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Premature delivery is common in pregnancies complicated by maternal diabetes. However, the outcome of very-low-birth-weight infants (VLBWI) born to mothers with diabetes is not known. Employing a matched double-cohort design, we investigated the influence of maternal diabetes on the outcome of VLBWI born in Winnipeg from 1988 to 1994. We compared mortality rates and early and late morbidity rates in VLBWI born to mothers with diabetes mellitus (DM) (cases, n = 43, 23 with gestational DM and 20 with pregestational DM) and without DM (controls, n = 539). Controls were matched for gestational age (GA), sex, and the year of birth. All subjects were enrolled in the Newborn Follow-Up Program. Relative risks and 95% confidence limits were calculated for each variable and Chi 2 analysis, Student t-test, and Mann-Whitney test were used as appropriate for analysis. Diabetes mellitus control was assessed by conventional criteria. There were no differences between cases and controls in mode of delivery, birth weight (mean +/- SD, 1,160 +/- 25 g vs 1,110 +/- 26 g), GA (29 +/- 2.8 wk vs 29 +/- 2.4 wk), smallness for gestational age (35% vs 30%), head circumference (26.5 +/- 1.9 vs 26.2 +/- 2.2 cm), length (38.8 +/- 2.8 vs 37.5 +/- 3.7 cm), Apgar score < 4 at 1 min (42% vs 40%) and < 7 at 5 min (37% vs 42%). Incidence of hyaline membrane disease (60% vs 71%), bronchopulmonary dysplasia (33% vs 31%), patent ductus arteriosus (30% vs 43%), necrotizing enterocolitis (12% vs 12%), sepsis (23% vs 25%), acute renal failure (9% vs 10%), intraventricular hemorrhage--all grades (74% vs 64%), retinopathy of prematurity--all stages (30% vs 26%), median days on ventilator (4 vs 4 days), and median days on supplemental oxygen (46 vs 42 days) were similar in both groups (p = NS, 95% confidence limits included 1 for all of these variables). There was no significant difference in mortality (21% vs 15%) or the incidence of major congenital anomalies. Weight, head circumference, and length at 6, 12, and 18 months were similar in both groups. There were no group differences in developmental quotients, prevalence of neurodevelopmental impairments, respiratory morbidity, or number of hospitalizations up to the last follow-up (18 months). Our data suggest that with contemporary perinatal care there is no significant increase in mortality rates or early and late morbidity rates between VLBWI born to mothers with DM and VLBWI of nondiabetic mothers. It seems that with reasonable diabetic control, prematurity rather than the diabetic state determines the neonatal outcome, and this knowledge can be useful in parental counselling.
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PMID:Outcome of very-low-birth-weight (< 1,500 grams) infants born to mothers with diabetes. 1236 10

Retinopathy of prematurity (ROP) was first described by Terry in 1942. ROP is considered a multifactorial disease. Low gestational age, low birth weight and oxygen therapy are recognized as risk factors for this condition. Other risk factors including multigestational pregnancy, white race, sepsis, NEC, BPD, intraventricular hemorrhage, lung maturation, steroid treatment, blood transfusions and light exposure were identified by multiple studies. We aim to review these studies in order to identify the independent risk factors for the development of ROP. The reviewed studies confirm that low birth weight, low gestational age, prolonged oxygen treatment and blood transfusions are statistically significant risk factors for the development of ROP. The incidence of all stages of ROP is similar for Caucasian and black infants, although the occurrence of threshold ROP was found higher in the Caucasian group. No relationship was demonstrated between light exposure and the development of ROP. The studies reviewed show decreased frequency and severity of ROP in neonates of mothers who had received antenatal steroid therapy. The findings concerning the influence of postnatal steroid treatment on the incidence of ROP are controversial.
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PMID:[Retinopathy of prematurity--risk factors]. 1253 6

We report the morbidity and mortality in extremely low birth weight neonates (ELBW) from a tertiary care hospital over seven years (1994-2000). Data regarding maternal and neonatal details was obtained from old records, computer database and medical files. Of the 12,807 live births during this period, 137 (1.07%) were ELBW infants. All of them were managed without surfactant. Overall, 67 infants (48.7%) survived to discharge. The most commonly encountered morbidities were hyperbilirubinemia(65%), respiratory distress(65%), sepsis(52%), intraventricular hemorrhage(29%), pneumonia (25%) and retinopathy of prematurity(24%). Need for resuscitation, pulmonary hemorrhage, seizures, acute renal failure, sclerema and air leak syndromes were significantly associated with mortality. Sepsis accounted for 41% of all deaths while immaturity was the second most important cause, accounting for 24% deaths. The average length of stay for survivors was 49 days (SD +/- 15.9 days)
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PMID:Survival and morbidity in extremely low birth weight (ELBW) infants. 1262 27

