Ullrich Meier

Summary

Affiliation: Unfallkrankenhaus Berlin
Country: Germany

Publications

  1. ncbi request reprint Clinical experiences with different valve systems in patients with normal-pressure hydrocephalus: evaluation of the Miethke dual-switch valve
    Ullrich Meier
    Department of Neurosurgery, Unfallkrankenhaus Berlin, Warener Strasse 7, 12683 Berlin, Germany
    Childs Nerv Syst 18:288-94. 2002
  2. ncbi request reprint Gravity valves for idiopathic normal-pressure hydrocephalus: a prospective study with 60 patients
    U Meier
    Department of Neurosurgery, Unfallkrankenhaus Berlin, Germany
    Acta Neurochir Suppl 95:201-5. 2005
  3. ncbi request reprint Does the ventricle size change after shunt operation of normal-pressure hydrocephalus?
    U Meier
    Department of Neurosurgery, Unfallkrankenhaus Berlin, Berlin, Germany
    Acta Neurochir Suppl 95:257-9. 2005
  4. ncbi request reprint Predictors of outcome in patients with normal-pressure hydrocephalus
    U Meier
    Department of Neurosurgery, Unfallkrankenhaus Berlin, Berlin, Germany
    Acta Neurochir Suppl 96:352-7. 2006
  5. ncbi request reprint On the optimal opening pressure of hydrostatic valves in cases of idiopathic normal-pressure hydrocephalus: a prospective randomized study with 123 patients
    U Meier
    Department of Neurosurgery, Unfallkrankenhaus Berlin, Berlin, Germany
    Acta Neurochir Suppl 96:358-63. 2006
  6. ncbi request reprint First clinical experiences in patients with idiopathic normal-pressure hydrocephalus with the adjustable gravity valve manufactured by Aesculap (proGAV(Aesculap))
    U Meier
    Department of Neurosurgery, Unfallkrankenhaus Berlin, Berlin, Germany
    Acta Neurochir Suppl 96:368-72. 2006
  7. ncbi request reprint Decompressive craniectomy for severe head injury in patients with major extracranial injuries
    U Meier
    Department of Neurosurgery, Unfallkrankenhaus Berlin, Berlin, Germany
    Acta Neurochir Suppl 96:373-6. 2006
  8. ncbi request reprint Clinical outcome of patients with idiopathic normal pressure hydrocephalus three years after shunt implantation
    U Meier
    Department of Neurosurgery, Unfallkrankenhaus Berlin, Berlin, Germany
    Acta Neurochir Suppl 96:377-80. 2006
  9. ncbi request reprint Is it possible to optimize treatment of patients with idiopathic normal pressure hydrocephalus by implanting an adjustable Medos Hakim valve in combination with a Miethke shunt assistant?
    U Meier
    Department of Neurosurgery, Unfallkrankenhaus Berlin, Berlin, Germany
    Acta Neurochir Suppl 96:381-5. 2006
  10. ncbi request reprint Long-term outcomes following decompressive craniectomy for severe head injury
    U Meier
    Department of Neurosurgery, Unfallkrankenhaus Berlin, Warener Strasse 7, 12683 Berlin, Germany
    Acta Neurochir Suppl 102:29-31. 2008

Collaborators

Detail Information

Publications40

  1. ncbi request reprint Clinical experiences with different valve systems in patients with normal-pressure hydrocephalus: evaluation of the Miethke dual-switch valve
    Ullrich Meier
    Department of Neurosurgery, Unfallkrankenhaus Berlin, Warener Strasse 7, 12683 Berlin, Germany
    Childs Nerv Syst 18:288-94. 2002
    ..In this way severe suction on the already atrophic brain could be induced. We wished to find whether this disadvantage, and especially the complication of the overdrainage, could be reduced or solved by a hydrostatic valve?..
  2. ncbi request reprint Gravity valves for idiopathic normal-pressure hydrocephalus: a prospective study with 60 patients
    U Meier
    Department of Neurosurgery, Unfallkrankenhaus Berlin, Germany
    Acta Neurochir Suppl 95:201-5. 2005
    ..Are hydrostatic valves superior to conventional differential pressure shunts in patients with normal-pressure hydrocephalus, with regard to the postoperative results of treatment and possible complications?..
