Medical Malpractice Insurance for orthopaedic surgeons

Section 2, Chapter 11: In Vivo Biomechanical Assessment of the Lumbar Segment Using the Intraoperative Measurement System

Kazuhiro Hasegawa and Kei Watanabe INTRODUCTION Lumbar segmental instability is an unstable condition of the functional spinal unit of the lumbar spine. The definition is, however, yet to be clarified. In the clinical setting, evaluation of degenerative lumbar spines has been widely performed using X-ray measurement,1-7 but its usefulness for the diagnosis of segmental instability … Read more

Section 4, Chapter 1: Measuring Spine Safety

Fady Y. Hijji, Ankur S. Narain, Kern Singh and Jonathan N. Grauer INTRODUCTION Patient-centered outcomes and safety are central aspects of health care. Reform will require changes in quality and efficacy of treatment. Surgical treatment for spine disorders is rapidly growing in prevalence and cost – spinal fusion is currently the most expensive procedure performed … Read more

Section 8, Chapter 1: Rheumatoid Arthritis

Tamir Ailon, MD, MPH INTRODUCTION Rheumatoid arthritis (RA) is an inflammatory arthropathy that affects multiple joints in the extremities and axial skeleton. It is characterized by joint destruction which is thought to arise from autoimmune-mediated inflammation. Attenuation of ligamentous support structures around affected joints may lead to instability. RA is commonly associated with osteopenia and … Read more

Section 9, Chapter 6: Anterior and Lateral Interbody Fusion: Indications and Techniques in Lumbar Scoliosis

Comron Saifi, Joseph M. Lombardi, and Frank M. Phillips INTRODUCTION Degenerative scoliosis is an increasingly common pathology in the elderly population, posing clinical challenges for the surgeon and patient alike. Approximately 68% of adults over the age of 60 have some degree of degenerative scoliosis, defined as coronal curvature of the spine greater than 10 … Read more

Section 11, Chapter 5: Lateral Approaches to the Lumbar Spine

Nicolas Plais, MD and Federico P. Girardi, MD INTRODUCTION/CONCEPTS In 2003,1 Bertagnoli et al. described the transpsoas approach to access the retroperitoneal lumbar spine. In 2006,2 Ozgur et al. described a minimally invasive technique for anterior lumbar interbody fusion with less morbidity than the classic retroperitoneal approach. Today, lateral lumbar interbody fusion (LLIF) is a … Read more

Section 12, Chapter 5: Motion Preservation for Lumbar Disc Degeneration

Prasanna K. Venkatesh, Catherine Moran, and Ciaran Bolger INTRODUCTION Low back pain is one of the most prevalent problems in industrialized countries, affecting nearly 80% of adults at some time in their lives.1 A variety of pathologies cause low back pain, most common among them degenerative disc disease. It has been postulated that annular tears, … Read more

Section 15 Chapter 1: Degenerative Spondylolisthesis – Pathogenesis, Natural History and Classifications

Kajsa Rennerfelt, Deep Sharma, and Helena Brisby INTRODUCTION Degenerative spondylolisthesis is defined as “an acquired anterior displacement of one vertebra over the subjacent vertebra in the sagittal plane, associated with degenerative changes, without an associated disruption or defect in the vertebral ring” (referring to the NASS (North American Spine Society) Guidelines).1 While displacement in other … Read more