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Electrophysiological detection of scalar changing perimodiolar cochlear electrode arrays: a long term follow-up study

Overview of attention for article published in European Archives of Oto-Rhino-Laryngology, June 2016
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Title
Electrophysiological detection of scalar changing perimodiolar cochlear electrode arrays: a long term follow-up study
Published in
European Archives of Oto-Rhino-Laryngology, June 2016
DOI 10.1007/s00405-016-4175-2
Pubmed ID
Authors

Philipp Mittmann, I. Todt, A. Ernst, G. Rademacher, S. Mutze, S. Göricke, M. Schlamann, R. Ramalingam, S. Lang, F. Christov, D. Arweiler-Harbeck

Abstract

The position of the cochlear electrode array within the scala tympani is essential for an optimal hearing benefit. An intraoperative NRT-ratio was established, which can provide information about the intraoperative intracochlear electrode array position for perimodiolar electrodes. The aims of this study were to verify the longterm reliability for the NRT-ratio in perimodiolar electrodes. In a retrospective controlled study in a Tertiary Referral Center the electrophysiological data sets of 123 patients with implanted Nucleus Contour Advance electrodes were enclosed. Intraoperative and up to 1 year follow-up Auto-NRTs were evaluated. A NRT-ratio was calculated by dividing the average Auto-NRT data from electrode 16 to 18 with the average from electrode 5 to 7. Using a flat panel tomography system, the position of the electrode array was certified radiological. 31 patients with perimodiolar electrodes with 1 year follow-up data were included in the study. Eleven patients showed regular follow-up NRT-ratio with a correlated and radiologically confirmed electrode position. 20 patients showed mismatches between the NRT-ratio and the radiological position. These patients were highly variable in terms of duration of deafness and neural spectrum disorders. The NRT-ratio can be used to determine the intracochlear position of the electrode array for perimodiolar electrodes. Intraoperatively the NRT-ratio predicts the array position within the cochlea highly reliable for perimodiolar electrodes. We showed that after 6 months and a year, the NRT-ratio remains unchanged in most of the cases and shows a good correlation to the radiological determined position of the array. Nevertheless, the condition of the neural structures is highly important for reproducible responses. Limited validity is given in patients with degenerative and structural neural disorders.

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Mendeley readers

The data shown below were compiled from readership statistics for 17 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 17 100%

Demographic breakdown

Readers by professional status Count As %
Researcher 5 29%
Unspecified 3 18%
Student > Master 3 18%
Other 2 12%
Student > Ph. D. Student 1 6%
Other 3 18%
Readers by discipline Count As %
Medicine and Dentistry 8 47%
Unspecified 4 24%
Agricultural and Biological Sciences 1 6%
Nursing and Health Professions 1 6%
Neuroscience 1 6%
Other 2 12%

Attention Score in Context

This research output has an Altmetric Attention Score of 1. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 11 April 2017.
All research outputs
#10,833,005
of 12,220,104 outputs
Outputs from European Archives of Oto-Rhino-Laryngology
#998
of 1,567 outputs
Outputs of similar age
#223,882
of 269,991 outputs
Outputs of similar age from European Archives of Oto-Rhino-Laryngology
#38
of 96 outputs
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So far Altmetric has tracked 1,567 research outputs from this source. They receive a mean Attention Score of 2.1. This one is in the 1st percentile – i.e., 1% of its peers scored the same or lower than it.
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