{"id":"https://openalex.org/W4409155296","doi":"https://doi.org/10.1016/j.bspc.2025.107875","title":"Detection of abdominal aortic aneurysm using photoplethysmographic signals measured from the index finger","display_name":"Detection of abdominal aortic aneurysm using photoplethysmographic signals measured from the index finger","publication_year":2025,"publication_date":"2025-04-04","ids":{"openalex":"https://openalex.org/W4409155296","doi":"https://doi.org/10.1016/j.bspc.2025.107875"},"language":"en","primary_location":{"id":"doi:10.1016/j.bspc.2025.107875","doi":"https://doi.org/10.1016/j.bspc.2025.107875","is_oa":true,"landing_page_url":"https://doi.org/10.1016/j.bspc.2025.107875","pdf_url":null,"source":{"id":"https://openalex.org/S8427965","display_name":"Biomedical Signal Processing and Control","issn_l":"1746-8094","issn":["1746-8094","1746-8108"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-c","jufo-1","ki-jl-1","norway-1","poland-140","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320990","host_organization_name":"Elsevier BV","host_organization_lineage":["https://openalex.org/P4310320990"],"host_organization_lineage_names":["Elsevier BV"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Biomedical Signal Processing and Control","raw_type":"journal-article"},"volume":null,"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"hybrid","oa_url":"https://doi.org/10.1016/j.bspc.2025.107875","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":null,"display_name":"Mira Haapatikka","orcid":"https://orcid.org/0000-0003-3307-7410","observed_orcids":["https://orcid.org/0000-0003-3307-7410"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Mira Haapatikka","raw_affiliation_strings":[],"raw_orcid":"https://orcid.org/0000-0003-3307-7410","affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5012241317","display_name":"Mikko Peltokangas","orcid":"https://orcid.org/0000-0002-6624-0926","observed_orcids":["https://orcid.org/0000-0002-6624-0926"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Mikko Peltokangas","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":null,"display_name":"Saara Pietil\u00e4","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Saara Pietil\u00e4","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5010229218","display_name":"Sara Protto","orcid":"https://orcid.org/0000-0003-2131-7739","observed_orcids":["https://orcid.org/0000-0003-2131-7739"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Sara Protto","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5071121087","display_name":"Velipekka Suominen","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Velipekka Suominen","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5057045778","display_name":"Ilkka T. Uurto","orcid":"https://orcid.org/0000-0002-8383-7740","observed_orcids":["https://orcid.org/0000-0002-8383-7740"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Ilkka Uurto","raw_affiliation_strings":[],"raw_orcid":"https://orcid.org/0000-0002-8383-7740","affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5053583089","display_name":"Damir Vakhitov","orcid":"https://orcid.org/0000-0003-2233-9606","observed_orcids":["https://orcid.org/0000-0003-2233-9606"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Damir Vakhitov","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":null,"display_name":"Essi V\u00e4is\u00e4nen","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Essi V\u00e4is\u00e4nen","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5031960837","display_name":"Karem Lozano Montero","orcid":"https://orcid.org/0000-0002-1017-4413","observed_orcids":["https://orcid.org/0000-0002-1017-4413"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Karem Lozano Montero","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5064607242","display_name":"Mika\u2010Matti Laurila","orcid":"https://orcid.org/0000-0002-8073-1895","observed_orcids":["https://orcid.org/0000-0002-8073-1895","https://orcid.org/0000-0002-7019-7860"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Mika-Matti Laurila","raw_affiliation_strings":[],"raw_orcid":"https://orcid.org/0000-0002-8073-1895","affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5051757454","display_name":"Jarmo