The watershed program offers technical assistance to watershed groups, municipalities, and individual citizens. A watershed is a geographic area of land across which water, and the sediments and dissolved materials it contains, flow on their way to a single common outlet -- a stream, lake or river.
A lumbar peritoneal (LP) shunt is a technique of cerebrospinal fluid (CSF) diversion from the lumbar thecal sac to the peritoneal cavity.
In adults, the shunt can last for many years, but may require revision at some point;. Shunts placed in an infant usually must be revised at some point before adulthood. In adults, the shunt can last for many years, but may require revision at some point;. In brief: Many years. Shunts placed in an infant usually must be revised at some point before adulthood.