{"id":"https://openalex.org/W4200070088","doi":"https://doi.org/10.1109/tbme.2021.3136492","title":"Assessment of Calibration Models for Cuff-Less Blood Pressure Measurement After One Year of Aging","display_name":"Assessment of Calibration Models for Cuff-Less Blood Pressure Measurement After One Year of Aging","publication_year":2021,"publication_date":"2021-12-17","ids":{"openalex":"https://openalex.org/W4200070088","doi":"https://doi.org/10.1109/tbme.2021.3136492","pmid":"https://pubmed.ncbi.nlm.nih.gov/34919515"},"language":"en","primary_location":{"id":"doi:10.1109/tbme.2021.3136492","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tbme.2021.3136492","pdf_url":null,"source":{"id":"https://openalex.org/S5240358","display_name":"IEEE Transactions on Biomedical Engineering","issn_l":"0018-9294","issn":["0018-9294","1558-2531"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Biomedical Engineering","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","pubmed"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://www.ncbi.nlm.nih.gov/pmc/articles/9154072","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":null,"display_name":"Mohammad Yavarimanesh","orcid":null},"institutions":[{"id":"https://openalex.org/I87216513","display_name":"Michigan State University","ror":"https://ror.org/05hs6h993","country_code":"US","type":"education","lineage":["https://openalex.org/I87216513"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"Mohammad Yavarimanesh","raw_affiliation_strings":["Department of Electrical and Computer Engineering, Michigan State University, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, Michigan State University, USA","institution_ids":["https://openalex.org/I87216513"]}]},{"author_position":"middle","author":{"id":null,"display_name":"Robert C. Block","orcid":null},"institutions":[{"id":"https://openalex.org/I5388228","display_name":"University of Rochester","ror":"https://ror.org/022kthw22","country_code":"US","type":"education","lineage":["https://openalex.org/I5388228"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Robert C. Block","raw_affiliation_strings":["Department of Public Health Sciences, School of Medicine and Dentistry, University of Rochester, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Public Health Sciences, School of Medicine and Dentistry, University of Rochester, USA","institution_ids":["https://openalex.org/I5388228"]}]},{"author_position":"middle","author":{"id":null,"display_name":"Keerthana Natarajan","orcid":"https://orcid.org/0000-0002-9311-8192"},"institutions":[{"id":"https://openalex.org/I87216513","display_name":"Michigan State University","ror":"https://ror.org/05hs6h993","country_code":"US","type":"education","lineage":["https://openalex.org/I87216513"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Keerthana Natarajan","raw_affiliation_strings":["Department of Electrical and Computer Engineering, Michigan State University, USA"],"raw_orcid":"https://orcid.org/0000-0002-9311-8192","affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, Michigan State University, USA","institution_ids":["https://openalex.org/I87216513"]}]},{"author_position":"middle","author":{"id":null,"display_name":"Lalit K. Mestha","orcid":null},"institutions":[{"id":"https://openalex.org/I86519309","display_name":"The University of Texas at Austin","ror":"https://ror.org/00hj54h04","country_code":"US","type":"education","lineage":["https://openalex.org/I86519309"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Lalit K. Mestha","raw_affiliation_strings":["Department of Electrical Engineering, University of Texas, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering, University of Texas, USA","institution_ids":["https://openalex.org/I86519309"]}]},{"author_position":"middle","author":{"id":null,"display_name":"Omer T. Inan","orcid":"https://orcid.org/0000-0002-7952-1794"},"institutions":[{"id":"https://openalex.org/I130701444","display_name":"Georgia Institute of Technology","ror":"https://ror.org/01zkghx44","country_code":"US","type":"education","lineage":["https://openalex.org/I130701444"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Omer T. Inan","raw_affiliation_strings":["School of Electrical and Computer Engineering, Georgia Institute of Technology, USA"],"raw_orcid":"https://orcid.org/0000-0002-7952-1794","affiliations":[{"raw_affiliation_string":"School of Electrical and Computer Engineering, Georgia Institute of Technology, USA","institution_ids":["https://openalex.org/I130701444"]}]},{"author_position":"middle","author":{"id":null,"display_name":"Jin-Oh