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Neurodevelopment of children exposed in utero to antidepressant drugs.

BACKGROUND: Many women of reproductive age have depression, necessitating therapy with either a tricyclic antidepressant drug or a drug, such as fluoxetine, that inhibits the reuptake of serotonin. Whether these drugs affect fetal neurodevelopment is not known. METHODS: We studied the children of 80 mothers who had received a tricyclic antidepressant drug during pregnancy, 55 children whose mothers had received fluoxetine during pregnancy, and 84 children whose mothers had not been exposed during pregnancy to any agent known to affect the fetus adversely. The children's global IQ and language development were assessed between 16 and 86 months of postnatal age by age-appropriate Bayley Scales of Infant Development or the McCarthy Scales of Children's Abilities (for IQ) and the Reynell Developmental Language Scales. RESULTS: The mean (+/-SD) global IQ scores were 118+/-17 in the children of mothers who received a tricyclic antidepressant drug, 117+/-17 in those whose mothers received fluoxetine, and 115+/-14 in those in the control group. The language scores were similar in all three groups. The results were similar in children exposed to a tricyclic antidepressant drug or fluoxetine during the first trimester and those exposed throughout pregnancy. There were also no significant differences in temperament, mood, arousability, activity level, distractibility, or behavior problems in the three groups of children. CONCLUSIONS: In utero exposure to either tricyclic antidepressant drugs or fluoxetine does not affect global IQ, language development, or behavioral development in preschool children.

Adult↗

Accommodative esotropia during the first year of life.

Two infants developed accommodative esotropia during their first six months of life. One infant, whose age at onset was 4 1/2 months, had 4.50 diopters of hyperopia. The second infant, whose age at onset was 5 months, had 3.50 diopters of hyperopia. In both infants, the eyes completely aligned with hyperopic correction. Two points are stressed. First, when the amount of hyperopia exceeds +3.00, consideration should be given to an accommodative element as the cause of the esotropia, even if the child is only 4 to 6 months old. Second, even with small angles of esotropia, an accommodative element should be considered, if there is a substantial amount of hyperopia.

Accommodation, Ocular↗

Liposomal amphotericin B (AmBisome) in the treatment of neonatal candidiasis in very low birth weight infants.

UNLABELLED: AmBisome (2.5-7 mg/kg/day as a continuous 1 h infusion) was evaluated prospectively from September 1994 to January 1998 in 24 very low birth weight infants (mean birth weight 847+/-244 g, mean gestational age 26 weeks) with systemic candidiasis. Mean age at onset of candidemia was 17 days. One patient had two episodes of candidiasis. Thirteen infants failed previous antifungal therapy with amphotericin B (with or without 5-flucytosine). Candida spp. were isolated from the blood in all 25 episodes and from skin abscesses and urine in four infants each, respectively. There were 13 isolates of Candida albicans, ten of Candida parapsilosis, two of Candida tropicalis and one of Candida glabrata. One infant had a mixed infection with C. albicans and C. parapsilosis. The mean duration of therapy was 21 days; the cumulative AmBisome dose was 94 mg/kg. Fungal eradication was achieved in 92% of the episodes; mean duration of AmBisome therapy until achieving eradication was 9 days. Twenty (83%) infants were considered clinically cured at the end of treatment. No major adverse effects were recorded; one infant developed increased bilirubin and hepatic transaminases levels during therapy. Four (17%) infants died; in two of them (8%) the cause of death was directly attributed to systemic candidiasis. CONCLUSION: AmBisome represents an effective, safe and convenient antifungal agent in the therapy of systemic fungal infections in very low birth weight infants.

Age of Onset↗

Respiratory distress following elective repeat cesarean section.

