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Search: WFRF:(Flinck A)

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1.
  • Flinck, A, et al. (author)
  • Oral findings in a group of newborn Swedish children.
  • 1994
  • In: International Journal of Paediatric Dentistry. - 0960-7439. ; 4:2, s. 67-73
  • Journal article (peer-reviewed)abstract
    • Oral examinations were performed of 1021 newborn Swedish children, of whom 101 were re-examined after 2-3 or 4-5 months. The most common findings, registered in 74.9% of the children, were of oral mucosal cysts situated either palatally or on the alveolar ridges. The majority of the palatal cysts disappeared shortly after birth, and some alveolar cysts appeared after birth. Ankyloglossia was found in 2.5% of the children, and Fordyce spots in 1.0%. No natal teeth were found. The upper labial frenum was attached to the crest of the alveolar ridge in 76.7% of the children, palatally in 16.7% and buccally in 6.7%. The relationship of the alveolar ridges was recorded: the anterior segment of the mandibular ridge was distal to the maxillary in 99% of cases, and, posteriorly, the mandibular ridges were lingual to the maxillary in 97.6%. An open bite was found in 39.8% of the children.
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3.
  • Asplund, Sara, 1976, et al. (author)
  • Extended analysis of the effect of learning with feedback on the detectability of pulmonary nodules in chest tomosynthesis
  • 2011
  • In: Progress in Biomedical Optics and Imaging - Proceedings of SPIE. - : SPIE. - 1605-7422. ; 7966
  • Journal article (other academic/artistic)abstract
    • In chest tomosynthesis, low-dose projections collected over a limited angular range are used for reconstruction of section images of the chest, resulting in a reduction of disturbing anatomy at a moderate increase in radiation dose compared to chest radiography. In a previous study, we investigated the effects of learning with feedback on the detection of pulmonary nodules in chest tomosynthesis. Six observers with varying degrees of experience of chest tomosynthesis analyzed tomosynthesis cases for presence of pulmonary nodules. The cases were analyzed before and after learning with feedback. Multidetector computed tomography (MDCT) was used as reference. The differences in performance between the two readings were calculated using the jackknife alternative free-response receiver operating characteristics (JAFROC-2) as primary measure of detectability. Significant differences between the readings were found only for observers inexperienced in chest tomosynthesis. The purpose of the present study was to extend the statistical analysis of the results of the previous study, including JAFROC-1 analysis and FROC curves in the analysis. The results are consistent with the results of the previous study and, furthermore, JAFROC-1 gave lower p-values than JAFROC-2 for the observers who improved their performance after learning with feedback. © 2011 SPIE.
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5.
  • Asplund, Sara, 1976, et al. (author)
  • Learning aspects and potential pitfalls regarding detection of pulmonary nodules in chest tomosynthesis and proposed related quality criteria.
  • 2011
  • In: Acta radiologica. - : SAGE Publications. - 1600-0455 .- 0284-1851. ; 52:5, s. 503-512
  • Journal article (peer-reviewed)abstract
    • Background In chest tomosynthesis, low-dose projections collected over a limited angular range are used for reconstruction of an arbitrary number of section images of the chest, resulting in a moderately increased radiation dose compared to chest radiography. Purpose To investigate the effects of learning with feedback on the detection of pulmonary nodules for observers with varying experience of chest tomosynthesis, to identify pitfalls regarding detection of pulmonary nodules, and present suggestions for how to avoid them, and to adapt the European quality criteria for chest radiography and computed tomography (CT) to chest tomosynthesis. Material and Methods Six observers analyzed tomosynthesis cases for presence of nodules in a jackknife alternative free-response receiver-operating characteristics (JAFROC) study. CT was used as reference. The same tomosynthesis cases were analyzed before and after learning with feedback, which included a collective learning session. The difference in performance between the two readings was calculated using the JAFROC figure of merit as principal measure of detectability. Results Significant improvement in performance after learning with feedback was found only for observers inexperienced in tomosynthesis. At the collective learning session, localization of pleural and subpleural nodules or structures was identified as the main difficulty in analyzing tomosynthesis images. Conclusion The results indicate that inexperienced observers can reach a high level of performance regarding nodule detection in tomosynthesis after learning with feedback and that the main problem with chest tomosynthesis is related to the limited depth resolution.
