論文

国際誌
2018年

Time-resolved magnetic resonance angiography as a follow-up method for visceral artery aneurysm treated with coil-embolisation.

Polish journal of radiology
  • Tatsuya Kawai
  • ,
  • Masashi Shimohira
  • ,
  • Kazushi Suzuki
  • ,
  • Kengo Ohta
  • ,
  • Kenichiro Kurosaka
  • ,
  • Takuya Hashizume
  • ,
  • Hiroko Nishikawa
  • ,
  • Masahiro Muto
  • ,
  • Nobuyuki Arai
  • ,
  • Hirohito Kan
  • ,
  • Yuta Shibamoto

83
開始ページ
e137-e142
終了ページ
記述言語
英語
掲載種別
DOI
10.5114/pjr.2018.75622

Purpose: The purpose of this study is to assess the feasibility and usefulness of time-resolved magnetic resonance angiography (TR-MRA) for follow-up of visceral artery aneurysms (VAAs) after embolotherapy. Material and methods: Twenty-one VAAs (11 splenic, six renal, three internal iliac, and one superior pancreaticoduodenal artery aneurysms) in 18 patients (median age, 64 years; range, 36-88 years) previously treated by embolisation with platinum coils, were evaluated. The mean size of the aneurysm was 10.5 cm3 (range, 0.3-132 cm3). Among them, 19 lesions were treated by aneurysmal packing with or without distal-to-proximal embolisation. For the remaining two lesions, distal-to-proximal embolization alone was performed. The mean observation period after embolotherapy was 35 weeks (range, 4-216). All patients underwent TR-MRA following an intravenous bolus injection of gadolinium chelate. Recanalisation was diagnosed when any portion of the aneurysmal sac was enhanced in the arterial phase. Results: On TR-MRA, two lesions were diagnosed as recanalised. They were confirmed by transcatheter arteriography and re-treated by embolotherapy. For the remaining 19 lesions, there were no findings of recanalisation on TR-MRA. Conclusions: TR-MRA appears to be a feasible method for follow-up examination of VAAs treated by embolotherapy.

リンク情報
DOI
https://doi.org/10.5114/pjr.2018.75622
PubMed
https://www.ncbi.nlm.nih.gov/pubmed/30038691
PubMed Central
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6047089

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