How is the blood regulation mechanism of liver at the time of liver cirrhosis? 's general knowledge
The blood regulation mechanism of the normal liver is: When the liver arterial blood enters the liver sinus, must drop the pressure to 0.9- 1.7KPa, is nearly equal to portal vein. At the time of liver cirrhosis, the portal vein branch is pigeonholed and twisted in the liver, the blood of portal vein lists the blockage, the blood vessel bed portal vein blood of liver is reduced, start the regulating function of the blood circulation of viscera, the liver arterial blood increases at double, under the pouring into of high flow arterial blood of high pressure, the whole body door - intravenous collateral circulation of body is opened gradually, form the high motive force of viscera to circulate, portal vein resistance drop, fact that the blood redistributes, oesophageal fundus of stomach variceal to form 's pressure, raise to break and bleed, pathological change is started in this kind of liver, there is biochemistry (liquid nature material) Lie between the complicated course led, return the multi-disciplinary pivot of none to solve the basic problem at present, the operation is dammed and shunted and can only be dealt with to the ill.
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