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Chirurgia Del Piede 2006 April;30(1):21-4


language: Italian

New predictive factors of relapse in hallux valgus’s surgery

Valeo M., Costanzo G. D., Colosi A., D’Antonio E., Clerici Bagozzi F.

Dipartimento di Scienze dell’Apparato Locomotore Ospedale Umberto I di Roma Università degli Studi di Roma “La Sapienza”, Roma


Aim. Searchfor new predective factors of relapse in hallux valgus surgery through objective and mathematical parameters. The aim is to reduce the number of relapses, the most importatant cause of faillure in this kind operations.
Methods. The study has been conducted on 53 patients aged from 40 to 60 years and operated of mono- or bilateral hallux valgus with the Chevron technique. For the valutation of the patients has been used the “AOFAS-score” and radiological valutation (projection in 2p) with a misurement of the pre- and post-operative intermetatarsal and metatarsofalangeal angles and contyrols after 1, 2, 3 months.
Results. 15% of the operated patients had a negative outcome (under 60/100 according to the AOSAF score) with variations of the intermetatarsal angles already during the first postoperative month. Using the gatered data it has been possible to create an index for the correction of the metatrsal angle calculating the preoperative angles; through the post-operative measurements we have obteined early predictive factors of relapses. The index has permitted to set a minimum predictive value to be applied to the correction of the hallux valgus.
Conclusion. The study has yelded a new means of surgical valutation for the correction of the hallux valgus throgh an objective method and index which shoulded allow to improve the use of the Chevron technique. This index will have to be tested on large numbers of patients and eventualy improved by correcting factors. Another possibility could be the creation of indexes for every surgical technique used.

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