C Schizas

Summary

Publications

  1. ncbi request reprint Posterolateral lumbar spine fusion using a novel demineralized bone matrix: a controlled case pilot study
    Constantin Schizas
    Hopital Orthopedique de la Suisse Romande, Centre Hospitalier Universitaire Vaudois and The University of Lausanne, Avenue Pierre Decker 4, Lausanne, Switzerland
    Arch Orthop Trauma Surg 128:621-5. 2008
  2. pmc Inserting pedicle screws in the upper thoracic spine without the use of fluoroscopy or image guidance. Is it safe?
    Constantin Schizas
    Department of Orthopedics, Hopital Orthopedique de la Suisse Romande, Lausanne, Switzerland
    Eur Spine J 16:625-9. 2007
  3. doi request reprint Neurophysiological changes during shortening osteotomies of the spine
    Constantin Schizas
    Department of Orthopedic Surgery, Centre Hospitalier Universitaire Vaudois, Avenue Pierre Decker 4, 1011 Lausanne, Switzerland Electronic address
    Spine J 14:73-9. 2014
  4. ncbi request reprint Pedicle screw insertion: robotic assistance versus conventional C-arm fluoroscopy
    Constantin Schizas
    Orthopaedic Department, Centre Hospitalier Universitaire Vaudois and The University of Lausanne, Switzerland
    Acta Orthop Belg 78:240-5. 2012
  5. doi request reprint Decision-making in lumbar spinal stenosis: A survey on the influence of the morphology of the dural sac
    C Schizas
    Centre Hospitalier Universitaire Vaudois, Hopital Orthopedique, CHUV University of Lausanne, Av P Decker 4, Lausanne 1011, Switzerland
    J Bone Joint Surg Br 94:98-101. 2012
  6. ncbi request reprint Cauda equina compression after trauma: an unusual presentation of spinal epidural lipoma
    Constantin Schizas
    Whittington Hospital, London, United Kingdom
    Spine (Phila Pa 1976) 28:E148-51. 2003
  7. pmc Incidence and management of pulmonary embolism following spinal surgery occurring while under chemical thromboprophylaxis
    C Schizas
    Centre Hospitalier Universitaire Vaudois and The University of Lausanne, Lausanne, Switzerland
    Eur Spine J 17:970-4. 2008
  8. pmc Minimally invasive versus open transforaminal lumbar interbody fusion: evaluating initial experience
    Constantin Schizas
    Hopital Orthopedique de la Suisse Romande, Centre Hospitalier Universitaire Vaudois and The University of Lausanne, Lausanne, Switzerland
    Int Orthop 33:1683-8. 2009
  9. pmc Lymphocoele: a rare and little known complication of anterior lumbar surgery
    Constantin Schizas
    Hopital Orthopedique de la Suisse Romande, Centre Hospitalier Universitaire Vaudois, The University of Lausanne, Avenue Pierre Decker 4, Lausanne, Switzerland
    Eur Spine J 18:228-31. 2009
  10. doi request reprint Qualitative grading of severity of lumbar spinal stenosis based on the morphology of the dural sac on magnetic resonance images
    Constantin Schizas
    Department of Orthopedics, Centre Hospitalier Universitaire Vaudois, University of Lausanne, Avenue Pierre Decker 4, Lausanne, Switzerland
    Spine (Phila Pa 1976) 35:1919-24. 2010