  3. ncbi request reprint Does the ventricle size change after shunt operation of normal-pressure hydrocephalus?
    U Meier
    Department of Neurosurgery, Unfallkrankenhaus Berlin, Berlin, Germany
    Acta Neurochir Suppl 95:257-9. 2005
    ..A postoperative change in ventricular volume should be assessed differently in patients with NPH compared with those suffering from hypertensive hydrocephalus...
  4. ncbi request reprint Predictors of outcome in patients with normal-pressure hydrocephalus
    U Meier
    Department of Neurosurgery, Unfallkrankenhaus Berlin, Berlin, Germany
    Acta Neurochir Suppl 96:352-7. 2006
    ..Seventy-five patients with cerebral atrophy had a better outcome when dementia was not present, outflow resistance was above 20 mmHg/mL/min, the CSF tap-test was positive, and a Miethke Dualswitch-Valve was implanted...
  5. ncbi request reprint On the optimal opening pressure of hydrostatic valves in cases of idiopathic normal-pressure hydrocephalus: a prospective randomized study with 123 patients
    U Meier
    Department of Neurosurgery, Unfallkrankenhaus Berlin, Berlin, Germany
    Acta Neurochir Suppl 96:358-63. 2006
    ..Due to the prompt switching function when the patient changes posture (lying down, standing, sitting, slanting etc.), the Miethke gravity-assisted valve (GAV) is more suitable in such cases than the Miethke Dual-Switch valve (DSV)...
  6. ncbi request reprint First clinical experiences in patients with idiopathic normal-pressure hydrocephalus with the adjustable gravity valve manufactured by Aesculap (proGAV(Aesculap))
    U Meier
    Department of Neurosurgery, Unfallkrankenhaus Berlin, Berlin, Germany
    Acta Neurochir Suppl 96:368-72. 2006
    ..Can an adjustable valve with a gravitational unit provide optimal results?..
  7. ncbi request reprint Decompressive craniectomy for severe head injury in patients with major extracranial injuries
    U Meier
    Department of Neurosurgery, Unfallkrankenhaus Berlin, Berlin, Germany
    Acta Neurochir Suppl 96:373-6. 2006
    ....
  8. ncbi request reprint Clinical outcome of patients with idiopathic normal pressure hydrocephalus three years after shunt implantation
    U Meier
    Department of Neurosurgery, Unfallkrankenhaus Berlin, Berlin, Germany
    Acta Neurochir Suppl 96:377-80. 2006
    ..To investigate the outcomes of surgical treatment of idiopathic normal pressure hydrocephalus (iNPH)...
  9. ncbi request reprint Is it possible to optimize treatment of patients with idiopathic normal pressure hydrocephalus by implanting an adjustable Medos Hakim valve in combination with a Miethke shunt assistant?
    U Meier
    Department of Neurosurgery, Unfallkrankenhaus Berlin, Berlin, Germany
    Acta Neurochir Suppl 96:381-5. 2006
    ..In the future, the gravity valve should also be adjustable...
  10. ncbi request reprint Long-term outcomes following decompressive craniectomy for severe head injury
    U Meier
    Department of Neurosurgery, Unfallkrankenhaus Berlin, Warener Strasse 7, 12683 Berlin, Germany
    Acta Neurochir Suppl 102:29-31. 2008
    ..Is it possible to use predictive factors to ascertain what degree of success, in terms of both the acute and long-term outcome, is to be expected in patients who undergo this treatment?..
  11. ncbi request reprint Course of disease in patients with idiopathic normal pressure hydrocephalus (iNPH): a follow-up study 3, 4 and 5 years following shunt implantation
    U Meier
    Department of Neurosurgery, Unfallkrankenhaus Berlin, Warener Strasse 7, 12683 Berlin, Germany
    Acta Neurochir Suppl 102:125-7. 2008
    ....
  12. ncbi request reprint The influence of co-morbidity on the postoperative outcomes of patients with idiopathic normal pressure hydrocephalus (iNPH)
    U Meier
    Department of Neurosurgery, Unfallkrankenhaus Berlin, Warener Strasse 7, 12683 Berlin, Germany
    Acta Neurochir Suppl 102:141-4. 2008
    ..The number and type of co-morbidities are increasingly being viewed as important predictive indicators...
