{"id":"https://openalex.org/W4205183815","doi":"https://doi.org/10.23919/cinc53138.2021.9662796","title":"Spatiotemporal Behaviour of Human Persistent Atrial Fibrillation from Long-Duration Recordings","display_name":"Spatiotemporal Behaviour of Human Persistent Atrial Fibrillation from Long-Duration Recordings","publication_year":2021,"publication_date":"2021-09-13","ids":{"openalex":"https://openalex.org/W4205183815","doi":"https://doi.org/10.23919/cinc53138.2021.9662796"},"language":"en","primary_location":{"id":"doi:10.23919/cinc53138.2021.9662796","is_oa":false,"landing_page_url":"https://doi.org/10.23919/cinc53138.2021.9662796","pdf_url":null,"source":{"id":"https://openalex.org/S4363605378","display_name":"2021 Computing in Cardiology (CinC)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"conference"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2021 Computing in Cardiology (CinC)","raw_type":"proceedings-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5080602807","display_name":"Mahmoud Ehnesh","orcid":"https://orcid.org/0000-0003-2580-3603"},"institutions":[{"id":"https://openalex.org/I153648349","display_name":"University of Leicester","ror":"https://ror.org/04h699437","country_code":"GB","type":"education","lineage":["https://openalex.org/I153648349"]}],"countries":["GB"],"is_corresponding":true,"raw_author_name":"Mahmoud Ehnesh","raw_affiliation_strings":["School of Engineering, University of Leicester, Leicester, UK"],"affiliations":[{"raw_affiliation_string":"School of Engineering, University of Leicester, Leicester, UK","institution_ids":["https://openalex.org/I153648349"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100353862","display_name":"Xin Li","orcid":"https://orcid.org/0000-0002-4018-6220"},"institutions":[{"id":"https://openalex.org/I153648349","display_name":"University of Leicester","ror":"https://ror.org/04h699437","country_code":"GB","type":"education","lineage":["https://openalex.org/I153648349"]},{"id":"https://openalex.org/I2802040150","display_name":"Glenfield Hospital","ror":"https://ror.org/048a96r61","country_code":"GB","type":"healthcare","lineage":["https://openalex.org/I2802040150","https://openalex.org/I2802445252"]},{"id":"https://openalex.org/I34931013","display_name":"National Institute for Health and Care Research","ror":"https://ror.org/0187kwz08","country_code":"GB","type":"government","lineage":["https://openalex.org/I34931013"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Xin Li","raw_affiliation_strings":["Department of Cardiovascular Sciences, Glenfield Hospital, Leicester, UK","National Institute for Health Research Leicester Cardiovascular Biomedical Research Centre, Leicester, UK","School of Engineering, University of Leicester, Leicester, UK"],"affiliations":[{"raw_affiliation_string":"Department of Cardiovascular Sciences, Glenfield Hospital, Leicester, UK","institution_ids":["https://openalex.org/I2802040150"]},{"raw_affiliation_string":"National Institute for Health Research Leicester Cardiovascular Biomedical Research Centre, Leicester, UK","institution_ids":["https://openalex.org/I34931013"]},{"raw_affiliation_string":"School of Engineering, University of Leicester, Leicester, UK","institution_ids":["https://openalex.org/I153648349"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5077161386","display_name":"Tiago P. Almeida","orcid":"https://orcid.org/0000-0001-5346-6937"},"institutions":[{"id":"https://openalex.org/I153648349","display_name":"University of Leicester","ror":"https://ror.org/04h699437","country_code":"GB","type":"education","lineage":["https://openalex.org/I153648349"]},{"id":"https://openalex.org/I2802040150","display_name":"Glenfield Hospital","ror":"https://ror.org/048a96r61","country_code":"GB","type":"healthcare","lineage":["https://openalex.org/I2802040150","https://openalex.org/I2802445252"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Tiago P. Almeida","raw_affiliation_strings":["Department of Cardiovascular Sciences, Glenfield Hospital, Leicester, UK","School of Engineering, University of Leicester, Leicester, UK"],"affiliations":[{"raw_affiliation_string":"Department of Cardiovascular Sciences, Glenfield Hospital, Leicester, UK","institution_ids":["https://openalex.org/I2802040150"]},{"raw_affiliation_string":"School of Engineering, University of Leicester, Leicester, UK","institution_ids":["https://openalex.org/I153648349"]}]},{"author_position":"middle","author":{"id":null,"display_name":"Sidhu