Three‐dimensional spin‐echo‐based black‐blood MRA in the detection of vasospasm following subarachnoid hemorrhage
Background Black‐blood MR angiography (BBMRA), which utilizes a non‐T1 contrast spin‐echo type technique, has been expected to overcome several issues associated with time‐of‐flight (TOF) MRA. Purpose To investigate the efficacy of BBMRA to detect vasospasms following subarachnoid hemorrhage (SAH)....
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| Veröffentlicht in: | Journal of magnetic resonance imaging 2019-03, Vol.49 (3), p.800-807 |
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| creator | Takano, Koichi Hida, Kosuke Iwaasa, Mitsutoshi Inoue, Tooru Yoshimitsu, Kengo |
| description | Background
Black‐blood MR angiography (BBMRA), which utilizes a non‐T1 contrast spin‐echo type technique, has been expected to overcome several issues associated with time‐of‐flight (TOF) MRA.
Purpose
To investigate the efficacy of BBMRA to detect vasospasms following subarachnoid hemorrhage (SAH).
Study Type
Retrospective.
Subjects
Seventeen patients with SAH in their early posttreatment period.
Field Strength/Sequence
BBMRA, which uses a volumetric isotropic turbo spin‐echo acquisition (VISTA), and TOF‐MRA on 1.5T scanners.
Assessment
Visualization of supratentorial arteries and veins in BBMRA was rated on a 4‐point scale by two neuroradiologists. Another neuroradiologist independently assessed TOF‐MRA. The degree of the vasospasm was then evaluated using a 3‐point scale by the same readers. The diagnostic performance of the MRAs was evaluated using computed tomography angiography (CTA) or digital subtraction angiography (DSA) as the standard of reference.
Statistical Tests
Wilcoxon signed rank test, McNemar test, and Cohen's kappa coefficient.
Results
BBMRA provided superior visualization of the anterior and middle cerebral arteries than TOF‐MRA (P |
| doi_str_mv | 10.1002/jmri.26231 |
| format | Article |
| fullrecord | <record><control><sourceid>proquest_cross</sourceid><recordid>TN_cdi_proquest_miscellaneous_2116116216</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><sourcerecordid>2179189263</sourcerecordid><originalsourceid>FETCH-LOGICAL-c4231-3f0908be1fee10d978c460ba7ae5afa4842bd7a43ed8530b92a724cb545ff48d3</originalsourceid><addsrcrecordid>eNp9kctKHUEQhpsQiZdkkwcIDW4kMKZvM9OzFInRoATErIe-VDt97Jk-dp-JnF0eIc_ok9gnR11kESioC1_9UPUj9JGSY0oI-7IYkz9mDeP0DdqjNWMVq2XzttSk5hWVpN1F-zkvCCFdJ-p3aJcTJgXndA-tb4YE8Pj7j_UjTNnHSQWcl34qIzBDLEmrDBbroMzdpgsxWnx1fYL9hFcDYAsrMKuyiKPDv1SOeanyiF0MIT746RbnWaukzDBFb_EAY0xpULfwHu04FTJ8eM4H6OfZ15vT8-ryx7eL05PLyohyUcUd6YjUQB0AJbZrpREN0apVUCunhBRM21YJDlbWnOiOqZYJo2tROyek5QfoaKu7TPF-hrzqR58NhKAmiHPuGaVNCUabgh7-gy7inMpHNlTbUdmxhhfq85YyKeacwPXL5EeV1j0l_caQfmNI_9eQAn96lpz1CPYVfXGgAHQLPPgA6_9I9d-vri-2ok8Arpsq</addsrcrecordid><sourcetype>Aggregation Database</sourcetype><iscdi>true</iscdi><recordtype>article</recordtype><pqid>2179189263</pqid></control><display><type>article</type><title>Three‐dimensional spin‐echo‐based black‐blood MRA in the detection of vasospasm following subarachnoid hemorrhage</title><source>Wiley Online Library Journals Frontfile Complete</source><source>Wiley Free Content</source><creator>Takano, Koichi ; Hida, Kosuke ; Iwaasa, Mitsutoshi ; Inoue, Tooru ; Yoshimitsu, Kengo</creator><creatorcontrib>Takano, Koichi ; Hida, Kosuke ; Iwaasa, Mitsutoshi ; Inoue, Tooru ; Yoshimitsu, Kengo</creatorcontrib><description>Background
Black‐blood MR angiography (BBMRA), which utilizes a non‐T1 contrast spin‐echo type technique, has been expected to overcome several issues associated with time‐of‐flight (TOF) MRA.
