European journal of anaesthesiology
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Randomized Controlled Trial
Methadone for postoperative analgesia: contribution of N-methyl-D-aspartate receptor antagonism: A randomised controlled trial.
Over the past number of years, N-methyl-D-aspartate (NMDA) inhibitory drugs, like ketamine, have been introduced as adjuvant treatments for postoperative acute pain, within a multimodal approach. A further extension of this strategy could be the use of opioids with NMDA receptor (NMDAr) antagonism activity for control of postoperative pain. Methadone has a unique pharmacodynamic profile: it is both a μ-agonist and an NMDAr-blocker. ⋯ ClinicalTrials.gov, no.: NCT01594047.
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Many trauma centres have adopted the administration of fixed ratios of packed red blood cells (PRBCs), platelet concentrates and fresh frozen plasma (FFP) for bleeding patients. However, the haemostatic efficacy of this concept is not well proven. ⋯ Use of coagulation factor concentrates for the reconstitution of blood allows for delivery of a higher haematocrit and a higher fibrinogen content compared with FFP. However, prothrombin complex concentrate might result in an unnecessary excess of thrombin generation. Clinical studies are warranted to further investigate these in vitro findings.
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Observational Study
Very early changes in serum creatinine are associated with 30-day mortality after cardiac surgery: A cohort study.
Acute kidney injury predicts adverse outcomes after cardiac surgery. ⋯ Even minimal, ultra-short-term increases in SCrea levels after cardiac surgery are associated with increased 30-day mortality. Adjustment for fluid balance strengthens this association. The change in SCrea between baseline and after admission to the Intensive Care Unit (ΔSCreaAdmICU) can serve as a simple, cheap and widely available marker for very early risk stratification after cardiac surgery.