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Polycythemia in the newborn
Debra C Armentrout1, Valerie Huseby
1Univeristy of Texas--Houston Medical School, 77030, USA. Debra.C.Armentrout@uth.tmc.edu
Insights
Neonatal polycythemia, characterized by high red blood cell levels, affects 1-5% of newborns. This review clarifies its causes, symptoms, and nursing management, including treatment options like partial exchange transfusion.
Area of Science:
- Neonatology
- Pediatric Hematology
Background:
- Neonatal polycythemia, defined as a venous hematocrit exceeding 65%, impacts 1-5% of newborns.
- It stems from either excessive red blood cell production (active) or increased fetal blood volume (passive).
Observation:
- Elevated blood viscosity in polycythemia impairs organ blood flow.
- Limited nursing literature exists on neonatal polycythemia management.
- Clinical signs involve various organ systems.
Findings:
- This article details polycythemia's categories, etiologies, and pathophysiology.
- It covers clinical manifestations, supportive/specific therapies, and prognosis.
- A case study of partial exchange transfusion for a symptomatic infant is included.
Implications:
- Enhances nursing understanding of neonatal polycythemia.
- Provides a comprehensive overview for healthcare providers managing this condition.
- Highlights the challenges in treatment decisions for polycythemic infants.
Abstract:
Neonatal polycythemia, a venous hematocrit >65%, occurs in 1% to 5% of the total newborn population. Polycythemia can result from an excess production of red blood cells (active form) or from an increase in fetal blood volume (passive form). Clinical manifestations of polycythemia are caused by an increase in whole blood viscosity with a subsequent decrease in blood flow to organ systems. However, little information exists in the nursing literature concerning neonatal polycythemia. This article addresses the two categories of polycythemia and their etiologies; the involved pathophysiology; clinical manifestations of affected organ systems; supportive and specific therapies that can be used to treat polycythemic infants; the prognosis for polycythemic infants; and the difficulty healthcare providers face in deciding whether to treat this disorder. In addition, a case of a symptomatic infant who was treated with a partial exchange transfusion is presented.
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