Key result
Immunization with the ADP-ATP carrier significantly lowered mean aortic pressure, stroke volume, stroke work, and external heart work to about 20% of control levels in guinea pig hearts (p<0.005).
Why the study?
Does immunization with the ADP-ATP carrier impair cardiac function in isolated guinea pig hearts?
Population
Isolated hearts of guinea pigs preimmunized with the ADP-ATP carrier protein
Comparison
Immunization with the ADP-ATP carrier protein vs Nonimmunized animals (control hearts)
Design
Preclinical
Authors
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Suggests autoimmunity impairs cardiac energetics in guinea pigs; leaves open relevance to human dilated cardiomyopathy post-myocarditis.
Does immunization with the ADP-ATP carrier impair cardiac function in isolated guinea pig hearts?
p-value: p=<0.005
Autoimmunity to the ADP-ATP carrier significantly impairs cardiac function and energy metabolism in isolated guinea pig hearts, suggesting a pathophysiological mechanism for dilated cardiomyopathy following myocarditis.
Schulze et al. (1990) studied Myocarditis and dilated cardiomyopathy. Immunization with ADP-ATP carrier protein vs. Nonimmunized animals was evaluated on Hemodynamic parameters (mean aortic pressure, stroke volume, stroke work, and external heart work) (p=<0.005). Immunization with the ADP-ATP carrier significantly lowered mean aortic pressure, stroke volume, stroke work, and external heart work to about 20% of control levels in guinea pig hearts (p<0.005).
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