Interobserver and Intraobserver Reliability of Venous Transcranial Color-Coded Flow Velocity Measurements
ABSTRACT Background and Purpose. Venous transcranial color‐coded duplex sonography is a new technique for noninvasive evaluation of the intracranial venous system. However, the interobserver and intraobserver reliability of this method is unclear. Methods. In 23 healthy volunteers (30 ± 7.3 years of...
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| Veröffentlicht in: | Journal of neuroimaging 2001-10, Vol.11 (4), p.385-392 |
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| creator | Stolz, E. Babacan, S. S. Bödeker, R.-H. Gerriets, T. Kaps, M. |
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Background and Purpose. Venous transcranial color‐coded duplex sonography is a new technique for noninvasive evaluation of the intracranial venous system. However, the interobserver and intraobserver reliability of this method is unclear. Methods. In 23 healthy volunteers (30 ± 7.3 years of age), the deep middle cerebral vein (dMCV), basal vein (BV), vein of Galen (VG), and straight (SRS), transverse (TS), and superior sagittal (SSS) sinuses in addition to the arterial segments of the circle of Willis were insonated through the temporal bone window on 2 consecutive days by 2 experienced examiners. The examiners were blinded to each other's results. The interobserver and intraobserver reliability was calculated using a method described by Bland and Altman, resulting in 2‐SD confidence intervals. Results. Non‐angle‐corrected and angle‐corrected systolic and end diastolic venous flow velocities (FV) were in good accordance with published normal values, ranging between 8.6 and 19.2 cm/s. The interobserver reliabilities for non‐angle‐corrected systolic FVs in the dMCV, BV, VG, SRS, and TS were ±1.8, 2.4, 2.6, 3.3, and 4.6 cm/s; for angle‐corrected systolic FVs, the interobserver reliabilities were ±2.5, 3.1, 13.9, 11.6, and 7.7 cm/s. The intraobserver reliabilities for non‐angle‐corrected systolic FVs in the dMCV, BV, VG, SRS, and TS were ±2.9, 3.2, 2.6, 3.2, and 6.1 cm/s; for angle‐corrected systolic FVs, the intraobserver reliabilities were 3.2, 3.7, 13.9, 11.6, and 7.5 cm/s. Angle correction was not attempted for the SSS. The interobserver and intraobserver reliabilities for systolic FVs in the SSS were ±3.3 and ±3.3 cm/s, respectively. Conclusions. Intracranial venous FV can be measured with a high interobserver and intraobserver reliability in healthy human subjects. Intraobserver reliability was higher for cerebral veins than for dural sinuses, predisposing them for follow‐up examinations; however, angle correction for venous FV in the VG and the SRS is not advisable. |
| doi_str_mv | 10.1111/j.1552-6569.2001.tb00067.x |
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Background and Purpose. Venous transcranial color‐coded duplex sonography is a new technique for noninvasive evaluation of the intracranial venous system. However, the interobserver and intraobserver reliability of this method is unclear. Methods. In 23 healthy volunteers (30 ± 7.3 years of age), the deep middle cerebral vein (dMCV), basal vein (BV), vein of Galen (VG), and straight (SRS), transverse (TS), and superior sagittal (SSS) sinuses in addition to the arterial segments of the circle of Willis were insonated through the temporal bone window on 2 consecutive days by 2 experienced examiners. The examiners were blinded to each other's results. The interobserver and intraobserver reliability was calculated using a method described by Bland and Altman, resulting in 2‐SD confidence intervals. Results. Non‐angle‐corrected and angle‐corrected systolic and end diastolic venous flow velocities (FV) were in good accordance with published normal values, ranging between 8.6 and 19.2 cm/s. The