Fig. 44.1 First-generation Wallis device Fig. 44.2 Wallis implant Fig. 44.3 UniWallis implant Our indications for our system have evolved over the years. The current principal indications and contraindications of…
Mean age 55 ± 10 year Sex Female n = 16 Male n = 12 Spondylolisthesis Isthmic n = 15 Degenerative n = 13 Meyerding Grade 0 n = 3 Grade I n = 16 Grade II n = 9 TLIF segments L3/4 n = 3 L4/5 n = 12…
Fig. 28.1 Posteroanterior (a) and lateral (b) radiographs demonstrating L5–S1 anterior lumbar interbody fusion with titanium lordotic cage A retrospective study of patients undergoing stand-alone ALIF for degenerative disk disease…
Fig. 22.1 Annular fibers are oriented in a 30° orientation with the endplate (a). This permits a significant torsion prevention potential (arrows) (b). In fact, they are more optimally oriented…
Fig. 15.1 Predicted probabilities and 95 % confidence intervals for internal disk disruption (IDD), facet joint pain (FJP), sacroiliac joint pain (SIJP), and other sources of low back pain (LBP)…
Fig. 13.1 This is a typical graph seen in cost-effectiveness analysis literature comparing incremental costs versus incremental QALYs. The x-axis represents the health benefit in terms of QALYs. The y-axis…
Fig. 54.1 Anatomy of medical research Levels of evidence are defined by the study design and execution, and designs have been variously graded by their potential to eliminate bias [10,…
Fig. 27.1 Steps for an open right L4–L5 TLIF. (a) Exposure of the lamina and articular and transverse processes. (b) Osteotomy at the level of the right L4 pars interarticularis….
Recommendation 1 Do not operate in case of isolated low back pain 2 Do not operate with short existence of leg pain (<6 weeks), but also do not wait…
© Springer-Verlag Berlin Heidelberg 2016João Luiz Pinheiro-Franco, Alexander R. Vaccaro, Edward C. Benzel and H. Michael Mayer (eds.)Advanced Concepts in Lumbar Degenerative Disk Disease10.1007/978-3-662-47756-4_55 55. Lessons from a Life: The Journey of Spinal Neurosurgery in the United…
