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Type:	Artigo de Periódico
Title:	Medial malleolar fractures: an anatomic survey determining the ideal screw length
Authors:	Robinson Esteves Santos Pires P. J. Labronici M. V. Franco R. Freitas G. C. Araújo R. S. Pires e Albuquerque V. S. Gameiro K. Jeray
Abstract:	Background: Medial malleolar fractures are frequent, and their treatment is familiar to the orthopedic surgeon. Lag screw fixation using partially threaded screws remains the standard treatment method for medial malleolar fractures. However, the literature lacks a defined method for selecting lag screw length, relying more so on the empiric choice of the surgeon. Aim: The aim of this study is to help define the ideal lag screw length for medial melleolar fracture fixation. Materials and Methods: One hundred and sixteen anatomic specimens were included in the study. A transverse cut was performed in the distal third of the tibia, roughly 1 and a half times the distal tibial plafond width from the ankle joint. A coronal cut was then performed using the center of the medial malleolus. Three observers measured the distance between the medial malleolus tip and beginning of the medullary canal in all anatomic specimens. Differences in measurements were statistically compared, level of (P ≤ 0.05). Interclass correlation coefficient (ICC) significance level was set at P < 0.05.Results: Measurement average was 55 mm between the medial malleolus tip and the medullary canal, with a standard deviation of 10 mm. High concordance (ICC: 0.819) was achieved among all pairs of observers (P < 0.01). The systematic difference among measurements was absent, and random distribution around general measurements was observed. Conclusion: The authors recommend a screw length of no more than 45 mm to optimize the location of the screw threads in the best cancellous bone in an effort to obtain the most compression.
Subject:	Tornozelo Fraturas do Tornozelo
language:	eng
metadata.dc.publisher.country:	Brasil
Publisher:	Universidade Federal de Minas Gerais
Publisher Initials:	UFMG
metadata.dc.publisher.department:	MED - DEPARTAMENTO DE APARELHO LOCOMOTOR
Rights:	Acesso Aberto
metadata.dc.identifier.doi:	10.4103/amhsr.amhsr_41_16
URI:	http://hdl.handle.net/1843/56929
Issue Date:	2017
metadata.dc.url.externa:	https://www.amhsr.org/articles/medial-malleolar-fractures-an-anatomic-survey-determining-the-ideal-screw-length.pdf
metadata.dc.relation.ispartof:	Annals of Medical and Health Sciences Research
Appears in Collections:	Artigo de Periódico

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