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@likceld47

Our experience is that there are many NPH patients who do not respond to tap tests, they need a longer drainage. Therefore, a protocol with infusion tests with a longer drainage can help. In total, the test takes one hour. Additional options for long-term drainage (3 days) are so-called. ELD, extended lumbar drainage.

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Replies to "Our experience is that there are many NPH patients who do not respond to tap tests,..."

And there is now a study from June 2024 that speaks to the LP (tap test) not really being conclusive enough. My 83 year old dad diagnosed with NPH just did the LP and didn't really have much improvement. Wish I would have known about the ELD...it wasn't given as an option. I'm not allowed to post links as a new user, but you can find the study at pubmed.ncbi.nlm.nih.gov/38438818/