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Contamination of donor cornea: postpenetrating keratoplasty endophthalmitis. 1991

S R Antonios, and J A Cameron, and I A Badr, and N R Habash, and J B Cotter
King Khaled Eye Specialist Hospital, Riyadh, Saudi Arabia.

Nine cases (0.41%) of bacterial and fungal endophthalmitis developed out of a total of 2,210 consecutive penetrating keratoplasties performed between November 1983 and April 1989. Five of the nine cases (0.23%) had endophthalmitis related to donor tissue contamination. The donor tissue of these cases had a storage time of greater than 5 days. A retrospective analysis of 1,399 consecutive corneoscleral rim cultures showed a contamination rate of 29%. The most common organisms isolated were Propionibacterium 26%, diphtheroids 24%, Staphylococcus epidermidis 22%, and fungi 9%. There is a statistically significant increase (p less than 0.005) in the percentage of contaminated donor rims with a preservation time of more than five days. The risk of developing endophthalmitis is 12 times greater with a positive donor rim culture. Prolonged preservation of donor tissue can be a risk factor in developing endophthalmitis.

UI MeSH Term Description Entries
D007223 Infant A child between 1 and 23 months of age. Infants
D007231 Infant, Newborn An infant during the first 28 days after birth. Neonate,Newborns,Infants, Newborn,Neonates,Newborn,Newborn Infant,Newborn Infants
D009877 Endophthalmitis Suppurative inflammation of the tissues of the internal structures of the eye frequently associated with an infection. Ophthalmia,Infectious Endophthalmitis,Endophthalmitides,Endophthalmitides, Infectious,Endophthalmitis, Infectious,Infectious Endophthalmitides,Ophthalmias
D002648 Child A person 6 to 12 years of age. An individual 2 to 5 years old is CHILD, PRESCHOOL. Children
D002675 Child, Preschool A child between the ages of 2 and 5. Children, Preschool,Preschool Child,Preschool Children
D003315 Cornea The transparent anterior portion of the fibrous coat of the eye consisting of five layers: stratified squamous CORNEAL EPITHELIUM; BOWMAN MEMBRANE; CORNEAL STROMA; DESCEMET MEMBRANE; and mesenchymal CORNEAL ENDOTHELIUM. It serves as the first refracting medium of the eye. It is structurally continuous with the SCLERA, avascular, receiving its nourishment by permeation through spaces between the lamellae, and is innervated by the ophthalmic division of the TRIGEMINAL NERVE via the ciliary nerves and those of the surrounding conjunctiva which together form plexuses. (Cline et al., Dictionary of Visual Science, 4th ed) Corneas
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000293 Adolescent A person 13 to 18 years of age. Adolescence,Youth,Adolescents,Adolescents, Female,Adolescents, Male,Teenagers,Teens,Adolescent, Female,Adolescent, Male,Female Adolescent,Female Adolescents,Male Adolescent,Male Adolescents,Teen,Teenager,Youths
D000328 Adult A person having attained full growth or maturity. Adults are of 19 through 44 years of age. For a person between 19 and 24 years of age, YOUNG ADULT is available. Adults
D000368 Aged A person 65 years of age or older. For a person older than 79 years, AGED, 80 AND OVER is available. Elderly

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