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A new incision for placement of cochlear implants

  • W. P. R Gibson (a1) (a2) (a3), H. C. Harrison (a3) and C. Prowse (a2)

Abstract

A straight, vertical post-aural incision for the ‘Cochlear’ multichannel cochlear implants has been evaluated in 52 patients (20 adults and 32 children). Nineteen of the children were under three years of age and five of these were under two years of age.

The 7cm long incision is placed approximately 3 mm behind the post-auricular crease and runs from the tip of the mastoid to a point 3 cm above the superior attachment of the pinna. The incision heals within several days.

Because the incision is straight interruption of the blood supply to the flaps raised is the least possible. This also minimizes the possiblity of scalp necrosis and impaltn exrusion. The likelihood of infection is reduced by the small size of the incision, minimal soft tissue dissection and small amount of dead space. Rapid healing has occurred in all cases despite infection in one.

Copyright

Corresponding author

Mr H. C. Harrison, F.R.C.S., 135 Macquarie Street, Sydney 2000, Australia.

References

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Cohen, N. L., Hoffman, R. A., Stroschein, M. (1988) Medical or surgical complications related to the Nucleus multichannel cochlear implant. Annals of Otology, Rhinology and Laryngology 97 (suppl. 135): 813.
Clark, G. M., Pyman, B. C., Bailey, Q. R. (1979) the surgery for multiple-electrode cochlear implantations. Journal of Laryngology and Otology 93: 215223.
El-Naggar, M., Hawthorne, M. (1995) Delayed extrusion of a cochlear implant: a case report of an implant extruding 21 months after the original operation. Journal of Laryngology and Otology 109: 5657.
Franz, B. K.-H. G., Kuzma, J. A., Lenhardt, E., Clark, G. M., Patrick, J. F., Laszig, R. (1989) Implantation of the Melbourne/Cochlear multiple electrode extracochlear prosthesis. Annals of Otology, Rhinology and Laryngology 98: 591596.
Haberkamp, T. J., Schwaber, M. K. (1992) Management of flap necrosis in cochlear implantation. Annals of Otology, Rhinology and Laryngology 101: 3841.
Harris, J. P., Cueva, R. A. (1987) Flap design for cochlear implantation: avoidance of a potential complication. Laryngoscope 97: 755757.
Harrison, H. C., Gibson, W. P. R. (1992) Complications of cochlear implantation in children. In Transplants and Implants in Otology. Vol. II Cochlear implants. (Yanagihara, N., Suzuki, J.-L., eds: Gyo, K., Kdera, K., co-eds.). Kugler Publications, Amsterdam/New York pp. 327330.
Harrison, H. C., Gibson, W. P. R., Thompson, P. G. (1995) Cochlear implant extrusion in a young child – a preventative procedure. Journal of Laryngology and Otology 109: 425428.

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A new incision for placement of cochlear implants

  • W. P. R Gibson (a1) (a2) (a3), H. C. Harrison (a3) and C. Prowse (a2)

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