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Anemia of Prematurity - Portal Neonatal

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Drug Name<br />

Pediatric Dose<br />

Contraindications<br />

Interactions<br />

Dobutamine (Dobutrex) -- Second inotropic DOC, preferred by some as<br />

first choice in severe cardiogenic shock.<br />

Produces vasodilation and increases inotropic state. At higher dosages<br />

may cause increased heart rate, exacerbating myocardial ischemia.<br />

2-25 mcg/kg/min IV continuous infusion; begin at lower doses, increase<br />

as needed on basis <strong>of</strong> BP and heart rate; wean on basis <strong>of</strong> BP response<br />

Documented hypersensitivity; idiopathic hypertrophic subaortic stenosis<br />

and atrial fibrillation or flutter<br />

Beta-adrenergic blockers antagonize effects <strong>of</strong> dobutamine; general<br />

anesthetics may increase toxicity<br />

Pregnancy B - Usually safe but benefits must outweigh the risks.<br />

Precautions<br />

May cause arrhythmias, hypertension, tachycardia, and vasodilation <strong>of</strong><br />

cutaneous microcirculation; assess volume status before administering,<br />

since may cause hypotension, especially in infants with clear evidence <strong>of</strong><br />

hypovolemia; may cause tissue sloughing at IV site, particularly when<br />

the drug infiltrates s<strong>of</strong>t tissue<br />

FOLLOW-UP Section 8 <strong>of</strong> 10<br />

Further Inpatient Care:<br />

• Close physical therapy and developmental evaluation are needed before discharge.<br />

Further Outpatient Care:<br />

• As noted before, most infants do not need specific outpatient care. However, they should be<br />

monitored in a regular pediatric clinic. Severely disabled children may need to be monitored in<br />

multispecialty clinics and by a developmental neurologist.<br />

In/Out Patient Meds:<br />

• Continuation <strong>of</strong> seizure medications should depend on evolving CNS symptoms and EEG<br />

findings.<br />

Transfer:<br />

o In most infants who are developing normally and have a normal EEG before hospital<br />

discharge, phenobarbital is discontinued within 3-4 weeks <strong>of</strong> birth.<br />

o In those with significant CNS disability with or without persistent episodes <strong>of</strong> seizures,<br />

phenobarbital is continued for 3-6 months; the decision to wean <strong>of</strong>f the drug depends<br />

on later changes in EEG and clinical course.<br />

• Infants delivered in a level I or II center may require transfer to a tertiary neonatal intensive<br />

care unit for definitive neurodiagnostic studies (EEG and neuroimaging) and consultation with<br />

a pediatric neurologist.<br />

Deterrence/Prevention:<br />

• The era <strong>of</strong> neuroprotection may be near. Most <strong>of</strong> the treatments discussed here are<br />

experimental. With the exception <strong>of</strong> hypothermia, which is still being examined in clinical trials,<br />

none <strong>of</strong> the therapies cited below has been consistently shown to have efficacy in human<br />

infants.

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