| 1. |
- Agrasada, Grace V., et al.
(author)
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Exclusive breastfeeding of low birth weight infants for the first six months : infant morbidity and maternal and infant anthropometry
- 2011
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In: Asia Pacific Journal of Clinical Nutrition. - : H E C Press. - 0964-7058 .- 1440-6047. ; 20:1, s. 62-68
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Journal article (peer-reviewed)abstract
- Background: to report anthropometry and morbidity among term low birth weight infants and anthropometry of their first time mothers during the first six months in relation to breastfeeding practice. Methods: we examined data from a randomized controlled trial in Manila, the Philippines. Of the 204 mothers randomized, 68 mothers received eight postpartum breastfeeding counseling sessions, the rest did not. Maternal and infant anthropometric data at birth, 2, 4 and 6 months were taken. During seven follow-up hospital visits, an independent interviewer recorded feeding data. Results: the 24 infants exclusively breastfed from birth to six months did not have diarrhea compared to 134 partially breastfed (mean 2.3 days) and 21 non-breastfed infants (mean 2.5 days). Partially breastfed and non-breastfed infants compared to exclusively breastfed infants had more frequent, as well as more severe episodes of respiratory infections. At six months, neither overall gain in infant weight, length and head circumferences nor mean maternal weight and body mass index differed significantly between the feeding groups. Conclusions: exclusive breastfeeding for 6 months can be recommended in term low birth weight infants, who were protected from diarrhea, had fewer respiratory infections, required no hospitalization and had catch up growth. Exclusively breastfeeding mothers did not differ from mothers who breastfed partially or those who did not breastfeed with regard to weight changes at six months.
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| 2. |
- Ahlsson, Fredrik, 1967-, et al.
(author)
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Adipokines and their relation to maternal energy substrate production, insulin resistance and fetal size
- 2013
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In: European Journal of Obstetrics, Gynecology, and Reproductive Biology. - : Elsevier BV. - 0301-2115 .- 1872-7654. ; 168:1, s. 26-29
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Journal article (peer-reviewed)abstract
- OBJECTIVE:The role of adipokines in the regulation of energy substrate production in non-diabetic pregnant women has not been elucidated. We hypothesize that serum concentrations of adiponectin are related to fetal growth via maternal fat mass, insulin resistance and glucose production, and further, that serum levels of leptin are associated with lipolysis and that this also influences fetal growth. Hence, we investigated the relationship between adipokines, energy substrate production, insulin resistance, body composition and fetal weight in non-diabetic pregnant women in late gestation.STUDY DESIGN:Twenty pregnant women with normal glucose tolerance were investigated at 36 weeks of gestation at Uppsala University Hospital. Levels of adipokines were related to rates of glucose production and lipolysis, maternal body composition, insulin resistance, resting energy expenditure and estimated fetal weights. Rates of glucose production and lipolysis were estimated by stable isotope dilution technique.RESULTS:Median (range) rate of glucose production was 805 (653-1337)μmol/min and that of glycerol production, reflecting lipolysis, was 214 (110-576)μmol/min. HOMA insulin resistance averaged 1.5±0.75 and estimated fetal weights ranged between 2670 and 4175g (-0.2 to 2.7 SDS). Mean concentration of adiponectin was 7.2±2.5mg/L and median level of leptin was 47.1 (9.9-58.0)μg/L. Adiponectin concentrations (7.2±2.5mg/L) correlated inversely with maternal fat mass, insulin resistance, glucose production and fetal weight, r=-0.50, p<0.035, r=-0.77, p<0.001, r=-0.67, p<0.002, and r=-0.51, p<0.032, respectively. Leptin concentrations correlated with maternal fat mass and insulin resistance, r=0.76, p<0.001 and r=0.73, p<0.001, respectively. There was no correlation between maternal levels of leptin and rate of glucose production or fetal weight. Neither were any correlations found between levels of leptin or adiponectin and maternal lipolysis or resting energy expenditure.CONCLUSION:The inverse correlations between levels of maternal adiponectin and insulin resistance as well as endogenous glucose production rates indicate that low levels of adiponectin in obese pregnant women may represent one mechanism behind increased fetal size. Maternal levels of leptin are linked to maternal fat mass and its metabolic consequences, but the data indicate that leptin lacks a regulatory role with regard to maternal lipolysis in late pregnancy.
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| 3. |
- Ahlsson, Fredrik, et al.