Hahn","orcid":"https://orcid.org/0000-0001-5429-2836"},"institutions":[{"id":"https://openalex.org/I66946132","display_name":"University of Maryland, College Park","ror":"https://ror.org/047s2c258","country_code":"US","type":"education","lineage":["https://openalex.org/I66946132"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Jin-Oh Hahn","raw_affiliation_strings":["Department of Mechanical Engineering, University of Maryland, USA"],"raw_orcid":"https://orcid.org/0000-0001-5429-2836","affiliations":[{"raw_affiliation_string":"Department of Mechanical Engineering, University of Maryland, USA","institution_ids":["https://openalex.org/I66946132"]}]},{"author_position":"last","author":{"id":null,"display_name":"Ramakrishna Mukkamala","orcid":"https://orcid.org/0000-0001-8918-4050"},"institutions":[{"id":"https://openalex.org/I170201317","display_name":"University of Pittsburgh","ror":"https://ror.org/01an3r305","country_code":"US","type":"education","lineage":["https://openalex.org/I170201317"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Ramakrishna Mukkamala","raw_affiliation_strings":["Departments of Bioengineering and Anesthesiology and Perioperative Medicine, University of Pittsburgh, Pittsburgh, PA, USA"],"raw_orcid":"https://orcid.org/0000-0001-8918-4050","affiliations":[{"raw_affiliation_string":"Departments of Bioengineering and Anesthesiology and Perioperative Medicine, University of Pittsburgh, Pittsburgh, PA, USA","institution_ids":["https://openalex.org/I170201317"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":7,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I87216513"],"apc_list":null,"apc_paid":null,"fwci":1.5688,"has_fulltext":false,"cited_by_count":15,"citation_normalized_percentile":{"value":0.84967692,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":98},"biblio":{"volume":"69","issue":"6","first_page":"2087","last_page":"2093"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10144","display_name":"Blood Pressure and Hypertension Studies","score":0.6930999755859375,"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/T10144","display_name":"Blood Pressure and Hypertension Studies","score":0.6930999755859375,"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/T11700","display_name":"Hemodynamic Monitoring and Therapy","score":0.04360000044107437,"subfield":{"id":"https://openalex.org/subfields/2746","display_name":"Surgery"},"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":0.027000000700354576,"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/calibration","display_name":"Calibration","score":0.7926999926567078},{"id":"https://openalex.org/keywords/blood-pressure","display_name":"Blood pressure","score":0.4433000087738037},{"id":"https://openalex.org/keywords/pressure-measurement","display_name":"Pressure measurement","score":0.4343000054359436},{"id":"https://openalex.org/keywords/measuring-instrument","display_name":"Measuring instrument","score":0.31360000371932983},{"id":"https://openalex.org/keywords/measurement-uncertainty","display_name":"Measurement uncertainty","score":0.30889999866485596}],"concepts":[{"id":"https://openalex.org/C165838908","wikidata":"https://www.wikidata.org/wiki/Q736777","display_name":"Calibration","level":2,"score":0.7926999926567078},{"id":"https://openalex.org/C84393581","wikidata":"https://www.wikidata.org/wiki/Q82642","display_name":"Blood pressure","level":2,"score":0.4433000087738037},{"id":"https://openalex.org/C80264047","wikidata":"https://www.wikidata.org/wiki/Q7424019","display_name":"Pressure measurement","level":2,"score":0.4343000054359436},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.38519999384880066},{"id":"https://openalex.org/C136229726","wikidata":"https://www.wikidata.org/wiki/Q327092","display_name":"Biomedical engineering","level":1,"score":0.32359999418258667},{"id":"https://openalex.org/C62646347","wikidata":"https://www.wikidata.org/wiki/Q2041172","display_name":"Measuring instrument","level":2,"score":0.31360000371932983},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.3091999888420105},{"id":"https://openalex.org/C137209882","wikidata":"https://www.wikidata.org/wiki/Q1403517","display_name":"Measurement uncertainty","level":2,"score":0.30889999866485596},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.3061000108718872},{"id":"https://openalex.org/C41325743","wikidata":"https://www.wikidata.org/wiki/Q1261040","display_name":"Pressure