interobserver reliabilities for non‐angle‐corrected systolic FVs in the dMCV, BV, VG, SRS, and TS were ±1.8, 2.4, 2.6, 3.3, and 4.6 cm/s; for angle‐corrected systolic FVs, the interobserver reliabilities were ±2.5, 3.1, 13.9, 11.6, and 7.7 cm/s. The intraobserver reliabilities for non‐angle‐corrected systolic FVs in the dMCV, BV, VG, SRS, and TS were ±2.9, 3.2, 2.6, 3.2, and 6.1 cm/s; for angle‐corrected systolic FVs, the intraobserver reliabilities were 3.2, 3.7, 13.9, 11.6, and 7.5 cm/s. Angle correction was not attempted for the SSS. The interobserver and intraobserver reliabilities for systolic FVs in the SSS were ±3.3 and ±3.3 cm/s, respectively. Conclusions. Intracranial venous FV can be measured with a high interobserver and intraobserver reliability in healthy human subjects. Intraobserver reliability was higher for cerebral veins than for dural sinuses, predisposing them for follow‐up examinations; however, angle correction for venous FV in the VG and the SRS is not advisable.</description><identifier>ISSN: 1051-2284</identifier><identifier>EISSN: 1552-6569</identifier><identifier>DOI: 10.1111/j.1552-6569.2001.tb00067.x</identifier><identifier>PMID: 11677878</identifier><language>eng</language><publisher>Oxford, UK: Blackwell Publishing Ltd</publisher><subject>Adult ; Blood Flow Velocity - physiology ; Cerebral Veins - diagnostic imaging ; Cerebrovascular Circulation ; dural sinuses ; Female ; Hemodynamics ; Humans ; interobserver reliability ; intracranial veins ; intraobserver reliability ; Male ; Observer Variation ; Regional Blood Flow - physiology ; Statistics, Nonparametric ; Supine Position ; transcranial color-coded sonography ; Ultrasonography, Doppler, Color ; Ultrasonography, Doppler, Transcranial</subject><ispartof>Journal of neuroimaging, 2001-10, Vol.11 (4), p.385-392</ispartof><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c4085-be55704b813e1d47075d861472d236b117c79c42cca339f977b56c0e7b98f2e83</citedby><cites>FETCH-LOGICAL-c4085-be55704b813e1d47075d861472d236b117c79c42cca339f977b56c0e7b98f2e83</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1111%2Fj.1552-6569.2001.tb00067.x$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1111%2Fj.1552-6569.2001.tb00067.x$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,780,784,1417,27924,27925,45574,45575</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/11677878$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Stolz, E.</creatorcontrib><creatorcontrib>Babacan, S. S.</creatorcontrib><creatorcontrib>Bödeker, R.-H.</creatorcontrib><creatorcontrib>Gerriets, T.</creatorcontrib><creatorcontrib>Kaps, M.</creatorcontrib><title>Interobserver and Intraobserver Reliability of Venous Transcranial Color-Coded Flow Velocity Measurements</title><title>Journal of neuroimaging</title><addtitle>J Neuroimaging</addtitle><description>ABSTRACT
Background and Purpose. Venous transcranial color‐coded duplex sonography is a new technique for noninvasive evaluation of the intracranial venous system. However, the interobserver and intraobserver reliability of this method is unclear. Methods. In 23 healthy volunteers (30 ± 7.3 years of age), the deep middle cerebral vein (dMCV), basal vein (BV), vein of Galen (VG), and straight (SRS), transverse (TS), and superior sagittal (SSS) sinuses in addition to the arterial segments of the circle of Willis were insonated through the temporal bone window on 2 consecutive days by 2 experienced examiners. The examiners were blinded to each other's results. The interobserver and intraobserver reliability was calculated using a method described by Bland and Altman, resulting in 2‐SD confidence intervals. Results. Non‐angle‐corrected and angle‐corrected systolic and end diastolic venous flow velocities (FV) were in good accordance with published normal values, ranging between 8.6 