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Of all the congenital Heart diseases, patent ductus arteriosis (PDA) is the only disease that can be treated.

The PDA treatment algorithm includes the following:

  • Fluid restriction
  • Diuretics
  • Non-steroidal anti-inflammatory drugs (NSAIDs) [See elaboration below.]
  • Surgical ligation
    • When NSAIDs fail to treat the PDA.

NSAIDs Comparison:

  • Indomethacin
    • Doses:
      • Initial dose: 0.2 mg/Kg Intravenously (IV)
      • Subsequent doses varies
        • Post natal age - increase dose with increased age
        • Infant renal function - increase dosing interval for poor renal function.
  • Ibuprofen
    • Doses:
      • Initial dose: 10 mg/Kg IV
      • Subsequent dose: 5 mg/Kg IV daily for 2 days.
  • Note: Calculate dosing for both drugs using the infant's birth weight.
  • COX-1 inhibition (COX-1 is responsible for inflammation, so higher inhibition of COX-1 is preferred.)
    • Indomethacin > Ibuprofen
  • Stability
    • Indomethacin (12 days) > Ibuprofen (30 minutes)
  • Degree of protein binding (May cause accumulation of bilirubin in the brain, otherwise known as "kernicterus," which is associated with cerebral palsy.)
    • Occurs in both NSAIDs
    • More incidents reported on ibuprofen.
  • Efficacy in treating PDA
    • Indomethacin = Ibuprofen

Indomethacin is generally the preferred medication for PDA treatment.

  • Adverse Effects from Both NSAIDs
    • Oliguria, renal failure
    • Gastrointestinal bleeding
    • Bowel perforation
    • Necrotizing enterocolitis
    • Intraventricular hemorrhage
    • Thrombocytopenia
  • Contraindication to use NSAIDs (Do not use NSAIDs, if the following occurs.)
    • Necrotizing enterocolitis
    • Intraventricular hemorrhage
    • Active bleeding
    • Thrombocytopenia
    • Impaired renal functions
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15y ago

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