Fucs Patrícia M M B, Svartman Celso, de Assumpção Rodrigo Montezuma César, Lima Verde Saulo Rabelo
Orthopaedic Department, Santa Casa Medical School and Hospitals, Pavilhão 'Fernandinho Simonsen', São Paulo, Brazil.
J Pediatr Orthop B. 2005 May;14(3):219-24. doi: 10.1097/01202412-200505000-00015.
Eight patients with arthrogryposis multiplex congenita (amyoplasia type) (11 knees) with knee hyperextension deformity underwent quadricepsplasty and were analyzed during an average follow-up period of 11 years and 2 months. The results were clinically analyzed based on gait pattern, range of movement, and orthotic requirements. Joint congruency was evaluated by radiography according to the Leveuf Pais classification. A satisfactory result was the correction of the deformity, articular congruency, sufficient range of movement, adequate gait pattern and no need for orthosis. A satisfactory outcome occurred in five of the eight patients (eight knees). We considered an unsatisfactory result when any of these conditions occurred. Our experience demonstrated that the quadricepsplasty corrected the hyperextension deformity of the knee joint, improved function, gait pattern, and maintained the muscle power of the quadriceps.
八例患有先天性多发性关节挛缩症（肌张力不全型）（11个膝关节）且存在膝关节过伸畸形的患者接受了股四头肌成形术，并在平均11年零2个月的随访期内进行了分析。基于步态模式、活动范围和矫形器需求对结果进行了临床分析。根据勒弗-佩斯分类法通过X线摄影评估关节一致性。满意的结果是畸形得到矫正、关节一致性良好、有足够的活动范围、步态模式良好且无需使用矫形器。八例患者中有五例（八个膝关节）获得了满意的结果。当出现任何一种这些情况时，我们认为结果不满意。我们的经验表明，股四头肌成形术矫正了膝关节的过伸畸形，改善了功能、步态模式，并维持了股四头肌的肌力。
