Viral infections acquired during neonatal intensive care and lung function of preterm infants at follow-up

B Yuksel1, A Greenough

  • 1Department of Child Health, King's College Hospital, London, UK.

Insights

Neonatal viral infections in premature infants with chronic lung disease significantly worsen respiratory function. These infections lead to higher airway resistance and lower lung function, impacting long-term respiratory health.

Area of Science:

  • Pediatric Pulmonology
  • Neonatal Medicine
  • Infectious Diseases

Background:

  • Chronic lung disease (CLD) is a common complication in premature infants.
  • Neonatal intensive care units (NICUs) are environments where viral infections can spread.
  • The impact of specific viral infections on long-term respiratory outcomes in premature infants with CLD is not fully understood.

Purpose of the Study:

  • To investigate the association between neonatal viral infections and respiratory function in premature infants with CLD.
  • To compare lung function between premature infants with CLD who acquired a viral infection in the NICU and those who did not.

Main Methods:

  • A case-control study design was employed.
  • Respiratory function was assessed at a median postnatal age of seven months.
  • The study group comprised seven premature infants with CLD and a proven viral infection acquired in the NICU.
  • Control group consisted of seven gestational age- and gender-matched premature infants with CLD but without a documented viral infection.

Main Results:

  • The study group exhibited significantly higher airway resistance (p < 0.04) compared to controls.
  • Specific airway conductance was significantly lower (p < 0.05) in the study group.
  • Six infants in the study group were symptomatic at follow-up, compared to two in the control group.

Conclusions:

  • Viral infections acquired during the neonatal period are associated with impaired respiratory function in premature infants with CLD.
  • Neonatal viral infections may have a lasting negative impact on lung function in this vulnerable population.
  • Early identification and prevention of viral infections in NICU settings are crucial for improving long-term respiratory outcomes.

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