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S.G. Sagett, D.R. Caldwell, R.S. Ayyala; Incidence of Glaucoma After Microkeratome Assisted Posterior Penetrating Keratoplasty (MAPPK) . Invest. Ophthalmol. Vis. Sci. 2005;46(13):131.
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© ARVO (1962-2015); The Authors (2016-present)
Purpose: To compare the incidence of glaucoma following penetrating keratoplasty (PKP) vs microkeratome assisted posterior penetrating keratoplasty (MAPPK). Methods: Retrospective chart review of all patients who underwent PKP or MAPPK performed by the same surgeon (DRC) over a 12 month period. Results: There were 15 patients in the PKP group vs 16 in the MAPPK group. The average pre–op IOP in the PKP group was 13 mm Hg (4–20) vs 15 mm Hg (10–18) in the MAPPK group. The average post–op IOP at 1 month, 3 months, 6 months and 1 year were as follows: PKP group – 15.8 mm Hg (7–38), 21.67 (4–38), 15.9 (6–24) and 17 (13–20); MAPPK group – 10.4 mm Hg (8–15), 15.87 (10–28), 13 (8–20), and 13.75 (12–17). Among the patients without a previous history of glaucoma, none of the patients in the MAPPK group developed glaucoma, whereas 30% of the patients developed glaucoma in the PKP group. Conclusions: MAPPK resulted in zero incidence of glaucoma. We believe that this is related to less or no angle distortion with MAPPK compared to PKP.
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