{"id":"https://openalex.org/W7208488641","doi":null,"title":"\u30ea\u30fc\u30c9 \u30ec\u30b9 \u30da\u30fc\u30b9\u30e1\u30fc\u30ab\u30fc \u30ea\u30e5\u30a6\u30c1 \u30ab\u30f3\u30b8\u30e3 \u30cb\u30aa\u30b1\u30eb \u30b8\u30e5\u30c4\u30bc\u30f3 \u30b7\u30f3\u30c7\u30f3\u30ba \u30aa \u30b7\u30e8\u30a6\u30b7\u30bf A4 \u30cf\u30b3\u30a6 \u30ce \u30e8\u30bd\u30af \u30a4\u30f3\u30b7","display_name":"\u30ea\u30fc\u30c9 \u30ec\u30b9 \u30da\u30fc\u30b9\u30e1\u30fc\u30ab\u30fc \u30ea\u30e5\u30a6\u30c1 \u30ab\u30f3\u30b8\u30e3 \u30cb\u30aa\u30b1\u30eb \u30b8\u30e5\u30c4\u30bc\u30f3 \u30b7\u30f3\u30c7\u30f3\u30ba \u30aa \u30b7\u30e8\u30a6\u30b7\u30bf A4 \u30cf\u30b3\u30a6 \u30ce \u30e8\u30bd\u30af \u30a4\u30f3\u30b7","publication_year":2026,"publication_date":"2026-03-05","ids":{"openalex":"https://openalex.org/W7208488641"},"language":"en","primary_location":{"id":"pmh:oai:irdb.nii.ac.jp:00874:0007442511","doi":null,"is_oa":true,"landing_page_url":"https://repository.lib.tottori-u.ac.jp/records/2002372","pdf_url":"https://repository.lib.tottori-u.ac.jp/record/2002372/files/G11_15101A01085.pdf","source":{"id":"https://openalex.org/S7407056385","display_name":"Institutional Repositories DataBase (IRDB)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I184597095","host_organization_name":"National Institute of Informatics","host_organization_lineage":["https://openalex.org/I184597095"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"doctoral thesis"},"volume":null,"type":"dissertation","is_traditional":true,"indexed_in":[],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://repository.lib.tottori-u.ac.jp/record/2002372/files/G11_15101A01085.pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5063313360","display_name":"Shunsuke Kawatani","orcid":"https://orcid.org/0000-0003-2105-4158","observed_orcids":["https://orcid.org/0000-0003-2105-4158"]},"institutions":[{"id":"https://openalex.org/I4588055","display_name":"Tottori University","ror":"https://ror.org/024yc3q36","country_code":"JP","type":"education","lineage":["https://openalex.org/I4588055"]}],"countries":["JP"],"is_corresponding":true,"raw_author_name":"\u5ddd\u8c37, \u4fca\u8f14","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5063313360"],"corresponding_institution_ids":["https://openalex.org/I4588055"],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":true,"cited_by_count":0,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10598","display_name":"Cardiac pacing and defibrillation studies","score":1.0,"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/T10598","display_name":"Cardiac pacing and defibrillation studies","score":1.0,"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":0.0,"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":0.0,"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/leadless-pacemaker","display_name":"leadless pacemaker","score":0.906000018119812},{"id":"https://openalex.org/keywords/atrioventricular-synchrony","display_name":"atrioventricular synchrony","score":0.9039999842643738},{"id":"https://openalex.org/keywords/p-wave-dispersion","display_name":"P-wave dispersion","score":0.6050000190734863},{"id":"https://openalex.org/keywords/p-wave-morphology","display_name":"P wave morphology","score":0.9070000052452087},{"id":"https://openalex.org/keywords/left-ventricular-ejection-fraction","display_name":"left ventricular ejection fraction","score":0.9049999713897705},{"id":"https://openalex.org/keywords/patient-selection","display_name":"patient selection","score":0.6290000081062317}],"concepts":[{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.8134999871253967},{"id":"https://openalex.org/C44249647","wikidata":"https://www.wikidata.org/wiki/Q208498","display_name":"Confidence interval","level":2,"score":0.6866000294685364},{"id":"https://openalex.org/C164705383","wikidata":"https://www.wikidata.org/wiki/Q10379","display_name":"Cardiology","level":1,"score":0.620199978351593},{"id":"https://openalex.org/C78085059","wikidata":"https://www.wikidata.org/wiki/Q641303","display_name":"Ejection