Indian Pacing and Electrophysiology Journal最新文献_第9页

Inadvertent higher rate atrial pacing after dual chamber pacemaker implantation - What is the underlying mechanism? 双腔起搏器植入术后无意中提高心房起搏频率--其根本机制是什么？

Indian Pacing and Electrophysiology Journal Pub Date : 2025-01-01 DOI: 10.1016/j.ipej.2024.11.001

Arpita Katheria, Kamlesh Raut, Ankit Kumar Sahu, Aditya Kapoor

引用次数: 0

Pivoting turn-around activation guided successful slow pathway ablation in the cavotricuspid isthmus 枢转激活引导成功消融腔静脉峡部的慢通路。

Indian Pacing and Electrophysiology Journal Pub Date : 2025-01-01 DOI: 10.1016/j.ipej.2024.10.001

Hideyuki Hasebe, Yoshitaka Furuyashiki

引用次数: 0

Contribution of continuous intravenous lidocaine in managing congenital long QT syndrome with 2:1 atrioventricular block 持续静脉注射利多卡因在治疗先天性长QT综合征合并2:1房室传导阻滞中的作用。

Indian Pacing and Electrophysiology Journal Pub Date : 2025-01-01 DOI: 10.1016/j.ipej.2024.12.003

Deebaj Nadeem, Muhammad Mohsin, Faisal Qadir

引用次数: 0

Leadless pacemaker implantation in challenging scenarios: A case report series of patients with mechanical tricuspid valves 无铅起搏器植入在具有挑战性的情况下：机械三尖瓣患者的病例报告系列。

Indian Pacing and Electrophysiology Journal Pub Date : 2025-01-01 DOI: 10.1016/j.ipej.2024.12.002

Surachat Jaroonpipatkul , Sutham Sutheerapatranont , Leenhapong Navaravong , Apichai Pokawattana

{"title":"Leadless pacemaker implantation in challenging scenarios: A case report series of patients with mechanical tricuspid valves","authors":"Surachat Jaroonpipatkul , Sutham Sutheerapatranont , Leenhapong Navaravong , Apichai Pokawattana","doi":"10.1016/j.ipej.2024.12.002","DOIUrl":"10.1016/j.ipej.2024.12.002","url":null,"abstract":"<div><h3>Introduction</h3><div>The advancement of medical technology has introduced leadless pacemakers (LPMs) as a significant innovation in cardiac pacing, offering potential advantages over traditional ventricular transvenous pacemakers. This report explores the application of LPMs in two patients with complex valvular histories, particularly those with mechanical tricuspid valves.</div></div><div><h3>Case reports</h3><div>The first case involves a 60-year-old male with a history of rheumatic heart disease and triple valve replacement who developed a high-grade AV block. Due to significant RV pacing, a single-chamber VVI pacemaker using the Micra Transcatheter Pacing System was successfully implanted, navigating the mechanical tricuspid valve with stable pacing parameters.</div><div>The second case describes a 70-year-old female with HIV, diabetes, hypothyroidism, and multiple valve surgeries presenting with syncope and dyspnea. Given her complex medical history and recurrent conduction issues, the Micra pacemaker was chosen. Despite initial resistance, successful deployment was achieved at the lower septum with acceptable pacing thresholds.</div></div><div><h3>Discussion</h3><div>LPMs offer a promising alternative for patients with mechanical tricuspid valves, eliminating the risks associated with transvenous leads. The Micra system's minimally invasive approach and stable performance in these challenging cases suggest its potential viability in high-risk patients with complex valvular conditions.</div></div><div><h3>Conclusion</h3><div>These cases demonstrate the feasibility of LPM implantation through mechanical tricuspid valves; however, given the associated risks, careful evaluation and meticulous procedural planning are essential before considering this approach.</div></div>","PeriodicalId":35900,"journal":{"name":"Indian Pacing and Electrophysiology Journal","volume":"25 1","pages":"Pages 20-24"},"PeriodicalIF":0.0,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142915758","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}

引用次数: 0

Atrial leadless pacemaker implant using Aveir VR in an adolescent with congenital heart disease 使用 Aveir VR 为一名患有先天性心脏病的青少年植入心房无导线起搏器。

Indian Pacing and Electrophysiology Journal Pub Date : 2025-01-01 DOI: 10.1016/j.ipej.2024.10.004