Purpose
To investigate the efficacy of BBMRA to detect vasospasms following subarachnoid hemorrhage (SAH).
Study Type
Retrospective.
Subjects
Seventeen patients with SAH in their early posttreatment period.
Field Strength/Sequence
BBMRA, which uses a volumetric isotropic turbo spin‐echo acquisition (VISTA), and TOF‐MRA on 1.5T scanners.
Assessment
Visualization of supratentorial arteries and veins in BBMRA was rated on a 4‐point scale by two neuroradiologists. Another neuroradiologist independently assessed TOF‐MRA. The degree of the vasospasm was then evaluated using a 3‐point scale by the same readers. The diagnostic performance of the MRAs was evaluated using computed tomography angiography (CTA) or digital subtraction angiography (DSA) as the standard of reference.
Statistical Tests
Wilcoxon signed rank test, McNemar test, and Cohen's kappa coefficient.
Results
BBMRA provided superior visualization of the anterior and middle cerebral arteries than TOF‐MRA (P < 0.05). The depiction of the veins was more pronounced on BBMRA (P < 0.01). Of the 166 arterial segments evaluated by CTA or DSA, 23 (13.9%) could not be assessed using TOF‐MRA because of high signal hemorrhage, whereas BBMRA enabled visualization of all the segments. Vasospasm was confirmed in 30 segments by CTA or DSA. The sensitivity, specificity, and positive and negative predictive values were 73, 96, 76, and 95 for TOF‐MRA and 91, 100, 100, and 98 for BBMRA, respectively (P = 0.13 for sensitivity, P = 0.06 for specificity). The agreement of the degree of vasospasm between MRA and the standard of reference, as indicated by kappa value, was 0.71 (95% confidence interval [CI], 0.55–0.87) for TOF‐MRA and 0.91 (95% CI, 0.82–0.99) for BBMRA.
Data Conclusion
BBMRA, owing to its contrast properties, may be superior to TOF‐MRA for the evaluation of intracranial arteries after SAH.
Level of Evidence: 3
Technical Efficacy: Stage 2
J. Magn. Reson. Imaging 2019;49:800–807.</description><identifier>ISSN: 1053-1807</identifier><identifier>EISSN: 1522-2586</identifier><identifier>DOI: 10.1002/jmri.26231</identifier><identifier>PMID: 30284331</identifier><language>eng</language><publisher>United States: Wiley Subscription Services, Inc</publisher><subject>Aneurysms ; Angiography ; Arteries ; black‐blood MRA ; Blood ; Computed tomography ; Confidence intervals ; diagnosis ; Diagnostic systems ; Field strength ; Hemorrhage ; Magnetic resonance imaging ; Medical imaging ; MR angiography ; Rank tests ; Scanners ; Segments ; Sensitivity ; Statistical analysis ; Statistical tests ; Stroke ; Subarachnoid hemorrhage ; Vasoconstriction ; vasospasm ; Veins ; Veins & arteries ; Visualization</subject><ispartof>Journal of magnetic resonance imaging, 2019-03, Vol.49 (3), p.800-807</ispartof><rights>2018 International Society for Magnetic Resonance in Medicine</rights><rights>2018 International Society for Magnetic Resonance in Medicine.