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Figure 4 | Cerebrospinal Fluid Research

Figure 4

From: Cerebrospinal fluid pulse pressure amplitude during lumbar infusion in idiopathic normal pressure hydrocephalus can predict response to shunting

Figure 4

Scatter plots of mean CSFP wave amplitude for shunt response categories non-responder and responder during (a) over-night ICP monitoring, (b) during the opening phase after lumbar puncture, and (c) during the phase of lumbar infusion. Dotted lines denote cut off targets for the pulsatile pressure (wave amplitude). The pulse amplitude during the opening phase of lumbar puncture was not as good a predictor for shunt response as the amplitude during overnight monitoring and during lumbar infusion. Significant differences between responders and non-responders are shown (one-way ANOVA).

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