(author)
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Insulin Resistance, a Link between Maternal Overweight and Fetal Macrosomia in Nondiabetic Pregnancies
- 2010
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In: Hormone research in paediatrics. - : S. Karger AG. - 1663-2818 .- 1663-2826. ; 74:4, s. 267-274
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Journal article (peer-reviewed)abstract
- Background/Aims: During the last decades the number of large for gestational age infants delivered by nondiabetic mothers has increased. Our aim was to investigate to what extent fetal growth in nondiabetic pregnant women can be explained by rates of maternal energy substrate production and resting energy expenditure. Methods: Twenty nonsmoking pregnant women without impaired glucose tolerance and with a wide range of fetal weights (0.2-2.7 SDS) were investigated at 36 weeks of gestation. Maternal lipolysis, glucose production, resting energy expenditure, body composition and insulin resistance were assessed.Results: Median (range) glucose production rate was 805 (653-1,337) mumol/min and that of glycerol, reflecting lipolysis, was 214 (110-576) mumol/min. Multiple linear regression analysis showed that maternal fat mass explained 36% of the variation in insulin resistance, accounting for 62% of the variation in glucose production. Further, glucose production explained 31% of the variation in fetal weight. Resting energy expenditure explained 51% of the variation in estimated fetal weight. Conclusion: Fetal weight is dependent on maternal glucose production, which is in turn determined by the degree of insulin resistance, induced in part by the maternal fat mass. The variation in maternal resting energy expenditure is closely related to fetal weight.
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| 4. |
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| 5. |
- Austeng, Dordi, et al.
(author)
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Incidence of and risk factors for neonatal morbidity after active perinatal care : extremely preterm infants study in Sweden (EXPRESS)
- 2010
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In: Acta Paediatrica. - : Wiley. - 0803-5253 .- 1651-2227. ; 99:7, s. 978-992
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Journal article (peer-reviewed)abstract
- Aims: The aim of this study was to determine the incidence of neonatal morbidity in extremely preterm infants and to identify associated risk factors. Methods: Population based study of infants born before 27 gestational weeks and admitted for neonatal intensive care in Sweden during 2004-2007. Results: Of 638 admitted infants, 141 died. Among these, life support was withdrawn in 55 infants because of anticipation of poor long-term outcome. Of 497 surviving infants, 10% developed severe intraventricular haemorrhage (IVH), 5.7% cystic periventricular leucomalacia (cPVL), 41% septicaemia and 5.8% necrotizing enterocolitis (NEC); 61% had patent ductus arteriosus (PDA) and 34% developed retinopathy of prematurity (ROP) stage >= 3. Eighty-five per cent needed mechanical ventilation and 25% developed severe bronchopulmonary dysplasia (BPD). Forty-seven per cent survived to one year of age without any severe IVH, cPVL, severe ROP, severe BPD or NEC. Tocolysis increased and prolonged mechanical ventilation decreased the chances of survival without these morbidities. Maternal smoking and higher gestational duration were associated with lower risk of severe ROP, whereas PDA and poor growth increased this risk. Conclusion: Half of the infants surviving extremely preterm birth suffered from severe neonatal morbidities. Studies on how to reduce these morbidities and on the long-term health of survivors are warranted.
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| 6. |
- Austeng, Dordi
(author)
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Retinopathy of Prematurity in Infants Born Before 27 Weeks of Gestation : A National Population-based Study in Sweden During 2004-2007
- 2010
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Doctoral thesis (other academic/artistic)abstract
- Background: Improved neonatal care has resulted in an increasing population of surviving infants. Neonatal morbidity in preterm infants is, however, high, and retinopathy of prematurity (ROP) is one of the major neonatal morbidities. Observations have suggested that ROP might have a different course in extremely preterm compared to more mature infants. Aims: To study the incidence, natural history and treatment of the disease, and the implications regarding screening recommendations for the population of extremely preterm infants. Methods: A national, population-based study of neonatal morbidity in infants born before 27 gestational weeks was performed in Sweden during 2004 to 2007. ROP screening started in the 5th postnatal week and continued until the retina was completely vascularized. Results: Of the 506 infants surviving until the first ROP examination, 73% developed ROP; 38% mild ROP and 35% severe ROP. Ninety-nine infants (20%) were treated. A log-linear relationship was found between severe ROP and gestational age (GA) at birth, and the risk of ROP was reduced by 50% for each week of increase in GA at birth (Paper I). Postmenstrual age (PMA) at onset of ROP was significantly related to GA at birth, as was the site of onset of ROP. ROP had a predilection to start in the nasal retina in the most immature infants. There were significant relations between PMA at onset of ROP and severity of ROP as well as between the site of onset of ROP and severe ROP (Paper III). The most immature infants had a higher risk of reaching treatment criteria for ROP, a higher risk of progression from ROP 3 to treatment criteria, and they reached these criteria at an earlier PMA than the less immature infants (Paper II). According to our results, the first examination can be postponed until a PMA of 31 weeks in infants born before 27 weeks of gestation, since onset of ROP 3 did not occur before this age, and criteria for treatment were not reached before 32 weeks. The majority of infants (75%) were treated during a limited period, i.e. before a PMA of 39 weeks (Paper IV).
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| 7. |
- Austeng, Dordi, et al.
