Evaluation of Home Phototherapy for Neonatal Hyperbilirubinemia.

To characterize home phototherapy treatment for neonatal hyperbilirubinemia and assess the risk factors associated with the need for hospital admission during or after home phototherapy. This was a retrospective study of newborn infants born at ≥35 weeks of gestation who underwent comprehensive home phototherapy (that included daily in-home lactation support and blood draws) over an 18-month period. We excluded infants who lacked a recorded birth date or time, started treatment at age >14 days, or had a conjugated serum bilirubin level of ≥2 mg/dL (≥34.2 μmol/L). The primary study outcome was any hospital admission during or within 24 hours after completion of home phototherapy. Logistic regression was used to identify risk factors for hospitalization. Of the cohort of 1385 infants, 1324 met the inclusion criteria. At the time home phototherapy was initiated, 376 infants (28%) were at or above the American Academy of Pediatrics phototherapy threshold. Twenty-five infants required hospitalization (1.9%; 95% CI, 1.3%-2.8%). Hospital admission was associated with a younger age at phototherapy initiation (OR, 0.63 for each day older in age; 95% CI, 0.44-0.91) and a higher total serum bilirubin level relative to the treatment threshold at phototherapy initiation (OR, 1.71 for each 1 mg/dL above the treatment threshold; 95% CI, 1.40-2.08). Comprehensive home phototherapy successfully treated hyperbilirubinemia in the vast majority of the infants in this cohort.

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