Visual assessment of cerebrospinal fluid flow dynamics using 3d t2-weighted space sequence-based classification system

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dc.contributor.authorNaldemir, İbrahim Feyyaz
dc.contributor.authorKaraman, Ahmet Kürşat
dc.contributor.authorOğul, Hayri
dc.contributor.authorOnbaş, Ömer
dc.date.accessioned2025-10-30T13:37:01Z
dc.date.available2025-10-30T13:37:01Z
dc.date.issued2024
dc.departmentİstanbul Medipol Üniversitesi, Tıp Fakültesi, Dahili Tıp Bilimleri Bölümü, Radyoloji Ana Bilim Dalı
dc.description.abstractBackground: Flow-related signal void artifacts can be visualized on the T2-weighted (T2W) three-dimensional sampling perfection with application-optimized contrast (3D-SPACE) sequence. Flow void artifacts in the cerebral aqueduct and the fourth ventricle can provide information about cerebrospinal fluid (CSF) flow dynamics. Purpose: In this study, we aimed to test the performance of the T2W 3D-SPACE sequence in assessing the CSF flow in the aqueduct and/or fourth ventricle. Material and Methods: A total of 137 patients (age range = 3–89 years) who underwent CSF flow study were included. The amount of signal loss on T2W 3D-SPACE due to flow in the aqueduct and fourth ventricle was assessed and graded using a 4-point scale of 0 (absence of flow void) to 3 (signal void filling the aqueduct and entire fourth ventricle). A correlation was then sought between the quantitative values obtained by phase-contrast magnetic resonance imaging (PC-MRI) and the amount of signal void in the 3D-SPACE sequence. Results: At the aqueduct level, there was a statistically significant difference in the forward flow velocity and the flow volume among different grades (all P < 0.001). In the grade 3 group, CSF peak systolic flow velocity and mean flow volume were found to be significantly higher than in the other grades (P < 0.001). The mean aqueduct area in the grade 0 group was found to be significantly different from that in the other classes (P < 0.001). Conclusion: The amount of signal loss in the fourth ventricle observed on T2W 3D-SPACE is correlated with the peak systolic velocity and flow volume measured quantitatively in PC-MRI.
dc.identifier.citationNaldemir, İ. F., Karaman, A. K., Oğul, H. ve Onbaş, Ö. (2024). Visual assessment of cerebrospinal fluid flow dynamics using 3d t2-weighted space sequence-based classification system. Acta Radiologica, 65(12), 1576-1582. http://dx.doi.org/10.1177/02841851241288219
dc.identifier.doi10.1177/02841851241288219
dc.identifier.endpage1582
dc.identifier.issn0284-1851
dc.identifier.issn1600-0455
dc.identifier.issue12
dc.identifier.pmid39491809
dc.identifier.scopus2-s2.0-85208229604
dc.identifier.scopusqualityQ3
dc.identifier.startpage1576
dc.identifier.urihttp://dx.doi.org/10.1177/02841851241288219
dc.identifier.urihttps://hdl.handle.net/20.500.12511/13153
dc.identifier.volume65
dc.identifier.wosWOS:001347788000001
dc.identifier.wosqualityQ4
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.indekslendigikaynakPubMed
dc.institutionauthorOğul, Hayri
dc.language.isoen
dc.relation.ispartofActa Radiologica
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.subject3D-SPACE
dc.subjectCerebrospinal Fluid
dc.subjectHydrocephalus
dc.subjectMagnetic Resonance Imaging
dc.subjectSignal Void
dc.titleVisual assessment of cerebrospinal fluid flow dynamics using 3d t2-weighted space sequence-based classification system
dc.typeArticle

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