sensor","level":2,"score":0.2906000018119812},{"id":"https://openalex.org/C72293138","wikidata":"https://www.wikidata.org/wiki/Q909741","display_name":"Temperature measurement","level":2,"score":0.266400009393692},{"id":"https://openalex.org/C175079658","wikidata":"https://www.wikidata.org/wiki/Q7312165","display_name":"Remote patient monitoring","level":2,"score":0.26579999923706055},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.2522999942302704},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.25189998745918274}],"mesh":[{"descriptor_ui":"D000375","descriptor_name":"Aging","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D000375","descriptor_name":"Aging","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D000375","descriptor_name":"Aging","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D001794","descriptor_name":"Blood Pressure","qualifier_ui":"Q000502","qualifier_name":"physiology","is_major_topic":false},{"descriptor_ui":"D001794","descriptor_name":"Blood Pressure","qualifier_ui":"Q000502","qualifier_name":"physiology","is_major_topic":false},{"descriptor_ui":"D001794","descriptor_name":"Blood Pressure","qualifier_ui":"Q000502","qualifier_name":"physiology","is_major_topic":false},{"descriptor_ui":"D001795","descriptor_name":"Blood Pressure Determination","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":true},{"descriptor_ui":"D001795","descriptor_name":"Blood Pressure Determination","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":true},{"descriptor_ui":"D001795","descriptor_name":"Blood Pressure Determination","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":true},{"descriptor_ui":"D002138","descriptor_name":"Calibration","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D002138","descriptor_name":"Calibration","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D002138","descriptor_name":"Calibration","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006801","descriptor_name":"Humans","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006801","descriptor_name":"Humans","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006801","descriptor_name":"Humans","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D008297","descriptor_name":"Male","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D008297","descriptor_name":"Male","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D008297","descriptor_name":"Male","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D017156","descriptor_name":"Photoplethysmography","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":false},{"descriptor_ui":"D017156","descriptor_name":"Photoplethysmography","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":false},{"descriptor_ui":"D017156","descriptor_name":"Photoplethysmography","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":false},{"descriptor_ui":"D063177","descriptor_name":"Pulse Wave Analysis","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":true},{"descriptor_ui":"D063177","descriptor_name":"Pulse Wave Analysis","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":true},{"descriptor_ui":"D063177","descriptor_name":"Pulse Wave Analysis","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":true}],"locations_count":3,"locations":[{"id":"doi:10.1109/tbme.2021.3136492","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tbme.2021.3136492","pdf_url":null,"source":{"id":"https://openalex.org/S5240358","display_name":"IEEE Transactions on Biomedical Engineering","issn_l":"0018-9294","issn":["0018-9294","1558-2531"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Biomedical Engineering","raw_type":"journal-article"},{"id":"pmid:34919515","is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/34919515","pdf_url":null,"source":{"id":"https://openalex.org/S4306525036","display_name":"PubMed","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE transactions on bio-medical engineering","raw_type":null},{"id":"pmh:oai:pubmedcentral.nih.gov:9154072","is_oa":true,"landing_page_url":"https://www.ncbi.nlm.nih.gov/pmc/articles/9154072","pdf_url":null,"source":{"id":"https://openalex.org/S2764455111","display_name":"PubMed Central","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"IEEE Trans Biomed Eng","raw_type":"Text"}],"best_oa_location":{"id":"pmh:oai:pubmedcentral.nih.gov:9154072","is_oa":true,"landing_page_url":"https://www.ncbi.nlm.nih.gov/pmc/articles/9154072","pdf_url":null,"source":{"id":"https://openalex.org/S2764455111","display_name":"PubMed Central","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"IEEE