Ulnar nerve strain at the elbow in patients with cubital tunnel syndrome: Effect of simple decompression

K. Ochi, Y. Horiuchi, T. Nakamura, K. Sato, H. Arino, T. Koyanagi

研究成果: Article査読

19 被引用数 (Scopus)

抄録

Simple decompression of the ulnar nerve at the elbow has not been shown to reduce nerve strain in cadavers. In this study, ulnar nerve strain at the elbow was measured intraoperatively in 11 patients with cubital tunnel syndrome, before and after simple decompression. Statistical analysis was performed using a paired Student's t-test. Mean ulnar nerve strain before and after simple decompression was 30.5% (range 9% to 69%) and 5.5% (range -2% to 11%), respectively; this difference was statistically significant (p < 0.01) with a statistical power of 96%. Simple decompression reduced ulnar nerve strain in all patients by an average of 24.5%. Our results suggest that the pathophysiology of cubital tunnel syndrome may be multifactorial, being neither a simple compression neuropathy nor a simple traction neuropathy, and simple decompression may be a favourable surgical procedure for cubital tunnel syndrome in terms of decompression and reduction of strain in the ulnar nerve.

本文言語English
ページ(範囲)474-480
ページ数7
ジャーナルJournal of Hand Surgery: European Volume
38
5
DOI
出版ステータスPublished - 2013 6月

ASJC Scopus subject areas

  • 外科

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