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Rev. Soc. Andal. Traumatol. Ortop. (Ed. impr.) ; 37(2): 69-74, abr.-jun. 2020. ilus
Article in Spanish | IBECS | ID: ibc-198468

ABSTRACT

El desplazamiento epifisario medial o lateral -ad latum- es un problema no deseado que altera el eje mecánico de la extremidad en las correcciones progresivas de deformidades angulares mediante osteotomías con aparatos de fijación externa monolateral. Los autores explican este fenómeno en modelos anatómicos y proponen una sencilla recomendación técnica para evitar dicho fenómeno. TÉCNICA: Tras la correcta colocación de los tornillos del fijador externo, el cabezal epifisario no se aprieta completamente para que permita el deslizamiento de los tornillos que se insertan en la epífisis en la mordaza del aparato. CONCLUSIONES: Esta sencilla recomendación evita el efecto ad latum no deseado cuando se realiza una osteomía y corrección gradual con fijación externa monolateral


Medial or lateral epiphyseal displacement -ad latum- is an undesired problem that alters the mechanical axis of the limb in progressive corrections of angular deformities by osteotomies with monolateral external fixation devices.The authors explain this phenomenon in anatomical models and propose a simple technical recommendation to avoid it. TECHNIQUE: After a proper placement of the screws, the epiphyseal head of the external fixator is not fully tightened in order to allow the sliding of the screws that are inserted into the epiphysis in the clamp of the device. CONCLUSION: This simple recommendation avoids the undesired ad latum effect when performing an osteomy and gradual correction with monolateral external fixation and survival status. Combined with current hip fracture management guidelines, exchange perioperative management and postoperative rehabilitation experience


Subject(s)
Humans , Osteotomy/adverse effects , Osteotomy/methods , External Fixators/adverse effects , Epiphyses/surgery , Equipment Failure , Models, Anatomic , Bone Screws
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