Bharat","orcid":null},"institutions":[{"id":"https://openalex.org/I2802040150","display_name":"Glenfield Hospital","ror":"https://ror.org/048a96r61","country_code":"GB","type":"healthcare","lineage":["https://openalex.org/I2802040150","https://openalex.org/I2802445252"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Sidhu Bharat","raw_affiliation_strings":["Department of Cardiovascular Sciences, Glenfield Hospital, Leicester, UK"],"affiliations":[{"raw_affiliation_string":"Department of Cardiovascular Sciences, Glenfield Hospital, Leicester, UK","institution_ids":["https://openalex.org/I2802040150"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5003830346","display_name":"Ibrahim Antoun","orcid":"https://orcid.org/0000-0002-4374-7476"},"institutions":[{"id":"https://openalex.org/I2802040150","display_name":"Glenfield Hospital","ror":"https://ror.org/048a96r61","country_code":"GB","type":"healthcare","lineage":["https://openalex.org/I2802040150","https://openalex.org/I2802445252"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Ibrahim Antoun","raw_affiliation_strings":["Department of Cardiovascular Sciences, Glenfield Hospital, Leicester, UK"],"affiliations":[{"raw_affiliation_string":"Department of Cardiovascular Sciences, Glenfield Hospital, Leicester, UK","institution_ids":["https://openalex.org/I2802040150"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5020307133","display_name":"Nawshin Dastagir","orcid":null},"institutions":[{"id":"https://openalex.org/I51158804","display_name":"Massey University","ror":"https://ror.org/052czxv31","country_code":"NZ","type":"education","lineage":["https://openalex.org/I51158804"]}],"countries":["NZ"],"is_corresponding":false,"raw_author_name":"Nawshin Dastagir","raw_affiliation_strings":["Massey University, New Zealand"],"affiliations":[{"raw_affiliation_string":"Massey University, New Zealand","institution_ids":["https://openalex.org/I51158804"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5009101023","display_name":"Peter J. Stafford","orcid":"https://orcid.org/0000-0003-0988-8934"},"institutions":[{"id":"https://openalex.org/I2802040150","display_name":"Glenfield Hospital","ror":"https://ror.org/048a96r61","country_code":"GB","type":"healthcare","lineage":["https://openalex.org/I2802040150","https://openalex.org/I2802445252"]},{"id":"https://openalex.org/I34931013","display_name":"National Institute for Health and Care Research","ror":"https://ror.org/0187kwz08","country_code":"GB","type":"government","lineage":["https://openalex.org/I34931013"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"P J Stafford","raw_affiliation_strings":["Department of Cardiovascular Sciences, Glenfield Hospital, Leicester, UK","National Institute for Health Research Leicester Cardiovascular Biomedical Research Centre, Leicester, UK"],"affiliations":[{"raw_affiliation_string":"Department of Cardiovascular Sciences, Glenfield Hospital, Leicester, UK","institution_ids":["https://openalex.org/I2802040150"]},{"raw_affiliation_string":"National Institute for Health Research Leicester Cardiovascular Biomedical Research Centre, Leicester, UK","institution_ids":["https://openalex.org/I34931013"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5015240983","display_name":"G. Andr\u00e9 Ng","orcid":"https://orcid.org/0000-0001-5965-0671"},"institutions":[{"id":"https://openalex.org/I2802040150","display_name":"Glenfield Hospital","ror":"https://ror.org/048a96r61","country_code":"GB","type":"healthcare","lineage":["https://openalex.org/I2802040150","https://openalex.org/I2802445252"]},{"id":"https://openalex.org/I34931013","display_name":"National Institute for Health and Care Research","ror":"https://ror.org/0187kwz08","country_code":"GB","type":"government","lineage":["https://openalex.org/I34931013"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"G. Andre Ng","raw_affiliation_strings":["Department of Cardiovascular Sciences, Glenfield Hospital, Leicester, UK","National Institute for Health Research Leicester Cardiovascular Biomedical Research Centre, Leicester, UK"],"affiliations":[{"raw_affiliation_string":"Department of Cardiovascular Sciences, Glenfield Hospital, Leicester, UK","institution_ids":["https://openalex.org/I2802040150"]},{"raw_affiliation_string":"National Institute for Health Research Leicester Cardiovascular Biomedical Research Centre, Leicester, UK","institution_ids":["https://openalex.org/I34931013"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5022030639","display_name":"Fernando