Wolber, Philipp, Stuermer, Konrad, Pazen, David, Cimen, Tim, Klussmann, Jens Peter ORCID: 0000-0002-8223-7954, Lueers, Jan-Christoffer and Schwarz, David (2021). Evaluation of a New Material From an Allogenic Collagen Scaffold as a Suitable Coupling Option for Round Window Vibroplasty. Otol. Neurotol., 42 (3). S. 442 - 447. PHILADELPHIA: LIPPINCOTT WILLIAMS & WILKINS. ISSN 1537-4505

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Abstract

Introduction: In round window vibroplasty the most efficient coupling technique for contact of the floating mass transducer (FMT) to the round window membrane (RWM) is yet to be determined. Various materials placed between the FMT and the RWM have been proposed to enable better stimulation of the cochlea. Collagenous scaffolds derived from decellularized extracellular cartilage matrices as a commercially available biomaterial are already used for other applications in ear surgery. We aimed to examine the coupling properties of collagen scaffolds compared with commonly used other materials (round window soft coupler, porcine perichondrium, and cartilage) as interponate between the FMT and the RWM in vibroplasty. Methods: A well-established in vitro temporal bone model was used. Volume velocities were measured with collagen scaffold compared with different interponates (round window soft coupler, porcine perichondrium, and cartilage) at 800, 1000, 1250, 1600, 2000, 2500, 3150, and 4000 Hz levels. Results: Statistical analysis revealed no superiority of commonly used materials compared with collagen scaffolds at all tested volume velocities (p > 0.05). Discussion: We could demonstrate that collagenous scaffolds of decellularized extracellular cartilage matrices have similar vibrational properties as conventional coupling materials of the FMT to the RWM in vibroplasty. Therefore, as a commercially available new material they display a suitable coupling option for round window vibroplasty.

Item Type: Journal Article
Creators:
CreatorsEmailORCIDORCID Put Code
Wolber, PhilippUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Stuermer, KonradUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Pazen, DavidUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Cimen, TimUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Klussmann, Jens PeterUNSPECIFIEDorcid.org/0000-0002-8223-7954UNSPECIFIED
Lueers, Jan-ChristofferUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Schwarz, DavidUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
URN: urn:nbn:de:hbz:38-567678
DOI: 10.1097/MAO.0000000000002961
Journal or Publication Title: Otol. Neurotol.
Volume: 42
Number: 3
Page Range: S. 442 - 447
Date: 2021
Publisher: LIPPINCOTT WILLIAMS & WILKINS
Place of Publication: PHILADELPHIA
ISSN: 1537-4505
Language: English
Faculty: Unspecified
Divisions: Unspecified
Subjects: no entry
Uncontrolled Keywords:
KeywordsLanguage
Clinical Neurology; OtorhinolaryngologyMultiple languages
URI: http://kups.ub.uni-koeln.de/id/eprint/56767

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