(author)
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Treatment for retinopathy of prematurity in infants born before 27 weeks of gestation in Sweden
- 2010
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In: British Journal of Ophthalmology. - : BMJ. - 0007-1161 .- 1468-2079. ; 94:9, s. 1136-1139
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Journal article (peer-reviewed)abstract
- AIMS: To study various aspects of treatment for retinopathy of prematurity (ROP) in a Swedish population of extremely preterm infants born before 27 weeks of gestation. METHODS: A national, prospective and population-based study was performed in Sweden from April 1, 2004 to March 31, 2007. The criteria for treatment of ROP accorded with the recommendations of the Early Treatment for Retinopathy of Prematurity Cooperative Group. RESULTS: Twenty percent of the infants (99/506) were treated for ROP. The likelihood of reaching treatment criteria nearly doubled for each week of reduction in gestational age (GA) at birth. The first treatment was performed at an earlier postmenstrual age in the most immature infants. One third of the infants had more than one session of laser treatment. CONCLUSIONS: A high percentage of these extremely preterm infants required treatment for ROP. The likelihood of reaching treatment criteria increased with a decline in GA at birth. Although only a few infants progressed to ROP Stages 4 and 5, our findings indicate a potential for improvement of the treatment routines, both regarding timing and number of laser spots at the first treatment.
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| 8. |
- Bajic, Dragan, et al.
(author)
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Hippocampal development at gestation weeks 23 to 36 : An ultrasound study on preterm neonates
- 2010
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In: Neuroradiology. - : Springer Science and Business Media LLC. - 0028-3940 .- 1432-1920. ; 52:6, s. 489-494
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Journal article (peer-reviewed)abstract
- INTRODUCTION: During fetal development, the hippocampal structures fold around the hippocampal sulcus into the temporal lobe. According to the literature, this inversion should be completed at gestation week (GW) 21. Thereafter, the hippocampal shape should resemble the adult shape. However, incomplete hippocampal inversion (IHI) is found in 19% of the common population. The aim of this study was to study fetal hippocampal development by examining neonates born preterm. METHODS: We analyzed cranial ultrasound examinations, performed as a part of the routine assessment of all preterm infants, over a 3-year period and excluded the infants with brain pathology. The final material consisted of 158 children born <35 GW. A rounded form (the ratio between the horizontal and vertical diameters of the hippocampal body <25 GW and >/=25 GW was statistically highly significant (p < 0.001). The frequency of bilateral IHI was highest in the youngest age group. In the other groups, the left-sided IHI was the most common. CONCLUSION: In about 50% of the neonates, hippocampal inversion is not completed up to GW 24; but from 25 GW onwards, the frequency and laterality of IHI is similar to that in the adult population.
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| 9. |
- Baylis, Rebecca, et al.
(author)
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First-time events between parents and preterm infants are affected by the designs and routines of neonatal intensive care units
- 2014
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In: Acta Paediatrica. - : Wiley-Blackwell. - 0803-5253 .- 1651-2227. ; 103:10, s. 1045-1052
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Journal article (peer-reviewed)abstract
- Aim: Early parental bonding with preterm babies is particularly important, and the aim of our study was to explore when parents experienced what they regarded as important events for the first time while their infant was in the neonatal intensive care unit (NICU).Methods: The study was part of a longitudinal project on Kangaroo Mother Care at two Swedish university hospitals. The parents of 81 infants completed questionnaires during their infants' hospital stay.Results: Most parents saw and touched their infants immediately after birth, but only a few could hold them skin to skin or swaddle them. Other important events identified by parents included the first time they performed care giving activities and did so independently, interaction and closeness with the infant, signs of the infant's recovery and integration into the family. The timing of the events depended on the physical design of the NICU, whether parents' could stay with their infant round-the-clock and when they were allowed to provide care under supervision and on their own.Conclusion: The design and routines of the NICU dictated when parents first interacted with their infants. Clinical guidelines that facilitate early contact with preterm babies can help parents to make the transition to their parental role.
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| 10. |
- Blomqvist, Ylva Thernström, 1974-, et al.
(author)
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Initiation and extent of skin-to-skin care at two Swedish neonatal intensive care units
- 2013
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In: Acta Paediatrica. - : Wiley. - 0803-5253 .- 1651-2227. ; 102:1, s. 22-28
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Journal article (peer-reviewed)abstract
- Aim To describe initiation and extent of parents application of skin-to-skin care (SSC) with their preterm infants at two Swedish neonatal intensive care units.Methods The duration of SSC was recorded in 104 infants medical charts during their hospital stay, and the parents answered a questionnaire.Results Both parents were involved in the practice of SSC. Three infants experienced SSC directly after birth, 34 within 1 h, 85 within 24 h and the remaining 19 at 2478 h postbirth. SSC commenced earlier (median age of 50 min) in infants whose first SSC was with their father instead of with their mother (median age of 649 min: p < 0.001). The earlier the SSC was initiated, the longer the infant was cared for skin-to-skin per day during his/her hospital stay (p < 0.001). The median daily duration of SSC was 403 min.Conclusion Early initiation of SSC had positive impact on the extent of parents application of SSC. Even though the infants in this study were cared for skin-to-skin to a high extent, there is a potential for extended use of SSC in this type of hospital setting for reducing separation between infants and parents.
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