gms | German Medical Science

68th Annual Meeting of the German Society of Neurosurgery (DGNC)
7th Joint Meeting with the British Neurosurgical Society (SBNS)

German Society of Neurosurgery (DGNC)

14 - 17 May 2017, Magdeburg

Normal pressure hydrocephalus: a single-center experience with 80 patients

Meeting Abstract

  • Petra Schödel - Department of Neurosurgery, Regensburg, Deutschland
  • Kathrin Kiene - Department of Neurosurgery, Regensburg, Deutschland
  • Elisabeth Bründl - Department of Neurosurgery, Regensburg, Deutschland
  • Florian Zeman - Zentrum für klinische Studien, Regensburg, Deutschland
  • Alexander Brawanski - Department of Neurosurgery, Regensburg, Deutschland
  • Karl-Michael Schebesch - Department of Neurosurgery, Regensburg, Deutschland

Deutsche Gesellschaft für Neurochirurgie. Society of British Neurological Surgeons. 68. Jahrestagung der Deutschen Gesellschaft für Neurochirurgie (DGNC), 7. Joint Meeting mit der Society of British Neurological Surgeons (SBNS). Magdeburg, 14.-17.05.2017. Düsseldorf: German Medical Science GMS Publishing House; 2017. DocMO.04.05

doi: 10.3205/17dgnc024, urn:nbn:de:0183-17dgnc0248

Published: June 9, 2017

© 2017 Schödel et al.
This is an Open Access article distributed under the terms of the Creative Commons Attribution 4.0 License. See license information at



Objective: This study was conducted to evaluate the short-term clinical course and possible complications of shunting procedures in patients with normal pressure hydrocephalus (NPH).

Methods: 629 patients were screened who presented with hydrocephalus during the ten years interval between 2002 and 2012 and 80 patients (male 47, female 33; mean age 71.1 years) with NPH were included in the study. We reviewed the charts for the utilized hardware, neurological performance pre- and postoperatively according to the Medical Research Council Neurological Performance Score (MRC-NPS), re-operations and valve-adjustments in short-term course, and any shunt-associated complications.

Results: Codman-Hakim-Valves were implanted most frequently (51 pts., 63.7%), followed by Pro-GAV (15 pts., 18.8%) and Delta (14 pts., 17.5%). The initially most frequently used valve opening pressure was 120mmH2O (45 pts., 56.3%), an adjustment of the valve opening pressure at discharge had to be taken in 6 pts. (7.5%). According to the MRC-NPS, a neurological improvement was registered in 65.0%, no improvement was found in 31.1% and permanent neurological deterioration was registered in 2.5%. During the follow-up, 32.5% of all patients required revision due to malpositioning of the catheters (15.0%), mechanical dysfunction (10.0%) and infection (7.5%).The overall mortality was 0%. The revision rate was highest in implanted Delta-Valves (50.0%), followed by Codman-Hakim (31.4%) and Pro-GAV (20.0%). Infection rates didn´t differ between the different valve types.

Conclusion: This study reflects a typical cohort of patients with normal pressure hydrocephalus and presents neurological outcome and complications of the surgical procedure.