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| 2. |
- Ranta, S., et al.
(författare)
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High need for intensive care in paediatric acute myeloid leukaemia: A population-based study
- 2022
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Ingår i: Acta Paediatrica. - : Wiley. - 0803-5253 .- 1651-2227. ; 111:11, s. 2235-2241
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Tidskriftsartikel (refereegranskat)abstract
- Aim Risk of treatment-related life-threatening toxicity is high in childhood acute myeloid leukaemia (AML), and access to intensive care units (ICU) is crucial. We explored the ICU admission rate and outcome after intensive care in childhood AML in Sweden. Methods Patients diagnosed between 2008 and 2016 were identified from the Swedish Childhood Cancer Registry (SCCR), a national quality registry. Data from SCCR was cross-referenced with clinical questionnaire data from paediatric oncology centers and the Swedish Intensive Care Registry (SIR), another national quality registry. Results According to combined data, 46% of the children (58/126) were admitted to ICU, 17% (21/126) within 1 month from diagnosis. Overall, ICU mortality per admission was 12% and 6% during first-line treatment. There was a discrepancy between admission rate from the clinical questionnaires and SCCR (29%; 36/126 children) and SIR (44%; 55/126) All deaths during first-line treatment occurred at or after ICU care. Conclusion Although admission rate under AML treatment was high, the treatment-related mortality under first-line treatment was low. No child died under first-line treatment without admission to ICU, suggesting good availability. The discrepancy between the two registries, SCCR and SIR, highlights the need for future validation of registry data.
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| 3. |
- Svahn, Tony M, et al.
(författare)
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Comparison of photon-counting and flat-panel digital mammmography for the purpose of 3D imaging using a novel image processing method
- 2021
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Ingår i: Radiation Protection Dosimetry. - : Oxford University Press. - 0144-8420 .- 1742-3406. ; 195:3-4, s. 454-461
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Tidskriftsartikel (refereegranskat)abstract
- The purpose of the present work was to compare the quality of low-dose projections from a photon-counting with a flat-panel system, and to evaluate a novel image processing method. Images were acquired of phantoms in both systems at average glandular doses ranging from similar to 0.15 to 1.4 mGy. Automated detection of low-contrast features and modulation transfer functions were evaluated in phantom images. The novel image processing method was compared with standard processing in a series of clinical cases. At low-doses (similar to 0.15) the photon-counting system out-performed the flat-panel system with a much higher detectability of low-contrast features. The novel algorithm was superior to both manufacturers' processing in terms of conspicuity of soft-tissue lesions (p > 0.05), whereas it was not significantly different in calcification conspicuity. Photon-counting should allow more low-dose projections to be acquired at the same total dose. The novel image enhancer can help to further increase the image quality.
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| 4. |
- Svahn, Tony M, et al.
(författare)
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Comparison of Pulmonary Nodule Detection, Reading Times and Patient Doses of Ultra-Low Dose CT, Standard Dose CT and Digital Radiography
- 2021
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Ingår i: Radiation Protection Dosimetry. - : Oxford University Press. - 0144-8420 .- 1742-3406. ; 196:3-4, s. 234-240
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Tidskriftsartikel (refereegranskat)abstract
- The purpose of the present work was to evaluate performance in pulmonary nodule detection, reading times and patient doses for ultra-low dose computed tomography (ULD-CT), standard dose chest CT (SD-CT), and digital radiography (DR). Pulmonary nodules were simulated in an anthropomorphic lung phantom. Thirty cases, 18 with lesions (45 total lesions of 3-12 mm) and 12 without lesions were acquired for each imaging modality. Three radiologists interpreted the cases in a free-response study. Performance was assessed using the JAFROC figure-of-merit (FOM). Performance was not significantly different between ULD- CT and SD-CT (FOMs: 0.787 vs 0.814; Delta FOM: 0.03), but both CT techniques were superior to DR (FOM: 0.541; Delta FOM: 0.31 and 0.28). Overall, the CT modalities took longer time to interpret than DR. ULD chest CT may serve as an alternative to both SD-CT and conventional radiography, considerably reducing dose in the first case and improving diagnostic accuracy in the second.
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| 7. |
- George-Svahn, Lisa, et al.
(författare)
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Barriers to HIV testing as reported by individuals newly diagnosed with HIV infection in Sweden
- 2021
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Ingår i: AIDS Care. - : Taylor & Francis. - 0954-0121 .- 1360-0451. ; 33:10, s. 1286-1295
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Tidskriftsartikel (refereegranskat)abstract
- Despite the availability of free and anonymous HIV testing almost 60% of Swedish patients are diagnosed late. Identifying predictors of different types of barriers could inform policy makers and health care of interventions to increase testing where needed. This cross-sectional study aimed to describe and analyze barriers to HIV testing as reported by Swedish patients newly diagnosed with HIV infection. N = 285 patients completed the 18-item Barriers to HIV Testing Scale - Karolinska Version. Descriptive analysis and logistic regressions were performed to assess the prevalence of barriers and to identify predictors for the different investigated barriers. Barriers to testing were reported by 60%. Approximately 67% of patients originating from Sweden, 50% from Sub-Saharan Africa and 75% from Eastern European/East Asian countries reported barriers. Patients who were younger and patients who self-initiated HIV testing, had greater odds of reporting a barrier than older individuals and those who were offered a test through screening or by a healthcare professional. To counteract barriers that still exist on an individual level, healthcare-initiated HIV testing could be offered more broadly and information about risks for transmission and effectiveness of HIV treatment still needs to be disseminated among both people born in Sweden and different migrant groups.
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| 9. |
- Pulkkinen, Karoliina, et al.
(författare)
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The value of values in climate science
- 2022
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Ingår i: Nature Climate Change. - : Springer Nature. - 1758-678X .- 1758-6798. ; 12:1, s. 4-6
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Tidskriftsartikel (refereegranskat)
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| 10. |
- Ranta, Susanna, et al.
(författare)
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Extracorporeal Membrane Oxygenation Support in Children With Hematologic Malignancies in Sweden
- 2021
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Ingår i: Journal of Pediatric Hematology/Oncology. - : Wolters Kluwer. - 1077-4114 .- 1536-3678. ; 43:2, s. e272-e275
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Tidskriftsartikel (refereegranskat)abstract
- Background: Extracorporeal membrane oxygenation (ECMO) is used in severe respiratory and/or circulatory failure when conventional critical care fails. Studies on patients with hematologic malignancies on ECMO have shown contradictory results; immunosuppression and coagulopathy are relative contraindications to ECMO.Observations: This nationwide Swedish retrospective chart review identified 958 children with hematologic malignancies of whom 12 (1.3%) required ECMO support. Eight patients survived ECMO, 7 the total intensive care period, and 6 survived the underlying malignancy.Conclusions: ECMO may be considered in children with hematologic malignancy. Short-term and long-term survival, in this limited group, was similar to that of children on ECMO at large.
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