Collaborators

Detail Information

Publications28

  1. ncbi request reprint Posterolateral lumbar spine fusion using a novel demineralized bone matrix: a controlled case pilot study
    Constantin Schizas
    Hopital Orthopedique de la Suisse Romande, Centre Hospitalier Universitaire Vaudois and The University of Lausanne, Avenue Pierre Decker 4, Lausanne, Switzerland
    Arch Orthop Trauma Surg 128:621-5. 2008
    ..This study evaluates a novel DBM (Accell Connexus used in one or two-level instrumented posterolateral lumbar fusion...
  2. pmc Inserting pedicle screws in the upper thoracic spine without the use of fluoroscopy or image guidance. Is it safe?
    Constantin Schizas
    Department of Orthopedics, Hopital Orthopedique de la Suisse Romande, Lausanne, Switzerland
    Eur Spine J 16:625-9. 2007
    ..We found that inserting pedicle screws in the upper thoracic spine based solely on anatomical landmarks was safe with an accuracy comparable to that of published studies using image-guided navigation at the thoracic level...
  3. doi request reprint Neurophysiological changes during shortening osteotomies of the spine
    Constantin Schizas
    Department of Orthopedic Surgery, Centre Hospitalier Universitaire Vaudois, Avenue Pierre Decker 4, 1011 Lausanne, Switzerland Electronic address
    Spine J 14:73-9. 2014
    ..Previous reports have shown that a significant proportion of such cases present with important transcranial MEP (Tc-MEP) changes during surgery with some of them being predictive of postoperative deficits...
  4. ncbi request reprint Pedicle screw insertion: robotic assistance versus conventional C-arm fluoroscopy
    Constantin Schizas
    Orthopaedic Department, Centre Hospitalier Universitaire Vaudois and The University of Lausanne, Switzerland
    Acta Orthop Belg 78:240-5. 2012
    ..71). The current study did not allow to state that robotically assisted screw placement supersedes the conventional fluoroscopy assisted technique, although the literature is more optimistic about the former...
  5. doi request reprint Decision-making in lumbar spinal stenosis: A survey on the influence of the morphology of the dural sac
    C Schizas
    Centre Hospitalier Universitaire Vaudois, Hopital Orthopedique, CHUV University of Lausanne, Av P Decker 4, Lausanne 1011, Switzerland
    J Bone Joint Surg Br 94:98-101. 2012
    ..Classifying lumbar spinal stenosis according to morphology rather than surface measurements appears to be consistent with current clinical practice...
  6. ncbi request reprint Cauda equina compression after trauma: an unusual presentation of spinal epidural lipoma
    Constantin Schizas
    Whittington Hospital, London, United Kingdom
    Spine (Phila Pa 1976) 28:E148-51. 2003
    ..A case report is presented...
  7. pmc Incidence and management of pulmonary embolism following spinal surgery occurring while under chemical thromboprophylaxis
    C Schizas
    Centre Hospitalier Universitaire Vaudois and The University of Lausanne, Lausanne, Switzerland
    Eur Spine J 17:970-4. 2008
    ..Since PE can be a life-threatening complication, LMWH may be a worthwhile option to consider for prophylaxis. RCTs are necessary in assessing the efficacy of DVT and PE prophylaxis in spinal patients...
  8. pmc Minimally invasive versus open transforaminal lumbar interbody fusion: evaluating initial experience
    Constantin Schizas
    Hopital Orthopedique de la Suisse Romande, Centre Hospitalier Universitaire Vaudois and The University of Lausanne, Lausanne, Switzerland
    Int Orthop 33:1683-8. 2009
    ..Three pseudarthroses were observed in the MITLIF group although this was not statistically significant. A steeper learning effect was observed for the MITLIF group...
  9. pmc Lymphocoele: a rare and little known complication of anterior lumbar surgery
    Constantin Schizas
    Hopital Orthopedique de la Suisse Romande, Centre Hospitalier Universitaire Vaudois, The University of Lausanne, Avenue Pierre Decker 4, Lausanne, Switzerland
    Eur Spine J 18:228-31. 2009
    ..Chemical analysis of the fluid can help in diagnosis. Modern treatment consists of laparoscopic marsupialization. Lymph vessel anatomy should be borne in mind while exposing the anterior lumbar spine...
  10. doi request reprint Qualitative grading of severity of lumbar spinal stenosis based on the morphology of the dural sac on magnetic resonance images
