Indian journal of ophthalmology · 2022
Photo-activated chromophore for infectious keratitis cross-linking and its efficacy as a treatment modality in managing microbial keratitis.
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Saini Sanchita, Singh Satyaprakash, Dwivedi Kshama, Singh Sanskriti, Kumar Santosh, Rana Jagriti
Аннотация
PURPOSE: To assess Photo Activated Chromophore for Infective Keratitis-Cross Linking (PACK-CXL) and its efficacy as a treatment modality in managing microbial keratitis.
METHODS: Single Centre prospective interventional study in infectious keratitis. A total of eleven patients were taken who had corneal thickness (CT) more than 400μm. PACK-CXL was performed according to Dresden's protocol. The response was assessed by slit lamp examination, BCVA and AS-OCT at the time of complete healing.
RESULTS: The mean visual acuity at presentation was 1.207logMAR (0.3-3) which improved to mean value of 0.53logMAR (0.3-1). Mean time taken for complete epithelization was 17.45 days (14- 30 days) and that for complete healing was 33.72 days (21- 60 days). Mean CT at the baseline was 650.5± 108μm which reduced on consecutive follow up visits. There was reduction in the symptoms in nine patients except in two. One case reported increase in symptoms with worsening increase in endoexudates and hypopyon, and the other developed drug toxicity due to topical medications.
CONCLUSION: Patients who underwent PACK-CXL showed good and early healing, good remodelling of cornea and improved visual acuity. The recalcitrant cases became responders to the same medications after PACK-CXL. Thus, PACK-CXL works well for both fungal and bacterial keratitis.
METHODS: Single Centre prospective interventional study in infectious keratitis. A total of eleven patients were taken who had corneal thickness (CT) more than 400μm. PACK-CXL was performed according to Dresden's protocol. The response was assessed by slit lamp examination, BCVA and AS-OCT at the time of complete healing.
RESULTS: The mean visual acuity at presentation was 1.207logMAR (0.3-3) which improved to mean value of 0.53logMAR (0.3-1). Mean time taken for complete epithelization was 17.45 days (14- 30 days) and that for complete healing was 33.72 days (21- 60 days). Mean CT at the baseline was 650.5± 108μm which reduced on consecutive follow up visits. There was reduction in the symptoms in nine patients except in two. One case reported increase in symptoms with worsening increase in endoexudates and hypopyon, and the other developed drug toxicity due to topical medications.
CONCLUSION: Patients who underwent PACK-CXL showed good and early healing, good remodelling of cornea and improved visual acuity. The recalcitrant cases became responders to the same medications after PACK-CXL. Thus, PACK-CXL works well for both fungal and bacterial keratitis.