Our purpose was to determine mortality and morbidity rates and selected outcome variables for infants weighing less than 1500 g, who were admitted to the neonatal intensive care unit of our hospital from 1997 to 2000. The ultimate goal of the study was to define a model for developing a regional database. Information on all very low birth weight (VLBW) admissions to a tertiary level neonatal intensive care unit (NICU) in Ankara between January 1997 and December 2000 was prospectively collected by three neonatologists using a standard manual of operation and definitions. The data consisted of patient information including sociodemographic characteristics; antenatal history; mode of delivery; APGAR scores; need for resuscitation; admission illness severity (Clinical Risk Index for Babies-CRIB) and therapeutic intensity (Neonatal Therapeutic Intensity Scoring System-NTISS); selected NICU parameters and procedures such as respiratory support, surfactant therapy, and postnatal corticosteroid therapy; and selected patient outcomes such as intraventricular hemorrhage, septicemia, necrotizing enterecolitis, retinopathy of prematurity, and chronic lung disease. The number of VLBW admissions to the NICU was 133, with 51 (28.6%) referrals from other maternity centers. The mean birth weight and gestational age of the infants were 1175 +/- 252 g and 30.3 +/- 2.9 weeks, respectively. One hundred and seventeen of 133 cases (88.7%) received at least one antenatal care visit. The median CRIB and NTISS scores were 4.5 and 31, respectively. Antenatal steroids had been given to 74 (55.6%) infants. Surfactant treatment and respiratory support were given to 33 (24.8%) and 73 (54.8%) infants, respectively. Among selected outcomes, chronic lung disease (CLD), threshold retinopathy of prematurity (ROP), severe intraventricular hemorrhage (IVH > or = grade III), nosocomial infection and necrotizing enterocolitis (NEC) were encountered in 14 (12.6%), 9 (8.1%), 3 (2.2%), 34 (25.5%) and 35 (26.3%) of the infants, respectively. Overall survival rate was 83.5% (111/133); most of the deceased cases were under 750 g (12/22). It was prospectively shown that 111 (100%) of the surviving infants could be regularly followed in a newborn follow-up clinic to provide health maintenance, developmental assessment and support. Compared with reports from other developing countries, VLBW infants at our center had higher survival rates. Compared to developed countries, survival rate was lower, especially for extremely very low birth weight infants. There is interaction between birth weight and survival rate. Among selected neonatal outcomes, chronic lung disease, threshold retinopathy, severe intraventricular hemorrhage (IVH > or = grade III) and nosocomial infection rates at this center were comparable with some reports from developed nations.
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PMID:Outcomes of very low birth weight infants in a newborn tertiary center in Turkey, 1997-2000. 1476 90

We studied the maternal and neonatal profile and outcome of extremely low birth weight (ELBW) babies at the level III neonatal intensive care unit (NICU) in Delhi. Case records of ELBW inborn babies delivered between August 2000 and August 2001 were analysed by using a pre-set proforma. A total of 52 ELBW babies were admitted to the NICU in the relevant period, of whom 30 (57%) survived. Maternal anaemia, previous preterm delivery and pregnancy-induced hypertension (PIH) were the common predisposing factors for preterm delivery. Mean gestational age was 27.8 weeks and mean birth weight was 831 g. The highest mortality (55%) was seen in babies with 26-28 weeks'gestation and those in the birth weight category of < 800 g. Neonatal hyperbilirubinaemia (78%) and hyaline membrane disease/respiratory distress syndrome (65%) were the most common causes of morbidity. A total of 25 babies were mechanically ventilated while 24 (46%) received total parenteral nutrition. Sepsis, pulmonary haemorrhage, intracranial haemorrhage and necrotizing enterocolitis accounted for the deaths in the study population. Retinopathy of prematurity screening was performed in 35 babies (68%), of whom 22 were found to be normal. According to the International Classification of Retinopathy of Prematurity, most babies (72%) had involvement of zone 3 and stage I (63%). The incidence was highest in 26-28 weeks'gestation babies (71%) and the < 800 g birth weight category (62%). Maternal risk factors such as anaemia and PIH commonly predispose to preterm delivery. There is an alarmingly high mortality in this population. Effective steps are required not only to avoid extreme prematurity but also to reduce morbidity and mortality of all newborns weighing <1000 g at birth.
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PMID:Maternal and neonatal profile and immediate outcome in extremely low birth weight babies in Delhi. 1526 50

Recent clinical outcomes for the Newborn Intensive Care Unit (NICU) at Providence Alaska Medical Center based on Alaska Neonatology's Clinical Outcomes Database are presented. There has been a decrease in overall mortality, with much of the improvement occurring in babies from 22 to 25 weeks gestation in the years 1998--2002. There has also been a decrease in the incidence of severe intraventricular hemorrhage / periventricular leukomalacia. Earlier discharge of babies has also been documented, as measured by post conceptual age at discharge. No improvement in the incidence of retinopathy of prematurity and nosocomial sepsis were seen. Rates of chronic lung disease and babies going home in oxygen have increased. Outcomes that have failed to improve are the focus of quality improvement initiatives. Clinical outcome information systems such as the NICU outcomes database are essential for assessing clinical performance and provide the foundation and focus for quality improvement initiatives.
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PMID:Clinical outcomes for newborn intensive care in Alaska. 1556 29

