In NPH, setting valve opening pressure close to lumbar puncture opening pressure decreases overdrainage.

CONCLUSION: 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.
PMID: 33047786 [PubMed - as supplied by publisher]

Source: Neurologia i Neurochirurgia Polska - October 13, 2020 Category: Neurology Authors: Vivas-Buitrago T, Domingo R, Tripathi S, Herrera JP, Heemskerk J, Grewal S, Zalewski NL, Quinones-Hinojosa A, Reimer R, Wharen RE, Graff-Radford NR Tags: Neurol Neurochir Pol Source Type: research