Flexor Digitorum Superficialis Tendon Sling
Volar Plate Reconstruction for Swan-Neck Deformity in the Spastic Finger.
J Hand Surg Asian Pac Vol 2017;
22:251-254. [PMID:
28506156 DOI:
10.1142/s0218810417720182]
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Abstract
The condition of proximal interphalangeal joint (PIPJ) locking in hyperextension may occur in the athetoid or spastic hand with moderate or severe swan-neck deformity at the 'opening' phase of prehension. The patient's complaints are of complete or incomplete locking that may require passive assistance to initiate PIPJ flexion. Surgical procedures to overcome this include rerouting the lateral band, stabilisation or reconstruction procedure for the volar instability of the PIPJ, etc. Volar stabilisation may be achieved by Flexor digitorum superficialis (FDS) tenodesis procedures or criss-cross tendon graft for volar plate reconstruction. We report a case of successful stabilisation using the criss-cross tendon sling procedure for volar plate reconstruction using a slip of the FDS tendon instead of a free tendon graft. This is a simple and safe procedure that effectively corrects the swan-neck deformity and improves the prehension function in the hand.
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