One important result of lake and reservoir enrichment is increased growth of microscopic floating plants, algae, and the formation of dense mats of larger floating plants such as water hyacinths (Photos 1 and 2) and Nile cabbage.
What is percutaneous biliary drainage? Percutaneous transhepatic biliary drainage is a procedure where a small, flexible, plastic tube is placed through the skin into the liver in order to drain an obstructed bile duct system. The liver produces bile which aids digestion of fats.
A stent can then be inserted over the guide wire in a standardmanner. A percutaneous biliary drain is usually temporarily leftabovethe upper end of thestent, to prevent intraperitoneal leak-age of bile in case of immediate stent dysfunction or to preventobstruction of the stent because of hemobilia.