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首页> 外文期刊>Hepatology: Official Journal of the American Association for the Study of Liver Diseases >The significance of nonobstructive sinusoidal dilatation of the liver: Impaired portal perfusion or inflammatory reaction syndrome
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The significance of nonobstructive sinusoidal dilatation of the liver: Impaired portal perfusion or inflammatory reaction syndrome

机译:肝非阻塞性正弦扩张的意义:门脉灌注受损或炎症反应综合征

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摘要

Sinusoidal dilatation found in the absence of an impaired sinusoidal blood outflow has been so far of unclear significance. Sinusoidal dilatation may actually be a nonspecific feature of impaired portal venous blood inflow, whatever the cause, or a feature of severe systemic inflammatory reaction syndrome, whatever the cause. Sinusoidal dilatation is mainly located in the centrilobular area even in the absence of an outflow block. A predominantly periportal location is specifically found in oral contraceptive users, associated with an inflammatory condition. There is strong evidence for the association of sinusoidal dilatation and oxaliplatin-based chemotherapy but not for estroprogestative steroids or thiopurine derivatives. Exposure to anabolic androgen steroids appears to cause sinusoidal changes different from a mere sinusoidal dilatation. Conclusion: There is evidence of activation of the interleukin-6 and vascular endothelial growth factor pathways in sinusoidal dilatation, but the mechanisms linking the activation of these pathways with the microvascular changes must be identified. (Hepatology 2015;62:956-963)
机译:迄今为止,在不损害正弦血流的情况下发现正弦扩张的意义尚不清楚。无论原因如何,正弦波扩张实际上可能是门静脉血流受损的非特异性特征,无论原因如何,都可能是严重的全身性炎症反应综合征的特征。正弦波扩张主要位于小叶中心区域,即使没有流出阻塞也是如此。特别是在口服避孕药使用者中,主要是在口周围,与炎症有关。有强有力的证据表明正弦扩张与基于奥沙利铂的化学疗法有关,但与雌激素类固醇或硫代嘌呤衍生物无关。暴露于同化雄激素类固醇似乎会引起正弦变化​​,这与单纯的正弦扩张不同。结论:有证据表明正弦曲线扩张中白介素6和血管内皮生长因子途径的激活,但必须确定这些途径的激活与微血管变化之间的联系。 (肝病2015; 62:956-963)

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