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Primary immunodeficiency in the neonate: Early diagnosis and management

Kelly Walkovich1, James A Connelly2

  • 1Department of Pediatrics and Communicable Diseases, University of Michigan Medical Center, Ann Arbor, MI, USA.

Seminars in Fetal & Neonatal Medicine
|January 19, 2016
PubMed

Insights

Diagnosing primary immunodeficiencies (PIDs) in newborns is difficult due to immune system immaturity and the wide variety of PIDs. This review covers common neonatal PIDs, diagnosis, and care.

Area of Science:

  • Immunology
  • Neonatal Medicine
  • Genetics

Background:

  • Primary immunodeficiencies (PIDs) often present in newborns, posing diagnostic and management challenges.
  • Neonatal immune system immaturity can mask PIDs or complicate test interpretation.
  • The expanding spectrum of PIDs, including those linked to autoinflammation and autoimmunity, adds complexity.

Purpose of the Study:

  • To review common PIDs presenting in neonates.
  • To highlight challenges in diagnosing and managing neonatal PIDs.
  • To provide guidelines for diagnosis and supportive care of neonatal PIDs.

Main Methods:

  • Literature review of primary immunodeficiencies in the neonatal period.
  • Analysis of diagnostic challenges posed by immature neonatal immune systems.
  • Synthesis of current guidelines for PID diagnosis and supportive care.

Main Results:

  • Neonatal immune system immaturity complicates PID diagnosis.
  • A broad range of PIDs, including innate and adaptive immune defects, can affect neonates.
  • Recent discoveries broaden the scope of neonatal PIDs to include autoinflammatory and autoimmune conditions.

Conclusions:

  • Optimal diagnosis and management of neonatal PIDs require awareness of immune system immaturity and PID diversity.
  • Early identification and appropriate supportive care are crucial for improving outcomes in neonates with PIDs.
  • Staying current with new PID discoveries and their implications is essential for practitioners.

Keywords:
Neonatal immune systemPrimary immunodeficiencySevere combined immunodeficiencySupportive careT-cell receptor excision circle

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