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Usefulness of Non-Contrast-Enhanced MR Angiography Using a Silent Scan for Follow-Up after Y-Configuration Stent-Assisted Coil Embolization for Basilar Tip Aneurysms.
Takano, N; Suzuki, M; Irie, R; Yamamoto, M; Hamasaki, N; Kamagata, K; Kumamaru, K K; Hori, M; Oishi, H; Aoki, S.
Afiliación
  • Takano N; From the Department of Radiology (N.T., M.S., K. Kamagata, K.K. Kumamaru, M.H., S.A.), Graduate School of Medicine, Juntendo University, Tokyo, Japan ntakano@juntendo.ac.jp.
  • Suzuki M; Department of Radiology (N.T., M.S., R.I., N.H., K. Kamagata, K.K. Kumamaru, M.H., S.A.), Juntendo University Hospital, Tokyo, Japan.
  • Irie R; From the Department of Radiology (N.T., M.S., K. Kamagata, K.K. Kumamaru, M.H., S.A.), Graduate School of Medicine, Juntendo University, Tokyo, Japan.
  • Yamamoto M; Department of Radiology (N.T., M.S., R.I., N.H., K. Kamagata, K.K. Kumamaru, M.H., S.A.), Juntendo University Hospital, Tokyo, Japan.
  • Hamasaki N; Department of Radiology (N.T., M.S., R.I., N.H., K. Kamagata, K.K. Kumamaru, M.H., S.A.), Juntendo University Hospital, Tokyo, Japan.
  • Kamagata K; Departments of Neurosurgery (M.Y., H.O.).
  • Kumamaru KK; Department of Radiology (N.T., M.S., R.I., N.H., K. Kamagata, K.K. Kumamaru, M.H., S.A.), Juntendo University Hospital, Tokyo, Japan.
  • Hori M; From the Department of Radiology (N.T., M.S., K. Kamagata, K.K. Kumamaru, M.H., S.A.), Graduate School of Medicine, Juntendo University, Tokyo, Japan.
  • Oishi H; Department of Radiology (N.T., M.S., R.I., N.H., K. Kamagata, K.K. Kumamaru, M.H., S.A.), Juntendo University Hospital, Tokyo, Japan.
  • Aoki S; From the Department of Radiology (N.T., M.S., K. Kamagata, K.K. Kumamaru, M.H., S.A.), Graduate School of Medicine, Juntendo University, Tokyo, Japan.
AJNR Am J Neuroradiol ; 38(3): 577-581, 2017 Mar.
Article en En | MEDLINE | ID: mdl-28007767
BACKGROUND AND PURPOSE: Y-configuration stent-assisted coil embolization is used for treating wide-neck aneurysms. Noninvasive alternatives to x-ray DSA for follow-up after Y-configuration stent-assisted coil embolization treatment are required. This study aimed to assess the usefulness of non-contrast-enhanced MRA by using a Silent Scan (silent MRA) for follow-up after Y-configuration stent-assisted coil embolization for basilar tip aneurysms. MATERIALS AND METHODS: Seven patients treated with Y-configuration stent-assisted coil embolization for basilar tip aneurysms underwent silent MRA, 3D TOF-MRA, and DSA. Silent MRA and 3D TOF-MRA images were obtained during the same scan session on a 3T MR imaging system. Two neuroradiologists independently reviewed both types of MRA images and subjectively scored the flow in the stents on a scale of 1 (not visible) to 5 (nearly equal to DSA) by referring to the latest DSA image as a criterion standard. Furthermore, we evaluated the visualization of the neck remnant. RESULTS: In all patients, the 2 observers gave a higher score for the flow in the stents on silent MRA than on 3D TOF-MRA. The average score ± standard deviation was 4.07 ± 0.70 for silent MRA and 1.93 ± 0.80 (P < .05) for 3D TOF-MRA. Neck remnants were depicted by DSA in 5 patients. In silent MRA, neck remnants were depicted in 5 patients, and visualization was similar to DSA; however, in 3D TOF-MRA, neck remnants were depicted in only 1 patient. CONCLUSIONS: Silent MRA might be useful for follow-up after Y-configuration stent-assisted coil embolization.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Stents / Aneurisma Intracraneal / Angiografía por Resonancia Magnética / Embolización Terapéutica Tipo de estudio: Diagnostic_studies / Observational_studies / Prognostic_studies Límite: Aged / Female / Humans / Male / Middle aged Idioma: En Revista: AJNR Am J Neuroradiol Año: 2017 Tipo del documento: Article País de afiliación: Japón Pais de publicación: Estados Unidos
Texto completo
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PubMed Links
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Stents / Aneurisma Intracraneal / Angiografía por Resonancia Magnética / Embolización Terapéutica Tipo de estudio: Diagnostic_studies / Observational_studies / Prognostic_studies Límite: Aged / Female / Humans / Male / Middle aged Idioma: En Revista: AJNR Am J Neuroradiol Año: 2017 Tipo del documento: Article País de afiliación: Japón Pais de publicación: Estados Unidos