{"id":"https://openalex.org/W2039891719","doi":"https://doi.org/10.1049/iet-smt.2014.0264","title":"Assessment of flow instabilities in in\u2010vitro stenotic arteriovenous grafts using an equivalent astable multivibrator","display_name":"Assessment of flow instabilities in in\u2010vitro stenotic arteriovenous grafts using an equivalent astable multivibrator","publication_year":2015,"publication_date":"2015-03-27","ids":{"openalex":"https://openalex.org/W2039891719","doi":"https://doi.org/10.1049/iet-smt.2014.0264","mag":"2039891719"},"language":"en","primary_location":{"id":"doi:10.1049/iet-smt.2014.0264","doi":"https://doi.org/10.1049/iet-smt.2014.0264","is_oa":true,"landing_page_url":"https://doi.org/10.1049/iet-smt.2014.0264","pdf_url":"https://onlinelibrary.wiley.com/doi/pdfdirect/10.1049/iet-smt.2014.0264","source":{"id":"https://openalex.org/S79875459","display_name":"IET Science Measurement & Technology","issn_l":"1751-8822","issn":["1751-8822","1751-8830"],"is_oa":false,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","dongbi-c","jufo-1","norway-1","oarl","poland-70","russia-white-list-2"],"host_organization":"https://openalex.org/P4310311714","host_organization_name":"Institution of Engineering and Technology","host_organization_lineage":["https://openalex.org/P4310311714"],"host_organization_lineage_names":["Institution of Engineering and Technology"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IET Science, Measurement & Technology","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"bronze","oa_url":"https://onlinelibrary.wiley.com/doi/pdfdirect/10.1049/iet-smt.2014.0264","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":null,"display_name":"Wei\u2010Ling Chen","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210152230","display_name":"Kaohsiung Veterans General Hospital","ror":"https://ror.org/04jedda80","country_code":"TW","type":"funder","lineage":["https://openalex.org/I4210152230"]},{"id":"https://openalex.org/I91807558","display_name":"National Cheng Kung University","ror":"https://ror.org/01b8kcc49","country_code":"TW","type":"education","lineage":["https://openalex.org/I91807558"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Wei\u2010Ling Chen","raw_affiliation_strings":["Department of Biomedical Engineering, National Cheng Kung University, Tainan City, 70101 Taiwan","Department of Engineering and Maintenance, Kaohsiung Veterans General Hospital, Kaohsiung City, 81362 Taiwan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Biomedical Engineering, National Cheng Kung University, Tainan City, 70101 Taiwan","institution_ids":["https://openalex.org/I91807558"]},{"raw_affiliation_string":"Department of Engineering and Maintenance, Kaohsiung Veterans General Hospital, Kaohsiung City, 81362 Taiwan","institution_ids":["https://openalex.org/I4210152230"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5115594536","display_name":"Yu\u2010Hsuan Lin","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I91807558","display_name":"National Cheng Kung University","ror":"https://ror.org/01b8kcc49","country_code":"TW","type":"education","lineage":["https://openalex.org/I91807558"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Yu\u2010Hsuan Lin","raw_affiliation_strings":["Department of Aeronautics and Astronautics, National Cheng Kung University, Tainan City, 70101 Taiwan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Aeronautics and Astronautics, National Cheng Kung University, Tainan City, 70101 Taiwan","institution_ids":["https://openalex.org/I91807558"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5113544422","display_name":"Chung\u2010Dann Kan","orcid":"https://orcid.org/0000-0002-2092-0977","observed_orcids":["https://orcid.org/0000-0002-2092-0977","https://orcid.org/0000-0002-9781-0434"]},"institutions":[{"id":"https://openalex.org/I4210158999","display_name":"National Cheng Kung University Hospital","ror":"https://ror.org/04zx3rq17","country_code":"TW","type":"healthcare","lineage":["https://openalex.org/I4210158999"]}],"countries":["TW"],"is_corresponding":true,"raw_author_name":"Chung\u2010Dann Kan","raw_affiliation_strings":["Department of Surgery, National Cheng Kung University Hospital, Tainan City, 70101 Taiwan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Surgery, National Cheng Kung University Hospital, Tainan City, 70101 Taiwan","institution_ids":["https://openalex.org/I4210158999"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5069225289","display_name":"Fan\u2010Ming