{"title":"Treatment of atrial tachycardia arising after superior transseptal approach mitral valve surgery: Insights from ultra-high-density mapping to prevent atrioventricular block.","authors":"Satoshi Hara, Shigeki Kusa, Naoyuki Miwa, Hidenori Hirano, Tadanori Nakata, Junichi Doi, Yun Teng, Yoshikazu Satoh, Kazuya Yamao, Hitoshi Hachiya","doi":"10.1111/pace.14569","DOIUrl":"https://doi.org/10.1111/pace.14569","url":null,"abstract":"<p><strong>Introduction: </strong>Mitral valve surgery employing a superior transseptal approach (STA) is associated with arrhythmogenicity and intra-atrial conduction delay, despite being optimal for visualization of the surgical field. It is sometimes difficult to treat atrial tachycardias (AT) that arise after STA. To investigate AT circuits that arise after STA in detail in order to identify the optimal ablation line, using ultra-high-resolution mapping (UHRM).</p><p><strong>Methods: </strong>We retrospectively analyzed 12 AT from 10 patients (median age 70 years, nine males) who had undergone STA surgery. The tachycardias were mapped using the Rhythmia mapping system (Boston Scientific, Natick, Massachusetts).</p><p><strong>Results: </strong>The 12 STA-related AT (STA-AT) circuits were classifiable as follows according to location of the optimal ablation line: (1) peri-septal incision STA-AT (n = 3), (2) cavotricuspid isthmus (CTI) dependent STA-AT (n = 7), and (3) biatrial tachycardia (n = 2). Radiofrequency (RF) application terminated 11 of the 12 STA-AT. We found that difference in STA-AT circuit type was due to characteristics of the septal incision line made for STA. UHRM was important in identifying optimal ablation sites that did not create additional conduction disturbances in the right atrium (RA).</p><p><strong>Conclusions: </strong>ATs after STA involve complex arrhythmia circuits due to multiple and long incision lines in the RA. Accurate understanding of the arrhythmia circuit and sinus conduction in the RA after STA is recommended for treating post-surgical tachycardia in a minimally invasive manner.</p>","PeriodicalId":520740,"journal":{"name":"Pacing and clinical electrophysiology : PACE","volume":" ","pages":"1042-1050"},"PeriodicalIF":1.8,"publicationDate":"2022-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"40539728","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}
Valentino Ducceschi, Marcello De Divitiis, Giovanni Domenico Ciriello, Paolo Gallo
{"title":"Leadless pacemaker in Twiddler's syndrome: A case report.","authors":"Valentino Ducceschi, Marcello De Divitiis, Giovanni Domenico Ciriello, Paolo Gallo","doi":"10.1111/pace.14560","DOIUrl":"https://doi.org/10.1111/pace.14560","url":null,"abstract":"<p><p>Twiddler's syndrome is a rare cause of pacemaker lead dislodgement. We present the case of a 49-year-old male patient with Down's syndrome implanted with a dual chamber pacemaker showing high ventricular impedance, no sensing, and complete loss of capture for both leads at the 3-month follow-up due to Twiddler Syndrome. The dislocated device was removed, and an endocardial leadless pacing system was implanted.</p>","PeriodicalId":520740,"journal":{"name":"Pacing and clinical electrophysiology : PACE","volume":" ","pages":"1062-1064"},"PeriodicalIF":1.8,"publicationDate":"2022-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"40562919","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}
Yi-Kai Cui, Jian-Zeng Dong, Xin Du, Rong Hu, Liu He, De-Yong Long, Rong Bai, Rong-Hui Yu, Cai-Hua Sang, Chen-Xi Jiang, Nian Liu, Song-Nan Li, Wei Wang, Xue-Yuan Guo, Xin Zhao, Song Zuo, Ri-Bo Tang, Chang-Sheng Ma
