Publications by authors named "S W McKechnie"

Thrombocytopenic patients have an increased risk of bleeding when undergoing invasive procedures. In a multicentre, phase II, blinded, randomised, controlled feasibility trial, critically ill patients with platelet count 100 × 10/L or less were randomised 1:1 to intravenous desmopressin (0.3 µg/kg) or placebo before an invasive procedure.

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Sepsis is a clinical syndrome of life-threatening organ dysfunction caused by a dysregulated response to infection, for which disease heterogeneity is a major obstacle to developing targeted treatments. We have previously identified gene-expression-based patient subgroups (sepsis response signatures [SRS]) informative for outcome and underlying pathophysiology. Here, we aimed to investigate the role of genetic variation in determining the host transcriptomic response and to delineate regulatory networks underlying SRS.

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Article Synopsis
  • - Sepsis is a severe response to infection that causes life-threatening organ dysfunction, highlighting the need for better understanding and new treatments for this global health issue.
  • - Researchers utilized high-throughput tandem mass spectrometry to analyze the plasma proteins of sepsis patients compared to other groups, collecting extensive data from over 2,600 samples to identify specific protein changes and disease features.
  • - The findings offer insights into the immune response to sepsis, helping to pinpoint subtypes of the condition, potential biomarkers for diagnosis, and paving the way for personalized treatment strategies.
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Rationale: Heterogeneity of the host response within sepsis, acute respiratory distress syndrome (ARDS) and more widely critical illness, limits discovery and targeting of immunomodulatory therapies. Clustering approaches using clinical and circulating biomarkers have defined hyper-inflammatory and hypo-inflammatory subphenotypes in ARDS associated with differential treatment response. It is unknown if similar subphenotypes exist in sepsis populations where leucocyte transcriptomic-defined subphenotypes have been reported.

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