fraction","level":3,"score":0.6123999953269958},{"id":"https://openalex.org/C2780040984","wikidata":"https://www.wikidata.org/wiki/Q79785","display_name":"Electrocardiography","level":2,"score":0.5856999754905701},{"id":"https://openalex.org/C126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","level":1,"score":0.5134000182151794},{"id":"https://openalex.org/C523008124","wikidata":"https://www.wikidata.org/wiki/Q5357996","display_name":"Electrodiagnosis","level":2,"score":0.40939998626708984},{"id":"https://openalex.org/C151956035","wikidata":"https://www.wikidata.org/wiki/Q1132755","display_name":"Logistic regression","level":2,"score":0.397599995136261},{"id":"https://openalex.org/C180205008","wikidata":"https://www.wikidata.org/wiki/Q159190","display_name":"Amplitude","level":2,"score":0.3472000062465668},{"id":"https://openalex.org/C3018023364","wikidata":"https://www.wikidata.org/wiki/Q425265","display_name":"Significant difference","level":2,"score":0.3116999864578247},{"id":"https://openalex.org/C46762472","wikidata":"https://www.wikidata.org/wiki/Q178648","display_name":"Peripheral","level":2,"score":0.3061999976634979},{"id":"https://openalex.org/C105054674","wikidata":"https://www.wikidata.org/wiki/Q3707381","display_name":"Mean difference","level":3,"score":0.2840999960899353},{"id":"https://openalex.org/C2988626262","wikidata":"https://www.wikidata.org/wiki/Q2796622","display_name":"Mean value","level":2,"score":0.2750999927520752},{"id":"https://openalex.org/C141071460","wikidata":"https://www.wikidata.org/wiki/Q40821","display_name":"Surgery","level":1,"score":0.2734000086784363},{"id":"https://openalex.org/C2777953023","wikidata":"https://www.wikidata.org/wiki/Q1073121","display_name":"Heart rate","level":3,"score":0.27320000529289246},{"id":"https://openalex.org/C198433322","wikidata":"https://www.wikidata.org/wiki/Q3910099","display_name":"Predictive value of tests","level":2,"score":0.2709999978542328},{"id":"https://openalex.org/C2777093003","wikidata":"https://www.wikidata.org/wiki/Q6508345","display_name":"Lead (geology)","level":2,"score":0.2632000148296356},{"id":"https://openalex.org/C2779161974","wikidata":"https://www.wikidata.org/wiki/Q815819","display_name":"Atrial fibrillation","level":2,"score":0.2506999969482422}],"mesh":[],"locations_count":2,"locations":[{"id":"pmh:oai:irdb.nii.ac.jp:00874:0007442511","doi":null,"is_oa":true,"landing_page_url":"https://repository.lib.tottori-u.ac.jp/records/2002372","pdf_url":"https://repository.lib.tottori-u.ac.jp/record/2002372/files/G11_15101A01085.pdf","source":{"id":"https://openalex.org/S7407056385","display_name":"Institutional Repositories DataBase (IRDB)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I184597095","host_organization_name":"National Institute of Informatics","host_organization_lineage":["https://openalex.org/I184597095"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"doctoral thesis"},{"id":"pmh:oai:repository.lib.tottori-u.ac.jp:02002372","doi":null,"is_oa":true,"landing_page_url":"https://repository.lib.tottori-u.ac.jp/records/2002372","pdf_url":"https://repository.lib.tottori-u.ac.jp/record/2002372/files/G11_15101A01085S.pdf","source":{"id":"https://openalex.org/S4306400575","display_name":"Tottori University research result repository (Tottori University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I4588055","host_organization_name":"Tottori University","host_organization_lineage":["https://openalex.org/I4588055"],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"doctoral thesis"}],"best_oa_location":{"id":"pmh:oai:irdb.nii.ac.jp:00874:0007442511","doi":null,"is_oa":true,"landing_page_url":"https://repository.lib.tottori-u.ac.jp/records/2002372","pdf_url":"https://repository.lib.tottori-u.ac.jp/record/2002372/files/G11_15101A01085.pdf","source":{"id":"https://openalex.org/S7407056385","display_name":"Institutional Repositories DataBase (IRDB)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I184597095","host_organization_name":"National Institute of Informatics","host_organization_lineage":["https://openalex.org/I184597095"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"doctoral thesis"},"sustainable_development_goals":[{"display_name":"Good health and well-being","score":0.98580002784729,"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":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W7208488641.pdf","grobid_xml":"https://content.openalex.org/works/W7208488641.grobid-xml"},"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W4391925514","https://openalex.org/W4406564264","https://openalex.org/W6948362171","https://openalex.org/W4403814836","https://openalex.org/W4409757051","https://openalex.org/W4385075313","https://openalex.org/W7165863357","https://openalex.org/W3045056541","https://openalex.org/W7212689478","https://openalex.org/W7165902159"],"abstract_inverted_index":{"BACKGROUND":[0],"Based":[1],"on":[2,147],"historical":[3],"studies":[4],"of":[5,29,39,47,126,151,215,230],"leadless":[6],"pacemakers":[7],"(LPs),":[8],"high":[9,216],"atrioventricular":[10],"synchrony":[11],"(AVS)":[12],"with":[13,63,102,188],"mechanical":[14],"sensing-based":[15],"VDD":[16,64],"pacing":[17],"is":[18],"largely":[19],"influenced":[20],"by":[21],"A4":[22,30,48,104,152,238,244],"amplitude.A":[23],"limited":[24],"study":[25,41],"investigated":[26],"the":[27,45,57,94,98,103,148,154,183,241],"predictors":[28,46],"amplitude":[31,49,158,170,245],"using":[32],"clinical":[33],"and":[34,88,121,141,166,185],"echocardiographic":[35],"parameters.":[36],"OBJECTIVEThe":[37],"purpose":[38],"this":[40],"was":[42,178,211,240],"to":[43,51,78,190],"investigate":[44],"preoperatively":[50],"select":[52],"patients":[53,62,70,128],"who":[54,71,129],"could":[55],"benefit":[56],"most":[58],"from":[59,69,75],"AVS":[60],"among":[61],"LPs":[65],"(Micra-AV,":[66],"Medtronic).":[67],"METHODSData":[68],"received":[72],"Micra-AV":[73,95,131,252],"implantations":[74,132],"November":[76],"2021":[77],"August":[79],"2023":[80],"at":[81],"Tottori":[82],"University":[83],"Hospital":[84],"were":[85,91,110,139],"analyzed.Twelve-lead":[86],"electrocardiography":[87],"transthoracic":[89],"echocardiography":[90],"performed":[92],"before":[93],"implantations.To":[96],"assess":[97],"electrical":[99],"indices":[100],"associated":[101],"signal,":[105],"electrocardiographic":[106,228],"morphologic":[107],"P-wave":[108,113,115,122,231],"parameters":[109],"analyzed,":[111],"including":[112],"duration,":[114],"amplitude,":[116,153],"maximum":[117],"deflection":[118],"index":[119],"(MDI),":[120],"dispersion.RESULTS":[123],"A":[124],"total":[125],"50":[127],"underwent":[130],"(median":[133],"age":[134],"84":[135],"years;":[136],"64%":[137],"male)":[138],"included":[140],"divided":[142],"into":[143],"2":[144,161,173],"groups":[145,187],"based":[146],"median":[149],"value":[150],"high-A4":[155,184],"group":[156,168],"(A4":[157,169],">2.5":[159],"m/s":[160,172],";":[162,174],"n":[163,175],"5":[164,176,196,200,225],"26),":[165],"low-A4":[167,186],"2.5":[171],"24).There":[177],"a":[179],"significant":[180],"difference":[181],"between":[182],"regard":[189],"left":[191],"ventricular":[192],"ejection":[193],"fraction":[194],"(P":[195,199,203],".01),P-wave":[197],"dispersion":[198],".01),and":[201],"MDI":[202,210],"<.001).Multivariate":[204],"logistic":[205],"analysis":[206],"revealed":[207],"that":[208,247],"lower":[209],"an":[212],"independent":[213,243],"predictor":[214,246],"A4-amplitude":[217],"(odds":[218],"ratio":[219],"0.78;":[220],"95%":[221],"confidence":[222],"interval":[223],"0.67-0.92;P":[224],"0.003).CONCLUSION":[226],"Preoperative":[227],"evaluations":[229],"morphology":[232],"may":[233],"be":[234],"useful":[235],"for":[236,250],"predicting":[237],"amplitude.MDI":[239],"only":[242],"seemed":[248],"promising":[249],"selecting":[251],"patients.":[253]},"counts_by_year":[],"updated_date":"2026-11-08T12:12:28.789561","created_date":"2026-09-04T00:00:00"}
