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| 2. |
- Andersson, L-O, et al.
(författare)
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A new neutron beam facility
- 2004
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Ingår i: Proc. of the 9th European Particle Accelerator Conference.
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Konferensbidrag (refereegranskat)
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| 6. |
- Prokofiev, A, et al.
(författare)
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A New Neutron Facility for Single-Event Effect Testing
- 2004
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Ingår i: Proceedings of the 6th International Workshop on Radiation Effects on Semiconductor Devices for Space Application. ; , s. 160-162
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Konferensbidrag (övrigt vetenskapligt/konstnärligt)
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| 7. |
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| 8. |
- Bargholtz, C, et al.
(författare)
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Using a CdTe detector for Te-125 Mossbauer Spectroscopy: Application to the f-factor in Mg3TeO6
- 2000
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Ingår i: NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS. - : ELSEVIER SCIENCE BV. - 0168-583X. ; 170:1-2, s. 239-244
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Tidskriftsartikel (refereegranskat)abstract
- An apparatus for Mossbauer spectroscopy has been developed with a cadmium telluride (CdTe) gamma-ray detector. Complete data regarding gamma-ray energy, source velocity, temperature and real time are stored for off-line analysis. The apparatus has been us
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| 13. |
- Stacey, Simon N, et al.
(författare)
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A germline variant in the TP53 polyadenylation signal confers cancer susceptibility.
- 2011
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Ingår i: Nature Genetics. - : Springer Science and Business Media LLC. - 1061-4036 .- 1546-1718. ; 43:11, s. 1098-103
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Tidskriftsartikel (refereegranskat)abstract
- To identify new risk variants for cutaneous basal cell carcinoma, we performed a genome-wide association study of 16 million SNPs identified through whole-genome sequencing of 457 Icelanders. We imputed genotypes for 41,675 Illumina SNP chip-typed Icelanders and their relatives. In the discovery phase, the strongest signal came from rs78378222[C] (odds ratio (OR) = 2.36, P = 5.2 × 10(-17)), which has a frequency of 0.0192 in the Icelandic population. We then confirmed this association in non-Icelandic samples (OR = 1.75, P = 0.0060; overall OR = 2.16, P = 2.2 × 10(-20)). rs78378222 is in the 3' untranslated region of TP53 and changes the AATAAA polyadenylation signal to AATACA, resulting in impaired 3'-end processing of TP53 mRNA. Investigation of other tumor types identified associations of this SNP with prostate cancer (OR = 1.44, P = 2.4 × 10(-6)), glioma (OR = 2.35, P = 1.0 × 10(-5)) and colorectal adenoma (OR = 1.39, P = 1.6 × 10(-4)). However, we observed no effect for breast cancer, a common Li-Fraumeni syndrome tumor (OR = 1.06, P = 0.57, 95% confidence interval 0.88-1.27).
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| 15. |
- Ahlström, Aisling, 1976, et al.
