Source:

Hu WD, et al. J Glaucoma. 2015;doi:10.1097/IJG.0000000000000362.

January 05, 2016
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Second glaucoma drainage implant yields adequate IOP control

Source:

Hu WD, et al. J Glaucoma. 2015;doi:10.1097/IJG.0000000000000362.

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Adequate IOP control was achieved in a majority of eyes that underwent a second glaucoma drainage implant surgery, according to a study.

The retrospective study included 65 eyes of 63 patients who received a secondary drainage device at Wills Eye Hospital between 2006 and 2013.

Most patients received an Ahmed FP7 (New World Medical) or Baerveldt 250 (Abbott Medical Optics) drainage implant. The average interval between primary and secondary implantation was 32.7 months. Mean follow-up was 22.4 months after the second implant.

Mean IOP decreased from 25.8 mm Hg at baseline to 17.4 mm Hg at 3 years after implantation of the second device (P = .004). Mean number of medications decreased from 3.6 to 2.5 (P = .01).

Mean logMAR visual acuity did not change significantly from before surgery to 3 years after surgery.

Median time to implant failure was 24.7 months. The type of secondary implant and the plate location did not have a significant effect on failure rates.

The probability of complete success was 78% at 3 months, 59% at 1 year, 54% at 2 years and 25% at 3 years after surgery. – by Matt Hasson

Disclosure: Hu reports no relevant financial disclosures. See the study for a full list of all other authors’ relevant financial disclosures.