Objective: Herpes simplex virus (HSV) infection may develop either by reactivation of latent HSV in its endogenous foci or exogenous transmission from the transplanted donor cornea after penetrating keratoplasty (PK). In the current study, we aimed to determine the clinic and treatment outcomes of patients without previous history of HSV infection who had newly acquired herpetic epithelial keratitis (HK) after PK. Material and Methods: The medical records of patients who underwent PK for reasons outside of corneal scars due to the HK between January 1995 and February 2016 were retrospectively screened. Results: The incidence of newly developed HK was 1.09% (17/1559). The mean interval between PK and HK was 30.41±39.31 months (range 1-139 months). Dry eye was present in 82.3%, corneal neovascularization in 41.2% and systemic diseases in 23.5% cases with newly acquired HK after PK. At the time of the diagnosis of HK; 82.3% of cases were using topical steroids, 23.5% of cases oral steroids and 11.8% of cases topical cyclosporine-A. In 17.6% cases HK developed after the secondary surgeries following PK. Conclusion: The diagnosis of HK immediately came to mind and treatment was started at once especially in persistent and atypical epithelial defect on corneal grafts. Herpetic epithelial keratitis should be remembered that it can be develop any time after PK.
Keywords: DNA polymerase, simplexvirus; keratitis, herpetic; corneal ulcer; keratoplasty, penetrating
Amaç: Herpes simpleks virüsü (HSV) enfeksiyonu ya latent HSV'nin endojen odaklarında yeniden aktivasyonu veya penetran keratoplastiden (PK) sonra nakledilen donör korneadan eksojen iletim yoluyla gelişmektedir. Penetran keratoplasti sonrası yeni herpetik epitelyal keratit (HK) tanısı almış olan ve daha önce herpes simpleks virüs enfeksiyonu öyküsü olmayan hastaların klinik ve tedavi sonuçlarını belirlemek amaçlandı. Gereç ve Yöntemler: Herpetik keratit dışı kornea skar nedeniyle Ocak 1995 ile Şubat 2016 arasında PK yapılan hastaların tıbbi kayıtları retrospektif olarak tarandı. Bulgular: Yeni gelişen HK insidansı %1.09 (17/1559) idi. Penetran keratoplasti ile HK gelişim arasındaki süre ortalama 30,41±39,31 ay idi (1-139 ay). Herpetik keratit gelişen olguların %82,3'ünde kuru göz, %41,2'sinde kornea neovaskülarizasyonu ve %23,5'inde sistemik hastalıklar mevcuttu. Herpetik keratit teşhisi sırasında; olguların %82,3'ü topikal steroid, %23,5'i oral steroid ve %11,8'i topikal siklosporin-A kullanıyordu. Olguların %17,6'sında HK, PK'yı takip eden ikincil ameliyatlardan sonra gelişmiştir. Sonuç: Penetran keratoplasti sonrası herpetik epitelyal tanısı, özellikle kornea greftlerinde kalıcı ve atipik epitel defektlerinde hemen akla gelmeli ve tedavi başlanmalıdır. Herpetik epitelyal keratit PK'dan sonra herhangi bir zamanda gelişebileceği unutulmamalıdır.
Anahtar Kelimeler: DNA polimeraz, simpleks virüsleri; keratit, herpetik; korneal ülser; keratoplasti, penetran
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