{"id":"https://openalex.org/W2021393499","doi":"https://doi.org/10.1111/j.1542-474x.1998.tb00039.x","title":"Spatial Dispersion of the Magnetocardiographically Determined QT Interval and Its Components in the Identification of Patients at Risk for Arrhythmia after Myocardial Infarction","display_name":"Spatial Dispersion of the Magnetocardiographically Determined QT Interval and Its Components in the Identification of Patients at Risk for Arrhythmia after Myocardial Infarction","publication_year":1998,"publication_date":"1998-10-01","ids":{"openalex":"https://openalex.org/W2021393499","doi":"https://doi.org/10.1111/j.1542-474x.1998.tb00039.x","mag":"2021393499"},"language":"en","primary_location":{"id":"doi:10.1111/j.1542-474x.1998.tb00039.x","doi":"https://doi.org/10.1111/j.1542-474x.1998.tb00039.x","is_oa":false,"landing_page_url":"https://doi.org/10.1111/j.1542-474x.1998.tb00039.x","pdf_url":null,"source":{"id":"https://openalex.org/S27558522","display_name":"Annals of Noninvasive Electrocardiology","issn_l":"1082-720X","issn":["1082-720X","1542-474X"],"is_oa":false,"is_in_doaj":true,"is_core":true,"listed_in":["anvur-scientific","cwts-core","doaj","dongbi-c","doyens","jufo-1","ki-jl-1","medline","norway-1","oarl","poland-70","russia-white-list-2","vabb-shw"],"host_organization":"https://openalex.org/P4310320595","host_organization_name":"Wiley","host_organization_lineage":["https://openalex.org/P4310320595"],"host_organization_lineage_names":["Wiley"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Annals of Noninvasive Electrocardiology","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref","doaj"],"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/A5085564364","display_name":"Birgit Hailer","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210121915","display_name":"Augusta-Kranken-Anstalt","ror":"https://ror.org/036j7xe27","country_code":"DE","type":"healthcare","lineage":["https://openalex.org/I4210121915"]}],"countries":["DE"],"is_corresponding":true,"raw_author_name":"Birgit Hailer","raw_affiliation_strings":["Augusta Kranken Anstalt, Bochum, Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Augusta Kranken Anstalt, Bochum, Germany","institution_ids":["https://openalex.org/I4210121915"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5003427388","display_name":"Peter Van Leeuwen","orcid":"https://orcid.org/0000-0003-2394-412X","observed_orcids":["https://orcid.org/0000-0003-2394-412X"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Peter Van Leeuwen","raw_affiliation_strings":["Research & Development Center for Microtherapy (EFMT), Bochum, Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Research & Development Center for Microtherapy (EFMT), Bochum, Germany","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5103219126","display_name":"Silke Lange","orcid":"https://orcid.org/0000-0003-3371-3077","observed_orcids":["https://orcid.org/0000-0003-3371-3077"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Silke Lange","raw_affiliation_strings":["Research & Development Center for Microtherapy (EFMT), Bochum, Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Research & Development Center for Microtherapy (EFMT), Bochum, Germany","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5108453237","display_name":"Dietrich H. W. Gr\u00f6nemeyer","orcid":"https://orcid.org/0000-0002-4750-6661","observed_orcids":["https://orcid.org/0000-0002-4750-6661"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Dietrich Gronemeyer","raw_affiliation_strings":["Research & Development Center for Microtherapy (EFMT), Bochum, Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Research & Development Center for Microtherapy (EFMT), Bochum, Germany","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5110907324","display_name":"Michael H. Wehr","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210121915","display_name":"Augusta-Kranken-Anstalt","ror":"https://ror.org/036j7xe27","country_code":"DE","type":"healthcare","lineage":["https://openalex.org/I4210121915"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Michael Wehr","raw_affiliation_strings":["Augusta Kranken Anstalt, Bochum, Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Augusta Kranken Anstalt, Bochum, Germany","institution_ids":["https://openalex.org/I4210121915"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5085564364"],"corresponding_institution_ids":["https://openalex.org/I4210121915"],"apc_list":{"value":2840,"currency":"USD","value_usd":2840},"apc_paid":null,"fwci":1.0008,"has_fulltext":false,"cited_by_count":17,"citation_normalized_percentile":{"value":0.78630842,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":88,"max":95},"biblio":{"volume":"3","issue":"4","first_page":"311","last_page":"318"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10217","display_name":"Cardiac