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Extracapsular hip fractures: fixation with a twin hook or a lag screw?

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Abstract  

The twin hook, which has 2 oppositely directed apical hooks, is an alternative to the lag screw for use with a ’dynamic plate’ in the fixation of trochanteric hip fractures. In this prospective study lasting 1 year, 102 consecutive patients with trochanteric hip fractures were treated by 19 surgeons with either a twin hook or a lag screw combined with a conventional sliding hip screw plate or a Medoff sliding plate. Seven intraoperative errors were made with the twin hook but postoperative migration did not differ significantly between the 2 groups. Postoperative fixation failures were equally distributed between the 2 groups. The twin hook provides adequate fixation, which is comparable to that produced by a lag screw.

Résumé

Le ”Twin-hook” avec deux crochets est une alternative à la vis plaque dynamisèe dans le traitement des fractures intertrochantériennes. Dans cette étude prospective, 102 cas de fractures intertrochantériennes ont été stabilisés avec le double crochet ou avec la vis plaque dynamisée. Les malades ont été suivis pendant un an. Dans 7 cas on a constaté une mauvaise position du double crochet. La migration postopératoire n’a pas été différente entre les groupes. Dans 8 cas de fracture multifragmentaire réparti égalent entre les 2 groupes la fixation post-opératoire n’a pu être maintenue. La stabilitè de fixation obtenue par le double crochet est comparable avec cette de la vis plaque dynamisée.

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Accepted: 21 March 2000

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Olsson, O., Ceder, L., Lunsjö, K. et al. Extracapsular hip fractures: fixation with a twin hook or a lag screw?. International Orthopaedics SICOT 24, 249–255 (2000). https://doi.org/10.1007/s002640000156

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  • DOI: https://doi.org/10.1007/s002640000156

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