Effect of a pocket compression device on hematomas, skin reactions, and comfort in patients receiving a cardiovascular implantable electronic device: a randomized controlled trial
AbstractAim/objectiveAim to evaluate the safety and effectiveness of a pocket compression device in patients undergoing cardiovascular implantable electronic device (CIED) implantation.Material and methodsThis randomized controlled trial included 54 patients in the control group (elastic adhesive tape) and 54 patients in the experimental group (pocket compression device). A sandbag was positioned over the pocket after CIED implantation, using elastic adhesive tape in the control group and a novel pocket compression device in the experimental group. The primary outcome was the incidence of pocket hematomas, and the secondar...
Source: Journal of Interventional Cardiac Electrophysiology - March 6, 2021 Category: Cardiology Source Type: research

Challenges in catheter ablation of deep myocardial substrate for ventricular tachycardia
(Source: Journal of Interventional Cardiac Electrophysiology)
Source: Journal of Interventional Cardiac Electrophysiology - March 1, 2021 Category: Cardiology Source Type: research

Initial experience of the High-Density Grid catheter in patients undergoing catheter ablation for atrial fibrillation
AbstractPurposeA significant proportion of patients undergoing catheter ablation for atrial fibrillation (AF) experience arrhythmia recurrence. This is mostly due to pulmonary vein reconnection (PVR). Whether mapping using High-Density Wave (HDW) technology is superior to standard bipolar (SB) configuration at detecting PVR is unknown. We aimed to evaluate the efficacy of HDW technology compared to SB mapping in identifying PVR.MethodsHigh-Density (HD) multipolar Grid catheters were used to create left atrial geometries and voltage maps in 36 patients undergoing catheter ablation for AF (either due to recurrence of an atri...
Source: Journal of Interventional Cardiac Electrophysiology - February 27, 2021 Category: Cardiology Source Type: research

Antemortem characterization of sudden deaths as first-manifestation in Italy
ConclusionsMost SD were due to cardiac causes and occurred in previously asymptomatic patients. SD events mainly occurred during strenuous activity. In a minority of cases, no cause was identified. The web-based selection criteria, and incomplete data retrieval, need to be carefully taken into account for data interpretation and reproducibility. (Source: Journal of Interventional Cardiac Electrophysiology)
Source: Journal of Interventional Cardiac Electrophysiology - February 27, 2021 Category: Cardiology Source Type: research

Successful retrieval of a broken PentaRay catheter spine in a patient with mechanic mitral valve prosthesis
(Source: Journal of Interventional Cardiac Electrophysiology)
Source: Journal of Interventional Cardiac Electrophysiology - February 27, 2021 Category: Cardiology Source Type: research

Amiodarone is associated with increased short-term mortality in elderly atrial fibrillation patients with preserved ejection fraction
ConclusionAmiodarone use in elderly patients with preserved ejection fraction is associated with increased in-hospital and 100-day all-cause mortality after hospitalization for AF. (Source: Journal of Interventional Cardiac Electrophysiology)
Source: Journal of Interventional Cardiac Electrophysiology - February 26, 2021 Category: Cardiology Source Type: research

Safety and feasibility of same-day discharge in patients receiving pulmonary vein isolation —systematic review and a meta-analysis
ConclusionsThe introduction of same-day discharge strategies might be safe and feasible in selected patients given the reported complication and re-admission rates in the current practice. Further prospective studies are needed to confirm these findings. (Source: Journal of Interventional Cardiac Electrophysiology)
Source: Journal of Interventional Cardiac Electrophysiology - February 25, 2021 Category: Cardiology Source Type: research

Single procedural outcomes in the setting of percutaneous ablation for persistent atrial fibrillation: a propensity-matched score comparison between different strategies
ConclusionsIn this propensity-matched comparison of strategies for persAF, LAPW ablation in addition to PVI with CB-A seems to improve 1-year outcome in comparison to PVI + linear ablation using RFCA and to PVI alone using RFCA or CB-A. Randomized comparisons are eagerly awaited. (Source: Journal of Interventional Cardiac Electrophysiology)
Source: Journal of Interventional Cardiac Electrophysiology - February 24, 2021 Category: Cardiology Source Type: research

