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Child's Nervous System
Published in: Child's Nervous System 3/2018

01-03-2018 | Original Paper

Ultrasound-guided placement of ventricular catheters in first-time pediatric VP shunt surgery

Authors: Marcel Kullmann, Marina Khachatryan, Martin Ulrich Schuhmann

Published in: Child's Nervous System | Issue 3/2018

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Abstract

Purpose

Ventriculo-peritoneal (VP) shunts are effective for treatment of hydrocephalus in all age groups; however, they are associated with complications, a common one being ventricular catheter (VC) obstruction. VC position is likely to influence VC survival; however, most VCs are positioned freehand without guidance. This paper describes the accuracy of ultrasound guidance for VC placement and the impact of tip location on VC occlusion rate.

Methods

This is a retrospective cohort study of hydrocephalic children with first-time VP shunt and ultrasound-guided VC placement. Data recorded were age, sex, cause of hydrocephalus, side (left or right) and location (frontal or occipital) of VC, and exact postoperative position within the ventricle on first postoperative imaging: middle of ventricle (optimal position), near or touching the medial or lateral ventricle wall, within the third ventricle, and at the contralateral side.

Results

Of the 128 screened patients, 85 had a first postoperative imaging that clearly defined the VC position and were included. The follow-up was at least 12 months. Seventy-three percent of VCs were placed on the right and 71% via a frontal burhole. Eighty-three of 85 VC tips (95%) were in the intended ventricle, 61% at optimal position. Nine of 85 VCs (10%) obstructed within the first 12 months. Seven of nine (78%) obstructed VCs were located in a nonoptimal position (p = 0.016). Two of nine (22%) obstructed VCs entered through a frontal and seven of nine (78%) through an occipital burrhole (p = 0.016).

Conclusion

Ultrasound-guided VC placement is as precise as frameless navigated placement. The optimal VC position was associated to a significant lower VC obstruction rate. The frontal position was superior to the occipital. Intraoperative US guidance is fast with almost no extra time and no extra cost. US-guided VC placement should become standard of care in VP shunt surgery.
Literature
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Metadata
Title
Ultrasound-guided placement of ventricular catheters in first-time pediatric VP shunt surgery
Authors
Marcel Kullmann
Marina Khachatryan
Martin Ulrich Schuhmann
Publication date
01-03-2018
Publisher
Springer Berlin Heidelberg
Published in
Child's Nervous System / Issue 3/2018
Print ISSN: 0256-7040
Electronic ISSN: 1433-0350
DOI
https://doi.org/10.1007/s00381-017-3660-2

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