✓ The clinical results of lyophilized human cadaver dura transplantation in 170 neurosurgical patients show that it is a safe and effective material for dural closure. It is associated with low complication rates and minimal cortical scarring and adhesions. The successful results have been attributed to the minimal foreign body reaction stimulated by freeze-dried tissue. These factors plus its capacity for safe and convenient long-term storage at room temperature make lyophilization the method of choice for preserving dura mater.
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Abbott et al. (1971) studied this question.
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