Showing posts with label Herpes Simplex. Show all posts
Showing posts with label Herpes Simplex. Show all posts

Sunday, April 5, 2009

Herpes Simplex Infections

HSV Infections
Asymptomatic, mucocutaneous, neonatal, CNS, latent
Type 1: gingivostomatitis, whitlow, keratoconjunctivitis, encephalitis, eczema
herpeticum
Type 2: genital HSV, meningitis
Classification: primary; non primary, first episode; recurrent, reinfection Latency: sensory or autonomic neurons; LATS Reactivations: trauma, sunlight, stress (despite antibodies) Host: normal vs. immunocompromised

Neonatal HSV Infections
Congenital 5%; most HSV 2 (poorer prognosis)
Most mothers asymptomatic; antibodies may modify
Attack rate after primary maternal infection over 50% (> 10 times
than after recurrent infection) Cesarean section controversial in women with recurrent HSV at delivery Culture baby (eye, skin, throat) after 24 hours old Categories, prognosis: skin/eye/mouth, CNS, disseminated Symptoms: skin vesicles, fever, intractable seizures, pneumonia, DIC, conjunctivitis, recurrent skin vesicles after therapy
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