T. Zweig, YH Yau, C. Roeder, BJC Freeman Influence of previous conservative treatment interval on outcomes following decompressiv surgery for lumbar disc herniation. (submitted to Spine, May 2013) Zweig T, Hemmeler C, Aghayev E, Melloh M, Etter C, Röder C. Influence of preoperative nucleus pulposus status and radiculopathy on outcomes in mono-segmental lumbar total disc replacement: results from a nationwide registry. BMC Musculoskelet Disord. 2011 Dec 2;12:275 Sobottke R, Aghayev E, Röder C, Eysel P, Delank SK, Zweig T. Predictors of surgical, general and follow-up complications in lumbar spinal stenosis relative to patient age as emerged from the Spine Tango Registry. Eur Spine J. 2012 Mar;21(3):411-7 Zweig T, Aghayev E, Melloh M, Dietrich D, Röder C. Influence of preoperative leg pain and radiculopathy on outcomes in mono-segmental lumbar total disc replacement: results from a nationwide registry. Eur Spine J. 2012 Aug;21 Suppl 6:S729-36. Melloh M, Röder C, Staub LP, Zweig T, Barz T, Theis JC, Müller U. Randomized-controlled trials for surgical implants: are registries an alternative? Orthopedics. 2011 Mar;34(3):161. Schluessmann E, Aghayev E, Staub L, Moulin P, Zweig T, Röder C. SWISSspine: The Case of a Governmentally Required HTA-Registry for Total Disc Arthroplasty: Results of Cervical Disc Prostheses. Spine (Phila Pa 1976). 2010 Oct 27. Sobottke R, Siewe J, Hokema J, Schlegel U, Zweig T, Eysel P. Scoliosis surgery: correction not correlated with instrumentation, quality of life not correlated with correction or instrumentation. Acta Orthop Belg. 2010 Aug;76(4):536-42. Aghayev E, Röder C, Zweig T, Etter C, Schwarzenbach O. Benchmarking in the SWISSspine Registry: results of 52 Dynardi lumbar total disc replacements compared with the data pool of 431 other lumbar disc prostheses. Eur Spine J: Volume 19, Issue 12 (2010), Page 2190. Kessler JT, Melloh M, Zweig T, Aghayev E, Röder C. Development of a documentation instrument for the conservative treatment of spinal disorders in the International Spine Registry, Spine Tango. Eur Spine J. 2010 Jun 9. Sobottke R, Röllinghoff M, Zarghooni K, Schlüter-Brust K, Delank KS, Seifert H, Zweig T, Eysel P. Spondylodiscitis in the elderly patient: clinical mid-term results and quality of life. Arch Orthop Trauma Surg. 2010 Sep;130(9):1083-91 Zweig T, Mannion AF, Grob D, Melloh M, Munting E, Tuschel A, Aebi M, Röder C. How to Tango: a manual for implementing Spine Tango. Eur Spine J. 2009 Aug;18 Suppl 3:312-20. Epub 2009 Jun 28. Review. Röder C, Staub L, Dietrich D, Zweig T, Melloh M, Aebi M. Benchmarking with Spine Tango: potentials and pitfalls. Eur Spine J. 2009 Aug;18 Suppl 3:305-11. Epub 2009 Apr 1. Review. Schluessmann E, Diel P, Aghayev E, Zweig T, Moulin P, Röder C; SWISSspine Registry Group. SWISSspine: a nationwide registry for health technology assessment of lumbar disc prostheses. Eur Spine J. 2009 Jun;18(6):851-61. Melloh M, Aebli N, Elfering A, Röder C, Zweig T, Barz T, Herbison P, Hendrick P, Bajracharya S, Stout K, Theis JC. Development of a screening tool predicting the transition from acute to chronic low back pain for patients in a GP setting: protocol of a multinational prospective cohort study. BMC Musculoskelet Disord. 2008 Dec 19;9:167. Galbusera F, Bellini C, Zweig T, Ferguson S, Raimondi MT, Lamartina C, Brayda-Bruno M, Fornari M. Design concepts in lumbar total disc arthroplasty. Eur Spine J. 2008 Dec;17(12):1635-50. Epub 2008 Oct 23. Review. Melloh M, Röder C, Elfering A, Theis JC, Müller U, Staub LP, Aghayev E, Zweig T, Barz T, Kohlmann T, Wieser S, Jüni P, Zwahlen M. Differences across health care systems in outcome and cost-utility of surgical and conservative treatment of chronic low back pain: a study protocol. BMC Musculoskelet Disord. 2008 Jun 6;9:81. Melloh M, Staub L, Aghayev E, Zweig T, Barz T, Theis JC, Chavanne A, Grob D, Aebi M, Roeder C. The international spine registry SPINE TANGO: status quo and first results. Eur Spine J. 2008 Sep;17(9):1201-9. Epub 2008 Apr 30. Sobottke R, Csécsei G, Kaulhausen T, Delank S, Franklin J, Aghayev E, Zweig T, Eysel P. Spinal surgery in the elderly: does age have an influence on the complication rate? Orthopade. 2008 Apr;37(4):367-73. Review. German. T. Zweig SWISSspine, 5 years of experience with a national HTA-registry, 2 year outcome in lumbar TDR, Jatros - Orthopaedics and Rheumatology (german) 4/2010, p 22 C. Röder, M. Neukamp, T. Zweig, G. Perler, M. Melloh, E. Munting, M. Aebi Spine Tango Report Germany - 2009 MEM center printing, Berne, Switzerland, Nov. 2010 M. Aebi, T Zweig Vertebroplasty offers no clear advantages over placebo treatment in two new studies? Orthopaedics Today Europe 2009; 12:1 T Zweig Previous surgery may negatively affect lumbar stenosis results. An analysis of Spine Tango registry data found the operated level can impact postoperative success. Orthopaedics Today Europe 2009; 12:21 C Röder, M Neukamp, G Perler, M Melloh, T Zweig, E Munting, M Aebi, Spine Tango Report International - 2009, MEM center printing, Berne, Switzerland, Aug. 2010 T. Zweig, E Aghayev, M Melloh, C Röder, M Aebi. Spine Tango Report International - 2006 to 2008, MEM center printing, Berne, Switzerland, August 2008 T. Zweig, E. Aghayev, K.S. Delank, U. Vieweg, C. Röder, M. Aebi Spine Tango Report Germany - 2006 to 2008, MEM center printing, Berne, Switzerland, Nov. 2009 Melloh M, Aghayev E, Staub L, Zweig T, Barz T, Rieger P, Theis JC, Roeder C. Predictive factors of physician-based outcomes after posterior lumbar fusion in the SPINE TANGO registry. SPINAL NEWS International, London, Issue 8, July 2008, page 14 T. Zweig, Spine Tango: Internationales registery of EuroSpine, the Spine Society of Europe, Leading Opinions Orthopaedics (german), 3/2008: 56-58 K. Paya, T. Zweig, W. Rebhandl, E. Horcher Obstipation im Kindesalter Pädiatrie und Pädologie, 6/2001:34-39