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)

Viral infections may involve all ocular tissues and may have short and long-term sight-threatening consequences. Among them, ocular infections caused by herpesviruses are the most frequent. HSV-1 keratitis and kerato-uveitis affect approximately are the leading cause of infectious blindness in the Western world, mainly because of corneal opacification caused by recurrences. For this reason, they may warrant long-term antiviral prophylaxis. Herpes zoster ophthalmicus, accounts for 10 to 20% of all shingles locations and can be associated with severe ocular involvement (keratitis, kerato-uveitis) of which a quarter becomes chronic/recurrent. Post herpetic neuralgias in the trigeminal territory can be particularly debilitating. Necrotizing retinitis caused by herpesviruses (HSV, VZV, CMV) are seldom, but must be considered as absolute visual emergencies, requiring urgent intravenous and intravitreal antiviral treatment. Clinical pictures depend on the immune status of the host. Adenovirus are the most frequent cause of infectious conjunctivitis. These most often benign infections are highly contagious and may be complicated by visually disabling corneal lesions that may last over months or years. Some arboviruses may be associated with inflammatory ocular manifestations. Among them, congenital Zika infections may cause macular or optic atrophy. Conjunctivitis is frequent during the acute phase of Ebola virus disease. Up to 15% of survivors present with severe chronic inflammatory ocular conditions caused by viral persistence in uveal tissues. Finally, COVID-19-associated conjunctivitis can precede systemic disease, or even be the unique manifestation of the disease. Utmost caution must be taken because of viral shedding in tears.
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PMID:[Ocular manifestations of viral diseases]. 3316 54

The uncommon association between the syndrome of inappropriate antidiuretic hormone secretion (SIADH) and localized Herpes-Zoster infection has been reported in only 16 cases in the literature. We present a case of a patient with Herpes-Zoster Ophthalmicus associated with Bell's Palsy who developed new-onset hyponatremia with criteria for SIADH. The patient was euvolemic and his laboratory results showed a concentration of serum sodium of 127 mmol/L, a serum osmolality of 266,9 mOsm/kg, a urinary osmolality of 259 mOsm/kg and a urine sodium concentration of 67,99 mmol/L. After excluding other possible causes, we concluded the diagnosis of SIADH secondary to the viral infection. He was treated with intravenous acyclovir for seven days, systemic corticoids and topical eye treatments. The vesicular lesions resolved with treatment and the serum sodium concentration progressively returned to normal levels, with a value of 136 mmol/L at discharge. Some complications further developed included herpetic keratitis and a corneal ulcer of the right eye. SIADH secondary to localized Herpes-Zoster is a rare entity, but it is important to be recognized by clinicians. This clinical case reinforces the hypothesis of the existence of a relationship between these two diseases, being the only case described associated with Bell's Palsy.
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PMID:SIADH in the context of localized Herpes-Zoster infection. 3329 33


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