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Sökning: WFRF:(Fellman Vineta) > (2015-2019)

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1.
  • Bonamy, Anna-Karin Edstedt, et al. (författare)
  • Blood Pressure in 6-Year-Old Children Born Extremely Preterm
  • 2017
  • Ingår i: Journal of the American Heart Association. - : WILEY. - 2047-9980 .- 2047-9980. ; 6:8
  • Tidskriftsartikel (refereegranskat)abstract
    • Background-Advances in perinatal medicine have increased infant survival after very preterm birth. Although this progress is welcome, there is increasing concern that preterm birth is an emerging risk factor for hypertension at young age, with implications for the lifetime risk of cardiovascular disease. Methods and Results-We measured casual blood pressures (BPs) in a population-based cohort of 6-year-old survivors of extremely preterm birth (< 27 gestational weeks; n=171) and in age-and sex-matched controls born at term (n=172). Measured BP did not differ, but sex, age-, and height-adjusted median z scores were 0.14 SD higher (P=0.02) for systolic BP and 0.10 SD higher (P=0.01) for diastolic BP in children born extremely preterm than in controls. Among children born extremely preterm, shorter gestation, higher body mass index, and higher heart rate at follow-up were all independently associated with higher BP at 6 years of age, whereas preeclampsia, smoking in pregnancy, neonatal morbidity, and perinatal corticosteroid therapy were not. In multivariate regression analyses, systolic BP decreased by 0.10 SD (P=0.08) and diastolic BP by 0.09 SD (P=0.02) for each week-longer gestation. Conclusions-Six-year-old children born extremely preterm have normal but slightly higher BP than their peers born at term. Although this finding is reassuring for children born preterm and their families, follow-up at older age is warranted.
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2.
  • Davoudi, Mina, et al. (författare)
  • COX7A2L/SCAFI and pre-complex III modify respiratory chain supercomplex formation in different mouse strains with a Bcs1l mutation
  • 2016
  • Ingår i: PLoS ONE. - : Public Library of Science (PLoS). - 1932-6203. ; 11:12
  • Tidskriftsartikel (refereegranskat)abstract
    • The COX7A2L (Supercomplex Assembly Factor I, SCAFI) protein has been proposed to be a mitochondrial supercomplex assembly factor required for respirasome (supercomplex containing complexes I, III, and IV) formation. In the C57BL/6 mouse strain a homozygous in-frame 6-base-pair deletion in the COX7a2l/SCAF1 gene resulting in unstable protein and suggesting loss of function was previously identified. The loss of SCAFI was shown to impede respirasome formation, a major concern for the use of C57BL mouse strains in mitochondrial research. In contradiction, another recent study suggested that supercomplex formation is independent of SCAFI isoforms. We investigated whether SCAFI isoform status affected the disease severity and supercomplex formation in the liver of Bcs1lc.232A>G knock-in mice with incomplete complex III assembly. In homozygotes (Bcs1lG/G) of mixed (C57BL/6:129/Sv) genetic background, the lifespan was similar in mice with wild-type SCAFI allele and in those homozygous (SCAFIshort/short) for the deleted SCAF1 variant (34-3 days; n = 6 vs. 32-2 days; n = 7, respectively). SCAFI heterozygosity (SCAFIlong/short) resulted in decreased SCAFI protein but respirasome assembly was unaffected. Congenic (C57BL/6) mice were of the genotype SCAFIshort/short and had no detectable SCAFI protein. In their liver mitochondria, respirasome composition was altered as compared to mixed background mice. Complex IV was mainly present as monomers and dimers, and only low amounts were found in combination with complex I and complex III or with precomplex III. The main supercomplex in the liver mitochondria of C57BL/6 mice comprised only complexes I and III. In conclusion, in liver mitochondria of C57BL/6 mice, supercomplexes had markedly reduced amount of, but were not completely depleted of, complex IV, supporting a role for COX7A2L/SCAFI in supercomplex assembly. However, the disease progression of the Bcs1l mutant mice was unrelated to SCAFI isoforms and supercomplex composition, suggesting that other genetic factors contribute to the different survival in the different genetic backgrounds.
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3.
