Foot & ankle international · 2007
A comparative study of wire fixation and screw fixation in arthrodesis for the correction of hallux rigidus using an in vitro biomechanical model.
Сравнительное исследованиеСтатьяНазвание и аннотация: Перевод в очереди
Обработка статьи · этапы, ошибки и управление
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История · было → стало
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Faraj Adnan A, Naraen Asheem, Twigg Peter
Аннотация
BACKGROUND: Arthrodesis of the great toe metatarsophalangeal joint for osteoarthritis usually involves internal fixation. Ideally, the fixation method should be reproducible, leading to a high rate of fusion and minimal complications.
METHODS: This biomechanical study compares circumferential wire and screw fixation methods of arthrodesis.
RESULTS: The two arthrodesis models have remarkably similar limits of elastic and plastic deformation. However, in the screw, failure by permanent deformation occurs at a load six times higher than the wire.
CONCLUSIONS: The use of circumferential wire fixation for osteoporotic bones in which screw purchase is poor is reasonable and for quality bone, screw fixation may be preferable.
METHODS: This biomechanical study compares circumferential wire and screw fixation methods of arthrodesis.
RESULTS: The two arthrodesis models have remarkably similar limits of elastic and plastic deformation. However, in the screw, failure by permanent deformation occurs at a load six times higher than the wire.
CONCLUSIONS: The use of circumferential wire fixation for osteoporotic bones in which screw purchase is poor is reasonable and for quality bone, screw fixation may be preferable.