous-intercostal-nerve-block-after-single-port-video-assisted-thoracoscopic-anatomic-resection
#8
Ming-Ju Hsieh, Kuo-Cheng Wang, Hung-Pin Liu, Diego Gonzalez-Rivas, Ching-Yang Wu, Yun-Hen Liu, Yi-Cheng Wu, Yin-Kai Chao, Ching-Feng Wu
BACKGROUND: Effective postoperative pain control for thoracic surgery is very important, not only because it reduces pulmonary complications but also because it accelerates the pace of recovery. Moreover, it increases patients' satisfaction with the surgery. In this study, we present a simple approach involving the safe placement of intercostal catheter (ICC) after single port video-assisted thoracoscopic surgery (VATS) anatomic resection and we evaluate postoperative analgesic function with and without it...
December 2016: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28143919/growth-in-prepubertal-children-with-cystic-fibrosis-treated-with-ivacaftor
#9
Michael S Stalvey, Jesse Pace, Minoo Niknian, Mark N Higgins, Valerie Tarn, Joy Davis, Sonya L Heltshe, Steven M Rowe
BACKGROUND AND OBJECTIVES: Cystic fibrosis (CF) is known for its impact on the lung and pancreas of individuals; however, impaired growth is also a common complication. We hypothesized that targeting the biological defect in the CF transmembrane conductance regulator (CFTR) protein may affect growth outcomes. METHODS: In this post hoc analysis, we assessed linear growth and weight in 83 children (aged 6-11 years) enrolled in 2 clinical trials, the longitudinal-observation GOAL study and the placebo-controlled ENVISION study, to evaluate the effects of ivacaftor, a CFTR potentiator...
February 2017: Pediatrics
https://www.readbyqxmd.com/read/28122680/the-society-of-thoracic-surgeons-expert-consensus-for-the-resuscitation-of-patients-who-arrest-after-cardiac-surgery
#10
(no author information available yet)
The Society of Thoracic Surgeons Task Force on Resuscitation After Cardiac Surgery provides this professional society perspective on resuscitation in patients who arrest after cardiac surgery. This document was created using a multimodal methodology for evidence generation and includes information from existing guidelines, from the International Liaison Committee on Resuscitation, from our own structured literature reviews on issues particular to cardiac surgery, and from an international survey on resuscitation hosted by CTSNet...
January 19, 2017: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/28101990/a-single-centre-study-of-1779-heart-transplant-patients-factors-affecting-pacemaker-implantation
#11
P Wellmann, F E M Herrmann, C Hagl, G Juchem
BACKGROUND: After around 10 % of heart transplants patients require pacemaker implantation. The bradyarrhythmias causing pacemaker requirement include sinus node dysfunction (SND) and atrioventricular block (AVB). This study sought to define clinical predictors for pacemaker requirement as well as identify differences in the patient groups developing SND and AVB. METHODS: Our operative data base was used to collect retrospective recipient, donor and operative data of all patients receiving orthotopic heart transplants between 1981 and 2016...
January 19, 2017: Pacing and Clinical Electrophysiology: PACE
https://www.readbyqxmd.com/read/28088306/ventricular-fibrillation-occurring-after-atrioventricular-node-ablation-despite-minimal-difference-between-pre-and-post-ablation-heart-rates
#12
F Squara, G Theodore, D Scarlatti, E Ferrari
We report the case of an 82-year-old man presenting with ventricular fibrillation (VF) occurring acutely after atrioventricular node (AVN) ablation. This patient had severe valvular cardiomyopathy, chronic atrial fibrillation (AF), and underwent prior to the AVN ablation a biventricular implantable cardiac defibrillator positioning. The VF was successfully cardioverted with one external electrical shock. What makes this presentation original is that the pre-ablation spontaneous heart rate in AF was slow (84 bpm), and that VF occurred after ablation despite a minimal heart rate drop of only 14 bpm...
January 11, 2017: Annales de Cardiologie et D'angéiologie
https://www.readbyqxmd.com/read/28078465/non-inferiority-of-minimally-invasive-oesophagectomy-an-8-year-retrospective-case-series
#13
L Findlay, C Yao, D H Bennett, R Byrom, N Davies
BACKGROUND: The trend towards laparoscopic surgery seen in other specialties has not occurred at the same pace in oesophagectomy. This stems from concerns regarding compromised oncological clearance, and complications associated with gastric tube necrosis and anastomotic failure. We present our experience of minimally invasive oesophagectomy (MIO) compared to open and hybrid surgery. We aim to ascertain non-inferiority of MIO by evaluating impact on survival, oncological clearance by resection margin and lymph node harvest and post-operative complications...
January 11, 2017: Surgical Endoscopy
https://www.readbyqxmd.com/read/28073886/endocardial-left-ventricular-pacing-for-cardiac-resynchronization-systematic-review-and-meta-analysis
#14
James Hugo Phillimore Gamble, Neil Herring, Matthew Ginks, Kim Rajappan, Yaver Bashir, Timothy Rider Betts
AIMS: Endocardial left ventricular (LV) pacing for Cardiac Resynchronization Therapy has been proposed as an alternative to conventional LV lead placement via the coronary sinus. In order to assess the relative benefits and risks of this technique, we have performed a meta-analysis of published reports. METHODS AND RESULTS: A systemic search was performed using online databases to identify studies of lead-based endocardial pacing. A random-effects meta-analysis was performed, to assess the rate of complications and clinical response (defined as ≥1 decrease in NYHA class)...