  13. doi request reprint Co-morbidity as a predictor of outcome in patients with idiopathic normal-pressure hydrocephalus
    Ullrich Meier
    Department of Neurosurgery, Unfallkrankenhaus Berlin, Berlin, Germany
    Acta Neurochir Suppl 106:127-30. 2010
    ..The number and type of co-morbidities are increasingly being viewed as important predictive indicators...
  14. ncbi request reprint The importance of major extracranial injuries by the decompressive craniectomy in severe head injuries
    U Meier
    Department of Neurosurgery, Unfallkrankenhaus Berlin, Berlin, Germany
    Acta Neurochir Suppl 95:55-7. 2005
    ....
  15. ncbi request reprint [Experiences with six different intervertebral disc spacers for spondylodesis of the cervical spine]
    U Meier
    Klinik für Neurochirurgie, Unfallkrankenhaus, Berlin
    Orthopade 33:1290-9. 2004
    ..The PEEK spacer from Intromed can be implanted safely but shows a tendency for dislocation. Long-term results are yet to be reported...
  16. ncbi request reprint [Outcome predictors in patients with normal pressure hydrocephalus]
    U Meier
    Klinik für Neurochirurgie, Unfallkrankenhaus Berlin
    Biomed Tech (Berl) 48:74-81. 2003
    ..The 75 patients with late-stage NPH had better outcome when dementia was absent, outflow resistance was > 20 mmHgmin/ml, the CSF tap test was positive, and a Miethke dual-switch valve was implanted...
  17. ncbi request reprint Is there a correlation between operative results and change in ventricular volume after shunt placement? A study of 60 cases of idiopathic normal-pressure hydrocephalus
    U Meier
    Department of Neurosurgery, Unfallkrankenhaus Berlin, Warener Strasse 7, 12683 Berlin, Germany
    Neuroradiology 45:377-80. 2003
    ..Postoperative change in ventricular volume in NPH thus does not have the same significance as in patients with high-pressure hydrocephalus...
  18. ncbi request reprint Predictors of outcome in patients with normal-pressure hydrocephalus
    Ullrich Meier
    Department of Neurosurgery, Unfallkrankenhaus Berlin, Germany
    J Clin Neurosci 10:453-9. 2003
    ....
  19. ncbi request reprint Predictors of outcome in patients with normal-pressure hydrocephalus
    Ullrich Meier
    Department of Neurosurgery, Unfallkrankenhaus Berlin, Warener Strasse 7, DE 12683 Berlin, Germany
    Eur Neurol 51:59-67. 2004
    ..min/ml, the CSF tap test was positive and a Miethke Dual-Switch valve was implanted...
  20. ncbi request reprint [Shunt operation versus endoscopic ventriculostomy in normal pressure hydrocephalus: diagnostics and outcome]
    U Meier
    Klinik für Neurochirurgie, Unfallkrankenhaus Berlin
    Zentralbl Neurochir 64:19-23. 2003
    ..Patients whose outflow resistance is increased in the ventricular infusion test are suspected for a functional interventricular stenosis and should be treated by means of an endoscopic assisted ventriculostomy...
  21. ncbi request reprint The importance of decompressive craniectomy for the management of severe head injuries
    U Meier
    Department of Neurosurgery, Unfallkrankenhaus Berlin, Germany
    Acta Neurochir Suppl 86:367-71. 2003
    ....
  22. ncbi request reprint Is decreased ventricular volume a correlate of positive clinical outcome following shunt placement in cases of normal pressure hydrocephalus?
    U Meier
    Department of Neurosurgery, Unfallkrankenhaus Berlin, Germany
    Acta Neurochir Suppl 86:533-7. 2003
    ..Postoperative change in ventricular volume should be assessed differently for patients with normal pressure hydrocephalus than in patients with hypertensive hydrocephalus...
