Foot and ankle surgery : official journal of the European Society of Foot and Ankle Surgeons · 2017
Stair-shaped Achilles tendon lengthening in continuity - A new method to treat equinus deformity in patients with spastic cerebral palsy.
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Li Zhengxun, Zhang Ning, Wang Yang, Cao Songhua, Huang Zheng, Hu Yong
Аннотация
BACKGROUND: Equinus of the ankle is a common deformity in spastic cerebral palsy. Achilles tendon lengthening is one of the effective options for the treatment of equinus deformity.
METHODS: In the study, a new stair-shaped Achilles tendon lengthening (ATL) procedure that preserves of the tendon continuity was performed in 28 tendons with equinus deformity (20 patients, mean age=10.5±2.6 years). The results were compared with a group of patients treated with the Z-lengthening procedure. During the latest follow-up visit, the American Orthopaedic Foot & Ankle Society (AOFAS) Ankle-Hindfoot scale score was much higher in the stair-shaped ATL group than in the Z-lengthening group (p<0.05).
RESULTS: The two groups showed similar surgical correction angle after ATL(37.2±3.5° for stair-shaped ATL and 36.1±4.5° for Z-lengthening). During the latest follow-up visit, the correction angle in the Z-lengthening group decreased to 21.6±4.3°, which was lower than in the stair-shaped ATL group (29.0±3.1°; p<0.05). In addition, the data regarding the time required by each patient before being able to start rehabilitation and walking as well as gaining better stability for running indicated that the stair-shaped ATL group recovered significantly quicker than the Z-lengthening group.
CONCLUSIONS: The stair-shaped ATL procedure resulted in a successful correction of the equinus deformity in spastic cerebral palsy, with the advantage of preserving a degree of continuity without a complete section of the tendon. This confers greater antigravity stability and quicker recovery in patients.
METHODS: In the study, a new stair-shaped Achilles tendon lengthening (ATL) procedure that preserves of the tendon continuity was performed in 28 tendons with equinus deformity (20 patients, mean age=10.5±2.6 years). The results were compared with a group of patients treated with the Z-lengthening procedure. During the latest follow-up visit, the American Orthopaedic Foot & Ankle Society (AOFAS) Ankle-Hindfoot scale score was much higher in the stair-shaped ATL group than in the Z-lengthening group (p<0.05).
RESULTS: The two groups showed similar surgical correction angle after ATL(37.2±3.5° for stair-shaped ATL and 36.1±4.5° for Z-lengthening). During the latest follow-up visit, the correction angle in the Z-lengthening group decreased to 21.6±4.3°, which was lower than in the stair-shaped ATL group (29.0±3.1°; p<0.05). In addition, the data regarding the time required by each patient before being able to start rehabilitation and walking as well as gaining better stability for running indicated that the stair-shaped ATL group recovered significantly quicker than the Z-lengthening group.
CONCLUSIONS: The stair-shaped ATL procedure resulted in a successful correction of the equinus deformity in spastic cerebral palsy, with the advantage of preserving a degree of continuity without a complete section of the tendon. This confers greater antigravity stability and quicker recovery in patients.