January 10, 2017: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/28040461/the-micra-leadless-transcatheter-pacemaker-implantation-and-mid-term-follow-up-results-in-a-single-center
#15
José Luis Martínez-Sande, Javier García-Seara, Moisés Rodríguez-Mañero, Xesús Alberte Fernández-López, Laila González-Melchor, Alfredo Redondo-Diéguez, Rocío González-Ferreiro, José Ramón González-Juanatey
INTRODUCTION AND OBJECTIVES: Currently, studies on the leadless pacemaker (Micra) have mostly been limited to clinical trials with less than 6 months' follow-up and they often fail to reflect real population outcomes. We sought to evaluate electrical parameters at implantation and chronologically during follow-up, as well as the safety of this new technique. METHODS: This prospective, observational study included 30 consecutive patients, all ≥ 65 years, with an indication for single-chamber pacemaker implantation...
December 28, 2016: Revista Española de Cardiología
https://www.readbyqxmd.com/read/28026917/voltage-combined-with-pace-mapping-is-simple-and-effective-for-ablation-of-noninducible-premature-ventricular-contractions-originating-from-the-right-ventricular-outflow-tract
#16
Zefeng Wang, Heping Zhang, Hui Peng, Xuhua Shen, Zhijun Sun, Can Zhao, Ruiqing Dong, Huikuan Gao, Yongquan Wu
BACKGROUND: Premature ventricular contractions (PVCs) from the right ventricular outflow tract (RVOT) can resist conventional mapping strategies. Studies regarding optimal mapping and ablation methods for patients with noninducible RVOT-PVCs are limited. We retrospectively evaluated the efficacy and safety of a novel mapping strategy for these cases: voltage mapping combined with pace mapping. HYPOTHESIS: METHODS: We retrospectively included symptomatic patients (n = 148; 76 males; age, 44...
December 2016: Clinical Cardiology
https://www.readbyqxmd.com/read/28018729/volumetric-optical-mapping-in-early-embryonic-hearts-using-light-sheet-microscopy
#17
Pei Ma, Dennis C Chan, Shi Gu, Michiko Watanabe, Michael W Jenkins, Andrew M Rollins
Optical mapping (OM) of electrical activity using voltage-sensitive fluorescent dyes is a powerful tool for the investigation of embryonic cardiac electrophysiology. However, because conventional OM integrates the signal in depth and projects it to a two-dimensional plane, information acquired is incomplete and dependent upon the orientation of the sample. This complicates interpretation of data, especially when comparing one heart to another. To overcome this limitation, we present volumetric OM using light-sheet microscopy, which enables high-speed capture of optically sectioned slices...
December 1, 2016: Biomedical Optics Express
https://www.readbyqxmd.com/read/28008765/a-comparative-analysis-of-the-effectiveness-of-active-versus-passive-atrial-lead-fixation-in-chinese-patients-with-cardiac-implantable-electrical-devices-a-long-term-retrospective-observational-single-center-study
#18
Yinglu Hao, Yanping Li, Derong Liao, Ling Yang, Fangyan Liu
BACKGROUND: Data comparing active atrial lead fixation with passive atrial lead fixation in Chinese patients with cardiovascular implantable electronic devices (CIEDs) for atrial pacing is limited. Our study evaluated the effectiveness of active fixation versus passive fixation of atrial leads by observing the lead performance parameters. METHODS: This retrospective, long-term, single-center study included a cohort of Chinese patients who underwent CIED implantation at the Department of Cardiology of People's Hospital of Yuxi City, China, from 1 March 2010 to 1 March 2015...
January 17, 2017: Current Medical Research and Opinion
https://www.readbyqxmd.com/read/28004408/ten-year-clinical-experience-with-the-lumenless-catheter-delivered-4-1-fr-diameter-pacing-lead-in-patients-with-and-without-congenital-heart
#19
Neha Bansal, Sharmeen Samuel, Kathleen Zelin, Peter P Karpawich
BACKGROUND: Patients with congenital heart defects (CHD) often present more challenges to pacing therapy due to anatomy than those without CHD. The lumenless, 4.1Fr diameter M3830 pacing lead (Medtronic, Inc., Minneapolis, MN, USA), approved for use in 2005, has, to date, reported to have excellent short-term (<6 years) lead performance. Unfortunately, very long-term performance is unknown, especially among CHD patients and with implants at alternate pacing (AP) sites. This study reports a 10-year clinical experience with the M3830 lead...
January 2017: Pacing and Clinical Electrophysiology: PACE
https://www.readbyqxmd.com/read/27996100/complications-with-the-micra-tps-pacemaker-system-persistent-complete-heart-block-and-late-capture-failure
#20
Niels Holm, Andreas Müller, Rainer Zbinden
A Medtronic MICRA transcatheter pacing system (Medtronic, Minneapolis, MN, USA) was implanted in an 86-year-old patient with sick sinus syndrome and left bundle branch block after transfemoral aortic valve implantation. During implantation she developed a persistent complete heart block due to manipulation with the large-bore delivery catheter. Two weeks later, acute pacemaker dysfunction occurred due to massive increase of pacing threshold and impedance without obvious pacemaker dislocation or myocardial perforation...
December 20, 2016: Pacing and Clinical Electrophysiology: PACE
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