Relationship between thyroid hormone levels and transient tachypnea of the newborn in late-preterm, early-term, and term infants.

PURPOSE: We aimed to investigate the association between thyroid hormone levels and transient tachypnea of the newborn (TTN) among late-preterm, early-term, and term infants admitted to neonatal intensive care unit (NICU). MATERIALS AND METHOD: In the current retrospective study, neonates admitted to the NICU due to TTN were assigned to the TTN group (n = 404). Healthy neonates who were followed up in the well-baby nursery comprised the control group (n = 7335). Infants were grouped by gestational age into late-preterm (34-366 weeks), early-term (37-386 weeks), and term subgroups (39-416 weeks). Serum levels of thyroid-stimulating hormone (TSH) and thyroxin (T4) were determined from venipuncture samples taken at least 48 hours after birth. The relationship between thyroid hormone levels and the need for NICU admission for TTN was compared between groups. RESULTS: Compared to control infants, term neonates with TTN had significantly higher TSH levels, whereas late-preterm and early-term neonates with TTN had significantly lower T4 levels. Birth weight and mode of delivery had no effect on NICU admission for TTN. CONCLUSIONS: Infants admitted to NICU due to TTN had significantly different thyroid hormone levels with differences depending on gestational age.

Transmission of methicillin-sensitive Staphylococcus aureus to a preterm infant through breast milk.

UNLABELLED: Contrary to traditional belief, breast milk is not a sterile fluid, even in healthy women. Breast milk may contain pathogenic bacteria that could cause serious infections especially in premature infants. There is no recommendation to evaluate breast milk routinely for pathogenic bacteria. However discontinuation of breastfeeding is not recommended even the mother had mastitis, because it is believed this will not pose a risk to infant. This is the report of a premature infant born at the 32nd gestational week who was readmitted to neonatal intensive care unit with late-onset Staphylococcus aureus sepsis. While searching for the transmission route of the infection, the breast milk was assessed. Although the mother did not have any symptoms of breast inflammation, S. aureus isolates, genetically 99% similar to those from the infant blood samples, were documented in the breast milk. CONCLUSION: Breast milk may contain pathogenic bacteria, even when expressed, stored and transported properly. When evaluating the source of a S. aureus infection in preterm infants, breast milk might be the source of the infection, even if the mother has no sign of mastitis.

Successful treatment of arterial thrombus in an extremely low-birth-weight preterm neonate.

Arterial thromboembolism in the pediatric population frequently occurs secondary to arterial catheterization. Catheterization-related complications are more common in smaller and sicker infants, due to high prothrombotic activity, low levels of natural anticoagulants, and various fibrinolytic imbalances. Arterial thrombus management in neonates remains controversial. Recombinant tissue plasminogen activator is the most commonly used thrombolytic agent in children, however there is very little experience with recombinant tissue plasminogen activator therapy in small prematures, especially in the first week of life. This case study reports catheter-related femoral artery occlusion in an extremely low-birth-weight preterm infant. Despite continuous heparin infusion for 6 hours, no resolution of the thrombus was seen by clinicians. Heparin was stopped, and recombinant tissue plasminogen activator therapy enabled complete recovery from the thrombus. The risk of bleeding (including intracranial hemorrhage) with recombinant tissue plasminogen activator treatment, especially in small preterm neonates is unknown. However, in this extremely low-birth-weight preterm infant, recombinant tissue plasminogen activator therapy was effective, and limiting the infusion rate to ≤0.4 mg/kg/hour was safe.

Frequency of ABO and rhesus blood groups among neonates born at a private hospital in Istanbul.

In this study we used gel centrifugation to determine the frequency and sex distribution of ABO and Rh blood group antigens among 4,656 neonates (2,317 males, 2,339 females) born at a private hospital in Istanbul. Group A Rh+ was the most frequent blood type and AB Rh- was the least frequent. Female neonates had a higher frequency of Rh+ blood than male neonates. Group A blood was detected most frequently followed by group O, group B, and group AB. Sex was not significantly associated with blood type. These results fall within the range of previously reported blood type frequencies for Turkey. Our data allow the creation of a blood bank database for the hospital.

Therapeutic combination of sildenafil and iloprost in a preterm neonate with pulmonary hypertension.

While new pharmacological approaches have been demonstrated to effectively manage PH in adults, few reports have addressed PH treatment in neonates and infants. This case report describes the successful management of severe PH secondary to bronchopulmonary dysplasia, respiratory syncytial virus infection, and hypoxia in a preterm 4-month-old with the long-term use of orally administered sildenafil and inhaled iloprost.

Rare presentation of pediatric acute lymphoblastic leukemia: nephromegaly at time of diagnosis.

Renal involvement is a fairly frequent development in children with acute lymphoblastic leukemia, but palpable renal enlargement at time of diagnosis is very unusual. We report the case of a young girl who presented with enlarged kidneys and was diagnosed with this form of leukemia. This case is of interest because of the rarity of this presentation. The importance of renal biopsy in identifying the etiology of this patient's nephromegaly is emphasized.

Effects of nebulized corticosteroids therapy on hypothalamic-pituitary-adrenal axis in young children with recurrent or persistent wheeze.

Inhaled corticosteroids (ICS) are preferred drugs for the long-term treatment of all severities of asthma in children. However, data about the safety of ICS in infants is lacking. So, it is essential to do further clinical studies to examine the safety and efficacy of ICS in this population. In this study, the effects of nebulized budesonide and nebulized fluticasone propionate suspensions on hypothalamic-pituitary-adrenal axis is examined in infants with recurrent or persistent wheeze. Thirty-one children aged 6-24 months admitted to our hospital between January and December 2005 with symptoms of recurrent or persistent wheeze were included in the study. The patients were randomly allocated to receive 0.25 mg BUD or 0.25 mg fluticasone propionate twice daily for 6 wk and half dose for another 6 wk with a jet nebulizer at home. Blood samples for basal cortisol concentration, adrenocarticotropic hormone, glucose, HbA1c and electrolytes were obtained at the beginning and at the end of the study. Adrenal function assessment was based on changes in cosyntropin-stimulated plasma cortisol levels. The study was completed with 31 patients, 16 of whom received BUD and 15 FP. All patients except one had plasma cortisol concentrations above 500 nmol/l (18 microg/dl) or had an incremental rise in cortisol of >200 nmol/l after stimulation. Although nebulized steroids seem to be safe in infancy, we recommend that adrenal functions should be tested periodically during long-term treatment with nebulized steroids.

Two children with invasive gastrointestinal aspergillosis.

We report two immunocompromised infants aged six and four months with invasive gastrointestinal aspergillosis. Both patients presented with weight loss and diarrhea. The underlying disorders were combined immunodeficiency and transient hypogammaglobulinemia of infancy. The diagnosis of gastrointestinal aspergillosis was established by gastrointestinal endoscopy and histopathological examination of the tissue specimens. Both children responded well to Amphotericin B.