</rights><rights>2019 International Society for Magnetic Resonance in Medicine</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c4231-3f0908be1fee10d978c460ba7ae5afa4842bd7a43ed8530b92a724cb545ff48d3</citedby><cites>FETCH-LOGICAL-c4231-3f0908be1fee10d978c460ba7ae5afa4842bd7a43ed8530b92a724cb545ff48d3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1002%2Fjmri.26231$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1002%2Fjmri.26231$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,776,780,1411,1427,27903,27904,45553,45554,46388,46812</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/30284331$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Takano, Koichi</creatorcontrib><creatorcontrib>Hida, Kosuke</creatorcontrib><creatorcontrib>Iwaasa, Mitsutoshi</creatorcontrib><creatorcontrib>Inoue, Tooru</creatorcontrib><creatorcontrib>Yoshimitsu, Kengo</creatorcontrib><title>Three‐dimensional spin‐echo‐based black‐blood MRA in the detection of vasospasm following subarachnoid hemorrhage</title><title>Journal of magnetic resonance imaging</title><addtitle>J Magn Reson Imaging</addtitle><description>Background
Black‐blood MR angiography (BBMRA), which utilizes a non‐T1 contrast spin‐echo type technique, has been expected to overcome several issues associated with time‐of‐flight (TOF) MRA.
Purpose
To investigate the efficacy of BBMRA to detect vasospasms following subarachnoid hemorrhage (SAH).
Study Type
Retrospective.
Subjects
Seventeen patients with SAH in their early posttreatment period.
Field Strength/Sequence
BBMRA, which uses a volumetric isotropic turbo spin‐echo acquisition (VISTA), and TOF‐MRA on 1.5T scanners.
Assessment
Visualization of supratentorial arteries and veins in BBMRA was rated on a 4‐point scale by two neuroradiologists. Another neuroradiologist independently assessed TOF‐MRA. The degree of the vasospasm was then evaluated using a 3‐point scale by the same readers. The diagnostic performance of the MRAs was evaluated using computed tomography angiography (CTA) or digital subtraction angiography (DSA) as the standard of reference.
Statistical Tests
Wilcoxon signed rank test, McNemar test, and Cohen's kappa coefficient.
Results
BBMRA provided superior visualization of the anterior and middle cerebral arteries than TOF‐MRA (P < 0.05). The depiction of the veins was more pronounced on BBMRA (P < 0.01). Of the 166 arterial segments evaluated by CTA or DSA, 23 (13.9%) could not be assessed using TOF‐MRA because of high signal hemorrhage, whereas BBMRA enabled visualization of all the segments. Vasospasm was confirmed in 30 segments by CTA or DSA. The sensitivity, specificity, and positive and negative predictive values were 73, 96, 76, and 95 for TOF‐MRA and 91, 100, 100, and 98 for BBMRA, respectively (P = 0.13 for sensitivity, P = 0.06 for specificity). The agreement of the degree of vasospasm between MRA and the standard of reference, as indicated by kappa value, was 0.71 (95% confidence interval [CI], 0.55–0.87) for TOF‐MRA and 0.91 (95% CI, 0.82–0.99) for BBMRA.
Data Conclusion
BBMRA, owing to its contrast properties, may be superior to TOF‐MRA for the evaluation of intracranial arteries after SAH.
