Indian Pacing and Electrophysiology Journal最新文献_第2页

Lesion characteristics of long application time ablation using unipolar half-normal saline irrigation and bipolar normal saline irrigation. 使用单极半生理盐水灌注和双极生理盐水灌注进行长应用时间消融的病变特征。

Indian Pacing and Electrophysiology Journal Pub Date : 2024-11-15 DOI: 10.1016/j.ipej.2024.11.003

Takumi Kasai, Osamu Saitoh, Ayaka Oikawa, Naomasa Suzuki, Yasuhiro Ikami, Yuki Hasegawa, Sou Otsuki, Takayuki Inomata, Hiroshi Furushima, Masaomi Chinushi

{"title":"Lesion characteristics of long application time ablation using unipolar half-normal saline irrigation and bipolar normal saline irrigation.","authors":"Takumi Kasai, Osamu Saitoh, Ayaka Oikawa, Naomasa Suzuki, Yasuhiro Ikami, Yuki Hasegawa, Sou Otsuki, Takayuki Inomata, Hiroshi Furushima, Masaomi Chinushi","doi":"10.1016/j.ipej.2024.11.003","DOIUrl":"10.1016/j.ipej.2024.11.003","url":null,"abstract":"<p><strong>Introduction: </strong>Unipolar radiofrequency (RF) ablation using half-normal saline irrigation (UNIP-HNS) and bipolar RF ablation using normal saline irrigation (BIP-NS) are effective to treat arrhythmias from inside thick myocardium. However, differences between these two ablations when using a long application time had not fully been studied.</p><p><strong>Methods: </strong>UNIP-HNS, BIP-NS and unipolar RF ablation using normal saline irrigation (UNIP-NS) were applied for 120 s (30 W and 20-g contact) to porcine endocardial wall (≧15.0 mm thickness).</p><p><strong>Results: </strong>All ablations (30 applications each in UNIP-HNS and BIP-NS, and 20 applications in UNIP-NS) were successfully accomplished without steam-pop. Total impedance decline was largest in BIP-NS followed by UNIP-HNS and UNIP-NS. UNIP-HNS created larger surface lesions and greater maximum lesion width under the surface than those by UNIP-NS and BIP-NS. Endocardial lesion depth in UNIP-HNS and BIP-NS were deeper than that in UNIP-NS, but with no difference between UNIP-HNS and BIP-NS, when selecting non-transmural lesions. Similar results were obtained when all lesions (non-transmural and transmural) were included and endocardial lesion depth of the transmural lesions (13/30 applications of BIP-NS) was estimated as 50 % of the myocardial thickness. Lesion length in the transverse myocardial wall (endocardial plus epicardial lesions) was greatest in BIP-NS.</p><p><strong>Conclusions: </strong>Longer application time ablation (30 W) targeting the thick myocardium was performable in UNIP-HNS and BIP-NS. Since a transmural lesion and/or a deeper lesion into the myocardial wall are created, BIP-NS is preferable if two ablation catheters can be positioned on either side of the target.</p>","PeriodicalId":35900,"journal":{"name":"Indian Pacing and Electrophysiology Journal","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-11-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142644086","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}

引用次数: 0

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 : 2024-11-08 DOI: 10.1016/j.ipej.2024.11.001

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

引用次数: 0

Spatial relationship between evoked delayed potentials and deceleration zones of an isochronal late activation map in a patient with sarcoid-related ventricular tachycardia. 一名肉瘤相关性室性心动过速患者的诱发延迟电位与等时后期激活图减速区之间的空间关系。

Indian Pacing and Electrophysiology Journal Pub Date : 2024-11-04 DOI: 10.1016/j.ipej.2024.10.007

Tomomasa Takamiya, Takashi Miyamoto, Shinsuke Miyazaki, Tetsuo Sasano

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

Comparison of rhythm versus rate control of atrial fibrillation in heart failure subgroups: Systematic review and meta-analysis of randomized controlled trials 心力衰竭亚组心房颤动节律控制与心率控制的比较：随机对照试验的系统回顾和荟萃分析。

Indian Pacing and Electrophysiology Journal Pub Date : 2024-11-01 DOI: 10.1016/j.ipej.2024.09.004

Rabbia Siddiqi , Anas Fares , Mona Mahmoud , Kanwal Asghar , Ragheb Assaly , Ehab Eltahawy , Blair Grubb , George V. Moukarbel

{"title":"Comparison of rhythm versus rate control of atrial fibrillation in heart failure subgroups: Systematic review and meta-analysis of randomized controlled trials","authors":"Rabbia Siddiqi , Anas Fares , Mona Mahmoud , Kanwal Asghar , Ragheb Assaly , Ehab Eltahawy , Blair Grubb , George V. Moukarbel","doi":"10.1016/j.ipej.2024.09.004","DOIUrl":"10.1016/j.ipej.2024.09.004","url":null,"abstract":"<div><div>Patients with concurrent heart failure (HF) and atrial fibrillation (AF) have poor outcomes. Randomized clinical trials comparing rhythm control approaches to rate control of AF have yielded conflicting results and there is a paucity of updated and comprehensive evidence summaries to inform best practice in HF patients. We therefore conducted a systematic review and meta-analysis to compare outcomes with rhythm versus rate control of AF in various subgroups of HF patients. In HF patients overall, we found high certainty evidence that rhythm control decreased all-cause and cardiovascular mortality (hazard ratio [HR, 95 % confidence interval] 0.64 [0.43–0.94]) and HR 0.50 [0.34–0.74] respectively). Rhythm control was associated with decreased HF hospitalization (risk ratio [RR] 0.79 [0.63–0.99], moderate certainty), but did not significantly decrease thromboembolic events (RR 0.67 [0.32–1.39], low certainty). The mean difference in left ventricular ejection fraction [LVEF] from baseline to last follow-up was greater in rhythm control group by 6.01 % [2.73–9.28 %] compared with rate control. Subgroup analyses by age, HF etiology (ischemic or non-ischemic), LVEF, presence of diabetes and hypertension did not reveal any significant differences in treatment effect. The survival and hospitalization reduction benefit of rhythm control of AF in HF patients likely reflects the success of catheter ablation especially in HF with reduced ejection fraction. These data are important to guide shared decision-making when managing AF in HF patients.</div></div>","PeriodicalId":35900,"journal":{"name":"Indian Pacing and Electrophysiology Journal","volume":"24 6","pages":"Pages 321-329"},"PeriodicalIF":0.0,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11662409/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142297255","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

The Janus Heads of ventricular Tachycardia: Single-circuit with dual exits 室性心动过速的杰纳斯头：单回路双出口。

Indian Pacing and Electrophysiology Journal Pub Date : 2024-11-01 DOI: 10.1016/j.ipej.2024.08.005

Devendra S. Bisht, Kamal Kishor

引用次数: 0

A case report of a combined implantation technique of a cardioverter-defibrillator in an infant with long QT syndrome type 8 (Timothy's syndrome) 长 QT 8 型综合征（蒂莫西综合征）婴儿心律转复除颤器联合植入技术病例报告。

Indian Pacing and Electrophysiology Journal Pub Date : 2024-11-01 DOI: 10.1016/j.ipej.2024.09.002

Sergei Viktorovich Nemtsov , Roman Borisovich Tatarskiy , Sergei Arturovich Termosesov , Dmitriy Sergeevich Lebedev

引用次数: 0