{"id":"https://openalex.org/W7225570252","doi":"https://doi.org/10.47972/vjcts.vi.1947","title":"Diagnostic value of multidetector computed tomography in evaluating mechanical prosthetic valve complications at Hanoi Heart Hospital","display_name":"Diagnostic value of multidetector computed tomography in evaluating mechanical prosthetic valve complications at Hanoi Heart Hospital","publication_year":2026,"publication_date":"2026-11-09","ids":{"openalex":"https://openalex.org/W7225570252","doi":"https://doi.org/10.47972/vjcts.vi.1947"},"language":"en","primary_location":{"id":"doi:10.47972/vjcts.vi.1947","doi":"https://doi.org/10.47972/vjcts.vi.1947","is_oa":true,"landing_page_url":"https://doi.org/10.47972/vjcts.vi.1947","pdf_url":"https://vjcts.vn/index.php/vjcts/article/download/1947/842","source":{"id":"https://openalex.org/S4210234217","display_name":"T\u1ea1p ch\u00ed Ph\u1eabu thu\u1eadt v\u00e0 Tim m\u1ea1ch v\u00e0 L\u1ed3ng ng\u1ef1c Vi\u1ec7t Nam","issn_l":"0866-7551","issn":["0866-7551","3093-3471"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"T\u1ea1p ch\u00ed Ph\u1eabu thu\u1eadt Tim m\u1ea1ch v\u00e0 L\u1ed3ng ng\u1ef1c Vi\u1ec7t Nam","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"diamond","oa_url":"https://vjcts.vn/index.php/vjcts/article/download/1947/842","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5014864530","display_name":"Th\u00fay H\u1ed3ng Tr\u1ea7n","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Thuy Hong Tran","raw_affiliation_strings":["Hanoi Heart Hospital"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Hanoi Heart Hospital","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5161266109","display_name":"Van Thinh Le","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Van Thinh Le","raw_affiliation_strings":["Hanoi Heart Hospital"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Hanoi Heart Hospital","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":true,"cited_by_count":0,"citation_normalized_percentile":{"value":0.0,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"98","last_page":"110"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10172","display_name":"Cardiac Valve Diseases and Treatments","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/T10172","display_name":"Cardiac Valve Diseases and Treatments","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/T10618","display_name":"Aortic Disease and Treatment Approaches","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/T10372","display_name":"Cardiac Imaging and Diagnostics","score":0.0,"subfield":{"id":"https://openalex.org/subfields/2741","display_name":"Radiology, Nuclear Medicine and Imaging"},"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/multidetector-computed-tomography","display_name":"multidetector computed tomography","score":0.9670000076293945},{"id":"https://openalex.org/keywords/mechanical-heart-valves","display_name":"mechanical heart valves","score":0.8460000157356262},{"id":"https://openalex.org/keywords/prosthetic-valve-complications","display_name":"prosthetic valve complications","score":0.9629999995231628},{"id":"https://openalex.org/keywords/aortic-valve-replacement","display_name":"aortic valve replacement","score":0.7289999723434448},{"id":"https://openalex.org/keywords/mitral-valve-replacement","display_name":"mitral valve replacement","score":0.9990000128746033},{"id":"https://openalex.org/keywords/diagnostic-accuracy","display_name":"diagnostic