Active esophageal cooling for the prevention of thermal injury during atrial fibrillation ablation: a randomized controlled pilot study
ConclusionsActive esophageal cooling may reduce the occurrence of severe EDELs. A larger randomized study is warranted to further evaluate the benefit of this strategy. (Source: Journal of Interventional Cardiac Electrophysiology)
Source: Journal of Interventional Cardiac Electrophysiology - February 23, 2021 Category: Cardiology Source Type: research

Comparison of electrical characteristics and pacing parameters of pacing different parts of the His-Purkinje system in bradycardia patients
AbstractPurposeWe aimed to evaluate the electrical characteristics and pacing parameters at different locations of His-Purkinje system pacing.MethodsPatients who successfully underwent His-Purkinje system pacing with bradycardia indications from April 2018 to August 2019 were retrospectively analyzed according to the lead location confirmed by visualization of the tricuspid value annulus, postoperative echocardiography, and pacing electrocardiogram. The electrical characteristics and pacing parameters were compared among these patients.ResultsA total of 135 patients were retrospectively analyzed. Among them, 30 patients re...
Source: Journal of Interventional Cardiac Electrophysiology - February 22, 2021 Category: Cardiology Source Type: research

Clinical implications of local impedance measurement using the IntellaNav MiFi OI ablation catheter: an ex vivo study
This study aimed to investigate this point using IntellaNav MiFi OITM catheter.MethodsLI and generator impedance drops ( ΔLI and ΔGI) were evaluated in excised porcine hearts (N = 16) during RF applications at a range of powers (30 and 50 W), contact forces (5 –40 g), and durations (10–180 s) using perpendicular or parallel catheter orientation. Additionally, temporal LI changes were assessed.ResultsOf the 240 lesions without steam pops (92.3%), ΔLI showed better correlations with lesion surface area (ρ =  0.55 vs 0.36, P = 0.004), maximum depth (ρ = 0.53 vs 0.14,  P
Source: Journal of Interventional Cardiac Electrophysiology - February 22, 2021 Category: Cardiology Source Type: research

Glycogen synthase kinase 3 beta inhibitor SB216763 improves Kir2.1 expression after myocardia infraction in rats
ConclusionsGSK-3 β inhibition upregulates Kir2.1 expression in a rat model of MI. (Source: Journal of Interventional Cardiac Electrophysiology)
Source: Journal of Interventional Cardiac Electrophysiology - February 20, 2021 Category: Cardiology Source Type: research

Benefits of cardiac pacing in ICD recipients with hypertrophic cardiomyopathy
ConclusionsIn our HCM series of patients with ICD, 46% of individuals benefitted from cardiac pacing. MVT were documented in nearly 80% of the patients with ventricular arrhythmias and antitachycardia pacing successfully treated them in 77% of cases. (Source: Journal of Interventional Cardiac Electrophysiology)
Source: Journal of Interventional Cardiac Electrophysiology - February 16, 2021 Category: Cardiology Source Type: research

Dominant vector changes during early wavebreak/spiral wave (Wiggers stage 1) in ventricular fibrillation: insights from the analysis of 100 electrophysiology studies
AbstractPurposeTo describe electrocardiographic vector patterns during early VF transition (Wiggers stage 1).MethodsIn 100 electrophysiology studies with VF induction, the first 3 beats of VF were analyzed in lead I for left/right axis (LA/RA), V1 for left/right bundle (LB/RB), and aVF for superior/inferior axis (SA/IA). Correlation with demographic/clinical factors was performed using regression analyses and mixed effect modeling.ResultsVF initiated more likely with LA than RA (P
Source: Journal of Interventional Cardiac Electrophysiology - February 16, 2021 Category: Cardiology Source Type: research

Clinical follow-up of left atrial appendage occlusion in patients with atrial fibrillation ineligible of oral anticoagulation treatment —a systematic review and meta-analysis
ConclusionsOur results suggest that LAAO is effective as stroke prevention for patients with AF, increased risk of stroke, and contraindication to oral anticoagulation. (Source: Journal of Interventional Cardiac Electrophysiology)
Source: Journal of Interventional Cardiac Electrophysiology - February 13, 2021 Category: Cardiology Source Type: research