(författare)
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A double-blind randomized controlled trial investigating a time-lapse algorithm for selecting Day 5 blastocysts for transfer
- 2022
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Ingår i: Human Reproduction. - : Oxford University Press (OUP). - 0268-1161 .- 1460-2350. ; 37:4, s. 708-717
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Tidskriftsartikel (refereegranskat)abstract
- STUDY QUESTION Can use of a commercially available time-lapse algorithm for Day 5 blastocyst selection improve pregnancy rates compared with morphology alone? SUMMARY ANSWER The use of a time-lapse selection model to choose blastocysts for fresh single embryo transfer on Day 5 did not improve ongoing pregnancy rate compared to morphology alone. WHAT IS KNOWN ALREADY Evidence from time-lapse monitoring suggests correlations between timing of key developmental events and embryo viability. No good quality evidence exists to support improved pregnancy rates following time-lapse selection. STUDY DESIGN, SIZE, DURATION A prospective multicenter randomized controlled trial including 776 randomized patients was performed between 2018 and 2021. Patients with at least two good quality blastocysts on Day 5 were allocated by a computer randomization program in a proportion of 1:1 into either the control group, whereby single blastocysts were selected for transfer by morphology alone, or the intervention group whereby final selection was decided by a commercially available time-lapse model. The embryologists at the time of blastocyst morphological scoring were blinded to which study group the patients would be randomized, and the physician and patients were blind to which group they were allocated until after the primary outcome was known. The primary outcome was number of ongoing pregnancies in the two groups. PARTICIPANTS/MATERIALS, SETTING, METHODS From 10 Nordic IVF clinics, 776 patients with a minimum of two good quality blastocysts on Day 5 (D5) were randomized into one of the two study groups. A commercial time-lapse model decided the final selection of blastocysts for 387 patients in the intervention (time-lapse) group, and blastocysts with the highest morphological score were transferred for 389 patients in the control group. Only single embryo transfers in fresh cycles were performed. MAIN RESULTS AND THE ROLE OF CHANCE In the full analysis set, the ongoing pregnancy rate for the time-lapse group was 47.4% (175/369) and 48.1% (181/376) in the control group. No statistically significant difference was found between the two groups: mean difference -0.7% (95% CI -8.2, 6.7, P = 0.90). Pregnancy rate (60.2% versus 59.0%, mean difference 1.1%, 95% CI -6.2, 8.4, P = 0.81) and early pregnancy loss (21.2% versus 18.5%, mean difference 2.7%, 95% CI -5.2, 10.6, P = 0.55) were the same for the time-lapse and the control group. Subgroup analyses showed that patient and treatment characteristics did not significantly affect the commercial time-lapse model D5 performance. In the time-lapse group, the choice of best blastocyst changed on 42% of occasions (154/369, 95% CI 36.9, 47.2) after the algorithm was applied, and this rate was similar for most treatment clinics. LIMITATIONS, REASONS FOR CAUTION During 2020, the patient recruitment rate slowed down at participating clinics owing to coronavirus disease-19 restrictions, so the target sample size was not achieved as planned and it was decided to stop the trial prematurely. The study only investigated embryo selection at the blastocyst stage on D5 in fresh IVF transfer cycles. In addition, only blastocysts of good morphological quality were considered for transfer, limiting the number of embryos for selection in both groups: also, it could be argued that this manual preselection of blastocysts limits the theoretical selection power of time-lapse, as well as restricting the results mainly to a good prognosis patient group. Most patients were aimed for blastocyst stage transfer when a minimum of five zygotes were available for extended culture. Finally, the primary clinical outcome evaluated was pregnancy to only 6-8 weeks. WIDER IMPLICATIONS OF THE FINDINGS The study suggests that time-lapse selection with a commercially available time-lapse model does not increase chance of ongoing pregnancy after single blastocyst transfer on Day 5 compared to morphology alone. STUDY FUNDING/COMPETING INTEREST(S) The study was financed by a grant from the Swedish state under the ALF-agreement between the Swedish government and the county councils (ALFGBG-723141). Vitrolife supported the study with embryo culture dishes and culture media. During the study period, T.H. changed his employment from Livio AB to Vitrolife AB. All other authors have no conflicts of interests to disclose. DATE OF FIRST PATIENT'S ENROLMENT 11 June 2018.
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| 19. |
- Bill-Axelson, Anna, et al.
