March 2012
Volume 53, Issue 14
Free
ARVO Annual Meeting Abstract  |   March 2012
Surgical outcomes of Deep Sclerectomy versus Baerveldt aqueous shunt implantation following initial failed Deep Sclerectomy
Author Affiliations & Notes
  • Aleksandra Petrovic
    ophtalmology, Hopital Ophtalmique Jules Gonin, Lausanne, Switzerland
  • Ciara Bergin
    ophtalmology, Hopital Ophtalmique Jules Gonin, Lausanne, Switzerland
  • Andre Mermoud
    Centre de Glaucome, Visionplus SA, Lausanne, Switzerland
  • Emilie Ravinet
    ophtalmology, Clinique de Montchoisi, Lausanne, Switzerland
  • Corinne C. Schnyder
    Ophthalmology,
    Jules Gonin Eye Hospital, Lausanne, Switzerland
  • Delphine Rivier
    Glaucoma Unit, Jules-Gonin Eye Hospital, Lausanne, Switzerland
  • Farid Achache
    ophtalmology, Hopital Ophtalmique Jules Gonin, Lausanne, Switzerland
  • Eamon Sharkawi
    Glaucoma,
    Jules Gonin Eye Hospital, Lausanne, Switzerland
  • Footnotes
    Commercial Relationships  Aleksandra Petrovic, None; Ciara Bergin, None; Andre Mermoud, None; Emilie Ravinet, None; Corinne C. Schnyder, None; Delphine Rivier, None; Farid Achache, None; Eamon Sharkawi, None
  • Footnotes
    Support  None
Investigative Ophthalmology & Visual Science March 2012, Vol.53, 3748. doi:https://doi.org/
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      Aleksandra Petrovic, Ciara Bergin, Andre Mermoud, Emilie Ravinet, Corinne C. Schnyder, Delphine Rivier, Farid Achache, Eamon Sharkawi; Surgical outcomes of Deep Sclerectomy versus Baerveldt aqueous shunt implantation following initial failed Deep Sclerectomy. Invest. Ophthalmol. Vis. Sci. 2012;53(14):3748. doi: https://doi.org/.

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      © ARVO (1962-2015); The Authors (2016-present)

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Abstract

Purpose: : To examine the efficacy and safety of repeat deep sclerectomy (DS) versus Baerveldt shunt (BS) implantation as second line surgery following failed primary DS.

Methods: : Fifty one patients were prospectively recruited to undergo BS implantation following failed DS and 51 patients underwent repeat DS, for which data was collected retrospectively. All eyes had at least one failed DS. Surgical success was defined as IOP≤21mmHg and 20% reduction in IOP from baseline. Success rates, number of glaucoma medications (GMs), IOP, and complication rates were compared between the two groups at year 1, post-operatively.

Results: : Mean age, sex and the proportion of glaucoma subtypes were similar between groups. Preoperatively IOP was significantly lower in DS group vs BS group (18.8mmHg vs 23.8mmHg, p<0.01, two sample t-test). Postoperatively IOP was significantly higher in DS group than BS group (14.6mmHg vs 12.0mmHg, p<0.01, two-sample t-test). In the DS group, 47% of eyes did not achieve 20% reduction in IOP from baseline, as a result the success rates were significantly lower in eyes with DS (51%) than in eyes with BS (88%) (p=0.02, log-rank test). Preoperatively the number of GMs used in DS and BS groups were similar (2.2 vs 2.7 p=0.02, two sample t-test). Postoperatively there remained no significant difference in GMs between groups (0.9 vs 1.1, p= 0.58, two sample t-test). Complication rates were similar between the two groups (12% vs 10%).

Conclusions: : Baerveldt tube implantation was more effective in lowering IOP than repeat deep sclerectomy in eyes with failed primary DS, at year one. Complications were minor and infrequent in both groups.

Keywords: intraocular pressure • intraocular pressure 
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