Outcomes in patients implanted with a Watchman device in relation to choice of anticoagulation and indication for implant
This study explores the outcomes of patients implanted with a Watchman device in relation to anticoagulation choice (warfarin versus DOAC) in the post-procedure period and a history of bleeding.MethodsPatients implanted with a Watchman device at a single center were retrospectively analyzed. Characteristics including anticoagulation in the first 45 days and history of major bleed were assessed and efficacy (thromboembolism) and safety (bleeding) outcomes compared by Kaplan-Meier analysis.ResultsTwo hundred nine patients were implanted (57% male, age 74.6 ± 7.8 years) and followed for 23.5 ± 7.1 months. In the...
Source: Journal of Interventional Cardiac Electrophysiology - February 12, 2021 Category: Cardiology Source Type: research

The advantages and disadvantages of the novel fourth-generation cryoballoon as compared to the second-generation cryoballoon in the current short freeze strategy
AbstractBackgroundThe novel fourth-generation cryoballoon (4th-CB) is characterized by a shorter-tip that potentially facilitates better time-to-isolation  (TTI) monitoring. We sought to clarify the advantages and disadvantages of the 4th-CB compared to the second-generation cryoballoon (2nd-CB) in  pulmonary vein isolation (PVI).MethodsForty-one and 49 consecutive atrial fibrillation patients underwent 2nd-CB and 4th-CB PVIs using 28-mm balloons and short freeze strategies.  When effective freezing was not obtained, the CB was switched to the other CB.ResultsThe rate of successful PVIs was significantly hig...
Source: Journal of Interventional Cardiac Electrophysiology - February 11, 2021 Category: Cardiology Source Type: research

Recent temporal trends in hospital costs for non-surgical patients receiving implantable cardioverter defibrillators
This study reviewed the associated hospital costs for non-surgical patients who received ICDs from 2015 to 2019.MethodsWe performed a retrospective single-center analysis of patients who received an ICD between 2015 and 2019. ICD cost was analyzed with respect to time using linear regression t-test analysis.ResultsFor 304 patients, we trended cost of the devices over time. 168 (55.2%) cases were single-chamber devices, 53 (17.4%) were dual-chamber, 59 (19.4%) were cardiac resynchronization therapy-defibrillators (CRT-D), and 24 (7.9%) were subcutaneous devices. The cost of all ICDs decreased by -$1.82/day (p
Source: Journal of Interventional Cardiac Electrophysiology - February 11, 2021 Category: Cardiology Source Type: research

Impact of ablation index settings on pulmonary vein reconnection
ConclusionAblation with a lower range of AI is highly effective and is not associated with a higher rate of acute and late PVR. No predictors of PV reconnection were found. (Source: Journal of Interventional Cardiac Electrophysiology)
Source: Journal of Interventional Cardiac Electrophysiology - February 11, 2021 Category: Cardiology Source Type: research

Atrial fibrillation ablation: is common practice far from guidelines ’ world? The Italian experience from a national survey
ConclusionsThis survey suggests that the adherence of Italian centers to the most recent European Society of Cardiology guidelines for AF ablation is reasonably high. (Source: Journal of Interventional Cardiac Electrophysiology)
Source: Journal of Interventional Cardiac Electrophysiology - February 10, 2021 Category: Cardiology Source Type: research

Electrophysiological properties and involvement of anatomical factors for the prediction of intramural origin in patients with ventricular tachyarrhythmia arising from the left ventricular outflow tract
AbstractPurposeTo elucidate the electrophysiological predictors of the intramural origins of left ventricular outflow tract-ventricular tachyarrhythmias (LVOT-VAs), and to clarify the involvement of anatomical factors.MethodsTwenty-nine successfully ablated LVOT-VAs patients with origins in the aortomitral continuity (AMC) (n = 8), aortic sinus of valsalva (ASV) (n = 9), great cardiac vein (GCV) (n = 5), and intramural myocardium (n = 7) were enrolled. Intramural origins were defined as when effective ablation from AMC and epicardium (ASV and/or GCV) was needed. The local activation time difference (LATD) was calculated as...
Source: Journal of Interventional Cardiac Electrophysiology - February 9, 2021 Category: Cardiology Source Type: research

