Journal article
Predation by feral cats key to the failure of a long-term reintroduction of the western barred bandicoot (Perameles bougainville)
Wildlife Research, Vol.43(1), pp.38-50
2016
Abstract
Aim
It is uncertain whether hypocalcaemia is associated with an increased risk of bleeding. This study assessed the dose-related relationship between ionised calcium concentrations and in vitro clot strength measured by maximum amplitude (MA) on the thromboelastograph (TEG).
Methods
A total of 610 patients who were at risk of bleeding or had active bleeding between 2010 and 2014 were considered in this retrospective cohort study. A scatter plot with Pearson correlation coefficient (r) and multiple linear regression was used to assess the dose-related relationship between ionised calcium concentrations and MA on the TEG.
Results
The mean ionised calcium of the patients was 1•10 mmol L−1 (interquartile range: 1•04–1•17) and 235 (38•5%) of them had hypocalcaemia (<1•1 mmol L−1). Hypocalcaemia was more common in patients with significant coexisting coagulopathy. Ionised calcium concentrations (r = 0•285, 95% confidence interval (CI) 0•211–0•356, P = 0•001), as well as fibrinogen concentrations, platelet counts, international normalised ratio (INR) and activated Partial Thromboplastin Time (aPTT), had a significant linear correlation with the MA on the TEG. Ionised calcium concentrations and its interaction term with platelet count were both significantly associated with the MA on the TEG (slope of the regression line 1•1 per 0•1 mmol L−1 increment, 95%CI 0•3 to 1•9, P = 0•011), after adjusting for fibrinogen concentrations, platelet counts, INR and aPTT.
Conclusions
Ionised calcium concentrations had a concentration-dependent association with in vitro clot strength after adjusting for other coagulation abnormalities in patients with coexisting coagulopathy. Maintaining a normal ionised calcium concentration, >1 mmol L−1, during critical bleeding is recommended.
Details
- Title
- Predation by feral cats key to the failure of a long-term reintroduction of the western barred bandicoot (Perameles bougainville)
- Authors/Creators
- J. Short (Author/Creator) - Murdoch University
- Publication Details
- Wildlife Research, Vol.43(1), pp.38-50
- Publisher
- CSIRO Publishing
- Identifiers
- 991005540124407891
- Copyright
- © 2016 CSIRO
- Murdoch Affiliation
- School of Veterinary and Life Sciences
- Language
- English
- Resource Type
- Journal article
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- Citation topics
- 3 Agriculture, Environment & Ecology
- 3.35 Zoology & Animal Ecology
- 3.35.274 Wildlife Ecology
- Web Of Science research areas
- Ecology
- Zoology
- ESI research areas
- Plant & Animal Science