Flexor tendon-pulley interaction after annular pulley reconstruction: a biomechanical study in a dog model in vivo

The Journal of Hand Surgery
Jun NishidaK N An

Abstract

The excursion resistance between the canine flexor digitorum profundus tendon and A2 pulley was compared after pulley reconstruction using tendon grafts of either intrasynovial or extrasynovial origin at 10 days, 3 weeks, and 6 weeks after surgery. The changes over time in the underlying flexor digitorum profundus tendon after pulley reconstruction were also evaluated. The excursion resistance for both types of pulley reconstruction was significantly greater than that of the control group at all time periods. The excursion resistance of the extrasynovial tendon graft reconstruction was greater than that of intrasynovial pulley reconstruction at all time periods. In conclusion, pulley reconstruction with intrasynovial tendon grafts may facilitate tendon gliding after surgery.

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Citations

May 11, 2005·Hand Clinics·Vishal Mehta, Craig S Phillips
Aug 10, 2002·Journal of Orthopaedic Research : Official Publication of the Orthopaedic Research Society·Chunfeng ZhaoKai-Nan An
Feb 27, 2014·Hand : Official Journal of the American Association for Hand Surgery·Spencer J StanburyJohn C Elfar
Oct 7, 2004·The Journal of Hand Surgery·Tatsuro TanakaKai-Nan An
Jun 9, 2020·Annals of Anatomy = Anatomischer Anzeiger : Official Organ of the Anatomische Gesellschaft·Tobias FritzFlorian S Frueh

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