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  • Bergström, Göran, 1964, et al. (author)
  • Prevalence of Subclinical Coronary Artery Atherosclerosis in the General Population
  • 2021
  • In: Circulation. - Philadelphia : American Heart Association. - 0009-7322 .- 1524-4539. ; 144:12, s. 916-929
  • Journal article (peer-reviewed)abstract
    • Background: Early detection of coronary atherosclerosis using coronary computed tomography angiography (CCTA), in addition to coronary artery calcification (CAC) scoring, may help inform prevention strategies. We used CCTA to determine the prevalence, severity, and characteristics of coronary atherosclerosis and its association with CAC scores in a general population.Methods: We recruited 30 154 randomly invited individuals age 50 to 64 years to SCAPIS (the Swedish Cardiopulmonary Bioimage Study). The study includes individuals without known coronary heart disease (ie, no previous myocardial infarctions or cardiac procedures) and with high-quality results from CCTA and CAC imaging performed using dedicated dual-source CT scanners. Noncontrast images were scored for CAC. CCTA images were visually read and scored for coronary atherosclerosis per segment (defined as no atherosclerosis, 1% to 49% stenosis, or ≥50% stenosis). External validity of prevalence estimates was evaluated using inverse probability for participation weighting and Swedish register data.Results: In total, 25 182 individuals without known coronary heart disease were included (50.6% women). Any CCTA-detected atherosclerosis was found in 42.1%; any significant stenosis (≥50%) in 5.2%; left main, proximal left anterior descending artery, or 3-vessel disease in 1.9%; and any noncalcified plaques in 8.3% of this population. Onset of atherosclerosis was delayed on average by 10 years in women. Atherosclerosis was more prevalent in older individuals and predominantly found in the proximal left anterior descending artery. Prevalence of CCTA-detected atherosclerosis increased with increasing CAC scores. Among those with a CAC score >400, all had atherosclerosis and 45.7% had significant stenosis. In those with 0 CAC, 5.5% had atherosclerosis and 0.4% had significant stenosis. In participants with 0 CAC and intermediate 10-year risk of atherosclerotic cardiovascular disease according to the pooled cohort equation, 9.2% had CCTA-verified atherosclerosis. Prevalence estimates had excellent external validity and changed marginally when adjusted to the age-matched Swedish background population.Conclusions: Using CCTA in a large, random sample of the general population without established disease, we showed that silent coronary atherosclerosis is common in this population. High CAC scores convey a significant probability of substantial stenosis, and 0 CAC does not exclude atherosclerosis, particularly in those at higher baseline risk.
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8.
  • Bergström, Göran, et al. (author)
  • Prevalence of Subclinical Coronary Artery Atherosclerosis in the General Population
  • 2021
  • In: Circulation. - : Wolters Kluwer. - 0009-7322 .- 1524-4539. ; 144:12, s. 916-929
  • Journal article (peer-reviewed)abstract
    • Background: Early detection of coronary atherosclerosis using coronary computed tomography angiography (CCTA), in addition to coronary artery calcification (CAC) scoring, may help inform prevention strategies. We used CCTA to determine the prevalence, severity, and characteristics of coronary atherosclerosis and its association with CAC scores in a general population.Methods: We recruited 30 154 randomly invited individuals age 50 to 64 years to SCAPIS (the Swedish Cardiopulmonary Bioimage Study). The study includes individuals without known coronary heart disease (ie, no previous myocardial infarctions or cardiac procedures) and with high-quality results from CCTA and CAC imaging performed using dedicated dual-source CT scanners. Noncontrast images were scored for CAC. CCTA images were visually read and scored for coronary atherosclerosis per segment (defined as no atherosclerosis, 1% to 49% stenosis, or ≥50% stenosis). External validity of prevalence estimates was evaluated using inverse probability for participation weighting and Swedish register data.Results: In total, 25 182 individuals without known coronary heart disease were included (50.6% women). Any CCTA-detected atherosclerosis was found in 42.1%; any significant stenosis (≥50%) in 5.2%; left main, proximal left anterior descending artery, or 3-vessel disease in 1.9%; and any noncalcified plaques in 8.3% of this population. Onset of atherosclerosis was delayed on average by 10 years in women. Atherosclerosis was more prevalent in older individuals and predominantly found in the proximal left anterior descending artery. Prevalence of CCTA-detected atherosclerosis increased with increasing CAC scores. Among those with a CAC score >400, all had atherosclerosis and 45.7% had significant stenosis. In those with 0 CAC, 5.5% had atherosclerosis and 0.4% had significant stenosis. In participants with 0 CAC and intermediate 10-year risk of atherosclerotic cardiovascular disease according to the pooled cohort equation, 9.2% had CCTA-verified atherosclerosis. Prevalence estimates had excellent external validity and changed marginally when adjusted to the age-matched Swedish background population.Conclusions: Using CCTA in a large, random sample of the general population without established disease, we showed that silent coronary atherosclerosis is common in this population. High CAC scores convey a significant probability of substantial stenosis, and 0 CAC does not exclude atherosclerosis, particularly in those at higher baseline risk.
