Luciana Occhi

Neonatal Anthropometric Charts: The Italian Neonatal Study Compared With Other European Studies

Background and Objective: This was a nationwide prospective study carried out in Italy between 2005 and 2007, involving 34 centers with a neonatal intensive care unit. The study reports the Italian Neonatal Study charts for weight, length, and head circumference of singletons born between 23 and 42 gestational weeks, comparing them with previous Italian data and with the most recent data from European countries. Patients and Methods: Single live born babies with ultrasound assessment of gestational age within the first trimester, and with both parents of Italian origin. Only fetal hydrops and major congenital anomalies diagnosed at birth were excluded. The reference set consists of 22,087 girls and 23,375 boys. Results: At each gestational age, boys are heavier than girls by about 4%. Later-born neonates are heavier than firstborn neonates by about 3%. The effects of sex and birth order on length and head circumference are milder. No differences were observed between babies born in central-north Italy and southern Italy. A large variability emerged among European neonatal charts, resulting in huge differences in the percentage of Italian Neonatal Study neonates below the 10th centile, which is traditionally used to define small-for-gestational-age babies. In the last 2 decades prominent changes in the distribution of birth weight emerged in Italy and in the rest of Europe, in both term and preterm neonates. Conclusions: The existing European neonatal charts, based on more or less recent data, were found to be inappropriate for Italy. Until an international standard is developed, the use of national updated reference charts is recommended.

Benefits of donor human milk for preterm infants: Current evidence

Its undoubted that optimum nutrition for term infants is breastfeeding, exclusive for the first six months, then followed by a complementary diet and carried on, if possible, for the first year of life or even more. During the last decades several data confirmed the great advantages of fresh mothers milk use also for feeding very low and extremely low birthweight preterm infants. When mothers milk is unavailable or in short supply, pasteurized donor breast milk is widely used in neonatal intensive care units. Pasteurization partially affects nutritional and immunological properties of breast milk, however it is known that pasteurized milk maintains some biological properties and clinical benefits. The substantial benefits of mothers own milk feeding of preterm infants are supported by strong evidence. However, there is increasing evidence also on specific benefits of donor breast milk. Future research is needed to compare formula vs. nutrient fortified donor breast milk, to compare formula and DM as supplements to maternal milk rather than as sole diet and to compare effects of different methods of heat treatments on donor human milk quality.

Neonatal growth charts.

The ability to recognize abnormal growth at birth and/or an intrauterine malnutrition is of great importance for neonatal care and prognosis. The current gold standard in neonatal auxological evaluation is based on information obtained from both neonatal anthropometric charts and intrauterine growth charts. Numerous charts have been proposed, but they are hardly comparable with each other, due to numerous methodological problems. The Italian Society of Neonatology, the Italian Society of Pediatric Endocrinology and Diabetology and the Italian Society of Medical Statistics and Clinical Epidemiology promoted a multicenter survey with the aim to produce an Italian neonatal anthropometric reference (Italian Neonatal Study [INeS] charts) fulfilling the set of the criteria that a reliable neonatal chart should possess. In clinical practice neonatal charts have some limitations if they are used to monitor postnatal growth of preterm newborns from birth to term. To overcome the problems related to the construction and use of a reference, an international project has recently started a study aiming to create prescriptive standard for the evaluation of postnatal growth of preterm infants (INTERGROWTH-21st). While an international longitudinal standard for evaluating preterm infant postnatal growth is lacking, in Italy the best compromise is likely to be as follows: new INeS charts up to term; International longitudinal charts WHO 2006 or CDC 2002 from term to 2 years; finally, the Italian Society for Pediatric Endocrinology and Diabetes (SIEDP) growth charts could be suitable for monitoring the growth of these infants from 2 years up to 20 years of age.

Is breastfeeding duration influenced by maternal attitude and knowledge? A longitudinal study during the first year of life

Objective: To discuss the duration and types of breastfeeding and to identify the factors associated with the early introduction of formula milk. Materials and methods: This longitudinal study was conducted in the largest birthing centre of Turin. 562 mother-infant pairs were selected randomly and enrolled from among all the births that occurred in our Hospital from January to December 2009. Data was collected by means of a questionnaire filled out by the researcher during a face-to-face interview at mother’s bed side during her hospital stay. This questionnaire included data regarding maternal socio-demographic, biomedical and hospital-related characteristics and some questions regarding family support, maternal attitude and current knowledge on breastfeeding. Mothers were interviewed by telephone at 1, 3, 6 and 12 months postpartum using the 24-h recall technique and definitions recommended by the WHO to investigate the type of breastfeeding adopted. Results: At the age of 6 months only 8.9% of the infants involved were still exclusively breastfed and 44.3% had discontinued breastfeeding. By the age of 12 months 25.3% of infants were still receiving some breast milk. The main factors that had a negative impact on the duration of breastfeeding included maternal smoking habits, early pacifier introduction and the maternal infant feeding attitude. Conclusions: The rate of initiation and overall duration of breastfeeding reached the WHO objectives, but exclusive breastfeeding duration has still not reached satisfactory levels at 6 months. Given that the maternal infant feeding attitude is the only factor independently related to breastfeeding duration for the whole first year of life, reliable measures of maternal attitude could be used as a first step in targeting and assessing interventions that promote and sustain breastfeeding.

