Pacing and clinical electrophysiology : PACE最新文献

{"title":"Trapped p waves causing loss of physiological left bundle branch pacing.","authors":"Daniel de Castro,&nbsp;Cristina Aguilera-Agudo,&nbsp;Víctor Castro-Urda,&nbsp;Jorge Toquero,&nbsp;Diego Jimenez-Sanchez,&nbsp;Paula Vela-Martín,&nbsp;Darwin Veloza-Urrea,&nbsp;Ignacio Fernandez-Lozano,&nbsp;Eusebio García-Izquierdo","doi":"10.1111/pace.14467","DOIUrl":"https://doi.org/10.1111/pace.14467","url":null,"abstract":"<p><p>We present the case of a 75-year-old woman with severe aortic stenosis and moderate left ventricular dysfunction, who underwent elective transcatheter aortic valve replacement. After the procedure, the patient developed a left bundle branch block and a long PR interval. For this reason, a dual chamber pacemaker with pacing in the left bundle branch area was implanted. On device interrogation, we confirmed the presence of functional atrial undersensing causing loss of ventricular electric resynchronization. This case highlights the importance of recognizing this problem and, by means of device reprogramming and pharmacological intervention, suggests a stepwise approach to solve it.</p>","PeriodicalId":520740,"journal":{"name":"Pacing and clinical electrophysiology : PACE","volume":" ","pages":"896-899"},"PeriodicalIF":1.8,"publicationDate":"2022-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"39942920","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Distal type of nodo-ventricular pathway: Unique electrophysiological characteristics mimicking fasciculo-ventricular pathway.","authors":"Shunsuke Uetake,&nbsp;Mitsunori Maruyama,&nbsp;Yasushi Miyauchi,&nbsp;Wataru Shimizu","doi":"10.1111/pace.14468","DOIUrl":"https://doi.org/10.1111/pace.14468","url":null,"abstract":"<p><p>Fasciculo-ventricular and nodo-ventricular pathways (FVP and NVP) are rare preexcitation variants. Normally, NVP is electrophysiologically different from FVP. We describe a unique type of NVP emerging from the distal part of the slow pathway, designated as \"distal type\" NVP. The distal type NVP resembled FVP but was proven by unexpected elimination of the NVP during the slow pathway ablation. Also, NVP was distinguishable from FVP by a careful comparison of the HV intervals during conduction over the fast and slow pathways. Demonstration of this novel type NVP provides insights into how the insertion site of NVP affects its electrophysiologic behaviors.</p>","PeriodicalId":520740,"journal":{"name":"Pacing and clinical electrophysiology : PACE","volume":" ","pages":"900-903"},"PeriodicalIF":1.8,"publicationDate":"2022-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"39960859","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"CRT implantation after transvenous lead/device extraction (TLE) in a patient with COVID-19: Endocarditis triggered by syndrome coronavirus 2 (SARS-COV-2) infection? A case report.","authors":"Stefano De Vivo,&nbsp;Massimiliano Barberio,&nbsp;Carmelina Corrado,&nbsp;Sergio Severino,&nbsp;Raffaele Verde,&nbsp;Fiorentino Fragranza,&nbsp;Emilio Attena,&nbsp;Carolina Rescigno,&nbsp;Mariano Bernardo,&nbsp;Sara Innocenti,&nbsp;Carlo Tascini,&nbsp;Antonio D'Onofrio","doi":"10.1111/pace.14218","DOIUrl":"https://doi.org/10.1111/pace.14218","url":null,"abstract":"<p><p>In the era of coronavirus disease 2019 (COVID-19), the management of cardiac implantable electronic devices infections with concomitant viral infection has not been completely defined yet. In this explorable context, we report the first experience of a Cardiac resynchronization therapy with defibrillator (CRT-D) implantation after transvenous lead extraction for endocarditis in a COVID-19 patient. We describe both the measures and procedures implemented to reduce the cross-infection in the operating room and our clinical practice to improving procedure effectiveness on patient care.