P1-1. INTRACOCHLEAR MISDIRECTION IMPLANTATION OF A COCHLEAR IMPLANT

 

Rinze Tange, Wilko Grolman, Bert Maat (University of Amsterdam, Netherlands)

 

An intracochlear fausse route implantation has be describes recently in cases of far advanced otosclerosis 1. This paper presents a case-report of a rare complication of the implantation of a cochlear implant. Relatively few complications have been reported for cochlear implant surgery. The introduction of the Softip®electrode  is an improvement in cochlear implant surgery 2 but can result in a misdirection because of the flexibility of the tip. In cases of anatomical variation of the basal coil of the cochlea, advanced otosclerosis or deviated cochleostomy a misdirection of the electrode can occur as presented in this case. These complications make a strong argument for the use of preoperative, intraoperative, and postoperative radiologic examinations

Acknowledgments: Dr.J.van Marle for his technical support in preparing the SEM photographs

References

  1. Rotteveel L.J. et all. Cochlear implantationin 53 patients with otosclerosis: demographics, computed tomographic scanning, surgery and complications. Otol.& Neurotol. 25; 943-952  2004
  2. Tange R.A. Grolman W. Mastoid saving surgical approach (MASSA) and our experience with a new electrode with softip for cochlear implantation. J. Indian Soc. Otol.  Vol 2-3  29-32  ; 2004


 * Contact person email: R.A.Tange@AMC.UVA.nl