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Biomedical subjects

H J Huisjes

Publications and source records attributed to H J Huisjes.

At least 19 recordsLinked to original sources
PubMed1995

The effects of 3g eicosapentaenoic acid daily on recurrence of intrauterine growth retardation and pregnancy induced hypertension.

OBJECTIVE: To study the effects of addition of 3 g eicosapentaenoic acid daily to the diet, on recurrence rate of intrauterine growth retardation and pregnancy induced hypertension in a high risk population. DESIGN: Prospective, double blind, randomised multicentre study. Eicosapentaenoic acid or placebo were given from 12 to 14 weeks of gestation onwards. SETTING: University Hospital and regional hospitals in the north of the Netherlands. SUBJECTS: Sixty-three women with a history of intrauterine growth retardation (birthweight < 10th centile) with or without pregnancy induced hypertension in the previous pregnancy. MAIN OUTCOME MEASURES: Birthweight centiles and signs of pregnancy induced hypertension in current pregnancy. RESULTS: One-third of the women developed pregnancy induced hypertension and one-third of the infants had a birthweight below the 10th centile. There were no differences between eicosapentaenoic acid and placebo group. CONCLUSION: Addition of 3 g eicosapentaenoic acid daily does not prevent recurrence of intrauterine growth retardation or pregnancy induced hypertension in a high risk population.

Birth Weight↗
PubMed1994

[Status of the job market of physicians who started their education in Groningen in 1982 and 1983].

OBJECTIVE: To determine the working experience and desires of doctors, who started their medical training approximately 10 years ago. DESIGN: Telephone inquiry. SETTING: University of Groningen, the Netherlands. METHOD: In the summer of 1993, 98% of medical graduates who started their training at the University of Groningen in 1982 of 1983 were questioned about working experience and wishes for the future. RESULTS: Over 70% worked as medical assistants in hospitals; most of them were not (yet) in training. Almost all male subjects and 4 out of 5 female subjects worked full time. Half of them wished to keep a full time job (two-thirds of the men, one-third of the women). CONCLUSION: When all working desires would be fulfilled, the future work time per doctor would be 86%. There is a great need for specialist training places.

Cohort Studies↗
PubMed1994

Neurobehavioural relationships after the onset of puberty.

The behavioural and cognitive development were studied of 68 children with and 259 without minor neurological function (MND) at 14 years, when the majority of children showed three or more physical signs of puberty. MND was differentiated into fine manipulative disability, co-ordination problems, choreiform dyskinesia and hypotonia. The normal group was subdivided into those who had been normal at 12 years and those who had had MND. All types of MND were related to cognitive and behavioural problems. Fine manipulative disability was related to behavioural and cognitive difficulties; co-ordination problems to learning difficulties; and choreiform dyskinesia and hypotonia were related to attention difficulties and school failure, notwithstanding normal IQ. Besides MND, socio-economic class, family adversities and female gender contributed to the development of behavioural and cognitive problems. The behaviour of children with MND at 12 years who were normal at 14 years did not differ from that of normal children.

Adolescent↗
PubMed1993

Minor neurological dysfunction after the onset of puberty: association with perinatal events.

In order to study the hypotheses that puberty is related to a decrease of minor neurological dysfunction (MND) and that persisting MND is associated with perinatal factors, two groups (174 normal, 172 MND) of the Groningen Perinatal Project were followed from 12 to 14 years. At 14 years almost all the children had entered puberty (n = 329) defined as the presence of three or more puberty signs. In the MND group 55% of the children were normal at 14 years and in 45% MND signs were still present, though in a less extensive form. The latter phenomenon was most clear in children who had just begun puberty. The effect of puberty was similar in both sexes. MND which persisted into puberty was related to neonatal neurological deviancy, lower social class, lower obstetrical optimality score and male sex. After differentiation with specific MND clusters, it appeared that fine manipulative disability was associated with neonatal neurological deviancy, with minor physical anomalies and with lower social class; choreiform dyskinesia with asphyxia; hypotonia with constitutionally related factors; and coordination problems with pre-maturity (< 32 weeks).

Adolescent↗
PubMed1993

Is minor neurological dysfunction at 12 years related to behaviour and cognition?

Behavioural and cognitive development at 12 years were studied in 172 children with and 174 children without minor neurological dysfunction (MND). MND could be differentiated into fine manipulative disability, co-ordination problems, hypotonia and choreiform dyskinesia. Fine manipulative disability related significantly to problems of cognition and behaviour; co-ordination problems to cognitive problems; and hypotonia and choreiform dyskinesia to behavioural problems, the former more than the latter. Socio-economic status and family adversity contributed to the risk for development of both cognitive and behavioural problems; gender did not. The onset of puberty seemed to change these relationships: follow-up is needed for definite conclusions.

