Wythe, S;
Davies, TW;
O'Beirne, J;
Martin, D;
Gilbert‐Kawai, E;
(2019)
Observational study of the microcirculation in patients with liver cirrhosis.
JGH Open
10.1002/jgh3.12196.
(In press).
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Abstract
Background and Aim: Liver cirrhosis is associated with widespread microcirculatory dysfunction and hemodynamic derangement, which may play a role in the pathogenesis of multiple organ failure. Little is known, however, about the progression of microvascular alterations as the severity of liver disease worsens. Therefore, our aim is to quantify the peripheral systemic microcirculatory changes associated with increasing severity of liver cirrhosis. / Methods: Forty patients with liver cirrhosis were studied and divided into groups based on Child‐Pugh classes A (n = 9), B (n = 18), and C (n = 13) for comparison. Incident dark field imaging was used to evaluate the sublingual microcirculation and near‐infrared spectroscopy at the thenar eminence to assess microvascular reactivity and function. / Results: There was no difference in microcirculatory flow index (P = 0.655), heterogeneity index (P = 0.702), or vessel density (P = 0.923) between the different Child‐Pugh groups. Microvascular reactivity did not change as the severity of liver disease worsened. / Conclusions: This study showed no association between peripheral systemic microcirculatory alterations and the severity of liver disease. Further research with larger study cohorts are needed to clarify the relationship between microcirculatory abnormalities and disease progression and to establish if the peripheral microcirculation is affected by the pathophysiology of worsening cirrhosis.
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