{"title":"Outcome of catheter ablation for paroxysmal atrial fibrillation in patients with stable coronary artery disease.","authors":"Yi-Kai Cui, Jian-Zeng Dong, Xin Du, Rong Hu, Liu He, De-Yong Long, Rong Bai, Rong-Hui Yu, Cai-Hua Sang, Chen-Xi Jiang, Nian Liu, Song-Nan Li, Wei Wang, Xue-Yuan Guo, Xin Zhao, Song Zuo, Ri-Bo Tang, Chang-Sheng Ma","doi":"10.1111/pace.14571","DOIUrl":"https://doi.org/10.1111/pace.14571","url":null,"abstract":"<p><strong>Background: </strong>Atrial fibrillation (AF) and stable coronary artery disease (SCAD) frequently coexist. This study aimed to assess the long-term outcome of catheter ablation in patients with paroxysmal AF and SCAD.</p><p><strong>Methods: </strong>In total, 12,104 patients with paroxysmal AF underwent catheter ablation in the Chinese Atrial Fibrillation Registry between 2011 and 2019 were screened. A total of 441 patients with SCAD were matched with patients without SCAD in a 1:4 ratio. The primary endpoint was AF recurrence after single ablation. The composite secondary endpoints were thromboembolism, coronary events, major bleeding, all-cause death.</p><p><strong>Results: </strong>Over a mean follow-up of 46.0 ± 18.9 months, the recurrence rate in patients with SCAD was significantly higher after a single ablation (49.0% vs. 41.9%, p = .03). The very late recurrence rate of AF in the SCAD group was also significantly higher than that in the control group (38.9% vs. 31.2%;p = .04). In multivariate analysis, adjusted with the female, smoking, duration of AF, previous thromboembolism, COPD, and statins, SCAD was independently associated with AF recurrence (adjusted HR, 1.19 [1.02-1.40], p = .03). The composite secondary endpoints were significantly higher in the SCAD group (12.70% vs. 8.54%, p = .02), mainly due to thromboembolism events (8.16% vs. 4.41%, p < .01).</p><p><strong>Conclusions: </strong>SCAD significantly increased the risk of recurrence after catheter ablation of paroxysmal AF. The incidence of thromboembolic events after catheter ablation of paroxysmal AF in the patients with SCAD was significantly higher than that in those without SCAD.</p>","PeriodicalId":520740,"journal":{"name":"Pacing and clinical electrophysiology : PACE","volume":" ","pages":"1032-1041"},"PeriodicalIF":1.8,"publicationDate":"2022-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"40614927","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}
Ayse Sulu, Hasan Candas Kafali, Gulhan Tunca Sahin, Yakup Ergul
{"title":"Electrocardiographic and electrophysiological characteristics of fasciculoventricular fibers in children.","authors":"Ayse Sulu, Hasan Candas Kafali, Gulhan Tunca Sahin, Yakup Ergul","doi":"10.1111/pace.14568","DOIUrl":"https://doi.org/10.1111/pace.14568","url":null,"abstract":"<p><strong>Objectives: </strong>Fasciculoventricular fiber (FVF) that does not cause tachyarrhythmia is a rare form of ventricular preexcitation, which is important to distinguish from Kent fibers. Although, adenosine and some electrocardiographic features are important in the differentiation of Wolff Parkinson White (WPW) than FVF, a clear distinction may not always be possible without an electrophysiological study (EPS). In this study, we aimed to present the clinical and electrophysiological features of our pediatric patients with fasciculoventricular fiber.</p><p><strong>Patients and method: </strong>Between October 2013 and September 2021, 565 patients who underwent electrophysiological studies due to ventricular preexcitation in our clinic were screened in the study, and 27 (4.7%) patients with fasciculoventricular fiber were included. The data of the patients were obtained from the file records using the electronic internet database system Filemaker<sup>®</sup> . Electrophysiological study age, weight, gender, symptom, and presence of congenital heart disease of the patients were obtained from the file records. Accessory pathway localization was evaluated according to the modified Arruda algorithm in pre-procedural electrocardiography. In addition, delta wave amplitudes were measured in the first 40 ms from the surface ECG. PR interval, QRS interval, and delta wave amplitude were recorded before and after ablation in patients with additional accessory pathways. Post-procedure values were included in the FVF group.