What reason is peritoneal fluid dangerous to do peritoneal puncture needle?

Peritoneal hydrops can be caused by a number of diseases, the most common cause is caused by liver cirrhosis, the liver is a large processing plant of the human body, cirrhosis of the liver function decline caused by hypoproteinemia, portal hypertension in the abdominal cavity vascular permeability increase, the fluid in the blood vessels leakage in the abdominal cavity. And a tumor growing in the abdominal cavity to the later stages. In addition to tuberculous peritonitis can also have abdominal fluid.