  • Elens, Laure, et al. (författare)
  • Genetic Predisposition to Poor Opioid Response in Preterm Infants : Impact of KCNJ6 and COMT Polymorphisms on Pain Relief after Endotracheal Intubation
  • 2016
  • Ingår i: Therapeutic Drug Monitoring. - : Lippincott Williams & Wilkins. - 0163-4356 .- 1536-3694. ; 38:4, s. 525-533
  • Tidskriftsartikel (refereegranskat)abstract
    • Background: Single-nucleotide polymorphisms in genes involved in pain control might predispose to exaggerated sensitivity or difference in opioid analgesic effect. The relevance of the KCNJ6 -1250G>A (rs6517442, c.-1787G>A) and the catecholamine-O-methyltransferase (COMT) c.472G>A (rs4680, Val 158 Met) single-nucleotide polymorphisms were studied in preterm infants needing intubation and randomized to a premedication strategy including remifentanil (n 17) or morphine (n 17). Methods: Pain was scored with Astrid Lindgren and Lund Children's Hospital Pain Assessment Scale every 30 minutes for 6 hours. The pain relief provided by the opioids was compared between the different KCNJ6 and COMT genotypes. Results: Infants homozygous for the KCNJ6 -1250A allele had an increased duration after intubation to achieve a score indicating no pain compared with infants with the A/G or G/G genotypes (182 ± 30, 109 ± 29, and 60 ± 21 minutes, respectively; Logrank 7.5, P 0.006). Similarly, the duration was increased in individuals with the COMT Val/Val alleles compared with Val/Met and Met/Met (285 ± 37, 137 ± 25, and 63 ± 15 minutes, respectively; Logrank 14.4, P 0.0021). Cox proportional hazards analysis confirmed that the variation in both genes was independently associated with susceptibility to respond to therapy. Conclusion: We conclude that the KCNJ6 -1250A and COMT 158 Val alleles are predisposing preterm newborns to diminished opioid-induced pain relief.
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4.
  • Fellman, Vineta (författare)
  • More voice, less noise in NICUs
  • 2017
  • Ingår i: Acta Paediatrica, International Journal of Paediatrics. - : Wiley-Blackwell. - 0803-5253. ; 106:8, s. 1210-1211
  • Tidskriftsartikel (övrigt vetenskapligt)
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5.
  • Högberg, Ulf, 1949-, et al. (författare)
  • Epidemiology of subdural haemorrhage during infancy : A population-based register study
  • 2018
  • Ingår i: PLoS ONE. - : Public Library of Science (PLoS). - 1932-6203. ; 13:10
  • Tidskriftsartikel (refereegranskat)abstract
    • OBJECTIVES: To analyse subdural haemorrhage (SDH) during infancy in Sweden by incidence, SDH category, diagnostic distribution, age, co-morbidity, mortality, and maternal and perinatal risk factors; and its association with accidents and diagnosis of abuse.METHODS: A Swedish population-based register study comprising infants born between 1997 and 2014, 0-1 years of age, diagnosed with SDH-diagnoses according to the (International Classification of Diseases, 10th version (ICD10), retrieved from the National Patient Register and linked to the Medical Birth Register and the Death Cause Register. Outcome measures were: 1) Incidence and distribution, 2) co-morbidity, 3) fall accidents by SDH category, 4) risk factors for all SDHs in the two age groups, 0-6 and 7-365 days, and for ICD10 SDH subgroups: S06.5 (traumatic SDH), I62.0 (acute nontraumatic), SDH and abuse diagnosis.RESULTS: Incidence of SDH was 16·5 per 100 000 infants (n = 306). Median age was 2·5 months. For infants older than one week, the median age was 3·5 months. Case fatality was 6·5%. Male sex was overrepresented for all SDH subgroups. Accidental falls were reported in 1/3 of the cases. One-fourth occurred within 0-6 days, having a perinatal risk profile. For infants aged 7-365 days, acute nontraumatic SDH was associated with multiple birth, preterm birth, and small-for-gestational age. Fourteen percent also had an abuse diagnosis, having increased odds of being born preterm, and being small-for-gestational age.CONCLUSIONS: The incidence was in the range previously reported. SDH among newborns was associated with difficult birth and neonatal morbidity. Acute nontraumatic SDH and SDH with abuse diagnosis had similar perinatal risk profiles. The increased odds for acute nontraumatic SDH in twins, preterm births, neonatal convulsions or small-for-gestational age indicate a perinatal vulnerability for SDH beyond 1st week of life. The association between prematurity/small-for-gestational age and abuse diagnosis is intriguing and not easily understood.
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6.
