Factors associated with postmenstrual age at full oral feeding in very preterm infants

Need for Gastrostomy Tube in Periviable Infants

OBJECTIVE

 We sought to identify clinical and demographic factors associated with gastrostomy tube (g-tube) placement in periviable infants.

STUDY DESIGN

 We conducted a single-center retrospective cohort study of live-born infants between 22 and 25 weeks' gestation. Infants not actively resuscitated and those with congenital anomalies were excluded from analysis.

RESULTS

 Of the 243 infants included, 158 survived until discharge. Of those that survived to discharge, 35 required g-tube prior to discharge. Maternal race/ethnicity (p = 0.006), intraventricular hemorrhage (p = 0.013), periventricular leukomalacia (p = 0.003), bronchopulmonary dysplasia (BPD; p ≤ 0.001), and singleton gestation (p = 0.009) were associated with need for gastrostomy. In a multivariable logistic regression, maternal Black race (Odds Ratio [OR] 2.88; 95% confidence interval [CI] 1.11-7.47; p = 0.029), singleton gestation (OR 3.99; 95% CI 1.28-12.4; p = 0.017) and BPD (zero g-tube placement in the no BPD arm; p ≤ 0.001) were associated with need for g-tube.

CONCLUSION

 A high percentage of periviable infants surviving until discharge require g-tube at our institution. In this single-center retrospective study, we noted that maternal Black race, singleton gestation, and BPD were associated with increased risk for g-tube placement in infants born between 22 and 25 weeks' gestation. The finding of increased risk with maternal Black race is consistent with previous reports of racial/ethnic disparities in preterm morbidities. Additional studies examining factors associated with successful achievement of oral feedings in preterm infants are necessary and will inform future efforts to advance equity in newborn health.

KEY POINTS

· BPD, singleton birth, and Black race are associated with need for g-tube in periviable infants.. · Severe intraventricular hemorrhage is associated with increased mortality or g-tube placement in periviable infants.. · Further investigation into the relationship between maternal race and g-tube placement is warranted..

Infant massage as a stress management technique for parents of hospitalized extremely preterm infants

Mothers of infants born extremely preterm requiring prolonged medical intervention in the Neonatal Intensive Care Unit (NICU) are at high risk of developing stress. Parent-administered infant massage is a well-established, safe intervention for preterm infants with many developmental benefits, but the published literature has mostly examined its impact on infants and parents through self-reported or observational measures of stress. The aim of this study was to measure salivary cortisol, a biomarker for stress, in extremely preterm infants and their mothers immediately pre and post parent-administered infant massage in order to detect potential changes in physiologic stress. Twenty-two mother-infant dyads completed massage education with a physical or occupational therapist. All dyads provided salivary cortisol samples via buccal swab immediately pre- and post-massage at the second session. Of mothers determined to be "cortisol responders" (15/22), salivary cortisol levels were lower after massage (pre-minus post-level: -26.47 ng/dL, [CI = -4.40, -48.53], p = .016, paired t-test). Our primary findings include a clinically significant decrease (as measured by percent change) in maternal cortisol levels immediately post parent-administered massage, indicating decreased physiological stress. Integration of infant massage into NICU clinical practice may support maternal mental health, but further powered studies are necessary to confirm findings.

Rates and Determinants of Home Nasogastric Tube Feeding in Infants Born Very Preterm

OBJECTIVE

To examine rates and determinants of home nasogastric (NG)-tube feeding at hospital discharge in a cohort of very preterm infants within the Canadian Neonatal Network (CNN).

STUDY DESIGN

This was a population-based cohort study of infants born <33 weeks of gestation and admitted to neonatal intensive care units (NICUs) participating in the CNN between January 1, 2010, and December 31, 2018. We excluded infants who had major congenital anomalies, required gastrostomy-tube, or were discharged to non-CNN facilities. Multivariable logistic regression analysis was used to identify independent determinants of home NG-tube feeding at hospital discharge.

RESULTS

Among the 13 232 infants born very preterm during the study period, 333 (2.5%) were discharged home to receive NG-tube feeding. Rates of home NG-tube feeding varied across Canadian NICUs, from 0% to 12%. Determinants of home NG-tube feeding were gestational age (aOR 0.94 per each gestational week increase, 95% CI 0.88-0.99); duration of mechanical ventilation (aOR 1.02 per each day increase, 95% CI 1.01-1.02); high illness severity at birth (aOR 1.32, 95% CI 1.01-1.74); small for gestational age (aOR 2.06, 95% CI 1.52-2.78); male sex (aOR 0.61, 95% CI 0.49-0.77); severe brain injury (aOR 1.60, 95% CI 1.10-2.32); and bronchopulmonary dysplasia (aOR 2.22, 95% CI 1.67-2.94).

CONCLUSIONS

Rates of home NG-tube feeding varied widely between Canadian NICUs. Higher gestational age and male sex reduced the odds of discharge home to receive NG-tube feeding; and in contrast small for gestational age, severe brain injury, prolonged duration on mechanical ventilation and bronchopulmonary dysplasia increased the odds.

Nutrition and growth in infants with established bronchopulmonary dysplasia

Bronchopulmonary dysplasia (BPD) remains the most common late morbidity of preterm birth. Ongoing clinical care and research have largely focused on the pathogenesis and prevention of BPD in preterm infants. However, preterm infants who develop BPD have significant medical needs that persist throughout their neonatal intensive care unit course and continue post-discharge, including those associated with growth and nutrition. The objective of this manuscript was to provide a review on nutrition and growth in infants with established BPD after discharge from the hospital and to identify the knowledge and research gaps to provide direction for future studies.