{"id":"https://openalex.org/W1685848792","doi":null,"title":"Characterization of chronic aortic and mitral regurgitation using echocardiography and cardiovascular magnetic resonance","display_name":"Characterization of chronic aortic and mitral regurgitation using echocardiography and cardiovascular magnetic resonance","publication_year":2015,"publication_date":"2015-08-24","ids":{"openalex":"https://openalex.org/W1685848792","mag":"1685848792"},"language":"en","primary_location":{"id":"pmh:oai:gupea.ub.gu.se:2077/38759","doi":null,"is_oa":true,"landing_page_url":"http://hdl.handle.net/2077/38759","pdf_url":"http://hdl.handle.net/2077/38759","source":{"id":"https://openalex.org/S4306401168","display_name":"Gothenburg University Publications Electronic Archive (Gothenburg University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I881427289","host_organization_name":"University of Gothenburg","host_organization_lineage":["https://openalex.org/I881427289"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Doctoral thesis"},"volume":null,"type":"dissertation","is_traditional":true,"indexed_in":[],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"http://hdl.handle.net/2077/38759","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5027015327","display_name":"Christian Lars Polte","orcid":"https://orcid.org/0000-0001-7125-9747","observed_orcids":["https://orcid.org/0000-0001-7125-9747"]},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"Christian L. Polte","raw_affiliation_strings":[],"raw_orcid":"https://orcid.org/0000-0001-7125-9747","affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":["https://openalex.org/A5027015327"],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":true,"cited_by_count":0,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10172","display_name":"Cardiac Valve Diseases and Treatments","score":0.9961000084877014,"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":0.9961000084877014,"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":0.0024999999441206455,"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"}},{"id":"https://openalex.org/T10821","display_name":"Cardiovascular Function and Risk Factors","score":0.000699999975040555,"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/chronic-aortic-regurgitation","display_name":"chronic aortic regurgitation","score":0.9810000061988831},{"id":"https://openalex.org/keywords/chronic-mitral-regurgitation","display_name":"chronic mitral regurgitation","score":0.9459999799728394},{"id":"https://openalex.org/keywords/regurgitation-severity-grading","display_name":"regurgitation severity grading","score":0.8690000176429749},{"id":"https://openalex.org/keywords/left-ventricular-size","display_name":"left ventricular dimensions","score":0.8330000042915344},{"id":"https://openalex.org/keywords/real-time-3d-echocardiography","display_name":"real-time three-dimensional echocardiography","score":0.9039999842643738},{"id":"https://openalex.org/keywords/cardiovascular-magnetic-resonance","display_name":"cardiovascular magnetic resonance","score":0.7730000019073486},{"id":"https://openalex.org/keywords/regurgitant-volume-quantification","display_name":"regurgitant volume quantification","score":0.8519999980926514},{"id":"https://openalex.org/keywords/regurgitant-fraction","display_name":"regurgitant fraction","score":0.7429999709129333},{"id":"https://openalex.org/keywords/phantom-model","display_name":"phantom model","score":0.5320000052452087},{"id":"https://openalex.org/keywords/postoperative-follow-up","display_name":"postoperative follow-up","score":0.5709999799728394},{"id":"https://openalex.org/keywords/left-ventricular-dilation","display_name":"left ventricular dilatation","score":0.6290000081062317}],"concepts":[{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.8094201683998108},{"id":"https://openalex.org/C164705383","wikidata":"https://www.wikidata.org/wiki/Q10379","display_name":"Cardiology","level":1,"score":0.6448752880096436},{"id":"https://openalex.org/C2987145844","wikidata":"https://www.wikidata.org/wiki/Q5038325","display_name":"Cardiac