Level of Evidence: 3
Technical Efficacy: Stage 2
J. Magn. Reson. Imaging 2019;49:800–807.</description><subject>Aneurysms</subject><subject>Angiography</subject><subject>Arteries</subject><subject>black‐blood MRA</subject><subject>Blood</subject><subject>Computed tomography</subject><subject>Confidence intervals</subject><subject>diagnosis</subject><subject>Diagnostic systems</subject><subject>Field strength</subject><subject>Hemorrhage</subject><subject>Magnetic resonance imaging</subject><subject>Medical imaging</subject><subject>MR angiography</subject><subject>Rank tests</subject><subject>Scanners</subject><subject>Segments</subject><subject>Sensitivity</subject><subject>Statistical analysis</subject><subject>Statistical tests</subject><subject>Stroke</subject><subject>Subarachnoid hemorrhage</subject><subject>Vasoconstriction</subject><subject>vasospasm</subject><subject>Veins</subject><subject>Veins & arteries</subject><subject>Visualization</subject><issn>1053-1807</issn><issn>1522-2586</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><recordid>eNp9kctKHUEQhpsQiZdkkwcIDW4kMKZvM9OzFInRoATErIe-VDt97Jk-dp-JnF0eIc_ok9gnR11kESioC1_9UPUj9JGSY0oI-7IYkz9mDeP0DdqjNWMVq2XzttSk5hWVpN1F-zkvCCFdJ-p3aJcTJgXndA-tb4YE8Pj7j_UjTNnHSQWcl34qIzBDLEmrDBbroMzdpgsxWnx1fYL9hFcDYAsrMKuyiKPDv1SOeanyiF0MIT746RbnWaukzDBFb_EAY0xpULfwHu04FTJ8eM4H6OfZ15vT8-ryx7eL05PLyohyUcUd6YjUQB0AJbZrpREN0apVUCunhBRM21YJDlbWnOiOqZYJo2tROyek5QfoaKu7TPF-hrzqR58NhKAmiHPuGaVNCUabgh7-gy7inMpHNlTbUdmxhhfq85YyKeacwPXL5EeV1j0l_caQfmNI_9eQAn96lpz1CPYVfXGgAHQLPPgA6_9I9d-vri-2ok8Arpsq</recordid><startdate>201903</startdate><enddate>201903</enddate><creator>Takano, Koichi</creator><creator>Hida, Kosuke</creator><creator>Iwaasa, Mitsutoshi</creator><creator>Inoue, Tooru</creator><creator>Yoshimitsu, Kengo</creator><general>Wiley Subscription Services, Inc</general><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QO</scope><scope>7TK</scope><scope>8FD</scope><scope>FR3</scope><scope>K9.</scope><scope>P64</scope><scope>7X8</scope></search><sort><creationdate>201903</creationdate><title>Three‐dimensional spin‐echo‐based black‐blood MRA in the detection of vasospasm following subarachnoid hemorrhage</title><author>Takano, Koichi ; Hida, Kosuke ; Iwaasa, Mitsutoshi ; Inoue, Tooru ; Yoshimitsu, Kengo</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c4231-3f0908be1fee10d978c460ba7ae5afa4842bd7a43ed8530b92a724cb545ff48d3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2019</creationdate><topic>Aneurysms</topic><topic>Angiography</topic><topic>Arteries</topic><topic>black‐blood MRA</topic><topic>Blood</topic><topic>Computed tomography</topic><topic>Confidence intervals</topic><topic>diagnosis</topic><topic>Diagnostic systems</topic><topic>Field strength</topic><topic>Hemorrhage</topic><topic>Magnetic resonance imaging</topic><topic>Medical imaging</topic><topic>MR angiography</topic><topic>Rank tests</topic><topic>Scanners</topic><topic>Segments</topic><topic>Sensitivity</topic><topic>Statistical analysis</topic><topic>Statistical tests</topic><topic>Stroke</topic><topic>Subarachnoid hemorrhage</topic><topic>Vasoconstriction</topic><topic>vasospasm</topic><topic>Veins</topic><topic>Veins & arteries</topic><topic>Visualization</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Takano, Koichi</creatorcontrib><creatorcontrib>Hida, Kosuke</creatorcontrib><creatorcontrib>Iwaasa, Mitsutoshi</creatorcontrib><creatorcontrib>Inoue, Tooru</creatorcontrib><creatorcontrib>Yoshimitsu, Kengo</creatorcontrib><collection>PubMed</collection><collection>CrossRef</collection><collection>Biotechnology Research Abstracts</collection><collection>Neurosciences Abstracts</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>ProQuest Health & Medical Complete (Alumni)</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>MEDLINE - Academic</collection><jtitle>Journal of magnetic resonance imaging</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Takano, Koichi</au><au>Hida, Kosuke</au><au>Iwaasa, Mitsutoshi</au><au>Inoue, Tooru</au><au>Yoshimitsu, Kengo</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Three‐dimensional spin‐echo‐based black‐blood MRA in the detection of vasospasm following subarachnoid hemorrhage</atitle><jtitle>Journal of magnetic resonance imaging</jtitle><addtitle>J Magn Reson Imaging</addtitle><date>2019-03</date><risdate>2019</risdate><volume>49</volume><issue>3</issue><spage>800</spage><epage>807</epage><pages>800-807</pages><issn>1053-1807</issn><eissn>1522-2586</eissn><abstract>Background
Black‐blood MR angiography (BBMRA), which utilizes a non‐T1 contrast spin‐echo type technique, has been expected to overcome several issues associated with time‐of‐flight (TOF) MRA.