A. Verho","orcid":"https://orcid.org/0000-0002-8272-4760","observed_orcids":["https://orcid.org/0000-0002-8272-4760"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Jarmo Verho","raw_affiliation_strings":[],"raw_orcid":"https://orcid.org/0000-0002-8272-4760","affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5078979890","display_name":"Matti M\u00e4ntysalo","orcid":"https://orcid.org/0000-0002-7780-6454","observed_orcids":["https://orcid.org/0000-0002-7780-6454"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Matti M\u00e4ntysalo","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5087842948","display_name":"Niku Oksala","orcid":"https://orcid.org/0000-0001-5336-3719","observed_orcids":["https://orcid.org/0000-0001-5336-3719"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Niku Oksala","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5063874943","display_name":"Antti T. Vehkaoja","orcid":"https://orcid.org/0000-0003-3721-3467","observed_orcids":["https://orcid.org/0000-0003-3721-3467"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Antti Vehkaoja","raw_affiliation_strings":[],"raw_orcid":"https://orcid.org/0000-0003-3721-3467","affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":{"value":2590,"currency":"USD","value_usd":2590},"apc_paid":{"value":2590,"currency":"USD","value_usd":2590},"fwci":0.2359,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.38829976,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":93,"max":96},"biblio":{"volume":"107","issue":null,"first_page":"107875","last_page":"107875"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11196","display_name":"Non-Invasive Vital Sign Monitoring","score":0.9771000146865845,"subfield":{"id":"https://openalex.org/subfields/2204","display_name":"Biomedical Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T11196","display_name":"Non-Invasive Vital Sign Monitoring","score":0.9771000146865845,"subfield":{"id":"https://openalex.org/subfields/2204","display_name":"Biomedical Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10983","display_name":"Aortic aneurysm repair treatments","score":0.015699999406933784,"subfield":{"id":"https://openalex.org/subfields/2740","display_name":"Pulmonary and Respiratory 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/T10924","display_name":"Cardiovascular Health and Disease Prevention","score":0.0008999999845400453,"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/abdominal-aortic-aneurysm","display_name":"abdominal aortic aneurysm","score":0.9990000128746033},{"id":"https://openalex.org/keywords/photoplethysmography","display_name":"photoplethysmography","score":0.9729999899864197},{"id":"https://openalex.org/keywords/index-finger","display_name":"index finger","score":0.6480000019073486},{"id":"https://openalex.org/keywords/noninvasive-screening","display_name":"non-invasive screening","score":0.6309999823570251},{"id":"https://openalex.org/keywords/linear-discriminant-analysis","display_name":"linear discriminant analysis","score":0.9620000123977661}],"concepts":[{"id":"https://openalex.org/C2779993416","wikidata":"https://www.wikidata.org/wiki/Q2256736","display_name":"Abdominal aortic aneurysm","level":3,"score":0.7015685439109802},{"id":"https://openalex.org/C2777382242","wikidata":"https://www.wikidata.org/wiki/Q6017816","display_name":"Index (typography)","level":2,"score":0.5540168881416321},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.4909711182117462},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.4651423692703247},{"id":"https://openalex.org/C2776098176","wikidata":"https://www.wikidata.org/wiki/Q189389","display_name":"Aneurysm","level":2,"score":0.43749138712882996},{"id":"https://openalex.org/C164705383","wikidata":"https://www.wikidata.org/wiki/Q10379","display_name":"Cardiology","level":1,"score":0.3948814272880554},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.34247660636901855},{"id":"https://openalex.org/C126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","level":1,"score":0.3383128046989441},{"id":"https://openalex.org/C126838900","wikidata":"https://www.wikidata.org/wiki/Q77604","display_name":"Radiology","level":1,"score":0.23733091354370117},{"id":"https://openalex.org/C136764020","wikidata":"https://www.wikidata.org/wiki/Q466","display_name":"World Wide