Trans Biomed Eng","raw_type":"Text"},"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G2613418133","display_name":null,"funder_award_id":"EB018818","funder_id":"https://openalex.org/F4320332161","funder_display_name":"National Institutes of Health"},{"id":"https://openalex.org/G3264193147","display_name":null,"funder_award_id":"HL146470","funder_id":"https://openalex.org/F4320332161","funder_display_name":"National Institutes of Health"}],"funders":[{"id":"https://openalex.org/F4320332161","display_name":"National Institutes of Health","ror":"https://ror.org/01cwqze88"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":20,"referenced_works":["https://openalex.org/W2017271435","https://openalex.org/W2034359682","https://openalex.org/W2043627252","https://openalex.org/W2048430744","https://openalex.org/W2050134733","https://openalex.org/W2112286252","https://openalex.org/W2125299673","https://openalex.org/W2294418644","https://openalex.org/W2336201514","https://openalex.org/W2410822849","https://openalex.org/W2608498389","https://openalex.org/W2758839352","https://openalex.org/W2955961229","https://openalex.org/W2969912933","https://openalex.org/W3008815204","https://openalex.org/W3089500187","https://openalex.org/W3168755979","https://openalex.org/W3200345925","https://openalex.org/W3213567582","https://openalex.org/W4230437288"],"related_works":[],"abstract_inverted_index":{"OBJECTIVE:":[0],"Many":[1],"calibration":[2,44,141],"models":[3,45,100,142],"for":[4,20,28,131,234],"cuff-less":[5],"blood":[6],"pressure":[7],"(BP)":[8],"measurement":[9],"must":[10],"be":[11],"periodically":[12],"updated":[13],"with":[14],"cuff":[15,84,201,211,232],"BP":[16,85,117,180,202,212],"values":[17,203,213],"to":[18,110,178],"account":[19],"vascular":[21],"aging.":[22],"However,":[23],"the":[24,115,138,147,151,185,200,206,209,215,235],"time":[25,165,168],"period":[26,247],"required":[27],"these":[29],"\"cuff":[30],"re-calibrations\"":[31],"is":[32],"largely":[33],"unknown.":[34],"The":[35,126],"impact":[36],"of":[37,40,208,214],"one":[38,65,135,153],"year":[39,66,154],"aging":[41],"on":[42,102,191],"several":[43],"was":[46],"assessed.":[47],"METHODS:":[48],"Ten":[49],"humans":[50],"(6":[51],"males,":[52],"57\u00b118":[53],"years,":[54],"3":[55],"hypertensives)":[56],"were":[57,86,107,124,129,143],"studied":[58],"during":[59],"multiple":[60],"recording":[61],"sessions":[62],"that":[63,248],"occurred":[64],"apart.":[67],"In":[68],"each":[69,103,132],"session,":[70,136],"electrocardiography":[71],"(ECG),":[72],"ear":[73],"photoplethysmography":[74],"(PPG),":[75],"finger":[76],"PPG,":[77],"and":[78,82,89,97,137,173,198],"toe":[79,162,174,236],"PPG":[80,104,175],"waveforms":[81],"manual":[83],"recorded":[87],"before":[88],"after":[90],"slow":[91],"breathing,":[92],"mental":[93],"arithmetic,":[94],"cold":[95],"pressor,":[96],"nitroglycerin.":[98],"Linear":[99],"based":[101],"waveform,":[105],"which":[106],"previously":[108],"shown":[109],"offer":[111,243],"value":[112],"in":[113,119,146],"predicting":[114],"intervention-induced":[116],"changes":[118],"a":[120,158,244],"larger":[121],"subject":[122,133,216],"cohort,":[123],"employed.":[125],"model":[127,160,188],"coefficients":[128],"determined":[130],"via":[134,150],"fully-defined,":[139],"subject-specific":[140],"then":[144],"evaluated":[145],"corresponding":[148],"subjects":[149],"session":[152],"later.":[155],"RESULTS:":[156],"Only":[157],"linear":[159],"relating":[161],"pulse":[163],"arrival":[164],"(PAT)":[166],"-":[167,177],"delay":[169],"between":[170],"ECG":[171],"R-wave":[172],"foot":[176],"systolic":[179],"(SBP)":[181],"remained":[182],"useful.":[183],"After":[184],"year,":[186],"this":[187],"changed":[189],"little":[190],"average":[192,207],"(root-mean-squared-error":[193],"(RMSE)":[194],"=":[195,218],"1.5":[196],"mmHg)":[197],"predicted":[199],"better":[204],"than":[205],"initial":[210],"(RMSE":[217],"9.6\u00b10.8":[219],"mmHg":[220],"vs.":[221],"12.7\u00b11.0":[222],"mmHg;":[223],"p":[224],"<":[225],"0.05).":[226],"CONCLUSION:":[227],"These":[228],"results":[229],"suggest":[230],"annual":[231],"recalibrations":[233],"PAT-SBP":[237],"model.":[238],"SIGNIFICANCE:":[239],"Toe":[240],"PAT":[241],"may":[242],"practical":[245],"recalibration":[246],"fosters":[249],"user":[250],"adherence.":[251]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":4},{"year":2024,"cited_by_count":6},{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":3}],"updated_date":"2026-04-28T14:05:53.105641","created_date":"2021-12-31T00:00:00"}