Hyperviscosity

Alternative names:

hyperviscosity of the newborn; neonatal polycythemia

Treatment:

Elevated hematocrits, above 65% may be treated by increasing fluids or administering reduction transfusions, both of which can prevent the complications of hyperviscosity.

Expectations (prognosis):

The outcome is good in infants with mild hyperviscosity and in those with severe hyperviscosity that receive treatment.

Complications:

• seizures
• renal failure
• necrotizing enterocolitis
• decreased IQ
• learning disabilities
• decreased fine motor control
• strokes

Calling your health care provider:

Call your health care provider if this condition is diagnosed at birth and you have additional questions.