Observational studies have associated patent ductus arteriosus (PDA) ligation in preterm infants with increased chronic lung disease (CLD), retinopathy of prematurity, and neurodevelopmental impairment at long-term follow-up. Although the biological rationale for this association is incompletely understood, there is an emerging secular trend toward a permissive approach to the PDA. However, insufficient adjustment for postnatal, pre-ligation confounders, such as intraventricular hemorrhage and the duration and intensity of mechanical ventilation, suggests the presence of residual bias due to confounding by indication, and obliges caution in interpreting the ligation-morbidity relationship. A period of conservative management after failure of medical PDA closure may be considered to reduce the number of infants treated with surgery. Increased mortality and CLD in infants with persistent symptomatic PDA suggests that surgical ligation remains an important treatment modality for preterm infants.

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Background: Polycythemia (PC) is defined as venous hematocrit (hct) ≥65%. Its incidence is high among certain risk factors (RFs). Its management is controversy. Aims: To determine: (1) The incidence of PC in our neonatal intensive care unit (NICU). (2) Most common RF, symptoms, and laboratory abnormalities (LA) associated with PC and their effect on the length of hospital stay (LOS). (3) Whether noninvasive interventions are effective in reducing hct. (4) Hct pattern of PC neonates. Design: Retrospective cohort study. Setting: NICU at a maternity and children hospital. Materials and Methods: Records review of all neonates from March 2011 to August 2013. Inclusions criteria were: (1) Venous hct ≥65%. (2) Neonates born in our institution. (3) Early umbilical cord clamping. (4) Gestational age ≥34 weeks. Statistical Analysis: Chi-square and multiple regression analysis. Results: One hundred and one PC neonates were eligible. Incidence of PC in our NICU is 14.5%. The most common RF, symptoms, and LA were: Small for gestational age, jaundice and hypoglycemia respectively. Tachypnea (  P - 0.04) and oliguria (P - 0.03) significantly prolonged LOS. Noninvasive interventions or observation could not reduce the hct significantly (P - 0.24). The hcts mean peaked maximally at a mean of 2.8 h of age. Conclusion: PC incidence in our NICU is higher than the reported incidence in healthy newborns. Most of the PC neonates were either symptomatic or having LA. Noninvasive interventions or observation were not effective in reducing hct in polycythemic neonates. Hct in both healthy and PC neonates peaked at the same pattern.

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A considerable number of intraventricular hemorrhages (IVH) occur within the first hours of life (HOL). Temporality between IVH and its antecedents as well as a consistent definition of "early IVH" is lacking in a large and growing body of literature. We performed a systematic review of prospective studies that reported onset of IVH in preterm neonates within the first HOL and afterwards. The English literature was searched using three databases up to March 2013. Four timing periods of IVH can be compared in 16 identified studies: 0-6; 7-12; 13-24; after 24 HOL. The 0-6 and after 24 HOL were the major modes of IVH timing. Pooled IVH proportions were estimated through a meta-analysis of studies that were conducted after antenatal steroid and surfactant era. In neonates weighing ≤1500 g at birth: 48% of IVH (95% CI: 42-58%, 5 studies, 279 IVH cases) occurred during 0-6 HOL and 38% (95% CI: 19-57%, 4 studies, 241 IVH cases) after 24 HOL. The 0-6 HOL is the shortest, most vulnerable period for IVH, thus, an early IVH is an IVH occurs in it. Such early IVH had prognostic, etiological/preventive and medicolegal implications. Accordingly, preterm neonates at risk of IVH should have their first routine screening head ultrasound at about 6 HOL. Future research exploring the antecedents of IVH should guaranty the temporality between these antecedents and IVH. Additional research will be required to determine whether the long term neurological outcomes of early and late IVH are the same.

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Introduction: Acute kidney injury (AKI) is one of the most common diseases among the newborns hospitalized in the neonatal intensive care units (NICUs), which is usually resulted from predisposing factors including sepsis, hypovolemia, asphyxia, respiratory distress syndrome (RDS), and heart failure. The goal of this study was to assess main etiologies, relevant risk factors, and early outcome of neonatal AKI. Materials and Methods: In a cross- sectional study, 49 consecutive neonates hospitalized in NICU of Besat hospital with diagnosis of AKI from October 2009 to October 2011 were investigated through census sampling method. AKI was diagnosed based on urine output and serum creatinine levels. Results: The prevalence of AKI was 1.54% (49 out of 3166 newborns hospitalized in NICU) with the female: male was 7:1. Thirty-nine patients (79.5%) were full-term neonates. Oliguria was observed in 38 (77.5%) patients. Sepsis was the most common predisposing factor for AKI in 77.5% of patients (n = 38) accompanied with the highest mortality rate among other factors (30.5%). Other leading causes of AKI included hypovolemia secondary to dehydration, followed by hypoxia secondary to RDS, patent ductus arteriosus, posterior urethral valve, asphyxia, and renal venous thrombosis. A positive relationship was observed between neonates' age, sex, urine output, and also between serum creatinine levels with initiation of dialysis. The mortality rate among the newborns hospitalized with AKI was 36.7%. Eighteen (36.7%) newborns were treated with peritoneal dialysis (PD) of whom 10 patients (55.6%) died, 31 patients were managed conservatively of whom five neonate died (25.9%). Discussion: Prognosis of AKI in the oliguric neonates requiring PD is very poor. It is thus recommended to prevent AKI by predicting and rapid diagnosis of AKI in patients with potential risk factors and also by early and effective treatment of such factors in individuals with AKI.

