Large-segment superior oblique tendon expanders in the management of severe congenital brown syndrome
To report the effectiveness of large-segment superior oblique tendon expanders for severe congenital Brown syndrome. Medical records of 12 consecutive patients with severe congenital Brown syndrome were evaluated retrospectively. All patients had a hypotropia > 20 prism diopters in primary positi...
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Veröffentlicht in: | Journal of AAPOS 2003-08, Vol.7 (4), p.274-278 |
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Sprache: | eng |
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Zusammenfassung: | To report the effectiveness of large-segment superior oblique tendon expanders for severe congenital Brown syndrome.
Medical records of 12 consecutive patients with severe congenital Brown syndrome were evaluated retrospectively. All patients had a hypotropia > 20 prism diopters in primary position. A superior oblique tendon lengthening procedure, using a 10- to 12-mm—long silicone band, was performed on each patient. Preoperative and postoperative extraocular motility patterns were analyzed, and the final results were graded as “excellent,” “good,” “fair,” “poor, undercorrected” and “poor, overcorrected.”
As of the last recorded follow-up examination (mean, 32 months), three patients had an excellent result, six had a good result, three had a fair result, and none had a poor result. All patients experienced an improvement in their severe Brown syndrome, with 100% showing a postoperative primary-position hypotropia < 8 prism diopters. Postoperative limitation of elevation in adduction was either −1 or −2 for all patients. No patient required further surgery, and no extrusions of the implants were noted.
The superior oblique tendon expander procedure appears to be an effective tool in the surgical treatment of severe Brown syndrome. The use of a large-segment (10- to 12-mm) band seems to be an appropriate choice when dealing with patients having primary-position hypotropia > 20 prism diopters. |
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ISSN: | 1091-8531 1528-3933 |
DOI: | 10.1016/S1091-8531(03)00113-7 |