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Arch. Soc. Esp. Oftalmol ; 94(10): 500-: 500-503, 503, oct. 2019.
Article in Spanish | IBECS | ID: ibc-187395

ABSTRACT

En los casos graves de parálisis del abducens o sexto par craneal resultan útiles las transposiciones de rectos superiores y rectos inferiores hacia el recto lateral paralítico. Se han descrito numerosas técnicas a lo largo del tiempo para la realización de estas transposiciones, como son las de Hummelsheim, O’Connor, Jensen, Foster o Nishida. Las 4 primeras llevan aparejado un aumento del riesgo de isquemia del segmento anterior. Presentamos el caso de una parálisis de sexto par craneal bilateral de larga data de evolución, secundaria a un traumatismo craneoencefálico grave. Para minimizar el riesgo de isquemia del segmento anterior se optó por la realización de la técnica de Nishida, asociada a inyección de toxina botulínica en ambos rectos medios para tratar de resolver la contractura muscular asociada a la larga evolución del caso, obteniendo buenos resultados a los 6 y 12 meses del procedimiento quirúrgico


In severe cases of abducens or sixth cranial nerve palsy, transpositions of the superior rectus and inferior rectus into the paralytic lateral rectus have been demonstrated to be useful. Numerous techniques have been described over time to carry out these transpositions, such as the Hummelsheim, O’Connor, Jensen, Foster, or Nishida technique. The first 4 techniques mentioned above have an increased risk of anterior segment ischaemia. The case is presented of a long-standing bilateral sixth cranial nerve palsy secondary to a severe cranial injury. Given the risk of ischaemia of the anterior segment, the Nishida technique was chosen in order to reduce the risk of suffering from this complication. This is combined with botulinum toxin in both middle rectus to try to resolve the muscle contracture associated with the long evolution of the case, obtaining good results at 6, and 12 months after the surgical procedure


Subject(s)
Humans , Male , Adult , Abducens Nerve Diseases/therapy , Botulinum Toxins/therapeutic use , Ophthalmologic Surgical Procedures/methods , Abducens Nerve Diseases/pathology , Combined Modality Therapy , Time Factors
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