31 research outputs found

    Statistical strategies for avoiding false discoveries in metabolomics and related experiments

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    Meloxicam and dexamethasone administration as anti-Inflammatory compounds to sows prior to farrowing does not improve lactation performance

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    The aim of this experiment was to determine whether administration of an anti-inflammatory compound to sows prior to farrowing would, via reduced pain and inflammation, increase piglet survival and growth. At day 114 of gestation, multiparous sows were randomly allocated to one of the following treatments: Control (n = 43), which received 10 mL saline, NSAID (n = 55) which received 0.4 mg/kg meloxicam and SAID (n = 54) which received 0.1 mg/kg dexamethasone. Treatments were applied again on day 116 if farrowing had not occurred. There was no treatment effect on piglets born alive or dead from parity two to four sows but in those of parity five and older, NSAID administration reduced the number of piglets born alive and increased the number of piglets born dead (p 0.05). Lactation day two plasma concentrations of cortisol, prostaglandin F2 alpha metabolite and haptoglobin did not differ among treatments (p > 0.05). Treatment effects were not observed in liveborn piglet mortality at any age, or litter weight at day 21 (p > 0.05). Average feed intake during lactation was increased by both NSAID and SAID treatments (p = 0.001). The use of meloxicam prior to farrowing should be avoided as it reduced the number of piglets born alive and did not improve piglet survival and growth

    What explains variations in the clinical use of mild cognitive impairment (MCI) as a diagnostic category?

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    Background: Mild cognitive impairment (MCI) is proposed to describe the transitional stage between normal cognitive aging and dementia. It has had significant impact in the field of dementia research, but it remains controversial whether or not it should be used as a diagnostic category in clinical practice. Methods: Semi-structured interviews were carried out with international experts (N = 37) in the field of dementia research and practice. These interviews explored the advantages and difficulties of using MCI as a clinical diagnosis. Results: There is wide variation in the clinical use of MCI. This variation depends on institutional factors and two types of cultural factors: (a) clinical culture, and (b) the “evidential culture” – how research and guidelines figure in clinical practice. Conclusion: The study shows the importance of combining values-based practice with evidence-based practice in the early diagnosis of dementia
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