magnetic resonance","level":3,"score":0.6199589967727661},{"id":"https://openalex.org/C126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","level":1,"score":0.584292471408844},{"id":"https://openalex.org/C143409427","wikidata":"https://www.wikidata.org/wiki/Q161238","display_name":"Magnetic resonance imaging","level":2,"score":0.5783939957618713},{"id":"https://openalex.org/C2993373945","wikidata":"https://www.wikidata.org/wiki/Q268292","display_name":"Mitral regurgitation","level":2,"score":0.5777603387832642},{"id":"https://openalex.org/C2776008845","wikidata":"https://www.wikidata.org/wiki/Q5038325","display_name":"Cardiac magnetic resonance imaging","level":3,"score":0.4230727553367615},{"id":"https://openalex.org/C126838900","wikidata":"https://www.wikidata.org/wiki/Q77604","display_name":"Radiology","level":1,"score":0.41615256667137146},{"id":"https://openalex.org/C2989005","wikidata":"https://www.wikidata.org/wiki/Q214963","display_name":"Nuclear medicine","level":1,"score":0.3758724629878998}],"mesh":[],"locations_count":2,"locations":[{"id":"pmh:oai:gupea.ub.gu.se:2077/38759","doi":null,"is_oa":true,"landing_page_url":"http://hdl.handle.net/2077/38759","pdf_url":"http://hdl.handle.net/2077/38759","source":{"id":"https://openalex.org/S4306401168","display_name":"Gothenburg University Publications Electronic Archive (Gothenburg University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I881427289","host_organization_name":"University of Gothenburg","host_organization_lineage":["https://openalex.org/I881427289"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Doctoral thesis"},{"id":"mag:1685848792","doi":null,"is_oa":false,"landing_page_url":"https://gupea.ub.gu.se/bitstream/2077/38759/2/gupea_2077_38759_2.pdf","pdf_url":null,"source":null,"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":null}],"best_oa_location":{"id":"pmh:oai:gupea.ub.gu.se:2077/38759","doi":null,"is_oa":true,"landing_page_url":"http://hdl.handle.net/2077/38759","pdf_url":"http://hdl.handle.net/2077/38759","source":{"id":"https://openalex.org/S4306401168","display_name":"Gothenburg University Publications Electronic Archive (Gothenburg University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I881427289","host_organization_name":"University of Gothenburg","host_organization_lineage":["https://openalex.org/I881427289"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Doctoral thesis"},"sustainable_development_goals":[{"display_name":"Good health and well-being","score":0.98580002784729,"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":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W1685848792.pdf","grobid_xml":"https://content.openalex.org/works/W1685848792.grobid-xml"},"referenced_works_count":114,"referenced_works":["https://openalex.org/W16620245","https://openalex.org/W56803693","https://openalex.org/W78921429","https://openalex.org/W144321015","https://openalex.org/W157061241","https://openalex.org/W163250284","https://openalex.org/W178158371","https://openalex.org/W234405137","https://openalex.org/W1503282236","https://openalex.org/W1514135335","https://openalex.org/W1604690586","https://openalex.org/W1644997609","https://openalex.org/W1909101599","https://openalex.org/W1948348644","https://openalex.org/W1964816689","https://openalex.org/W1965852118","https://openalex.org/W1970547390","https://openalex.org/W1970793755","https://openalex.org/W1974383426","https://openalex.org/W1976318121","https://openalex.org/W1979097847","https://openalex.org/W1994085864","https://openalex.org/W1994694881","https://openalex.org/W1996020732","https://openalex.org/W1997162840","https://openalex.org/W1997975020","https://openalex.org/W1998166247","https://openalex.org/W2003489087","https://openalex