The clinical course and chest radiographs of 47 infants with respiratory distress after elective cesarean section were reviewed. The mean difference between the gestational age determined prenatally and that postnatally was 2.6 +/- 1.6 weeks. However, 14 of the infants were delivered at term. All 47 infants required more than 40% oxygen, and 18 infants required a respirator. Fifteen infants developed a pneumothorax; one, a pneumopericardium; one, bronchopulmonary dysplasia; and one infant died. Chest radiographs and the clinical course were consistent with hyaline membrane disease in 17 patients; respiratory distress syndrome type II in 24; and in three the radiographic findings were normal. These data suggest that some of the respiratory morbidity subsequent to elective repeat cesarean section is not secondary to iatrogenic delivery of a premature infant, and that much of it is not due to hyaline membrane disease. These data emphasize that respiratory distress in an infant delivered by elective cesarean section does not necessarily suggest poor prenatal care in regard to the timing of delivery.

Cesarean Section↗

Portal venous gas and surgical outcome of neonatal necrotizing enterocolitis.

PURPOSE: The prognostic significance of portal venous gas (PVG) in neonatal necrotizing enterocolitis (NEC) for operative intervention (OP), neonatal complications, and mortality remains uncertain. The authors designed a long-term prospective study to describe the natural history of PVG related to these outcomes and to test the hypothesis that PVG does not mandate OP. METHODS: All infants admitted to a single center between October 1991 and February 2003 were evaluated weekly to identify all cases of NEC (defined as Bell stage II or higher). Demographic, radiological, surgical, and outcome data were abstracted prospectively. Radiographic studies were performed at the onset of illness and at subsequent 6- to 8-hour intervals or as clinically indicated. A single pediatric radiologist reviewed all radiographs. Values are expressed as mean +/- SD. Odds ratios and relative risk ratios are reported with 95% CIs. The level of significance was P < or = .05. RESULTS: After the exclusion of 24 infants with lethal diseases, major congenital or chromosomal anomalies, or recurrent episodes of NEC, 194 of 5891 infants developed NEC. The overall incidence of NEC was 3.7%. In 194 infants with NEC, the incidence of PVG was 33% (n = 64). Gestational age (30.8 +/- 4 vs 29.3 +/- 4.2 weeks; P = .02) but not birth weight (1609 +/- 761 vs 1434 +/- 810 g; P = NS) was greater in infants with PVG compared with infants without PVG (n = 130). Sixty-six (34%) infants with NEC underwent OP. Operative intervention occurred more frequently in infants with PVG compared with infants without PVG (OR, 2.5; CI, 1.37-4.76; P = .003)--only 48% of infants with PVG underwent OP. Among the variables, gestational age, severe NEC (Bell stage III), severe intramural gas (in all 4 abdominal quadrants), and the presence of PVG, severe NEC was most highly associated with OP (OR, 77.47; CI, 10.36-580.16; P < .0001). Bell stage III NEC was present in 98% of infants who underwent OP compared with 40% of infants without OP ( P < .0001). Of all infants with NEC, 37 (19%) died. Mortality was higher among infants who underwent OP (33% vs 12%; P < .0003). A multivariate regression model identified Bell stage III (OR, 3.74; CI, 1.20-11.62; P = .02), but neither PVG nor OP, to be significantly associated with mortality. Of interest is that survival in infants with PVG was greater (but not significantly so) than in infants without PVG in both OP (74% vs 59%) and non-OP (91% vs 87%) groups. Furthermore, 30 of 64 (47%) infants with PVG survived without OP, and of all 33 infants with PVG who did not undergo OP, 30 (91%) infants survived. CONCLUSIONS: Decision for OP should be based on the severity of NEC and not on the presence of PVG alone because nearly half of infants with PVG survive without OP. Overall, the presence of PVG does not increase the risk of mortality among infants with NEC. Severe NEC, but not OP, is associated with higher mortality.

Chi-Square Distribution↗

Cows' milk protein-sensitive enteropathy. An important factor in prolonging diarrhoea of acute infective enteritis in early infancy.