(författare)
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Radical prostatectomy versus watchful waiting in localized prostate cancer : the Scandinavian prostate cancer group-4 randomized trial
- 2008
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Ingår i: Journal of the National Cancer Institute. - : Oxford University Press. - 0027-8874 .- 1460-2105. ; 100:16, s. 1144-1154
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Tidskriftsartikel (refereegranskat)abstract
- BACKGROUND: The benefit of radical prostatectomy in patients with early prostate cancer has been assessed in only one randomized trial. In 2005, we reported that radical prostatectomy improved prostate cancer survival compared with watchful waiting after a median of 8.2 years of follow-up. We now report results after 3 more years of follow-up.METHODS: From October 1, 1989, through February 28, 1999, 695 men with clinically localized prostate cancer were randomly assigned to radical prostatectomy (n = 347) or watchful waiting (n = 348). Follow-up was complete through December 31, 2006, with histopathologic review and blinded evaluation of causes of death. Relative risks (RRs) were estimated using the Cox proportional hazards model. Statistical tests were two-sided.RESULTS: During a median of 10.8 years of follow-up (range = 3 weeks to 17.2 years), 137 men in the surgery group and 156 in the watchful waiting group died (P = .09). For 47 of the 347 men (13.5%) who were randomly assigned to surgery and 68 of the 348 men (19.5%) who were not, death was due to prostate cancer. The difference in cumulative incidence of death due to prostate cancer remained stable after about 10 years of follow-up. At 12 years, 12.5% of the surgery group and 17.9% of the watchful waiting group had died of prostate cancer (difference = 5.4%, 95% confidence interval [CI] = 0.2 to 11.1%), for a relative risk of 0.65 (95% CI = 0.45 to 0.94; P = .03). The difference in cumulative incidence of distant metastases did not increase beyond 10 years of follow-up. At 12 years, 19.3% of men in the surgery group and 26% of men in the watchful waiting group had been diagnosed with distant metastases (difference = 6.7%, 95% CI = 0.2 to 13.2%), for a relative risk of 0.65 (95% CI = 0.47 to 0.88; P = .006). Among men who underwent radical prostatectomy, those with extracapsular tumor growth had 14 times the risk of prostate cancer death as those without it (RR = 14.2, 95% CI = 3.3 to 61.8; P < .001).CONCLUSION: Radical prostatectomy reduces prostate cancer mortality and risk of metastases with little or no further increase in benefit 10 or more years after surgery.
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| 20. |
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| 21. |
- Brewington, Seth, et al.
(författare)
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Islands of change vs. islands of disaster : Managing pigs and birds in the Anthropocene of the North Atlantic
- 2015
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Ingår i: The Holocene. - : Sage Publications. - 0959-6836 .- 1477-0911. ; 25:10, s. 1676-1684
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Tidskriftsartikel (refereegranskat)abstract
- The offshore islands of the North Atlantic were among some of the last settled places on earth, with humans reaching the Faroes and Iceland in the late Iron Age and Viking period. While older accounts emphasizing deforestation and soil erosion have presented this story of island colonization as yet another social–ecological disaster, recent archaeological and paleoenvironmental research combined with environmental history, environmental humanities, and bioscience is providing a more complex understanding of long-term human ecodynamics in these northern islands. An ongoing interdisciplinary investigation of the management of domestic pigs and wild bird populations in Faroes and Iceland is presented as an example of sustained resource management using local and traditional knowledge to create structures for successful wild fowl management on the millennial scale.
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| 22. |
- Einarsson, U, et al.
(författare)
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Activities of daily living and social activities in people with multiple sclerosis in Stockholm County
- 2006
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Ingår i: Clinical rehabilitation. - : SAGE Publications. - 0269-2155 .- 1477-0873. ; 20:6, s. 543-551
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Tidskriftsartikel (refereegranskat)abstract
- Objective: To describe independence in personal and instrumental activities of daily living (ADL), and frequency of social/lifestyle activities in a population-based sample of people with multiple sclerosis in Stockholm. Design: Population-based survey. Setting: Data collection in home environment. Subjects: One hundred and sixty-six people with multiple sclerosis. Interventions: Data were collected using measurements and structured interviews. Main measures: Independence in ADL was assessed by the Barthel Index; independence in personal and instrumental ADL by the Katz Extended ADL Index; and frequency of social/lifestyle activities by the Frenchay Activities Index. Results: The mean age was 519 ± 12 years in the included 166 people with multiple sclerosis, of whom 71% ( n = 118) were women. Fifty-two per cent ( n = 85) were independent in personal ADL, 30% ( n = 50) in instrumental ADL, and 35% ( n = 57) had normal frequency of social/lifestyle activities. Most frequently affected ADL items were cleaning indoors and outdoors transportation (62%, n = 102) and the social/lifestyle items of household maintenance (59%, n = 97), walking outside (59%, n = 97), heavy housework (61%, n = 100), and gardening (68%, n = 112). Conclusions: ADL and social/lifestyle activities were affected in two-thirds of people with multiple sclerosis in Stockholm. The most affected items were items that could be classified as mobility-related and physically demanding, underlining the importance of developing and using evidence-based exercise treatments and rehabilitation to increase independence in people with multiple sclerosis in Stockholm.
