ArticleArchives of orthopaedic and trauma surgery2026
Long-term results of thumb carpometacarpal joint arthrodesis.
Article in Archives of orthopaedic and trauma surgery, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
introductionThumb carpometacarpal (CMC 1) arthrodesis remains an established treatment option for patients with high functional demands and strength requirements. Long-term data on mobility, complication rates and clinical outcomes remain limited. This study aimed to analyze long-term clinical and radiological results after CMC 1 arthrodesis. MATERIALS AND
methodsA single-center, retrospective study included patients who underwent CMC 1 arthrodesis between 2004 and 2024. Following medical record analysis, eligible patients were invited to a standardized clinical and radiological follow-up examination. Outcomes included DASH, PRWHE and MHQ scores, pain intensity, mobility, strength and patient satisfaction. Radiological assessment covered fusion signs, implant position and adjacent joint arthrosis. The median follow-up was 9 years.
results34 patients were included, 16 participated in follow-up. The median DASH score was 14 points, PRWHE 4 points and MHQ 80 (operated) vs. 84 (contralateral). Grip strength reached 85% of the contralateral side, with preserved pinch strength. Compensatory adaptation of adjacent joints was observed regarding range of motion. Patients reported no relevant resting pain and only minimal load-related discomfort. 15 of 16 patients were satisfied with the outcome. Non-union occurred in 4 of 34 cases (11.8%), associated with absent cancellous bone grafting or compression screws. Revision surgery was required in 3 patients, achieving bone consolidation and pain remission in all cases. Radiological follow-up revealed STT arthrosis in 27% of cases, without clinical relevance.
conclusionCMC 1 arthrodesis demonstrates good long-term results with significant pain relief and high patient satisfaction. Mobility compensation and near-complete strength restoration were observed. Adjacent joint arthrosis occurred but remained largely asymptomatic. The use of cancellous bone grafting and compression screws is strongly recommended to reduce non-union risk. Arthrodesis proves a reliable surgical option, particularly for patients with high strength requirements.
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