Clinical outcomes of degenerative lumbar spinal stenosis treated with lumbar decompression and the Cosmic “semi-rigid” posterior system

Fox, 1996, Clinical outcomes and radiological instability following decompressive lumbar laminectomy for degenerative spinal stenosis: a comparison of patients undergoing concomitant arthrodesis versus decompression alone, J Neurosurg, 85, 793, 10.3171/jns.1996.85.5.0793 Katz, 1996, Seven- to 10-year outcome of decompressive surgery for degenerative lumbar spinal stenosis, Spine, 21, 92, 10.1097/00007632-199601010-00022 Feffer, 1985, Degenerative spondylolisthesis, Spine, 10, 287, 10.1097/00007632-198504000-00018 Grabias, 1980, Current concepts review, J Bone Joint Surg Am, 62, 308, 10.2106/00004623-198062020-00023 Kirkaldy-Willis, 1974, Lumbar spinal stenosis, Clinical Orthop Relat Res, 99, 30, 10.1097/00003086-197403000-00004 Spengler, 1987, Degenerative stenosis of the lumbar spine, J Bone Joint Surg Am, 69, 305, 10.2106/00004623-198769020-00027 Benoist, 2002, The natural history of lumbar degenerative spinal stenosis, Joint Bone Spine, 69, 450, 10.1016/S1297-319X(02)00429-3 Naderi, 2007, Dr. Ahmet Münir Sarpyener: pioneer in definition of congenital spinal stenosis, Spine (Phila Pa 1976), 32, 606, 10.1097/01.brs.0000257340.54669.58 Hopp, 1988, Postdecompression lumbar instability, Clin Orthop Relat Res, 227, 143, 10.1097/00003086-198802000-00018 Hazlett, 1982, Lumbar apophyseal process excision and spinal instability, Spine, 7, 171, 10.1097/00007632-198203000-00014 Jones, 1969, The narrow lumbar canal: a clinical and radiological review, J Bone Joint Surg Br, 50, 595 Shenkin, 1979, Spondylolisthesis after multiple bilateral laminectomy and facetectomies for lumbar spondylosis, J Neurosurg, 50, 45, 10.3171/jns.1979.50.1.0045 Alexander, 1985, Intact arch spondylolisthesis, J Neurosurg, 63, 840, 10.3171/jns.1985.63.6.0840 Caputy, 1992, Long-term evaluation of decompressive surgery for degenerative lumbar stenosis, J Neurosurg, 77, 669, 10.3171/jns.1992.77.5.0669 Ganz, 1990, Lumbar spinal stenosis: postoperative results in terms of preoperative posture-related pain, J Neurosurg, 72, 71, 10.3171/jns.1990.72.1.0071 Johnsson, 1981, Analysis of operated cases with lumbar renal stenosis, Acta Orthop Scand, 52, 427, 10.3109/17453678109050123 Fager, 1980, Analysis of failures and poor results of lumbar spine surgery, Spine, 5, 87, 10.1097/00007632-198001000-00015 Garfin, 1988, Laminectomy: a review of the Pennsylvania Hospital experience, J Spinal Disord, 1, 116, 10.1097/00002517-198801020-00003 Getty, 1980, Lumbar spinal stenosis, J Bone Joint Surg Br, 62, 481, 10.1302/0301-620X.62B4.6448861 Herkowitz, 1991, Degenerative lumbar spondylolisthesis with spinal stenosis, J Bone Joint Surg Am, 73, 802, 10.2106/00004623-199173060-00002 Posner, 1982, A biomechanical analysis of the clinical stability of the lumbar and lumbosacral spine, Spine, 7, 374, 10.1097/00007632-198207000-00008 Adams, 1983, The mechanical function of the lumbar apophyseal joints, Spine, 8, 327, 10.1097/00007632-198304000-00017 Adams, 1980, The resistance to flexion of the lumbar intervertebral joint, Spine, 5, 245, 10.1097/00007632-198005000-00007 Lorenz, 1983, Load bearing characteristics of lumbar facets in normal and surgically altered spinal segments, Spine, 8, 122, 10.1097/00007632-198303000-00002 Cusick, 1992, Biomechanics of sequential posterior lumbar surgical alterations, J Neurosurg, 76, 805, 10.3171/jns.1992.76.5.0805 Stauffer, 1972, Postoperative lumbar-spine fusion, J Bone Joint Surg Am, 54, 1195, 10.2106/00004623-197254060-00006 Zdeblick, 1993, A prospective, randomized study of lumbar fusion, Spine, 18, 983, 10.1097/00007632-199306150-00006 Nasca, 1989, Rationale for spinal fusion in lumbar spinal stenosis, Spine, 14, 451, 10.1097/00007632-198904000-00023 Natelson, 1986, The injudicious laminectomy, Spine, 11, 966, 10.1097/00007632-198611000-00021 Mardjedko, 1994, Degenerative lumbar spondylolisthesis, Spine, 19, 2256S, 10.1097/00007632-199410151-00002 Schnake, 2006, Dynamic stabilization in addition to decompression for lumbar spinal stenosis with degenerative spondylolisthesis, Spine, 31, 442, 10.1097/01.brs.0000200092.49001.6e Katz, 1997, Lumbar laminectomy alone or with instrumented or noninstrumented arthrodesis in degenerative lumbar spinal stenosis, Spine, 22, 1123, 10.1097/00007632-199705150-00012 Schaeren, 2008, Minimum four-year follow-up of spinal stenosis with degenerative spondylolisthesis treated with decompression and dynamic stabilization, Spine, 33, E636, 10.1097/BRS.0b013e31817d2435 Banwart, 1995, Iliac crest bone graft harvest donor site morbidity. a statistical evaluation, Spine, 20, 1055, 