Benchmarking neonatal anthropometric charts published in the last decade

In a commentary published in this journal,1 we defined the characteristics that a reliable neonatal anthropometric chart should possess to be of both clinical and epidemiological use. With the aim of assessing to what extent the neonatal charts published in the last decade present such characteristics, we examined the relevant literature published from January 1998 to September 2008. The search strategy in Medline used the following text words and MeSH terms: [(newborn* OR neonatal*) AND (growth charts OR growth curves OR anthropometric charts OR anthropometric curves OR intrauterine growth charts OR intrauterine growth curves) AND (birthweight OR birth head …

Evaluation of postnatal growth of preterm infants

The past two decades have seen a progressive improvement in the survival rates of preterm infants, especially in neonates <30 weeks of gestational age. These neonates constitute the large majority of the population in neonatal intensive care units. The correct evaluation of postnatal growth of these babies is nowadays of primary concern, although the definition of their optimal postnatal growth pattern is still controversial. Concerns have also been raised about the strategies to monitor their growth, specifically in relation to the charts used. At present the available charts in clinical practice are fetal growth charts, neonatal anthropometric charts and postnatal growth charts for term infants. None of these, for different reasons, is suitable to correctly evaluate preterm infant growth. An international multicentric project has recently started a study aiming at building a prescriptive standard for the evaluation of postnatal growth of preterm infants and it will be available in the next years providing a population that is conceptually as close as possible to the prescriptive approach used for the construction of the WHO infant and child growth standards. At present, while an international longitudinal standard for evaluating preterm infant postnatal growth is lacking, in Italy the best compromise in clinical practice is likely to be as follows: new Italian INeS (Italian Neonatal Study) charts up to term; International longitudinal charts WHO 2006 or CDC 2002 from term to two years; finally the Italian Society for Pediatric Endocrinology and Diabetes (SIEDP) 2006 growth charts could be suitable for monitoring the growth of these infants from two years up to 20 years of age.

Communicative strategies in a neonatal intensive care unit

Counseling is a professional intervention based on skills to communicate and to build relationships. The project ‘Not alone’, related to counseling at our Neonatal Intensive Care Unit, is aimed to let counseling become a ‘shared culture’ for all the care givers. The first essential aspect is to form the ability of counseling through periodic courses for all professionals of the department (physicians, nurses, and physiotherapists). In our department, a professional counselor is present assisting the medical staff in direct counseling. The counselors intervention allows a better parent orientation in the situation. A more effective sharing of these rules also facilitates the communication among parents and medical staff. Periodic meetings are established among the medical staff, in which the professional counselor discusses difficult situations to share possible communicative strategies. We wanted to have not only a common communicative style, but also common subjects, independent from the characteristics of each of us. Individuals are often faced with diverse situations. For every setting that we more frequently face in communication (for example the first interview with a parent of a very preterm infant) we have built an ‘algorithm’ that follows a pattern: (1) information always given; (2) frequent questions from parents; and (3) frequent difficulties in the communication. We also need to record important moments, for instance the ‘case history of the communication’: in fact it would be desirable to have the case history, a sheet dedicated to important communications that are absolutely to be shared with other professionals.

Drugs and breastfeeding: instructions for use

It’s universally well known that breastfeeding, due to its numerous beneficial effects on child and maternal health, is the best feeding method for infants. The use of medication by the nursing mother and the physician’s advice to stop nursing are the most common reasons for the cessation of breastfeeding. The physician plays an extremely delicate role and should be able to assess risks and benefits for both mother and child. The issue of which drugs are safe to take during lactation is quite complicated. Three main factors must be taken into account: pharmacokinetics, assessment of the risk to the infant and to the lactation. Excellent sources of reliable information are the reference books. For the most up-to-date information it would be useful to consult the online medical literature. Few drugs have been demonstrated to be absolutely contraindicated during breastfeeding. Clear, safe and reliable information is still lacking for most drugs. It would be desirable to see an improvement in knowledge about mechanisms for transfer of drugs into milk, to analyze the biotransformation process for a given drug and to study the clinical consequences of infant exposure to drugs present in milk.

The late preterm IUGR and/or SGA

It is well known that in late preterm infants the mortality and the morbidity are higher than in term neonates. The rate of complications decreases with the progression of gestational age through the late preterm period [1]. Intrauterine growth restriction (IUGR) is one of the cause for late preterm delivery and it occurs more often in late preterm infants than terms ones. Itself constitutes a risk factor for morbidity and mortality [2,3]. IUGR, as well as associated peri-natal morbidities, contributes to increase the risk, in these infants, of postnatal growth impairment, metabolic diseases and poor neuro-developmental outcome [1,4]. Late preterm small for gestational age (SGA) infants were 44 times more likely to die in the first month and 22 times more likely to die in their first year than term adequate for gestational age (AGA) newborns. This increased risk cannot be fully explained by an increasing prevalence of lethal congenital conditions among SGA late preterm newborns [5]. The ability to recognize abnormal growth at birth and or a intrauterine malnutrition is of great importance for the care and the prognosis of these neonates. Neonatal anthropometric charts are commonly used for the diagnosis at birth of SGA newborns [6]. The terms SGA and IUGR are often used as synonyms, however they reflect two different concepts. SGA refers to a statistical definition, based on an auxological cross-sectional evaluation (prenatal or neonatal), and denotes a fetus or a neonate whose anthropometric variables (usually weight) are lower than a given threshold value computed on a set of infants having the same gestational age. IUGR instead refers to a clinical and functional condition and denotes fetuses unable to achieve their own growth potential. Such a condition can be assessed by ultrasonography during pregnancy by a longitudinal evaluation of fetal growth rate. The current gold standard in neonatal auxological evaluation is based on informations obtained from both neonatal anthropometric charts and intrauterine growth charts [7]. At present specific growth charts to monitor postnatal growth of late preterm infants are not available. In the next future the late preterm postnatal longitudinal growth standards will be available as a result of “Intergrowth21st Project”.

Intrauterine Growth Restriction: Neonatal Aspects

Although the terms small for gestational age and intrauterine growth restriction are often used as synonyms, they reflect two different concepts.