  • Högberg, Ulf, 1949-, et al. (författare)
  • Population-based register study of children born in Sweden from 1997 to 2014 showed an increase in rickets during infancy
  • 2019
  • Ingår i: Acta Paediatrica, International Journal of Paediatrics. - : Wiley-Blackwell. - 0803-5253 .- 1651-2227. ; 108:11, s. 2034-2040
  • Tidskriftsartikel (refereegranskat)abstract
    • Aim: This population-based study assessed the incidence of rickets in infants up to age of one born in Sweden from 1997 to 2014. We also examined maternal and perinatal factors and co-morbidity. Methods: We used Swedish National Board of Health and Welfare registers and data from Statistics Sweden. The outcome measure was an International Classification of Diseases, Tenth Revision, code for rickets. Results: There were 273 cases of rickets, with an incidence of 14.7 per 100 000 and a 10-fold incidence increase between 1997 and 2014. The majority (78.4%) were born preterm, half were small-for-gestational age (SGA) (birthweight <10th percentile), 4.8% were born to Asian-born mothers and 3.5% to African-born mothers. The adjusted odds ratios by birth week were 182 (95% CI: 121–272) before 32 weeks and 10.8 (95% CI: 6.72–17.4) by 32–36 weeks. Preterm infants with necrotising enterocolitis had very high odds for rickets and so did SGA term-born infants and those born to African-born mothers. The odds for rickets among preterm infants increased considerably during the later years. Conclusion: Rickets increased 10-fold in Sweden from 1997 to 2014 and was mainly associated with prematurity, SGA and foreign-born mothers. Possible reasons may include increased preterm survival rates and improved clinical detection and registration.
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7.
  • Högberg, Ulf, 1949-, et al. (författare)
  • Preventable harm and child maltreatment diagnosis (eLetter)
  • 2019
  • Ingår i: BMJ. British Medical Journal. - : BMJ Publishing Group Ltd. - 1756-1833. ; 366
  • Tidskriftsartikel (refereegranskat)abstract
    • Objective: To systematically quantify the prevalence, severity, and nature of preventable patient harm across a range of medical settings globally.Design: Systematic review and meta-analysis.Data sources: Medline, PubMed, PsycINFO, Cinahl and Embase, WHOLIS, Google Scholar, and SIGLE from January 2000 to January 2019. The reference lists of eligible studies and other relevant systematic reviews were also searched.Review methods: Observational studies reporting preventable patient harm in medical care. The core outcomes were the prevalence, severity, and types of preventable patient harm reported as percentages and their 95% confidence intervals. Data extraction and critical appraisal were undertaken by two reviewers working independently. Random effects meta-analysis was employed followed by univariable and multivariable meta regression. Heterogeneity was quantified by using the I2 statistic, and publication bias was evaluated.Results: Of the 7313 records identified, 70 studies involving 337 025 patients were included in the meta-analysis. The pooled prevalence for preventable patient harm was 6% (95% confidence interval 5% to 7%). A pooled proportion of 12% (9% to 15%) of preventable patient harm was severe or led to death. Incidents related to drugs (25%, 95% confidence interval 16% to 34%) and other treatments (24%, 21% to 30%) accounted for the largest proportion of preventable patient harm. Compared with general hospitals (where most evidence originated), preventable patient harm was more prevalent in advanced specialties (intensive care or surgery; regression coefficient b=0.07, 95% confidence interval 0.04 to 0.10).Conclusions: Around one in 20 patients are exposed to preventable harm in medical care. Although a focus on preventable patient harm has been encouraged by the international patient safety policy agenda, there are limited quality improvement practices specifically targeting incidents of preventable patient harm rather than overall patient harm (preventable and non-preventable). Developing and implementing evidence-based mitigation strategies specifically targeting preventable patient harm could lead to major service quality improvements in medical care which could also be more cost effective.
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8.
  • Hövel, Holger, et al. (författare)
  • Auditory event-related potentials are related to cognition at preschool age after preterm birth
  • 2015
  • Ingår i: Pediatric Research. - : International Pediatric Foundation Inc.. - 1530-0447 .- 0031-3998. ; 77:4, s. 570-578
  • Tidskriftsartikel (refereegranskat)abstract
    • Background:Auditory event-related potentials (AERP) are neurophysiological correlates of sound perception and cognitive processes. Our aim was to study in very preterm born children at preschool age if AERP correlate with cognitive outcome.Methods:Seventy children (mean ± SD gestational age 27.4 ± 1.9 wk, birth weight 996 ± 288 g) were investigated at age 4.3-5.3 y with psychological testing (WPPSI-R, four subtests of NEPSY). Electroencephalogram was recorded while they listened to a repeated standard tone, randomly replaced by one of three deviants. Latencies and amplitudes for AERP components and mean amplitudes in successive 50-ms AERP time windows were measured.Results:Better cognitive test results and higher gestational age correlated with shorter P1 latencies and more positive mean amplitudes 150-500 ms after stimulus change onset. Neonatal brain damage was associated with a negative displacement of AERP curves. Neonatal morbidity had an impact on earlier time windows while gestational age and brain damage on both early and later time windows.Conclusion:AERP measures were associated with cognitive outcome. Neonatal morbidity mainly affects early cortical auditory encoding, while immaturity and brain damage additionally influence higher cortical functions of auditory perception and distraction. Perinatal auditory environment might play a role in development of auditory processing.Pediatric Research (2015); doi:10.1038/pr.2015.7.
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  • Resultat 1-10 av 28
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