May 2006
Volume 47, Issue 13
ARVO Annual Meeting Abstract  |   May 2006
Pneumatic Retinopexy for Refractory Diabetic Macular Oedema
Author Affiliations & Notes
  • J.A. McHugh
    Ophthalmology, Kings College Hospital, London, United Kingdom
  • M. Saeed
    Ophthalmology, Kings College Hospital, London, United Kingdom
  • Footnotes
    Commercial Relationships  J.A. McHugh, None; M. Saeed, None.
  • Footnotes
    Support  None
Investigative Ophthalmology & Visual Science May 2006, Vol.47, 978. doi:
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      J.A. McHugh, M. Saeed; Pneumatic Retinopexy for Refractory Diabetic Macular Oedema . Invest. Ophthalmol. Vis. Sci. 2006;47(13):978.

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

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Purpose: : To evaluate the efficacy of intravitreal gas injection to induce a posterior vitreous detachment (PVD) and reduce clinically significant diabetic macular oedema.

Methods: : Pars plana injection of 0.3 ml of 100% C3F8 gas was performed in 5 eyes of 5 patients with diabetic macular oedema that had failed to respond to at least 4 episodes of laser therapy. All patients had Type 2 diabetes, with a mean age of 64 (range 61–83). Evaluation was performed with visual acuity measurement, biomicroscopy, fluorescein angiography and OCT. Post–treatment review was performed at 1, 4 and 12 weeks and 4 monthly thereafter.

Results: : Over a mean review of 18 months (range 9–36), a PVD was induced in all eyes, with signs of reduction in macular thickness and resolution of exudates. Mean visual improvement was 11 ETDRS letters (range 4–21). Apart from a transient vitreous haemorrhage in one eye, there were no significant treatment–related complications.

Conclusions: : PVD–induced pneumatic retinopexy appears to have a beneficial effect on refractory diabetic macular oedema. The mechanisms may relate to relief of vitreoretinal traction and improved oxyenation in the macular region.

Keywords: diabetic retinopathy • macula/fovea 

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