Achievement↗
PubMed1992

Minor neurological dysfunction from birth to 12 years. I: Increase during late school-age.

To study the hypothesis that the frequency of minor neurological dysfunction (MND) stabilizes around the age of nine years, two groups of the Groningen Perinatal Project (GPP) were re-examined at 12 years. The study group (N = 174) was selected on the basis of the presence of MND at nine years; the control group comprised 172 neurologically normal children. The hypothesis was rejected: extrapolation of the findings to the total GPP population showed that the over-all rate of MND increased. Control children who developed MND were mainly boys who had been neurologically abnormal at birth or were born preterm and/or had experienced an adversity in combination with asphyxia. Interval complications between nine and 12 years were related to the emergence of MND.

Attention Deficit Disorder with Hyperactivity↗
PubMed1992

Minor neurological dysfunction from birth to 12 years. II: Puberty is related to decreased dysfunction.

To determine whether puberty is related to decreased minor neurological dysfunction (MND), 174 children from the Groningen Perinatal Project who had had MND at nine years were re-examined at 12 years. No signs of MND could be demonstrated in 39 of the children, 33 of whom showed at least three signs of puberty. The presence of minor physical anomalies was associated with persisting MND. The authors hypothesise that puberty is related to a decrease in MND, and discuss the role of hormonal changes in relation to the decrease in minor signs. Re-examination at 14 years will be necessary to confirm this hypothesis, since 68 per cent of the children had not yet reached puberty. Children with MND reached puberty no later than those without.

Adolescent↗
PubMed1992

Obstetrical condition and neonatal neurological outcome in Dominica, the Caribbean. A comparative study.

Risk factors during pregnancy and delivery and neurological morbidity of newborns were assessed in a birth cohort in Dominica, the Caribbean. The data were compared with two reference groups, one from Grenada, the Caribbean, and the other from Groningen, the Netherlands. Despite variations in cultural and socio-economic situation, the similarities in obstetrical conditions, neonatal neurological morbidity and perinatal relationships between the three groups were more striking than the differences. The Dominican group showed a significantly higher rate of preterm births than the two other groups. Preterm birth was associated with a significant increase in neurological deviancy. In general motility and muscle tone were found to be lower in the Caribbean region than in the Netherlands.

Apgar Score↗
PubMed1991

Antiepileptic medication in pregnancy: late effects on the children's central nervous system development.

In a follow-up study long-term effects of antenatal exposure to two anticonvulsant drugs, phenobarbital and carbamazepine on central nervous system development were evaluated. Children aged 6 to 13 years of epileptic mothers who used phenobarbital (n = 13), carbamazepine (n = 12), phenobarbital plus carbamazepine (n = 12), or no medication (n = 24) during pregnancy were studied. None of the mothers had seizures during pregnancy. A control group carefully matched for confounding variables was selected of children of nonepileptic mothers (n = 61). Minor and major congenital anomalies appeared to be more related to mother's epilepsy than to maternal medication. There were no neurologic differences between the groups. Exposure to phenobarbital was associated with smaller head circumference. An accompanying negative effect of phenobarbital on cognitive development was suggested. Further research on this intriguing phenomenon seems warranted.

Abnormalities, Drug-Induced↗
PubMed1991

Fatty acid composition of serum lipids of mothers and their babies after normal and hypertensive pregnancies.

The biochemical essential fatty acid (EFA) status of neonates born after normal and hypertensive pregnancies (PIH) and that of their mothers was assessed by measuring the fatty acid composition of phospholipids (PL), triglycerides (TG) and cholesterol esters (CE) of umbilical cord serum and maternal serum, respectively. Relative contents of linoleic acid of serum PL and CE were significantly lower in mothers with PIH compared to normal pregnancies. Most other (n-6) polyenes in PL tended to be higher under hypertensive conditions. Total maternal (n-3) polyenes of serum PL were significantly higher in PIH, mainly due to clupanodonic acid, 22:5 (n-3), and cervonic acid, 22:6 (n-3). Total maternal (n-7) and (n-9) fatty acids were also significantly higher in PIH (PL and CE). The results indicate that PIH is associated with a relative increased unsaturation of maternal serum PL, which might facilitate the placental transfer of long-chain, polyunsaturated fatty acids. As a result, the neonatal EFA status after PIH only slightly differs from normal.

Cholesterol Esters↗
PubMed1991

Nocturnal enuresis and minor neurological dysfunction at 12 years: a follow-up study.

