Partial arthroscopic trapeziectomy and stabilisation by ligamentoplasty: Outcomes in patients younger than 60 years

2021 
Abstract Background Thumb carpometacarpal joint (TCMJ) osteoarthritis is the fourth leading cause of referral to elective hand surgery. None of the available techniques has proved superior over the others. Some techniques carry unacceptable risks for younger patients, such as loss of strength and shortening of the thumb column after total trapeziectomy, or wear and loosening after total arthroplasty. Our objective was to assess outcomes after partial arthroscopic trapeziectomy (PAT) combined with suspensionplasty using the abductor pollicis longus (APL) tendon in patients younger than 60 years of age. Hypothesis PAT combined with suspensionplasty using the APL tendon in patients younger than 60 years would restore strength in the medium-term without further surgery. Material and methods We retrospectively included consecutive patients operated between 2007 and 2017, in a single centre, and aged less than 60 years. All patients had isolated TCMJ osteoarthritis stage 1 to 3 according to Eaton and Glickel classification that remained symptomatic despite optimal conservative treatment. We collected pain intensity, range of motion, strength, the Nelson Hospital Score (NHS), and the Patient-Rated Wrist Evaluation (PRWE) score. Radiographs were reviewed. Results We included 27 patients, of whom 6 had surgery on both thumbs, yielding 33 thumbs for the analysis. Mean follow-up was 64.7 months (range: 10.6–136.5 months). Pain intensity, grip strength, and key-pinch strength were significantly improved (p  Discussion Patients younger than 60 years who are treated with this minimally invasive technique are likely to experience sustained improvements in both strength and pain intensity. Total trapeziectomy and pyrocarbon implant has also been evaluated in younger patients, who experienced pain relief and strength gains but had lower levels of satisfaction and developed complications inherent in the implants. The short time off work and low morbidity make our technique a procedure of choice in younger patients. To build on this study, a comparison of PAT and arthroplasty would be of interest. Level of evidence IV.
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