Prevalence and Predictive Factors of Exclusive Breastfeeding in the First Six Months of Life.

INTRODUCTION: Exclusive breastfeeding (EBF) is currently recommended until six months of age. The Baby-friendly Hospital (BFH) initiative an international program to promote breastfeeding, was launched in Portugal in 1994. The aim of this study was to identify the prevalence and factors influencing breastfeeding in the first six months of life and to compare the results with a study carried out in 1999 including population from the same geographic area. MATERIAL AND METHODS: A prospective, longitudinal and observational study was carried out in two hospitals in the Lisbon metropolitan area, one BFH and another non-BFH. It consisted of different questionnaires answered by mothers at three distinct moments (zero, three and six months). The first questionnaire was applied between February and June 2019. RESULTS: A total of 423 infants were included, 324 from the BFH and 99 from the non-BFH. The breastfeeding rate was 94.3% at discharge, 78.2% at three months and 64.4% at six months, whereas EBF rate was 74.2%, 51.8% and 25.6% respectively. All women on EBF at six months, except one, were breastfeeding on demand. The discontinuation of EBF was associated with delayed skin-to-skin contact, Neonatal Intensive Care Unit admission, pacifier and artificial teats use, mother's return to work earlier and lower education levels. Conversely, factors that promote EBF were older gestational age, adequate birthweight, breastfeeding initiation in the first hour of life, rooming-in practice, shorter hospital stay and absence of infant's illnesses. Compared with 1999, although there was a significant improvement of breastfeeding rates at three and six months, the EBF rate was similar at six months (23%). Both studies identified the mother's lower education level and mother's return to work as contributing factors to breastfeeding discontinuation. CONCLUSION: Our results are in agreement with previously reported causes of breastfeeding discontinuation and emphasize the importance of sociocultural factors. Compared with 1999, the breastfeeding rates in this Portuguese population increased significantly at three and six months. However, it is still necessary to improve in order to achieve the World Health Organization global target.

Characteristics of Newborns from Mothers with SARS-CoV-2 Infection in a Portuguese Hospital.

INTRODUCTION: Guidance for pregnant women has been particularly problematic since the beginning of the COVID-19 pandemic. The aim of this study was to describe the characteristics and outcomes of pregnant women with SARS-CoV-2 infection and their newborns. MATERIAL AND METHODS: Case review of clinical records of pregnant women with SARS-CoV-2 infection admitted for delivery and their newborns from April to December 2020 at a hospital in the Lisbon metropolitan area. RESULTS: From 1755 births, 81 (4.6%) were from SARS-CoV-2 positive mothers. Most (83.9%) were term newborns. Almost 16% were preterm, while there was an overall prematurity rate of 9.9%. Most women (88.6%) were asymptomatic. Rooming-in occurred in 80.8% cases and 19.2% newborns were admitted to the Neonatal Intensive Care Unit. From the total, 56.7% newborns were breastfed from birth and 43% had mixed feeding. None of the newborns had symptoms related to COVID-19 infection, and all had negative rt-PCR for SARS-CoV-2 at birth and at 48 hours of life. The majority (85.2%) was discharged home with their mothers. DISCUSSION: Pregnant women with COVID-19 have shown immune characteristics resembling healthy pregnancies, and it is not yet clear if SARS-CoV-2 can be vertically transmitted. Recent updates on neonatal guidance now recommend rooming-in and support the relative safety of breastfeeding. CONCLUSION: This study supports other published articles regarding maternal and neonatal outcomes of SARS-CoV-2 infected pregnant women, including the absence of short-term adverse outcomes with rooming-in and breastfeeding.

Introdução: Desde o início da pandemia COVID-19, tem sido particularmente dificil obter orientações relativas a mulheres grávidas. Este estudo teve como objetivo descrever as características e resultados clínicos das grávidas com SARS-CoV-2 e dos seus recém--nascidos. Material e Métodos: Revisão de processos clínicos de grávidas com infecção por SARS-CoV-2 admitidas para o parto, e dos seus recém-nascidos, no período de abril a dezembro de 2020 num hospital da área metropolitana de Lisboa. Resultados: De um total de 1755 nascimentos, 81 (4,6%) foram de mães positivas para SARS-CoV-2. A maioria eram recém-nascidos de termo; 16% eram prematuros, sendo a taxa geral de prematuridade 9,9%. A maioria das grávidas (88,6%) foi assintomática. O alojamento conjunto ocorreu em 80,8% dos casos e 19,2% dos recém-nascidos foram admitidos na Unidade de Cuidados Intensivos Neonatais. A maioria dos recém-nascidos (56,7%) fez leite materno desde o nascimento e 43% fez aleitamento misto. Nenhum recém--nascido apresentou sintomas relacionados com a infeção por COVID-19 e todos foram negativos por rt-PCR para SARS-CoV-2 ao nascimento e às 48 horas. Do total, 85,2% dos recém-nascidos tiveram alta para o domicílio com a mãe. Discussão: As grávidas com COVID-19 apresentam características imunológicas semelhantes a grávidas saudáveis e ainda não é clara a transmissão vertical do SARS-CoV-2. Atualizações recentes sobre as orientações neonatais recomendam o alojamento conjunto e apoiam a segurança da amamentação. Conclusão: Este estudo corrobora resultados maternos e neonatais anteriores incluindo a ausência de resultados adversos a curto prazo com alojamento conjunto e amamentação.

