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.
Percutaneous Biliary Drainage. Biliary duct obstruction is a serious problem, which may be related to benign or malignant causes. The mechanical obstruction of the biliary duct interrupts the flow of bile produced by the liver into the gut. Serious complications related to the obstruction may ensue, with changes in the liver function, development of infection, and other general symptoms.