Document Detail

High body mass index as a risk factor for skin overgrowth with the bone-anchored hearing aid.
MedLine Citation:
PMID:  20084043     Owner:  NLM     Status:  MEDLINE    
OBJECTIVES: To identify whether an increased body mass index (BMI) predisposes patients to more soft tissue problems after placement of a Bone-Anchored Hearing Aid implant. PATIENTS: We retrospectively reviewed 88 adult patients who met criteria for inclusion in the study. RESULTS: Ten (11.4%) of the 88 patients had significant soft tissue reaction requiring excision, revision of the skin graft, or placement of a longer abutment (8.5 mm). Of these 10 patients, 4 required placement of a longer abutment, whereas 4 underwent revision skin grafting. All 10 patients had scar excisions in the office. Of the 10 patients, 9 were considered obese with a BMI of 30 lb/in or greater. One patient was considered overweight with a BMI of 28.1 lb/in. The mean BMI for those patients with significant soft tissue reactions was 34.2 lb/in. The mean BMI for patients with no reaction or minor reactions was 27.6 and 27 lb/in, respectively. No patient lost an implant due to soft tissue reaction during the follow-up period. CONCLUSION: Our study demonstrates that after Bone-Anchored Hearing Aid surgery, most patients (78/88, 88.6%) had no soft tissue reaction or had only a mild reaction that was easily treated. However, there are a definite percentage of patients who may develop significant scarring over time. This study identified a significant relationship between obesity (BMI > 30 lb/in) and extensive soft tissue reaction around the implant site.
Leonard P Berenholz; John M Burkey; William H Lippy
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Otology & neurotology : official publication of the American Otological Society, American Neurotology Society [and] European Academy of Otology and Neurotology     Volume:  31     ISSN:  1537-4505     ISO Abbreviation:  Otol. Neurotol.     Publication Date:  2010 Apr 
Date Detail:
Created Date:  2010-04-14     Completed Date:  2010-07-09     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  100961504     Medline TA:  Otol Neurotol     Country:  United States    
Other Details:
Languages:  eng     Pagination:  430-2     Citation Subset:  IM    
Lippy Group for Ear, Nose and Throat, 3893 E. Market Street, Warren, OH 44484, U.S.A.
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MeSH Terms
Aged, 80 and over
Body Mass Index
Hearing Aids / adverse effects*
Middle Aged
Patient Selection
Prosthesis Failure*
Retrospective Studies
Risk Factors
Suture Anchors / adverse effects*

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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