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Symptomatic neonatal plethora

S Saigal, R H Usher

    Biology of the Neonate
    |January 1, 1977
    PubMed
    Summary
    This summary is machine-generated.

    Delayed umbilical cord clamping can cause symptomatic neonatal plethora in newborns, leading to breathing difficulties and other symptoms. This condition, characterized by excess red blood cells, requires careful monitoring and sometimes treatment.

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    Area of Science:

    • Neonatology
    • Pediatric Hematology

    Background:

    • Neonatal plethora, characterized by polycythemia or hypervolemia, presents diagnostic challenges in newborns.
    • Delayed umbilical cord clamping is increasingly recognized as a significant factor in neonatal complications.

    Purpose of the Study:

    • To investigate the clinical presentation and blood volume in infants with symptomatic neonatal plethora.
    • To explore the association between delayed umbilical cord clamping and neonatal plethora.
    • To compare findings with infants undergoing controlled cord clamping.

    Main Methods:

    • Retrospective analysis of blood volume and clinical data from 11 infants (8 premature, 3 full-term) with symptomatic neonatal plethora.
    • Clinical and radiological assessments including chest X-rays.

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  • Comparison with a control group of infants with controlled cord clamping times.

    • Main Results:

    • Symptomatic neonatal plethora was linked to large placental transfusions from delayed umbilical cord clamping.
    • Common symptoms included tachypnea, cyanosis, plethoric skin, and neurological depression, persisting for approximately 30 hours.
    • Radiological findings revealed mild cardiomegaly, pulmonary congestion, edema, and pleural effusions.
    • Phlebotomy was necessary in three infants due to clinical deterioration.

    Conclusions:

    • Symptomatic neonatal plethora resulting from delayed umbilical cord clamping is a significant clinical entity.
    • Neonatal plethora should be considered in the differential diagnosis of transient tachypnea of the newborn.
    • Delayed cord clamping necessitates careful consideration of potential risks and benefits in neonatal care.