and 19.2 cm/s. The interobserver reliabilities for non‐angle‐corrected systolic FVs in the dMCV, BV, VG, SRS, and TS were ±1.8, 2.4, 2.6, 3.3, and 4.6 cm/s; for angle‐corrected systolic FVs, the interobserver reliabilities were ±2.5, 3.1, 13.9, 11.6, and 7.7 cm/s. The intraobserver reliabilities for non‐angle‐corrected systolic FVs in the dMCV, BV, VG, SRS, and TS were ±2.9, 3.2, 2.6, 3.2, and 6.1 cm/s; for angle‐corrected systolic FVs, the intraobserver reliabilities were 3.2, 3.7, 13.9, 11.6, and 7.5 cm/s. Angle correction was not attempted for the SSS. The interobserver and intraobserver reliabilities for systolic FVs in the SSS were ±3.3 and ±3.3 cm/s, respectively. Conclusions. Intracranial venous FV can be measured with a high interobserver and intraobserver reliability in healthy human subjects. Intraobserver reliability was higher for cerebral veins than for dural sinuses, predisposing them for follow‐up examinations; however, angle correction for venous FV in the VG and the SRS is not advisable.</description><subject>Adult</subject><subject>Blood Flow Velocity - physiology</subject><subject>Cerebral Veins - diagnostic imaging</subject><subject>Cerebrovascular Circulation</subject><subject>dural sinuses</subject><subject>Female</subject><subject>Hemodynamics</subject><subject>Humans</subject><subject>interobserver reliability</subject><subject>intracranial veins</subject><subject>intraobserver reliability</subject><subject>Male</subject><subject>Observer Variation</subject><subject>Regional Blood Flow - physiology</subject><subject>Statistics, Nonparametric</subject><subject>Supine Position</subject><subject>transcranial color-coded sonography</subject><subject>Ultrasonography, Doppler, Color</subject><subject>Ultrasonography, Doppler, Transcranial</subject><issn>1051-2284</issn><issn>1552-6569</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2001</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqVkE9v1DAQxS0EoqXwFVDEgVuC_8SxwwEJBbq0WlqEyiJxsWxnInnxxq2dpbvfHke7Ws74MB7NvPds_RB6Q3BF8nm3rgjntGx401YUY1JNBmPciGr3BJ2fVk9zjzkpKZX1GXqR0hpjSmrKnqMzQhohpJDnyF2NE8RgEsQ_EAs99kWeRH2afAfvtHHeTfsiDMUKxrBNxV3UY7K5OO2LLvgQyy700BeXPjxmkQ92NnwFnbYRNjBO6SV6Nmif4NXxvkA_Lj_fdV_K5e3iqvu4LG2NJS8NcC5wbSRhQPpaYMF72ZBa0J6yxhAirGhtTa3VjLVDK4ThjcUgTCsHCpJdoLeH3PsYHraQJrVxyYL3eoT8dSVoJkJ4nYXvD0IbQ0oRBnUf3UbHvSJYzaDVWs001UxTzaDVEbTaZfPr4ytbs4H-n_VINgs-HASPzsP-P6LV9e0NkzwHlIcAlybYnQJ0_K0awQRXP28WanH96ddy9W2lOvYXOTyeSg</recordid><startdate>200110</startdate><enddate>200110</enddate><creator>Stolz, E.</creator><creator>Babacan, S. S.</creator><creator>Bödeker, R.-H.</creator><creator>Gerriets, T.</creator><creator>Kaps, M.</creator><general>Blackwell Publishing Ltd</general><scope>BSCLL</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope></search><sort><creationdate>200110</creationdate><title>Interobserver and Intraobserver Reliability of Venous Transcranial Color-Coded Flow Velocity Measurements</title><author>Stolz, E. ; Babacan, S. S. ; Bödeker, R.-H. ; Gerriets, T. ; Kaps, M.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c4085-be55704b813e1d47075d861472d236b117c79c42cca339f977b56c0e7b98f2e83</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2001</creationdate><topic>Adult</topic><topic>Blood Flow Velocity - physiology</topic><topic>Cerebral Veins - diagnostic imaging</topic><topic>Cerebrovascular Circulation</topic><topic>dural sinuses</topic><topic>Female</topic><topic>Hemodynamics</topic><topic>Humans</topic><topic>interobserver reliability</topic><topic>intracranial veins</topic><topic>intraobserver reliability</topic><topic>Male</topic><topic>Observer Variation</topic><topic>Regional Blood Flow - physiology</topic><topic>Statistics, Nonparametric</topic><topic>Supine Position</topic><topic>transcranial color-coded sonography</topic><topic>Ultrasonography, Doppler, Color</topic><topic>Ultrasonography, Doppler, Transcranial</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Stolz, E.