    Constantin Schizas
    Department of Orthopedics, Centre Hospitalier Universitaire Vaudois, University of Lausanne, Avenue Pierre Decker 4, Lausanne, Switzerland
    Spine (Phila Pa 1976) 35:1919-24. 2010
    ..Retrospective radiologic study on a prospective patient cohort...
  11. ncbi request reprint Disc degeneration: current surgical options
    C Schizas
    Departement de l appareil locomoteur, Site Hôpital Orthopédique, Centre Hospitalier Universitaire Vaudois and The University of Lausanne, Avenue Pierre Decker 4, CH 1011 Lausanne, Switzerland
    Eur Cell Mater 20:306-15. 2010
    ..Collaboration between clinicians and basic scientists in this multidisciplinary field will undoubtedly shape the future of treating symptomatic disc degeneration...
  12. pmc Impact of iliac crest bone graft harvesting on fusion rates and postoperative pain during instrumented posterolateral lumbar fusion
    Constantin Schizas
    Hopital Orthopedique de la Suisse Romande, Centre Hospitalier Universitaire Vaudois and The University of Lausanne, Lausanne, Switzerland
    Int Orthop 33:187-9. 2009
    ..Logistic regression showed no correlation between residual pain and occurrence of fusion. Harvesting ICBG did not appear to increase fusion rates and no relation was found between radiological non-union and pain...
  13. pmc Computer tomography assessment of pedicle screw insertion in percutaneous posterior transpedicular stabilization
    Constantin Schizas
    Hopital Orthopedique de la Suisse Romande, Orthopaedics, Lausanne, Switzerland
    Eur Spine J 16:613-7. 2007
    ..Frank penetration of the pedicle was nevertheless low. It remains a demanding technique and has to be performed with extreme care to detail...
  14. ncbi request reprint Microendoscopic discectomy compared with standard microsurgical discectomy for treatment of uncontained or large contained disc herniations
    Constantin Schizas
    Hopital Orthopedique de la Suisse Romande, University of Lausanne, Lausanne, Switzerland
    Neurosurgery 57:357-60; discussion 357-60. 2005
    ..The aim of this prospective study was to compare the results of microendoscopic discectomy (MED) and microsurgical discectomy in the treatment of patients with uncontained or large contained disc herniations...
  15. pmc An unusual natural history of a L5-S1 spondylolisthesis presenting with a sacral insufficiency fracture
    Constantin Schizas
    Hopital Orthopedique de la Suisse Romande, Lausanne, Switzerland
    Eur Spine J 15:506-9. 2006
    ..A suspicion of insufficiency fracture should be raised if risk factors exist and further investigations ordered in particular if plain radiography is normal. Lumbosacral fusion might be inappropriate in this setting...
  16. pmc Observer reliability in evaluating pedicle screw placement using computed tomography
    Victor Kosmopoulos
    Department of Orthopedics, Hopital Orthopedique de la Suisse Romande, Avenue Pierre Decker 4, CH 1005, Lausanne, Switzerland
    Int Orthop 31:531-6. 2007
    ..Assessing screw placement in more than one CT imaging plane is not only useful but reliable. Routine use may enhance reporting quality of screw placement by surgeons and radiologists...
  17. ncbi request reprint Percutaneous surgical treatment of chance fractures using cannulated pedicle screws. Report of two cases
    Constantin Schizas
    Hopital Orthopedique de la Suisse Romande, University of Lausanne, and Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland
    J Neurosurg Spine 7:71-4. 2007
    ..This technique may be useful in selected cases in which bone grafting is not necessary; it allows early mobilization and stable fixation while minimizing morbidity...
  18. ncbi request reprint [Non fusion techniques in spinal surgery]
    C Schizas
    Departement de l appareil locomoteur, Site Hôpital Orthopédique, CHUV, Lusanne
    Rev Med Suisse 5:2574-7. 2009
    ..Confronted with a growing number of new technologies clinicians should remain critical while awaiting long term results...
  19. ncbi request reprint [Surgical treatment of radicular pain using minimally invasive techniques]
    Constantin Schizas
    Hopital Orthopedique de la Suisse Romande, Avenue Pierre Decker 4, 1005 Lausanne
    Rev Med Suisse 2:2931-3. 2006
