[The effectiveness of gravitational valves in the prevention of over-drainage in adult patients with hydrocephalus].

AIM To evaluate the effect of gravitational valves on over-drainage in hydrocephalus in adults. PATIENTS AND METHODS We performed a retrospective study of the shunt systems placed in patients over the age of 18 years between 1998 and 2006. Patients were divided into two groups: non-GV group (without gravitational valve) and GV group (with a gravitational… CONTINUE READING