Yu","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I91807558","display_name":"National Cheng Kung University","ror":"https://ror.org/01b8kcc49","country_code":"TW","type":"education","lineage":["https://openalex.org/I91807558"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Fan\u2010Ming Yu","raw_affiliation_strings":["Department of Aeronautics and Astronautics, National Cheng Kung University, Tainan City, 70101 Taiwan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Aeronautics and Astronautics, National Cheng Kung University, Tainan City, 70101 Taiwan","institution_ids":["https://openalex.org/I91807558"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5016379690","display_name":"Chia\u2010Hung Lin","orcid":"https://orcid.org/0000-0003-0150-8001","observed_orcids":["https://orcid.org/0000-0003-0150-8001"]},"institutions":[{"id":"https://openalex.org/I33374188","display_name":"Kao Yuan University","ror":"https://ror.org/04nk1k821","country_code":"TW","type":"education","lineage":["https://openalex.org/I33374188"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Chia\u2010Hung Lin","raw_affiliation_strings":["Department of Electrical Engineering, Kao-Yuan University, Kaohsiung City, 82151 Taiwan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering, Kao-Yuan University, Kaohsiung City, 82151 Taiwan","institution_ids":["https://openalex.org/I33374188"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5113544422"],"corresponding_institution_ids":["https://openalex.org/I4210158999"],"apc_list":{"value":2520,"currency":"USD","value_usd":2520},"apc_paid":null,"fwci":1.6784,"has_fulltext":true,"cited_by_count":12,"citation_normalized_percentile":{"value":0.83805699,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":88,"max":97},"biblio":{"volume":"9","issue":"6","first_page":"709","last_page":"716"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10641","display_name":"Central Venous Catheters and Hemodialysis","score":0.7006999850273132,"subfield":{"id":"https://openalex.org/subfields/2706","display_name":"Critical Care and Intensive Care 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/T10641","display_name":"Central Venous Catheters and Hemodialysis","score":0.7006999850273132,"subfield":{"id":"https://openalex.org/subfields/2706","display_name":"Critical Care and Intensive Care 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":0.1404000073671341,"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/T12067","display_name":"Renal and Vascular Pathologies","score":0.06790000200271606,"subfield":{"id":"https://openalex.org/subfields/2727","display_name":"Nephrology"},"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/arteriovenous-graft","display_name":"arteriovenous graft","score":0.9679999947547913},{"id":"https://openalex.org/keywords/flow-instability","display_name":"flow instability","score":0.6700000166893005},{"id":"https://openalex.org/keywords/stenosis","display_name":"stenosis","score":0.8309999704360962},{"id":"https://openalex.org/keywords/astable-multivibrator","display_name":"astable multivibrator","score":0.8960000276565552},{"id":"https://openalex.org/keywords/equivalent-circuit-model","display_name":"equivalent circuit model","score":0.8320000171661377},{"id":"https://openalex.org/keywords/vessel-compliance","display_name":"vessel compliance","score":0.6190000176429749},{"id":"https://openalex.org/keywords/flow-resistance","display_name":"flow resistance","score":0.7940000295639038},{"id":"https://openalex.org/keywords/lateral-vibration","display_name":"transverse vibration","score":0.7599999904632568},{"id":"https://openalex.org/keywords/time-constant","display_name":"time constant","score":0.6420000195503235}],"concepts":[{"id":"https://openalex.org/C198537423","wikidata":"https://www.wikidata.org/wiki/Q259838","display_name":"Multivibrator","level":3,"score":0.6395177841186523},{"id":"https://openalex.org/C57879066","wikidata":"https://www.wikidata.org/wiki/Q41217","display_name":"Mechanics","level":1,"score":0.5941254496574402},{"id":"https://openalex.org/C158846371","wikidata":"https://www.wikidata.org/wiki/Q1642137","display_name":"Blood flow","level":2,"score":0.5793060660362244},{"id":"https://openalex.org/C79191276","wikidata":"https://www.wikidata.org/wiki/Q7259620","display_name":"Pulsatile flow","level":2,"score":0.5139910578727722},{"id":"https://openalex.org/C2781460075","wikidata":"https://www.wikidata.org/wiki/Q1399332","display_name":"Compliance (psychology)","level":2,"score":0.5065971612930298},{"id":"https://openalex.org/C180205008","wikidata":"https://www.wikidata.org/wiki/Q159190","display_name":"Amplitude","level":2,"score":0.49318307638168335},{"id":"https://openalex.org/C38349280","wikidata":"https://www.wikidata.org/wiki/Q1434290","display_name":"Flow (mathematics)","level":2,"score":0.4773523807525635},{"id":"https://openalex.org/C198394728","wikidata":"https://www.wikidata.org/wiki/Q3695508","display_name":"Vibration","level":2,"score":0.440823495388031},{"id":"https://openalex.org/C2994203641","wikidata":"https://www.wikidata.org/wiki/Q5712543","display_name":"Blood viscosity","level":2,"score":0.43675342202186584},{"id":"https://openalex.org/C154954056","wikidata":"https://www.wikidata.org/wiki/Q1604164","display_name":"Transverse plane","level":2,"score":0.42321521043777466},{"id":"https://openalex.org/C136229726","wikidata":"https://www.wikidata.org/wiki/Q327092","display_name":"Biomedical engineering","level":1,"score":0.38117098808288574},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.37676799297332764},{"id":"https://openalex.org/C24890656","wikidata":"https://www.wikidata.org/wiki/Q82811","display_name":"Acoustics","level":1,"score":0.3020916283130646},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.27637040615081787},{"id":"https://openalex.org/C66938386","wikidata":"https://www.wikidata.org/wiki/Q633538","display_name":"Structural engineering","level":1,"score":0.18202859163284302},{"id":"https://openalex.org/C164705383","wikidata":"https://www.wikidata.org/wiki/Q10379","display_name":"Cardiology","level":1,"score":0.15731626749038696},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.15571555495262146},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.1469285488128662},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.13049110770225525},{"id":"https://openalex.org/C165801399","wikidata":"https://www.wikidata.org/wiki/Q25428","display_name":"Voltage","level":2,"score":0.10350453853607178},{"id":"https://openalex.org/C15744967","wikidata":"https://www.wikidata.org/wiki/Q9418","display_name":"Psychology","level":0,"score":0.0},{"id":"https://openalex.org/C77805123","wikidata":"https://www.wikidata.org/wiki/Q161272","display_name":"Social psychology","level":1,"score":0.0},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1049/iet-smt.2014.0264","doi":"https://doi.org/10.1049/iet-smt.2014.0264","is_oa":true,"landing_page_url":"https://doi.org/10.1049/iet-smt.2014.0264","pdf_url":"https://onlinelibrary.wiley.com/doi/pdfdirect/10.1049/iet-smt.2014.0264","source":{"id":"https://openalex.org/S79875459","display_name":"IET Science Measurement & Technology","issn_l":"1751-8822","issn":["1751-8822","1751-8830"],"is_oa":false,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","dongbi-c","jufo-1","norway-1","oarl","poland-70","russia-white-list-2"],"host_organization":"https://openalex.org/P4310311714","host_organization_name":"Institution of Engineering and Technology","host_organization_lineage":["https://openalex.org/P4310311714"],"host_organization_lineage_names":["Institution of Engineering and Technology"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IET Science, Measurement & Technology","raw_type":"journal-article"}],"best_oa_location":{"id":"doi:10.1049/iet-smt.2014.0264","doi":"https://doi.org/10.1049/iet-smt.2014.0264","is_oa":true,"landing_page_url":"https://doi.org/10.1049/iet-smt.2014.0264","pdf_url":"https://onlinelibrary.wiley.com/doi/pdfdirect/10.1049/iet-smt.2014.0264","source":{"id":"https://openalex.org/S79875459","display_name":"IET Science Measurement & Technology","issn_l":"1751-8822","issn":["1751-8822","1751-8830"],"is_oa":false,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","dongbi-c","jufo-1","norway-1","oarl","poland-70","russia-white-list-2"],"host_organization":"https://openalex.org/P4310311714","host_organization_name":"Institution of Engineering and Technology","host_organization_lineage":["https://openalex.org/P4310311714"],"host_organization_lineage_names":["Institution of Engineering and Technology"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IET Science, Measurement & Technology","raw_type":"journal-article"},"sustainable_development_goals":[{"score":0.6240000128746033,"id":"https://metadata.un.org/sdg/3","display_name":"Good health and well-being"}],"study_designs":[],"awards":[{"id":"https://openalex.org/G2791708790","display_name":null,"funder_award_id":"NCKUH\u2010103\u201005001","funder_id":"https://openalex.org/F4320324663","funder_display_name":"National