{"id":"https://openalex.org/W2005237478","doi":"https://doi.org/10.2214/ajr.168.2.9016220","title":"Doppler sonography evaluation of superior mesenteric artery flow to assess Crohn's disease activity: correlation with clinical evaluation, Crohn's disease activity index, and alpha 1-antitrypsin clearance in feces.","display_name":"Doppler sonography evaluation of superior mesenteric artery flow to assess Crohn's disease activity: correlation with clinical evaluation, Crohn's disease activity index, and alpha 1-antitrypsin clearance in feces.","publication_year":1997,"publication_date":"1997-02-01","ids":{"openalex":"https://openalex.org/W2005237478","doi":"https://doi.org/10.2214/ajr.168.2.9016220","mag":"2005237478","pmid":"https://pubmed.ncbi.nlm.nih.gov/9016220"},"language":"en","primary_location":{"id":"doi:10.2214/ajr.168.2.9016220","doi":"https://doi.org/10.2214/ajr.168.2.9016220","is_oa":false,"landing_page_url":"https://doi.org/10.2214/ajr.168.2.9016220","pdf_url":null,"source":{"id":"https://openalex.org/S161085503","display_name":"American Journal of Roentgenology","issn_l":"0002-9580","issn":["0002-9580","0361-803X","1546-3141"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-b","doyens","jufo-1","ki-jl-2","medline","norway-2","poland-100","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310315781","host_organization_name":"American Roentgen Ray Society","host_organization_lineage":["https://openalex.org/P4310315781"],"host_organization_lineage_names":["American Roentgen Ray Society"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"American Journal of Roentgenology","raw_type":"journal-article"},"volume":null,"type":"article","indexed_in":["crossref","pubmed"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5108211261","display_name":"J A van Oostayen","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I2800006345","display_name":"Leiden University Medical Center","ror":"https://ror.org/05xvt9f17","country_code":"NL","type":"funder","lineage":["https://openalex.org/I2800006345"]}],"countries":["NL"],"is_corresponding":false,"raw_author_name":"J A van Oostayen","raw_affiliation_strings":["Department of Diagnostic Radiology, University Hospital Leiden, The Netherlands"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Diagnostic Radiology, University Hospital Leiden, The Netherlands","institution_ids":["https://openalex.org/I2800006345"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5053226901","display_name":"Martin N.J.M. Wasser","orcid":"https://orcid.org/0000-0002-7020-5242","observed_orcids":["https://orcid.org/0000-0002-7020-5242"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"M N Wasser","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5054716371","display_name":"Ruud A. van Hogezand","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"R A van Hogezand","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5107391871","display_name":"Gerrit G. Griffioen","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"G Griffioen","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5110002086","display_name":"Izak Biemond","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"I Biemond","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5079248792","display_name":"C. B. H. W. Lamers","orcid":"https://orcid.org/0000-0002-6887-1377","observed_orcids":["https://orcid.org/0000-0002-6887-1377"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"C B Lamers","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5061374464","display_name":"A. Roos","orcid":"https://orcid.org/0000-0001-8860-5538","observed_orcids":["https://orcid.org/0000-0001-8860-5538"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"A de Roos","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":2.8151,"has_fulltext":false,"cited_by_count":69,"citation_normalized_percentile":{"value":0.90702866,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":98},"biblio":{"volume":"168","issue":"2","first_page":"429","last_page":"433"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10134","display_name":"Inflammatory Bowel Disease","score":0.9990000128746033,"subfield":{"id":"https://openalex.org/subfields/1311","display_name":"Genetics"},"field":{"id":"https://openalex.org/fields/13","display_name":"Biochemistry, Genetics and Molecular Biology"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},"topics":[{"id":"https://openalex.org/T10134","display_name":"Inflammatory Bowel Disease","score":0.9990000128746033,"subfield":{"id":"https://openalex.org/subfields/1311","display_name":"Genetics"},"field":{"id":"https://openalex.org/fields/13","display_name":"Biochemistry, Genetics and Molecular