[Permanent consecutive exotropia in XXXX treated with botulinum toxin].

@entity1 @entity5971
BACKGROUND: @entity5971 is the most frequent type of strabismus. Botulinum toxin is a treatment option with variable results. We undertook this study to determine the frequency and associated factors with consecutive permanent @entity5971 in @entity1 diagnosed with @entity5971 treated with botulinum toxin. METHODS: A retrospective review was achieved in @entity1 with @entity5971 treated with botulinum toxin and who remained in @entity5971 after a minimal follow-up of 6 months. Pre- and postnatal background, cycloplejia, magnitude of the pre-application deviation, injected dose and number of applications were analyzed. RESULTS: A total of 84 @entity1 were included. Of all @entity1 ,12 (14.28%) remained in consecutive @entity5971 (six males and six females). Age range was from 5 months to 2 years (average: 10.75 months). Initial @entity5971 ranged from 20-50 prism diopters (PD) with an average of 37.9    9.64 PD. One @entity1 had variability in the magnitude of the deviation prior to treatment. During the maximum follow-up, the magnitude of the @entity5971 was from 10 to 40 (average, SD 18    8.01 PD). In five subjects a variability was observed in the magnitude of the angle of deviation by a range of 10-40 PD, and in seven subjects the deviation was stable with an average of 20 PD. Eleven subjects had some degree of psychomotor delay (91.66%) and one subject had a non-significant history. CONCLUSIONS: In @entity1 with consecutive permanent @entity5971 after application of botulinum toxin, the most prevalent characteristic is neurological.
