Modified ulcer debridement in the treatment of the superficial fungal infection of the cornea
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Li-Xin Xie. Shandong Eye Institute, 5 Yanerdao Road, Qingdao 266071, Shandong Province, China.


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Supported by the Natural Science Foundation of Shandong Province (No.ZR2014HQ059).

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    AIM: To evaluate the efficacy of modified corneal ulcer debridement in superficial fungal keratitis unresponsive to medications. METHODS: A total of 209 patients (209 eyes) with fungal keratitis, involving no more than 50% of the stromal depth and not responding to antifungal agents for 2wk, were recruited in this retrospective, noncomparative study. The patients were treated with modified corneal ulcer debridement. All visible corneal infiltrates were removed under an operating microscope to obtain a clean stromal bed and smooth incised edges. Antifungal drugs were used immediately after surgery. Healing time of the ulcers was recorded. Fungal recurrence, visual acuity, corneal thickness and risk factors for treatment failure were monitored. RESULTS: The follow-up was 13.6±5.8mo. The corneal ulcers healed in 195 of 209 eyes (93.3%), with a mean healing time of 8.4±6.8d. The other 14 eyes were further treated by penetrating keratoplasty (PK) (1 eye), anterior lamellar keratoplasty (LK) (7 eyes), conjunctival flap covering (4 eyes) or amniotic membrane transplantation (2 eyes). The best corrected visual acuity (BCVA) was ≥20/70 in 80.3% of the eyes, ≥20/40 in 56.9% of the eyes, and ≥20/25 in 27.3% of the eyes. The corneas at the lesions became thinner, but all in the safe range. No fungal recurrence or corneal ectasis developed during the follow-up. The risk of treatment failure was higher in patients with preoperative hypopyon (P=0.036) and ever using steroid (P=0.025). CONCLUSION: Modified surgical debridement is a simple and effective method for the treatment of superficial fungal infection of the cornea, with improved visual acuity and no recurrence. Such an intervention in time can rapidly control fungal infection and largely shorten corneal ulcer healing time.

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Jun-Yi Wang, Dian-Qiang Wang, Xiao-Lin Qi, et al. Modified ulcer debridement in the treatment of the superficial fungal infection of the cornea. Int J Ophthalmol, 2018,11(2):223-229

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  • Received:July 30,2017
  • Revised:December 08,2017
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  • Online: February 06,2018
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