accuracy","score":0.6840000152587891},{"id":"https://openalex.org/keywords/ct-attenuation","display_name":"CT attenuation","score":0.671999990940094},{"id":"https://openalex.org/keywords/interobserver-agreement","display_name":"interobserver agreement","score":0.8949999809265137},{"id":"https://openalex.org/keywords/hanoi","display_name":"Hanoi","score":0.6539999842643738}],"concepts":[{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.9093999862670898},{"id":"https://openalex.org/C2993154269","wikidata":"https://www.wikidata.org/wiki/Q32566","display_name":"Multidetector computed tomography","level":3,"score":0.8950999975204468},{"id":"https://openalex.org/C126838900","wikidata":"https://www.wikidata.org/wiki/Q77604","display_name":"Radiology","level":1,"score":0.6589999794960022},{"id":"https://openalex.org/C2777746085","wikidata":"https://www.wikidata.org/wiki/Q1506304","display_name":"Pannus","level":3,"score":0.6154000163078308},{"id":"https://openalex.org/C2781362458","wikidata":"https://www.wikidata.org/wiki/Q1588755","display_name":"Thrombus","level":2,"score":0.5440999865531921},{"id":"https://openalex.org/C2780714102","wikidata":"https://www.wikidata.org/wiki/Q616071","display_name":"Aortic valve","level":2,"score":0.5163000226020813},{"id":"https://openalex.org/C2778715743","wikidata":"https://www.wikidata.org/wiki/Q181802","display_name":"Prosthesis","level":2,"score":0.4909999966621399},{"id":"https://openalex.org/C544519230","wikidata":"https://www.wikidata.org/wiki/Q32566","display_name":"Computed tomography","level":2,"score":0.4388999938964844},{"id":"https://openalex.org/C3019719930","wikidata":"https://www.wikidata.org/wiki/Q3910099","display_name":"Predictive value","level":2,"score":0.43720000982284546},{"id":"https://openalex.org/C2777543888","wikidata":"https://www.wikidata.org/wiki/Q369939","display_name":"Mitral valve","level":2,"score":0.43140000104904175},{"id":"https://openalex.org/C198433322","wikidata":"https://www.wikidata.org/wiki/Q3910099","display_name":"Predictive value of tests","level":2,"score":0.38929998874664307},{"id":"https://openalex.org/C3020132585","wikidata":"https://www.wikidata.org/wiki/Q2671652","display_name":"Diagnostic accuracy","level":2,"score":0.38690000772476196},{"id":"https://openalex.org/C137627325","wikidata":"https://www.wikidata.org/wiki/Q156318","display_name":"Etiology","level":2,"score":0.38440001010894775},{"id":"https://openalex.org/C2780026749","wikidata":"https://www.wikidata.org/wiki/Q7912830","display_name":"Valve replacement","level":3,"score":0.34709998965263367},{"id":"https://openalex.org/C167135981","wikidata":"https://www.wikidata.org/wiki/Q2146302","display_name":"Retrospective cohort study","level":2,"score":0.34200000762939453},{"id":"https://openalex.org/C163716698","wikidata":"https://www.wikidata.org/wiki/Q841267","display_name":"Tomography","level":2,"score":0.32760000228881836},{"id":"https://openalex.org/C2776229121","wikidata":"https://www.wikidata.org/wiki/Q215620","display_name":"Heart valve","level":2,"score":0.326200008392334},{"id":"https://openalex.org/C2776570981","wikidata":"https://www.wikidata.org/wiki/Q4413093","display_name":"Aortic valve replacement","level":3,"score":0.32589998841285706},{"id":"https://openalex.org/C2776127602","wikidata":"https://www.wikidata.org/wiki/Q5038319","display_name":"Cardiac