The aim of this study was to assess the effectiveness of active intervention with antenatal maternal corticosteroid and antibiotics therapy in infants delivered between 24 and 28 weeks of gestation after premature rupture of membrane. This retrospective study included pregnant women complicated by preterm delivery at the Dong-A University Hospital from 1998 to 2002. Patients were divided into labor induction group 1 (n=20), observation group 2 (n=19), and medication group 3 (n=20). We evaluated the effects of prolongation of pregnancy and intervention with maternal corticosteroids and antibiotics therapy on perinatal and neonatal outcomes. Each group did not have a significant difference (p<0.05) in neonatal outcomes, such as respiratory distress syndrome, intraventricular hemorrhage, necrotizing enterocolitis, retinopathy of prematurity, pneumonia, bronchopulmonary dysplasia, and sepsis. The mean latency period was 4.7 days and 7.6 days in groups 2 and 3, respectively. Therefore, this study was unable to demonstrate any beneficial effects of corticosteroids in improving neonatal outcomes and prolongation of the latency period with antibiotics.
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PMID:Effect of antenatal corticosteroid and antibiotics in pregnancies complicated by premature rupture of membranes between 24 and 28 weeks of gestation. 1571 10

There are many risk factors contributing to retinopathy of prematurity (ROP). Some are still controversial, including the use of glucocorticoid and intraventricular hemorrhage. Hence, a retrospective study was performed to evaluate the association between the suspected risk factors and ROP in a medical center in southern Taiwan. One hundred fifty-nine infants with birth body weight < 1600 g admitted to our neonatal intensive care unit before the 29th day of life were enrolled into this study. Clinical data were analyzed by means of logistic regression. The prevalence of ROP in all infants (birthweight < 1600 g) is 36.48% (58 of 159) and 59.46% (22 of 37) in extremely low birthweight infants (birthweight < or = 1000 g). One infant with gestational age 32 weeks and birthweight 1420 g developed stage III ROP. Logistic regression revealed six factors to be significant variables. Birthweight < or = 1000 g, intraventricular hemorrhage, sepsis, and use of glucocorticoid or dopamine were risk factors associated with higher incidence of ROP. Supplementation of vitamin E was shown to relate to lower incidence of ROP. This study confirms several risk factors recognized in previous statistical analyses. Sepsis is the most significant factor contributing to ROP. Vitamin E was proven to be effective in prophylaxis of development of ROP. The possibility of development of ROP could not be excluded in infants with gestational age > 32 weeks.
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PMID:Risk factors of retinopathy of prematurity in premature infants weighing less than 1600 g. 1573 92

Preterm infants are at risk of developing sepsis, necrotizing enterocolitis (NEC), chronic lung disease (CLD), and retinopathy of prematurity (ROP). We used high-throughput mass spectrometry to investigate whether cord blood proteins can be used to predict development of these morbidities. Cord blood plasma from 44 infants with a birth weight of <1500 g was analyzed by surface-enhanced laser desorption/ionization time-of-flight mass spectrometry (SELDI-TOF). Six infants developed ROP >or=stage II, 10 CLD, three sepsis, and one NEC. We detected 814 protein signals representing 330 distinct protein species. Nineteen biomarkers were associated with development of >or=stage II ROP [false-discovery rate (FDR) <5%] and none with CLD. Several proteins with molecular weight (Mr) 15-16 kD and pI 4-5 were detected with increased abundance in infants with ROP, while similar Mr proteins with pI 7-9 were less abundant in these patients. Sodium dodecylsulfate-polyacrylamide gel electrophoresis (SDS-PAGE) and sequence analysis identified these proteins as alpha-, beta-, and gamma-globin chains. Partial deamidation of Asn139 in beta-globin chains was observed only in the pI 4-5 proteins. We conclude that there are several promising biomarkers for the risk of ROP. Deamidation of globin chains is especially promising and may indicate underlying prenatal pathologic mechanisms in ROP. Validation studies will be undertaken to determine their clinical utility.
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PMID:A potential biomarker in the cord blood of preterm infants who develop retinopathy of prematurity. 1723 25

With improved survival of very low birth infants in India, Retinopathy of Prematurity (ROP) is emerging as a significant problem. The most important risk factor in the pathogenesis of ROP is prematurity. Other factors like, problems with oxygenation frequent blood transfusions, sepsis and apnea have also been implicated in the causation of ROP. Essentially asymptomatic in the initial stages, a good screening program is essential for the early detection and treatment of this condition. Description of the various stages of ROP has been included in the protocol. Guidelines regarding the procedure of dilatation, ophthalmic examination and treatment (if required) have been provided. Close co-operation between the ophthalmologist and neonatologist is essential for a successful outcome.
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PMID:Retinopathy of prematurity. 1824 40


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