{"id":"https://openalex.org/W1974417138","doi":"https://doi.org/10.1117/1.jbo.18.2.027004","title":"Effect of probe contact pressure on the photoplethysmographic assessment of conduit artery stiffness","display_name":"Effect of probe contact pressure on the photoplethysmographic assessment of conduit artery stiffness","publication_year":2013,"publication_date":"2013-02-01","ids":{"openalex":"https://openalex.org/W1974417138","doi":"https://doi.org/10.1117/1.jbo.18.2.027004","mag":"1974417138","pmid":"https://pubmed.ncbi.nlm.nih.gov/23377011"},"language":"en","primary_location":{"id":"doi:10.1117/1.jbo.18.2.027004","doi":"https://doi.org/10.1117/1.jbo.18.2.027004","is_oa":true,"landing_page_url":"https://doi.org/10.1117/1.jbo.18.2.027004","pdf_url":"https://www.spiedigitallibrary.org/journals/journal-of-biomedical-optics/volume-18/issue-2/027004/Effect-of-probe-contact-pressure-on-the-photoplethysmographic-assessment-of/10.1117/1.JBO.18.2.027004.pdf","source":{"id":"https://openalex.org/S117354312","display_name":"Journal of Biomedical Optics","issn_l":"1083-3668","issn":["1083-3668","1560-2281"],"is_oa":false,"is_in_doaj":true,"is_core":true,"listed_in":["anvur-scientific","cwts-core","doaj","dongbi-b","doyens","jufo-2","ki-jl-2","medline","norway-2","oarl","poland-70","russia-white-list-1"],"host_organization":"https://openalex.org/P4310315543","host_organization_name":"SPIE","host_organization_lineage":["https://openalex.org/P4310315543"],"host_organization_lineage_names":["SPIE"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Biomedical Optics","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref","doaj","pubmed"],"open_access":{"is_oa":true,"oa_status":"bronze","oa_url":"https://www.spiedigitallibrary.org/journals/journal-of-biomedical-optics/volume-18/issue-2/027004/Effect-of-probe-contact-pressure-on-the-photoplethysmographic-assessment-of/10.1117/1.JBO.18.2.027004.pdf","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5090906042","display_name":"Andris Grabovskis","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I91123046","display_name":"University of Latvia","ror":"https://ror.org/05g3mes96","country_code":"LV","type":"education","lineage":["https://openalex.org/I91123046"]}],"countries":["LV"],"is_corresponding":false,"raw_author_name":"Andris Grabovskis","raw_affiliation_strings":["Univ. of Latvia","University of Latvia, Institute of Atomic Physics and Spectroscopy, Raina Boulevard 19, Riga, LV-1586, Latvia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Univ. of Latvia","institution_ids":["https://openalex.org/I91123046"]},{"raw_affiliation_string":"University of Latvia, Institute of Atomic Physics and Spectroscopy, Raina Boulevard 19, Riga, LV-1586, Latvia","institution_ids":["https://openalex.org/I91123046"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5012015373","display_name":"Zbig\u0146evs Marcinkevi\u010ds","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I91123046","display_name":"University of Latvia","ror":"https://ror.org/05g3mes96","country_code":"LV","type":"education","lineage":["https://openalex.org/I91123046"]}],"countries":["LV"],"is_corresponding":false,"raw_author_name":"Zbignevs Marcinkevics","raw_affiliation_strings":["Univ. of Latvia","University of Latvia, Department of Human and Animal Physiology, Raina Boulevard 19, Riga, LV-1586, Latvia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Univ. of Latvia","institution_ids":["https://openalex.org/I91123046"]},{"raw_affiliation_string":"University of Latvia, Department of Human and Animal Physiology, Raina Boulevard 19, Riga, LV-1586, Latvia","institution_ids":["https://openalex.org/I91123046"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5024347929","display_name":"Uldis Rub\u012bns","orcid":"https://orcid.org/0000-0001-9033-0852","observed_orcids":["https://orcid.org/0000-0001-9033-0852"]},"institutions":[{"id":"https://openalex.org/I91123046","display_name":"University of Latvia","ror":"https://ror.org/05g3mes96","country_code":"LV","type":"education","lineage":["https://openalex.org/I91123046"]}],"countries":["LV"],"is_corresponding":false,"raw_author_name":"Uldis Rubins","raw_affiliation_strings":["Univ. of Latvia","University of Latvia, Institute of Atomic Physics and Spectroscopy, Raina Boulevard 19, Riga, LV-1586, Latvia"],"raw_orcid":"https://orcid.org/0000-0001-9033-0852","affiliations":[{"raw_affiliation_string":"Univ. of Latvia","institution_ids":["https://openalex.org/I91123046"]},{"raw_affiliation_string":"University of Latvia, Institute of Atomic Physics and Spectroscopy, Raina Boulevard 