    ..It allows decrease in blood loss and postoperative pain. A less invasive technique should nevertheless not replace properly conducted conservative treatment...
  20. ncbi request reprint Management of a post-operative multi-resistant infectious spondylitis associated with a kyphotic deformity
    Felix Neumayer
    Hopital Orthopedique de la Suisse Romande, Centre Hospitalier Universitaire Vaudois, University of Lausanne, Lausanne, Switzerland
    Acta Orthop Belg 75:566-70. 2009
    ..At the latest follow-up, 24 months post surgery, there was no evidence of infection. This problem case may be helpful for surgeons confronted with spinal deformities secondary to infections with multi-resistant organisms...
  21. ncbi request reprint Pedicle screw placement accuracy: a meta-analysis
    Victor Kosmopoulos
    Department of Orthopedics, Hopital Orthopedique de la Suisse Romande, Lausanne, Switzerland
    Spine (Phila Pa 1976) 32:E111-20. 2007
    ..A meta-analysis of the published literature was conducted specifically looking at accuracy and the postoperative methods used for the assessment of pedicle screw placement in the human spine...
  22. ncbi request reprint Through-the-nail technique
    Eleftherios Tsiridis
    Whittington Hospital, London, United Kingdom
    Acta Orthop Belg 71:223-6. 2005
    ..Instead, three cancellous lag-screws were inserted to fix the fracture in a triangular fashion. Two screws placed posteriorly behind the nail, and one anterior screw through the nail...
  23. pmc Consequences of patient position in the radiographic measurement of artificial disc replacement angles
    Victor Kosmopoulos
    Hopital Orthopedique de la Suisse Romande, Centre Hospitalier Universitaire Vaudois and University of Lausanne, Avenue Pierre Decker 4, 1005, Lausanne, Switzerland
    Eur Spine J 17:30-5. 2008
    ....
  24. ncbi request reprint Modeling the onset and propagation of trabecular bone microdamage during low-cycle fatigue
    Victor Kosmopoulos
    Hopital Orthopedique de la Suisse Romande, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland
    J Biomech 41:515-22. 2008
    ..Furthermore, the model is consistent with previous numerical fatigue simulations indicating that microdamage to a small number of trabeculae results in relatively large specimen modulus reductions and rapid failure...
  25. doi request reprint Pharmacological treatment of heterotopic ossification following hip and acetabular surgery
    Robert J Macfarlane
    University of Leeds, Academic Department of Trauma and Orthopaedics, School of Medicine, Clarendon Wing A, Leeds General Infirmary Teaching Hospitals NHS Trust, Great George Street, Leeds LS1 3EX, UK
    Expert Opin Pharmacother 9:767-86. 2008
    ..However, serious concerns were raised over the safety of selective cyclooxygenase-2 inhibitors for the cardiovascular system and these should be used cautiously...
  26. pmc Radiographic total disc replacement angle measurement accuracy using the Oxford Cobbometer: precision and bias
    Victor Kosmopoulos
    Department of Orthopaedic Surgery, University of North Texas Health Science Center, 3500 Camp Bowie Boulevard, CBH 313, Fort Worth, TX, 76107, USA
    Eur Spine J 17:1066-72. 2008
    ..More accurate ROM measurement methods need to be developed to help surgeons and researchers assess radiological success of TDRs...
  27. ncbi request reprint [Rheumatoid arthritis of the cervical spine: surgical management]
    Constantin Schizas
    Hôpital Orthopédique de la Suisse Romande CHUV, Service de Rhumatologie, Lausanne
    Rev Med Suisse Romande 124:575-8. 2004
    ..Primary fusion extending to the upper thoracic spine should also be considered in selected patients in order to avoid the onset of caudal instability which can present with late development of progressive myelopathy...
  28. doi request reprint The effect of anticoagulant pharmacotherapy on fracture healing
    Tobias Lindner
    Trauma and Orthopaedics University of Leeds, School of Medicine, Academic Department of Trauma and Orthopaedics, Clarendon Wing A, Leeds General Infirmary Teaching Hospital NHS Trust, Great George Street, Leeds, LS1 3EX, UK
    Expert Opin Pharmacother 9:1169-87. 2008
    ..However, there are only a few heterogeneous in vivo animal studies confirming this and the mechanisms are not fully understood...