American journal of perinatology
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A thermal manikin of the size of a 1 kg premature baby has been constructed. The nonevaporative heat loss from eight different regions and the total heat loss were measured. The measurements of heat loss have high repeatability and the values are in good agreement with measurements of dry heat loss for premature babies, using indirect calorimetry. ⋯ The total heat loss was found to be 20 to 30 W/m2 with both methods at ambient temperatures between 15 degrees and 25 degrees C. Treatment on a heated, water-filled mattress provides a means of direct conductive heat input to the baby, with a conductive heat transfer coefficient of 0.4 W/degrees C or 21 W/m2 degrees C. The thermal manikin appears to provide an accurate method for assessment of the thermal conditions in neonatal care.
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Case Reports
In utero conversion of supraventricular tachycardia with digoxin and procainamide at 17 weeks' gestation.
The earliest reported case of fetal supraventricular tachycardia at 17 weeks' gestation causing hydrops fetalis is presented. Maternal treatment with digoxin and procainamide successfully cardioverted the fetus with resolution of the hydrops. Using this combination, sinus rhythm was maintained until term.