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Use of In vivo Imaging to Monitor the Progression of Experimental Mouse Cytomegalovirus Infection in Neonates
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Published on: July 6, 2013

Acquisition of cytomegalovirus infection by premature neonates

C R de Cates1, J Gray, N R Roberton

  • 1Neonatal Unit, Rosie Maternity Hospital, Cambridge, U.K.

The Journal of Infection
|January 1, 1994
PubMed

Insights

Premature infants are at risk for cytomegalovirus (CMV) infection. Transfusing with CMV antibody-negative blood significantly reduces infection risk in these vulnerable newborns.

Area of Science:

  • Neonatal Medicine
  • Infectious Diseases
  • Pediatric Hematology

Background:

  • Cytomegalovirus (CMV) poses a significant risk to premature infants, particularly those born at 32 weeks gestation or less.
  • Understanding transmission routes and risk factors for acquired CMV infection in neonates is crucial for prevention strategies.

Purpose of the Study:

  • To evaluate the risk of premature infants acquiring cytomegalovirus (CMV) infection.
  • To determine the impact of blood transfusions on CMV acquisition in this high-risk population.

Main Methods:

  • Prospective study of infants ≤ 32 weeks gestation admitted to a neonatal unit.
  • Infants assessed at birth for congenital CMV infection and followed to 1 month post-term.
  • CMV infection acquisition analyzed based on maternal CMV antibody status and infant blood transfusion history.

Main Results:

  • 12.2% (16/131) of infants acquired CMV infection.
  • CMV acquisition was significantly higher in transfused infants: 9.23% (6/65) for those born to CMV-negative mothers and 26.47% (9/34) for those born to CMV-positive mothers.
  • The relative risk of CMV acquisition associated with blood transfusion was 3.7.

Conclusions:

  • Blood transfusions are a significant risk factor for acquired CMV infection in premature infants.
  • All premature infants requiring blood transfusions should receive CMV antibody-negative blood, irrespective of maternal CMV immune status.
  • Implementing CMV-screened blood transfusions can reduce infection rates in vulnerable neonatal populations.

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