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Zorluk: Çok zorAnte/Intra/Postpartum and Newborn Care

A neonate born at 32 weeks gestation had a birth weight of 1800 g1800\text{ g}. On day 3 of life, the neonate's current weight is 1650 g1650\text{ g}. The healthcare provider prescribes a total daily fluid intake of 120 mL/kg/day120\text{ mL/kg/day} based on the neonate's current weight. The neonate is receiving the following therapies:

- Enteral formula feedings of 13 mL13\text{ mL} every 3 hours via orogastric tube.
- Intravenous (IV) ampicillin every 12 hours. Each antibiotic dose is diluted in 5 mL5\text{ mL} of normal saline.

The remaining fluid requirement will be administered as a continuous IV infusion of 10% dextrose in water (D10W). The antibiotic volume is included in the total daily fluid intake. What is the required infusion rate for the continuous D10W, in mL/hr\text{mL/hr}, to ensure the neonate receives exactly the prescribed total daily fluid intake? Record your answer using one decimal place.

Cevap: 3.5 mL/hr

Cevap

The correct infusion rate is 3.5 mL/hr.
The correct rate of 3.5 mL/hr accurately accounts for the total daily fluid requirement based on the neonate's current weight, minus the fluids provided by enteral feedings and intermittent IV antibiotics.

Adım Adım Çözüm

1
Convert the current weight to kilograms.
1650 g = 1.65 kg.
The fluid prescription is weight-based in kg, and the current weight must be used as prescribed.
2
Calculate the total daily fluid requirement.
1.65 kg × 120 mL/kg/day = 198 mL/day.
Determines the absolute total volume the neonate must receive in 24 hours.
3
Calculate the total daily enteral intake.
24 hours / 3 hours = 8 feeds/day. 8 feeds × 13 mL = 104 mL/day.
Accounts for all fluid provided via the gastrointestinal tract.
4
Calculate the total daily IV antibiotic volume.
24 hours / 12 hours = 2 doses/day. 2 doses × 5 mL = 10 mL/day.
Accounts for intermittent IV fluid administration that contributes to the total intake.
5
Calculate the remaining fluid needed.
198 mL - 104 mL - 10 mL = 84 mL/day.
Determines the balance of fluid that must be supplied exclusively by the continuous D10W infusion.
6
Calculate the hourly continuous infusion rate.
84 mL / 24 hours = 3.5 mL/hr.
IV pumps are programmed in mL/hr.

Anahtar Kavram

Neonatal fluid management requires synthesizing multiple intake sources (enteral feedings, intermittent IV medications) and calculating continuous IV rates based on the current daily weight to prevent dangerous fluid overload or dehydration.
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Ante/Intra/Postpartum and Newborn Care

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