当肝血流量阻塞后，围绕肝脏分流的肠系膜血液可产生脑病以及曲张的食管和胃底静脉出血。

When hepatic blood flow is obstructed, the shunting of mesenteric blood around the liver creates encephalopathy and hemorrhage from esophageal or gastric varices.

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结果在所有患者中，增生性糖尿病性视网膜病变50例(48.1%)，视网膜静脉阻塞34例(32.7%)。

Results in all the patients, 50 cases (48.1%) were caused by proliferative diabetic retinopathy (PDR) and 34 cases by retinal vein occlusion (RVO) (32.7%).

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结论增生型糖尿病性视网膜病变、视网膜静脉阻塞是非创伤性玻璃体积血的主要原因。

Conclusion Proliferative diabetic retinopathy and retinal vein occlusion are the main causes of non-traumatic vitreous hemorrhage.

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