Document Type : Original Article
Authors
1
D.V.M. graduate, Faculty of Veterinary Medicine, Urmia University, Urmia, Iran.
2
Department of Clinical Pathology and Internal Medicine, Faculty of Veterinary Medicine, Urmia University, Urmia, Iran.
3
Surgery and Diagnostic Imaging Department, Faculty of Veterinary Medicine, Urmia University, Urmia, Iran.
4
Department of surgery and diagnostic imaging, Faculty veterinary medicine, urmia university, urmia, Iran
10.30466/vrf.2025.2068702.4874
Abstract
Corneal ulcers, particularly from alkaline chemical injuries, are a leading ocular complication in animals, accounting for about 20% of emergency referrals. These burns damage the conjunctiva and cornea, causing deep ulcers, potential perforation, delayed healing, infections, and blindness. Prompt treatment is crucial to accelerate healing and minimize complications like permanent opacity. This study compared the efficacy of blood serums (autologous, homologous, heterologous) against standard treatment (N-acetylcysteine and ciprofloxacin eye drops) and a control group (Normal saline) in treating induced corneal ulcers in two groups consisting of 10 healthy mixed-bred female dogs. Ulcers were created using 3M sodium hydroxide-soaked filter paper on both eyes. Evaluations at 1, 7, 14, and 21 days assessed quantitative parameters (corneal/stromal thickness, ulcer size) and qualitative symptoms (photophobia, blepharospasm, discharge, congestion, edema, neovascularization, opacity) via ultrasonography and clinical exams, respectively. Results showed significant time- and treatment-dependent improvements. Heterologous serum notably reduced thickness and ulcer size from day 7 compared to others. By days 14-21, all treatments (serums and drugs) lowered stromal thickness versus control. Qualitative parameters improved significantly with all treatments from day 7. These findings support the use of blood-derived serums, especially heterologous serum, to accelerate healing and improve clinical outcomes in canine corneal ulcers.
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