Web","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1016/j.bspc.2025.107875","doi":"https://doi.org/10.1016/j.bspc.2025.107875","is_oa":true,"landing_page_url":"https://doi.org/10.1016/j.bspc.2025.107875","pdf_url":null,"source":{"id":"https://openalex.org/S8427965","display_name":"Biomedical Signal Processing and Control","issn_l":"1746-8094","issn":["1746-8094","1746-8108"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-c","jufo-1","ki-jl-1","norway-1","poland-140","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320990","host_organization_name":"Elsevier BV","host_organization_lineage":["https://openalex.org/P4310320990"],"host_organization_lineage_names":["Elsevier BV"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Biomedical Signal Processing and Control","raw_type":"journal-article"},{"id":"pmh:oai:trepo.tuni.fi:10024/227548","doi":null,"is_oa":true,"landing_page_url":"https://trepo.tuni.fi/handle/10024/227548","pdf_url":null,"source":{"id":"https://openalex.org/S4306401860","display_name":"Tampere University Institutional Repository (Tampere University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I150589677","host_organization_name":"Tampere University of Applied Sciences","host_organization_lineage":["https://openalex.org/I150589677"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"publishedVersion"}],"best_oa_location":{"id":"doi:10.1016/j.bspc.2025.107875","doi":"https://doi.org/10.1016/j.bspc.2025.107875","is_oa":true,"landing_page_url":"https://doi.org/10.1016/j.bspc.2025.107875","pdf_url":null,"source":{"id":"https://openalex.org/S8427965","display_name":"Biomedical Signal Processing and Control","issn_l":"1746-8094","issn":["1746-8094","1746-8108"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-c","jufo-1","ki-jl-1","norway-1","poland-140","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320990","host_organization_name":"Elsevier BV","host_organization_lineage":["https://openalex.org/P4310320990"],"host_organization_lineage_names":["Elsevier BV"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Biomedical Signal Processing and Control","raw_type":"journal-article"},"sustainable_development_goals":[{"score":0.98580002784729,"display_name":"Good health and well-being","id":"https://metadata.un.org/sdg/3"}],"sustainable_development_goals_aurora":[],"study_designs":[{"display_name":"Observational Study","id":"https://openalex.org/study-designs/observational-study"}],"awards":[{"id":"https://openalex.org/G315246958","display_name":null,"funder_award_id":"#310618","funder_id":"https://openalex.org/F4320321108","funder_display_name":"Academy of Finland"},{"id":"https://openalex.org/G3205814513","display_name":null,"funder_award_id":"310617","funder_id":"https://openalex.org/F4320321108","funder_display_name":"Academy of Finland"},{"id":"https://openalex.org/G361819321","display_name":null,"funder_award_id":"101022433","funder_id":"https://openalex.org/F4320338438","funder_display_name":"HORIZON EUROPE Marie Sklodowska-Curie Actions"},{"id":"https://openalex.org/G6251714233","display_name":null,"funder_award_id":"50211524","funder_id":"https://openalex.org/F4320321726","funder_display_name":"Suomen Kulttuurirahasto"}],"funders":[{"id":"https://openalex.org/F4320321108","display_name":"Academy of Finland","ror":"https://ror.org/05k73zm37"},{"id":"https://openalex.org/F4320321726","display_name":"Suomen Kulttuurirahasto","ror":"https://ror.org/027xav248"},{"id":"https://openalex.org/F4320338337","display_name":"H2020 Marie Sk\u0142odowska-Curie Actions","ror":null},{"id":"https://openalex.org/F4320338438","display_name":"HORIZON EUROPE Marie Sklodowska-Curie