{"doi":"10.1093/europace/euad122.227","title":"Catheter ablation of left atrial tachyarrhythmia: predictors of recurrence after catheter ablation","abstract":"<jats:title>Abstract</jats:title>\n               <jats:sec>\n                  <jats:title>Funding Acknowledgements</jats:title>\n                  <jats:p>Type of funding sources: None.</jats:p>\n               </jats:sec>\n               <jats:sec>\n                  <jats:title>Background</jats:title>\n                  <jats:p>Differently from catheter ablation (CA) of atrial fibrillation (AF), outcome data on CA of atrial re-entrant arrhythmias are scarce.</jats:p>\n               </jats:sec>\n               <jats:sec>\n                  <jats:title>Purpose</jats:title>\n                  <jats:p>We sought to evaluate predictors of recurrence at follow up in this setting.</jats:p>\n               </jats:sec>\n               <jats:sec>\n                  <jats:title>Methods</jats:title>\n                  <jats:p>We analysed consecutive patients undergoing mapping and CA left atrial tachyarrhythmia. Three-dimensional high-density activation and voltage maps were created for each investigated tachycardia by means of CARTO® system. Left atrial (LA) size was measured as the anteroposterior diameter on parasternal long axis view on transthoracic echocardiogram. Severe LA enlargement was defined for LA diameter &amp;gt;47 mm in women and &amp;gt;52 mm in men in accordance with guidelines.</jats:p>\n               </jats:sec>\n               <jats:sec>\n                  <jats:title>Results</jats:title>\n                  <jats:p>Eighty-eight patients were considered (67 ± 9 years old, 45% males) undergoing 94 CA procedures (1.1 ± 0.3 per patient). Most patient had past medical history of pulmonary vein isolation (57%). In the investigated population, 120 tachycardia morphologies were mapped and ablated. Acute procedural success was achieved in 97% of cases without any major complication. After a mean follow-up of 17 ± 11 months, the overall freedom from atrial arrhythmia was 58% and 65% after single and repeat procedures, respectively. Severe LA enlargement was the only variable associated with arrhythmia recurrence at follow-up and it was consistent after single and repeat procedures (Figure 1 A-B).</jats:p>\n               </jats:sec>\n               <jats:sec>\n                  <jats:title>Conclusion</jats:title>\n                  <jats:p>CA of complex left atrial tachyarrhythmia is safe and effective, and the mid- and long-term outcome is improved when LA is not severely enlarged. CA of should therefore be considered early in this patient population to achieve better clinical outcome.</jats:p>\n               </jats:sec>","journal":"Europace","year":2023,"id":634835,"datarank":0.0,"base_score":0.0,"endowment":0.0,"self_citation_contribution":0.0,"citation_network_contribution":0.0,"self_endowment_contribution":0.0,"citer_contribution":0.0,"corpus_percentile":null,"corpus_rank":null,"citation_count":0,"citer_count":0,"citers_with_citation_signal":0,"citers_with_endowment":0,"datacite_reuse_total":0,"is_dataset":false,"is_dataset_confidence":null,"is_data_producer":false,"deposit_databanks":null,"is_oa":false,"file_count":0,"downloads":0,"has_version_chain":false,"published_date":null,"fair_score":null,"fair_percentile":null,"algorithm_id":"datarank_citation_only_1hop_v6","ranking_scope":"data_only","authors":[{"id":894062,"name":"X Zhang","orcid":"0009-0007-2320-5999","position":1,"is_corresponding":false},{"id":1646700,"name":"A Lin","orcid":null,"position":2,"is_corresponding":false},{"id":1646702,"name":"D Varrias","orcid":null,"position":3,"is_corresponding":false},{"id":1646703,"name":"S Nagraj","orcid":null,"position":4,"is_corresponding":false},{"id":1646704,"name":"S Saouma","orcid":null,"position":5,"is_corresponding":false},{"id":1646705,"name":"N Chowdhuri","orcid":null,"position":6,"is_corresponding":false},{"id":1646706,"name":"A Chaudhary","orcid":null,"position":7,"is_corresponding":false},{"id":1646707,"name":"A Velasco De La Cuesta","orcid":null,"position":8,"is_corresponding":false},{"id":1646708,"name":"D G Della Rocca","orcid":null,"position":9,"is_corresponding":false},{"id":1646709,"name":"P Santangeli","orcid":null,"position":10,"is_corresponding":false},{"id":1646710,"name":"D Lakkireddy","orcid":null,"position":11,"is_corresponding":false},{"id":1646711,"name":"A Natale","orcid":null,"position":12,"is_corresponding":false},{"id":1646712,"name":"F Zou","orcid":null,"position":13,"is_corresponding":false},{"id":1646713,"name":"L Di Biase","orcid":null,"position":14,"is_corresponding":false},{"id":1646699,"name":"J Marazzato","orcid":null,"position":0,"is_corresponding":false}],"reference_count":0,"raw_metadata":{"has_enrichment":true,"resolved":true,"title":"Catheter ablation of left atrial tachyarrhythmia: predictors of recurrence after catheter ablation","abstract":"<jats:title>Abstract</jats:title>\n               <jats:sec>\n                  <jats:title>Funding Acknowledgements</jats:title>\n                  <jats:p>Type of funding sources: None.