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Factors associated with the need for penetrating keratoplasty in keratoconus.

AbstractPURPOSE:
This study was designed to identify factors that may help to determine the likelihood of a patient with keratoconus undergoing a penetrating keratoplasty (PK) after referral to a cornea service.
METHODS:
A retrospective chart review of 109 patients from a corneal referral practice was undertaken to identify clinical characteristics at presentation that were predictive of subsequent PK.
RESULTS:
Overall, during an average follow-up of 10.9 years, 39 (35.8%) did not have a PK for keratoconus in either eye, 34 (31.2%) had a PK in one eye, and 36 (33.0%) had a PK in both eyes. The presence of corneal scarring and steep keratometry values were significant risk factors for subsequent PK.
CONCLUSION:
In a corneal referral practice, 64.2% of patients go on to PK in one or both eyes during long-term follow-up. The presence of scarring and high keratometry values at initial presentation may help to predict the likelihood of requiring a PK and may aid in patient counseling.
AuthorsWilliam A Sray, Elisabeth J Cohen, Christopher J Rapuano, Peter R Laibson
JournalCornea (Cornea) Vol. 21 Issue 8 Pg. 784-6 (Nov 2002) ISSN: 0277-3740 [Print] United States
PMID12410037 (Publication Type: Journal Article)
Topics
  • Adolescent
  • Adult
  • Aged
  • Child
  • Cornea (surgery)
  • Female
  • Humans
  • Keratoconus (surgery)
  • Keratoplasty, Penetrating
  • Likelihood Functions
  • Male
  • Middle Aged
  • Prognosis
  • Retrospective Studies
  • Risk Factors
  • Visual Acuity

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