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| 2. |
- Hagman, Anna, et al.
(författare)
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Obstetric Outcomes in Women with Turner Karyotype.
- 2011
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Ingår i: The Journal of clinical endocrinology and metabolism. - : The Endocrine Society. - 1945-7197 .- 0021-972X. ; 96:11, s. 3475-3482
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Tidskriftsartikel (refereegranskat)abstract
- Context: Women with Turner syndrome (TS) have high risk of cardiovascular complications and hypertensive disorders. Few studies have analyzed obstetric outcome in women with TS. Objective: This study compared obstetric outcome in women with TS karyotype with women in the general population. Design: The Swedish Genetic Turner Register was cross-linked with the Swedish Medical Birth Register between 1973 and 2007. Obstetric outcome in singletons was compared with a reference group of 56,000 women from the general population. Obstetric outcome in twins was described separately. Results: A total of 202 singletons and three sets of twins were born to 115 women with a TS karyotype that was unknown in 52% at time of pregnancy. At first delivery, TS women of singletons were older than controls (median 30 vs. 26 yr, P < 0.0001). Preeclampsia occurred in 6.3 vs. 3.0% (P = 0.07). Aortic dissection occurred in one woman. Compared with the general population, the gestational age was shorter in children born by TS women (-6.4 d, P = 0.0067), and median birth weight was lower (-208 g, P = 0.0012), but sd scores for weight and length at birth were similar. The cesarean section rate was 35.6% in TS women and 11.8% in controls (P < 0.0001). There was no difference in birth defects in children of TS women as compared with controls. Conclusions: Obstetric outcomes in women with a TS karyotype were mostly favorable. Singletons of TS women had shorter gestational age, but similar size at birth, adjusted for gestational age and sex. Birth defects did not differ between TS and controls.
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| 3. |
- Mravinacová, Sára, et al.
(författare)
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CSF protein ratios with enhanced potential to reflect Alzheimer’s disease pathology and neurodegeneration
- 2024
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Ingår i: Molecular Neurodegeneration. - : Springer Nature. - 1750-1326. ; 19:1
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Tidskriftsartikel (refereegranskat)abstract
- Background: Amyloid and tau aggregates are considered to cause neurodegeneration and consequently cognitive decline in individuals with Alzheimer’s disease (AD). Here, we explore the potential of cerebrospinal fluid (CSF) proteins to reflect AD pathology and cognitive decline, aiming to identify potential biomarkers for monitoring outcomes of disease-modifying therapies targeting these aggregates. Method: We used a multiplex antibody-based suspension bead array to measure the levels of 49 proteins in CSF from the Swedish GEDOC memory clinic cohort at the Karolinska University Hospital. The cohort comprised 148 amyloid- and tau-negative individuals (A-T-) and 65 amyloid- and tau-positive individuals (A+T+). An independent sample set of 26 A-T- and 26 A+T+ individuals from the Amsterdam Dementia Cohort was used for validation. The measured proteins were clustered based on their correlation to CSF amyloid beta peptides, tau and NfL levels. Further, we used support vector machine modelling to identify protein pairs, matched based on their cluster origin, that reflect AD pathology and cognitive decline with improved performance compared to single proteins. Results: The protein-clustering revealed 11 proteins strongly correlated to t-tau and p-tau (tau-associated group), including mainly synaptic proteins previously found elevated in AD such as NRGN, GAP43 and SNCB. Another 16 proteins showed predominant correlation with Aβ42 (amyloid-associated group), including PTPRN2, NCAN and CHL1. Support vector machine modelling revealed that proteins from the two groups combined in pairs discriminated A-T- from A+T+ individuals with higher accuracy compared to single proteins, as well as compared to protein pairs composed of proteins originating from the same group. Moreover, combining the proteins from different groups in ratios (tau-associated protein/amyloid-associated protein) significantly increased their correlation to cognitive decline measured with cognitive scores. The results were validated in an independent cohort. Conclusions: Combining brain-derived proteins in pairs largely enhanced their capacity to discriminate between AD pathology-affected and unaffected individuals and increased their correlation to cognitive decline, potentially due to adjustment of inter-individual variability. With these results, we highlight the potential of protein pairs to monitor neurodegeneration and thereby possibly the efficacy of AD disease-modifying therapies.
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| 4. |
- Wassén, Lotta, et al.