Biology"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T11625","display_name":"Abdominal vascular conditions and treatments","score":0.00039999998989515007,"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/T11473","display_name":"Appendicitis Diagnosis and Management","score":0.0,"subfield":{"id":"https://openalex.org/subfields/2711","display_name":"Emergency 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/crohn-s-disease","display_name":"Crohn's disease","score":0.9980000257492065},{"id":"https://openalex.org/keywords/superior-mesenteric-artery","display_name":"superior mesenteric artery","score":0.8410000205039978},{"id":"https://openalex.org/keywords/doppler-flow","display_name":"Doppler flow","score":0.699999988079071},{"id":"https://openalex.org/keywords/disease-activity-assessment","display_name":"disease activity assessment","score":0.8050000071525574},{"id":"https://openalex.org/keywords/crohn-s-disease-activity-index","display_name":"CDAI","score":0.9789999723434448},{"id":"https://openalex.org/keywords/noninvasive-biomarkers","display_name":"non-invasive biomarkers","score":0.6809999942779541},{"id":"https://openalex.org/keywords/intestinal-blood-flow","display_name":"intestinal blood flow","score":0.4869999885559082}],"concepts":[{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.9398921728134155},{"id":"https://openalex.org/C2779280984","wikidata":"https://www.wikidata.org/wiki/Q1472","display_name":"Crohn's disease","level":3,"score":0.709629476070404},{"id":"https://openalex.org/C61716771","wikidata":"https://www.wikidata.org/wiki/Q496","display_name":"Feces","level":2,"score":0.5922067165374756},{"id":"https://openalex.org/C64943373","wikidata":"https://www.wikidata.org/wiki/Q2651003","display_name":"Alpha (finance)","level":4,"score":0.5468409657478333},{"id":"https://openalex.org/C2781046184","wikidata":"https://www.wikidata.org/wiki/Q367570","display_name":"Superior mesenteric artery","level":2,"score":0.5283592343330383},{"id":"https://openalex.org/C126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","level":1,"score":0.5275266170501709},{"id":"https://openalex.org/C90924648","wikidata":"https://www.wikidata.org/wiki/Q120569","display_name":"Gastroenterology","level":1,"score":0.49910902976989746},{"id":"https://openalex.org/C2779134260","wikidata":"https://www.wikidata.org/wiki/Q12136","display_name":"Disease","level":2,"score":0.4824714958667755},{"id":"https://openalex.org/C2992045693","wikidata":"https://www.wikidata.org/wiki/Q109374671","display_name":"Doppler sonography","level":2,"score":0.4458252191543579},{"id":"https://openalex.org/C158846371","wikidata":"https://www.wikidata.org/wiki/Q1642137","display_name":"Blood flow","level":2,"score":0.41781097650527954},{"id":"https://openalex.org/C141071460","wikidata":"https://www.wikidata.org/wiki/Q40821","display_name":"Surgery","level":1,"score":0.18925344944000244},{"id":"https://openalex.org/C49453240","wikidata":"https://www.wikidata.org/wiki/Q1592163","display_name":"Construct validity","level":3,"score":0.0},{"id":"https://openalex.org/C2775944032","wikidata":"https://www.wikidata.org/wiki/Q22907659","display_name":"Patient satisfaction","level":2,"score":0.0},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0},{"id":"https://openalex.org/C151730666","wikidata":"https://www.wikidata.org/wiki/Q7205","display_name":"Paleontology","level":1,"score":0.0}],"mesh":[{"descriptor_ui":"D000328","descriptor_name":"Adult","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D000515","descriptor_name":"alpha 1-Antitrypsin","qualifier_ui":"Q000032","qualifier_name":"analysis","is_major_topic":true},{"descriptor_ui":"D003424","descriptor_name":"Crohn Disease","qualifier_ui":"Q000000981","qualifier_name":"diagnostic imaging","is_major_topic":true},{"descriptor_ui":"D003424","descriptor_name":"Crohn Disease","qualifier_ui":"Q000175","qualifier_name":"diagnosis","is_major_topic":false},{"descriptor_ui":"D003424","descriptor_name":"Crohn Disease","qualifier_ui":"Q000503","qualifier_name":"physiopathology","is_major_topic":false},{"descriptor_ui":"D005243","descriptor_name":"Feces","qualifier_ui":"Q000737","qualifier_name":"chemistry","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":"D011446","descriptor_name":"Prospective Studies","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D012720","descriptor_name":"Severity of Illness Index","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D013152","descriptor_name":"Splanchnic Circulation","qualifier_ui":"Q000502","qualifier_name":"physiology","is_major_topic":true},{"descriptor_ui":"D017538","descriptor_name":"Mesenteric Artery, Superior","qualifier_ui":"Q000000981","qualifier_name":"diagnostic