ArticleAnnals of gastroenterology
Capillary microvascular function in patients with liver cirrhosis: a nailfold video-capillaroscopy study.
Article in Annals of gastroenterology. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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8 authors.
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Abstract
Background: Liver cirrhosis is characterized by major circulatory dysregulation, related to an imbalance between several vasoactive agents. Although alterations in intrahepatic and systemic vasculature have been rather well described, the peripheral microcirculation and endothelial function are less well studied. Our aim was to evaluate peripheral microcirculatory function in patients with cirrhosis via nailfold video-capillaroscopy. Methods: We enrolled 60 patients with cirrhosis and 20 controls. All participants underwent nailfold video-capillaroscopy. Capillary density was measured at rest (baseline), after 4-min arterial occlusion (post-occlusive reactive hyperemia) and after 2-min venous congestion. Results: Cirrhotic patients presented lower capillary density than controls at baseline (35.8±3.6 vs. 38±1.1 capillaries/mm Conclusions: Capillary density in all phases was significantly lower in cirrhotic patients compared to controls. Moreover, a lower capillary density was associated with deteriorating Child-Pugh stages, suggesting that increasing severity of cirrhosis is associated with more impaired peripheral microcirculatory function.
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