Duraplasty in the Posterior Fossa Using a Boat-Shaped Sheet of Expanded Polytetrafluoroethylene -Technical Note-

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  • SHIMIZU Satoru
    Department of Neurosurgery, Kitasato University School of Medicine
  • KOIZUMI Hiroyuki
    Department of Neurosurgery, Kitasato University School of Medicine
  • KURITA Mari
    Department of Neurosurgery, Kitasato University School of Medicine
  • UTSUKI Satoshi
    Department of Neurosurgery, Kitasato University School of Medicine
  • OKA Hidehiro
    Department of Neurosurgery, Kitasato University School of Medicine
  • FUJII Kiyotaka
    Department of Neurosurgery, Kitasato University School of Medicine

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  • —Technical Note—

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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.<br>

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