19, Riga, LV-1586, Latvia","institution_ids":["https://openalex.org/I91123046"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5037829686","display_name":"Edgars Kviesis-Kipge","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I91123046","display_name":"University of Latvia","ror":"https://ror.org/05g3mes96","country_code":"LV","type":"education","lineage":["https://openalex.org/I91123046"]}],"countries":["LV"],"is_corresponding":false,"raw_author_name":"Edgars Kviesis-Kipge","raw_affiliation_strings":["Univ. of Latvia","University of Latvia, Institute of Atomic Physics and Spectroscopy, Raina Boulevard 19, Riga, LV-1586, Latvia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Univ. of Latvia","institution_ids":["https://openalex.org/I91123046"]},{"raw_affiliation_string":"University of Latvia, Institute of Atomic Physics and Spectroscopy, Raina Boulevard 19, Riga, LV-1586, Latvia","institution_ids":["https://openalex.org/I91123046"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I91123046"],"apc_list":{"value":1675,"currency":"USD","value_usd":1675},"apc_paid":null,"fwci":1.2777,"has_fulltext":true,"cited_by_count":52,"citation_normalized_percentile":{"value":0.76364013,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":88,"max":99},"biblio":{"volume":"18","issue":"02","first_page":"1","last_page":"6"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11196","display_name":"Non-Invasive Vital Sign Monitoring","score":0.9937000274658203,"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":0.9937000274658203,"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/T10924","display_name":"Cardiovascular Health and Disease Prevention","score":0.006099999882280827,"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":0.0,"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/photoplethysmography","display_name":"photoplethysmography","score":0.996999979019165},{"id":"https://openalex.org/keywords/arterial-stiffness","display_name":"arterial stiffness","score":0.9729999899864197},{"id":"https://openalex.org/keywords/pulse-wave-analysis","display_name":"pulse wave analysis","score":0.7419999837875366},{"id":"https://openalex.org/keywords/b-a-ratio","display_name":"B/A ratio","score":0.7559999823570251},{"id":"https://openalex.org/keywords/repeatability","display_name":"repeatability","score":0.8330000042915344},{"id":"https://openalex.org/keywords/conduit-arteries","display_name":"conduit arteries","score":0.5659999847412109},{"id":"https://openalex.org/keywords/force-sensor","display_name":"force sensor","score":0.6510000228881836}],"concepts":[{"id":"https://openalex.org/C116390426","wikidata":"https://www.wikidata.org/wiki/Q7187885","display_name":"Photoplethysmogram","level":3,"score":0.9291667938232422},{"id":"https://openalex.org/C154020017","wikidata":"https://www.wikidata.org/wiki/Q520171","display_name":"Repeatability","level":2,"score":0.8690880537033081},{"id":"https://openalex.org/C136229726","wikidata":"https://www.wikidata.org/wiki/Q327092","display_name":"Biomedical engineering","level":1,"score":0.6909835934638977},{"id":"https://openalex.org/C2778218979","wikidata":"https://www.wikidata.org/wiki/Q662857","display_name":"Radial artery","level":3,"score":0.6631254553794861},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.6126919388771057},{"id":"https://openalex.org/C56318395","wikidata":"https://www.wikidata.org/wiki/Q215928","display_name":"Transducer","level":2,"score":0.5168319344520569},{"id":"https://openalex.org/C2780167933","wikidata":"https://www.wikidata.org/wiki/Q1550652","display_name":"Pulse (music)","level":3,"score":0.49761250615119934},{"id":"https://openalex.org/C41325743","wikidata":"https://www.wikidata.org/wiki/Q1261040","display_name":"Pressure sensor","level":2,"score":0.4668978154659271},{"id":"https://openalex.org/C2779843651","wikidata":"https://www.wikidata.org/wiki/Q7390335","display_name":"SIGNAL (programming language)","level":2,"score":0.4556654989719391},{"id":"https://openalex.org/C2776820930","wikidata":"https://www.wikidata.org/wiki/Q9655","display_name":"Artery","level":2,"score":0.4132236838340759},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.3707669973373413},{"id":"https://openalex.org/C24890656","wikidata":"https://www.wikidata.org/wiki/Q82811","display_name":"Acoustics","level":1,"score":0.27632710337638855},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.26835179328918457},{"id":"https://openalex.org/C141071460","wikidata":"https://www.wikidata.org/wiki/Q40821","display_name":"Surgery","level":1,"score":0.2455993890762329},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.20736080408096313},{"id":"https://openalex.org/C94915269","wikidata":"https://www.wikidata.org/wiki/Q1834857","display_name":"Detector","level":2,"score":0.11487644910812378},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.11261838674545288},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0998089611530304},{"id":"https://openalex.org/C106131492","wikidata":"https://www.wikidata.org/wiki/Q3072260","display_name":"Filter (signal processing)","level":2,"score":0.0},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.0},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0},{"id":"https://openalex.org/C97355855","wikidata":"https://www.wikidata.org/wiki/Q11473","display_name":"Thermodynamics","level":1,"score":0.0},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.0}],"mesh":[{"descriptor_ui":"D000328","descriptor_name":"Adult","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D001794","descriptor_name":"Blood Pressure","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D001810","descriptor_name":"Blood Volume","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D005260","descriptor_name":"Female","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":"D011312","descriptor_name":"Pressure","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D017156","descriptor_name":"Photoplethysmography","qualifier_ui":"Q000295","qualifier_name":"instrumentation","is_major_topic":false},{"descriptor_ui":"D017156","descriptor_name":"Photoplethysmography","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":true},{"descriptor_ui":"D055096","descriptor_name":"Optical Devices","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D055620","descriptor_name":"Optical Phenomena","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D055815","descriptor_name":"Young Adult","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D059289","descriptor_name":"Vascular Stiffness","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D063177","descriptor_name":"Pulse Wave Analysis","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false}],"locations_count":2,"locations":[{"id":"doi:10.1117/1.jbo.18.2.027004","doi":"https://doi.org/10.1117/1.jbo.18.2.027004","is_oa":true,"landing_page_url":"https://doi.org/10.1117/1.jbo.18.2.027004","pdf_url":"https://www.spiedigitallibrary.org/journals/journal-of-biomedical-optics/volume-18/issue-2/027004/Effect-of-probe-contact-pressure-on-the-photoplethysmographic-assessment-of/10.1117/1.JBO.18.2.027004.pdf","source":{"id":"https://openalex.org/S117354312","display_name":"Journal of Biomedical Optics","issn_l":"1083-3668","issn":["1083-3668","1560-2281"],"is_oa":false,"is_in_doaj":true,"is_core":true,"listed_in":["anvur-scientific","cwts-core","doaj","dongbi-b","doyens","jufo-2","ki-jl-2","medline","norway-2","oarl","poland-70","russia-white-list-1"],"host_organization":"https://openalex.org/P4310315543","host_organization_name":"SPIE","host_organization_lineage":["https://openalex.org/P4310315543"],"host_organization_lineage_names":["SPIE"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Biomedical Optics","raw_type":"journal-article"},{"id":"pmid:23377011","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/23377011","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,"listed_in":[],"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":"Journal of biomedical optics","raw_type":"Journal Article"}],"best_oa_location":{"id":"doi:10.1117/1.jbo.18.2.027004","doi":"https://doi.org/10.1117/1.jbo.18.2.027004","is_oa":true,"landing_page_url":"https://doi.org/10.1117/1.jbo.18.2.027004","pdf_url":"https://www.spiedigitallibrary.org/journals/journal-of-biomedical-optics/volume-18/issue-2/027004/Effect-of-probe-contact-pressure-on-the-photoplethysmographic-assessment-of/10.1117/1.JBO.18.2.027004.pdf","source":{"id":"https://openalex.org/S117354312","display_name":"Journal of Biomedical Optics","issn_l":"1083-3668","issn":["1083-3668","1560-2281"],"is_oa":false,"is_in_doaj":true,"is_core":true,"listed_in":["anvur-scientific","cwts-core","doaj","dongbi-b","doyens","jufo-2","ki-jl-2","medline","norway-2","oarl","poland-70","russia-white-list-1"],"host_organization":"https://openalex.org/P4310315543","host_organization_name":"SPIE","host_organization_lineage":["https://openalex.org/P4310315543"],"host_organization_lineage_names":["SPIE"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Biomedical Optics","raw_type":"journal-article"},"sustainable_development_goals":[{"score":0.8048999905586243,"id":"https://metadata.un.org/sdg/3","display_name":"Good health and well-being"}],"study_designs":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320323297","display_name":"Latvijas Universitate","ror":"https://ror.org/05g3mes96"},{"id":"https://openalex.org/F4320338080","display_name":"European