imaging","level":2,"score":0.3095000088214874},{"id":"https://openalex.org/C2989005","wikidata":"https://www.wikidata.org/wiki/Q214963","display_name":"Nuclear medicine","level":1,"score":0.27390000224113464},{"id":"https://openalex.org/C53789813","wikidata":"https://www.wikidata.org/wiki/Q3553769","display_name":"Positive predicative value","level":3,"score":0.27129998803138733},{"id":"https://openalex.org/C160798450","wikidata":"https://www.wikidata.org/wiki/Q4230870","display_name":"Concordance","level":2,"score":0.2651999890804291},{"id":"https://openalex.org/C143753070","wikidata":"https://www.wikidata.org/wiki/Q162564","display_name":"Ultrasound","level":2,"score":0.26019999384880066},{"id":"https://openalex.org/C2778789114","wikidata":"https://www.wikidata.org/wiki/Q235007","display_name":"Cardiac surgery","level":2,"score":0.2590999901294708},{"id":"https://openalex.org/C2994489210","wikidata":"https://www.wikidata.org/wiki/Q282454","display_name":"Mechanical valve","level":2,"score":0.2508000135421753}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.47972/vjcts.vi.1947","doi":"https://doi.org/10.47972/vjcts.vi.1947","is_oa":true,"landing_page_url":"https://doi.org/10.47972/vjcts.vi.1947","pdf_url":"https://vjcts.vn/index.php/vjcts/article/download/1947/842","source":{"id":"https://openalex.org/S4210234217","display_name":"T\u1ea1p ch\u00ed Ph\u1eabu thu\u1eadt v\u00e0 Tim m\u1ea1ch v\u00e0 L\u1ed3ng ng\u1ef1c Vi\u1ec7t Nam","issn_l":"0866-7551","issn":["0866-7551","3093-3471"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"T\u1ea1p ch\u00ed Ph\u1eabu thu\u1eadt Tim m\u1ea1ch v\u00e0 L\u1ed3ng ng\u1ef1c Vi\u1ec7t Nam","raw_type":"journal-article"}],"best_oa_location":{"id":"doi:10.47972/vjcts.vi.1947","doi":"https://doi.org/10.47972/vjcts.vi.1947","is_oa":true,"landing_page_url":"https://doi.org/10.47972/vjcts.vi.1947","pdf_url":"https://vjcts.vn/index.php/vjcts/article/download/1947/842","source":{"id":"https://openalex.org/S4210234217","display_name":"T\u1ea1p ch\u00ed Ph\u1eabu thu\u1eadt v\u00e0 Tim m\u1ea1ch v\u00e0 L\u1ed3ng ng\u1ef1c Vi\u1ec7t Nam","issn_l":"0866-7551","issn":["0866-7551","3093-3471"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"T\u1ea1p ch\u00ed Ph\u1eabu thu\u1eadt Tim m\u1ea1ch v\u00e0 L\u1ed3ng ng\u1ef1c Vi\u1ec7t Nam","raw_type":"journal-article"},"sustainable_development_goals":[{"score":1.0,"display_name":"Good health and well-being","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/W7225570252.pdf","grobid_xml":"https://content.openalex.org/works/W7225570252.grobid-xml"},"referenced_works_count":8,"referenced_works":["https://openalex.org/W2079835705","https://openalex.org/W2141514756","https://openalex.org/W2474437461","https://openalex.org/W2911943545","https://openalex.org/W2947636016","https://openalex.org/W3043596499","https://openalex.org/W4386153816","https://openalex.org/W4390534977"],"related_works":["https://openalex.org/W2169830086","https://openalex.org/W2080015006","https://openalex.org/W2484937195","https://openalex.org/W2624938778","https://openalex.org/W4417235990","https://openalex.org/W1985027188","https://openalex.org/W1630537014","https://openalex.org/W2026172092","https://openalex.org/W4386293694","https://openalex.org/W3168673882"],"abstract_inverted_index":{"Objective:":[0],"To":[1],"evaluate":[2],"the":[3,170,241,285],"diagnostic":[4,23,134,275,323],"performance":[5,276],"of":[6,14,53,115,118,121,124,128,182,200,251,287],"multidetector":[7],"computed":[8],"tomography":[9],"(MDCT)":[10],"in":