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Article Dans Une Revue Orthopaedics & Traumatology: Surgery & Research Année : 2016

Prognostic factors in two-stage flexor tendon reconstruction: Is it possible to predict surgical failure?

Résumé

INTRODUCTION: Two-stage surgical reconstruction of the flexor tendons by the Hunter technique is the salvage option in case of old tears or a severely damaged fibro-osseous canal. HYPOTHESIS: The identification of poor prognostic factors during the assessment of injuries at presentation could help determine indications and predict failures. MATERIALS AND METHODS: We report a retrospective single center series of reconstruction of zone 2 of the flexor digitorum profundus of the long fingers between 2000 and 2012, in 22 patients, mean age 33 years old with a mean follow-up of 36.4 months. RESULTS: The total active range of motion (TAM) of the rays was 110° with a mean range of motion of the PIP and DIP of 71° and 39° respectively. Sixty-three percent of patients were satisfied and 73% returned to their professional activities. A group with good and fair results was determined based on the Strickland classification (68%, 15 patients, mean TAM 126°, mean QuickDASH 22.6) and a group with poor results (32%, 7 patients, mean TAM 77°, mean QuickDASH 43.4). The factors of a poor prognosis were associated injuries to the extensor apparatus, infection (phlegmon) (P=0.023) and joint injuries (P=0.09). DISCUSSION: There are no factors in the literature to predict a poor prognosis except for reconstruction of the flexor pollicis longus. A simplified procedure could provide better results in patients with associated injuries to the extensor apparatus, infection (phlegmon) or osteoarticular damage, in terms of the duration of physical therapy, additional surgery and overall socioeconomic cost. The results in the literature of superficialis finger reconstruction are significantly better (P<0.001). CONCLUSION: Although the Hunter technique is still the reference procedure for the reconstruction of flexor tendons, our study identified prognostic factors of poor functional results such as infection and associated extensor apparatus damage, which should orient the surgeon towards a simplified technique such as the superficialis finger procedure. LEVEL OF EVIDENCE: IV: retrospective study.

Dates et versions

hal-01881746 , version 1 (26-09-2018)

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I. Djerbi, M. Chammas, M.-P. Mirous, C. Lazerges, B. Coulet. Prognostic factors in two-stage flexor tendon reconstruction: Is it possible to predict surgical failure?. Orthopaedics & Traumatology: Surgery & Research, 2016, 102 (1), pp.53 - 59. ⟨10.1016/j.otsr.2015.11.006⟩. ⟨hal-01881746⟩
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