F波の記録と再現性 : 健常若年者における正中, 尺骨, 腓骨, 脛骨4神経の分析

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Various parameters of F-waves including frequency of response (FREQ), minimal latency (MIN), maximal latency (MAX), mean latency (MEAN) and difference between minimal and maximal latencies (DIFF) were analysed. F-responses were obtained from median, ulnar, tibial and peroneal nerves from 50 healthy subjects of both sexes aged between 20 to 33 years old. The following results were obtained : 1) The mean value of each latency (MIN, MAX, MEAN) was similar to the values obtained by other authors in Japan, but shorter than those obtained in European and American laboratories. The FREQ of F-waves was highest in tibial nerves and lowest in peroneal nerves.2) There was a strong correlation between height and each latency (MIN, MAX, MEAN). And the coefficient variable (standard deviation/mean) of each parameter (MIN, MAX, MEAN) was decreased by using ones corrected by height.3) The differences of mean values between 20 and 40 repetitive recordings were not statistically significant in all parameters except DIFF.4) The reproducibility of each parameter was confirmed by examinations conducted on two separate days. In conclusion, we suggests that : (i) the 20-repetitive-recording-method should suffice for clinical assessment, (ii) each parameter of F-response, especially when corrected by height, is highly reproducible, and (iii) the day-to-day analysis of F-response parameters appears to be useful in conducting follow-up of the changes of proximal lesions of peripheral nerves.
社団法人日本リハビリテーション医学会の論文
1989-01-18

F波の記録と再現性 : 健常若年者における正中, 尺骨, 腓骨, 脛骨4神経の分析

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