The possible role of cows' milk protein in prolonging diarrhoea in very young infants with acute infective enteritis was studied in 14 infants, 9 under the age of 2 months and 5 older than 6 months. Bacterial pathogens were isolated from the stools of 4 infants from the younger age group. After appropriate initial treatment the infants were maintained on a cows' milk protein-free formula. 6 weeks later jejunal biopsies were performed before and 24 hours after challenge with a low lactose cows' milk protein formula. The immunoglobulin and complement levels in the serum and duodenal juice were also estimated at these times. Attempts to isolate bacterial and viral pathogens in stools were again made in all patients. The 5 older infants clinically tolerated cows' milk protein and their pre- and postchallenge jejunal biopsies were within normal limits. However, significant histological changes were observed in the postchallenge jejunal biopsies of all 9 infants under 2 months of age. In addition, 5 of these infants developed diarrhoea. This suggests that the jejunal mucosa of very young infants previously fed a cows' milk protein-based formula and who contract infective enteritis suffers damage when rechallenged with cows' milk protein.

Animals↗

Incidence of ROP in two consecutive Swedish population based studies.

AIMS: To prospectively analyse the present incidence of ROP (retinopathy of prematurity) in a well defined geographical area in Sweden, and to compare it with that from a decade earlier in exactly the same area. METHODS: Infants born between 1 August 1998 and 31 July 2000 with a birth weight of 1500 g or less were studied. They were screened for ROP from 5 weeks of postnatal age until the retina was entirely vascularised. The incidence of ROP, with its various stages, was compared with that of a previous (1988-90) population based study in the same geographical area. RESULTS: The incidence of ROP in the present study was 36.4% (mild (18.2%) and severe ROP (18.2%)), which was similar to that of the previous study. Gestational age at birth remained the most important risk factor for ROP. We found a change in the distribution of ROP. The probability of ROP, particularly severe ROP, was highest in the most immature infants while it was lower in the least immature ones. CONCLUSIONS: The incidence of ROP remained the same in two consecutive population based studies. The more "mature" infants developed ROP, particularly severe ROP, less often, while the most immature infants had ROP more often, particularly severe ROP.

Birth Weight↗

A characteristic EEG pattern in neonatal herpes simplex encephalitis.

EEGs were obtained on six infants with herpes simplex virus (HSV) encephalitis. The first EEG of four of these infants showed a unique multifocal periodic or quasiperiodic pattern; in one of these, a periodic pattern subsequently replaced the quasiperiodic pattern. A fifth infant developed a quasiperiodic pattern on the eighteenth day. All of these infants died or were left with severe encephalopathy. A sixth infant was diagnosed and therapy initiated on day 2. The periodic pattern did not appear in any of this infant's EEGs, and at age 8 months he showed only a moderate motor delay. A periodic EEG in a young infant with partial motor seizures and CSF lymphocyte pleocytosis is virtually diagnostic of HSV encephalitis.

Antiviral Agents↗

Vitamin A status in preterm and term infants at birth.

Vitamin A status was determined in infants born at term or prematurely to assess if vitamin A levels at birth were related to gestational age. Vitamin A levels were measured in cord blood samples from 13 infants born at term and in blood samples obtained within two hours of birth in 26 preterm infants (median gestational age 31 weeks, range 27-35). None of the preterm infants developed chronic lung disease. The vitamin A levels of the term infants (median 0.71 mumol/l, range 0.34 to 1.27) were significantly higher than those of infants born preterm (median 0.35 mumol/l, range 0.12 to 1.22), p < 0.01. Vitamin A levels correlated significantly with gestational age (vitamin A level = 0.024 gestational age (weeks) -0.23, r = 0.39, p < 0.02. We thus conclude that gestational age must be taken into account when interpreting vitamin A levels.

Chronic Disease↗

Perinatal asphyxia and outcome of very low birthweight infants.