A simplified differential pacing technique for the evaluation of bidirectional cavo-tricuspid isthmus block during ablation of typical atrial flutter
AbstractPurposeBidirectional block of the cavo-tricuspid isthmus (CTI) is an established endpoint of CTI-dependent atrial flutter (AFl) ablation. Differential pacing has been used to evaluate the CTI block. The purpose of this study is to describe a modified differential pacing technique to evaluate the CTI block.MethodsSixty-two patients underwent radiofrequency (RF) ablation of CTI-dependent AFl. The acute endpoints were non-inducibility of the AFl, and verification of the bidirectional CTI block by our methodology. Pacing was performed in the CS with an ablation catheter positioned immediately lateral to the CTI ablatio...
Source: Journal of Interventional Cardiac Electrophysiology - February 7, 2021 Category: Cardiology Source Type: research

Economic evaluation of an ultra-high density mapping system compared to non-ultra-high density mapping systems for radiofrequency catheter ablation procedures in patients with atrial fibrillation
ConclusionIn patients treated with an NUHDMS, 25% had a repeat ablation for recurrent arrhythmia, whereas only 9% of patients treated with a UHDMS had one (61% relative risk reduction), resulting in an average cost saving per patient of €1,600. (Source: Journal of Interventional Cardiac Electrophysiology)
Source: Journal of Interventional Cardiac Electrophysiology - February 6, 2021 Category: Cardiology Source Type: research

Rebooting atrial fibrillation ablation in the COVID-19 pandemic
AbstractPurposeCatheter ablation procedures for atrial fibrillation (AF) were significantly curtailed during the peak of coronavirus disease 2019 (COVID-19) pandemic to conserve healthcare resources and limit exposure. There is little data regarding peri-procedural outcomes of medical procedures during the COVID-19 pandemic. We enacted protocols to safely reboot AF ablation while limiting healthcare resource utilization. We aimed to evaluate acute and subacute outcomes of protocols instituted for reboot of AF ablation during the COVID-19 pandemic.MethodsPerioperative healthcare utilization and acute procedural outcomes wer...
Source: Journal of Interventional Cardiac Electrophysiology - February 4, 2021 Category: Cardiology Source Type: research

Ablation of mitral annular flutter ablation utilizing a left atrial anterior line versus a lateral mitral isthmus line: a systematic review and meta-analysis
ConclusionAblation of mitral annular flutter with a LAAW line compared to a LMI line showed no difference in rates of acute bidirectional block, ablation time, or pericardial effusion. However, LAAW ablation required a longer ablation line length, resulted in greater LAA activation delayed and was associated with more sinus rhythm maintenance, with the added advantage of avoiding ablation in the CS. (Source: Journal of Interventional Cardiac Electrophysiology)
Source: Journal of Interventional Cardiac Electrophysiology - February 4, 2021 Category: Cardiology Source Type: research

The benefit of cardioneuroablation to reduce syncope recurrence in vasovagal syncope patients: a case-control study
ConclusionsIn highly selected patients with HUT-induced cardioinhibitory response, CNA is associated with a significant reduction in syncope recurrence during follow-up when compared to CT. (Source: Journal of Interventional Cardiac Electrophysiology)
Source: Journal of Interventional Cardiac Electrophysiology - February 1, 2021 Category: Cardiology Source Type: research

Non-infective left ventricular lead complications requiring re-intervention following cardiac resynchronization therapy: prevalence, causes and outcomes
ConclusionsA small but significant proportion of patients required LV lead re-intervention for complications followingde novo implant. Lead displacement accounted for half of the re-interventions. Re-intervention was associated with a higher complication rate, but 92% of these patients had functional LV leads at the end of follow-up. (Source: Journal of Interventional Cardiac Electrophysiology)
Source: Journal of Interventional Cardiac Electrophysiology - February 1, 2021 Category: Cardiology Source Type: research

In memoriam: John Joseph Gallagher MD: a founder and pioneer of modern clinical electrophysiology (March 3, 1943, to November 21, 2020)
(Source: Journal of Interventional Cardiac Electrophysiology)
Source: Journal of Interventional Cardiac Electrophysiology - February 1, 2021 Category: Cardiology Source Type: research

