Gene/Protein Disease Symptom Drug Enzyme Compound
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Query: UMLS:C0022568 (keratitis)
 5,133 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

A 9-year-old boy was admitted to the Pediatric Department with high fever, severe photophobia, and a rash on his face, eyelids, and neck. Two days before admission he received injections of penicillin. During the night his general condition worsened, and his fever rose to 40 degrees C. He began to hallucinate, and clear fluid-filled blisters appeared on his skin and mouth. Severe photophobic epiphora, conjunctival injection, and punctate keratitis were also observed. Several hours after local administration of corticosteroids and antibiotic eye drops, his eyelids swelled severely, the corneas became covered by pseudomembranes, and later, in attempting to open the eyelids, the skin peeled off and the eye lashes fell out. Treatment consisted of artificial tear eye drops, and intravenous antibiotics and steroids. His condition improved gradually, visual acuity became 6/15 in both eyes, and a superficial punctate staining of the cornea was observed. The Schirimer test showed lacrimal hyposecretion. A tarsal conjunctival biopsy showed a complete absence of goblet cells. Vitamin A was administered topically and systemically. After three months of treatment with Vitamin A, tear secretion was almost normal, and conjunctival biopsy indicated a regeneration of goblet cells.
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PMID:Vitamin A in Stevens-Johnson Syndrome. 276 32

Systemic vitamin A palmitate at three dosage levels was evaluated for its effect on experimental herpes simplex virus (HSV) keratitis in corticosteroid-treated rabbits. High-dose vitamin A palmitate reduced the severity of herpetic keratitis, but the low or moderate doses did not, and none of the vitamin A treatments affected virus recovery. Vitamin A treatment, however, produced substantial weight loss in uninfected rabbits and in corticosteroid-treated, HSV-infected rabbits. Steroid treatment alone significantly increased the antibody response to HSV, but this effect was not enhanced by vitamin A. The slight beneficial effect on HSV keratitis could be attributed to the known effect of vitamin A on promoting epithelial healing rather than an enhancement of immunity. For this purpose, local application of vitamin A may be just as effective and much less toxic than administration for systemic effect.
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PMID:Vitamin A in experimental herpetic keratitis. 625 45

Vitamin A-deficient rabbits were used to evaluate the role of secondary bacterial infection in the development of keratomalacia and to describe the resultant clinical and morphologic alterations. The conjunctival sacs of vitamin A-deficient rabbits at different stages of corneal involvement were inoculated with Pseudomonas aeruginosa topically. Approximately two weeks after inoculation, corneal ulceration with stromal melting developed in one of three eyes with severe punctate keratitis and in four of seven eyes with xerosis. Ulceration did not develop in any of the eight eyes with early epithelial graying or mild punctate keratitis. Inflammatory cells (primarily polymorphonuclear leukocytes) infiltrated the anterior corneal stroma of infected corneas. Liquefaction of collagen was observed in association with bacteria alone, as well as in association with polymorphonuclear leukocytes. No signs of infection were observed after conjunctival inoculation of Pseudomonas in the eyes of nine control rabbits.
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PMID:Increased susceptibility to infection in experimental xerophthalmia. 679 31