Large-angle exotropia corrected by intraoperative botulinum toxin A and monocular recession resection surgery

Owens, Paul L.; Strominger, Mitchell B.; Rubin, Peter A. D.; Veronneau-Troutman, Susanne

doi:10.1016/s1091-8531(98)90004-0

Cited by 25 publications

(17 citation statements)

References 4 publications

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“…If large angle recession was performed, it may be associated with abduction limitation. 7 Owens et al 16 performed monocular recession and resection, augmented with intraoperative botulinum toxin for large angle exotropia in the amblyopic eyes. However, large unilateral resection and recession procedure may produce asymmetrical abduction deficits.…”

Section: Discussionmentioning

confidence: 99%

Surgical outcome of single-staged three horizontal muscles squint surgery for extra-large angle exotropia

Lau

Fan

Yip

et al. 2010

Eye

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Purpose To report the surgical outcomes of 24 patients undergoing single-staged three horizontal muscles squint surgery for extra-large angle exotropia. Patients and methods Prospective case series of 24 consecutive patients with primary exotropia 460 prism diopters (PD) at distant and underwent single-staged three horizontal muscles squint surgery from 2003 to 2006. Surgery consisted of bilateral lateral rectus recession of 9.0 mm for 50 PD exotropic correction. For every 5 PD remaining angle exceeding 50 PD, we additionally performed 1.0 mm of unilateral medial rectus resection. The mean follow-up period was 15.8 months (range 6.0-38.0 months; SD 9.5 months). Results The mean age at surgery was 31.2 years old (range 7-78 years old, SD 18.2 years old). The mean distant preoperative deviation was 71.3 PD (range 60-85 PD, SD 7.7 PD). No limitation of eye movement or diplopia was found. The success rate was higher in the intermittent group (88.2%) than the constant group (42.9%) (P ¼ 0.02) and in cases with preoperative deviation of o80 PD (84.2%) compared with those with deviation X80 PD (40.0%) (P ¼ 0.042). Conclusion Measurement of preoperative deviation and the surgery for extra-large angle exotropia made management of this condition difficult. Single-staged three horizontal muscles squint surgery can be one of the options. Further researches on management of exotropia of 480 PD are warranted.

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Section: Discussionmentioning

confidence: 99%

Surgical outcome of single-staged three horizontal muscles squint surgery for extra-large angle exotropia

Lau

Fan

Yip

et al. 2010

Eye

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“…However, in sensory exotropia, surgeons and patients often prefer to operate only on the eye with poor vision if possible. Owens et al [42] used botulinum as an adjuvant treatment in patients with large-angle sensory exotropia. Strabismus surgery was performed on the amblyopic eye, and 10 units of botulinum were applied to the recessed lateral rectus as augmentation.…”

Section: Sensory Strabismusmentioning

confidence: 99%

Use of botulinum toxin in strabismus

Crouch

2006

Current Opinion in Ophthalmology

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Botulinum administration is a strabismus treatment option that may be considered for some strabismus patients; in select cases botulinum is a reasonable and preferable alternative to surgery. Current clinical recommendations regarding botulinum should be considered in the context of the existing comparative studies that are summarized in this review. Since there are very limited data directly comparing the success rates of botulinum with standard strabismus surgery, additional, well designed prospective studies are needed. Data from such studies would enable recommendations for strabismus management to be formulated using an evidence-based approach.

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“…The strabismic indications for Botulinum toxin injection range from small to moderate angle, comitant strabismus with potential for binocularity [12,13], adjuvant procedure following incisional strabismus surgery [14], paralytic strabismus to relieve diplopia and to prevent contraction of the antagonist muscle [15][16][17][18][19], restrictive strabismus example thyroid eye disease [20,21], Congenital and acquired nystagmus and oscillopsia [22], Internuclear ophthalmoplegia [23] and convergence spasm [24]. To the best of our knowledge, this is the first prospective study in Pakistan looking at the effect of botulinum toxin injection on strabismic patients with and without binocularity potential.…”

Section: Discussionmentioning

confidence: 99%

A Prospective Study on the Use of Botulinum Injection and Horizontal Strabismus in Children

Sadiq

Chandna

Khan

2015

AOVS

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Strabismus is a condition in which the eyes are not properly aligned with each other. Different treatment options are available to treat strabismus. Surgery is considered to be the cornerstone of strabismus management when all else fails. However treatment with botulinum toxin has been seen to produce good results in the short also with one study showing better results than one surgical series and atleast similar results to the other published surgical series. As the surgical intervention is a more invasive procedure, if the same effect can be achieved by the botox injection, it provides an attractive option to patients. Our research aims to probe into this better alternative and thus looking at the long term effect of botulinum toxin on patients who have binocularity potential versus those who had no binocularity.

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Large-angle exotropia corrected by intraoperative botulinum toxin A and monocular recession resection surgery

Cited by 25 publications

References 4 publications

Surgical outcome of single-staged three horizontal muscles squint surgery for extra-large angle exotropia

Surgical outcome of single-staged three horizontal muscles squint surgery for extra-large angle exotropia

Use of botulinum toxin in strabismus

A Prospective Study on the Use of Botulinum Injection and Horizontal Strabismus in Children

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