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  • Title: Effect of maternal herpes simplex virus (HSV) serostatus and HSV type on risk of neonatal herpes.
    Author: Brown EL, Gardella C, Malm G, Prober CG, Forsgren M, Krantz EM, Arvin AM, Yasukawa LL, Mohan K, Brown Z, Corey L, Wald A.
    Journal: Acta Obstet Gynecol Scand; 2007; 86(5):523-9. PubMed ID: 17464578.
    Abstract:
    BACKGROUND: Neonatal herpes simplex virus (HSV) is a rare but devastating disease. We have conducted pooled analyses of data from 3 cohorts to evaluate the effects of maternal HSV serostatus and HSV type on risk of neonatal HSV acquisition and severity. METHODS: Data from cohorts in Seattle, WA, and Stanford, CA, USA, and Stockholm, Sweden were pooled using Mantel-Haenszel methods. RESULTS: Seventy-eight infants with documented neonatal HSV and known maternal HSV serostatus were included. The risk of neonatal HSV-2 infection was similar in infants born to HSV seronegative women compared with HSV-1 seropositive women (pooled OR: 1.6; 95% CI: 0.6-4.0). The odds of neonatal HSV infection was increased in the presence of exposure to maternal HSV-1 versus HSV-2 (adjusted pooled OR: 19.2; 95% CI: 5.8-63.6). An elevated odds of disseminated HSV in infants born to women with newly acquired genital herpes was observed in Stockholm (OR=13.5; 95% CI: 1.4-630), but not in Seattle or Stanford. CONCLUSION: Our results suggest that maternal HSV-1 antibody offers little, if any, protection against neonatal HSV-2 infection. During reactivation, HSV-1 appears more readily transmissible to the neonate than HSV-2, a concerning finding given the rising frequency of genital HSV-1 infection.
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