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- Hök Wikstrand, Margareta, 1946, et al.
(författare)
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Abnormal vessel morphology in boys born after intracytoplasmic sperm injection.
- 2008
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Ingår i: Acta paediatrica (Oslo, Norway : 1992). - : Wiley. - 1651-2227 .- 0803-5253. ; 97:11, s. 1512-7
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Tidskriftsartikel (refereegranskat)abstract
- AIM: Children born after intracytoplasmic sperm injection (ICSI) are at risk of preterm birth, low birth weight and perinatal morbidity which may predispose for diseases of the central nervous and vascular systems. Our aim was to investigate the ocular fundus morphology in children born after ICSI. METHOD: Children born after ICSI (n = 82) had ocular fundus photographs taken at the age of 5 years and results were compared with those of a control group (n = 203). The ocular fundus morphology with the central retinal vessels was evaluated by digital image analysis. RESULTS: Children born after ICSI (n = 57) had abnormal retinal vascularization as evidenced by a lower number of vascular branching points compared with the control group (n = 181) (p = 0.0002). A gender difference was found whereby the ICSI boys (n = 35) had significantly fewer retinal branching points (median 24, range 19-29.5) compared with the control boys (median 27.5, range 20-37) (p < 0.0001). CONCLUSION: Our findings showed that ICSI boys have abnormal vessel morphology as demonstrated by a reduced number of central retinal branching points. The difference still remained after elimination of factors earlier shown to be associated with a low number of vascular branching points, i.e. low birth weight and preterm, suggesting other mechanisms responsible for the low number of vascular branching points.
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- Hök Wikstrand, Margareta, 1946, et al.
(författare)
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Ophthalmological findings in children born after intracytoplasmic sperm injection
- 2006
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Ingår i: Acta Ophthalmol Scand. ; 84:2, s. 177-81
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Tidskriftsartikel (refereegranskat)abstract
- PURPOSE: To investigate visual function and ocular morphology in children born after intracytoplasmic sperm injection (ICSI) and compare them with visual function and ocular morphology in matched children born after spontaneous conception. METHODS: A total of 137 children born after ICSI and 159 control children were examined at the age of 5 years in a blinded study. The two groups were matched for age, gender and maternal age. The children underwent a detailed ophthalmological investigation by an ophthalmologist and an orthoptist. RESULTS: A total of 90.4% of the ICSI children had a visual acuity (VA) in the better eye of >or= 0.8, compared with 93.7% of the controls (NS). No significant differences were found between ICSI children and controls with regard to hyperopia, myopia, astigmatism, heterotropia, stereoscopic vision and convergence. One child with Goldenhar syndrome and one with Marcus Gunn syndrome were observed in the ICSI group. One child in the ICSI group was treated for retinopathy of prematurity. CONCLUSION: In this limited study group, no significant differences in visual function and/or ocular morphology were found between children born after ICSI and matched control children at the age of 5 years.
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- Johansson, Maria E I, 1961, et al.
(författare)
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Autism spectrum disorder and underlying brain mechanism in the oculoauriculovertebral spectrum.
- 2007
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Ingår i: Developmental Medicine and Child Neurology. - : Wiley. - 0012-1622 .- 1469-8749. ; 49:4, s. 280-288
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Tidskriftsartikel (refereegranskat)abstract
- As part of a multidisciplinary study, the rate of autism spectrum disorder (ASD), learning disability (LD), and brain abnormalities was examined in 20 participants (12 males, 8 females; age range 8mo-17y, mean age 8y 1mo) diagnosed as falling within the oculoauriculovertebral spectrum (OAV). A neuropsychiatric examination was performed, including standardized autism diagnostic interviews. Two individuals met diagnostic criteria for autism, one for autistic-like condition, and five for autistic traits. Four patients had mild LD, three severe LD, two profound LD, and two borderline intellectual functioning. Neuroimaging indicated cerebral abnormalities in more than half of the patients. Abnormalities of white/grey matter were found in more than half of examined individuals; enlargement of ventricles in more than a third. Results indicate that at least a subgroup of ASD may be associated with errors in early embryonic brain development. Awareness of the coexistence of OAV/ASD is important in habilitation care of individuals with OAV.
