Lin chuang er bi yan hou ke za zhi = Journal of clinical otorhinolaryngology · 1999
[Nerve electrogram study on different degrees injuries of recurrent laryngeal nerve].
Аннотация на английскомСтатьяНазвание и аннотация: Перевод в очереди
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Gong S, Wang J
Аннотация
OBJECTIVE: To study the display of different degrees injuries of recurrent laryngeal nerve in electroneurogram.
METHOD: We imitated several common types of injuries i.e. stretch, claming, electrocautery and cut in cervial segment of recurrent laryngeal nerve and measured latency and amplitude of the nerve by electroneurography.
RESULT: The normal value of latency was (1.58 +/- 0.14) ms and that of amplitude was (2.53 +/- 0.78) mV; stretch group was (2.43 +/- 0.32) ms and (0.95 +/- 0.23) mV; claming group was (2.99 +/- 0.55) ms and (0.62 +/- 0.22) mV; electrocautery group was (4.85 +/- 1.03) ms and (0.24 +/- 0.15) mV; cut group was infinity ms and 0 mV.
CONCLUSION: Latency correlated directly with the degree of nerve injury. Whereas amplitude correlated inversely with the degree of nerve injury. Stretch injured recurrent laryngeal nerve the least, followed by claming, electrocautery and cut. This method could be used for nerve monitoring during operation and prognostic judgement.
METHOD: We imitated several common types of injuries i.e. stretch, claming, electrocautery and cut in cervial segment of recurrent laryngeal nerve and measured latency and amplitude of the nerve by electroneurography.
RESULT: The normal value of latency was (1.58 +/- 0.14) ms and that of amplitude was (2.53 +/- 0.78) mV; stretch group was (2.43 +/- 0.32) ms and (0.95 +/- 0.23) mV; claming group was (2.99 +/- 0.55) ms and (0.62 +/- 0.22) mV; electrocautery group was (4.85 +/- 1.03) ms and (0.24 +/- 0.15) mV; cut group was infinity ms and 0 mV.
CONCLUSION: Latency correlated directly with the degree of nerve injury. Whereas amplitude correlated inversely with the degree of nerve injury. Stretch injured recurrent laryngeal nerve the least, followed by claming, electrocautery and cut. This method could be used for nerve monitoring during operation and prognostic judgement.