</jats:p>\n               </jats:sec>\n               <jats:sec>\n                  <jats:title>Background</jats:title>\n                  <jats:p>Differently from catheter ablation (CA) of atrial fibrillation (AF), outcome data on CA of atrial re-entrant arrhythmias are scarce.</jats:p>\n               </jats:sec>\n               <jats:sec>\n                  <jats:title>Purpose</jats:title>\n                  <jats:p>We sought to evaluate predictors of recurrence at follow up in this setting.</jats:p>\n               </jats:sec>\n               <jats:sec>\n                  <jats:title>Methods</jats:title>\n                  <jats:p>We analysed consecutive patients undergoing mapping and CA left atrial tachyarrhythmia. Three-dimensional high-density activation and voltage maps were created for each investigated tachycardia by means of CARTO® system. Left atrial (LA) size was measured as the anteroposterior diameter on parasternal long axis view on transthoracic echocardiogram. Severe LA enlargement was defined for LA diameter &amp;gt;47 mm in women and &amp;gt;52 mm in men in accordance with guidelines.</jats:p>\n               </jats:sec>\n               <jats:sec>\n                  <jats:title>Results</jats:title>\n                  <jats:p>Eighty-eight patients were considered (67 ± 9 years old, 45% males) undergoing 94 CA procedures (1.1 ± 0.3 per patient). Most patient had past medical history of pulmonary vein isolation (57%). In the investigated population, 120 tachycardia morphologies were mapped and ablated. Acute procedural success was achieved in 97% of cases without any major complication. After a mean follow-up of 17 ± 11 months, the overall freedom from atrial arrhythmia was 58% and 65% after single and repeat procedures, respectively. Severe LA enlargement was the only variable associated with arrhythmia recurrence at follow-up and it was consistent after single and repeat procedures (Figure 1 A-B).</jats:p>\n               </jats:sec>\n               <jats:sec>\n                  <jats:title>Conclusion</jats:title>\n                  <jats:p>CA of complex left atrial tachyarrhythmia is safe and effective, and the mid- and long-term outcome is improved when LA is not severely enlarged. CA of should therefore be considered early in this patient population to achieve better clinical outcome.</jats:p>\n               </jats:sec>","is_dataset_classified":null,"base_score":0.0,"endowment":0.0,"datacite_reuse_total":0,"file_count":0,"downloads":0,"views":0,"has_version_chain":false,"is_dataset":false,"is_oa":false,"pmid":"19767382","pmcid":"PMC10207008","openalex_id":"https://openalex.org/W4377984071","authors":[],"funders":[],"total_grants":0,"fwci":0.0,"citation_percentile":0.14231448,"influential_citations":0,"citation_trend":[],"oa_status":"hybrid","license":"cc-by-nc-nd","oa_locations":[{"url":"https://academic.oup.com/europace/article-pdf/25/Supplement_1/euad122.227/50428295/euad122.227.pdf","host_type":"journal"},{"url":"https://academic.oup.com/europace/article-pdf/25/Supplement_1/euad122.227/50428295/euad122.227.pdf","host_type":"HYBRID"},{"url":"https://academic.oup.com/europace/article-pdf/25/Supplement_1/euad122.227/50428295/euad122.227.pdf","host_type":"publisher"},{"url":"https://doi.org/10.1093/europace/euad122.227","host_type":"journal"},{"url":"https://www.ncbi.nlm.nih.gov/pmc/articles/10207008","host_type":"repository"},{"url":"https://pmc.ncbi.nlm.nih.gov/articles/PMC10207008/pdf/euad122.227.pdf","host_type":"repository"}],"fields_of_study":["Atrial Fibrillation Management and Outcomes","Cardiac Arrhythmias and Treatments","Cardiac pacing and defibrillation studies","Medicine"],"mesh_terms":[],"keywords":["Medicine","Atrial fibrillation","Catheter ablation","Atrial tachycardia","Cardiology","Internal medicine","Ablation","Tachycardia","Parasternal line","Left atrial enlargement","Pulmonary vein","Population","Surgery","Sinus rhythm"],"sdg_mappings":[],"linked_datasets":[],"clinical_trials":[],"software_tools":[],"database_accessions":[],"source":"live","citation_network_status":"fetched"},"created_at":"2026-08-06T14:15:05.108520Z","pmid":null,"pmcid":null,"fwci":null,"citation_percentile":null,"influential_citations":0,"oa_status":null,"license":null,"views":0,"total_file_size_bytes":0,"version_count":0,"fair_f":null,"fair_a":null,"fair_i":null,"fair_r":null,"fair_zscore":null,"fair_rationale":null,"fair_model":null,"fair_agent_version":null,"fair_fulltext_source":null,"fair_has_llm":null,"fair_computed_at":null,"clinical_trials":[],"software_tools":[],"db_accessions":[],"linked_datasets":[],"topics":[]}