</creatorcontrib><creatorcontrib>Babacan, S. S.</creatorcontrib><creatorcontrib>Bödeker, R.-H.</creatorcontrib><creatorcontrib>Gerriets, T.</creatorcontrib><creatorcontrib>Kaps, M.</creatorcontrib><collection>Istex</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>Journal of neuroimaging</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Stolz, E.</au><au>Babacan, S. S.</au><au>Bödeker, R.-H.</au><au>Gerriets, T.</au><au>Kaps, M.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Interobserver and Intraobserver Reliability of Venous Transcranial Color-Coded Flow Velocity Measurements</atitle><jtitle>Journal of neuroimaging</jtitle><addtitle>J Neuroimaging</addtitle><date>2001-10</date><risdate>2001</risdate><volume>11</volume><issue>4</issue><spage>385</spage><epage>392</epage><pages>385-392</pages><issn>1051-2284</issn><eissn>1552-6569</eissn><abstract>ABSTRACT
Background and Purpose. Venous transcranial color‐coded duplex sonography is a new technique for noninvasive evaluation of the intracranial venous system. However, the interobserver and intraobserver reliability of this method is unclear. Methods. In 23 healthy volunteers (30 ± 7.3 years of age), the deep middle cerebral vein (dMCV), basal vein (BV), vein of Galen (VG), and straight (SRS), transverse (TS), and superior sagittal (SSS) sinuses in addition to the arterial segments of the circle of Willis were insonated through the temporal bone window on 2 consecutive days by 2 experienced examiners. The examiners were blinded to each other's results. The interobserver and intraobserver reliability was calculated using a method described by Bland and Altman, resulting in 2‐SD confidence intervals. Results. Non‐angle‐corrected and angle‐corrected systolic and end diastolic venous flow velocities (FV) were in good accordance with published normal values, ranging between 8.6 and 19.2 cm/s. The interobserver reliabilities for non‐angle‐corrected systolic FVs in the dMCV, BV, VG, SRS, and TS were ±1.8, 2.4, 2.6, 3.3, and 4.6 cm/s; for angle‐corrected systolic FVs, the interobserver reliabilities were ±2.5, 3.1, 13.9, 11.6, and 7.7 cm/s. The intraobserver reliabilities for non‐angle‐corrected systolic FVs in the dMCV, BV, VG, SRS, and TS were ±2.9, 3.2, 2.6, 3.2, and 6.1 cm/s; for angle‐corrected systolic FVs, the intraobserver reliabilities were 3.2, 3.7, 13.9, 11.6, and 7.5 cm/s. Angle correction was not attempted for the SSS. The interobserver and intraobserver reliabilities for systolic FVs in the SSS were ±3.3 and ±3.3 cm/s, respectively. Conclusions. Intracranial venous FV can be measured with a high interobserver and intraobserver reliability in healthy human subjects. Intraobserver reliability was higher for cerebral veins than for dural sinuses, predisposing them for follow‐up examinations; however, angle correction for venous FV in the VG and the SRS is not advisable.</abstract><cop>Oxford, UK</cop><pub>Blackwell Publishing Ltd</pub><pmid>11677878</pmid><doi>10.1111/j.1552-6569.2001.tb00067.x</doi><tpages>8</tpages></addata></record> |
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| subjects | Adult Blood Flow Velocity - physiology Cerebral Veins - diagnostic imaging Cerebrovascular Circulation dural sinuses Female Hemodynamics Humans interobserver reliability intracranial veins intraobserver reliability Male Observer Variation Regional Blood Flow - physiology Statistics, Nonparametric Supine Position transcranial color-coded sonography Ultrasonography, Doppler, Color Ultrasonography, Doppler, Transcranial |
| title | Interobserver and Intraobserver Reliability of Venous Transcranial Color-Coded Flow Velocity Measurements |
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