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Clin Exp Ophthalmol. 2012 Mar;40(2):141-7. doi: 10.1111/j.1442-9071.2011.02681.x. Epub 2011 Nov 4.

Trends in the distribution of donor corneal tissue and indications for corneal transplantation: the New Zealand National Eye Bank Study 2000-2009.

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1
New Zealand National Eye Bank, and Department of Ophthalmology, New Zealand National Eye Centre, Faculty of Medical and Health Sciences, University of Auckland, Auckland, New Zealand.

Abstract

BACKGROUND:

To investigate the indications for corneal transplantation and the distribution of donor corneal tissue in New Zealand.

DESIGN:

Analysis of the prospective database of the New Zealand National Eye Bank.

PARTICIPANTS:

A total of 2205 corneal transplants were assessed.

METHODS:

New Zealand National Eye Bank records were analysed for the decade 2000-2009.

MAIN OUTCOME MEASURES:

Variables analysed included donor corneal tissue distribution (including public and private sectors), indications for transplantation, donor corneal tissue recipient demographics (age and gender) and corneal transplantation type.

RESULTS:

An average of 220 corneal transplants were performed each year over the 10-year period (n=2205). The median recipient age was 45years (range 3 to 102years) and 54.0% of recipients were male. In total 71.8% of transplants were performed in the public health sector. Surgeons in the Auckland metropolitan area performed 47.2% of all corneal transplants. The most common indications for corneal transplantation were: keratoconus (41.1%), repeat transplant (17.0%), aphakic/pseudophakic bullous keratopathy (13.9%), corneal dystrophy (10.7%), keratitis (7.9%) and trauma (3.7%). Overall, penetrating keratoplasty accounted for 90.7% of all corneal transplants, however, during the latter half of the study there was a progressive shift in transplantation type, with deep anterior lamellar keratoplasty and Descemet's stripping endothelial keratoplasty combined accounting for 32.3% of all transplants in the final year of the study period.

CONCLUSIONS:

This New Zealand National Eye Bank study provides valuable data regarding the indications for corneal transplantation, transplant recipient demographics and changes in transplantation type in New Zealand over the past decade.

[Indexed for MEDLINE]

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