Observational analysis shows stronger postoperative vocal fold recovery in patients with subthreshold EMG waveforms, suggesting enhanced monitoring efficacy.
In cases of Type I LOS during thyroid surgery, the presence of subthreshold biphasic EMG waveforms may reflect residual neural conduction and is strongly associated with postoperative vocal fold recovery. These findings suggest that optimization of threshold settings can improve the sensitivity of IONM interpretation and assist in intraoperative prognostic assessment.
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Cheon et al. (2026) studied this question.
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