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Development of the shields for tendon injury repair using polyvinyl alcohol — hydrogel ( PVA-H) by Masanori Kobayashi; Junya Toguchida; Masanori Oka is a Medicine article available to read on EtoBox.

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## Abstract In recent years, marked advances have been made in repair techniques for tendon injury, but the treatment of finger flexor tendon injury is still one of the most difficult and important problems in the orthopedic field. The main problem in tendon repair is adhesion between the tendon and surrounding tissue. To prevent this adhesion and achieve tendon union, we developed adhesion preventive shields for tendon repair using polyvinyl alcohol hydrogel ( PVA‐H) with 90% water content, and carried out an implant experiment using the deep flexor tendon of the third toe of domestic fowl. Injured tendons shielded with PVA‐H showed union at about 3 weeks after the operation without adhesion to the surrounding tissue and good function such as gliding and range of motion. Neither breakage of the PVA‐H shield itself nor infection, nor degeneration in the surrounding tissue were observed. These results confirmed that the tendon itself has repair ability, and the tendon is regenerated by synovial nutrition through PVA‐H. High water content PVA‐H may have clinically potential and be applicable to adhesion‐preventive shields for tendon repair. However, re‐rupture was observed, probably

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Author

Masanori Kobayashi; Junya Toguchida; Masanori Oka

Publisher

John Wiley and Sons; Wiley (John Wiley & Sons); Heterocorporation; Wiley (ISSN 0021-9304)

Published

2001

Language

EN

Field

Medicine (Health Sciences)