Seventy-eight very low birthweight (VLBW) infants (whose birthweights were 1500 g or less) were admitted to the Neonatal Special Care Unit in 1977. Seventy-two of them required treatment in the intensive care area; these represented 40% of admissions to that area of the Unit. The mortality rate was 20% for infants weighing 1001 g to 1500 g, and 52% for those weighing 501 g to 1000 g. An Apgar score of 0 to 3 at two minutes and five minutes was reported in 34% and 19% of VLBW infants respectively. Although there was no difference in birthweight between the groups with a high or low Apgar score, the mortality rate of infants with a five-minute Apgar score of 0 to 3 was 79% compared to 22% in those with a score of 4 to 10. Over 50% of the infants developed hyaline membrane disease regardless of Apgar score. However, in the infants with a five-minute Apgar score of 0 to 3, the severity of respiratory insufficiency was increased as indicated by increased requirement for high inspired oxygen, and the need for intermittent positive pressure ventilation. The duration of stay in the neonatal intensive care area, and the total length of hospital stay of the 49 VLBW survivors were shorter in the group with higher two-minute and five-minute Apgar scores. Long-term morbidity cannot yet be ascertained. It is likely that prevention, or prompt detection, and appropriate management of perinatal asphyxia would produce a further decline in mortality as well as morbidity for VLBW infants.

Acute Disease↗

Growth and development of twins compared with singletons at ages one and four years.

OBJECTIVE: To compare the growth and development of twins with normal control singletons and also with matched 'high risk' singletons, at one and four years of age. DESIGN: A four year prospective follow up study. SETTING: High risk clinic (HRC) of a referral hospital. SUBJECTS: Twin pairs enrolled in the HRC; normal full term singleton controls; and high risk "matched" singletons enrolled in the HRC. METHODS: The height, weight and head circumference was measured at one and four years. Development was assessed at 1 year using the Bayley Scales of Infant Development. At 4 years, the intelligence quotient was determined by the Stanford Binet Intelligence Scale. RESULTS: Forty two twins and an equal number of controls were assessed at one year. All the twins weighed less than 2 kg at birth. They lagged behind in all three parameters of growth, namely, height, weight and head circumference. AT 4 years, 24 twins came for follow up. Although, they had caught up for head circumference, they lagged behind in height and weight, particularly the group of fourteen SGA twins. The growth parameters of LBW twins and LBW matched singletons did not show any significant difference. At one year, the development of twins was within normal limits although the motor quotients were significantly lower than that of controls. At 4 years, the intelligence quotients of twins were well within normal limits. CONCLUSIONS: Twins were lighter and shorter than controls at four years, particularly the SGA twins. The growth parameters of LBW twins and LBW matched singletons showed no significant difference. The intelligence of twins was normal at four years.

Age Factors↗

Otitis media and language development at 1 year of age.

The effect of otitis media on emerging language was examined in a group of 1-year-olds. Based on pneumatic otoscopy, 15 babies were considered to be free of otitis media in both ears at 80% or more of their first year medical visits (otitis free) and 12 infants had bilaterally positive otoscopy results at 30% or more of their visits (otitis positive). Outcome measures at 1 year included the Bayley Scales of Infant Development (Bayley, 1969) and the Sequenced Inventory of Communication Development (SICD; Hedrick, Prather, & Tobin, 1984) Receptive and Expressive scales. No significant differences were detected on either the Bayley or the SICD Receptive scale. However, the otitis positive group exhibited significantly lower expressive language scores than the otitis free group, suggesting that impairments in language expression may be evident as early as 1 year of age in children with otitis media.

Acoustic Impedance Tests↗

[Neonatal exchange transfusion with irradiated whole blood. Preliminary results].

