The Pediatric infectious disease journal · 2017
Congenital Cytomegalovirus Infection After a Multiple Birth Pregnancy.
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Shmueli Einat, Hadar Eran, Pardo Joseph, Attias Joseph, Amir Jacob, Bilavsky Efraim
Аннотация
BACKGROUND: Congenital cytomegalovirus (cCMV) infection is an important cause of hearing loss and neurodevelopment delay. While data on vertical transmission and neonatal outcome after singleton pregnancy with cCMV are well established, only scarce reports have addressed cCMV in multiple birth pregnancies. Furthermore, no studies have yet compared the outcome after birth and long-term follow-up of children with cCMV born after a singleton versus multiple pregnancies.
METHODS: Infant outcome after birth of symptomatic versus asymptomatic infection was compared for infants born with cCMV after multiple (study group) and singleton (control group) pregnancies in a 1:2 ratio.
RESULTS: Of 508 infants diagnosed with cCMV, 25 (4.9%) were born after a multiple pregnancy. Children in the study and control groups did not differ in terms of specific prenatal CMV investigations including amniocentesis and brain magnetic resonance imaging studies. However, prematurity rates were significantly higher in the study compared with control group (52% vs. 4%, P < 0.001). There was a higher rate of symptomatic cCMV infection in the study group than in the controls (48% vs. 14%, P < 0.001). Hearing impairment at birth was also more frequent in the study group (32% vs. 8%, P = 0.016). A long-term follow-up demonstrated that children in the study group had higher rates of neurologic sequelae (hearing impairment or neurodevelopmental delay) compared with children in the control group (20% vs. 4%, P = 0.016).
CONCLUSIONS: Infants with cCMV born after multiple birth pregnancies are born earlier and have a higher risk of symptomatic disease at birth and worse long-term neurologic outcome than those born after a singleton pregnancy. This important group of children warrants meticulous prenatal and postnatal care.
METHODS: Infant outcome after birth of symptomatic versus asymptomatic infection was compared for infants born with cCMV after multiple (study group) and singleton (control group) pregnancies in a 1:2 ratio.
RESULTS: Of 508 infants diagnosed with cCMV, 25 (4.9%) were born after a multiple pregnancy. Children in the study and control groups did not differ in terms of specific prenatal CMV investigations including amniocentesis and brain magnetic resonance imaging studies. However, prematurity rates were significantly higher in the study compared with control group (52% vs. 4%, P < 0.001). There was a higher rate of symptomatic cCMV infection in the study group than in the controls (48% vs. 14%, P < 0.001). Hearing impairment at birth was also more frequent in the study group (32% vs. 8%, P = 0.016). A long-term follow-up demonstrated that children in the study group had higher rates of neurologic sequelae (hearing impairment or neurodevelopmental delay) compared with children in the control group (20% vs. 4%, P = 0.016).
CONCLUSIONS: Infants with cCMV born after multiple birth pregnancies are born earlier and have a higher risk of symptomatic disease at birth and worse long-term neurologic outcome than those born after a singleton pregnancy. This important group of children warrants meticulous prenatal and postnatal care.