Abstract
A total of 311 cases with recurrent laryngeal nerve (RLN) paralysis, comprising of unilateral and bilateral, are statistically analyzed to obtain the following results:1. The spontaneous recovery from RLN paralysis can occur as low as 20% of all the cases examined.2. Eighty per cent of the cases having shown eventual recovery from RLN paralysis demonstrated their recovery sign as early as before 3 months following the onset.3. The complete recovery from RLN paralysis occurred in 74% of the spontaneously recovered cases while incomplete recovery was seen in 26%.4. An intubation tube might ensure the highest recovery rate of 73% among other etiological factors.5. The right RLN paralysis tended to improve more greatly with a ratio of 38% than the left in 24% while the bilateral RLN paralysis spontaneously recovered only in 17%.6. The cases presenting both the median and the paramedian fixation of the vocal cord (s) improved in 29% while other cases with the intermediate fixation showed spontaneous recovery in 23%.7. The paralyzed vocal cord (s) with the straight appearance improved more greatly in 38% than the vocal cord with the bowed appearance in 21%.
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