Some clinical manifestations following exchange transfusion (ET) could result from graft versus host disease secondary to the introduction of viable foreign T lymphocytes: skin rash, fever, acute and sometimes bloody diarrhea or enterocolitis. Between February 1985 and January 1989 the blood used for 31 ET was irradiated at 40 grays. We compared the manifestations occurring during the days following ET to those occurring after 44 previous ET with non irradiated blood during the period January 1981 to January 1985. From 1981 to 1985, 13 of 44 infants developed problems within 3 days following ET: an erythematous macular skin rash in 4; gastrointestinal manifestations (diarrhea, vomiting and rectal bleeding, necrotizing enterocolitis) in 7; both skin lesions and a gastrointestinal problem in 2. Since 1985, 27 infants had no problems whereas only 4 developed gastrointestinal or cutaneous manifestations: NEC in a preterm infant, abdominal distension with rectal bleeding, fever and petechial rash in 2 infected infants. These data show a dramatic decrease of complications since the irradiation of blood products has been started: 30% with non irradiated, 13% with irradiated blood.

Exchange Transfusion, Whole Blood↗

Prenatal ultrasonography and early surgery for congenital cystic disease of the lung.

With the recent advent of prenatal ultrasound as a routine screening procedure, diagnosis of congenital cystic lung disease has been made in utero, raising the possibility of elective surgery for these lesions early in infancy before the patient develops respiratory distress or potentially life-threatening infection. From 1979 to 1989 six cases of congenital lung cyst were diagnosed in utero by prenatal ultrasound and followed during pregnancy. Two of the six were not confirmed after birth because the mothers preferred an abortion. The remaining four cases were studied periodically during gestation by ultrasonography. At birth, the first infant developed respiratory distress and underwent urgent left upper lobectomy and left lower segmentectomy at age 18 hours. The other three underwent elective lobectomy at age 10 days, 3 months, and 7 months, respectively. The fourth infant had a normal chest x-ray and ultrasound at birth, and the congenital cysts were confirmed by computed tomography scan. The pathological diagnosis in all four cases was cystic adenomatoid malformation. In two cases, intraoperative measurement of pulmonary function demonstrated significant improvement after resection of the affected lobe. We conclude that congenital lung cysts can be accurately diagnosed by prenatal ultrasound "screening" as early as 18 to 24 weeks' gestation. Advantages of early diagnosis include the option of moving the mother and unborn child to a high-risk obstetrical center for urgent operation on the newborn infant if necessary. Otherwise, once the diagnosis is confirmed, surgical correction can be performed electively and safely before respiratory distress or pulmonary infection complicates the infant's growth and development.

Cystic Adenomatoid Malformation of Lung, Congenita↗

Recognizing the clinical features of Trisomy 13 syndrome.

Recognition of the clinical features of Trisomy 13 syndrome, a common autosomal trisomy, provides the basis for diagnostic testing and counseling of families. This article provides a systematic guide to physical assessment and photographs to enhance recognition of this genetic disorder. The principles of numerical chromosomal abnormalities as related to trisomies are reviewed. An abnormal development of the forebrain, holoprosencephaly, is the most common cranial abnormality in infants with Trisomy 13. The embryology and implications of holoprosencephaly are described. A discussion of antenatal diagnosis of Trisomy 13 and delivery room management is also provided. The diagnosis of Trisomy 13 is confirmed antenatally or after delivery with genetic testing. Prognosis of infants with Trisomy 13 and implications for the infants development are described.

Abnormalities, Multiple↗

Epidemiology of strawberry haemangioma in low birthweight infants.

The prevalence of cutaneous haemangiomas in a representative population of low birthweight infants was determined by tracing and assessing survivors of pre-school age. Data from hospital case-notes and follow-up assessments were used to investigate whether prevalence of haemangiomas was related to perinatal factors and childhood morbidity. Eleven point one per cent of 615 infants developed a haemangioma. Haemangiomas were more common in girls than boys, and in infants of lower gestational age. Hypothermia in the first hours of life and neonatal illness were associated with lower prevalence, suggesting that neonatal skin perfusion influences haemangioma development; this is consistent with a tendency for haemangiomas to be distributed centripetally. However, the major aetiological determinants are unknown. Children with a haemangioma were more likely to have had a febrile convulsion than those without a haemangioma.

