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Search: WFRF:(Chu YW)

  • Result 1-16 of 16
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1.
  • 2021
  • swepub:Mat__t
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  • Bravo, L, et al. (author)
  • 2021
  • swepub:Mat__t
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  • Tabiri, S, et al. (author)
  • 2021
  • swepub:Mat__t
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  • Khatri, C, et al. (author)
  • Outcomes after perioperative SARS-CoV-2 infection in patients with proximal femoral fractures: an international cohort study
  • 2021
  • In: BMJ open. - : BMJ. - 2044-6055. ; 11:11, s. e050830-
  • Journal article (peer-reviewed)abstract
    • Studies have demonstrated high rates of mortality in people with proximal femoral fracture and SARS-CoV-2, but there is limited published data on the factors that influence mortality for clinicians to make informed treatment decisions. This study aims to report the 30-day mortality associated with perioperative infection of patients undergoing surgery for proximal femoral fractures and to examine the factors that influence mortality in a multivariate analysis.SettingProspective, international, multicentre, observational cohort study.ParticipantsPatients undergoing any operation for a proximal femoral fracture from 1 February to 30 April 2020 and with perioperative SARS-CoV-2 infection (either 7 days prior or 30-day postoperative).Primary outcome30-day mortality. Multivariate modelling was performed to identify factors associated with 30-day mortality.ResultsThis study reports included 1063 patients from 174 hospitals in 19 countries. Overall 30-day mortality was 29.4% (313/1063). In an adjusted model, 30-day mortality was associated with male gender (OR 2.29, 95% CI 1.68 to 3.13, p<0.001), age >80 years (OR 1.60, 95% CI 1.1 to 2.31, p=0.013), preoperative diagnosis of dementia (OR 1.57, 95% CI 1.15 to 2.16, p=0.005), kidney disease (OR 1.73, 95% CI 1.18 to 2.55, p=0.005) and congestive heart failure (OR 1.62, 95% CI 1.06 to 2.48, p=0.025). Mortality at 30 days was lower in patients with a preoperative diagnosis of SARS-CoV-2 (OR 0.6, 95% CI 0.6 (0.42 to 0.85), p=0.004). There was no difference in mortality in patients with an increase to delay in surgery (p=0.220) or type of anaesthetic given (p=0.787).ConclusionsPatients undergoing surgery for a proximal femoral fracture with a perioperative infection of SARS-CoV-2 have a high rate of mortality. This study would support the need for providing these patients with individualised medical and anaesthetic care, including medical optimisation before theatre. Careful preoperative counselling is needed for those with a proximal femoral fracture and SARS-CoV-2, especially those in the highest risk groups.Trial registration numberNCT04323644
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  • Wang, ZJ., et al. (author)
  • Metabolic flux analysis of the central carbon metabolism of the industrial vitamin B-12 producing strain Pseudomonas denitrificans using C-13-labeled glucose
  • 2012
  • In: Journal of the Taiwan Institute of Chemical Engineers. - : Elsevier BV. - 1876-1070. ; 43:2, s. 181-187
  • Journal article (peer-reviewed)abstract
    • The network topology and metabolic fluxes of central carbon metabolism in the industrial vitamin B-12 producing strain Pseudomonas denitrificans were characterized under oxygen limiting levels. Cultivations were carried out with 100% [1-C-13] or 20% [U-C-13] glucose as substrates under different oxygen supply conditions. The labeling patterns of the proteinogenic amino acids of exponentially growing cells were used to accurately estimate the fluxes in the central carbon metabolism of P. denitrificans. Metabolic flux analysis showed that glucose was mostly catabolized by the Entner-Doudoroff and pentose phosphate pathways. Up to 33% of glucose was consumed via the PP pathway under high specific oxygen uptake rate (SOUR) conditions. This amount was 77.9% higher than that under low oxygen uptake conditions. Quantitative evidence was also found for reversible serine hydroxymethyl transferase and threonine aldolase activities. Metabolic flux and cofactor analyses further showed that higher SOUR accelerated the supply of precursors and methyl groups. SOUR also provided more NADPH for higher vitamin B12 production under the same glucose consumption.
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16.
  • Thomas, HS, et al. (author)
  • 2019
  • swepub:Mat__t
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  • Result 1-16 of 16

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