Respiratory Morbidities and Outcome in Late Preterm in Neonatal ICU

Respiratory Morbidities

Aim of the work: To assess the respiratory morbidities & outcomes in late preterm infants in the neonatal ICU of Assiut university children's Hospital.

In the world, Preterm birth rates continue to rise. Many reasons account for this increase, such as demographic changes, infertility treatments, increases in maternal age, more multiple gestations, increasing obesity rates, and maternal comorbid conditions. To evaluate the occurrence and impact of a condition, a precise definition and its related outcomes are necessary. Thus, a general classification for selected gestational age categories has been reported. Preterm birth refers to all deliveries \< 37-0/7 weeks; this classification includes very preterm (\< 32-0/7 weeks), moderately preterm (32-0/7 to 33-6/7 weeks), and late preterm births (34-0/7 to 36-6/7 weeks). Term births refer to deliveries that occur from 37-0/7 to 42-0/7 weeks, and post-term births refer to any delivery occurring after 42-0/7 weeks. Neonates born between 34 and 36 weeks of gestation (late preterm or near-term births) comprise 71% of all preterm births in the United States. Late preterm neonates have significantly higher rates of morbidity and mortality relative to those born at term (37-42 weeks). In addition to higher risks for serious health complications, the mortality rate for late preterm infants is 3-fold higher than that for term infants (7.7 vs 2.5 per 1000 live births). Late preterm delivery (71% of all preterm births) increases the incidence of respiratory pathology as respiratory distress syndrome (RDS), Transient tachypnea of the newborn (TTN), pneumonia with chest x-ray verification, persistent apnea and bradycardia, pulmonary hypertension, pneumothorax, meconium aspiration, pulmonary hypoplasia,( respiratory failure ) and the need of ventilator support when compared to term delivery. Late preterm newborns increase other risks for feeding difficulty, jaundice, hypoglycemia, temperature instability, apnea, and respiratory distress.

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