England↗

Cognition, communication, and hearing in young children with cleft lip and palate and in control children: a longitudinal study.

OBJECTIVE: To compare a group of children with cleft lip and palate (CLP) with a group of noncleft, matched control children on measures of cognitive development, speech and language abilities, and audiologic status at 12 and 24 months of age. DESIGN: Using a prospective, longitudinal study design, a group of 16 children with CLP and a group of 16 noncleft control children matched for race, sex, birth order, and socioeconomic status were compared using the Bayley Scales of Infant Development, the Receptive-Expressive Emergent Language Scale, the Sequenced Inventory of Communication Development-Revised (SICD-R), the Preschool Language Scale-Revised (PLS-R), the mean length of utterance, audiometric evaluation, and impedance screening at 12 and 24 months of age. All were free of other congenital abnormalities or known causes of neurodevelopmental dysfunction. RESULTS: Children with CLP had lower mental developmental index (MDI) and psychomotor developmental index scores than control children. They had lower language comprehension scores on the SICD-R and PLS-R and lower expressive language scores on the Receptive-Expressive Emergent Language Scale, SICD-R, and PLS-R than control children. The group with CLP had a significantly higher number of children with abnormal tympanogram results or ventilation tubes at 12 and 24 months. There was a positive correlation between language test scores at 24 months and MDI scores at 24 months (r = .73 to .85). Seventy-five percent of children with CLP who had hearing loss at 12 months had MDI scores more than 1 SD below the mean versus 0% of children with normal hearing. There was a relationship between hearing status at 12 months and comprehension and expressive language scores at 24 months. CONCLUSIONS: Children with CLP had significantly lower scores on tests of cognition, comprehension, and expressive language abilities than matched control children at 12 and 24 months of age. They also had a higher frequency of middle-ear disease and ventilation tubes than control children, although no significant difference in hearing sensitivity was found between groups. Early identification and treatment of these delays may reduce subsequent verbal deficits, hearing loss, and academic difficulties.

Acoustic Impedance Tests↗

Head growth and neurodevelopment of infants born to HIV-1-infected drug-using women.

OBJECTIVE: To describe neurodevelopment and head growth in HIV-1-infected and exposed uninfected infants with and without in utero exposure to opiates and cocaine. METHODS: Using data from a multicenter cohort study of HIV-1-infected women and their children, the authors fit repeated measures regression models to estimate the effects of HIV-1 infection and in utero hard drug exposure on head circumference and Bayley Scales of Infant Development standard scores during the first 30 months. RESULTS: Of the 1,094 infants included in the analysis, 147 (13%) were HIV-1-positive and 383 (35%) were exposed in utero to opiates or cocaine (drug-positive). Mean 4- month Bayley mental scores were lower in infants with only HIV-1 positivity (HIV-positive and drug-negative) (-8.2 points, p < 0.0001) or only drug exposure (HIV-negative and drug-positive) (-4.4 points, p = 0.0001) and tended to be lower in infants with both factors (HIV-positive and drug-positive) (-3.7 points, p = 0.0596), compared with those who were HIV-1-negative and not drug exposed (HIV-negative and drug-negative). However, by 24 months of age, there was no longer a decrement among HIV-negative and drug-positive infants, whereas HIV-1 infection was still associated with a decrement relative to uninfected infants. Similar results were seen for Bayley motor scores and for head circumference Z scores. CONCLUSIONS: HIV-1 infection and in utero opiate and cocaine exposure decrease birth head circumference and slow neurodevelopment at 4 months. At 24 months of age, however, only HIV-1 infection is associated with decreased neurodevelopment and head circumference. There may be some postnatal recovery from the effects of in utero hard drug exposure. Importantly, the detrimental effects of HIV-1 positivity and maternal hard drug use on neurodevelopment at 4 months are not additive, although they are additive for birth head circumference.

Adolescent↗