</p>","PeriodicalId":520740,"journal":{"name":"Pacing and clinical electrophysiology : PACE","volume":" ","pages":"807-810"},"PeriodicalIF":1.8,"publicationDate":"2022-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1111/pace.14218","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"25489275","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Role of Purkinje-muscle junction in early ventricular fibrillation in a porcine model: Beyond the trigger concept.","authors":"Robert D Anderson,&nbsp;Stéphane Massé,&nbsp;John Asta,&nbsp;Patrick F H Lai,&nbsp;Praloy Chakraborty,&nbsp;Mohammed Ali Azam,&nbsp;Eugene Downar,&nbsp;Kumaraswamy Nanthakumar","doi":"10.1111/pace.14453","DOIUrl":"https://doi.org/10.1111/pace.14453","url":null,"abstract":"<p><strong>Background: </strong>The role of the Purkinje network in triggering ventricular fibrillation (VF) has been studied; however, its involvement after onset and in early maintenance of VF is controversial.</p><p><strong>Aim: </strong>We studied the role of the Purkinje-muscle junctions (PMJ) on epicardial-endocardial activation gradients during early VF.</p><p><strong>Methods: </strong>In a healthy, porcine, beating-heart Langendorff model [control, n = 5; ablation, n = 5], simultaneous epicardial-endocardial dominant frequent mapping was used (224 unipolar electrograms) to calculate activation rate gradients during the onset and early phase of VF. Selective Purkinje ablation was performed using Lugol's solution, followed by VF re-induction and mapping and finally, histological evaluation.</p><p><strong>Results: </strong>Epicardial activation rates were faster than endocardial rates for both onset and early VF. After PMJ ablation, activation rates decreased epicardially and endocardially for both onset and early VF [Epi: 9.7 ± 0.2 to 8.3 ± 0.2 Hz (p <.0001) and 10.9 ± 0.4 to 8.8 ± 0.3 Hz (p < .0001), respectively; Endo: 8.2 ± 0.3 Hz to 7.4 ± 0.2 Hz (p < .0001) and 7.0 ± 0.4 Hz to 6.6 ± 0.3 Hz (p = .0002), respectively]. In controls, epicardial-endocardial activation rate gradients during onset and early VF were 1.7 ± 0.3 Hz and 4.5 ± 0.4 Hz (p < .001), respectively. After endocardial ablation of PMJs, these gradients were reduced to 0.9 ± 0.3 Hz (onset VF, p < .001) and to 2.2 ± 0.3 Hz (early VF, p <.001). Endocardial-epicardial Purkinje fiber arborization and selective Purkinje fiber extinction after only endocardial ablation (not with epicardial ablation) was confirmed on histological analysis.</p><p><strong>Conclusions: </strong>Beyond the trigger paradigm, PMJs determine activation rate gradients during onset and during early maintenance of VF.</p>","PeriodicalId":520740,"journal":{"name":"Pacing and clinical electrophysiology : PACE","volume":" ","pages":"742-751"},"PeriodicalIF":1.8,"publicationDate":"2022-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"39712985","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Clinical use of real-time remote programming in pacemakers during the COVID-19 pandemic: A case report.","authors":"Xu Chen,&nbsp;Han-Xiong Liu,&nbsp;Lin Tong,&nbsp;Si-Qi Yang,&nbsp;Ling-Yao Qi,&nbsp;Shi-Qiang Xiong,&nbsp;Yan Luo,&nbsp;Lin Cai","doi":"10.1111/pace.14461","DOIUrl":"https://doi.org/10.1111/pace.14461","url":null,"abstract":"<p><p>We report a case in which real-time remote interrogation and reprogramming of the parameters of a dual-chamber pacemaker was performed during the COVID-19 pandemic. The described case demonstrated the safety and effectiveness of CIED remote programming based on the 5G cloud technology support platform (5G-CTP), and showed that the application of real-time remote programming would help in reducing the risk of cross-infection between doctors and patients.</p>","PeriodicalId":520740,"journal":{"name":"Pacing and clinical electrophysiology : PACE","volume":" ","pages":"815-817"},"PeriodicalIF":1.8,"publicationDate":"2022-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/67/a4/PACE-45-815.PMC9115450.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"39899949","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Intra-carina reentrant atrial tachycardia after pulmonary vein isolation of atrial fibrillation.","authors":"Kohki Nakamura,&nbsp;Takehito Sasaki,&nbsp;Wataru Sasaki,&nbsp;Yumiko Haraguchi,&nbsp;Koki Kimura,&nbsp;Shigeto Naito","doi":"10.1111/pace.14440","DOIUrl":"https://doi.org/10.1111/pace.14440","url":null,"abstract":"<p><p>A 77-year-old man underwent catheter ablation of an atrial tachycardia (AT) after a pulmonary vein (PV) isolation of atrial fibrillation. The AT appeared to be a figure-of-eight reentrant AT by high-resolution mapping: one reentrant circuit rotated clockwise within the right PV (RPV) carina and the other rotated counterclockwise via two conduction gaps along the previous RPV isolation line. However, entrainment pacing from the carina and conduction gaps suggested that the AT was an intra-carina localized reentrant AT with a passive loop around the anterior RPV isolation line via those gaps. A radiofrequency application at the RPV carina terminated the AT.