</p><p><strong>Results: </strong>The mean age of the patients was 11.47 ± 4.25 years. All 70.4% of the reasons for admission were symptoms such as palpitations and syncope. Two patients had hypertrophic cardiomyopathy and 1 patient had ccTGA. In the electrophysiological study, additional manifest WPW was found in 9 (33%) patients (3 patients with high risk, 6 patients with orthodromic supraventricular tachycardia), focal atrial tachycardia in a patient, and atrioventricular nodal reentry tachycardia in a patient. While the delta wave amplitude was found to be 2.56 ± 1.38(1-5.5) mm in the first 40 ms in surface electrocardiography in 9 patients with additional accessory pathway, it was found to be 1.64 ± 0.67(0.5-3) mm in the FVF group. There was no statistically significant difference between the 2 groups (p = .398). Delta wave amplitude > 3.5 mm was not detected in any patient with isolated FVF. Interestingly, delta wave amplitude was < 3.5 mm in 7 (78%) of 9 patients who were identified and ablated with an additional accessory pathway. Total 19 of the patients (59.3%) were adenosine-responsive (18 isolated FVF, 1 manifest AP+FVF adenosine-responsive. 8 patients with other manifest AP + FVF had no pre-procedural adenosine-asystole response, and all of them QRS were expanded).</p><p><strong>Conclusion: </strong>Although, the fasciculoventricular fibers themselves are not the cause of tachyarrhythmia, the accessory pathway and othe","PeriodicalId":520740,"journal":{"name":"Pacing and clinical electrophysiology : PACE","volume":" ","pages":"1165-1171"},"PeriodicalIF":1.8,"publicationDate":"2022-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"40528934","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}
Yue Wei, Lin Chen, Jiang Cao, Shaowen Liu, Tianyou Ling, Xinmiao Huang, Genqing Zhou, Changjian Lin, Yun Xie, Yangyang Bao, Qingzhi Luo, Jiawen Ye, Ning Zhang, Qi Jin, Liqun Wu
{"title":"Long-term outcomes of a time to isolation - based strategy for cryoballoon ablation compared to radiofrequency ablation in patients with symptomatic paroxysmal atrial fibrillation.","authors":"Yue Wei, Lin Chen, Jiang Cao, Shaowen Liu, Tianyou Ling, Xinmiao Huang, Genqing Zhou, Changjian Lin, Yun Xie, Yangyang Bao, Qingzhi Luo, Jiawen Ye, Ning Zhang, Qi Jin, Liqun Wu","doi":"10.1111/pace.14556","DOIUrl":"https://doi.org/10.1111/pace.14556","url":null,"abstract":"<p><strong>Background: </strong>Cryoballoon ablation (CBA) is one of the most commonly used technologies designed for pulmonary vein isolation (PVI) for paroxysmal atrial fibrillation (PAF), although the dosing of CBA remains controversial. We evaluated the long-term efficacy and safety of a novel individualized strategy of CBA compared to radiofrequency ablation (RFA) for patients with PAF.</p><p><strong>Methods: </strong>In this observational study, symptomatic patients with drug-refractory paroxysmal AF were prospectively consented and enrolled in four centers, being assigned either to the CBA or RFA arm for ablation. In the CBA group, we used a time to isolation (TTI) - based dosing protocol. The primary endpoint was the recurrence of atrial arrhythmia >30 s following a 90-day blanking period. The secondary endpoint was procedure-related complications and procedure parameters.</p><p><strong>Results: </strong>A total of 500 patients were recruited in either the CBA group (n = 247) or the RFA group (n = 253) between January 2017 and July 2018. After a median follow-up of 778 days, the atrial tachyarrhythmia-free survival was 71.7% in the CBA group and 67.0% in the RFA group. CBA and RFA displayed similar major or minor complication occurrence, while the former had a significantly shorter procedure duration (82.5 min vs. 141.1 min, p < .001) and left atrial dwell time (60.1 min vs. 109.9 min, p < .001) but longer fluoroscopy exposure (13.8 min vs. 8.1 min, p < .001).</p><p><strong>Conclusion: </strong>Compared to RFA, our TTI-based CBA dosing protocol showed comparable efficacy and safety, with a significantly reduced procedure duration in patients with PAF.</p>","PeriodicalId":520740,"journal":{"name":"Pacing and clinical electrophysiology : PACE","volume":" ","pages":"1015-1023"},"PeriodicalIF":1.8,"publicationDate":"2022-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"40408458","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}
Brigitte Kast, Christian Balmer, Matthias Gass, Florian Berger, Rippel Constance
