| Clinical Outcomes of Penetrating Keratoplasty in Patients Five Years or Younger. |
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Yong Woo Kim, Hyuk Jin Choi, Mee Kum Kim, Won Ryang Wee, Young Suk Yu, Joo Youn Oh |
1Department of Ophthalmology, Seoul National University College of Medicine, Seoul, Korea. jooyounoh77@gmail.com
2Seoul National University Hospital Healthcare System Gangnam Center, Seoul, Korea. |
| 전층각막이식술을 받은 5세 이하 환아들의 수술 성적 |
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김용우1⋅최혁진1,2⋅김미금1⋅위원량1⋅유영석1⋅오주연1 |
Department of Ophthalmology, Seoul National University College of Medicine1, Seoul, Korea
Seoul National University Hospital Healthcare System Gangnam Center2, Seoul, Korea |
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| Abstract |
PURPOSE
To investigate the clinical outcomes of primary pediatric keratoplasty. METHODS: Records of patients who underwent penetrating keratoplasty at the age of 5 years or younger were retrospectively reviewed. The survival rates of corneal grafts, postoperative complications, and causes of graft failure were evaluated. RESULTS: A total of 31 penetrating keratoplasties were performed in 29 patients, two of which were bilateral. The mean follow-up period was 78.72 +/- 8.94 months. The overall graft survival rate was 51.61%. The graft survival rate was 77.4% at 6 months, 61.3% at 12 months, 57.5% at 2 years, and 49.5% at 5 years after the surgery (the median survival time, 39.2 months). The main surgical indications included sclerocornea (35.5%), followed by Peter's anomaly (25.8%) and congenital glaucoma (9.7%). There were significant differences in graft survival time among the surgical indications, of which sclerocornea was the worst (p = 0.003). The main cause of graft failure was rejection (46.7%), followed by infection (26.7%) and primary endothelial decompensation (20%). When patients were sub-grouped according to age (under 12 months, between 12 to 48 months, and over 48 months), there was significant difference in graft survival time (p = 0.037) but not in overall graft survival rate (p = 0.154). Graft rejection occurred more frequently in patients between 12 to 48 months of age compared to other age groups (p = 0.016). Three out of 13 graft infections occurred in patients under 12 months of age. CONCLUSIONS: The type of disease causing corneal opacity was a significant factor affecting the clinical outcomes of penetrating keratoplasty in children. |
| Key Words:
Graft survival time;Penetrating keratoplasty |
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