Strabismus surgery outcomes in eyes with glaucoma drainage devices

Carla Osigian Probst, Kara M Cavuoto, Julia D. Rossetto, Mohamed Sayed, Sara Grace, Ta Chang, Hilda Capo

Research output: Contribution to journalArticle

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Abstract

Purpose To report strabismus surgery outcomes in eyes with prior implantation of glaucoma drainage devices (GDD). Methods The medical records of patients who underwent strabismus surgery for ocular misalignment that developed after implantation of a GDD over a 13-year period at a single institution were examined retrospectively. Patient characteristics, deviation types, preoperative measurements, surgical procedures, and postoperative measurements were analyzed. Results Of the 16 patients included, 14 had exotropia (34Δ ± 16Δ) and 11 had vertical deviations (15Δ ± 7Δ), of which 9 had concurrent exotropia and vertical deviations. Preoperatively, 9 patients had diplopia. The surgical approach was tailored to address the deviation most noticeable to the patient—horizontal, vertical, or both if the vertical component could be addressed by horizontal muscle supra- or infraplacement. Three patients underwent simultaneous horizontal and vertical surgery. All patients underwent strabismus surgery on an eye with a GDD. Surgical motor success (defined as horizontal deviation ≤10Δ, vertical ≤4Δ) was achieved in 42% of horizontal and 57% of vertical deviations. Postoperatively 74% of deviations decreased by ≥50% in magnitude. Diplopia resolved in 50% of patients who presented with preoperative diplopia. One patient had intraoperative bleb perforation, but none had postoperative hypotony at any follow-up visit. Only 2 required a second strabismus surgery. Conclusions Strabismus surgery with preservation of the filtering bleb following implantation of a glaucoma drainage device is a low risk procedure that can improve ocular alignment and related symptoms, despite a low motor success rate by standard criteria.

Original languageEnglish (US)
Pages (from-to)103-106.e2
JournalJournal of AAPOS
Volume21
Issue number2
DOIs
StatePublished - Apr 1 2017

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Strabismus
Glaucoma
Drainage
Equipment and Supplies
Diplopia
Exotropia
Blister
Postoperative Care
Medical Records
Muscles

ASJC Scopus subject areas

  • Pediatrics, Perinatology, and Child Health
  • Ophthalmology

Cite this

Strabismus surgery outcomes in eyes with glaucoma drainage devices. / Osigian Probst, Carla; Cavuoto, Kara M; Rossetto, Julia D.; Sayed, Mohamed; Grace, Sara; Chang, Ta; Capo, Hilda.

In: Journal of AAPOS, Vol. 21, No. 2, 01.04.2017, p. 103-106.e2.

Research output: Contribution to journalArticle

Osigian Probst, Carla ; Cavuoto, Kara M ; Rossetto, Julia D. ; Sayed, Mohamed ; Grace, Sara ; Chang, Ta ; Capo, Hilda. / Strabismus surgery outcomes in eyes with glaucoma drainage devices. In: Journal of AAPOS. 2017 ; Vol. 21, No. 2. pp. 103-106.e2.
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