On follow-up at 12 years to assess the relationship between minor neurological dysfunction (MND) and primary nocturnal enuresis (NE), the frequency of NE was found to be significantly higher in children with MND (N = 167) than in those who were neurologically normal (N = 174). There was no relationship between NE and sex in the MND group, nor with the neonatal neurological condition. Among MND children, those with NE more often had language comprehension and arithmetic problems and they required special help for behavioural problems more than did those without such problems. The relationship between NE and MND was affected by socio-economic class and family history. It is concluded that children with MND are more vulnerable to NE, particularly in the presence of lower social class and a positive family history.

Child↗
PubMed1990

Neonatal neurological morbidity in relation to obstetrical and social conditions in Grenada (Caribbean).

Neonatal morbidity, in particular neurological morbidity is a more relevant measure of the effectiveness of obstetrical care than perinatal mortality. Neurological morbidity was assessed in a birth cohort in Grenada, and appeared to be lower than in a reference group examined in Groningen, the Netherlands, in 1975-1978. Perinatal mortality, however, was higher. The results support the thesis that some children may have died who, if they would have survived, would have been neurologically abnormal. It is concluded that whereas a decrease in perinatal deaths is an essential goal in Grenada, a concomitant increase in morbidity should be carefully avoided.

Adolescent↗
PubMed1990

Biochemical EFA status of mothers and their neonates after normal pregnancy.

The essential fatty acid (EFA) status of neonates was compared with that of their mothers by determining the fatty acid compositions of phospholipids (PL), isolated from umbilical arterial and venous tissue, blood cells (BC) and plasma, from maternal venous plasma and BC, and from non-infarcted placental tissue. The PL of umbilical arterial tissue (efferent fetal vessels) contained fewer fatty acids of the (n-6) family and more of the (n-9) family than umbilical venous tissue (afferent fetal vessel). The relative amounts of (n-6) and (n-3) fatty acids were less in arterial than in venous plasma. Mead acid, 20:3(n-9), the presence of which indicates a poor EFA status, was 5 times higher in the efferent than in afferent cord vessels. In neonatal plasma and BC it was twice as high as compared with maternal levels. In general, the fatty acid composition of the placenta PL showed a comparable pattern as neonatal venous plasma PL. These findings demonstrate that the biochemical EFA status of neonates after a normal pregnancy is not optimal. The significant correlations between neonatal and maternal EFAs indicate that the neonatal EFA status depends on the EFA content of the maternal diet.

8,11,14-Eicosatrienoic Acid↗
PubMed1989

The use of DNA flow cytometry in the diagnosis of triploidy in human abortions.

The ploidy of placental tissue from 59 abortions was determined using DNA flow cytometry. The specimens were also screened histologically for features considered to be characteristic of a partial mole. Triploidy was found in six cases; three of these cases presented histologically as partial moles. From the four specimens histologically classified as partial moles, three appeared to be triploid. The most specific histologic features of triploidy were cystic change of the placental villi and trophoblastic hyperplasia with vacuolation of the syncytiotrophoblast; however, these changes were also found in some of the nontriploid abortions. Irregularity of villous contours was less specific.

Abortion, Spontaneous↗
PubMed1989

[Ante and perinatal factors and behavior and functional disorders in 6-to-9-year-old children].

A follow-up study at six and/or nine years of age was carried out on subpopulations of the three years cohort of the Groningen Perinatal Project. Neurological handicap and minor neurological dysfunction (MND) were associated with different sets of risk factors. The findings suggest a temporal difference in potentially harmful factors. At nine years of age two different kinds of MND could be distinguished, each of them related in a specific way to perinatal risk factors and behavioural and cognitive development. The finding that social factors, sex and present neurological condition of the child appeared to be more important than pre- and perinatal events for the development of learning and behavioural problems illustrates the complex aetiology of the latter.

Child↗
PubMed1988

Preterm or small-for-gestational-age infants. Neurological and behavioural development at the age of 6 years.

In 166 full term, small-for-gestational-age (FT-SGA), 53 preterm, appropriate-for-gestational-age (PT-AGA), 27 PT-SGA and 206 FT-AGA infants a neurological examination at the age of 6 years was carried out. Data were collected on behaviour and school achievement. Major and minor neurological abnormalities were more frequent in the three low birth weight groups, especially in the PT-SGA group. Multivariate analysis showed that the development of major and minor neurological abnormalities was explained by a varying set of risk factors, in which besides prematurity and growth retardation, neonatal neurological condition, social class, neonatal course and interval complications were preponderant. The results suggest a temporal difference in potentially harmful factors: for neurological handicap early in pregnancy, for minor neurological dysfunction (MND) the second half of gestation and the first 2 years of life. No striking behavioural differences were found between the three low birth weight groups and the FT-AGA group; behaviour was related to neonatal and follow-up neurological condition, sex, gestational age and birth weight to a limited extent only. Three (4%) of the preterms entered a special school (already at the age of 6). School achievement was mainly related to the present neurological condition and social class, which underlines the importance of the latter.

Child↗