Cheng Kung University"}],"funders":[{"id":"https://openalex.org/F4320324663","display_name":"National Cheng Kung University","ror":"https://ror.org/01b8kcc49"}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2039891719.pdf","grobid_xml":"https://content.openalex.org/works/W2039891719.grobid-xml"},"referenced_works_count":28,"referenced_works":["https://openalex.org/W328800484","https://openalex.org/W1884846489","https://openalex.org/W1968409580","https://openalex.org/W1986069215","https://openalex.org/W1993775892","https://openalex.org/W2000113509","https://openalex.org/W2007395777","https://openalex.org/W2013069760","https://openalex.org/W2043647569","https://openalex.org/W2048124490","https://openalex.org/W2051092593","https://openalex.org/W2051146515","https://openalex.org/W2058356924","https://openalex.org/W2063965624","https://openalex.org/W2077941879","https://openalex.org/W2083702782","https://openalex.org/W2089884698","https://openalex.org/W2089887334","https://openalex.org/W2099185012","https://openalex.org/W2100263882","https://openalex.org/W2107176577","https://openalex.org/W2128523542","https://openalex.org/W2133422412","https://openalex.org/W2155389906","https://openalex.org/W2161677791","https://openalex.org/W2163232451","https://openalex.org/W2163721602","https://openalex.org/W2295101953"],"related_works":["https://openalex.org/W2266057155","https://openalex.org/W1719856305","https://openalex.org/W2058356924","https://openalex.org/W1988950383","https://openalex.org/W2418155679","https://openalex.org/W2975339767","https://openalex.org/W4400843068","https://openalex.org/W2526823910","https://openalex.org/W2746997948","https://openalex.org/W2948953153"],"abstract_inverted_index":{"In":[0],"clinical":[1],"examinations,":[2],"narrowed":[3],"vessel":[4,31,34,84,118],"accesses":[5],"will":[6,95,191],"produce":[7],"unsteady":[8],"flow":[9,15,24,94,115,140],"and":[10,23,27,37,92,100,105,117,142,206],"cause":[11],"changes":[12],"in":[13,20,146],"blood":[14,42,53,61,76],"volume.":[16],"These":[17],"phenomena":[18,79],"result":[19],"pressure,":[21],"velocity":[22],"resistance":[25,51],"increases":[26],"induce":[28,96],"stress":[29],"on":[30,81],"walls.":[32],"The":[33,55],"wall":[35,85],"vibrates":[36],"squeezes":[38],"the":[39,71,75,82,101,114,139,143,154,165,183,188,203,212],"low":[40],"axial":[41],"flow,":[43],"a":[44,58,64,161],"lumped":[45,65],"resistor":[46],"(":[47,67,132],"R":[48,133],")":[49,69],"representing":[50,70],"to":[52,137,180],"flow.":[54],"compliance":[56,72],"is":[57],"pressure":[59],"against":[60],"volume":[62],"relationship,":[63],"capacitor":[66],"C":[68,135],"capacity":[73],"of":[74,87,108,167,197,211,223],"vessel.":[77],"Vibration":[78],"results":[80,152],"elastic":[83],"because":[86,187,196],"transverse":[88,109],"vibration":[89,198],"pressure.":[90],"Turbulent":[91],"instability":[93,141],"simple":[97],"harmonic":[98],"motions,":[99],"rise":[102],"time,":[103],"amplitude":[104],"pulse":[106],"duration":[107],"vibrations":[110],"are":[111,178],"determined":[112],"by":[113],"resistances":[116],"compliances.":[119],"Hence,":[120],"an":[121],"astable":[122],"multivibrator":[123],"as":[124,164],"detection":[125],"model":[126,215],"employs":[127],"time":[128,155,195],"constant,":[129],"\u03c4":[130,176],"=":[131,174],"\u00d7":[134],"),":[136,177],"evaluate":[138],"dysfunction":[144],"risk":[145],"in\u2010vitro":[147],"arteriovenous":[148],"grafts":[149],"(AVGs).":[150],"Experimental":[151],"show":[153],"constants":[156],"have":[157],"linear":[158],"regression":[159],"with":[160,194,202],"positive":[162],"correlation":[163],"degree":[166],"stenosis":[168],"increases.":[169,199],"Positive":[170],"pole":[171],"values,":[172],"s":[173],"(\u22121/":[175],"used":[179],"validate":[181],"that":[182],"AVG":[184,224],"be":[185,217],"unstable":[186],"force":[189],"responses":[190],"continuously":[192],"grow":[193],"For":[200],"comparison":[201],"computerised":[204],"analysis":[205],"auscultation":[207],"method,":[208],"in\u2010vivo":[209],"examinations":[210],"proposed":[213],"equivalent":[214],"can":[216],"further":[218],"carried":[219],"out":[220],"for":[221],"screening":[222],"dysfunction.":[225]},"counts_by_year":[{"year":2023,"cited_by_count":3},{"year":2022,"cited_by_count":1},{"year":2019,"cited_by_count":2},{"year":2018,"cited_by_count":2},{"year":2017,"cited_by_count":3},{"year":2016,"cited_by_count":1}],"updated_date":"2026-10-30T12:39:25.321706","created_date":"2016-06-24T00:00:00"}