</p>","PeriodicalId":520740,"journal":{"name":"Pacing and clinical electrophysiology : PACE","volume":" ","pages":"700-702"},"PeriodicalIF":1.8,"publicationDate":"2022-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"39909323","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Left common carotid artery to left innominate vein arteriovenous fistula after transvenous laser lead extraction.","authors":"Patrick Levesque,&nbsp;Benoît Plourde,&nbsp;Frédéric Jacques,&nbsp;Éric Charbonneau,&nbsp;Marie-Ève Audet,&nbsp;Jean-François Poulin,&nbsp;François Philippon","doi":"10.1111/pace.14439","DOIUrl":"https://doi.org/10.1111/pace.14439","url":null,"abstract":"<p><p>Transvenous lead extraction (TLE) is used for lead infection, lead debulking, venous recanalization and device upgrades. Lead extraction is performed using specialized tools including locking stylets, mechanical or rotating sheaths, femoral snares or laser sheaths. The most feared complications associated with lead extraction are bleeding, vascular tear, cardiac avulsion and tamponade. Despite technological progress, the incidence of major procedural complications including death remains slightly above 1%. This case depicts an asymptomatic left common carotid artery (LCCA) to left innominate vein arteriovenous fistula (AVF) after laser-assisted TLE successfully treated with an endovascular covered stent.</p>","PeriodicalId":520740,"journal":{"name":"Pacing and clinical electrophysiology : PACE","volume":" ","pages":"696-699"},"PeriodicalIF":1.8,"publicationDate":"2022-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"39894041","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Transcranial direct current stimulation in patient with J wave syndrome and implantable cardioverter defibrillator.","authors":"Susan Samani,&nbsp;Sahar Samimi,&nbsp;Reza Mollazadeh,&nbsp;Masoud Mehrpour","doi":"10.1111/pace.14447","DOIUrl":"https://doi.org/10.1111/pace.14447","url":null,"abstract":"<p><p>J wave syndrome is a spectrum of proarrhythmic disorders including Brugada syndrome and early repolarization syndrome (ERS), that are prone to ventricular fibrillation and sudden cardiac death (SCD). In this case report we present a patient with ERS and aborted SCD complicated with cognitive impairment. We also investigated whether performing transcranial direct current stimulation to target his cognitive impairment, interfered with the function of his implantable cardioverter defibrillator.</p>","PeriodicalId":520740,"journal":{"name":"Pacing and clinical electrophysiology : PACE","volume":" ","pages":"703-706"},"PeriodicalIF":1.8,"publicationDate":"2022-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"39935156","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Cryoballoon left atrial roof ablation for persistent atrial fibrillation-Analysis with high-resolution mapping system.","authors":"Shinsuke Miyazaki,&nbsp;Kanae Hasegawa,&nbsp;Moe Mukai,&nbsp;Daisetsu Aoyama,&nbsp;Minoru Nodera,&nbsp;Hiroyasu Uzui,&nbsp;Hiroshi Tada","doi":"10.1111/pace.14345","DOIUrl":"https://doi.org/10.1111/pace.14345","url":null,"abstract":"<p><strong>Background: </strong>Additional benefit of cryoballoon left atrial roof line ablation (CB-RA) beyond cryoballoon pulmonary vein isolation (CB-PVI) is suggested in patients with persistent atrial fibrillation (PsAF). We sought to investigate the feasibility of CB-RA for PsAF and to determine the ablation area.