{"title":"Inducibility of atrioventricular nodal reentrant tachycardia and ectopic atrial tachycardia in children under general anesthesia.","authors":"Brigitte Kast, Christian Balmer, Matthias Gass, Florian Berger, Rippel Constance","doi":"10.1111/pace.14566","DOIUrl":"https://doi.org/10.1111/pace.14566","url":null,"abstract":"<p><strong>Background: </strong>In children, invasive electrophysiological studies (EPS) and radiofrequency catheter ablations (RFA) of supraventricular tachycardia (SVT) are often performed under general anesthesia. Atrioventricular nodal reentrant tachycardia (AVNRT) and ectopic atrial tachycardia (EAT) must be inducible during EPS as reliable diagnosis and subsequent therapy are not possible in sinus rhythm. This study aims to assess the problem of noninducible AVNRT and EAT under general anesthesia.</p><p><strong>Methods and results: </strong>Anesthesia protocols of 166 patients undergoing EPS were retrospectively analyzed. 122 AVNRT patients were compared to 22 whose tachycardia was not inducible but probably due to an AVNRT mechanism. Another 16 patients with inducible EAT were compared to 6 whose EAT appeared on surface ECG but not during EPS. Demographic characteristics were similar among all groups. Inducibility did not differ (p = .42) between AVNRT patients with inhalational anesthesia (sevoflurane and/or nitrous oxide) and patients with intravenous anesthesia (propofol with/without remifentanil). The EAT group exhibited lower inducibility under intravenous anesthesia (64%) than under inhalational (88%), however without significance (p = .35).</p><p><strong>Conclusion: </strong>Tachycardia induction succeeds with similar frequency under both inhalational and intravenous general anesthesia in children with AVNRT. In children with EAT, inhalational anesthesia is associated with a trend towards better inducibility.</p>","PeriodicalId":520740,"journal":{"name":"Pacing and clinical electrophysiology : PACE","volume":" ","pages":"1009-1014"},"PeriodicalIF":1.8,"publicationDate":"2022-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"40620843","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}
Haojie Zhu, Zhao Wang, Xiaofei Li, Yan Yao, Weijian Huang, Zhimin Liu, Xiaohan Fan
{"title":"The initial experience of left bundle branch area pacing in patients with hypertrophic cardiomyopathy.","authors":"Haojie Zhu, Zhao Wang, Xiaofei Li, Yan Yao, Weijian Huang, Zhimin Liu, Xiaohan Fan","doi":"10.1111/pace.14563","DOIUrl":"https://doi.org/10.1111/pace.14563","url":null,"abstract":"<p><strong>Purpose: </strong>Whether left bundle branch area pacing (LBBAP) could be achieved in patients with hypertrophic cardiomyopathy (HCM) requiring ventricular pacing remains unknown. The present study aimed to investigate the feasibility and effect of LBBAP in HCM.</p><p><strong>Methods: </strong>Patients with HCM who underwent LBBAP were recruited from November 2018 to September 2021. Clinical characteristics, echocardiographic, and pacing parameters were prospectively collected at baseline and during follow-up.</p><p><strong>Results: </strong>Eleven consecutive HCM patients who attempted LBBAP were included (mean age 64.0 ± 8.7 years, female 45.5%, mean interventricular septum 16.7 mm). The success rate of LBBAP was 36.4% (4/11) and the reason for failed LBBAP in other seven HCM patients was the inability to screw the lead into the deep septum or capture the left bundle branch. Patients with successful LBBAP had significantly narrower QRS duration than those with failed cases (118.0 ± 3.7 ms vs. 140.9 ± 9.4 ms, p = .01) while the capture thresholds, sensing amplitudes, and pacing impedances were similar. Successful cases presented with less positive late gadolinium enhancement (25.0% vs. 71.4%, p = .02) and thinner interventricular septum thickness (14.5 ± 1.0 mm vs. 18.0 ± 2.5 mm, p = .02) compared with failed cases. Pacing parameters remained stable and no procedure-related complications occurred during a mean follow-up of 8.9 ± 7.3 months.</p><p><strong>Conclusion: </strong>LBBAP may be successfully achieved in less than half of HCM patients due to thick interventricular septum and heavy burden of myocardial fibrosis. Pacing strategies should be cautiously considered in patients with HCM.</p>","PeriodicalId":520740,"journal":{"name":"Pacing and clinical electrophysiology : PACE","volume":" ","pages":"1065-1074"},"PeriodicalIF":1.8,"publicationDate":"2022-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"40661148","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}