imaging","is_major_topic":true},{"descriptor_ui":"D018608","descriptor_name":"Ultrasonography, Doppler","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true}],"locations_count":2,"locations":[{"id":"doi:10.2214/ajr.168.2.9016220","doi":"https://doi.org/10.2214/ajr.168.2.9016220","is_oa":false,"landing_page_url":"https://doi.org/10.2214/ajr.168.2.9016220","pdf_url":null,"source":{"id":"https://openalex.org/S161085503","display_name":"American Journal of Roentgenology","issn_l":"0002-9580","issn":["0002-9580","0361-803X","1546-3141"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-b","doyens","jufo-1","ki-jl-2","medline","norway-2","poland-100","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310315781","host_organization_name":"American Roentgen Ray Society","host_organization_lineage":["https://openalex.org/P4310315781"],"host_organization_lineage_names":["American Roentgen Ray Society"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"American Journal of Roentgenology","raw_type":"journal-article"},{"id":"pmid:9016220","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/9016220","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":"AJR. American journal of roentgenology","raw_type":"Journal Article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":1.0,"id":"https://metadata.un.org/sdg/3","display_name":"Good health and well-being"}],"study_designs":[{"id":"https://openalex.org/study-designs/observational-study","display_name":"Observational Study"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W2122608225","https://openalex.org/W2143408410","https://openalex.org/W2053553422","https://openalex.org/W2051721216","https://openalex.org/W2148528287","https://openalex.org/W7216577708","https://openalex.org/W2318972106","https://openalex.org/W2111273386","https://openalex.org/W2133759130","https://openalex.org/W1979917246"],"abstract_inverted_index":{"OBJECTIVE:":[0],"This":[1,209,231],"study":[2,211],"was":[3,115,127,140],"undertaken":[4],"to":[5,117,196,222],"investigate":[6],"the":[7,14,58,145,148,154,181,186,192,201,238],"value":[8,189,236],"of":[9,13,37,61,98,103,137,147,235,242],"Doppler":[10,34,62,155,215],"flow":[11,40,63,106,158,206,217],"measurements":[12,36,64,102,218],"superior":[15],"mesenteric":[16],"artery":[17],"(SMA)":[18],"as":[19],"a":[20,55,197],"marker":[21],"for":[22,67,168,203],"disease":[23,68,71,113,123,139,224,254],"activity":[24,72,114,136,225],"in":[25,44,226,237],"patients":[26,47,111,227,243],"with":[27,48,191,228,244],"Crohn's":[28,50,70,122,138,229,245],"disease.":[29,51,230],"SUBJECTS":[30],"AND":[31],"METHODS:":[32],"Duplex":[33],"sonography":[35],"SMA":[38,104,156,204,214],"blood":[39,105,157,205,216],"volume":[41],"were":[42,107,160],"obtained":[43],"29":[45,99],"consecutive":[46],"suspected":[49],"We":[52],"prospectively":[53],"sought":[54],"correlation":[56],"between":[57],"independent":[59],"assessment":[60],"and":[65,74,79,93,240],"markers":[66],"activity:":[69],"index":[73],"fecal":[75],"alpha":[76,187],"1-antitrypsin":[77,188],"clearance":[78],"our":[80],"reference":[81,149,193],"standard":[82,194],"based":[83],"on":[84,144,253],"clinical":[85],"history,":[86],"physical":[87],"examination,":[88],"laboratory":[89],"values,":[90],"endoscopy,":[91],"surgery,":[92],"follow-up.":[94],"RESULTS:":[95],"In":[96,109,133,151],"27":[97],"patients,":[100,135],"adequate":[101],"obtained.":[108],"15":[110],"no":[112,121],"judged":[116],"be":[118,220,234],"present":[119],"or":[120],"(n":[124],"=":[125],"2)":[126,143],"found":[128],"at":[129],"follow-up":[130,241],"(group":[131,142],"1).":[132],"12":[134],"diagnosed":[141],"basis":[146],"standard.":[150],"group":[152,169],"2":[153],"values":[159,202],"significantly":[161],"higher":[162],"(p":[163],"<":[164],".05)":[165],"than":[166,200],"those":[167],"1":[170],"(826":[171],"+/-":[172,177],"407":[173],"ml/min":[174],"versus":[175],"323":[176],"103":[178],"ml/min).":[179],"Of":[180],"other":[182],"parameters":[183],"investigated,":[184],"only":[185],"correlated":[190],"but":[195],"lesser":[198],"degree":[199],"measurement.":[207],"CONCLUSION:":[208],"prospective":[210],"shows":[212],"that":[213],"can":[219],"used":[221],"assess":[223],"approach":[232],"may":[233],"diagnosis":[239],"disease,":[246],"providing":[247],"directly":[248],"available,":[249],"quantifiable,":[250],"noninvasive":[251],"information":[252],"activity.":[255]},"counts_by_year":[{"year":2021,"cited_by_count":2},{"year":2019,"cited_by_count":2},{"year":2016,"cited_by_count":1},{"year":2013,"cited_by_count":3},{"year":2012,"cited_by_count":4}],"updated_date":"2026-10-31T12:09:11.096373","created_date":"2016-06-24T00:00:00"}
