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- Goetz, W., et al.
(författare)
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MOMA : The challenge to search for organics and biosignatures on Mars
- 2016
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Ingår i: International Journal of Astrobiology. - : Cambridge University Press. - 1473-5504 .- 1475-3006. ; 15:3, s. 239-250
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Tidskriftsartikel (refereegranskat)abstract
- This paper describes strategies to search for, detect, and identify organic material on the surface and subsurface of Mars. The strategies described include those applied by landed missions in the past and those that will be applied in the future. The value and role of ESA's ExoMars rover and of her key science instrument Mars Organic Molecule Analyzer (MOMA) are critically assessed.
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| 4. |
- Grand, Johannes, et al.
(författare)
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Mean arterial pressure during targeted temperature management and renal function after out-of-hospital cardiac arrest
- 2019
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Ingår i: Journal of Critical Care. - : Elsevier BV. - 0883-9441. ; 50, s. 234-241
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Tidskriftsartikel (refereegranskat)abstract
- Purpose: This study investigates the association between mean arterial pressure (MAP) and renal function after out-of-hospital cardiac arrest (OHCA). Materials and methods: Post-hoc analysis of 851 comatose OHCA-patients surviving >48 h included in the targeted temperature management (TTM)-trial. Results: Patients were stratified by mean MAP during TTM in the following groups; <70 mmHg (22%), 70–80 mmHg (43%), and > 80 mmHg (35%). Median (interquartile range) eGFR (ml/min/1.73 m2) 48 h after OHCA was inversely associated with MAP-group (70 (47–102), 84 (56–113), 94 (61–124), p <.001, for the <70-group, 70–80-group and > 80-group respectively). After adjusting for potential confounders, in a mixed model including eGFR after 1, 2 and 3 days this association remained significant (pgroup_adjusted = 0.0002). Higher mean MAP was independently associated with lower odds of renal replacement therapy (odds ratioadjusted = 0.77 [95% confidence interval, 0.65–0.91] per 5 mmHg increase; p =.002]). Conclusions: Low mean MAP during TTM was independently associated with decreased renal function and need of renal replacement therapy in a large cohort of comatose OHCA-patients. Increasing MAP above the recommended 65 mmHg could potentially be renal-protective. This hypothesis should be investigated in prospective trials.
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| 5. |
- Grand, J., et al.
(författare)
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Serum tau fragments as predictors of death or poor neurological outcome after out-of-hospital cardiac arrest
- 2019
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Ingår i: Biomarkers. - 1354-750X. ; 24:6, s. 584-591
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Tidskriftsartikel (refereegranskat)abstract
- Background: Anoxic brain injury is the primary cause of death after resuscitation from out-of-hospital cardiac arrest (OHCA) and prognostication is challenging. The aim of this study was to evaluate the potential of two fragments of tau as serum biomarkers for neurological outcome. Methods: Single-center sub-study of 171 patients included in the Target Temperature Management (TTM) Trial randomly assigned to TTM at 33 °C or TTM at 36 °C for 24 h after OHCA. Fragments (tau-A and tau-C) of the neuronal protein tau were measured in serum 24, 48 and 72 h after OHCA. The primary endpoint was neurological outcome. Results: Median (quartile 1–quartile 3) tau-A (ng/ml) values were 58 (43–71) versus 51 (43–67), 72 (57–84) versus 71 (59–82) and 76 (61–92) versus 75 (64–89) for good versus unfavourable outcome at 24, 48 and 72 h, respectively (pgroup = 0.95). Median tau C (ng/ml) values were 38 (29–50) versus 36 (29–49), 49 (38–58) versus 48 (33–59) and 48 (39–59) versus 48 (36–62) (pgroup = 0.95). Tau-A and tau-C did not predict neurological outcome (area under the receiver-operating curve at 48 h; tau-A: 0.51 and tau-C: 0.51). Conclusions: Serum levels of tau fragments were unable to predict neurological outcome after OHCA. © 2019, © 2019 Informa UK Limited, trading as Taylor & Francis Group.
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