Resetting of atrial tachycardia by a scanned extrastimulus at a downstream site on a multielectrode catheter: a simple diagnostic maneuver for locating the macroreentrant atrial tachycardia circuit
AbstractPurposeEntrainment is a useful method for locating reentrant atrial tachycardia (AT) circuits, but alterations or termination of the AT can derail this process. We assessed whether resetting an upstream site of a neighboring electrode by a scanned extrastimulus at a downstream site (when the upstream tissue was refractory) could diagnose that site within the AT circuit.MethodsThe procedure was applied to 48 ATs with a cycle length (CL) of 238 ± 42 ms (26 common flutters, 8 perimitral flutters, 7 left atrial [LA] roof-dependent AT, 3 LA scar-related macroreentrant ATs, 2 pulmonary vein-gap reentry tachycardia...
Source: Journal of Interventional Cardiac Electrophysiology - January 29, 2021 Category: Cardiology Source Type: research

Complication rates following ventricular tachycardia ablation in ischaemic and non-ischaemic cardiomyopathies: a systematic review
ConclusionOverall acute complication rates of VT ablation are comparable between ICM and NICM patients. However, the pattern and predictors of complications vary depending on the underlying cardiomyopathy. (Source: Journal of Interventional Cardiac Electrophysiology)
Source: Journal of Interventional Cardiac Electrophysiology - January 29, 2021 Category: Cardiology Source Type: research

Respiratory variability of sinus node activation in humans: insights from ultra-high-density mapping
ConclusionInspiration induces a significant caudal shift of the earliest sinus activation. In one-third of the cases, sinus rhythm earliest activation is inside the SVC. (Source: Journal of Interventional Cardiac Electrophysiology)
Source: Journal of Interventional Cardiac Electrophysiology - January 29, 2021 Category: Cardiology Source Type: research

An improved window of interest for electroanatomical mapping of atrial tachycardia
ConclusionsThis study found that electroanatomical mapping acquisition with a window of interest set at the end of the P wave improves the ability to diagnose the arrhythmia mechanism based on the initial map. It is particularly beneficial in identifying area of interest for ablation in perimitral AT. (Source: Journal of Interventional Cardiac Electrophysiology)
Source: Journal of Interventional Cardiac Electrophysiology - January 27, 2021 Category: Cardiology Source Type: research

Outpatient initiation of dofetilide: insights from the complexities of atrial fibrillation management during the COVID-19 lockdown
ConclusionEffective and safe outpatient initiation of dofetilide during the extenuating circumstance of COVID-19 lockdown was possible in patients with AF who had CIEDs. (Source: Journal of Interventional Cardiac Electrophysiology)
Source: Journal of Interventional Cardiac Electrophysiology - January 23, 2021 Category: Cardiology Source Type: research

Chronic kidney disease impairs prognosis in electrical storm
AbstractBackgroundThe study sought to assess the prognostic impact of chronic kidney disease (CKD) in patients with electrical storm (ES). ES represents a life-threatening heart rhythm disorder. In particular, CKD patients are at risk of suffering from ES. However, data regarding the prognostic impact of CKD on long-term mortality in ES patients is limited.MethodsAll consecutive ES patients with an implantable cardioverter –defibrillator (ICD) were included retrospectively from 2002 to 2016. Patients with CKD (MDRD-GFR
Source: Journal of Interventional Cardiac Electrophysiology - January 23, 2021 Category: Cardiology Source Type: research

VersaCross radiofrequency system reduces time to left atrial access versus conventional mechanical needle
ConclusionsCombining a starter wire, transseptal needle and exchange guidewire in the VersaCross RF system enabled faster LA access, which potentially leads to efficient workflow. Further investigation with larger sample size is warranted to corroborate our findings. (Source: Journal of Interventional Cardiac Electrophysiology)
Source: Journal of Interventional Cardiac Electrophysiology - January 22, 2021 Category: Cardiology Source Type: research

Impact of synchronous atrioventricular delay optimization on left ventricle flow force angle evaluated by echocardiographic particle image velocimetry
AbstractPurposeTo evaluate the improvement in electrical synchrony and left ventricle (LV) hemodynamics provided by combining the dynamic atrioventricular delay (AVD) of SyncAVTM CRT and the multiple LV pacing sites of MultiPoint pacing (MPP).MethodsPatients with LBBB and QRS duration (QRSd)> 140 ms implanted with a CRT-D or CRT-P device and quadripolar LV lead were enrolled in this prospective study. During a post-implant follow-up visit, QRSd was measured from 12-lead surface electrograms by experts blinded to pacing configurations. QRSd reduction relative to intrinsic rhythm was evaluated during biventricular pacing ...
Source: Journal of Interventional Cardiac Electrophysiology - January 20, 2021 Category: Cardiology Source Type: research