.org/W2003740803","https://openalex.org/W2007559384","https://openalex.org/W2013168896","https://openalex.org/W2013980680","https://openalex.org/W2015790980","https://openalex.org/W2015795623","https://openalex.org/W2019368841","https://openalex.org/W2021561422","https://openalex.org/W2023483730","https://openalex.org/W2025205232","https://openalex.org/W2027887811","https://openalex.org/W2029789299","https://openalex.org/W2030221189","https://openalex.org/W2030426088","https://openalex.org/W2030986823","https://openalex.org/W2033292054","https://openalex.org/W2035875565","https://openalex.org/W2037742571","https://openalex.org/W2037964948","https://openalex.org/W2039372328","https://openalex.org/W2042814669","https://openalex.org/W2043502056","https://openalex.org/W2045640627","https://openalex.org/W2050217648","https://openalex.org/W2051217768","https://openalex.org/W2052900937","https://openalex.org/W2053981158","https://openalex.org/W2054436867","https://openalex.org/W2055051431","https://openalex.org/W2055477668","https://openalex.org/W2055861131","https://openalex.org/W2056282659","https://openalex.org/W2060241869","https://openalex.org/W2061099649","https://openalex.org/W2061868495","https://openalex.org/W2063931623","https://openalex.org/W2066990527","https://openalex.org/W2067991141","https://openalex.org/W2068029136","https://openalex.org/W2070310382","https://openalex.org/W2071477700","https://openalex.org/W2071824807","https://openalex.org/W2082743257","https://openalex.org/W2085728130","https://openalex.org/W2086508525","https://openalex.org/W2088342987","https://openalex.org/W2089385335","https://openalex.org/W2091235197","https://openalex.org/W2091664923","https://openalex.org/W2092149414","https://openalex.org/W2094117976","https://openalex.org/W2095032204","https://openalex.org/W2099651022","https://openalex.org/W2100082339","https://openalex.org/W2101698537","https://openalex.org/W2102703007","https://openalex.org/W2104469694","https://openalex.org/W2105354279","https://openalex.org/W2106089315","https://openalex.org/W2106155862","https://openalex.org/W2112050863","https://openalex.org/W2112629540","https://openalex.org/W2119120323","https://openalex.org/W2121842052","https://openalex.org/W2122323601","https://openalex.org/W2122694177","https://openalex.org/W2124624517","https://openalex.org/W2132787043","https://openalex.org/W2136566853","https://openalex.org/W2136901017","https://openalex.org/W2141312007","https://openalex.org/W2141975603","https://openalex.org/W2142960358","https://openalex.org/W2144700172","https://openalex.org/W2146578470","https://openalex.org/W2152108081","https://openalex.org/W2155596187","https://openalex.org/W2159584910","https://openalex.org/W2159759971","https://openalex.org/W2163886168","https://openalex.org/W2167194715","https://openalex.org/W2168372494","https://openalex.org/W2175160632","https://openalex.org/W2323812521","https://openalex.org/W2546457908","https://openalex.org/W4248741030"],"related_works":["https://openalex.org/W2598117316","https://openalex.org/W2339935191","https://openalex.org/W2790794789","https://openalex.org/W3027927826","https://openalex.org/W2032231028","https://openalex.org/W2319269006","https://openalex.org/W2027887811","https://openalex.org/W4288049303","https://openalex.org/W3118065623","https://openalex.org/W4286210102"],"abstract_inverted_index":{"Introduction":[0],"\u2013":[1,100,176,314],"Grading":[2],"of":[3,24,55,58,108,275,286,325,333,342,364,374,386],"chronic":[4,41,93,387],"aortic":[5],"(AR)":[6,196],"and":[7,17,76,86,132,143,230,243,256,264,301,328,377,389,397],"mitral":[8],"regurgitation":[9,375],"(MR)":[10,199],"severity":[11,276,376,391],"can":[12,321,370],"be":[13,393],"obtained":[14,318],"by":[15,290,319],"echocardiography":[16,146],"cardiovascular":[18],"magnetic":[19],"resonance":[20],"(CMR).":[21],"The":[22,101,202,247,362],"aims":[23],"the":[25,52,114,124,133,215,262,273,323,