A 9-month-old infant with gastroesophageal reflux disease (GERD) is being discharged home. Which instruction should the nurse prioritize when teaching the parents about feeding management?

Keeping the infant upright after feeding uses gravity to reduce reflux, which is the key discharge instruction. Other options (supine feeding, increasing volume, diluting formula) are not recommended as they can worsen symptoms.

Correct Answer: 2. Keep the infant upright for 30 minutes after feeding

Explanation of the Priority Instruction

For an infant with gastroesophageal reflux disease (GERD), the cornerstone of nonpharmacologic management is positioning therapy. The instruction to keep the infant upright for 30 minutes after feeding is the priority because it directly utilizes gravity to reduce the passive regurgitation of gastric contents into the esophagus. In infants, the lower esophageal sphincter (LES) is often transiently relaxed, and gastric emptying is slower. Maintaining an upright posture counteracts the pressure gradient from the stomach to the esophagus, decreasing the volume and frequency of reflux episodes. This recommendation is supported by consensus guidelines for the management of GERD in infants, which emphasize postural therapy as a safe, effective, first-line intervention . This simple measure directly addresses the primary symptoms of frequent regurgitation and the consequent poor weight gain by reducing nutrient loss.

Analysis of Incorrect Options

Option 1: Feed the infant in a supine position to prevent aspiration.
This instruction is incorrect and potentially dangerous. Placing an infant with active GERD in a supine position during or immediately after feeding eliminates the beneficial effect of gravity. This position facilitates the passive flow of gastric contents into the esophagus and increases the risk of regurgitation and subsequent aspiration. While the supine position is unequivocally recommended for safe sleep to reduce the risk of sudden infant death syndrome (SIDS), it is not the correct position for feeding management. The clinical approach involves a clear distinction: supine for sleep, but upright and supervised for feeding and the postprandial period.

Option 3: Increase the feeding volume to compensate for regurgitation.
This instruction is counterproductive. Increasing feeding volume leads to greater gastric distention, which is a primary trigger for transient lower esophageal sphincter relaxations (TLESRs), the predominant mechanism of reflux in infants. A distended stomach increases intragastric pressure, overwhelming the barrier function of the LES and promoting more frequent and voluminous reflux episodes. This approach would likely exacerbate, not compensate for, the symptoms. Management guidelines for infant GERD often suggest smaller, more frequent feedings to avoid gastric distention, directly contradicting this option .

Option 4: Dilute the formula to make it easier to digest.
This instruction is not a standard or recommended practice for managing GERD. Diluting formula reduces its caloric density, which is particularly harmful for an infant already experiencing poor weight gain, as noted in the scenario. This practice can lead to inadequate nutrition, electrolyte imbalances, and failure to thrive. The focus of dietary management is not on making the formula "easier to digest" by dilution, but rather on using thickened feedings, which increase the viscosity of the stomach contents and have been shown to reduce visible regurgitation . The natural history of GERD in infancy is generally self-limiting, and management aims to support adequate growth and comfort while the condition resolves, making caloric adequacy a critical priority [3,4].