2019
DOI: 10.1002/lary.28215
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Vocal cord function during recurrent laryngeal nerve injury assessed by accelerometry and EMG

Abstract: Objective Gradual impairment of nerve conduction is expected to be tightly associated with simultaneous gradual loss of vocal cord contractility, related to the fact that injured axons are connected to a defined number of muscle cells. In clinical studies, there is a time gap between observed adverse electromyographic (EMG) changes and examination of vocal cord function. This study evaluates the impact of intraoperative EMG changes on synchronous vocal cord contractility by simultaneous use of continuous intra… Show more

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Cited by 6 publications
(10 citation statements)
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References 26 publications
(56 reference statements)
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“…Nerve integrity is guaranteed, if normal EMG‐amplitude is measured by IONM. EMG amplitude seems compellingly to reflect vocal cord contractility, at least during RLN traction stress, as recently demonstrated in animal experiments comparing EMG with vocal cord accelerometry 18 . However, in clinical practice the reported accuracy of IONM for predicting VCP early after surgery is highly variable with PPVs ranging from 12% to 88% 5 …”
Section: Discussionmentioning
confidence: 82%
“…Nerve integrity is guaranteed, if normal EMG‐amplitude is measured by IONM. EMG amplitude seems compellingly to reflect vocal cord contractility, at least during RLN traction stress, as recently demonstrated in animal experiments comparing EMG with vocal cord accelerometry 18 . However, in clinical practice the reported accuracy of IONM for predicting VCP early after surgery is highly variable with PPVs ranging from 12% to 88% 5 …”
Section: Discussionmentioning
confidence: 82%
“…In contrast, Setså et al were unable to demonstrate a strong correlation between EMG values at 20 or 40‐min recovery time and the VC movement, when assessed by video‐laryngoscopy directly following extubation 15 . However, based on the strong correlation between EMG and VC movement obtained by ACC during nerve injury, as demonstrated by Dahle et al, 10 we would expect its existence also during the recovery phase. This study was therefore performed to thoroughly evaluate the relationship between EMG and VC movement assessed by ACC during 40‐min recovery following nerve stress by traction.…”
Section: Introductionmentioning
confidence: 81%
“…For perioperative registration of VC movement, an accelerometer probe was used. A complete presentation of the instrumental construction, design, and setup was recently presented 17 . The accelerometer probe was placed into the VC via a rigid diverticuloscope (12068B, Karl Storz SE & Co. KG, Tuttlingen, Germany) and cable‐connected to the controller unit.…”
Section: Methodsmentioning
confidence: 99%
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