10.1097/00007632-199505000-00012 Younger, 1989, Morbidity at bone graft donor sites, J Orthop Trauma, 3, 192, 10.1097/00005131-198909000-00002 Turner, 1992, Patient outcomes after lumbar spinal fusions, JAMA, 268, 907, 10.1001/jama.1992.03490070089049 Mulholland, 2002, Rationale, principles and experimental evaluation of the concept of soft stabilization, Eur Spine J, 11, 198, 10.1007/s00586-002-0422-x Gibson, 1999, The Cochrane review of surgery for lumbar disc prolapse and degenerative lumbar spondylosis, Spine, 24, 1820, 10.1097/00007632-199909010-00012 Sengupta, 2005, Dynamic stabilization devices in the treatment of low back pain, Neurol India, 53, 466, 10.4103/0028-3886.22614 Würgler-Hauri, 2008, Dynamic Neutralization of the lumbar spine after microsurgical decompression in acquired lumbar spinal stenosis and segmental instability, Spine, 33, E66, 10.1097/BRS.0b013e31816245c0 Stoll, 2002, The dynamic neutralization system for the spine. A multi-center study of a novel non-fusion system, Eur Spine J, 11, 170, 10.1007/s00586-002-0438-2 Grob, 2005, Clinical experience with the Dynesys semirigid fixation system for the lumbar spine, Spine, 30, 324, 10.1097/01.brs.0000152584.46266.25 Korovessis, 2004, Rigid, semirigid versus dynamic instrumentation for degenerative lumbar spinal stenosis, Spine, 29, 735, 10.1097/01.BRS.0000112072.83196.0F Di Silvestre, 2010, Dynamic stabilization for degenerative lumbar scoliosis in elderly patients, Spine, 35, 227, 10.1097/BRS.0b013e3181bd3be6 Fernand, 1985, Evaluation of lumbar lordosis. A prospective and retrospective study, Spine, 10, 799, 10.1097/00007632-198511000-00003 Kirkaldy-Willis, 1982, Instability of the lumbar spine, Clinical Orthop, 165, 110, 10.1097/00003086-198205000-00015 Herzog, 1991, Magnetic resonance imaging of the spine, 457 Herkowitz, 1993, Clinical evaluation and differential diagnosis, 827 Morgan, 1957, Primary instability of lumbar vertebraeas a common cause of low back pain, J Bone Joint Surg Br, 39, 6, 10.1302/0301-620X.39B1.6 Bozkuş, 2010, Dynamic lumbar pedicle screw-rod stabilization: in vitro biomechanical comparison with standard rigid pedicle screw-rod stabilization, J Neurosurg Spine, 12, 183, 10.3171/2009.9.SPINE0951 Schmoelz, 2009, Non-fusion instrumentation of the lumbar spine with a hinged pedicle screw rod system: an in vitro experiment, Eur Spine J, 18, 1478, 10.1007/s00586-009-1052-3 Scifert, 1999, Stability analysis of an enhanced load sharing posterior fixation device and its equivalent conventional device in a calf spine model, Spine (Phila Pa 1976), 24, 2206, 10.1097/00007632-199911010-00006 Xu, 2006, Biomechanical evaluation of a dynamic pedicle screw fixation device, Clin Biomech (Bristol, Avon), 21, 330, 10.1016/j.clinbiomech.2005.12.004 Fraudiger, 1999, Dynamic neutralization of the lumbar spine confirmed on a new lumbar spine Simulator in vitro, Arch Orthop Trauma Surg, 119, 127, 10.1007/s004020050375 Dubois, 2002, Dynamic stabilization: treatment of mobile vertebral instability, 345 Kanayama, 2005, Non-fusion surgery for degenerative spondylolisthesis using artificial ligament stabilization: surgical indication and clinical results, Spine, 30, 588, 10.1097/01.brs.0000154766.74637.5e Bothmann, 2008, Dynesys fixation for lumbar spine degeneration, Neurosurg Rev, 31, 189, 10.1007/s10143-007-0101-9 Schmoelz, 2003, Dynamic stabilization of the lumbar spine and its effects on adjacent segments: an in vitro experiment, J Spinal Disord Tech, 16, 418, 10.1097/00024720-200308000-00015 Putzier, 2005, The surgical treatment of the lumbar disc prolapse, Spine, 30, E109, 10.1097/01.brs.0000154630.79887.ef Kaner, 2010, Clinical outcomes after posterior dynamic transpedicular stabilization with limited lumbar discectomy: Carragee system classification of lumbar disc herniations, SAS J, 4, 92, 10.1016/j.esas.2010.06.001 Cakir, 2003, Posterior dynamic stabilization as an alternative for dorso-ventral fusion in spinal stenosis with degenerative instability, Z Orthop Ihre Grenzgeb, 141, 418, 10.1055/s-2003-41568 Stoffel, 2010, Pedicle screw-based dynamic stabilization of the thoracolumbar spine with the Cosmic-system: a prospective observation, Acta Neurochir (Wien), 152, 835, 10.1007/s00701-009-0583-z Strempel, 2000, Dynamic versus rigid spinal implants, 275 Sasani, 2008, The combined use of a posterior dynamic transpedicular stabilization system and a prosthetic disc nucleus device in treating lumbar degenerative disc disease with disc herniations, SAS J, 2, 62, 10.1016/S1935-9810(08)70029-X Kaner, 2009, Utilizing dynamic rods with dynamic screws in the surgical treatment of chronic instability: a prospective clinical study, Turkish Neurosurgery, 19, 319