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Figure 2 | Trials

Figure 2

From: Guided Application of Ventricular Catheters (GAVCA) - multicentre study to compare the ventricular catheter position after use of a catheter guide versus freehand application: study protocol for a randomised trail

Figure 2

Catheter position rating scale. Grade I: ideal catheter position with contact to the ventricular wall less than 0.5 cm. Grade Ib: contact to the medial and lateral ventricular wall in the case of ventricular width equals the catheter diameter. Grade II: contact to the ventricular wall or the choroid plexus of more than 0.5 cm. Grade III: only partial intraventricular position of the catheter (less than 1.5 cm intraventricular). Grade IV: extraventricular position of the catheter (less than 0.5 cm intraventricular).

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