Medication follow-up in newborns with extremely low birth-weight

Objective:

The medication follow-up in infants with extremely low birth-weight in a neonatal intensive care unit is described, identifying drug-related problems (DRP), drug-related negative outcomes, and the relationship between the occurrence of DRP and birth-weight of newborns and their impact on pharmacotherapy and length of hospital stay.

Methods:

A descriptive and exploratory study was performed in which medication follow-up of a population of infants with extremely low birth-weight admitted to the neonatal intensive care unit of a government-run maternity hospital was carried out by clinical pharmacists. Monitoring comprised assessment of patients’ pharmacotherapy needs through visits to the neonatal unit, evaluation of prescriptions and information on medical records, identification of issues associated with pharmacotherapy and follow-up of the newborns’ clinical evolution to determine whether desired results were achieved.

Results:

The subjects were 33 infants characterized by extremely low weight at birth. Analysis of patients’ pharmacotherapy showed that 39.4% (n=13) of the neonates presented some type of DRP, totaling 37 DRPs and a mean of 2.8 problems/patient. Fourteen drugs were identified with the occurrence of DRP. Vancomycin and cefepime were the most prevalent, with 18.9% (n=7). Occurrence of DRPs and several clinical characteristics of newborns and their pharmacotherapy were compared. The most prevalent drug-related negative outcomes identified were “untreated health problem” (40%, n=10) and “quantitative ineffectiveness” (32%, n=8). Pharmaceutical interventions were performed for all problems associated with pharmacotherapy, with a prevalence of “treatment day count correction” and “dose correction”, both with 21.6% (n=8), and “correction of dosage” (16.2%, n=6).

Conclusion:

The research evidenced the role of the clinical pharmacist in the solution and prevention of drug-related problems, contributing with the multidisciplinary team to obtain a safe and effective pharmacotherapy. Further, current study confirmed that there is an association between the characteristics of the newborns under analysis (eg. birth-weight, pharmacotherapy) and the occurrence of drug-related problems.

Comparison of Acute Abdominal Surgical Outcomes of Extremely-Low-Birth-Weight Neonates according to Differential Diagnosis

BACKGROUND

Improvements in perinatal intensive care have improved survival of extremely-low-birth-weight (ELBW) neonates, although the risk of acute abdomen has increased. The differential diagnosis resulting in abdominal surgery can be categorized into necrotizing enterocolitis (NEC), spontaneous intestinal perforation (SIP), meconium-related ileus (MRI), and meconium non-related ileus (MNRI). The purpose of this study was to review our experience with abdominal surgery for ELBW neonates, and to evaluate characteristics and prognosis according to the differential diagnosis.

METHODS

Medical records of ELBW neonates treated between 2003 and 2015 were retrospectively reviewed.

RESULTS

Of 805 ELBW neonates, 65 (8.1%) received abdominal surgery. The numbers of cases by disease category were 29 for NEC, 18 for SIP, 13 for MRI, and 5 for MNRI. Ostoma formation was performed in 61 (93.8%) patients; primary anastomosis without ostoma was performed in 4 (6.2%). All patients without ostoma formation experienced re-perforation of the anastomosis site. Seven patients had 30-day postoperative mortality (6 had NEC). Long-term survival of the surgical and non-surgical groups was not statistically different. NEC was a poor prognostic factor for survival outcome (P = 0.033).

CONCLUSION

Abdominal surgery for ELBW neonates is feasible. Ostoma formation can lead to reduced complications compared to primary anastomosis.

Postnatal nutritional deficit is an independent predictor of bronchopulmonary dysplasia among extremely premature infants born at or less than 28 weeks gestation

OBJECTIVE

To investigate the relationship between growth, nutritional and fluid intake in the first month of life and the likelihood of developing bronchopulmonary dysplasia.

DESIGN & SETTINGS

This is a retrospective case-control study conducted in a tertiary perinatal centre between January 2011 and December 2013.

PATIENTS

Thirty-three preterm infants without bronchopulmonary dysplasia (BPD) were identified and matched with those with BPD, based on period of birth within a cohort of infants with a birth weight of ≤1000 g and gestational age ≤28 weeks that were admitted to the unit during the study period.

MAIN OUTCOME MEASURES

We reported the weekly and 4-week mean daily caloric and fluid intake, and growth status as changes in Fenton z-scores and weight velocity. The predictors of bronchopulmonary dysplasia were identified using multivariable logistic regression analysis.

