Early loading after single-stage bone-anchored implantation in adults

Daniel M. Zeitler, Hillary A Snapp, Simon I Angeli, Bjorn S. Herman, Ann W. Plum, Fred F Telischi

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

Objective. Classically, processor loading after single-stage bone-anchored implantation (BAI) surgery follows a 3-month osseointegration period. The purpose of this study was to examine audiometric outcomes and postoperative complications in adult patients undergoing single-stage BAI with processor loading at less than 6 weeks postoperatively. Study Design. Retrospective review. Setting. Otology clinic in a tertiary care academic center. Subjects and Methods. A retrospective review was performed of all adult patients (>18 years) undergoing BAI from 2007 to 2010. Sixty-four patients met inclusion criteria. Fifty-five patients had unilateral hearing loss, including single-sided deafness, conductive hearing loss, or mixed hearing loss. Nine patients had bilateral hearing loss. Patients were divided into groups based on time to processor loading (>12 weeks, <12 weeks, <6 weeks). All patients were loaded with the external processor at less than 6 weeks when possible. Preoperative and postoperative audiometric evaluations were performed. Results. There were no cases of osseointegration failure. All groups showed significant improvement in audiometric testing using their BAI (P < .005), and there were no significant differences between patients loaded at less than 12 weeks and those loaded at less than 6 weeks (P > .05). Major skin complications were seen in 9% of subjects and minor complications in 30%. Conclusions. Single-stage BAI implantation with early processor loading is safe and effective in adults. All groups demonstrated significant audiometric benefit that was not affected in patients loaded early. Major and minor skin-site complications frequently delayed processor loading, but there were no cases of osseointegration failure in any group.

Original languageEnglish
Pages (from-to)402-407
Number of pages6
JournalOtolaryngology - Head and Neck Surgery
Volume144
Issue number3
DOIs
StatePublished - Mar 1 2011

Fingerprint

Bone and Bones
Osseointegration
Mixed Conductive-Sensorineural Hearing Loss
Unilateral Hearing Loss
Bilateral Hearing Loss
Conductive Hearing Loss
Skin
Otolaryngology
Deafness
Tertiary Care Centers

Keywords

  • Baha
  • Bone-anchored implant
  • Early loading
  • Osseointegration
  • SNR loss

ASJC Scopus subject areas

  • Otorhinolaryngology
  • Surgery
  • Medicine(all)

Cite this

Early loading after single-stage bone-anchored implantation in adults. / Zeitler, Daniel M.; Snapp, Hillary A; Angeli, Simon I; Herman, Bjorn S.; Plum, Ann W.; Telischi, Fred F.

In: Otolaryngology - Head and Neck Surgery, Vol. 144, No. 3, 01.03.2011, p. 402-407.

Research output: Contribution to journalArticle

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AB - Objective. Classically, processor loading after single-stage bone-anchored implantation (BAI) surgery follows a 3-month osseointegration period. The purpose of this study was to examine audiometric outcomes and postoperative complications in adult patients undergoing single-stage BAI with processor loading at less than 6 weeks postoperatively. Study Design. Retrospective review. Setting. Otology clinic in a tertiary care academic center. Subjects and Methods. A retrospective review was performed of all adult patients (>18 years) undergoing BAI from 2007 to 2010. Sixty-four patients met inclusion criteria. Fifty-five patients had unilateral hearing loss, including single-sided deafness, conductive hearing loss, or mixed hearing loss. Nine patients had bilateral hearing loss. Patients were divided into groups based on time to processor loading (>12 weeks, <12 weeks, <6 weeks). All patients were loaded with the external processor at less than 6 weeks when possible. Preoperative and postoperative audiometric evaluations were performed. Results. There were no cases of osseointegration failure. All groups showed significant improvement in audiometric testing using their BAI (P < .005), and there were no significant differences between patients loaded at less than 12 weeks and those loaded at less than 6 weeks (P > .05). Major skin complications were seen in 9% of subjects and minor complications in 30%. Conclusions. Single-stage BAI implantation with early processor loading is safe and effective in adults. All groups demonstrated significant audiometric benefit that was not affected in patients loaded early. Major and minor skin-site complications frequently delayed processor loading, but there were no cases of osseointegration failure in any group.

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