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| 23. |
- Einarsson, U, et al.
(författare)
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Cognitive and motor function in people with multiple sclerosis in Stockholm County
- 2006
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Ingår i: Multiple sclerosis (Houndmills, Basingstoke, England). - : SAGE Publications. - 1352-4585 .- 1477-0970. ; 12:3, s. 340-353
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Tidskriftsartikel (refereegranskat)abstract
- The aim of this study was to analyse cognitive and motor function in a population-based sample of people with multiple sclerosis (PwMS), taking into account both disease-related data and sociodemographic factors. Data were collected from 166 PwMS during home visits. Cognitive function was assessed by the Mini-Mental State Examination (MMSE), the Free Recall and Recognition of 12 Random Words Test (FRR12RWT), and the Symbol Digit Modalities Test (SDMT); manual dexterity by the Nine-Hole Peg Test (NHPT); global motor capacity by the Lindmark Motor Capacity Assessment; and walking capacity by a timed 10-metre walk. On cognitive tests, 55% (MMSE), 84% (FRR12RWT), and 45% (SDMT) of PwMS scored within the normal range; 27% of PwMS displayed normal manual dexterity, 9% had a maximal motor-capacity score, and 8% walked at normal speed. Factors associated with normal cognitive function were lower disability and higher education; lower disability and current employment were predictive of capacity to perform the NHPT and to walk 10 metres. In conclusion, cognitive function was normal in approximately half of the PwMS investigated, while a minority displayed normal manual dexterity and normal walking capacity. Thus, both disease severity and socio-demographic factors appear to influence cognitive and motor function in MS.
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| 24. |
- Einarsson, U, et al.
(författare)
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Multiple sclerosis in Stockholm County. A pilot study exploring the feasibility of assessment of impairment, disability and handicap by home visits
- 2003
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Ingår i: Clinical rehabilitation. - : SAGE Publications. - 0269-2155 .- 1477-0873. ; 17:3, s. 294-303
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Tidskriftsartikel (refereegranskat)abstract
- Objective: A pilot study performed within Stockholm County to evaluate the feasibility of collecting data using a comprehensive evaluation package administered in the home environment to assess impairment, disability and handicap in order to explore the consequences of multiple sclerosis (MS). Design: Home visits to 26 purposefully selected MS patients with different levels of disability, in both ordinary and sheltered living. The comprehensive evaluation package included: biographical data, Mini-Mental State Examination, Free Recall and Recognition of 12 Random Words Test, Symbol Digit Modalities Test, Beck Depression Index, Lindmark Motor Capacity Assessment, time to walk 10 metres, Nine-hole Peg Test, Barthel ADL Index, Katz Extended ADL Index, Frenchay Activities Index, Sickness Impact Profile and frequency of falls and injurious falls. Results: This pilot study demonstrates that the proposed methods can be used to evaluate MS patients differing in levels of disability and forms of living. The data collection method, based on home visits, was well accepted by the patients, their spouses and salaried personal assistants and could be performed within 2–21/2 hours. Conclusions: The evaluation package used in this pilot study is suitable for use in population-based studies and it should provide comprehensive information on the impact and consequences of MS on patients, and should contribute to the identification of areas in which the provision of rehabilitation and health care services needs to be improved.
