The role of the posterior malleolus in the treatment of unstable upper ankle joint injuries - A biomechanical study.
Foot Ankle Surg
; 28(7): 979-985, 2022 Oct.
Article
en En
| MEDLINE
| ID: mdl-35177329
ABSTRACT
BACKGROUND:
This biomechanical study aimed to test if the fixation of the posterior malleolus (PM) only with screws inserted from posterior to anterior (PA) restores stability comparable with the natural condition. The extent of stability was also compared with that of anterior to posterior (AP) screw osteosynthesis (OS) with an additional syndesmotic screw (SS).METHODS:
First, the stability of the upper ankle joint in seven pairs of intact lower legs were examined. Subsequently, half of the lower legs were treated with PA screw fixation of a PM fracture without SS and the other half with AP screw fixation with additional tricortical SS.RESULTS:
PA OS without SS showed significantly more diastasis (p = 0.027). The AP OS with an SS revealed a diastasis that was comparable with the intact condition (p = 0.797). The use of SS led to significantly higher stability compared to OS without SS (p = 0.019).CONCLUSIONS:
The Fixation of the PM alone without an additional syndesmotic screw cannot achieve intact upper ankle stability. Fixation of a PM fracture with an SS helps in nearly achieving the natural condition.Palabras clave
Texto completo:
1
Colección:
01-internacional
Base de datos:
MEDLINE
Asunto principal:
Traumatismos del Tobillo
/
Fracturas de Tobillo
/
Inestabilidad de la Articulación
Tipo de estudio:
Etiology_studies
Límite:
Humans
Idioma:
En
Revista:
Foot Ankle Surg
Asunto de la revista:
ORTOPEDIA
Año:
2022
Tipo del documento:
Article
Pais de publicación:
FR
/
FRANCE
/
FRANCIA
/
FRANÇA