Duraplasty in the posterior fossa using a boat-shaped sheet of expanded polytetrafluoroethylene |
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Authors: | Shimizu Satoru Koizumi Hiroyuki Kurita Mari Utsuki Satoshi Oka Hidehiro Fujii Kiyotaka |
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Affiliation: | Department of Neurosurgery, Kitasato University School of Medicine, Sagamihara, Kanagawa, Japan. Satoru4756@aol.com |
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Abstract: | Application of sutures between expanded polytetrafluoroethylene (ePTFE) dural substitutes and the dura mater is often frustrating in posterior fossa surgery because of the difficulty in holding the elastic graft in a deep and narrow field. To resolve this problem, we have developed a boat-shaped graft made from a triangular ePTFE sheet by pinching each angle using a suture. Formation of standing edges of the sheet facilitates holding of the flaps for secure and more rapid suturing than the conventional approach using a flat sheet. |
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