May 2005
Volume 46, Issue 13
Free
ARVO Annual Meeting Abstract  |   May 2005
Incidence of Glaucoma After Repeat Penetrating Keratoplasty
Author Affiliations & Notes
  • R.R. Rathod
    Department of Ophthalmology and Visual Sciences, Vanderbilt Eye Institute, Nashville, TN
  • A. Khanifar
    Department of Ophthalmology and Visual Sciences, Vanderbilt Eye Institute, Nashville, TN
  • J.A. Kammer
    Department of Ophthalmology and Visual Sciences, Vanderbilt Eye Institute, Nashville, TN
  • Footnotes
    Commercial Relationships  R.R. Rathod, None; A. Khanifar, None; J.A. Kammer, None.
  • Footnotes
    Support  Research to Prevent Blindness
Investigative Ophthalmology & Visual Science May 2005, Vol.46, 130. doi:
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      R.R. Rathod, A. Khanifar, J.A. Kammer; Incidence of Glaucoma After Repeat Penetrating Keratoplasty . Invest. Ophthalmol. Vis. Sci. 2005;46(13):130.

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

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Abstract

Abstract: : Purpose: To determine the incidence of glaucoma in patients who have had repeat penetrating keratoplasty (PK), and compare it to the incidence after initial PK. Methods: A retrospective chart review was conducted of 152 eyes that underwent PK from 1974 to 2002. Pre–operative and post–operative intraocular pressures (IOP), and medical and/or surgical interventions for increased IOP were recorded. Eyes that developed glaucoma after transplant were identified based on the following criteria: 1) IOP greater than 21 over two consecutive monthly follow–up visits, 2) initiation of medical treatment for elevated IOP, or 3) surgical intervention to reduce IOP. Incidence of glaucoma was determined for each eye after first PK and after each additional PK on the same eye. Results: The incidence of glaucoma after first PK (114 eyes) in all patients was 43.0%. The incidence of glaucoma in eyes that underwent a 2nd transplant procedure (24 eyes) was 66.7%. The increase in incidence was statistically significant (p<0.05). In patients undergoing 3rd, 4th, and 5th procedures (14 eyes), 92.9% developed glaucoma, an increase in incidence that was statistically significant (p<0.05). The incidence of glaucoma for all repeat procedures (38 eyes) was 76.3%. Conclusions: There was a higher incidence of glaucoma after repeat PK compared to initial PK. There was also a further increase in the risk of developing glaucoma after undergoing 3rd, 4th, or 5th procedures as compared to 2nd procedures. Analysis on more eyes will be carried out to better characterize the incidence of glaucoma after repeat PK.

Keywords: transplantation • clinical (human) or epidemiologic studies: prevalence/incidence • intraocular pressure 
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