Abstract
ABSTRACT: This article evaluated the vital parameters, blood gas measurements, cortisol values and radiological findings of goat kids born at term and prematurely during the first 48 hours of life. For this purpose, 24 kids from 24 goats were used and assigned to groups as follows: Group I, eight kids born through cesarean sections performed at 149 days of gestation; Group II, eight kids born through cesarean sections performed at 143 days of gestation; Group III, eight kids born through cesarean sections performed at 143 days of gestation, whose mothers received 20 mg of dexamethasone. Group I had lower heart rate values than the other groups at 60 minutes after birth. In terms of temperature, there was no difference between the groups. The pH values were reduced shortly after birth, rising at 24 and 48 hours in all animals studied. In terms of the cortisol levels, the values increased significantly at birth (M0), with the highest values obtained in animals in group II. These values decreased at 48 hours after birth in the evaluated goats. The animals belonging to group I showed better radiographic aspects, and throughout the 48 hours of evaluation, all newborns exhibited adequate respiratory adaptation. It can be concluded that antenatal dexamethasone administered at 143 days of gestation did not influence neonatal viability, metabolic or radiographic parameters. The metabolic changes found are consistent with the extrauterine adaptation period that animals in this stage of life.
Highlights
After birth, a critical period called the “transition period” begins, when the neonate has to adapt from intrauterine to extrauterine life
This study evaluated the influence of antenatal dexamethasone on perinatal viability and metabolic and radiographic parameters in premature kids
No significant difference was observed between the time points of all evaluated groups, the mean heart rate (HR) was above the normal range for the species, at 95120 bpm (FEITOSA, 2020)
Summary
A critical period called the “transition period” begins, when the neonate has to adapt from intrauterine to extrauterine life. In this phase, the body systems promote physiological adjustments considered crucial for the neonate. The body systems promote physiological adjustments considered crucial for the neonate In premature newborns, this challenge is even greater since they have difficulty inflating their lungs due to insufficient synthesis of surfactant, which is usually. Corticosteroids are known to accelerate fetal lung maturation and surfactant production (ROONEY et al, 1976). For this reason, antenatal glucocorticoid therapy is routinely performed to reduce the incidence of respiratory distress syndrome in premature kids (BALLARD et al, 1997). This study evaluated the influence of antenatal dexamethasone on perinatal viability and metabolic and radiographic parameters in premature kids
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