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| 26. |
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| 27. |
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| 28. |
- Gomez, S., et al.
(författare)
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Differences between body movement adaptation to calf and neck muscle vibratory proprioceptive stimulation
- 2009
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Ingår i: Gait & Posture. - : Elsevier BV. - 1879-2219 .- 0966-6362. ; 30:1, s. 93-99
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Tidskriftsartikel (refereegranskat)abstract
- Adaptation is essential in maintaining stability during balance-challenging situations. We studied, ill standing subjects with eyes open and closed, adaptive responses of the anteroposterior head, shoulder, hip and knee movements: gastrocnemius and tibialis anterior EMG activity and anteroposterior body Posture when proprioceptive information from the neck or calf muscles underwent vibratory perturbations. After 30 s of quiet stance, vibratory stimuli were applied repeatedly for 200 s, and adaption to stimulation was analyzed in four successive 50 s periods. Repeated neck and calf vibration significantly increased linear body movement variance at all recorded sites (p < 0.001, except neck stimulation with eyes closed, EC-neck), increased tibialis anterior (p < 0.001, except EC-neck) and gastrocnemious muscle activity (p < 0.001). Most body movement variances and tibialis anterior EMG activity decreased significantly over time (most p-values < 0.01 or lower) and overall, the body leaning forward increased from 5.5 degrees to 6.5 degrees (p < 0.01). The characteristics of the responses were influenced by vision and site of vibration, e.g., neck vibration affected body Posture more rapidly than calf vibration. Our findings support the notion that proprioceptive perturbations have different effects in terms of nature, degree and adaptive response depending on site of vibratory proprioceptive stimulation, a factor that needs consideration in clinical investigations and design of rehabilitation programs. (C) 2009 Elsevier B.V. All rights reserved.
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| 29. |
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| 30. |
- Gottberg, K, et al.
(författare)
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Health-related quality of life in a population-based sample of people with multiple sclerosis in Stockholm County
- 2006
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Ingår i: Multiple sclerosis (Houndmills, Basingstoke, England). - : SAGE Publications. - 1352-4585 .- 1477-0970. ; 12:5, s. 605-612
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Tidskriftsartikel (refereegranskat)abstract
- The aim of this descriptive, cross-sectional study was to analyse health-related quality of life (HRQoL) in a population-based sample of people with multiple sclerosis (PwMS) in Stockholm County, with respect to disease-related and sociodemographic factors and coping capacity. A further aim was to compare our results on HRQoL - collected by face-to-face interviews at home-visits - with the results from a study with a mail-surveyed sample of PwMS in Stockholm. Home visits were made to 166 PwMS with clinically definite MS. Data were obtained from structured interviews using the Sickness Impact Profile (SIP), EuroQol-5D (EQ-5D) and the Sense of Coherence Scale. HRQoL was widely affected, especially in home management, walking and recreation. Self-rated HRQoL was worse in PwMS, including those with milder disease and shorter disease duration, than in the general population. Factors that were independently associated with large impact on HRQoL were disease severity, work status and coping capacity. The EQ-5D score of PwMS was more favourable when assessed by face-to face interviews at home in our study than in the study using mailed questionnaires. The study gives detailed information on HRQoL and will contribute to the base needed for organizing health care services aimed at improving HRQoL of PwMS in Stockholm.
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| 31. |
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| 32. |
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| 33. |
- Gottberg, K, et al.
