Posts Tagged "oxygen"

Timing of Oxygen After a Stroke May Matter

Posted on Dec 1, 2009 in Uncategorized

By HealthDay – Mon Oct 19, 8:48 PM PDT – MONDAY, Oct. 19 (HealthDay News) — Contradicting previous research, scientists have shown in animal studies that providing supplemental oxygen during an ischemic stroke can reduce brain damage. But it’s not a simple matter. Success in preventing brain damage, their new study says, depends on when 100 percent oxygen is given. “The use of supplemental oxygen after blood flow is restored in the brain appears to actually cause harm by unleashing free radicals,” Savita Khanna, an assistant professor of surgery at Ohio...

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