[11,33,65,75,224,232,249,320],"detecting":[12],"complications":[13],"mechanical":[15,38,108,268],"aortic":[16,39],"and":[17,90,126,141,145,153,277,284,293,309],"mitral":[18,41],"prosthetic":[19,42,55,109,269],"valves.":[20],"Methods:":[21],"A":[22],"accuracy":[24,91],"study":[25],"with":[26,36,62,165,216,240,253,266,307],"a":[27,314,321],"retrospective":[28],"cross-sectional":[29],"design":[30],"was":[31,100,157,238],"conducted":[32],"39":[34],"patients":[35,67,215],"42":[37],"and/or":[40],"valves":[43],"who":[44],"underwent":[45],"cardiac":[46],"MDCT":[47,58,98,112,227,236,246,272,312],"at":[48],"Hanoi":[49],"Heart":[50],"Hospital":[51],"because":[52],"suspected":[54,267],"valve":[56,110,210,270,296],"complications.":[57],"findings":[59,64],"were":[60,93,136,143,151],"compared":[61],"surgical":[63],"operated":[66],"or":[68],"an":[69,162,222,229],"appropriate":[70],"composite":[71],"clinical":[72,310],"reference":[73,171,242],"standard":[74],"non-operated":[76],"patients.":[77],"Sensitivity":[78],"(Se),":[79],"specificity":[80],"(Sp),":[81],"positive":[82],"predictive":[83,87],"value":[84,88],"(PPV),":[85],"negative":[86],"(NPV),":[89],"(Acc)":[92],"calculated.":[94],"Inter-reader":[95],"agreement":[96],"for":[97,148,159],"diagnosis":[99],"assessed":[101],"using":[102],"Cohen\u2019s":[103,254],"kappa.":[104],"Results:":[105],"For":[106,130,138],"overall":[107],"complications,":[111,271],"showed":[113,273],"Se":[114,140],"82.8%,":[116],"Sp":[117,142],"84.6%,":[119],"PPV":[120],"92.3%,":[122],"NPV":[123],"68.8%,":[125],"Acc":[127,156],"83.3%.":[129],"leaflet":[131,282],"obstruction,":[132],"all":[133,173,233],"indices":[135],"100%.":[137],"thrombus,":[139],"100%":[144],"96.9%,":[146],"respectively;":[147,155],"pannus,":[149],"they":[150],"92.9%":[152],"100%,":[154],"97.6%":[158],"both.":[160],"In":[161,262],"exploratory":[163],"analysis":[164],"etiologic":[166,230,300],"groups":[167],"defined":[168],"by":[169],"standard,":[172],"isolated":[174,183,201],"thrombi":[175],"had":[176,186],"attenuation":[177,187,292],"<90":[178],"HU,":[179],"whereas":[180,198,226],"91.7%":[181,199],"pannus":[184,202],"lesions":[185],">145":[188],"HU":[189],"(p<0.001).":[190,212],"Thrombus":[191],"tended":[192],"to":[193,318],"occur":[194],"earlier":[195],"after":[196,209],"surgery,":[197],"cases":[203],"occurred":[204],"more":[205],"than":[206],"5":[207],"years":[208],"replacement":[211,297],"Among":[213],"nine":[214],"comparative":[217],"data,":[218],"transesophageal":[219],"echocardiography":[220,319],"identified":[221],"etiology":[223],"66.7%,":[225],"provided":[228,278],"classification":[231,237],"cases;":[234],"one":[235],"discordant":[239],"standard.":[243],"The":[244],"two":[245],"readers":[247],"agreed":[248],"85.7%":[250],"cases,":[252],"kappa":[255],"=":[256],"0.71":[257],"(95%":[258],"CI:":[259],"0.50\u20130.92).":[260],"Conclusion:":[261],"this":[263],"selected":[264],"cohort":[265],"promising":[274],"complementary":[279,316],"information":[280],"on":[281],"motion":[283],"differentiation":[286],"thrombus":[288],"from":[289],"pannus.":[290],"CT":[291],"time":[294],"since":[295],"may":[298],"support":[299],"assessment":[301],"but":[302],"should":[303],"be":[304],"interpreted":[305],"together":[306],"morphology":[308],"findings.":[311],"is":[313],"useful":[315],"modality":[317],"multimodality":[322],"approach":[324]},"counts_by_year":[],"updated_date":"2026-11-10T11:39:43.021295","created_date":"2026-11-09T00:00:00"}