Document Type : Research article
Authors
1
Cardiology Hospital, Faculty of Medicine, Assiut University, Assiut 71526, Egypt.
2
Lecturer of Pathology and Clinical Pathology, Faculty of Veterinary Medicine, Assiut University, Assiut 71526, Egypt.
3
Professor Emeritus of Surgery, Anesthesiology and Radiology, Faculty of Veterinary Medicine, Assiut University, Assiut 71526, Egypt.
4
Professor and Department Head of Surgery, Anesthesiology and Radiology, Faculty of Veterinary Medicine, Assiut University, Assiut 71526, Egypt,
Abstract
This study aimed to evaluate the healing of experimentally-induced vertical eyelid wounds after the application of one or double-row sutures for closure. Twelve adult healthy mongrel dogs were generally anesthetized then a vertical eyelid incision was inflicted. Dogs were then randomly divided into two groups (n=6 each). Wounds in group A were sutured in a single layer of simple continuous sutures using Silk #3-0. However, wounds in group B were sutured in a double layer of simple continuous sutures. The first layer using Polyglycolic acid #3-0 was applied in the conjunctiva and tarsal plate. The second layer was applied to the skin and muscle layer using 3/0 silk sutures. Wound healing was evaluated by monitoring ophthalmic signs, gross and histopathological examinations. Results revealed the presence of ophthalmic signs with varying scores that were not significant between groups. Grossly, eyelid wound healing was superior in wounds sutured in a double layer, although, mean values of gross evaluation scores were not significantly different between groups. Histopathology revealed incomplete healing of wounds with the presence of gaps in skin and conjunctival aspects of wounds closed in a single layer. In contrast, in wounds closed in a double layer, the epithelial gap was completely closed with normal epithelium at the skin aspect of the eyelid and abundant well-organized collagen fibers with minimal inflammatory infiltration were present at the wound site. In conclusion, using a double layer of simple continuous sutures is superior in healing of vertical eyelid wounds in dogs. More time for healing is necessary for eyelid wounds closed in a single layer of simple continuous sutures.
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