Background: Cirrhosis was found to be associated with echocardiographic abnormalities (ECHOABN)
such as left ventricular hypertrophy (LVH), systolic dysfunction (LVSD) and diastolic
dysfunction (LVDD), as well as left atrial enlargement (LAE). Recent studies have
highlighted the importance of the cardiac reserve for the adaptive response to acute
circulatory stress in advanced cirrhosis, e.g. in patients with infections such as
spontaneous bacterial peritonitis (SBP).
Aim: To assess the impact of abnormalities in cardiac structure and function in routine
echocardiography on mortality in patients with cirrhosis and ascites (A) without SBP
and (B) after a SBP episode.
Methods: One hundred twenty-seven patients with cirrhosis who underwent their first paracentesis
at the Medical University of Vienna and did not develop SBP during the follow-up (group:
no-SBP), as well as 78 patients diagnosed with SBP (group: SBP) with available information
on routine echocardiography were included in this retrospective cohort study. Cox
models were calculated to investigate the effect of echocardiographic abnormalities
on transplant-free survival (TFS) and adjusted for potential confounding variables.
Results: The prevalence of significant ECHOABNs was: LVH: 20%, LVSD: 2%, LVDD: 16%, and LAE:
18%. The proportion of patients with ECHOABNs in the SBP group (55%) was higher, when
compared to no-SBP patients (37%; P= 0.011).
While the presence of ECHOABNs had no impact on TFS in the no-SBP group (hazard ratio
(HR): 1.183, 95% confidence interval (95% CI): 0.711 – 1.969; P= 0.776), it was associated with substantially increased mortality in the SBP group
(HR: 1.914, 95% CI: 1.026 – 3.571; P= 0.041).
Conclusions: The prevalence of ECHOABNs in patients with cirrhosis and ascites is high and further
increases in patients with more advanced stages of cirrhosis, such as patients with
SBP. Development of SBP may reveal impairments in the adaptive response to acute circulatory
stress due to latent cardiac dysfunction, as the presence of ECHOABNs was associated
with increased mortality in this subgroup of patients.