Abstract

BackgroundOne of the current choices of treatment for Trapeziometacarpal (TMC) joint arthritis is trapeziectomy with ligament reconstruction and tendon interposition arthroplasty. The Ceruso’s technique consists of complete trapezial excision and abductor pollicis longus (APL) tendon suspension. The APL tendon is tied to the flexor carpi radialis (FCR) tendon with two loops, one around it and one inside, and then used as interposition tissue. The purpose of the present study was to compare two different techniques of a trapeziectomy with ligament reconstruction and tendon interposition arthroplasty using the Abductor Pollicis Longus (APL) tendon, which is only Once Looped Around (OLA) versus Once Looped Inside (OLI) the Flexor Carpi Radialis (FCR) tendon.MethodsA single-center, retrospective study (Level of evidence: III) has been conducted on sixty-seven patients older than 55 years (33 OLI, 35 OLA), assessing clinical outcomes for at least 2 years of post-surgery follow-up. The outcomes were to assess and compare surgical outcomes comparing the two groups, in terms of subjective and objective evaluation for both groups at the last follow-up (primary outcome), and at the intermediate follow-ups (three and six months). Complications were also assessed.ResultsThe authors found an improvement in pain, range of motion, and function, with equivalent results for both techniques. No subsidence was observed. FCR tendinitis was significantly reduced with OLI, as well as the need of post-operative physiotherapy.ConclusionsThe one-loop technique allows for reduced surgical exposure, providing excellent suspension and clinical outcomes. Intra FCR loop should be preferred to improve post-surgical recovery.Level of evidenceLevel III study. This is a retrospective cohort study (written according to STROBE guidelines).

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