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      Feasibility of 3-dimensional sampling perfection with application optimized contrast sequence in the evaluation of patients with hydrocephalus

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      Author
      Kartal, M. G.
      Ocakoglu, G.
      Algın, Oktay
      Date
      2015
      Source Title
      Journal of Computer Assisted Tomography
      Print ISSN
      0363-8715
      Publisher
      Lippincott Williams and Wilkins
      Volume
      39
      Issue
      3
      Pages
      321 - 328
      Language
      English
      Type
      Article
      Item Usage Stats
      138
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      102
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      Abstract
      Purpose This study aimed to investigate the effectiveness and additive value of T2W 3-dimensional sampling perfection with application optimized contrast (3D-SPACE) with variant flip-angle mode in imaging of all types of hydrocephalus. Our secondary objective was to assess the reliability of 3D-SPACE sequence and correspondence of the results with phase-contrast magnetic resonance imaging (PC-MRI)-based data. Materials and Methods Forty-one patients with hydrocephalus have undergone 3-T MRI. T2W 3D-SPACE sequence has been obtained in addition to routine hydrocephalus protocol. Cerebrospinal fluid circulation, presence/type/etiology of hydrocephalus, obstruction level scores, and diagnostic levels of confidence were evaluated separately by 2 radiologists. In the first session, routine sequences with PC-MRI were evaluated, and in another session, only 3D-SPACE and 3-dimensional magnetization prepared rapid acquisition gradient echo sequences were evaluated. Results obtained in these sessions were compared with each other and those obtained in consensus session. Results Agreement values were very good for both 3D-SPACE and PC-MRI sequences (P < 0.001 for all). Also, the correlation of more experienced reader's 3D-SPACE-based scores and consensus-based scores was perfect (κ = 1, P < 0.001).The mean value of PC-MRI-based confidence scores were lower than those obtained in 3D-SPACE and consensus sessions. Conclusions T2W 3D-SPACE sequence provides morphologic cerebrospinal fluid flow data. It is a noninvasive technique providing extensive multiplanar reformatted images with a lower specific absorption rate. These advantages over PC-MRI make 3D-SPACE sequence a promising tool in management of patients with hydrocephalus. © 2015 Wolters Kluwer Health, Inc.
      Keywords
      MRI
      3D-SPACE
      Variable flip angle
      Hydrocephalus
      PC cine MR
      Permalink
      http://hdl.handle.net/11693/23414
      Published Version (Please cite this version)
      https://doi.org/10.1097/RCT.0000000000000206
      Collections
      • Aysel Sabuncu Brain Research Center (BAM) 183
      • National Magnetic Resonance Research Center (UMRAM) 175
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