Early death, morbidity and pharmacotherapy in extremely premature and very premature in neonatal intensive care units

Abstract

Objectives:

to evaluate the evolution of extremely preterm and very preterm infants admitted to neonatal intensive care units, regarding the use of ventilatory support, morbidities, medication use, death, survival and viability.

Methods:

a non-concurrent cohort study, with 163 very premature and extreme newborns hospitalized in three neonatal intensive care units, during 2016 and 2017. A descriptive analysis of the data obtained from the medical records was performed. The outcomes studied were the use of ventilatory support, morbidities, medication use, death and causes of death. A survival curve was constructed and a viability limit was defined.

Results:

in the study, 28.2% were extreme and 71.8% were very premature. In this order of subgroups, the need for mechanical ventilation was higher for the extremes (65.2% and 41.0%) and the main diagnosis was early sepsis (78.6% and 82.6). Off-label (60.5% and 47.9%) and off-license (25.3% and 29.0%) medications were used. Most deaths (57.8%) occurred between the extremes, mainly due to septic shock. Survival was lower for the lowest gestational ages and the limit of viability was between 26 and 27 weeks.

Conclusions:

the main morbidities were from the respiratory system, with high use of off-label and unlicensed medications. Extremes had a greater demand for intensive care in addition to needing more drugs and progressing more to death.

Key words:
Pharmacoepidemiology; Extremely premature infant; Critical care; Intensive care units; neonatal