Purpose
To investigate the efficacy of BBMRA to detect vasospasms following subarachnoid hemorrhage (SAH).
Study Type
Retrospective.
Subjects
Seventeen patients with SAH in their early posttreatment period.
Field Strength/Sequence
BBMRA, which uses a volumetric isotropic turbo spin‐echo acquisition (VISTA), and TOF‐MRA on 1.5T scanners.
Assessment
Visualization of supratentorial arteries and veins in BBMRA was rated on a 4‐point scale by two neuroradiologists. Another neuroradiologist independently assessed TOF‐MRA. The degree of the vasospasm was then evaluated using a 3‐point scale by the same readers. The diagnostic performance of the MRAs was evaluated using computed tomography angiography (CTA) or digital subtraction angiography (DSA) as the standard of reference.
Statistical Tests
Wilcoxon signed rank test, McNemar test, and Cohen's kappa coefficient.
Results
BBMRA provided superior visualization of the anterior and middle cerebral arteries than TOF‐MRA (P < 0.05). The depiction of the veins was more pronounced on BBMRA (P < 0.01). Of the 166 arterial segments evaluated by CTA or DSA, 23 (13.9%) could not be assessed using TOF‐MRA because of high signal hemorrhage, whereas BBMRA enabled visualization of all the segments. Vasospasm was confirmed in 30 segments by CTA or DSA. The sensitivity, specificity, and positive and negative predictive values were 73, 96, 76, and 95 for TOF‐MRA and 91, 100, 100, and 98 for BBMRA, respectively (P = 0.13 for sensitivity, P = 0.06 for specificity). The agreement of the degree of vasospasm between MRA and the standard of reference, as indicated by kappa value, was 0.71 (95% confidence interval [CI], 0.55–0.87) for TOF‐MRA and 0.91 (95% CI, 0.82–0.99) for BBMRA.
Data Conclusion
BBMRA, owing to its contrast properties, may be superior to TOF‐MRA for the evaluation of intracranial arteries after SAH.
Level of Evidence: 3
Technical Efficacy: Stage 2
J. Magn. Reson. Imaging 2019;49:800–807.</abstract><cop>United States</cop><pub>Wiley Subscription Services, Inc</pub><pmid>30284331</pmid><doi>10.1002/jmri.26231</doi><tpages>8</tpages></addata></record> |
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| source | Wiley Online Library Journals Frontfile Complete; Wiley Free Content |
| subjects | Aneurysms Angiography Arteries black‐blood MRA Blood Computed tomography Confidence intervals diagnosis Diagnostic systems Field strength Hemorrhage Magnetic resonance imaging Medical imaging MR angiography Rank tests Scanners Segments Sensitivity Statistical analysis Statistical tests Stroke Subarachnoid hemorrhage Vasoconstriction vasospasm Veins Veins & arteries Visualization |
| title | Three‐dimensional spin‐echo‐based black‐blood MRA in the detection of vasospasm following subarachnoid hemorrhage |
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