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1.
The Medical Journal of Malaysia ; : 698-704, 2020.
Article in English | WPRIM | ID: wpr-829927

ABSTRACT

@#ss of wound healing after administration ofmitomycin-C, which inhibits granulation tissue formationand collagen synthesis, resulting in chronic wounds. Thevitreous gel of cow eyeballs contains a high level ofhyaluronic acid, which has a role in inflammation,granulation, re-epithelialization, and remodelling. This studyaims to understand the effect of 1% povidone iodine andvitreous gel of cow eyeballs on wound healing afteradministration of mitomycin-C.Methods: This was an invivostudy with quasi-experimentalmethods on 32 Wistar mice. Full-thickness wounds weremade and then treated with mitomicyn-C. The mice weredivided into 4 groups: a control group with NaCl 0.9%vitreous gel of cow eyeball (VGCE), 1% povidone-iodine, anda combination of VGCE and 1% povidone-iodine groups.Macroscopic and microscopic observations of the processof wound healing were performed on days 3, 7, and 14.Results: Vitreous gel administration produced significantwound healing rates within the first three days, andhistological analysis revealed an increased number offibroblasts and polymorphonuclear cells. However, thepovidone iodine group and the combination group withvitreous gel did not produce significant results.Conclusion: The single administration of VGCE canaccelerate the wound healing process, increase the numberof fibroblasts, and reduce inflammation in a chronic woundmodel.

2.
Korean Journal of Ophthalmology ; : 128-134, 1987.
Article in English | WPRIM | ID: wpr-64145

ABSTRACT

The author experienced 96 cases of eyeball perforation from January 1980 to May 1982. Of those evaluated 24 cases of severe penetrating injuries involving vitreous gel were treated with pars plana vitrectomy. The conclusions were as follows: 1. Visual improvement was achieved in 45.B%, of the 24 patients with ocular penetrating injury treated by pars plana vitrectomy. 2. The prognosis was poorer in cases with scleral or corneoscleral injury than corneal penetrating injury. 3. The final visual prognosis was poorer in the 8 cases with large scleral laceration (more than 8mm) than in the other 16 cases. The visual acuity was limited to hand motion or less in 12 cases. 4. Those patients who were operated on between 2 weeks and 6 weeks after the injury had a better prognosis than others.


Subject(s)
Humans , Eye Injuries/surgery , Prognosis , Vitrectomy , Wounds, Penetrating/surgery
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