In NPH, setting valve opening pressure close to lumbar puncture opening pressure decreases overdrainage.
Tito Vivas-BuitragoRicardo DomingoShashwat TripathiJuan Pablo HerreraJohan L HeemskerkSanjeet GrewalNicholas L ZalewskiAlfredo Quinones-HinojosaRonald ReimerRobert E WharenNeil R Graff-RadfordPublished in: Neurologia i neurochirurgia polska (2020)
We propose that the initial VOP should be set as close as possible to the patient's LPOP to decrease overdrainage without compromising symptom improvement.