High-density versus low-density mapping in ablation of atypical atrial flutter
The objective of the present study was to explore whether employing HD mapping leads to a more favorable outcome in ablation of AAFL.MethodsWe compared baseline and procedural characteristics, procedural success, safety and outcome of mapping and ablation of atypical flutter in three groups. (1) HD Grid catheter + the high-density electroanatomical mapping (EAM) system EnSite Precision; (2) standard 10-pole circular mapping catheter (CMC) + EnSite Precision; (3) CMC + the low-density EnSite Velocity EAM. Voltage and propagation maps were constructed.ResultsMapping of 142 AAFL in 82 patients was performed. Acute ablation su...
Source: Journal of Interventional Cardiac Electrophysiology - January 17, 2021 Category: Cardiology Source Type: research

Comparison between superior vena cava ablation in addition to pulmonary vein isolation and standard pulmonary vein isolation in patients with paroxysmal atrial fibrillation with the cryoballoon technique
ConclusionSuperior vena cava isolation with the CB in addition to PVI might improve freedom from ATs if compared to PVI alone at 1-year follow-up. (Source: Journal of Interventional Cardiac Electrophysiology)
Source: Journal of Interventional Cardiac Electrophysiology - January 15, 2021 Category: Cardiology Source Type: research

Electromagnetic interference between implantable cardiac devices and continuous-flow left ventricular assist devices: a review
AbstractMany patients with continuous-flow left ventricular assist devices (CF-LVAD) have other, co-existing implantable cardiac devices. While such devices often function appropriately, there is potential for electromagnetic interference (EMI). A literature review was performed to identify cases of EMI between CF-LVAD and other implanted cardiac devices to better understand their etiology, outcomes, and the strategies used to overcome such interference. The cases identified included interference between CF-LVAD and pacemakers, implantable cardioverter-defibrillators, and cardiac resynchronization therapy. The EMI reported...
Source: Journal of Interventional Cardiac Electrophysiology - January 12, 2021 Category: Cardiology Source Type: research

Increased body mass index, age, and left atrial size are associated with altered intracardiac atrial electrograms in persistent atrial fibrillation patients
AbstractBackgroundThere are limited studies evaluating whether atrial fibrillation (AF) patients with increased BMI, age, and left atrial (LA) size have altered intracardiac electrogram (EGM) morphology.MethodsWe analyzed left atrial intracardiac EGMs acquired during invasive electrophysiology study in 54 patients with AF. EGM correlations were assessed among AF risk factors including age, left atrial size, and BMI.ResultsBMI correlated positively with DF (r2 = 0.17,p = 0.009) and MP (r2 = 0.16,p = 0.01) with dominant frequency (DF) and mean spectral profile (MP) greater among obese individuals. Age was negatively associat...
Source: Journal of Interventional Cardiac Electrophysiology - January 12, 2021 Category: Cardiology Source Type: research

Atrio-esophageal fistula clinically presented as pericardial-esophageal fistula
(Source: Journal of Interventional Cardiac Electrophysiology)
Source: Journal of Interventional Cardiac Electrophysiology - January 12, 2021 Category: Cardiology Source Type: research

Comparing the safety of subcutaneous versus transvenous ICDs: a meta-analysis
ConclusionThe present study verified the safety of S-ICDs based on pooled data. Although there were no differences between TV- and S-ICDs in the short term, fewer adverse events were found in patients with S-ICDs during long-term follow-up. (Source: Journal of Interventional Cardiac Electrophysiology)
Source: Journal of Interventional Cardiac Electrophysiology - January 11, 2021 Category: Cardiology Source Type: research

