| Budget Amount *help |
¥3,250,000 (Direct Cost: ¥2,500,000、Indirect Cost: ¥750,000)
Fiscal Year 2018: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2017: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2016: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2015: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
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| Outline of Final Research Achievements |
Pulmonary arteriovenous malformations (PAVMs) are abnormal fistulas that appear between the pulmonary arteries and veins that bypass the normal capillaries. Coil embolization is widely performed for PAVMs; however, recanalization of PAVM can be a problem after embolization. To prevent recanalization, the feeding artery of a PAVM should be embolized tightly. The purpose of this study was to evaluate the usefulness of hydrogel-coated coils in preventing recanalization after coil embolization of PAVMs. Thirty-seven consecutive patients with 57 untreated PAVMs underwent coil embolization with hydrogel-coated coils. In 56 of 57 PAVMs, embolization was successfully performed with hydrogel-coated coils. There was no recanalization with a mean follow-up period of 19 months in 56 PAVMs embolized with hydrogelcoated coils. There were no major complications. Hydrogel-coated coils may be useful for preventing recanalization after the embolization of PAVMs.
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