Harshil Patel, Marc Zughaib, Dhruv Rajpurohit, Cameron Whitler, Frank Kalaba, Christopher Bradley, Marcel Zughaib
{"title":"Dearth of electrophysiology fellows: perspectives from cardiology fellows-in-training.","authors":"Harshil Patel, Marc Zughaib, Dhruv Rajpurohit, Cameron Whitler, Frank Kalaba, Christopher Bradley, Marcel Zughaib","doi":"10.1111/pace.14554","DOIUrl":"https://doi.org/10.1111/pace.14554","url":null,"abstract":"<p><strong>Background: </strong>Over the last 6 years, there has been a high percentage of unfilled cardiac electrophysiology (EP) training spots each year. The authors aimed to investigate potential explanations for the unfilled positions based on a survey from the current Fellows-In-Training (FITs).</p><p><strong>Methods: </strong>An attempt was made to reach the current cardiology FITs across all programs of the U.S. via email. An anonymous questionnaire was created consisting of 14 questions. Questions posed were regarding factors affecting each participant's interest in or lack of pursuing an EP fellowship. Descriptive statistics of the responses were performed.</p><p><strong>Results: </strong>A total of 26% (35/134) respondents expressed their interest in applying to an EP fellowship. The most common reasons to apply to EP were: Interest in EP, procedural specialty, and work-life balance. Of the 99 respondents that were not applying to EP, the most common reasons not to apply were: Less interest in EP, two-year training duration, and complexity of the specialty. The top reasons for the fellows to believe there is a dearth of EP FITs were: two-year training duration, lack of interest in EP, and the complexity of the specialty. The changes that would encourage EP fellowship interest were: More exposure to EP training during general cardiology fellowship, shortening the EP training duration, and having more information available regarding employment opportunities.</p><p><strong>Conclusion: </strong>The study was able to identify factors responsible for vacancies in EP fellowship positions from the view of current cardiology FITs. Stakeholders at the national level involved in framing policies related to fellowship education would be able to utilize this information to address the shortage of EP FITs and increase recruitment to EP fellowships.</p>","PeriodicalId":520740,"journal":{"name":"Pacing and clinical electrophysiology : PACE","volume":" ","pages":"950-957"},"PeriodicalIF":1.8,"publicationDate":"2022-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"40472331","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}
Moneeb Khalaph, Philipp Sommer, Philipp Lucas, Denise Guckel, Thomas Fink, Vanessa Sciacca, Mustapha El Hamriti, Guram Imnadze, Martin Braun, Christian Sohns, Leonard Bergau
{"title":"First clinical experience using a visualized sheath for atrial fibrillation ablation.","authors":"Moneeb Khalaph, Philipp Sommer, Philipp Lucas, Denise Guckel, Thomas Fink, Vanessa Sciacca, Mustapha El Hamriti, Guram Imnadze, Martin Braun, Christian Sohns, Leonard Bergau","doi":"10.1111/pace.14555","DOIUrl":"https://doi.org/10.1111/pace.14555","url":null,"abstract":"<p><strong>Introduction: </strong>Recently, a novel steerable sheath allowing its real-time visualization within a 3D-mapping system was introduced to facilitate atrial fibrillation (AF) ablation.</p><p><strong>Aim: </strong>This study aimed to assess safety and efficacy of AF ablation using the visualized sheath and to compare its performance with a matched control group of patients who received ablation with conventional and non-visualized sheaths.