A favorable suture method for size-mismatched nerve transfer: comparison with standard perineural suture in an experimental rat study

Autor: Sho Iwabuchi, Yuki Hara, Yuichi Yoshii, Akira Ikumi, Hajime Mishima, Masashi Yamazaki
Jazyk: angličtina
Rok vydání: 2023
Předmět:
Zdroj: Journal of Orthopaedic Surgery and Research, Vol 18, Iss 1, Pp 1-7 (2023)
Druh dokumentu: article
ISSN: 1749-799X
DOI: 10.1186/s13018-023-04123-7
Popis: Abstract Background In nerve transfer for peripheral nerve injury, it is sometimes necessary to suture size-mismatched nerves. In 1993, a favorable suture method called the Ochiai suture method for size-mismatched nerve transfer was reported. However, there is currently a lack of substantial evidence beyond the original report. Therefore, this study aimed to verify the advantages of using the Ochiai suture method for size-mismatched nerve transfer. Methods A total of 18 rats were evaluated in this study and randomly divided into two groups. All rats underwent femoral to sciatic nerve transfer. Specifically, group A (n = 10) underwent the Ochiai suture method, while group B (n = 8) underwent the perineural suture method. After 12 weeks postoperatively, we conducted the sciatic functional index (SFI) test, measured muscle wet-weight, and performed histological evaluations. All data were compared between the two groups, with Welch’s t test for normally distributed data and Mann-Whitney's U test for non-normally distributed data. Statistical significance was set at p
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