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Surgical considerations in cochlear implantation in children and adults: a review of 342 cases in Vienna.
Acta Otolaryngol. 2005 Mar; 125(3):228-34.AO

Abstract

CONCLUSIONS

Our data represent the experience of the largest cochlear implant program in Austria. In conclusion, cochlear implantation is a safe procedure, associated with a low rate of intra- and postoperative complications. Nevertheless, patients should be informed about possible problems and especially about the risk of a reoperation due to device failure.

OBJECTIVES

To evaluate the cause of deafness, the intraoperative findings and the complication rate for all cochlear implant operations performed consecutively between 1994 and 2003 at Vienna General Hospital.

MATERIAL AND METHODS

Including all surgeries for bilateral implantation and revision, a series of 342 operations performed on 164 adults (age range 14.5-81 years; mean age 50.79 years) and 128 children (age range 0.75-14 years; mean age 5.00 years) was retrospectively analyzed.

RESULTS

The etiology of deafness was predominantly congenital or progressive (66.89%). The routine mastoidectomy approach was chosen in 300 patients (87.72%) and the suprameatal approach in 42 (12.28%). Intraoperatively, 4 children (2.53%) had a cerebrospinal fluid fistula and 35 patients (10.23%) showed cochlear ossification. Three adults (1.63%) and two children (1.27%) had facial nerves with an aberrant course. The overall complication rate was 12.2%, the rate of major complications was 4.97% and the rate of minor complications was 4.09%. There were no cases of either postoperative meningitis or facial nerve palsy. Both flap necrosis and electrode dislocation occurred in one adult patient (0.54%), but in none of the children. Formation of cholesteatoma was found in one adult (0.54%) and one child (0.63%). The rate of device failure was 7.07% for adults and 13.92% for children.

Authors+Show Affiliations

Department of Otorhinolaryngology, Medical School, University of Vienna, Vienna, Austria.No affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article

Language

eng

PubMed ID

15966689

Citation

Arnoldner, Christoph, et al. "Surgical Considerations in Cochlear Implantation in Children and Adults: a Review of 342 Cases in Vienna." Acta Oto-laryngologica, vol. 125, no. 3, 2005, pp. 228-34.
Arnoldner C, Baumgartner WD, Gstoettner W, et al. Surgical considerations in cochlear implantation in children and adults: a review of 342 cases in Vienna. Acta Otolaryngol. 2005;125(3):228-34.
Arnoldner, C., Baumgartner, W. D., Gstoettner, W., & Hamzavi, J. (2005). Surgical considerations in cochlear implantation in children and adults: a review of 342 cases in Vienna. Acta Oto-laryngologica, 125(3), 228-34.
Arnoldner C, et al. Surgical Considerations in Cochlear Implantation in Children and Adults: a Review of 342 Cases in Vienna. Acta Otolaryngol. 2005;125(3):228-34. PubMed PMID: 15966689.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Surgical considerations in cochlear implantation in children and adults: a review of 342 cases in Vienna. AU - Arnoldner,Christoph, AU - Baumgartner,Wolf Dieter, AU - Gstoettner,Wolfgang, AU - Hamzavi,Jafar, PY - 2005/6/22/pubmed PY - 2005/7/27/medline PY - 2005/6/22/entrez SP - 228 EP - 34 JF - Acta oto-laryngologica JO - Acta Otolaryngol. VL - 125 IS - 3 N2 - CONCLUSIONS: Our data represent the experience of the largest cochlear implant program in Austria. In conclusion, cochlear implantation is a safe procedure, associated with a low rate of intra- and postoperative complications. Nevertheless, patients should be informed about possible problems and especially about the risk of a reoperation due to device failure. OBJECTIVES: To evaluate the cause of deafness, the intraoperative findings and the complication rate for all cochlear implant operations performed consecutively between 1994 and 2003 at Vienna General Hospital. MATERIAL AND METHODS: Including all surgeries for bilateral implantation and revision, a series of 342 operations performed on 164 adults (age range 14.5-81 years; mean age 50.79 years) and 128 children (age range 0.75-14 years; mean age 5.00 years) was retrospectively analyzed. RESULTS: The etiology of deafness was predominantly congenital or progressive (66.89%). The routine mastoidectomy approach was chosen in 300 patients (87.72%) and the suprameatal approach in 42 (12.28%). Intraoperatively, 4 children (2.53%) had a cerebrospinal fluid fistula and 35 patients (10.23%) showed cochlear ossification. Three adults (1.63%) and two children (1.27%) had facial nerves with an aberrant course. The overall complication rate was 12.2%, the rate of major complications was 4.97% and the rate of minor complications was 4.09%. There were no cases of either postoperative meningitis or facial nerve palsy. Both flap necrosis and electrode dislocation occurred in one adult patient (0.54%), but in none of the children. Formation of cholesteatoma was found in one adult (0.54%) and one child (0.63%). The rate of device failure was 7.07% for adults and 13.92% for children. SN - 0001-6489 UR - https://www.unboundmedicine.com/medline/citation/15966689/Surgical_considerations_in_cochlear_implantation_in_children_and_adults:_a_review_of_342_cases_in_Vienna_ L2 - http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=15966689.ui DB - PRIME DP - Unbound Medicine ER -