Social Fund","ror":"https://ror.org/00k4n6c32"}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W1974417138.pdf","grobid_xml":"https://content.openalex.org/works/W1974417138.grobid-xml"},"referenced_works_count":32,"referenced_works":["https://openalex.org/W1027324571","https://openalex.org/W1965659123","https://openalex.org/W1967485961","https://openalex.org/W1973920575","https://openalex.org/W1976093437","https://openalex.org/W1979056880","https://openalex.org/W2001612770","https://openalex.org/W2002709111","https://openalex.org/W2006542548","https://openalex.org/W2016300113","https://openalex.org/W2023630533","https://openalex.org/W2030303146","https://openalex.org/W2044662367","https://openalex.org/W2046012313","https://openalex.org/W2050038138","https://openalex.org/W2076772158","https://openalex.org/W2077564187","https://openalex.org/W2083872334","https://openalex.org/W2086014752","https://openalex.org/W2086334936","https://openalex.org/W2086781003","https://openalex.org/W2089374839","https://openalex.org/W2105257471","https://openalex.org/W2110849186","https://openalex.org/W2138209376","https://openalex.org/W2151950656","https://openalex.org/W2161841978","https://openalex.org/W2164634968","https://openalex.org/W2165807795","https://openalex.org/W2303347732","https://openalex.org/W2418415453","https://openalex.org/W7082847852"],"related_works":["https://openalex.org/W2086014752","https://openalex.org/W2077564187","https://openalex.org/W4390023691","https://openalex.org/W4394806004","https://openalex.org/W4200604541","https://openalex.org/W4391906871","https://openalex.org/W3008815204","https://openalex.org/W2150386773","https://openalex.org/W7020663994","https://openalex.org/W2049270282"],"abstract_inverted_index":{"Currently,":[0],"photoplethysmography":[1],"(PPG)":[2],"is":[3,73,86],"a":[4,49],"frequently":[5],"studied":[6],"optical":[7],"blood":[8],"pulsation":[9],"detection":[10],"technique":[11],"among":[12],"biophotonic":[13],"and":[14,130],"biomedical":[15],"researchers":[16],"due":[17],"to":[18,68,118],"the":[19,28,46,58,158,161,184],"fact":[20],"that":[21,75],"it":[22],"shows":[23],"high":[24,164],"potential":[25],"for":[26],"estimating":[27],"arterial":[29],"stiffness":[30],"(AS).":[31],"The":[32,142,171],"extraction":[33],"of":[34,48,57,167],"diagnostically":[35],"useful":[36],"information":[37],"requires":[38],"standardized":[39],"measurement":[40],"procedure":[41],"with":[42,148,176],"good":[43],"repeatability.":[44],"However,":[45],"effects":[47],"crucially":[50],"important":[51],"factor-the":[52],"optimal":[53,139,159,185],"contact":[54],"pressure":[55],"(CP)":[56],"probe-are":[59],"often":[60],"ignored.":[61],"Also,":[62],"CP":[63,116,140,186],"values":[64],"are":[65],"not":[66],"reported":[67],"evaluate":[69],"those":[70],"effects.":[71],"It":[72],"hypothesized":[74],"AS":[76],"estimated":[77],"from":[78,105,146],"PPG":[79,103,131,147],"pulse":[80,136,178],"wave":[81],"2nd":[82],"derivative":[83],"parameter":[84],"b/a":[85,143,162],"strongly":[87],"inconsistent":[88],"when":[89],"recorded":[90],"at":[91,113,157],"nonoptimal":[92],"probe":[93,115],"CP.":[94],"Our":[95],"pilot":[96],"study":[97],"confirmed":[98],"this":[99],"during":[100],"in":[101],"vivo":[102],"recordings":[104],"conduit":[106],"artery":[107],"sites":[108],"on":[109],"five":[110],"healthy":[111],"subjects":[112],"variable":[114,149],"(0":[117],"15":[119],"kPa)":[120],"by":[121],"using":[122],"880":[123],"nm":[124],"reflectance":[125],"type":[126],"sensor,":[127],"force":[128],"transducer,":[129],"alternating":[132],"current":[133],"(AC)":[134],"signal":[135],"area":[137],"derived":[138],"criterion.":[141],"values,":[144],"calculated":[145],"CP,":[150,160],"showed":[151,163],"variation":[152],">300":[153],"percent.":[154],"In":[155],"contrast,":[156],"repeatability":[165],"(coefficient":[166],"variability":[168],"<5":[169],"percent).":[170],"effect":[172],"has":[173],"been":[174],"explained":[175],"exponential":[177],"pressure-volume":[179],"relationship":[180],"model":[181],"which":[182],"indicates":[183],"range.":[187]},"counts_by_year":[{"year":2026,"cited_by_count":5},{"year":2025,"cited_by_count":4},{"year":2024,"cited_by_count":5},{"year":2023,"cited_by_count":8},{"year":2022,"cited_by_count":3},{"year":2021,"cited_by_count":5},{"year":2020,"cited_by_count":4},{"year":2019,"cited_by_count":3},{"year":2018,"cited_by_count":4},{"year":2017,"cited_by_count":3},{"year":2015,"cited_by_count":6},{"year":2014,"cited_by_count":1},{"year":2013,"cited_by_count":1}],"updated_date":"2026-11-07T11:25:07.637180","created_date":"2016-06-24T00:00:00"}