(författare)
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Use of health care services and satisfaction with care in people with multiple sclerosis in Stockholm County: a population-based study
- 2008
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Ingår i: Multiple sclerosis (Houndmills, Basingstoke, England). - : SAGE Publications. - 1352-4585 .- 1477-0970. ; 14:7, s. 962-971
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Tidskriftsartikel (refereegranskat)abstract
- Objectives To explore and to describe the use of health, social, and informal care services and satisfaction with care in a population-based sample of people with multiple sclerosis (PwMS) in Stockholm County. Methods The sample consisted of 166 PwMS who participated in the Stockholm MS study. Data on the use of health care services and satisfaction with care and services in PwMS were collected through a computerized register and through home visits to PwMS using structured, face-to-face interviews. Results During the study period of 3 years, 92% had been in contact with out-patient departments of Neurology, and 76% had been in contact with other hospital out-patient departments. Some 83% were in contact with primary care, and primary care contacts constituted 54% of all out-patient care. One third of the PwMS (32%) used home help service (17%) or personal assistants (19%), and higher proportions used informal help from partners (37%). PwMS were in general satisfied with the care received, with the exception of access to coordinated rehabilitation and psychosocial counseling. The proportion of PwMS using inpatient, outpatient, and social/informal (excluding neurological) care increased with the degree of disease severity. Conclusions The great majority of PwMS use hospital specialist care and primary care in parallel, with many departments and services involved. Better accessibility of certain services, for example, psychosocial counseling and rehabilitation, and other improvements, for example efforts to provide coordinated and comprehensive care for PwMS may increase satisfaction with care and should be the focus of scientific evaluation.
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| 34. |
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| 35. |
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| 37. |
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| 38. |
- Kierkegaard, M, et al.
(författare)
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The relationship between walking, manual dexterity, cognition and activity/participation in persons with multiple sclerosis
- 2012
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Ingår i: Multiple sclerosis (Houndmills, Basingstoke, England). - : SAGE Publications. - 1477-0970 .- 1352-4585. ; 18:5, s. 639-646
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Tidskriftsartikel (refereegranskat)abstract
- Background: Multiple sclerosis has a vast impact on health, but the relationship between walking, manual dexterity, cognition and activity/participation is unclear. Objective: The specific aims were to explore the discriminative ability of measures of walking, manual dexterity and cognition, and to identify cut-off values in these measures, for prediction of independence in personal and instrumental activities of daily living (ADL) and activity/participation in social and lifestyle activities. Methods: Data from 164 persons with multiple sclerosis were collected during home visits with the following measures: the 2 × 5 m walk test, the Nine-hole Peg Test, the Symbol Digit Modalities Test, the Katz Personal and Instrumental ADL Indexes, and the Frenchay Activities Index (measuring frequency in social and lifestyle activities). Results: The 2 × 5 m walk test and the Nine-hole Peg Test had high and better discriminative and predictive ability than the Symbol Digit Modalities Test. Cut-off values were identified. The accuracy of predictions was increased above all by combining the 2 × 5 m walk test and the Nine-hole Peg Test. Conclusion: The proposed cut-off values in the 2 × 5 m walk test and the Nine-hole Peg Test may be used as indicators of functioning and to identify persons risking activity limitations and participation restrictions. However, further studies are needed to confirm the usefulness in clinical practice.
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| 39. |
- Kluge, Linda, 1968, et al.
(författare)
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Cumulative live birth rates after weight reduction in obese women scheduled for IVF: follow-up of a randomized controlled trial.