Daniel Cortez

{"title":"Atrial leadless pacemaker implant using Aveir VR in an adolescent with congenital heart disease","authors":"Daniel Cortez","doi":"10.1016/j.ipej.2024.10.004","DOIUrl":"10.1016/j.ipej.2024.10.004","url":null,"abstract":"<div><h3>Introduction</h3><div>Pediatric patients with congenital heart disease repair may develop sinus node dysfunction. Leadless pacemakers have provided an alternative option to transvenous and epicardial device implants for pediatric patients in need of ventricular pacing. We describe the first adolescent patient to receive a leadless pacemaker in the atrium due to symptomatic sinus pauses.</div></div><div><h3>Methods</h3><div>The study was approved by the internal review board of the University of California at Davis. Femoral vein implant was performed of an Aveir VR due to the higher impedance and larger battery capacity.</div></div><div><h3>Results</h3><div>The 16-year-old male with dextro-transposition of the great arteries and ventricular septal defect repair had an uncomplicated atrial appendage implant of an Atrial Aveir VR, under transesophageal echocardiographic guidance. Three-month follow-up demonstrated stable threshold of 0.5 V @ 0.2 milliseconds, impedance of 720 Ω and sensing of 9.1 mV, with 10 % pacing and predicted battery longevity of 22.8 years.</div></div><div><h3>Conclusion</h3><div>Atrial implant of a leadless pacemaker is possible in the older pediatric population without complications, including of the Aveir VR.</div></div>","PeriodicalId":35900,"journal":{"name":"Indian Pacing and Electrophysiology Journal","volume":"25 1","pages":"Pages 28-31"},"PeriodicalIF":0.0,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142476565","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}

引用次数: 0

IPEJ, a reflection of the IHRS. Speaking out my mind … IPEJ是IHRS的反映。说出我的想法……

Indian Pacing and Electrophysiology Journal Pub Date : 2025-01-01 DOI: 10.1016/j.ipej.2025.02.001

引用次数: 0

Retrievable dual-chamber leadless pacemaker implant (Aveir DR) in an adult patient with congenital heart disease 为一名患有先天性心脏病的成年患者植入双腔无导线起搏器 (Aveir DR)。

Indian Pacing and Electrophysiology Journal Pub Date : 2024-11-01 DOI: 10.1016/j.ipej.2024.09.001

Howard How-Peng Liu, Daniel Cortez

{"title":"Retrievable dual-chamber leadless pacemaker implant (Aveir DR) in an adult patient with congenital heart disease","authors":"Howard How-Peng Liu, Daniel Cortez","doi":"10.1016/j.ipej.2024.09.001","DOIUrl":"10.1016/j.ipej.2024.09.001","url":null,"abstract":"<div><div>Leadless pacemakers have demonstrated potential as a transvenous pacing option in Adult Congenital Heart Disease patients. Aveir™ single-chamber (VR) leadless pacemakers have demonstrated safety in patients without congenital heart disease in a dual chamber approach. We present a case of dual-chamber pacing using the Aveir dual-chamber (DR) leadless pacemaker in a patient with repaired dextro-transposition of the great arteries with ventricular septal defect (VSD) surgical closure.</div><div>A 26-year-old male patient with a history of transposition of the great arteries status post arterial switch and VSD repair neonatally had complicated second degree atrioventricular block and sinus node dysfunction necessitating pacemaker placement. Epicardial single-chamber ventricular pacemaker was placed neonatally, which was switched to dual-chamber pacemaker at age 17 due to malfunction. Recent fracture of pacemaker leads led to implantation of new dual chamber leadless pacemaker.</div><div>Removal of previous pacemaker leads via mechanical extraction occurred and implantation of Aveir DR leadless pacemaker was performed under anesthesia via right femoral vein access without complication. Follow-up demonstrated Aveir VR threshold of [email protected] ms, R-wave of 8.9mV, impedance of 490Ω, and the Aveir AR threshold of [email protected] ms, P-wave of 3.7mV, and impedance of 400Ω.</div><div>This case demonstrates safety and efficacy of dual chamber leadless pacemaker implantation in an ACHD patient.</div></div>","PeriodicalId":35900,"journal":{"name":"Indian Pacing and Electrophysiology Journal","volume":"24 6","pages":"Pages 347-350"},"PeriodicalIF":0.0,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11662404/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142146467","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}

引用次数: 0

Twelve-lead ambulatory ECG recording using a seven-electrode recorder: An alternative method for electrophysiological evaluation 使用七电极记录仪记录十二导联动态心电图：电生理评估的另一种方法。

Indian Pacing and Electrophysiology Journal Pub Date : 2024-11-01 DOI: 10.1016/j.ipej.2024.10.005

Carlos Arthur Hansel Diniz da Costa , Gabriela Menichelli Medeiros Coelho, Rhanniel Theodorus Helhyas Oliveira Shilva Gomes Villar, Enia Lúcia Coutinho, Claudio Cirenza, Angelo Amato Vincenzo de Paola

