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Sökning: onr:"swepub:oai:DiVA.org:uu-449196" > Three-Dimensional M...

  • Helpard, LukeWestern Univ, Sch Biomed Engn, 1151 Richmond St, London, ON N6A 3K7, Canada (författare)

Three-Dimensional Modeling and Measurement of the Human Cochlear Hook Region : Considerations for Tonotopic Mapping

  • Artikel/kapitelEngelska2021

Förlag, utgivningsår, omfång ...

  • Lippincott Williams & Wilkins,2021
  • printrdacarrier

Nummerbeteckningar

  • LIBRIS-ID:oai:DiVA.org:uu-449196
  • https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-449196URI
  • https://doi.org/10.1097/MAO.0000000000003065DOI

Kompletterande språkuppgifter

  • Språk:engelska
  • Sammanfattning på:engelska

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  • Ämneskategori:ref swepub-contenttype
  • Ämneskategori:art swepub-publicationtype

Anmärkningar

  • Hypothesis: Measuring the length of the basilar membrane (BM) in the cochlear hook region will result in improved accuracy of cochlear duct length (CDL) measurements.Background: Cochlear implant pitch mapping is generally performed in a patient independent approach, which has been shown to result in place-pitch mismatches. In order to customize cochlear implant pitch maps, accurate CDL measurements must be obtained. CDL measurements generally begin at the center of the round window (RW) and ignore the basal-most portion of the BM in the hook region. Measuring the size and morphology of the BM in the hook region can improve CDL measurements and our understanding of cochlear tonotopy.Methods: Ten cadaveric human cochleae underwent synchrotron radiation phase-contrast imaging. The length of the BM through the hook region and CDL were measured. Two different CDL measurements were obtained for each sample, with starting points at the center of the RW (CDLRW) and the basal-most tip of the BM (CDLHR). Regression analysis was performed to relate CDLRW to CDLHR. A three-dimensional polynomial model was determined to describe the average BM hook region morphology.Results: The mean CDLRW value was 33.03 ± 1.62 mm, and the mean CDLHR value was 34.68 ± 1.72 mm. The following relationship was determined between CDLRW and CDLHR: CDLHR = 1.06(CDLRW)-0.26 (R2 = 0.99).Conclusion: The length and morphology of the hook region was determined. Current measurements underestimate CDL in the hook region and can be corrected using the results herein.

Ämnesord och genrebeteckningar

Biuppslag (personer, institutioner, konferenser, titlar ...)

  • Li, Hao,1984-Uppsala universitet,Öron-, näs- och halssjukdomar(Swepub:uu)haoli805 (författare)
  • Rohani, Seyed A.Western Univ, Dept Otolaryngol Head & Neck Surg, London, ON, Canada (författare)
  • Rask-Andersen, HelgeUppsala universitet,Öron-, näs- och halssjukdomar(Swepub:uu)helgraan (författare)
  • Ladak, Hanif M.Western Univ, Sch Biomed Engn, 1151 Richmond St, London, ON N6A 3K7, Canada; Western Univ, Dept Otolaryngol Head & Neck Surg, London, ON, Canada; Western Univ, Dept Med Biophys, London, ON, Canada; Western Univ, Dept Elect & Comp Engn, London, ON, Canada (författare)
  • Agrawal, SumitWestern Univ, Sch Biomed Engn, 1151 Richmond St, London, ON N6A 3K7, Canada; Western Univ, Dept Otolaryngol Head & Neck Surg, London, ON, Canada; Western Univ, Dept Med Biophys, London, ON, Canada; Western Univ, Dept Elect & Comp Engn, London, ON, Canada (författare)
  • Western Univ, Sch Biomed Engn, 1151 Richmond St, London, ON N6A 3K7, CanadaÖron-, näs- och halssjukdomar (creator_code:org_t)

Sammanhörande titlar

  • Ingår i:Otology and Neurotology: Lippincott Williams & Wilkins42:6, s. E658-E6651531-71291537-4505

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