- 2019
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Ingår i: Human reproduction open. - : Oxford University Press (OUP). - 2399-3529. ; 2019:4
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Tidskriftsartikel (refereegranskat)abstract
- Did weight reduction in obese women scheduled for IVF increase cumulative live birth rate (CLBR) after 2years?Weight loss prior to IVF did not increase CLBR.Few studies have investigated the effect of weight reduction in obese infertile women scheduled for IVF. In a recent randomized controlled trial (RCT), including one IVF cycle, we found no increase in live birth rate after weight reduction. Weight regain after obesity reduction treatment often occurs, and children born to obese women have a higher risk of childhood obesity.A 2-year follow-up of a multicenter, RCT running between 2012 and 2018 was performed. Out of 317 women randomized to weight reduction followed by IVF treatment or IVF treatment-only, 305 remained in the full analysis set. Of these women, 90.5% (276/305) participated in this study.Nine infertility clinics in Sweden, Denmark and Iceland participated in the RCT. Obese women under 38years of age having a BMI ≥30 and<35kg/m2 were randomized to weight reduction and IVF or IVF-only. In all, 160 patients were randomized to a low calorie diet for 12weeks and 3-5weeks of weight stabilization, before IVF and 157 patients to IVF-only. Two years after randomization, the patients filled in a questionnaire regarding current weight, live births and ongoing pregnancies.42 additional live births were achieved during the follow-up in the weight reduction and IVF group, and 40 additional live births in the IVF-only group, giving a CLBR, the main outcome of this study, of 57.2% (87/152) and 53.6% (82/153), respectively (P=0.56; odds ratio (OR) 1.16, 95% CI: 0.74-1.52). Most of the women in the weight reduction and IVF group had regained their pre-study weight after 2years. The mean weight gain over the 2years was 8.6kg, while women in the IVF-only group had a mean weight loss of 1.2kg. At the 2-year follow-up, the weight standard deviation scores of the children born in the original RCT (index cycle) were 0.218 (1.329) (mean, SD) in the weight reduction and IVF group and-0.055 (1.271) (mean, SD) in the IVF-only group (P=0.25; mean difference between groups, 0.327; 95% CI: -0.272 to 0.932).All data presented in this follow-up study were self-reported by the participants, which could affect the results. A further limitation is in power for the main outcome. The study is a secondary analysis of a large RCT, where the original power calculation was based on live-birth rate after one cycle and not on CLBR.The follow-up indicates that for women with a BMI ≥30 and<35kg/m2 and scheduled for IVF, the weight reduction did not increase their chance of a live birth either in the index cycle or after 2years. It also shows that even in this highly motivated group, a regain of pre-study weight occurred.The 2-year follow-up was financed by grants from the Swedish state under the agreement between the Swedish Government and the county councils, the ALF-agreement (ALFGBG-70940 and ALFGBG-77690), Merck AB, Solna, Sweden (an affiliate of Merck KGaA, Darmstadt, Germany), Hjalmar Svensson Foundation. Ms Kluge has nothing to disclose. Dr Bergh has been reimbursed for lectures and other informational activities (Ferring, MSD, Merck, Gedeon Richter). Dr Einarsson has been reimbursed for lectures for Merck and Ferring. Dr Thurin-Kjellberg reports grants from Merck, and reimbursement for lectures from Merck outside the submitted work. Dr Pinborg has been reimbursed for lectures and other informational activities (Ferring, MSD, Merck, Gedeon Richter). Dr Englund has nothing to disclose.ClinicalTrials.gov number, NCT01566929.
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| 41. |
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| 42. |
- Lieber, R. L., et al.
(författare)
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Inferior mechanical properties of spastic muscle bundles due to hypertrophic but compromised extracellular matrix material
- 2003
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Ingår i: Muscle Nerve. - 0148-639X. ; 28:4, s. 464-71
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Tidskriftsartikel (refereegranskat)abstract
- The passive mechanical properties of small muscle fiber bundles obtained from surgical patients with spasticity (n = 9) and patients without neuromuscular disorders (n = 21) were measured in order to determine the relative influence of intracellular and extracellular components. For both types of patient, tangent modulus was significantly greater in bundles compared to identical tests performed on isolated single cells (P < 0.05). However, the relative difference between bundles and single cells was much greater in normal tissue than spastic tissue. The tangent modulus of normal bundles (462.5 +/- 99.6 MPa) was 16 times greater than normal single cells (28.2 +/- 3.3 MPa), whereas the tangent modulus of spastic bundles (111.2 +/- 35.5 MPa) was only twice that of spastic muscle cells (55.0 +/- 6.6 MPa). This relatively small influence of the extracellular matrix (ECM) in spastic muscle was even more surprising because spastic muscle cells occupied a significantly smaller fraction of the total specimen area (38.5 +/- 13.6%) compared to normal muscle (95.0 +/- 8.8%). Based on these data, normal muscle ECM is calculated to have a modulus of 8.7 GPa, and the ECM from spastic muscle of only 0.20 GPa. These data indicate that spastic muscle, although composed of cells that are stiffer compared to normal muscle, contains an ECM of inferior mechanical strength. The present findings illustrate some of the profound changes that occur in skeletal muscle secondary to spasticity. The surgical implications of these results are discussed.