S. Schlindwein","orcid":"https://orcid.org/0000-0001-5981-7726"},"institutions":[{"id":"https://openalex.org/I153648349","display_name":"University of Leicester","ror":"https://ror.org/04h699437","country_code":"GB","type":"education","lineage":["https://openalex.org/I153648349"]},{"id":"https://openalex.org/I34931013","display_name":"National Institute for Health and Care Research","ror":"https://ror.org/0187kwz08","country_code":"GB","type":"government","lineage":["https://openalex.org/I34931013"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Fernando S. Schlindwein","raw_affiliation_strings":["National Institute for Health Research Leicester Cardiovascular Biomedical Research Centre, Leicester, UK","School of Engineering, University of Leicester, Leicester, UK"],"affiliations":[{"raw_affiliation_string":"National Institute for Health Research Leicester Cardiovascular Biomedical Research Centre, Leicester, UK","institution_ids":["https://openalex.org/I34931013"]},{"raw_affiliation_string":"School of Engineering, University of Leicester, Leicester, UK","institution_ids":["https://openalex.org/I153648349"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":9,"corresponding_author_ids":["https://openalex.org/A5080602807"],"corresponding_institution_ids":["https://openalex.org/I153648349"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.16785714,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"4"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10065","display_name":"Atrial Fibrillation Management and Outcomes","score":0.9998999834060669,"subfield":{"id":"https://openalex.org/subfields/2705","display_name":"Cardiology and Cardiovascular Medicine"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},"topics":[{"id":"https://openalex.org/T10065","display_name":"Atrial Fibrillation Management and Outcomes","score":0.9998999834060669,"subfield":{"id":"https://openalex.org/subfields/2705","display_name":"Cardiology and Cardiovascular Medicine"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T11217","display_name":"Cardiac Arrhythmias and Treatments","score":0.9997000098228455,"subfield":{"id":"https://openalex.org/subfields/2705","display_name":"Cardiology and Cardiovascular Medicine"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T10217","display_name":"Cardiac electrophysiology and arrhythmias","score":0.9986000061035156,"subfield":{"id":"https://openalex.org/subfields/2705","display_name":"Cardiology and Cardiovascular Medicine"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/ablation","display_name":"Ablation","score":0.5535088181495667},{"id":"https://openalex.org/keywords/similarity","display_name":"Similarity (geometry)","score":0.41529038548469543},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.38035428524017334},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.33089423179626465},{"id":"https://openalex.org/keywords/anatomy","display_name":"Anatomy","score":0.32093560695648193},{"id":"https://openalex.org/keywords/internal-medicine","display_name":"Internal medicine","score":0.27616557478904724},{"id":"https://openalex.org/keywords/medicine","display_name":"Medicine","score":0.24048969149589539},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.24029186367988586},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.22321400046348572}],"concepts":[{"id":"https://openalex.org/C2778902805","wikidata":"https://www.wikidata.org/wiki/Q322177","display_name":"Ablation","level":2,"score":0.5535088181495667},{"id":"https://openalex.org/C103278499","wikidata":"https://www.wikidata.org/wiki/Q254465","display_name":"Similarity (geometry)","level":3,"score":0.41529038548469543},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.38035428524017334},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.33089423179626465},{"id":"https://openalex.org/C105702510","wikidata":"https://www.wikidata.org/wiki/Q514","display_name":"Anatomy","level":1,"score":0.32093560695648193},{"id":"https://openalex.org/C126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","level":1,"score":0.27616557478904724},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.24048969149589539},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.24029186367988586},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.22321400046348572},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.23919/cinc53138.2021.9662796","is_oa":false,"landing_page_url":"https://doi.org/10.23919/cinc53138.2021.9662796","pdf_url":null,"source":{"id":"https://openalex.org/S4363605378","display_name":"2021 Computing in Cardiology (CinC)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"conference"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2021 Computing in Cardiology (CinC)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G2428247717","display_name":null,"funder_award_id":"PG/18/33/33780,AA/18/3/34220","funder_id":"https://openalex.org/F4320309229","funder_display_name":"National Institute on Handicapped Research"},{"id":"https://openalex.org/G5771997108","display_name":null,"funder_award_id":"MR/S03 7306/1","funder_id":"https://openalex.org/F4320334626","funder_display_name":"Medical Research Council"}],"funders":[{"id":"https://openalex.org/F4320309229","display_name":"National Institute on Handicapped Research","ror":null},{"id":"https://openalex.org/F4320334626","display_name":"Medical Research Council","ror":"https://ror.org/03x94j517"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":17,"referenced_works":["https://openalex.org/W25713472","https://openalex.org/W1516451155","https://openalex.org/W1545558253","https://openalex.org/W1774091795","https://openalex.org/W1895194522","https://openalex.org/W2013698090","https://openalex.org/W2086746627","https://openalex.org/W2119174768","https://openalex.org/W2151305867","https://openalex.org/W2519930002","https://openalex.org/W2783098526","https://openalex.org/W2792299551","https://openalex.org/W2900915966","https://openalex.org/W3045419141","https://openalex.org/W3136489339","https://openalex.org/W3158907301","https://openalex.org/W4247611586"],"related_works":["https://openalex.org/W1979597421","https://openalex.org/W2007980826","https://openalex.org/W4245490552","https://openalex.org/W2061531152","https://openalex.org/W3002753104","https://openalex.org/W2077600819","https://openalex.org/W1587224694","https://openalex.org/W2042127053","https://openalex.org/W2142036596","https://openalex.org/W4238204885"],"abstract_inverted_index":{"Identifying":[0],"ablation":[1,221],"targets":[2,220],"in":[3],"persistent":[4],"atrial":[5,27],"fibrillation":[6],"(PersAF)":[7],"remains":[8],"challenging.":[9],"This":[10],"study":[11],"aims":[12],"to":[13,136,160,215],"investigate":[14,209],"the":[15,75,79,85,98,138,162,178,184],"spatiotemporal":[16],"stability":[17],"of":[18,25,78,123,165,191,211,218],"PersAF":[19,204],"drivers":[20,205],"within":[21,69],"5":[22,38,116],"min":[23,117],"recordings":[24],"virtual":[26],"electrograms":[28],"(VEGMs).":[29],"2048-channel":[30],"VEGMs":[31,118],"(EnSite":[32],"Array,":[33],"Abbott)":[34],"were":[35,55,82,92,106,119,158],"analysed":[36],"for":[37,222],"patients":[39],"undergoing":[40],"substrate-guided":[41],"ablation.":[42],"Following":[43],"QRST":[44],"subtraction,":[45],"dominant":[46],"frequency":[47],"(DF,":[48],"4–10":[49],"Hz)":[50],"and":[51,127,148,173,188],"organization":[52],"index":[53],"(OI)":[54],"identified":[56],"using":[57],"fast":[58],"Fourier":[59],"transform":[60],"(4":[61],"s":[62],"windows;":[63],"50%":[64],"overlap).":[65],"Areas":[66],"with":[67,97,112,183,196],"DF":[68,87,95,143,154,175],"0.25":[70],"Hz":[71],"below":[72],"or":[73],"equal":[74],"maximum":[76],"out":[77],"2048":[80],"points":[81],"defined":[83,93,107],"as":[84,94,108],"highest":[86,99,163],"(HDF).":[88],"Stable":[89],"DFs":[90],"(SDFs)":[91],"patterns":[96],"recurrence":[100],"over":[101,167],"consecutive":[102],"time":[103,152],"windows.":[104],"Rotors":[105],"phase":[109],"singularities":[110],"(PSs)":[111],"≥100":[113],"ms.":[114],"The":[115],"divided":[120],"into":[121],"segments":[122],"30,":[124],"60,":[125],"90,":[126],"120":[128],"s.":[129],"2D":[130],"correlation":[131],"coefficients":[132],"(CORR)":[133],"was":[134],"used":[135],"measure":[137],"similarity":[139,166],"among":[140],"maps":[141,157,194],"(SDFs,":[142],"selected":[144],"by":[145,170],"OI>0.3,":[146],"HDF":[147],"Rotors)":[149],"at":[150],"different":[151],"segments.":[153,198],"(OI>0.3)":[155,176],"density":[156,193,206],"found":[159],"have":[161],"level":[164],"time,":[168],"followed":[169],"Rotors,":[171],"HDF,":[172],"SDFs.":[174],"are":[177],"most":[179],"spatially":[180],"overlapped":[181],"regions":[182,210],"SDFs":[185],"sites.":[186],"Similarity":[187],"spatial":[189,201],"overlapping":[190,202,212],"individual":[192],"increased":[195],"longer":[197],"There":[199],"is":[200],"between":[203],"maps,":[207],"therefore":[208],"might":[213],"lead":[214],"better":[216],"identification":[217],"substrate":[219],"PersAF.":[223]},"counts_by_year":[],"updated_date":"2026-04-16T08:26:57.006410","created_date":"2025-10-10T00:00:00"}