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The varying presentations of neonatal breast enlargement on imaging have been underreported in the literature. Our case report profiles a 3-week-old female patient who presented with a history of left breast enlargement with redness and tenderness for 2 days, who was clinically diagnosed and managed for neonatal mastitis, which was actually a neonatal breast enlargement with adjacent cellulitis. Awareness that physiologic neonatal breast enlargement can be associated with adjacent cellulitis without mastitis can prevent unnecessary hospitalization and treatment with parenteral antibiotics.

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Context: There are limited studies assessing the neonatal hemostatic factors in relation to birth weight. Aims: This study aims to compare the coagulation factors between three groups of neonates with different birth weight for gestational age (GA). Settings and Design: In a cross-sectional study, 74 healthy premature neonates were involved. Subjects and Methods: Serum prothrombin time (PT), activated partial thromboplastin time (APTT), international normalized ratio (INR), thrombin clotting time (TT), and levels of fibrinogen, anti-thrombin III, protein S and protein C were measured. Neonates were classified into three groups according to birth weight, including small, appropriate and large for gestational age (SGA, AGA, and LGA). Statistical Analysis Used: Statistical analysis was performed using SPSS software. Results: There was a significant difference in the levels of protein S (P < 0.001), protein C (P = 0.004), and values of APTT (P = 0.01) between three groups. Other coagulation factors however, did not represent a significant pattern (P > 0.05). Protein S concentration, directly (B = 0.78, P < 0.001), and APTT, inversely (B = −0.29, P = 0.03), associated with birth weight after adjustment for GA and sex. Conclusions: Despite the decrease in APTT from SGA to AGA, and LGA neonates, levels of protein S increases directly with birth weight. However, no other coagulation factors revealed an explainable pattern in relation to the state of SGA, AGA, or LGA.

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Classically, embryology of duodenal atresia has been linked to defect in recanalization process, while apple-peal atresia of small bowel has been considered as due to vascular accident during embryonic life. We present a 33 week preterm neonate with duodenal atresia with the apple-peal appearance of proximal jejunum for which resection of the jejunum with apple-peal configuration, plication of the duodenum, and duodono-jejunal anastomosis was done. Thus, this rare case of ours questions the embryology of duodenal atresia with the apple-peal appearance suggesting it to be due to a vascular disruption phenomenon during embryonic life.

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Large facial segmental hemangiomas tend to be associated with extracutaneous abnormalities. We report a case of large progressive segmental facial hemangioma, sternal cleft and talipes equinovarus deformity.

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Birth injuries involving face are easily recognizable, but are often under-reported. Most of these injuries are associated with face presentation. We report an iatrogenic, but potentially preventable facial birth injury sustained by an unborn child in institutional setup.

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Intussusception is extremely rare in preterm neonates and is often confused with necrotizing enterocolitis leading to considerable delay in its diagnosis. We present a case report of a preterm with colo-colic intussusception, which was diagnosed preoperatively using ultrasound. We examine the pitfalls in diagnosing intussusception in preterm neonates. Intussusception, though rare, should be considered in the differential diagnosis while managing a preterm with abdominal symptomatology. Abdominal ultrasound is useful in diagnosing intussusception in neonates.

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Leukocyte adhesion deficiency type I is an extremely serious and rare form of congenital immunodeficiency with recurrent episodes of infection since neonatal period. It is usually diagnosed in childhood, but if diagnosed early in neonatal period then definitive treatment can be instituted early with promising results. High index of suspicion is necessary to diagnose this condition in neonates. Neonate may present with serious bacterial infections with a leukemoid reaction.

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We report a case of a neonate who presented to us with multiple rhabdomyomas of heart, cortical tubers in the brain and skeletal anomalies such as Pierre Robin sequence, bilateral clubfoot and lower small bowel obstruction. Though a diagnosis of neonatal tuberous sclerosis was made, the association of skeletal anomalies and intestinal obstruction was a rare and unusual finding.

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Congenital leukemia is a very rare severe condition and leukemia cutis may represent the presenting sign of this malignancy, sometimes preceding hematological findings of weeks. Typical clinical features include multiple red to purple papules, macules and nodules due to direct infiltration of the skin by malignant cells. We illustrate these cutaneous findings in a patient with congenital leukemia and tetralogy of Fallot.

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