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<p>Psychophysical measurements of T and C-levels are difficult in children. Electrically evoked Stapedial Reflex (eSRT) and Neural Response Telemetry (NRT) is an objective method to measure the same. This study aims to correlate intraoperative eSRT and NRT levels with Maximum Comfort Level (MCL) in children and ascertain its usefulness in programming a cochlear implant. Thirty children undergoing cochlear implant surgery were included. Intra-operative eSRT and NRT was measured using single electrode stimulation on third electrode. After three weeks, implant was switched on and MCL were documented. We observed a statistically significant positive correlation of eSRT (r<sup>2</sup>-0.755) and NRT (r<sup>2</sup>-0.698) with maximum comfort level. Intra-operative eSRT and NRT testing can reliably predict the behavioural MCL, and can be useful for evaluating patients who are difficult to test.</p>

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A Study of Correlation Between Intra-operative Electrically Evoked Stapedial Reflex and Neural Response Telemetry with Maximum Comfort Level in Children with Cochlear Implant

  • 期刊论文

  • 发表日期：

    2025年6月11日

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  • Priya Dogra,
  • Prem Singh Jat,
  • Sunita Agarwal,
  • Payal Kumbhat

摘要

Psychophysical measurements of T and C-levels are difficult in children. Electrically evoked Stapedial Reflex (eSRT) and Neural Response Telemetry (NRT) is an objective method to measure the same. This study aims to correlate intraoperative eSRT and NRT levels with Maximum Comfort Level (MCL) in children and ascertain its usefulness in programming a cochlear implant. Thirty children undergoing cochlear implant surgery were included. Intra-operative eSRT and NRT was measured using single electrode stimulation on third electrode. After three weeks, implant was switched on and MCL were documented. We observed a statistically significant positive correlation of eSRT (r2-0.755) and NRT (r2-0.698) with maximum comfort level. Intra-operative eSRT and NRT testing can reliably predict the behavioural MCL, and can be useful for evaluating patients who are difficult to test.