electrophysiology and arrhythmias","score":0.9531000256538391,"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/T10217","display_name":"Cardiac electrophysiology and arrhythmias","score":0.9531000256538391,"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/T11021","display_name":"ECG Monitoring and Analysis","score":0.02590000070631504,"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/T10745","display_name":"Heart Rate Variability and Autonomic Control","score":0.0044999998062849045,"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/magnetocardiography","display_name":"magnetocardiography","score":0.8849999904632568},{"id":"https://openalex.org/keywords/qt-interval","display_name":"QT interval","score":0.8700000047683716},{"id":"https://openalex.org/keywords/spatial-dispersion","display_name":"spatial dispersion","score":0.8069999814033508},{"id":"https://openalex.org/keywords/myocardial-infarction","display_name":"myocardial infarction","score":0.8429999947547913},{"id":"https://openalex.org/keywords/ventricular-tachycardia","display_name":"ventricular tachycardia","score":0.9940000176429749},{"id":"https://openalex.org/keywords/arrhythmia-risk","display_name":"arrhythmia risk","score":0.7559999823570251},{"id":"https://openalex.org/keywords/repolarization-heterogeneity","display_name":"repolarization heterogeneity","score":0.8970000147819519},{"id":"https://openalex.org/keywords/smoothness-index","display_name":"smoothness index","score":0.6690000295639038},{"id":"https://openalex.org/keywords/qrs-duration","display_name":"QRS duration","score":0.5350000262260437},{"id":"https://openalex.org/keywords/jt-interval","display_name":"JT interval","score":0.8989999890327454},{"id":"https://openalex.org/keywords/t-wave","display_name":"T wave","score":0.41100001335144043},{"id":"https://openalex.org/keywords/cardiac-time-intervals","display_name":"cardiac time intervals","score":0.44200000166893005}],"concepts":[{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.8262360095977783},{"id":"https://openalex.org/C118441451","wikidata":"https://www.wikidata.org/wiki/Q12074763","display_name":"QT interval","level":2,"score":0.7563513517379761},{"id":"https://openalex.org/C164705383","wikidata":"https://www.wikidata.org/wiki/Q10379","display_name":"Cardiology","level":1,"score":0.6922501921653748},{"id":"https://openalex.org/C67139541","wikidata":"https://www.wikidata.org/wiki/Q2858200","display_name":"Apex (geometry)","level":2,"score":0.6874281764030457},{"id":"https://openalex.org/C111773187","wikidata":"https://www.wikidata.org/wiki/Q1969239","display_name":"QRS complex","level":2,"score":0.6597854495048523},{"id":"https://openalex.org/C126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","level":1,"score":0.634442925453186},{"id":"https://openalex.org/C146403970","wikidata":"https://www.wikidata.org/wiki/Q205729","display_name":"Repolarization","level":3,"score":0.6125923991203308},{"id":"https://openalex.org/C500558357","wikidata":"https://www.wikidata.org/wiki/Q12152","display_name":"Myocardial infarction","level":2,"score":0.5428853034973145},{"id":"https://openalex.org/C177562468","wikidata":"https://www.wikidata.org/wiki/Q182893","display_name":"Dispersion (optics)","level":2,"score":0.520982563495636},{"id":"https://openalex.org/C2771771","wikidata":"https://www.wikidata.org/wiki/Q6576883","display_name":"ST segment","level":3,"score":0.4469260573387146},{"id":"https://openalex.org/C2780040984","wikidata":"https://www.wikidata.org/wiki/Q79785","display_name":"Electrocardiography","level":2,"score":0.42519354820251465},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.062455594539642334},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"id":"https://openalex.org/C185263204","wikidata":"https://www.wikidata.org/wiki/Q1154774","display_name":"Electrophysiology","level":2,"score":0.0},{"id":"https://openalex.org/C105702510","wikidata":"https://www.wikidata.org/wiki/Q514","display_name":"Anatomy","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1111/j.1542-474x.1998.tb00039.x","doi":"https://doi.org/10.1111/j.1542-474x.1998.tb00039.x","is_oa":false,"landing_page_url":"https://doi.org/10.1111/j.1542-474x.1998.tb00039.x","pdf_url":null,"source":{"id":"https://openalex.org/S27558522","display_name":"Annals of Noninvasive