Abstract
Background
The cardiac dysfunction presented in cirrhotic patients is already known as cirrhotic cardiomyopathy. The pathogenesis of this entity is not fully understood.
Aims
The aim of this study was to evaluate the frequency and characteristics of cirrhotic cardiomyopathy and to investigate the possible role of bacterial endotoxemia on its aggravation.
Methods
Forty-five cirrhotics were studied by a tissue Doppler imaging echocardiography at rest and after stress. The diagnosis of left ventricular diastolic dysfunction was based on the latest guidelines of the American Society of Echocardiography, whereas its severity was defined by the E/e’av ratio. Endotoxemia was estimated by measuring the serum levels of lipopolysaccharide-binding protein (LBP) and cytokines.
Results
None of the patients had systolic dysfunction, but 17/45 (37.8 %) had a diastolic one. Patients with grade II diastolic dysfunction had significantly longer QTc (p = 0.049), larger left atrium volume (p = 0.013), higher Brain Natriuretic Peptide levels (p = 0.007) and higher LBP levels (p = 0.02), compared to those with normal cardiac function, without differences in the systemic hemodynamics and the cytokines’ levels. Moreover, the severity of diastolic dysfunction as reflected by the E/e’av. was significantly correlated with the LBP levels (p = 0.002). On the multivariate analysis, the LBP was independently associated with the presence of diastolic dysfunction.
Conclusions
Cirrhosis is commonly complicated by cardiac dysfunction. Patients with severe cirrhotic cardiomyopathy have higher LBP levels, which are significantly correlated with the degree of diastolic dysfunction. Our findings support a potential role of bacterial endotoxemia on the aggravation of cardiomyopathy in cirrhotic patients.


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Abbreviations
- LVDD:
-
Left ventricular diastolic dysfunction
- ADH:
-
Anti-diuretic hormone
- TNF-α:
-
Tumor necrosis factor α
- IL-6:
-
Interleukin 6
- L-1β:
-
Interleukin 1β
- NO:
-
Nitric oxide
- CC:
-
Cirrhotic cardiomyopathy
- SBP:
-
Spontaneous bacterial peritonitis
- LBP:
-
Lipopolysaccharide-binding protein
- BNP:
-
Brain natriuretic peptide
- ECG:
-
Electrocardiograph
- QTc:
-
Corrected QT interval
- PW:
-
Pulse wave
- TDI:
-
Tissue Doppler imaging
- HR:
-
Heart rate
- MAP:
-
Mean arterial pressure
- LVEDD:
-
Left ventricular end diastolic diameter
- LVESD:
-
Left ventricular end systolic diameter
- LAvol in:
-
Left atrium volume index
- LVEF%:
-
Left ventricular ejection fraction %
- CI:
-
Cardiac index
- SVRI:
-
Systemic vascular resistance index
- DT:
-
Deceleration time
- IVRT:
-
Isovolumetric relaxation time
- PASP:
-
Pulmonary artery systolic pressure
- MELD:
-
Model of end-stage liver disease
- HRS:
-
Hepatorenal syndrome
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Karagiannakis, D.S., Vlachogiannakos, J., Anastasiadis, G. et al. Frequency and Severity of Cirrhotic Cardiomyopathy and Its Possible Relationship with Bacterial Endotoxemia. Dig Dis Sci 58, 3029–3036 (2013). https://doi.org/10.1007/s10620-013-2693-y
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DOI: https://doi.org/10.1007/s10620-013-2693-y


