Unfavourable short-term outcomes of a poly-L/D-lactide scaffold for thumb trapeziometacarpal arthroplasty

The Journal of Hand Surgery, European Volume
S Mattila, E Waris

Abstract

The bioabsorbable poly-L-D-lactide joint scaffold arthroplasty is a recent attempt in the reconstruction of small joints in rheumatoid patients. In this study, we analysed the 1-year clinical, functional and radiologic results of partial trapeziectomy with the poly-L-D-lactide (96/4) joint scaffold in 23 patients with isolated trapeziometacarpal osteoarthritis. The results showed that the procedure provided pain relief and improvement in overall function according to the Quick Disabilities of the Arm, Shoulder and Hand score in most patients. However, radiographs demonstrated a high frequency of osteolysis around the implant. Seven patients developed clinically manifested foreign-body reactions 6 months to 1 year after surgery. The reason for the unexpected tissue reactions may relate to excessive mechanical cyclic loading of the implant. The outcomes of this implant in our patients have not been sufficiently beneficial and we have discontinued use of this implant in isolated trapeziometacarpal osteoarthritis.

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Citations

Aug 20, 2016·The Journal of Hand Surgery, European Volume
Apr 15, 2016·The Journal of Hand Surgery, European Volume·Jin Bo Tang, Grey Giddins
Jun 9, 2020·Hand : Official Journal of the American Association for Hand Surgery·Augusto MarcuzziAntonio Landi
Jan 25, 2021·Hand Surgery and Rehabilitation·J C MessinaP S Randelli
Jan 29, 2020·The Journal of Hand Surgery·Augustin LereboursAlain-Charles Masquelet
Oct 28, 2021·Plastic and Reconstructive Surgery·Jeffrey G TrostDavid T Netscher

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Methods Mentioned

BETA
xenograft

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