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Skull base surgery. 1999; 9(1): 9–13.
PMCID: PMC1656718

Physical and Histologic Properties of Substitutes Used for the Anterior Fossa Region Dural Repair


During the last 10 years, 41 patients with dural tear caused by anterior cranial fossa bone fracture were treated surgically. Those treated conservatively were not included in this series. The patients' mean age was 36 years. The average time of postoperative observation was 15 months. Traffic accidents, as well as wounds caused by missiles (shell fragments or bullets), blows, and falls were the mechanisms of injury. An autogenous graft, followed by homologous (lyodura) and most recently by heterologous (lyoplant; B. Braun Melsungen AG, Melsungen, Germany) implants, was used to repair the dural lacerations. Fibrin adhesive was used to seal the sutures inserted between graft and dural defect margins in a majority of cases. The following criteria are required for the best dural substitute: uncontaminated tissue, histologic similarity to the local dura mater, adaptability, quick rehidratation, waterproof closure and the dural margins fast healing, and tensile strength easily resisting cerebrospinal fluid pressurization in physiological and pathological conditions. To define the effects of different tissue that could meet the above-mentioned criteria, we have undertaken a mechanical testing of the dural substitutes' tensile strength followed by histologic examination, and comparison with the dura mater of the anterior fossa region. Finally, we have paid particular attention to the clinical results of these substitutes.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.
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