Ablation for paroxysmal atrial fibrillation —real-life results from a middle-volume electrophysiology laboratory
ConclusionsThis real-life observational study from a medium volume EP center shows that progress in PAF ablation, especially RF, reported by highly-skilled centers, can be reproduced in real life by less experienced operators. (Source: Journal of Interventional Cardiac Electrophysiology)
Source: Journal of Interventional Cardiac Electrophysiology - January 9, 2021 Category: Cardiology Source Type: research

A novel disinfection protocol using ATP testing for lead garments in the electrophysiology lab
ConclusionsLead garments harbor microbial contamination after use according to ATP testing. A sanitary intervention can decontaminate lead garments and potentially reduce rates of hospital infection. (Source: Journal of Interventional Cardiac Electrophysiology)
Source: Journal of Interventional Cardiac Electrophysiology - January 9, 2021 Category: Cardiology Source Type: research

Catheter ablation of ventricular tachycardia in patients with electrical storm, with a special focus on patients with Chagas disease
AbstractBackgroundThere are few reports on the benefits of catheter ablation (CA) in patients with electrical storm (ES). None of these publications included patients with Chagas disease (ChD). Our aims are  to analyze (1) all the cases of ES treated with CA and (2) the subgroup of patients with ChD.MethodsProspective analysis of consecutive patients with ES due to monomorphic ventricular tachycardia (VT) treated with CA.ResultsWe included 38 patients: 28 males; median age of 63.5 (IQR 55 –71) years old; ejection fraction (LVEF) 0.30 (0.25–0.40). Sixteen patients (42.1%) had ChD. The patients experienced 2...
Source: Journal of Interventional Cardiac Electrophysiology - January 9, 2021 Category: Cardiology Source Type: research

Substrate mapping of the left atrium in persistent atrial fibrillation: spatial correlation of localized complex conduction patterns in global charge-density maps to low-voltage areas in 3D contact bipolar voltage maps
ConclusionDue to wave front direction dependency, LVAs mapped with BVM in sinus rhythm and during coronary sinus pacing only partially overlap in patients with PsAF. LCC-cores mapped during PsAF partially co-localize with LVAs. (Source: Journal of Interventional Cardiac Electrophysiology)
Source: Journal of Interventional Cardiac Electrophysiology - January 8, 2021 Category: Cardiology Source Type: research

New-onset atrial fibrillation following percutaneous closure of patent foramen ovale: a systematic review and meta-analysis
ConclusionsThe incidence of AF post-PFO closure was low across studies, with a high level of between-study heterogeneity. Until a concerted effort is made to improve accurate AF diagnosis, it will be difficult to gauge the association between transcatheter PFO closure and incidence of AF. (Source: Journal of Interventional Cardiac Electrophysiology)
Source: Journal of Interventional Cardiac Electrophysiology - January 8, 2021 Category: Cardiology Source Type: research

Cryoballoon vs radiofrequency ablation of atrial fibrillation: insights from the Veterans Healthcare System
AbstractPurposeCatheter ablation is considered the mainstay treatment for drug-refractory atrial fibrillation (AF). The aims of our study were to compare the efficacy and safety of the most two currently approved approaches (point-by-point radiofrequency ablation (RFA), either with contact force (CF) or without contact force (nCF) catheters, and cryoballoon ablation (CBA)) in the Veterans Healthcare System.MethodsWe performed a retrospective study of patients who underwent ablation for treatment of AF at the veterans affairs healthcare system between 2013 and 2018. Only the first reported ablation procedure was included.Re...
Source: Journal of Interventional Cardiac Electrophysiology - January 7, 2021 Category: Cardiology Source Type: research

Successful percutaneous extraction of a circular mapping catheter entrapped in a Chiari network
(Source: Journal of Interventional Cardiac Electrophysiology)
Source: Journal of Interventional Cardiac Electrophysiology - January 5, 2021 Category: Cardiology Source Type: research

Impact of a high-density grid catheter on long-term outcomes for structural heart disease ventricular tachycardia ablation
ConclusionsThis study highlights a step-wise improvement in survival free from ICD therapies as the density of mapping capability increases. By using a high-density mapping catheter and combining complementary mapping strategies in a strict procedural workflow, long-term clinical outcomes are improved. (Source: Journal of Interventional Cardiac Electrophysiology)
Source: Journal of Interventional Cardiac Electrophysiology - January 4, 2021 Category: Cardiology Source Type: research