量研学術機関リポジトリ「QST-Repository」は、国立研究開発法人 量子科学技術研究開発機構に所属する職員等が生み出した学術成果(学会誌発表論文、学会発表、研究開発報告書、特許等)を集積しインターネット上で広く公開するサービスです。 Welcome to QST-Repository where we accumulates and discloses the academic research results(Journal Publications, Conference presentation, Research and Development Report, Patent, etc.) of the members of National Institutes for Quantum and Radiological Science and Technology.
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We used deuterium magnetic resonance imaging (2H MRI) to visualize water movement in the rabbit eye. Dynamic 2H MRI was obtained every 3.5 min at 2 tesla by FLASH pulse sequence (TR, 300 ms; TE, 10 ms; alpha = 90 degrees) with a slice thickness of 10 mm using a surface coil (4 cm in diameter). After topical administration (0.2 ml D2O), only the aqueous chamber was imaged, and the signals decreased mono-exponentially. The flow rate was 0.113/min, in agreement with that already reported. After intravenous administration of deuterated saline (3 ml/kg), the aqueous chamber became visible first during imaging, then by the vitreous body. The signals around the lens were only faintly detected. Thus, deuterium MRI was determined to be useful for visualizing water movement in the eye.