Journal of the Korean Ophthalmological Society 1999;40(5):1396-1400.
Published online May 1, 1999.
Infected Hydorx yapatite Implant by Pseudomonas Aeroginosa.
Tae Soo Lee, Sae Heun Baek
Department of Ophthalmology, College of Medicine, Korea University, Guro Hospital.
Pseudomonas Aeroginosa에 의해 감염된 Hydrox yapatite Implant
이태수(Tae Soo Lee),백세현(Sae Heun Baek)
Abstract
The hydroxyapatite orbital implant has been known to be a biocompatible and nontoxic implant with good fibrovascular ingrowth, few postoperative complications, and excellent prosthesis motility. The complications after implantation of hydroxyapatite were included peg extrusion, implant exposure, conjunctival dehiscene, granulation tissue overgrowth, and infection of implant. Infected hydroxyapatite implants are, to date, rare. When they occur, implant removal has been the only successful treatment modality. Infection of hydroxyapatite implant occurred in 37months after surgery on conjuctival culture. Pseudomonas aeruginosa was identified as a causative microorganism. To our knowledge, this is the first report of complications with the latest infected hydroxyapatite after implantation of hydroxyapatite. The case also unique because causative microorganism is Pseudomonas aeroginosa instead of Staphylococcus aureus. Persistent conjunctival inflammation postoperatively despite using systemic and topical antimicrobial drops, persist orbital discomfort, discharge, conjunctival dehiscence and the development of a pyogenic grauloma after hydroxyapatite implant should be suspected possibility of hydroxyapatite implant infection.
Key Words: Conjunctival dehiscence;Infected hydroxyapatite implant;Pseudomonas aeroginosa;Pyogenic granuloma


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