Electrocardiology","issn_l":"1082-720X","issn":["1082-720X","1542-474X"],"is_oa":false,"is_in_doaj":true,"is_core":true,"listed_in":["anvur-scientific","cwts-core","doaj","dongbi-c","doyens","jufo-1","ki-jl-1","medline","norway-1","oarl","poland-70","russia-white-list-2","vabb-shw"],"host_organization":"https://openalex.org/P4310320595","host_organization_name":"Wiley","host_organization_lineage":["https://openalex.org/P4310320595"],"host_organization_lineage_names":["Wiley"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Annals of Noninvasive Electrocardiology","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.9763000011444092,"display_name":"Good health and well-being","id":"https://metadata.un.org/sdg/3"}],"study_designs":[{"display_name":"Observational Study","id":"https://openalex.org/study-designs/observational-study"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":14,"referenced_works":["https://openalex.org/W1994825917","https://openalex.org/W1999756294","https://openalex.org/W2003891882","https://openalex.org/W2031950386","https://openalex.org/W2033464519","https://openalex.org/W2038830240","https://openalex.org/W2056036859","https://openalex.org/W2066740765","https://openalex.org/W2067846214","https://openalex.org/W2074531214","https://openalex.org/W2080120776","https://openalex.org/W2094721037","https://openalex.org/W2161999690","https://openalex.org/W4239007734"],"related_works":["https://openalex.org/W2066740765","https://openalex.org/W2039204722","https://openalex.org/W1966773515","https://openalex.org/W2047335415","https://openalex.org/W1970450470","https://openalex.org/W1574837848","https://openalex.org/W2378743331","https://openalex.org/W2166930731","https://openalex.org/W7009191470","https://openalex.org/W2014083681"],"abstract_inverted_index":{"Background":[0],"Aim":[1],"was":[2,26,44,96,113,137],"the":[3,6,22,80,84,99,118,124,159,186,206,223,233,237,242,245],"examination":[4],"of":[5,9,21,38,58,65,83,110,120,205,208,239],"spatial":[7,108,135],"distribution":[8],"QT":[10,23,94,197],"interval":[11,24,112,246],"in":[12,46,53,68,158],"patients":[13,55,164],"after":[14,56,75],"Ml":[15,57],"with":[16,127,165],"and":[17,93,104,133,144,148,166,180,196,250],"without":[18,167],"VT.":[19],"Analysis":[20],"components":[25],"undertaken":[27],"to":[28,36,72,129],"identify":[29],"those":[30],"repolarization":[31,240],"patterns":[32],"that":[33,236],"contribute":[34],"essentially":[35],"heterogeneity":[37,238],"recovery":[39],"times.":[40],"Methods":[41],"Multichannel":[42],"magnetocardiography":[43],"performed":[45],"10":[47],"healthy":[48],"subjects":[49],"as":[50,52,98],"well":[51],"18":[54],"whom":[59],"8":[60],"had":[61],"experienced":[62],"clinical":[63],"episodes":[64],"sustained":[66],"VT":[67,187],"a":[69,213],"period":[70],"up":[71],"4":[73],"years":[74],"Ml.":[76],"For":[77],"each":[78,111,121],"subject,":[79],"temporal":[81,225],"dispersion":[82,109,169,207,229],"intervals":[85,153,211],"QT,":[86,193],"QRS,":[87],"JT":[88,194],"apex,":[89,195],"T":[90,251],"apex\u2010T":[91],"offset,":[92],"apex":[95,198],"calculated":[97],"difference":[100],"between":[101,174,247],"its":[102,130],"minimal":[103,125],"maximal":[105],"value.":[106],"The":[107],"examined":[114],"visually":[115],"by":[116],"plotting":[117],"deviations":[119],"channel":[122],"from":[123],"value":[126],"respect":[128],"position.":[131],"Local":[132],"global":[134],"variability":[136],"quantified":[138],"using":[139,227],"two":[140],"smoothness":[141,149],"indices,":[142],"SI":[143,179],"Sin.":[145],"Results":[146],"Dispersion":[147],"values":[150,170,182,191],"for":[151,192,216,219],"all":[152],"were":[154,183],"generally":[155],"significantly":[156,184],"lower":[157],"control":[160],"group.":[161],"When":[162],"comparing":[163],"VT,":[168],"could":[171],"not":[172],"separate":[173],"patient":[175],"groups.":[176],"In":[177,231],"contrast,":[178],"Sin":[181],"different,":[185],"group":[188],"demonstrating":[189],"higher":[190],"(P":[199],"<":[200],"0.05).":[201],"Conclusion":[202],"Spatial":[203],"analysis":[204],"cardiac":[209],"time":[210],"is":[212,241],"better":[214],"marker":[215],"increased":[217],"risk":[218],"malignant":[220],"arrhythmia":[221],"than":[222],"strictly":[224],"approach":[226],"standard":[228],"measures.":[230],"particular":[232],"results":[234],"suggest":[235],"greatest":[243],"during":[244],"QRS":[248],"offset":[249],"apex.":[252]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":2},{"year":2019,"cited_by_count":1},{"year":2013,"cited_by_count":1},{"year":2012,"cited_by_count":1}],"updated_date":"2026-10-12T09:40:04.860316","created_date":"2016-06-24T00:00:00"}