Key result
The cardiac CP/ATP ratio correlates with heart failure severity and improves during clinical recompensation, despite having low specificity for diagnosing dilated cardiomyopathy.
Why the study?
The specificity of the CP/ATP ratio for diagnosing dilated cardiomyopathy and its relationship with heart failure severity were unclear.
Does the CP/ATP ratio measured by 31P magnetic resonance spectroscopy correlate with the diagnosis and severity of heart failure in patients with dilated cardiomyopathy and coronary artery disease?
Does the CP/ATP ratio measured by 31P magnetic resonance spectroscopy correlate with the diagnosis and severity of heart failure in patients with dilated cardiomyopathy and coronary artery disease?
Answers are grounded in this paper and cite their sources.
31P magnetic resonance spectroscopy reveals that altered cardiac high-energy phosphate metabolism correlates with heart failure severity rather than the specific underlying etiology.
Cardiac high-energy phosphate metabolism at rest is normal in LAD stenosis and chronic myocardial infarction in the absence of heart failure. The CP/ATP ratio has low specificity for the diagnosis of dilated cardiomyopathy. However, CP/ATP correlated with the clinical severity of heart failure and may improve during clinical recompensation.
No takes yet. Share an insight, caveat, or question.
Neubauer et al. (1992) studied this question. The cardiac CP/ATP ratio correlates with heart failure severity and improves during clinical recompensation, despite having low specificity for diagnosing dilated cardiomyopathy.
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