  23. ncbi request reprint The ICP-dependency of resistance to cerebrospinal fluid outflow: a new mathematical method for CSF-parameter calculation in a model with H-Tx rats
    U Meier
    Department of Neurosurgery, Unfallkrankenhaus Berlin, Berlin, Germany
    Acta Neurochir Suppl 86:539-43. 2003
    ..We proved our mathematical method by the use of a dynamic infusion test in ten H-Tx rats without hydrocephalus and five hydrocephalic H-Tx rats. For that we are able to take the non-linearity of the CSF resorption into consideration...
  24. ncbi request reprint [Predictors of outcome in patients with normal pressure hydrocephalus]
    U Meier
    Klinik für Neurochirurgie, Unfallkrankenhaus Berlin
    Zentralbl Neurochir 65:41-8. 2004
    ....
  25. ncbi request reprint [Gravity valves for idiopathic normal pressure hydrocephalus. A Prospective study of 60 patients]
    U Meier
    Klinik für Neurochirurgie, Unfallkrankenhaus Berlin
    Nervenarzt 75:577-83. 2004
    ..Are hydrostatic valves superior to conventional differential pressure shunts in patients with normal- pressure hydrocephalus, with regard to the postoperative results of treatment and possible complications?..
  26. ncbi request reprint Correlation between decreased ventricular size and positive clinical outcome following shunt placement in patients with normal-pressure hydrocephalus
    Ullrich Meier
    Department of Neurosurgery, Unfallkrankenhaus Berlin, Germany
    J Neurosurg 100:1036-40. 2004
    ..The aim of this study was to determine whether ventricular size correlates with a positive clinical outcome following shunt placement...
  27. pmc Safety and efficacy of gravitational shunt valves in patients with idiopathic normal pressure hydrocephalus: a pragmatic, randomised, open label, multicentre trial (SVASONA)
    Johannes Lemcke
    Department of Neurosurgery, Unfallkrankenhaus Berlin, Warener Str 7, Berlin 12683, Germany
    J Neurol Neurosurg Psychiatry 84:850-7. 2013
    ..To investigate whether gravitational valves reduce the risk of overdrainage complications compared with programmable valves in ventriculoperitoneal (VP) shunt surgery for idiopathic normal pressure hydrocephalus (iNPH)...
  28. doi request reprint Reduction of shunt obstructions by using a peel-away sheath technique? A multicenter prospective randomized trial
    Uwe Kehler
    Department of Neurosurgery, Asklepios Hospital Hamburg, Paul Ehrlich Str 1, 22763 Hamburg, Germany
    Clin Neurol Neurosurg 114:381-4. 2012
    ..Avoiding contact between the catheter and brain tissue, by using a peel-away sheath, should reduce the number of shunt failures caused by obstruction. To test this hypothesis, we conducted a randomized, prospective multicenter study...
  29. ncbi request reprint Predictors of subsequent overdrainage and clinical outcomes after ventriculoperitoneal shunting for idiopathic normal pressure hydrocephalus
    Ullrich Meier
    Department of Neurosurgery, Unfallkrankenhaus Berlin, Berlin, Germany Centre for Clinical Research, Department of Trauma and Orthopaedic Surgery, Unfallkrankenhaus Berlin, Germany Julius Wolff Institute, Charité Medical University Centre, Germany Department of Neurosurgery, Ernst Moritz Arndt University of Greifswald, Germany Department of Neurosurgery, Asklepios Hospital Altona, Hamburg, Germany Department of Neurosurgery, Saarland Medical University, Homburg Saar, Germany Department of Neurosurgery, Eberhard Karls University of Tubingen, Germany Department of Neurosurgery, Hospital Cologne Merheim, Germany Department of Neurosurgery, Georg August University of Gottingen, Germany
    Neurosurgery 73:1054-60. 2013
    ..Little is known about variables associated with overdrainage complications and neurofunctional and health-related quality of life outcomes in idiopathic normal-pressure hydrocephalus (iNPH) patients after shunt surgery...
  30. doi request reprint On the method of a randomised comparison of programmable valves with and without gravitational units: the SVASONA study
    Johannes Lemcke
    Department of Neurosurgery, Unfallkrankenhaus, Berlin, Germany
    Acta Neurochir Suppl 114:243-6. 2012
    ....