Caloric intake and weight gain in a neonatal intensive care unit.

The aim of this paper was to study the weight gain in very-low-birthweight (VLBW) infants by adopting earlier and higher intake of proteins and earlier intake of lipids. We studied 28 VLBW infants admitted to Neonatal Intensive Care Unit during the year 2004 (group 1) and 18 during the first semester of 2006 (group 2). Dietary intakes for group 1 were: 1 g kg(-1) day(-1) of proteins started at postnatal day 2 (P2) and 0.5-1 g kg(-1) day(-1) of lipids at P3; for group 2, 1-1.5 g kg(-1) day(-1) of proteins and 0.5-1 g kg(-1) day(-1) of lipids, both started at P1. Caloric intake was significantly higher in group 2 (p < 0.05), whereas cumulative nutritional deficit was higher in group 1 (p < or = 0.01). Weight z scores were significantly lower at discharge comparing with z scores at birth for each group (p < or = 0.01), with no differences between the two groups. Despite a higher protein intake which resulted in a lower nutritional deficit, the weight z score did not improve significantly at discharge.

Invasive fungal infection in neonatal intensive care units: a multicenter survey.

This study assesses the epidemiology of invasive fungal infection (IFI) in Portuguese Neonatal Intensive Care Units (NICUs) and compares the effectiveness and safety of antifungal therapies. A survey concerning the period 2005-2010 was carried out in NICUs of Greater Lisbon. Among 10 473 admitted neonates, 44 cases were identified, 29 among extreme low birth weight neonates (65.9%). Cumulative incidence rate was 0.42% (95%CI 0.309-0.559). A central vascular catheter was present before IFI in all cases. Candida albicans and Candida parapsilosis were the most frequent isolates. The initial antifungic was fluconazole in 22 cases and liposomal amphotericin B (L-AmB) in 18. Therapy was switched in 10 patients on fluconazole and 3 on L-AmB. Case fatality rate was 11.4% (95%CI 4.39-23.91). No serious adverse drugs reactions (SADRs) or clinical side effects were observed. The knowledge of the local epidemiology helps to identify adequate prophylactic and treatment strategies.

High-output heart failure in a newborn.

High-output cardiac failure is rare in newborns. Emergent diagnosis and management of this pathology is crucial. We report the case of a child, currently 12-months old; obstetric background is non-contributory. Clinic observation on D1 was normal except for the presence of a systolic cardiac murmur; cardiological evaluation revealed mild ventricular dysfunction of the right ventricle. On the third day of life, she developed cardiac failure with gallop rhythm, hepatomegaly and a murmur in the anterior fontanel; an echocardiogram confirmed clinic aggravation with biventricular dysfunction and right cavities and superior vena cava dilatation. The cranial MRI confirmed the presence of a pial arteriovenous malformation (AVM) involving the anterior and middle cerebral arteries with an associated fronto-parietal ischaemic lesion. The infant underwent embolisations of AVM with successful flow reduction and cardiac failure improvement. The multidisciplinary follow-up showed no cardiac dysfunction or permanent lesions but confirmed a severe psycho-motor delay and left hemiparesia.

Staphylococcus aureus reservoirs and transmission routes in a Portuguese Neonatal Intensive Care Unit: a 30-month surveillance study.

Although Staphylococcus aureus is a major cause of outbreaks in neonatal intensive care units (NICUs), there are no studies on the epidemiology of S. aureus isolates responsible for infection in Portuguese NICUs. Between July 2005 and December 2007, a total of 54 methicillin susceptible S. aureus (MSSA) isolates were recovered from 16 infected infants, parents, health care workers (HCWs), and the environment in a level III NICU. Isolates were characterized by pulsed-field gel electrophoresis (PFGE), spa typing, and multilocus sequence typing. Virulence determinants were detected by multiplex polymerase chain reaction. Three major MSSA clones were endemic in the NICU, representing 70% (n=38) of the isolates: PFGE type A-ST5 (n=17); type B-ST30 (n=12); and type C-ST1 (n=9). Leukotoxins and hemolysins were present in all isolates, although none of them carried PVL. HCWs, plastic folders protecting clinical files, and mothers' nipples were identified as potential reservoirs and/or vehicles of dissemination of S. aureus. Consequently, additional infection control measures were implemented in this NICU.

Incontinentia pigmenti in the neonatal period.

Incontinentia pigmenti (IP) is a rare multisystem disease, X linked dominant disorder. As all X linked dominant diseases, it is usually male-lethal. Female newborn admitted to the neonatal intensive care unit on the first day of life was diagnosed as having probable herpetic infection with vesicular skin lesions distributed on upper right limb and inferior limbs. Family history showed that her 22-year-old mother had hypopigmented lesions on the lower limbs and her 13-month-old sister had hyperpigmented lesions on the trunk and limbs. In newborns, herpes infection emerges as the principal diagnosis of vesicular rash, due to the importance of precocious diagnosis and treatment. Other hypothesis must be considered in a newborn with vesicobullous rash, such as IP.