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Changing indications for penetrating keratoplasty
P Haamann1, O M Jensen, P Schmidt
1Department of Ophthalmology, Naestved Centralsygehus, Denmark.
Acta Ophthalmologica
|August 1, 1994
Summary
Penetrating keratoplasty indications shifted, with pseudophakic bullous keratopathy becoming the primary reason. This change correlates with increased cataract surgeries and specific intraocular lens types.
Area of Science:
- Ophthalmology
- Corneal Surgery
Background:
- Indications for penetrating keratoplasty have evolved over time.
- Pseudophakic bullous keratopathy (PBK) has emerged as a significant concern.
Purpose of the Study:
- To analyze trends in indications for penetrating keratoplasty.
- To investigate the correlation between PBK and cataract surgery practices.
Main Methods:
- Retrospective analysis of 180 penetrating keratoplasty cases.
- Data collected from January 1984 to December 1993.
- Review of patient records for indications and surgical history.
Main Results:
- PBK was the most common indication (28.3%) in the later years of the study.
- Keratitis and Fuchs' dystrophy were also significant indications.
- Pre-1989, keratitis and aphakic bullous keratopathy were more frequent.
Conclusions:
- The rise in PBK as an indication for penetrating keratoplasty is linked to increased cataract extraction with intraocular lens implantation.
- Specific intraocular lens designs, particularly early anterior chamber lenses, contributed to corneal edema and subsequent need for keratoplasty.