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| 44. |
- Ljungvall, K, et al.
(författare)
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Delayed effects on plasma concentration of testosterone and testicular morphology by intramuscular low-dose di(2-ethylhexyl)phthalate or oestradiol benzoate in the prepubertal boar
- 2005
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Ingår i: Theriogenology. - : Elsevier. - 0093-691X .- 1879-3231. ; 64:5, s. 1170-1184
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Tidskriftsartikel (refereegranskat)abstract
- The immediate and delayed effects of prepubertal exposure to di(2-ethylhexyl)phthalate (DERP) or oestradiol benzoate on the plasma concentrations of testosterone, oestradiol and LH, as well as testicular morphology were examined in prepubertal boars. In a split litter design experiment, prepubertal boars were intramuscularly exposed to DEHP, oestradiol or vehicle during five weeks, starting at six weeks of age. The dose of DEHP was 50 mg/kg of bodyweight twice weekly, which is in the same range as recently used oral doses in rodents. Oestradiol-benzoate was administered at 0.25 mg/kg of bodyweight twice weekly. One set of animals was examined immediately after the exposure, and the other set was examined at an age of 7.5 months. During the exposure period concentrations of LH in plasma were lower (p = 0.02) in the oestradiol-treated animals than in the control group. In the group exposed to oestradiol, the relative to the body weight of the testicles tended to be lower (p = 0.07) than control immediately after five weeks of exposure, and the relative to the body weight of the seminal vesicles tended to be lower (p = 0.05) than control at 7.5 months of age. In the DEHP-exposed group an elevated (p = 0.005) concentration of testosterone and increased (p = 0.04) area of the Leydig cells in the testicles compared to the control group were seen at 7.5 months of age. These data suggest that DEHP early in life causes delayed effects on the reproductive system in the adult. (c) 2005 Elsevier Inc. All rights reserved.
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- Ljungvall, K, et al.
(författare)
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Early post-natal exposure to low dose oral di(2ethylhexyl) phthalate affects the peripheral LH-concentration in plasma, but does not affect mating behavior in the post-pubertal boar
- 2006
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Ingår i: Reproductive Toxicology. - : Elsevier. - 0890-6238 .- 1873-1708. ; 21:2, s. 160-166
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Tidskriftsartikel (refereegranskat)abstract
- In a split-litter design experiment, boars were exposed orally three times weekly to 300 mg/kg of di(2-ethylhexyl) phthalate (DEHP) between 3 and 7 weeks of age. Post-puberty, i.e. at 6 months of age the effects on endocrinology and mating behavior were examined. The response to stimulation with a synthetic GnRH-analogue at 9 months of age resulted initially in lower concentration of LH in the exposed animals, compared to the control animals. We did not find any effects of DEHP on the mating behavior. Also, the effects of DEHP during the treatment period on the plasma concentrations of testosterone, oestradiol and LH were examined. During the exposure period there was a transient decrease in plasma concentrations of LH in the control group, which did not occur in the boars exposed to DEHR The data suggest that DEHP in low repeated oral doses causes lasting effects on the hypothalamus-pituitary-gonadal axis. (c) 2005 Elsevier Inc. All rights reserved.
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