(författare)
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Child and maternal benefits and risks of caseload midwifery – a systematic review and meta-analysis
- 2023
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Ingår i: BMC Pregnancy and Childbirth. - 1471-2393. ; 23:1
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Tidskriftsartikel (refereegranskat)abstract
- Background: It has been reported that caseload midwifery, which implies continuity of midwifery care during pregnancy, childbirth, and the postnatal period, improves the outcomes for the mother and child. The aim of this study was to review benefits and risks of caseload midwifery, compared with standard care comparable to the Swedish setting where the same midwife usually provides antenatal care and the checkup postnatally, but does not assist during birth and the first week postpartum. Methods: Medline, Embase, Cinahl, and the Cochrane Library were searched (Nov 4th, 2021) for randomized controlled trials (RCTs). Retrieved articles were assessed and pooled risk ratios calculated when possible, using random-effects meta-analyses. Certainty of evidence was assessed according to GRADE. Results: In all, 7,594 patients in eight RCTs were included, whereof five RCTs without major risk of bias, including 5,583 patients, formed the basis for the conclusions. There was moderate certainty of evidence for little or no difference regarding the risk of Apgar ≤ 7 at 5 min, instrumental birth, and preterm birth. There was low certainty of evidence for little or no difference regarding the risk of perinatal mortality, neonatal intensive care, perineal tear, bleeding, and acute caesarean section. Caseload midwifery may reduce the overall risk of caesarean section. Regarding breastfeeding after hospital discharge, maternal mortality, maternal morbidity, health-related quality of life, postpartum depression, health care experience/satisfaction and confidence, available studies did not allow conclusions (very low certainty of evidence). For severe child morbidity and Apgar ≤ 4 at 5 min, there was no literature available. Conclusions: When caseload midwifery was compared with models of care that resembles the Swedish one, little or no difference was found for several critical and important child and maternal outcomes with low-moderate certainty of evidence, but the risk of caesarean section may be reduced. For several outcomes, including critical and important ones, studies were lacking, or the certainty of evidence was very low. RCTs in relevant settings are therefore required.
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| 5. |
- Ahlqwist, Anna, et al.
(författare)
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Physical therapy treatment of back complaints on children and adolescents.
- 2008
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Ingår i: Spine. - 1528-1159. ; 33:20, s. E721-7
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Tidskriftsartikel (refereegranskat)abstract
- STUDY DESIGN: A randomized controlled trial was performed. OBJECTIVES: To evaluate how 2 different treatment options affect perception of health, pain, and physical functioning over time among children and adolescents with low back pain (LBP). SUMMARY OF BACKGROUND DATA: LBP among children and adolescents has increased. The literature shows that children with LBP also suffer from this condition as adults. Thus, it is important to prevent and treat LBP in children and adolescents. METHODS: Forty-five children and adolescents were consecutively randomized into one of 2 treatment groups and were studied for 12 weeks. Group 1 was given individualized physical therapy and exercise and a standardized self-training program and back education. Group 2 was given self-training program and back education but no individualized therapy. The children and adolescents were tested before and after the treatment period. Child Health Questionnaire Child Form 87, Roland & Morris Disability Questionnaire, Painometer, Back Saver Sit and Reach, and test of trunk muscle endurance were used to evaluate the interventions. RESULTS: Both groups improved statistically significant in most parameters over time. On comparison between the groups the physical function measured by Roland & Morris Disability Questionnaire and the duration of pain measured by Painometer improved statistically significant in Group 1. CONCLUSION: An individual assessment by a knowledgeable physiotherapist and an active treatment model improve how children and adolescents experience their back problems with respect to health and physical function, pain, strength, and mobility, regardless of whether treatment consists of a home exercise program with follow-up or home exercise combined with exercise and treatment supervised by a physiotherapist.
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| 6. |
- Andersson, Christin, et al.
(författare)
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Lifestyle Factors and Subjective Cognitive Impairment in Patients Seeking Help at a Memory Disorder Clinic : The Role of Negative Life Events
- 2019
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Ingår i: Dementia and Geriatric Cognitive Disorders. - : S. Karger. - 1420-8008 .- 1421-9824. ; 48:3-4, s. 196-206
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Tidskriftsartikel (refereegranskat)abstract
- Background/Aims: A large proportion of patients at memory disorders clinics are classified as having subjective cognitive impairment (SCI). Previous research has investigated whether particular lifestyle factors known to affect cognition can be useful in differentiating patients who do not show objective evidence of memory decline. There may also exist subgroups of patients with respect to lifestyle factors that could help clinicians to understand the patient group that presents to memory clinics. These may differ in diagnostic outcome. Very little is known about potential subgroups; however, but such information may help guide interventions and potentially eliminate unnecessary diagnostic procedures. The current study investigated patterns of lifestyle-related variables, including stress, sleep, sensory sensitivity, depression, and negative life events in patients presenting to a memory disorders clinic. The aim was to determine whether subgroups existed and whether it was possible to distinguish those with objectively impaired cognition. Methods: One hundred and seventy-eight patients (mean age 58 years) from a University Hospital Memory Disorders Clinic. Results: Cluster analysis identified three groups of lifestyle-related variables. Strong determinants of clusters were negative life events and age. Patients with a high number of negative life events also tended to have highest self-reported memory complaint, higher levels of stress, depression, and sensory sensitivity. However, they did not perform the worst on memory testing. In contrast, individuals who performed the worst on memory tests were older, tended to have the least memory complaints, and less negative lifestyle factors; this group also included the highest proportion of patients with mild cognitive impairment and had the lowest median amyloid A-beta 42 (A beta 42). The group with the best cognitive performance were younger, included the highest proportion of patients with SCI and the highest median A beta 42. On lifestyle variables, their ratings fell in between the other groups. Conclusions: Lifestyle subgroups of patients were determined by stress, emotional problems, and age. The groups were significantly associated with A beta 42 and diagnostic outcome. This pattern may confound the differentiation between objective and subjective memory problems. Asking about lifestyle variables, in conjunction with neuropsychological testing, could potentially identify individuals who are not likely to have objective memory impairment and guide interventions.
