書誌事項
- タイトル別名
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- Photochemically induced cortical infarction in rats following kryplon-laser irradiation.
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In a search for the simplest technical variations of photothrombosis we employed a krypton laser to induce photothrombotic cortical infarction in rats. The cortical region was irradiated by krypton laser transmission through the skull. The photosensitizing dye, rose bengal, at a body dose of 20 mg/kg was administered intravenously at a time interval of 90 sec. We confirmed reproducible infarction at laser powers of 5, 10 and 20mW, but not at 2mW. The rise in brain cortical temperature during irradiation with the laser beam applied directly to the cortex at 7 mW, which corresponds to 10mW used through skull, was less than 2°C; this was thus likely to avoid epiphenomena due to excess heat absorption. The advantages of our method may be summarized as follows. Highly reproducible infarcts can be produced, even though the model does not entail extensive surgery or opening of the skull. The 568-nm krypton laser does not require a high maintenance dye laser. Producing bilateral cortical intraction is also feasible. This thrombotic model affords useful standards for assessing the effects of antiplatelet treatment.
収録刊行物
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- 脳卒中
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脳卒中 20 (2), 267-271, 1998
一般社団法人 日本脳卒中学会
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詳細情報 詳細情報について
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- CRID
- 1390282679616522880
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- NII論文ID
- 130003631328
- 10005237315
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- NII書誌ID
- AN0020186X
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- ISSN
- 18831923
- 09120726
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- 本文言語コード
- ja
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- データソース種別
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- JaLC
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- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可