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9.
  • Ericson, Marten, et al. (author)
  • Architecture landscape
  • 2023
  • In: Towards Sustainable and Trustworthy 6G: Challenges, Enablers, and Architectural Design. - 9781638282396 ; , s. 11-39
  • Book chapter (other academic/artistic)abstract
    • The network architecture evolution journey will carry on in the years ahead, driving a large scale adoption of 5th Generation (5G) and 5G-Advanced use cases with significantly decreased deployment and operational costs, and enabling new and innovative use-case-driven solutions towards 6th Generation (6G) with higher economic and societal values. The goal of this chapter, thus, is to present the envisioned societal impact, use cases and the End-to-End (E2E) 6G architecture. The E2E 6G architecture includes summarization of the various technical enablers as well as the system and functional views of the architecture.
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Skapa referenser, mejla, bekava och länka
  • Result 1-10 of 14
Type of publication
journal article (10)
conference paper (3)
book chapter (1)
Type of content
peer-reviewed (9)
other academic/artistic (5)
Author/Editor
Båth, Magnus, 1974 (8)
Rystedt, Hans, 1951 (4)
Ivarsson, Jonas, 197 ... (4)
Engström, Gunnar (2)
Allebeck, P (2)
Magnusson, Martin (2)
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Eriksson, Mats (2)
Lind, Lars (2)
Lindqvist, Per (2)
Persson, Margaretha (2)
Erlinge, David (2)
Persson, Anders (2)
Berglund, Göran (2)
Hagström, Emil (2)
Goncalves, Isabel (2)
Lindberg, Eva (2)
Ostenfeld, Ellen (2)
Jernberg, Tomas (2)
Söderberg, Stefan (2)
Swahn, Eva (2)
Östgren, Carl Johan (2)
de Faire, Ulf (2)
Hjelmgren, Ola (2)
Mohammad, Moman A. (2)
Börjesson, Mats, 196 ... (1)
Svensson, Tommy, 197 ... (1)
Angerås, Oskar, 1976 (1)
Bergström, Göran, 19 ... (1)
Ahlström, Håkan (1)
Ahlström, Håkan, 195 ... (1)
Rosengren, Annika, 1 ... (1)
Adiels, Martin, 1976 (1)
Björnson, Elias, 198 ... (1)
Alfredsson, Joakim, ... (1)
Sundström, Johan, Pr ... (1)
Nyström, Fredrik H. (1)
Rosengren, Annika (1)
Fagerberg, Björn, 19 ... (1)
Hakansson, M (1)
Engvall, Jan (1)
Engvall, Jan E. (1)
Blomberg, Anders, 19 ... (1)
Molnar, David (1)
Alfredsson, Joakim (1)
Sundström, Johan (1)
Hamon, Marie Helene (1)
Bergström, Göran (1)
Ekblom, Örjan, 1971- (1)
Blomberg, Anders (1)
Ekblom, Örjan (1)
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University
University of Gothenburg (9)
Karolinska Institutet (3)
Uppsala University (2)
Linköping University (2)
Umeå University (1)
Lund University (1)
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Mid Sweden University (1)
Chalmers University of Technology (1)
The Swedish School of Sport and Health Sciences (1)
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Language
English (14)
Research subject (UKÄ/SCB)
Medical and Health Sciences (11)
Social Sciences (2)
Engineering and Technology (1)
Agricultural Sciences (1)
Humanities (1)

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