Actions","ror":null}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":47,"referenced_works":["https://openalex.org/W1061043325","https://openalex.org/W1968633176","https://openalex.org/W1985730517","https://openalex.org/W1991860678","https://openalex.org/W2012684214","https://openalex.org/W2014283444","https://openalex.org/W2039903366","https://openalex.org/W2049835211","https://openalex.org/W2052060922","https://openalex.org/W2094876228","https://openalex.org/W2108655170","https://openalex.org/W2111787522","https://openalex.org/W2117404167","https://openalex.org/W2127364279","https://openalex.org/W2133629144","https://openalex.org/W2137483363","https://openalex.org/W2155524176","https://openalex.org/W2164634968","https://openalex.org/W2343787634","https://openalex.org/W2503135644","https://openalex.org/W2579971522","https://openalex.org/W2589621194","https://openalex.org/W2592093829","https://openalex.org/W2594427313","https://openalex.org/W2796118482","https://openalex.org/W2801851817","https://openalex.org/W2883464116","https://openalex.org/W2889960200","https://openalex.org/W2906577143","https://openalex.org/W2985965307","https://openalex.org/W3001976279","https://openalex.org/W3002741666","https://openalex.org/W3089652120","https://openalex.org/W3134770158","https://openalex.org/W3157313618","https://openalex.org/W3181986648","https://openalex.org/W3187532026","https://openalex.org/W3192023171","https://openalex.org/W3204210610","https://openalex.org/W4220986893","https://openalex.org/W4232298260","https://openalex.org/W4281644764","https://openalex.org/W4298087738","https://openalex.org/W4298304654","https://openalex.org/W4308347484","https://openalex.org/W4391147054","https://openalex.org/W6629233937"],"related_works":["https://openalex.org/W4387497383","https://openalex.org/W3183948672","https://openalex.org/W3173606202","https://openalex.org/W3110381201","https://openalex.org/W2948807893","https://openalex.org/W2899084033","https://openalex.org/W2778153218","https://openalex.org/W2758277628","https://openalex.org/W1531601525","https://openalex.org/W2137190715"],"abstract_inverted_index":{"Currently,":[0],"most":[1,101],"of":[2,14,20,28,138,159,167,186,190,194,198,202,210],"abdominal":[3],"aortic":[4],"aneurysms":[5],"(AAA)":[6],"are":[7],"detected":[8],"by":[9,115],"accident":[10],"on":[11],"imaging":[12],"investigations":[13],"other":[15],"medical":[16],"conditions.":[17],"The":[18,104,118,131,177],"objective":[19],"this":[21],"study":[22],"was":[23,96,107,120,133,143,152,163],"to":[24,98,122],"investigate":[25],"the":[26,49,78,100,116,144,157,160,175,240],"classification":[27,106,161],"subjects":[29,35,140],"with":[30,87,110,221,225],"AAA":[31,64,139,222,237],"patients":[32],"and":[33,65,81,92,125,141,148,156,204],"control":[34],"into":[36],"two":[37],"groups":[38,128],"using":[39,112],"features":[40,74,113,171],"calculated":[41,213],"directly":[42,214],"from":[43,48,56,60,77,215,223],"photoplethysmographic":[44],"(PPG)":[45],"signals":[46,53,80,217],"measured":[47],"index":[50],"finger.":[51],"PPG":[52,79,216,228],"were":[54,67,75,172],"analyzed":[55],"48":[57],"test":[58,147],"participants":[59],"which":[61],"25":[62],"had":[63,180],"23":[66],"controls":[68,142,224],"without":[69],"AAA.":[70],"Six":[71],"pulse":[72,169],"waveform":[73,229],"computed":[76],"sequential":[82],"backward":[83],"feature":[84],"selection":[85],"(SBFS)":[86],"linear":[88],"discriminant":[89],"analysis":[90,230],"(LDA)":[91],"leave-one-participant-out":[93],"cross":[94],"validation":[95],"used":[97],"find":[99],"relevant":[102],"features.":[103],"actual":[105],"also":[108],"done":[109],"LDA":[111,178],"chosen":[114,173],"SBFS.":[117],"dataset":[119],"divided":[121],"70%":[123],"training":[124],"30%":[126],"testing":[127],"before":[129],"classification.":[130,176],"split":[132],"stratified":[134],"so":[135],"that":[136],"percentages":[137],"same":[145],"in":[146],"train":[149],"sets.":[150],"Classification":[151],"repeated":[153],"500":[154],"times,":[155],"median":[158],"results":[162],"calculated.":[164],"Three":[165],"out":[166],"six":[168],"wave":[170],"for":[174,236,246],"model":[179],"an":[181,188,233],"area":[182],"under":[183],"curve":[184],"(AUC)":[185],"75%,":[187,199],"accuracy":[189],"71%,":[191,203],"a":[192,196,205],"specificity":[193],"68%,":[195],"sensitivity":[197],"F1":[200],"score":[201],"positive":[206],"predictive":[207],"value":[208],"(PPV)":[209],"70%.":[211],"Features":[212],"can":[218],"separate":[219],"individuals":[220],"moderate":[226],"accuracy.":[227],"could":[231],"provide":[232],"easy-to-access":[234],"method":[235],"screening.":[238],"Nonetheless,":[239],"performance":[241],"should":[242],"still":[243],"be":[244],"improved":[245],"guaranteeing":[247],"clinical":[248],"utility.":[249]},"counts_by_year":[{"year":2026,"cited_by_count":1}],"updated_date":"2026-10-16T09:59:22.235173","created_date":"2025-10-10T00:00:00"}
