Six-Month Clinical Outcomes for Bone-Anchored Hearing Implants: Comparison Between Minimally Invasive Ponto Surgery and the Linear Incision Technique With Tissue Preservation
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Publication year
2020Source
Otology & Neurotology, 41, 4, (2020), pp. e475-e483ISSN
Publication type
Article / Letter to editor
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Organization
Otorhinolaryngology
Radboudumc Extern
Journal title
Otology & Neurotology
Volume
vol. 41
Issue
iss. 4
Page start
p. e475
Page end
p. e483
Subject
Radboudumc 12: Sensory disorders DCMN: Donders Center for Medical Neuroscience; Otorhinolaryngology - Radboud University Medical CenterAbstract
OBJECTIVES: The aim of this study is to investigate and compare the clinical outcomes of minimally invasive ponto surgery (MIPS) to the linear incision technique with soft tissue preservation (LIT-TP) for percutaneous bone-anchored hearing implants (BAHI). STUDY DESIGN: Prospective cohort study with a historical control group. SETTING: Tertiary referral center. PATIENTS: Twenty-five patients were prospectively included in the test group. The control group consisted of 25 patients who previously participated in another clinical trial and already underwent BAHI surgery. INTERVENTION: All patients were implanted with a 4.5-mm-wide implant, using MIPS in the test group and the LIT-TP in the control group. Follow-up visits were scheduled 7 days, 21 days (sound processor fitting), 12 weeks and 6 months after surgery. MAIN OUTCOME MEASURES: The primary outcome measure was skin sensibility around the abutment 6 months after surgery. Secondary outcomes were subjective numbness, surgery time, wound healing, adverse soft tissue reactions, cosmetic outcomes, implant stability quotient (ISQ), implant survival, and sound processor use. RESULTS: Skin sensibility, adverse soft tissue reactions, and sound processor use were comparable between groups. The test group had a shorter surgery time and better cosmetic outcomes. More skin dehiscences and a statistically nonsignificant higher implant loss rate (12% vs 0%, p = 0.079) were observed in the test group. CONCLUSION: MIPS is comparable to the LIT-TP regarding skin sensibility at 6 months and soft tissue tolerability. With MIPS, surgery time is further reduced and better cosmetic outcomes are reported. More research into MIPS, exact drill protocol, used instruments, and associated implant loss is warranted.
This item appears in the following Collection(s)
- Academic publications [245103]
- Electronic publications [132420]
- Faculty of Medical Sciences [93207]
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