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pp.142-145
Published Date 1949/4/20
DOI https://doi.org/10.11477/mf.1492200161

 The author notes delay in the growth of granulation tissues fom formations of air cells, in the deeper parts of the wound, after mastoidectomy, when pneumatization of the bone is found well developed, and, visa versa, when such formation were lacking, graunlation grawths were exuberant. He ascribes the difference of these results to differences in focal tissue susceptibillty. Based upon these assumptions the following method of after treatment was adapted. If the air cells be found well developed, during the operation, the incision wound would be troated openly excepting that, a rubber drain is inserted at its center and a few stitches are placed at its either extremities. If, then, the wound be found favorably healing, it is closed by suturing at the later stage. A roentgen picture would be taken, during the aftertreatment, and, if evidence of overlooked pneumatic cells is presented, a radical mastoidectomy with conservation of hearing would be performed. When pnenmatization is poor, the wonnd is closcd by primary sutures, instead of an open treatment, Especially among infants and children, the open method is avoided. However, when aural discharges fail to disappear after such an operation, a radical mastoidectomy with conservation of hearing would be resorted to.

 Thus, by observing the foregoing rules, the author concludes, formation of post auricular cavities and fistulas following mastoidectomy may be prevented.


Copyright © 1949, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 印刷版ISSN 0386-9679 医学書院

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