</p><p><strong>Methods and results: </strong>Fifty-three PsAF patients (67[58.5-75.5] years, 36 men, 11 longstanding PsAF) underwent CB-PVI. Subsequently, 44(83.0%) out of 53 patients underwent additional CB-RA. Voltage maps were created in all patients with a high-resolution mapping system. The total number and duration of CB-RAs were 3.9 ± 0.7 and 468 ± 84 s. LA roof areas were complete low voltage areas (LVAs) /scar in 37/44(84.1%) patients (\"complete roof modification\"). The normal LA posterior wall (LAPW) voltage area was 6.1(4.1-8.4) cm² , and the %LAPW isolation area was 61.0(47.2-71.7)%. The %LAPW isolation area was significantly greater in CB-RA patients than those without (64.0[54.2-73.2] vs. 45.0[39.5-50.5]%, p = .041) despite significantly larger LAs in the former group. The %LAPW isolation area was significantly greater in patients with transverse LA diameters < 45 mm than those ≥ 45 mm (p < .0001). The single procedure 1-year AF freedom was 87.4% (22.5% on antiarrhythmic drug) and tended to be higher in CB-RA patients than those without. Among the 44 CB-RA patients, it was significantly higher in patients with a complete roof modification than those without (94.4% vs. 75.0%, p = .0049). One CB-RA patient experienced a delayed cardiac tamponade requiring drainage at 4-months post-procedure.</p><p><strong>Conclusions: </strong>CB-RA significantly expanded the LAPW isolation area, and a complete roof modification resulted in a high arrhythmia freedom in PsAF patients.</p>","PeriodicalId":520740,"journal":{"name":"Pacing and clinical electrophysiology : PACE","volume":" ","pages":"589-597"},"PeriodicalIF":1.8,"publicationDate":"2022-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1111/pace.14345","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"39339851","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Catheter ablation for papillary muscle arrhythmias: A systematic review.","authors":"Marco Valerio Mariani,&nbsp;Agostino Piro,&nbsp;Michele Magnocavallo,&nbsp;Cristina Chimenti,&nbsp;Domenico Della Rocca,&nbsp;Pasquale Santangeli,&nbsp;Andrea Natale,&nbsp;Francesco Fedele,&nbsp;Carlo Lavalle","doi":"10.1111/pace.14462","DOIUrl":"https://doi.org/10.1111/pace.14462","url":null,"abstract":"<p><strong>Background: </strong>Catheter ablation of papillary muscle ventricular arrhythmias (PM-VAs) has been associated with unsatisfactory results. Features that may affect acute and long-term procedural outcomes are not well established.</p><p><strong>Objective: </strong>To systematically review the available data in the literature assessing efficacy and safety of PM-VAs catheter ablation.</p><p><strong>Methods: </strong>An online search of PubMed, Cochrane Registry, Web of Science, Scopus and EMBASE libraries (from inception to March 1, 2021) was performed, in addition to manual screening. Twenty-one observational noncontrolled case-series were considered eligible for the systematic review, including 536 patients.</p><p><strong>Results: </strong>Postero-medial PM harbored 60.8% of PM-VAs, while antero-lateral PM and right ventricular PMs 34.9% and 4.3% of cases, respectively. The mean acute success rate of the index ablation procedure was 88.1% (95% CI 82.8% to 91.9%, p < .001, I² 0%). After a mean follow-up period of 15.5 ± 17.4 months, pooled long-term arrhythmia-free rate was 69.2%, while the pooled long-term success rate after multiple ablation procedure was 84.9%. Overall, procedure complications occurred in nine patients (1.7%) and no procedure-related deaths were reported. The use of intracardiac echocardiography (ICE) as well as contact force sensing (CFS) and irrigated catheters during ablation was associated with higher rates of arrhythmia-freedom at long-term follow-up.</p><p><strong>Conclusions: </strong>Catheter ablation is an effective and safe strategy for PM-VAs, with an acute success rate of 88.1%, a long-term success rate of 69.2%, with a relatively low procedural complication rate. The use of ICE, irrigated catheters and catheters with CFS capability was associated with higher rates of arrhythmia-freedom at long-term follow-up.</p>","PeriodicalId":520740,"journal":{"name":"Pacing and clinical electrophysiology : PACE","volume":" ","pages":"519-531"},"PeriodicalIF":1.8,"publicationDate":"2022-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/b0/22/PACE-45-519.PMC9302647.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"39771227","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}