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| 7. |
- Björngrim, Niclas, et al.
(författare)
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Health monitoring of a cable-stayed timber footbridge
- 2011
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Konferensbidrag (refereegranskat)abstract
- This paper presents a structural health monitoring system to a timber bridge that will be built in Skellefteå during 2011. The bridge is a cable-stayed timber footbridge spanning 130 meters. The main objectives of using the health monitoring system are to verify the structural design and the long-term behavior of the bridge. The structural health monitoring system consists of GNSS receivers, MEMS accelerometers, laser positioning systems, wireless moisture content sensors, strain gauges and weather stations.
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| 8. |
- Björngrim, Niclas, et al.
(författare)
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Health monitoring of a cable-stayed timber footbridge
- 2011
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Ingår i: Proceedings of SHATIS'11 International Conference on Structural Health Assessment of Timber Structures. - : Laboratório Nacional de Engenharia Civil – LNE.
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Konferensbidrag (refereegranskat)
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| 9. |
- Bloniecki, Victor, et al.
(författare)
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The Geras Solutions Cognitive Test for Assessing Cognitive Impairment : Normative Data from a Population-Based Cohort
- 2023
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Ingår i: The Journal of Prevention of Alzheimer's Disease. - : Springer. - 2274-5807 .- 2426-0266. ; 2:10, s. 207-211
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Tidskriftsartikel (refereegranskat)abstract
- Background: There is a need for the development of accurate, accessible and efficient screening instruments, focused on early-stage detection of neurocognitive disorders. The Geras Solutions cognitive test (GSCT) has showed potential as a digital screening tool for cognitive impairment but normative data are needed.Objective: The aim of this study was to obtain normative data for the GSCT in cognitively healthy patients, investigate the effects of gender and education on test scores as well as examine test-retest reliability.Methods: The population in this study consisted of 144 cognitively healthy subjects (MMSE>26) all at the age of 70 who were earlier included in the Healthy Aging Initiative Study conducted in Umea, Sweden. All patients conducted the GSCT and a subset of patients (n=32) completed the test twice in order to establish test-retest reliability.Results: The mean GSCT score was 46.0 (+/- 4.5) points. High level of education (>12 years) was associated with a high GSCT score (p = 0.02) while gender was not associated with GSCT outcomes (p = 0.5). GSCT displayed a high correlation between test and retest (r(30) = 0.8, p <0.01).Conclusion: This study provides valuable information regarding normative test-scores on the GSCT for cognitively healthy individuals and indicates education level as the most important predictor of test outcome. Additionally, the GSCT appears to display a good test-retest reliability further strengthening the validity of the test.
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| 10. |
- Bremer, Hanna, et al.
(författare)
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Serum C-reactive protein concentrations in Nova Scotia Duck Tolling Retrievers with immune-mediated rheumatic disease
- 2017
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Ingår i: Acta Veterinaria Scandinavica. - : Springer Science and Business Media LLC. - 0044-605X .- 1751-0147. ; 59
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Tidskriftsartikel (refereegranskat)abstract
- Nova Scotia Duck Tolling Retrievers (NSDTRs) are a dog breed often affected by immune-mediated rheumatic disease (IMRD), a disorder characterised by chronic stiffness and joint pain. Most, but not all, dogs with IMRD, have antinuclear antibodies (ANA), which are also commonly present in the autoimmune disease systemic lupus erythematosus (SLE). The clinical and diagnostic findings of IMRD indicate that it is an SLE-related disorder. C-reactive protein (CRP), an acute phase protein, is a quantitative marker of inflammation for many diseases and is used for diagnosing and monitoring systemic inflammation in both humans and dogs. However, in human SLE, CRP concentrations are often elevated but correlate poorly with disease activity; they can be low in individual patients with active disease. The aim of the study was to investigate CRP in a group of NSDTRs with the SLE-related disorder IMRD. The hypothesis was that CRP concentrations would be increased in dogs with IMRD compared to healthy dogs, but that the increase would be mild. Serum CRP concentrations were measured in 18 IMRD-affected NSDTRs and 19 healthy control NSDTRs using two different canine-specific CRP assays. Dogs with IMRD and ANA had higher CRP concentrations than the control dogs, but the concentrations were below the clinical decision limit for systemic inflammation for most of the IMRD dogs. These results indicate that CRP concentrations were increased in dogs with IMRD and ANA, but the increase was mild, similar to what has been observed in human SLE.
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