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- Johansson, Maria E I, 1961, et al.
(författare)
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Autism spectrum disorders and underlying brain pathology in CHARGE association.
- 2006
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Ingår i: Developmental Medicine and Child Neurology. - 0012-1622. ; 48:1, s. 40-50
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Tidskriftsartikel (refereegranskat)abstract
- The rate of autism spectrum disorders (ASDs) and brain abnormalities was analyzed in 31 individuals (15 males, 16 females; age range 1mo to 31y, mean age 8y 11mo) with CHARGE association, as part of a multidisciplinary study. A meticulous neuropsychiatric examination was performed, including standardized autism diagnostic interviews. Judgement regarding ASDs was impossible in three infants and three patients who were deaf and blind. Five individuals met diagnostic criteria for autism, five for an autistic-like condition, and seven for autistic traits. Brain abnormalities were indicated in almost three-quarters of examined individuals, and midline abnormalities of the forebrain in one-third. Awareness of the coexistence of CHARGE and ASDs is important in habilitation care in CHARGE. Moreover, the results indicate that a subgroup of ASDs may be associated with errors in early embryonic brain development.
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- Landgren, M., et al.
(författare)
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Health before and after adoption from Eastern Europe
- 2006
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Ingår i: Acta Paediatr. - : Wiley. - 0803-5253. ; 95:6, s. 720-5
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Tidskriftsartikel (refereegranskat)abstract
- DESIGN: A population-based study of pre-adoption, arrival and post-adoption health. AIM: To report prenatal and postnatal background factors, morbidity, growth and development in adoptees from Eastern Europe. SUBJECTS AND METHODS: All 99 children born in Eastern Europe between 1990 and 1995 and adopted to western Sweden during 1993-1997 were invited to participate in the study. Altogether, 76 (77%) participated. Medical records from the birth countries, from the examination at arrival and from medical reports made during a mean post-adoption period of 5 years were evaluated. RESULTS: Low birth weight (< or = 2500 g) occurred in 48%. Congenital malformations were found in 22%. The biological mothers of 33% of the children had been considered alcoholics, and 16% of the children's mothers had been diagnosed with a psychiatric disability. A high incidence of infectious diseases, neurodevelopment disorders and growth retardation had been noted during the pre-adoption period. Upon arrival in Sweden 75% were diagnosed with a medical condition, most often an infection. After a 5-year post-adoption period, small head circumference was associated with alcohol exposure during pregnancy and 46% had at least one neurodevelopment or behavioural disorder. CONCLUSION: Adverse prenatal and perinatal factors, congenital malformations and post-adoption neurodevelopment disorders were common. Adoptees and adopters have complex needs for health support and information.
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- Miller, Marilyn T, et al.
(författare)
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Autism associated with conditions characterized by developmental errors in early embryogenesis: a mini review.
- 2005
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Ingår i: International Journal of Developmental Neuroscience. - : Wiley. - 0736-5748 .- 1873-474X. ; 23:2-3, s. 201-219
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Tidskriftsartikel (refereegranskat)abstract
- Autism is a complex developmental disorder without an established single etiology but with significant contributions from genetic studies, functional research, and neuropsychiatric and neuroradiologic investigations. The purpose of this paper is to review the findings in five studies involving individuals manifesting the characteristic findings of autism spectrum disorder associated with malformations and dysfunctions known to result from early embryogenic defects. These investigations include two associated with teratogens (thalidomide embryopathy, Mobius sequence with misoprostol) and three (most Mobius sequence cases, CHARGE association, Goldenhar syndrome) with no known etiology. These studies suggest that early embryonic development errors often involving cranial nerve palsies, internal and external ear malformations, ophthalmologic anomalies, and a variety of systemic malformations may be associated with autism spectrum disorders statistically more frequently than expected in a normal population. Although the exact time of developmental insult for each condition cannot be identified, the evidence is that it may occur as early as week 4 to 6+ of embryogenesis.
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