Milrinone

Primacor

Milrinone is a phosphodiesterase-3 inhibitor used as an inotrope and vasodilator to improve cardiac output in acute heart failure and cardiogenic shock in ICU settings.

Quick Facts

  • Indication: Acute heart failure, cardiogenic shock, low cardiac output post-cardiac surgery.
  • Dosage: Loading dose: 50 mcg/kg IV over 10 minutes; Maintenance: 0.375–0.75 mcg/kg/min IV infusion.
  • Side Effects: Hypotension, Arrhythmias, Thrombocytopenia, Headache, Angina

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Details

  • Drug Class: Inotrope
  • Administration: Intravenous
  • Pregnancy Category: C
  • Legal Status: Prescription only
  • Forms & Strengths: 1 mg/mL Solution for injection (10 mL, 20 mL, 50 mL vials)
  • Manufacturer: Sanofi, Hospira

Research Highlights

Kim et al. (2024) showed milrinone improved cardiac output in pediatric heart failure patients, with lower arrhythmia risk compared to dobutamine (Kim et al., 2024).

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References

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