Orthopaedics & traumatology, surgery & research : OTSR · 2016
Congenital dislocation of the knee at birth - Part I: Clinical signs and classification.
СтатьяНазвание и аннотация: Перевод в очереди
Обработка статьи · этапы, ошибки и управление
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Mehrafshan M, Wicart P, Ramanoudjame M, Seringe R, Glorion C, Rampal V
Аннотация
INTRODUCTION: Congenital dislocation of the knee (CDK) is rare, and clinical semiology at birth is not always suitably analyzed. Existing classifications fail to guide treatment. The aim of the present study was to develop a CDK classification for the neonatal period.
HYPOTHESIS: A classification based on neonatal severity of clinical signs is easy to implement on simple criteria.
MATERIAL AND METHODS: Fifty-one CDKs (40 patients) seen neonatally were included. Three types could be distinguished in terms of reduction and stability: type I, easily reducible CDK, with reduction snap when the femoral condyles pass in flexion, remaining stable in flexion; type II, "recalcitrant" dislocation, reducible by posteroanterior "piston" but unstable, with iterative dislocation once posteroanterior pressure on the condyles is relaxed; and type III, irreducible. The number of anterior skin grooves, global range of motion, flexion deficit and reduction stability were noted for each type.
RESULTS: Mean age at first consultation was 5.6 days (range: 0-30). CDK was type I, II and III in respectively 28, 16 and 7 cases. Number of skin grooves, flexion and baseline range of motion were greater in type I than types II and III.
CONCLUSION: The present neonatal clinical classification is original, logical and simple. It may be useful for prognosis and guiding treatment.
LEVEL OF EVIDENCE: IV, single-center retrospective series.
HYPOTHESIS: A classification based on neonatal severity of clinical signs is easy to implement on simple criteria.
MATERIAL AND METHODS: Fifty-one CDKs (40 patients) seen neonatally were included. Three types could be distinguished in terms of reduction and stability: type I, easily reducible CDK, with reduction snap when the femoral condyles pass in flexion, remaining stable in flexion; type II, "recalcitrant" dislocation, reducible by posteroanterior "piston" but unstable, with iterative dislocation once posteroanterior pressure on the condyles is relaxed; and type III, irreducible. The number of anterior skin grooves, global range of motion, flexion deficit and reduction stability were noted for each type.
RESULTS: Mean age at first consultation was 5.6 days (range: 0-30). CDK was type I, II and III in respectively 28, 16 and 7 cases. Number of skin grooves, flexion and baseline range of motion were greater in type I than types II and III.
CONCLUSION: The present neonatal clinical classification is original, logical and simple. It may be useful for prognosis and guiding treatment.
LEVEL OF EVIDENCE: IV, single-center retrospective series.