</p><p><strong>Methods: </strong>The study included consecutive patients between 09/2019 and 02/2021 who underwent routine AF ablation using the visualized sheath. Patients were regularly followed-up in our outpatient's clinic. Arrhythmia recurrence was defined as any atrial fibrillation (AF)/ atrial tachycardia (AT) episode lasting > 30 s after a blanking period of 3 months.</p><p><strong>Results: </strong>A total number of 100 patients undergoing ablation using the visualized sheath were compared to a group of 99 matched patients. No major complications were observed. Total procedure duration (108 ± 22 min vs. 112 ± 12 min; p = 0.045), fluoroscopy time (7 ± 3 min vs. 10 ± 5 min; p < 0.001) and -dose (507 ± 501 cGy*cm<sup>2</sup> vs. 783 ± 433 cGy*cm<sup>2</sup> ; p < 0.001) were significantly lower using the visualized sheath. The benefit in terms of procedure duration was mainly driven by a shortened left atrial dwell time (73 ± 13 min vs. 79 ± 12 min; p = 0.001). During a mean follow-up of 12 months, the overall procedural success was 85% in the visualized sheath group versus 83% in the control group (p = 0.948).</p><p><strong>Conclusion: </strong>AF ablation using the novel visualized sheath is safe and effective and leads to a measurable decrease of procedure duration and radiation exposure. The integration of the novel sheath might help to further improve safety and efficacy of AF ablation.</p>","PeriodicalId":520740,"journal":{"name":"Pacing and clinical electrophysiology : PACE","volume":" ","pages":"922-929"},"PeriodicalIF":1.8,"publicationDate":"2022-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"39986837","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}
Supavit Chesdachai, John R Go, Leslie C Hassett, Larry M Baddour, Daniel C DeSimone
{"title":"The utility of postoperative systemic antibiotic prophylaxis following cardiovascular implantable electronic device implantation: A systematic review and meta-analysis.","authors":"Supavit Chesdachai, John R Go, Leslie C Hassett, Larry M Baddour, Daniel C DeSimone","doi":"10.1111/pace.14561","DOIUrl":"https://doi.org/10.1111/pace.14561","url":null,"abstract":"<p><strong>Background: </strong>There is insufficient evidence regarding postoperative systemic antibiotic prophylaxis use for more than 24 h following cardiovascular implantable electronic devices (CIED) implantation and its impact on infection prevention. However, this strategy remains a common practice in many institutions.</p><p><strong>Methods: </strong>We conducted a systematic review and meta-analysis including studies that compared the outcomes of patients: (1) who received preoperative plus 24 h or more of postoperative antibiotic prophylaxis (intervention group); and (2) who received either preoperative only or preoperative plus less than 24 h of antibiotic prophylaxis (control group). Risk of bias was assessed with ROBINS-I and ROB-2 tools. Risk ratio (RR) was pooled using random-effect meta-analyses with inverse variance method.</p><p><strong>Results: </strong>Eight studies that included two randomized controlled trials (RCTs) and six cohort studies with a total of 26,187 patients were included in the analysis. Overall, there were no differences in outcomes between the two groups, which included rates of CIED infection (RR 0.77, 95% CI 0.42, 1.42), mortality (RR 1.19, 95% CI 0.69, 2.06), pocket hematoma (RR 1.15, 95% CI 0.44, 3.00) or reintervention (RR 0.87, 95% CI 0.22, 3.46). Of note, the results were primarily impacted by the larger RCT.</p><p><strong>Conclusions: </strong>There was no benefit of postoperative antibiotic prophylaxis for more than 24 h following CIED implantation in the current systematic review and meta-analysis. This supports the practice advocated by current guidelines which foster antibiotic stewardship and may result in reductions of adverse drug events, selection for antibiotic resistance, and financial costs of prolonged postoperative antibiotic prophylaxis.</p>","PeriodicalId":520740,"journal":{"name":"Pacing and clinical electrophysiology : PACE","volume":" ","pages":"940-949"},"PeriodicalIF":1.8,"publicationDate":"2022-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"40595991","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}