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  • Title: [Neonatal herpes: Epidemiology, clinical manifestations and management. Guidelines for clinical practice from the French College of Gynecologists and Obstetricians (CNGOF)].
    Author: Renesme L.
    Journal: Gynecol Obstet Fertil Senol; 2017 Dec; 45(12):691-704. PubMed ID: 29132771.
    Abstract:
    OBJECTIVES: To describe the epidemiology of neonatal herpes and its risk factors, clinical and paraclinic manifestations, propose guidelines for a newborn at risk of neonatal herpes, describe treatment modalities, describe post-natal transmission and its prevention. METHODS: Bibliographic search from Medline, Cochrane Library databases and research of international clinical practice guidelines. RESULTS: Neonatal herpes is rare (about 20 cases per year in France) and mainly due to HSV 1 (level of evidence LE3). The main risk factors for mother-to-child transmission are maternal primary episode of genital herpes close to delivery and serotype HSV 1 (LE3). There are three clinical forms of neonatal herpes : SEM infection for skin, eyes and mucosa, central nervous system (CNS) associated infection, and the disseminated infection. Neurological mortality and morbidity depend on the clinical form and the HSV serotype (LE3). In most of the case of neonatal herpes, the mothers have no history of genital herpes (LE3). Fever and vesicular rash may be absent at the time of diagnosis (LE3). In case of suspicion of neonatal herpes, different samples (blood and cerebrospinal fluid) for HSV PCR must be carried out to confirm the diagnosis (Professional consensus). Any newborn suspected of neonatal herpes should be treated with intravenous aciclovir (Grade A) prior to the results of HSV PCR (Professional consensus). In case of maternal genital herpes at delivery, the management of an asymptomatic newborn depends on the evaluation of the risk of transmission. In case of maternal reactivation (low risk of transmission), HSV PCR samples are taken at 24hours of life and the newborn must be follow closely until results. In the case of maternal primary episode or non-primary infection first episode (high risk of transmission), the samples are taken at 24hours of life and intravenous treatment with aciclovir is started (Professional consensus). The treatment of neonatal herpes is based on intravenous aciclovir (60mg/kg/day divided into 3 injections) (Grade C). The duration of the treatment depends on the clinical form (14 days for the SEM infection, 21 days for the other forms) (Professional consensus). A relay with aciclovir per os (300mg/m2/day) for 6 months is recommended to improve the neurological outcome and reduce the risk of reactivation (grade B). Post-natal transmission is mainly due to HSV 1. The rules for the prevention of post-natal transmission must be known by parents and family, but also by nursing staff (Professional consensus). Breastfeeding is not contraindicated in cases of maternal herpes, except if there is herpetic lesion on the nipple (Professional consensus). Parents of newborns at risk for neonatal herpes should receive information on the clinical signs to be monitored at home after hospital discharge (Professional consensus). CONCLUSIONS: Neonatal herpes is a rare disease with a high morbidity and mortality. The management of a newborn at risk requires good coordination between the obstetric and pediatric teams and parent's information.
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