{"title":"Twelve-lead ambulatory ECG recording using a seven-electrode recorder: An alternative method for electrophysiological evaluation","authors":"Carlos Arthur Hansel Diniz da Costa , Gabriela Menichelli Medeiros Coelho, Rhanniel Theodorus Helhyas Oliveira Shilva Gomes Villar, Enia Lúcia Coutinho, Claudio Cirenza, Angelo Amato Vincenzo de Paola","doi":"10.1016/j.ipej.2024.10.005","DOIUrl":"10.1016/j.ipej.2024.10.005","url":null,"abstract":"<div><h3>Introduction</h3><div>Conventional three-lead ambulatory electrocardiogram recording (3L-AECG) is used for the quantitative diagnosis of arrhythmias. However, the lack of crucial information, such as QRS morphology and orientation, renders the 3L-AECG incomplete for planning electrophysiological interventions. The 12-lead AECG (12L-AECG) merges the temporal resolution 3L-AECG with the spatial resolution of the standard electrocardiogram (S-ECG). Although it provides more detail, it is not widely used. This study aimed to verify whether the seven-electrode 12L-AECG and S-ECG have similar waveforms.</div></div><div><h3>Methods</h3><div>A questionnaire consisting of 240 side-by-side comparisons (12 leads from 20 patients) was created. These consisted of a QRS registered using the 12L-AECG and a QRS from the same patient, registered using the S-ECG. The questionnaire was submitted to cardiologists trained in electrophysiology. For each comparison, the evaluator assigned “similar” or “different” depending on their own judgment.</div></div><div><h3>Results</h3><div>Five cardiologists completed the questionnaire, resulting in 1200 answers. The AECG-12 was similar to the ECG in 84.50 % of the instances (95 % confidence interval [CI] 83.20–86.50). The interobserver agreement was moderate (0.542, p < 0.001). The similarity between specific leads ranged up to 98 % (95 % CI 92.96–99.76). No significant differences were found among patients (p = 0.407).</div></div><div><h3>Conclusion</h3><div>The seven-electrode 12L-AECG and S-ECG produced comparable waveforms. This similarity supports the use of 12L-AECG for accurate arrhythmia tracking and assists in planning electrophysiological procedures.</div></div>","PeriodicalId":35900,"journal":{"name":"Indian Pacing and Electrophysiology Journal","volume":"24 6","pages":"Pages 309-314"},"PeriodicalIF":0.0,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11662406/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142509592","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}

引用次数: 0

Visualization of residual gaps after linear ablation using the LUMIPOINTTM module: A case report 使用 LUMIPOINT™ 模块观察线性消融后的残余间隙：病例报告。

Indian Pacing and Electrophysiology Journal Pub Date : 2024-11-01 DOI: 10.1016/j.ipej.2024.09.006

Yasuyuki Egami, Yasuharu Matsunaga-Lee, Masamichi Yano, Masami Nishino

{"title":"Visualization of residual gaps after linear ablation using the LUMIPOINTTM module: A case report","authors":"Yasuyuki Egami, Yasuharu Matsunaga-Lee, Masamichi Yano, Masami Nishino","doi":"10.1016/j.ipej.2024.09.006","DOIUrl":"10.1016/j.ipej.2024.09.006","url":null,"abstract":"<div><h3>Background</h3><div>Macroreentrant atrial tachycardia (ATs) through epicardial conduction is depicted as a focal AT on 3-D mapping, i.e., pseudo-focal AT. A new feature of the Rhythmia mapping system (Boston Scientific), the \"LUMIPOINT module\", can highlight all electrocardiograms (EGMs) above a threshold determined by an adjustable confidence slider (CS). Lowering the CS (L-CS) may highlight undetected electrograms (EGMs) at the nominal CS setting, potentially enabling visualization of the critical isthmus of pseudo-focal ATs.</div></div><div><h3>Methods and results</h3><div>This study included 3 ATs after linear ablation of two left atrial roof-dependent ATs (cases 1 and 2) and one peri-mitral flutter (case 3). All ATs were diagnosed as pseudo-focal AT according to an electrophysiological study and the Rhythmia mapping system with the LUMIPOINT module. The L-CS method consisted of the following steps: 1. Set the LUMIPOINT activation window to the time difference before and after the linear ablation line. 2. Highlight the two regions before and after the linear ablation line. 3. Gradually lower the CS value from the nominal setting of 85 % by 5–10 %. By the L-CS method in cases 1–3, the 2-sided highlighted areas before and after the prior linear ablation lesion gradually expanded and eventually fused. EGMs at the fusion sites of the highlighted areas exhibited fragmented EGMs with a low voltage, where a single-shot ablation terminated the targeted ATs.</div></div><div><h3>Conclusion</h3><div>The L-CS method was useful for the visualization of residual gaps and identification of targeted ablation sites in cases of pseudo-focal AT after linear ablation of macroreentrant ATs.</div></div>","PeriodicalId":35900,"journal":{"name":"Indian Pacing and Electrophysiology Journal","volume":"24 6","pages":"Pages 361-365"},"PeriodicalIF":0.0,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11662405/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142297260","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}

引用次数: 0

Premature ventricular contraction arising from the left coronary sinus cusp: Which signal is the target of ablation? 左冠状窦尖出现室性早搏：哪个信号是消融的目标？

Indian Pacing and Electrophysiology Journal Pub Date : 2024-11-01 DOI: 10.1016/j.ipej.2024.09.003

Takashi Nakashima , Masaru Nagase , Shigekiyo Takahashi , Takuma Aoyama

引用次数: 0