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Updated: Aug 9, 2026

Isolation of Atrial Myocytes from Adult Mice
Published on: July 25, 2019
B-type natriuretic peptide concentrations and myocardial dysfunction in critical illness
D J Sturgess1, T H Marwick, C J Joyce
1Department of Intensive Care, Princess Alexandra Hospital, University of Queensland, Brisbane, Queensland, Australia.
B-type natriuretic peptide (BNP) assays show promise for evaluating myocardial dysfunction in critically ill patients. Further research is needed to refine its role in diagnosis, risk stratification, and guiding therapy in diverse critical care settings.
Area of Science:
- Critical Care Medicine
- Cardiology
- Biomarker Research
Background:
- B-type natriuretic peptide (BNP) is a key biomarker for left ventricular dysfunction.
- Point-of-care testing has increased clinical interest and research into BNP's utility.
- BNP's role in critically ill patients requires comprehensive evaluation.
Purpose of the Study:
- To review and synthesize current evidence on BNP assay use in critically ill humans with myocardial dysfunction.
- To explore BNP's application across various organ systems and disease categories in critical care.
Main Methods:
- Systematic review and assimilation of existing research on BNP assays in critically ill populations.
- Information organized by organ system and disease category for clarity.
Main Results:
- BNP assays have been studied in conditions like acute dyspnea and subarachnoid hemorrhage.
- BNP shows potential in diagnosing, assessing severity, stratifying risk, and prognosing cardiac dysfunction.
- Heterogeneity in critically ill patients may necessitate varied BNP cut-off values.
Conclusions:
- BNP assay offers complementary information to conventional methods for cardiac dysfunction evaluation.
- Further research is essential to validate BNP's role in managing critically ill patients with life-threatening cardiac conditions.
- Multi-marker strategies may enhance prognostication and therapy evaluation in critical care settings.
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