
ResumenIntroducciónCuando la desviación vertical disociada (DVD) se asocia a hiperfunción de músculos de acción vertical, es importante establecer qué parte de la desviación vertical corresponde a la DVD y cuál a la hiperfunción misma, en especial en la indicación del tratamiento quirúrgico (selección de músculos a intervenir y técnica quirúrgica a utilizar). La posición primaria de la mirada (PPM) puede ser diferente en la hiperfunción de los oblicuos inferiores cuando se asocia a DVD y puede ser un dato clínico que permita identificarla.ObjetivoDemostrar cuál es la PPM en pacientes con hiperfunción de oblicuos inferiores con o sin DVD.MetodologíaEstudio observacional, transversal y comparativo. Se incluyó a pacientes con hiperfunción de oblicuos inferiores con o sin DVD del servicio de oftalmopediatría; se les realizó exploración oftalmológica y estrabológica completa. Para el análisis estadístico se utilizó la prueba exacta de Fisher.ResultadosFueron un total de 46 pacientes. Veinticuatro pacientes (52.17%) tuvieron DVD. La PPM encontrada en pacientes con hiperfunción de oblicuos inferiores con DVD fue la doble hipertropía en 14 (58.33%), hiperhipotropía en 8 (33.33%) y 2 con ortoposición (8.33%). En pacientes con hiperfunción de oblicuos inferiores sin DVD, la PPM encontrada fue hiperhipotropía en 19 (86.36%) y 3 con ortoposición (13.64%). Hallazgos estadísticamente significativos (p<0.05).ConclusionesEn pacientes con hiperfunción de oblicuos inferiores y DVD prevalece la doble hipertropía en la PPM y en pacientes con hiperfunción de oblicuos inferiores sin DVD la hiperhipotropía, con una diferencia estadísticamente significativa.AbstractIntroductionWhen dissociated vertical deviation (DVD) is associated with vertical action muscles overaction, it is very important to define which part of the vertical deviation is due to the DVD and which one due to the overaction by itself, especially in the indication of surgical treatment (selection muscles and surgical technique to be used). The primary position (PP) may be different in inferior oblique muscle overaction when it's associated to DVD and it can be a clinical data which allows us to identify it.ObjectiveDemonstrate what is the PP in patients with inferior oblique muscle overaction with or without DVD.MethodsObservational, transversal and comparative study, it was included patients with inferior oblique muscle overaction with or without DVD of the strabismus service; a complete ophthalmological examination was performed. For statistical analysis Fisher's exact test was used.ResultsThere were in total 46 patients. 24 patients (52.17%) had DVD. The PP found in patients with overactive inferior oblique and DVD: double hypertropia in 14 (58.33%), hyper-hypotropia 8 (33.33%), and 2 patients in orto-position (8.33%). In patients with overactive inferior oblique without DVD, the PP was hyper-hypotropia found in 19 (86.36%) and 3 patients orto-position (13.64%). Findings statistically significant (p<0.05).ConclusionsIn patients with inferior oblique muscle overaction with DVD prevails double hypertropia in the PPM and in patients with inferior oblique muscle overaction without DVD prevails hyper-hypotropia, with a statistically significant difference.
Primary position, Dissociated vertical deviation, Ophthalmology, Desviación vertical disociada, RE1-994, Posición primaria de la mirada, Hiperfunción oblicuos inferiores, Inferior oblique muscle overaction
Primary position, Dissociated vertical deviation, Ophthalmology, Desviación vertical disociada, RE1-994, Posición primaria de la mirada, Hiperfunción oblicuos inferiores, Inferior oblique muscle overaction
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