喉頭損傷の再建に関する実験的研究

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タイトル別名
  • AN EXPERIMENTAL STUDY ON THE REPAIR OF THE TRAUMATIC LARYNGEAL STENOSIS
  • コウトウ ソンショウ ノ サイケン ニ カンスル ジッケンテキ ケンキュウ

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Laryngeal stenosis was created by partial resection of the thyroid cartilage in dogs. This condition was thought to be compatible with the laryngeal stenosis after acute traumatic injury in man. The laryngeal air space decreased its size to one-third of the normal dog. The thyroid cartilage twisted three months later, but difficulty in breathing was not observed in all dogs. When the defect was covered by perichondrium, cartilage formation observed postoperatively and when the perichondrium was not used, cartilage formation was not observed. <br>The defects were repaired using auto- or homograft of thyroid or costal cartilage. <br>All dogs were killed three months after the operation. Perichondrium had to be treated as carefully as possible, because it was useful postoperative cartilage formation. This postoperative cartilage or bone formation occured in the part of the transplantation made the newly created framework stronger. In all cases laryngeal air space was reconstructed satisfactorily.

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