Journal of the Korean Ophthalmological Society 2004;45(11):1813-1819.
Published online November 1, 2004.
Surgical Treatments in the Late Infection of Hydroxyapatite Orbital Implants.
Hee Young Choi, Tae Jin Yoon, Young Gun Shin
1Department of Ophthalmology, Pusan National University, College of Medicine, Busan, Korea. hychoi@pusan.ac.kr
2Ulsan Shinsegae Eye Clinic, Ulsan, Korea.
하이드록시아파타이트 안와충전물 후기 감염의 수술적 치료
최희영 ( Hee Young Choi ) , 윤태진 ( Tae Jin Yoon ) , 신영건 ( Young Gun Shin )
Abstract
PURPOSE
We experienced six cases of late infection of the hydroxyapatite (HA) orbital implant treated with surgical procedures. METHODS: Exposures of the HA and pyogenic granulomas around conjunctival dehiscence helped us to confirm infections of the HA orbital implants. Infections were not controlled by medical therapies so the HA implants were exchanged by silicone implants in all cases. Finally, the silicone implants were replaced by Medpor(R) after the inflammation had been controlled. Dermis fat graft was also performed in two cases due to insufficient conjunctival sac. RESULTS: Infections of HA orbital implants occurred at 62 to 106 months postoperatively. Staphylococcus aureus and Pseudomonas aeruginosa were cultured from removed implants. All cases show successful outcomes during 12 to 42 months after Medpor(R) implantations. CONCLUSIONS: Infections of peg-inserted HA orbital implants occurred after five years due to exposure of HA orbital implants. To replace infected HA implants with Medpor(R) implants is considered a functionally and aesthetically effective therapeutic method.
Key Words: Hydroxyapatite orbital implants;Late infection;Medpor(R) implants


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