353,372,380],"four":[26],"studies":[27],"were:":[28],"(1)":[29,177,315],"to":[30,50,65,83,163,189,261,293,348,355,401],"establish":[31,84],"echocardiographic":[32,56],"thresholds":[33,89,289,304,400],"for":[34,208],"left":[35],"ventricular":[36],"(LV)":[37],"dimensions":[38,60,179,233,344],"indicating":[39,90],"severe":[40,160,184,326],"AR":[42,94,120,327,388],"or":[43,95,197],"MR,":[44,329],"using":[45],"CMR":[46,70,151,291,366,384],"as":[47,79,81,148,150],"reference,":[48],"(2)":[49,211,339],"elucidate":[51],"main":[53],"cause":[54],"underestimation":[57,341],"LV":[59,185,225,316,334,343],"compared":[61,235,296],"with":[62,159,218,236,297],"CMR,":[63,237],"(3)":[64,246,361],"systematically":[66],"compare":[67],"three":[68],"indirect":[69,365],"MR":[71,96,112,122,130,139,279,367,390],"quantification":[72,87,302,368,398],"methods":[73],"(\u2018standard\u2019,":[74],"\u2018volumetric\u2019":[75,263],"\u2018flow\u2019":[77,265],"method),":[78],"well":[80,149],"(4)":[82,281,383],"CMR-":[85,300],"method-specific":[88,303,399],"hemodynamically":[91],"significant":[92],"benefiting":[97],"from":[98,358],"surgery.\\n\\nMethods":[99],"first":[102],"prospective":[103],"study":[104],"comprised":[105],"a":[106,170],"total":[107],"93":[109],"(AR":[110,137],"(n=44),":[111],"(n=49)),":[113],"second":[115],"45":[116],"(healthy":[117,127],"volunteers":[118,128],"(n=20),":[119],"(n=17),":[121],"(n=8)),":[123],"third":[125],"52":[126],"(n=16),":[129],"(n=36))":[131],"fourth":[134],"78":[135],"participants":[136],"(n=38),":[138],"(n=40)).":[140],"Two-dimensional":[141],"(2DE)":[142],"real-time":[144],"three-dimensional":[145],"(RT3DE)":[147],"was":[152,174,205],"performed":[153],"in":[154,187,259,277,352],"all":[155,231],"participants.":[156],"Operated":[157],"patients":[158],"AR/MR,":[161],"according":[162],"2DE,":[164],"underwent":[165],"also":[166],"post-surgical":[167],"scans.":[168],"Furthermore,":[169,299],"multimodality":[171],"phantom":[172,216],"model":[173,217],"investigated.\\n\\nResults":[175],"Linear":[178],"could":[180],"not":[181,239],"sufficiently":[182],"identify":[183],"dilatation,":[186],"contrast":[188,260],"2DE":[190],"volumes,":[191],"which":[192,267,307],"showed":[193],"an":[194],"excellent":[195],"good":[198],"diagnostic":[200,203],"ability.":[201],"ability":[204,354],"less":[206],"powerful":[207],"RT3DE":[209],"volumes.":[210],"All":[212],"modalities":[213],"delineated":[214],"high":[219],"precision.":[220],"In":[221,282],"vivo,":[222],"2DE/RT3DE":[223,320],"underestimated":[224],"short-axis":[226,240],"end-diastolic":[227],"linear,":[228],"areal":[229,244],"volumetric":[232],"significantly":[234,251],"but":[238],"end-systolic":[241],"linear":[242],"dimensions.":[245],"\u2018standard\u2019":[248],"method":[249,369],"determined":[250,268],"larger":[252],"regurgitant":[253],"volumes":[254,317],"(RV)":[255],"fractions":[257],"(RF),":[258],"method,":[266],"similar":[269],"results.":[270],"This":[271],"affected":[272],"grading":[274,373,385],"operated":[278,283],"patients.":[280],"patients,":[284],"application":[285],"current":[287],"RF":[288],"led":[292],"frequent":[294],"downgrading":[295],"2DE.":[298],"were":[305,308],"established,":[306],"lower":[309],"than":[310],"recognized":[311],"guideline":[312],"criteria.\\n\\nConclusions":[313],"support":[322],"diagnosis":[324],"when":[330],"other":[331],"causes":[332],"dilation":[335],"have":[336],"been":[337],"considered.":[338],"Echocardiographic":[340],"is":[345],"mainly":[346],"due":[347],"inherent":[349],"technical":[350],"differences":[351],"differentiate":[356],"trabeculated":[357],"compact":[359],"myocardium.":[360],"choice":[363],"affect":[371],"thereby":[378],"eventually":[379],"clinical":[381,404],"decision-making.":[382,405],"should":[392],"based":[394],"on":[395],"modality-":[396],"assure":[402],"appropriate":[403]},"counts_by_year":[],"updated_date":"2026-10-12T09:40:04.860316","created_date":"2016-06-24T00:00:00"}