The effect of collagen shields on epithelial wound healing in rabbits.

Abstract:

:We evaluated the effect of a collagen shield on epithelial healing in keratectomy wounds in rabbit eyes. Superficial keratectomies 6 mm in diameter were created in 12 eyes of six rabbits. Six eyes received collagen shields every eight hours; six eyes received no treatment (control group). Epithelial healing was significantly faster (P less than .01) in corneas treated with collagen shields (47.8 +/- 1.1 microns/hr) compared to untreated control corneas (40.8 +/- 1.6 microns/hr). Regression analysis gave a projected time for closure of treated corneas of 73.96 hours, compared to 83.41 hours for untreated corneas. Scanning electron microscopy of collagen shields after eight hours of wear showed a large number of polymorphonuclear leukocytes entrapped in the collagen matrix. Light microscopy of healed corneas showed that the appearance of the regenerated epithelium in treated and untreated corneas was similar. These results demonstrate that collagen shields speed reepithelialization of keratectomy wounds in the rabbit cornea.

journal_name

Am J Ophthalmol

authors

Frantz JM,Dupuy BM,Kaufman HE,Beuerman RW

doi

10.1016/0002-9394(89)90428-5

subject

Has Abstract

pub_date

1989-11-15 00:00:00

pages

524-8

issue

5

eissn

0002-9394

issn

1879-1891

pii

0002-9394(89)90428-5

journal_volume

108

pub_type

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