RESULTS

The 4-week mean daily caloric and fluid intake were significantly lower in the BPD group. Mean z-scores of weights, weight velocity and proportions of infants with weights below the 10th percentile on day 28 of life were similar in both groups. The odds of developing BPD were increased when invasive ventilatory support was required at day 28 (OR = 16.5), and were decreased with a higher 4-week averaged daily caloric intake (OR = 0.89).

CONCLUSIONS

Infants with BPD received a lower caloric and fluid intake in the first month of life. In multivariable regression analysis, two independent predictors for BPD development were the need for invasive ventilatory support and a lower 4-week averaged daily caloric intake.

Changing definitions of long-term follow-up: Should "long term" be even longer?

There have been amazing changes in outcomes of preterm (PT) infants in the past decades. Whereas early studies reported only survival rates, Dr. Julius Hess published the first outcome study of PT infants in Chicago in 1953. Dr. Lubchenco then published the 10-year follow-up of premature infants born in 1947-1953 and identified a 68% handicap rate. As a result of these early studies, the importance of evaluating NICU graduates both for surveillance and as an outcome of trials was recognized. During the 1970s, there was a gradual expansion in the number of follow-up programs in the United States (US) with an increasing number of follow-up studies published. In the 1980s, the importance of multicenter clinical research networks was recognized and the NICHD Neonatal Research Network (NRN) was initiated in 1986. Follow-up protocols, definitions, and outcomes have evolved over the last 30 years and will be reviewed with a focus on NICHD NRN studies.

Blood Pressure Profile in the 7th and 11th Year of Life in Children Born Prematurely

Background

Several research trials have analyzed the impact of prematurity on the prevalence of hypertension (HT). However, prospective long-term studies are lacking.

Objectives

The aim of this study was to evaluate the prevalence of HT at the age of 7 and 11 years in a regional cohort of preterm infants with a birth weight of ≤ 1000 g.

Patients and Methods

This study included 67 children with a birth weight of ≤ 1000 g who were born in Malopolska between September 2002 and August 2004. The control group consisted of 38 children born at term, matched for age. Each child underwent 24-h ambulatory blood pressure measurement (ABPM) twice, once at the age of 7 and again at 11 years. The presence of HT was estimated according to the mean arterial pressure (MAP) and a number of individual measurements.

Results

At aged 7 years, preterm infants had a significantly higher incidence of HT, defined on the basis of MAP (15% vs. 0%; P < 0.02) and on the percent of individual measurements (56% vs. 33%, P < 0.036). After taking into account the group of patients who received anti-HT treatment after the first part of the study, the incidence of HT at the age of 11 years based on MAP was 19% vs. 10%. Based on the individual measurements, it was 36.5% in the preterm infants vs. 24% in the control group. The differences were not statistically significant. At both time points, the preterm group had a higher mean heart rate (HR) than the control group.

Conclusions

Children born prematurely are predisposed to HT in later life, in addition to the persistence of an increased HR.

Individualized fortification of breast milk in 41 Extremely Low Birth Weight (ELBW) preterm infants

BACKGROUND

The use of breast milk presents numerous early and long-term advantages for ELBW preterms. However, breast milk without fortification does not cover the high nutritional needs of such patients. The aim of our study was to assess the effect of individualized fortification of breast milk on the growth of ELBWs hospitalized in a neonatal intensive care unit (NICU).

METHODS

Retrospective single-center observational study.

RESULTS

We assessed the growth of 41 consecutive ELBWs (21 females, 20 males) with gestational ages between 23 and 30 weeks (mean GA 26.31±1.8) fed with breast milk in an individualized way. The rate of growth as the mean weight increase with breast milk fortification was 16.04±3.13 g/kg/day, more than the growth of the fetus in the uterus (~15 g/kg/day). This result was confirmed also among the ELBWs of lower GA. However, only 24.4% of all the ELBWs at the time of discharge from the NICU presented an appropriate weight for their gestational age. No cases of Necrotizing Enterocolitis (NEC) were observed.

CONCLUSIONS

Despite high growth velocity, the ELBWs failed to remain in the same percentiles of birth and, at discharge, only 27.7% had a weight of >10 centiles. Further studies are needed to improve growth during early critical phases of development.

The Survival of a 580 g Infant Conceived by In vitro

With recent improvements in maternal fetal medicine and neonatal intensive care, the survival rates of extremely low birth weight infants have been improved. In this report we describe the case of an extremely low birth weight infant due to preeclampsia, who was conceived by in vitro fertilization and is in complete physical and mental health after a one - year follow - up.