  31. doi request reprint The adjustable proGAV shunt: a prospective safety and reliability multicenter study
    Christian Sprung
    Department of Neurosurgery, Universitatsmedizin Berlin Charite, Berlin, Germany
    Neurosurgery 66:465-74. 2010
    ..To evaluate the reliability of the gravitation-assisted adjustable proGAV shunt system with a prospective multicenter study conducted in 10 German hospitals...
  32. ncbi request reprint Evaluation of the Miethke dual- switch valve in patients with normal pressure hydrocephalus
    Ullrich Meier
    Department of Neurosurgery, Unfallkrankenhaus Berlin, Berlin, Germany
    Surg Neurol 61:119-27; discussion 127-8. 2004
    ..The recently presented gravitational devices promise improvement, primarily in respect to this disadvantage...
  33. ncbi request reprint Minimally invasive spinal surgery using nucleoplasty: a 1-year follow-up study
    Ferass Al-Zain
    Department of Neurosurgery, Unfallkrankenhaus Berlin, Warener Strasse 7, 12683 Berlin, Germany
    Acta Neurochir (Wien) 150:1257-62. 2008
    ..The purpose of this prospective study was to assess the effectiveness of nucleoplasty in our patients up to 1 year after treatment...
  34. doi request reprint Animal experiments to evaluate complications of foreign materials on silicone with shunt catheters: preliminary results
    Regina Eymann
    Department of Neurosurgery, Medical School, Saarland University, Homburg Saar, Saarland, Germany
    Acta Neurochir Suppl 106:91-3. 2010
    ..We established an animal model to simulate the conditions and reactions with the silicone catheter in human patients...
  35. doi request reprint Idiopathic normal pressure hydrocephalus (iNPH) and co-morbidity: an outcome analysis of 134 patients
    Johannes Lemcke
    Department of Neurosurgery, Unfallkrankenhaus Berlin, Berlin, Germany
    Acta Neurochir Suppl 114:255-9. 2012
    ..The aim of our study was to systematically assess the influence of the co-morbidity determining the benefit from shunt surgery...
  36. ncbi request reprint The influence of coagulopathy on outcome after traumatic subdural hematoma: a retrospective single-center analysis of 319 patients
    Johannes Lemcke
    Department of Neurosurgery, Unfallkrankenhaus Berlin, Germany
    Blood Coagul Fibrinolysis 25:353-9. 2014
    ..16 ± 1.45), (P < 0.001). In-hospital mortality is twice as frequent in patients with coagulopathy with traumatic SDH compared with noncoagulopathic patients, even if the initial severity of the TBI does not differ. ..
  37. pmc Polyetheretherketone (PEEK) Spacers for Anterior Cervical Fusion: A Retrospective Comparative Effectiveness Clinical Trial
    Johannes Lemcke
    Department of Neurosurgery, Unfallkrankenhaus Berlin, Germany
    Open Orthop J 5:348-53. 2011
    ....
  38. ncbi request reprint Acute Decompensation of Noncommunicating Hydrocephalus Caused by Dilated Virchow-Robin Spaces Type III in a Woman Treated by Endoscopic Third Ventriculostomy: A Case Report and Review of the Literature
    Malte Ottenhausen
    Clinic for Neurosurgery, Unfallkrankenhaus Berlin, Berlin, Germany
    J Neurol Surg A Cent Eur Neurosurg 74:e242-7. 2013
    ..The treatment options are mono- or biventricular shunt surgery or ETV. Because ETV provides the possibility of cyst fenestration and membrane sampling, it appears to be the most advantageous treatment option. ..
  39. pmc Ballistics for neurosurgeons: Effects of firearms of customized cranioplasty implants
    Johannes Lemcke
    Department of Neurosurgery, Unfallkrankenhaus Berlin, Berlin, Germany
    Surg Neurol Int 4:46. 2013
    ..The aim of this study was to examine the effects of shelling of computer-aided designed (CAD) cranioplasty implants made of two different materials...
  40. doi request reprint The impact of silver nanoparticle-coated and antibiotic-impregnated external ventricular drainage catheters on the risk of infections: a clinical comparison of 95 patients
    Johannes Lemcke
    Department of Neurosurgery, Unfallkrankenhaus Berlin, Berlin, Germany
    Acta Neurochir Suppl 114:347-50. 2012
    ..Sparse data are published concerning the efficacy of these catheters in reducing bacterial colonization...