Title |
Improved brain MRI indices in the acute brain stem infarct sites treated with hydroxyl radical scavengers, Edaravone and hydrogen, as compared to Edaravone alone. A non-controlled study
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Published in |
Medical Gas Research, June 2011
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DOI | 10.1186/2045-9912-1-12 |
Pubmed ID | |
Authors |
Hirohisa Ono, Yoji Nishijima, Naoto Adachi, Shigekuni Tachibana, Shiroh Chitoku, Shigeo Mukaihara, Masaki Sakamoto, Yohei Kudo, Jun Nakazawa, Kumi Kaneko, Hiroshi Nawashiro |
Abstract |
In acute stage of cerebral infarction, MRI indices (rDWI & rADC) deteriorate during the first 3-7 days after the ictus and then gradually normalize in approximately 10 days (pseudonormalization time), although the tissue is already infarcted. Since effective treatments improve these indices significantly and in less than the natural pseudonormalization time, a combined analysis of these changes provides an opportunity for objective evaluation on the effectiveness of various treatments for cerebral infarction. Hydroxyl radicals are highly destructive to the tissue and aggravate cerebral infarction. We treated brainstem infarction patients in acute stage with hydroxyl radical scavengers (Edaravone and hydrogen) by intravenous administration and evaluated the effects of the treatment by a serial observation and analysis of these MRI indices. The effects of the treatment were evaluated and compared in two groups, an Edaravone alone group and a combined group with Edaravone and hydrogen, in order to assess beneficial effects of addition of hydrogen. |
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