Publications by authors named "Y Perk"

Introduction: Cord arterial blood gas analysis (ABGA) results are used as diagnostic criteria for hypoxic-ischemic encephalopathy in newborns with suspected perinatal asphyxia. This study evaluated the effect of cord ABGA lactate level on the long-term neurodevelopment of newborns without any clinical signs of perinatal asphyxia.

Methods: This clinical observation study was designed among term babies born between 2018 and 2019 in our unit.

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Early-onset sepsis (EOS) is one of the leading causes of neonatal death and morbidity worldwide and timely initiation of antibiotic therapy is, therefore, of paramount importance. This study aimed to evaluate the predictive effect of lactate and base excess (BE) values in the cord arterial blood gas and the 6th hour of life venous blood gas analysis on clinical sepsis in newborns. This is a cohort case-control study.

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Background: Transient hypothyroxinemia of prematurity (THOP) is defined as a low level of circulating thyroxine (T4), despite low or normal thyroid-stimulating hormone (TSH) levels.

Aims: We aimed to evaluate the incidence of THOP, the clinical and laboratory findings of preterm infants with this condition and the levothyroxine (L-T4) treatment.

Methods: Preterm infants (n = 181) delivered at 24-34 weeks of gestation were evaluated by their thyroid function tests that were performed between the 10 and 20 days of postnatal life and interpreted according to the gestational age (GA) references.

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Objective: This study aimed to compare the short-term outcomes of infants from our level IIIC neonatal intensive care unit in 2 different periods.

Materials And Methods: In this cohort study, data from preterm infants (≤29 weeks and birth weight <1500 g) registered in the Vermont Oxford Network system were divided into 2 periods, the first period between January 1, 2005, and December 31, 2009, and the second between January 1, 2010, and December 31, 2019.

Results: There was no difference in the distribution of preterm infants according to their gestational age subgroups (P = .

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