Polymethylmethacrylate: Properties and Contemporary Uses in Orthopaedics
J Am Acad Orthop Surg, Vol 18, No 5 Todd Jaeblon, DO Polymethylmethacrylate (PMMA) has been used in orthopaedics since the 1940s. Despite the development and popularity of new biomaterials, PMMA remains popular. Although its basic components remain the same, small proprietary and environmental changes create variations in its properties. PMMA can serve as a […]
Improving the Accuracy of Acetabular Component Orientation: Avoiding Malposition
NULL J Am Acad Orthop Surg, Vol 18, No 5 Joseph T. Moskal, MD and Susan G. Capps, PhD Improper acetabular component orientation negatively affects the outcome of total hip arthroplasty through increasing dislocation rates, component impingement, bearing surface wear, and the number of revision surgeries. Leg length, hip biomechanics, pelvic osteolysis, and acetabular component […]
Perioperative Management of the Patient With Cardiac Disease
NULL J Am Acad Orthop Surg, Vol 18, No 5 Robert C. Decker, MD, Jennifer R. Foley, MD and Thomas J. Moore, MD Dr. Moore or an immediate family member is a member of a speakers bureau or has made paid presentations on behalf of Osteotech and Synthes, serves as an unpaid consultant to Osteotech, […]
Hip Dislocation: Evaluation and Management
J Am Acad Orthop Surg, Vol 18, No 4, April 2010 David M. Foulk, MD and Brian H. Mullis, MD A simple hip dislocation is one without fracture of the proximal femur or acetabulum. Complex fracture-dislocations involve the acetabulum, femoral head, or femoral neck. The incidence of posttraumatic arthritis is much lower in simple dislocations […]
Evolving Techniques in Foot and Ankle Amputation
J Am Acad Orthop Surg, Vol 18, No 4, April 2010 Vincent Y. Ng, MD and Gregory C. Berlet, MD Multiple clinical pathways lead to lower extremity amputation, including trauma, dysvascular disease, congenital defects, and malignancy. However, the principles of successful amputationcareful preoperative planning, coordination of a multidisciplinary team, and good surgical techniqueremain the same. […]
Reporting and Notification of Adverse Events in Orthopaedics
J Am Acad Orthop Surg, Vol 18, No 4, April 2010 William M. Mihalko, MD, PhD, A. Seth Greenwald, D Phil (Oxon), Jack Lemons, PhD and John Kirkpatrick, MD, MS Surgeons should know how to alert the US FDA when an adverse event occurs with a device that has been approved by the FDA. Documentation […]
Advances in the Management of Spinal Cord Injury
J Am Acad Orthop Surg, Vol 18, No 4, April 2010 Ranjan Gupta, MD, Mary E. Bathen, BS, Jeremy S. Smith, MD, Allan D. Levi, MD, PhD, FACS, Nitin N. Bhatia, MD and Oswald Steward, PhD Historically, clinical outcomes following spinal cord injury have been dismal. Over the past 20 years, the survival rate and […]
Upper Extremity Surgery in Children With Cerebral Palsy
Craig Lomita, MD, Marybeth Ezaki, MD and Scott Oishi, MD, FACS J Am Acad Orthop Surg 2010 18 Pediatric patients with cerebral palsy present unique challenges. Any treatment regimen must take into account potential growth, possible sequelae of surgery, and, in some cases, significant behavioral issues. Careful evaluation of motor and sensory function of the […]
Evaluation of the Adult Patient (Aged >40 Years) With a Destructive Bone Lesion
Kristy L. Weber, MD J Am Acad Orthop Surg 2010 18 More than one half of cancer patients are likely to develop bone metastasis; thus, most orthopaedic surgeons will be presented with an adult patient with a destructive bone lesion. Proper management requires comprehensive patient evaluation, including history, physical examination, laboratory studies, and radiographic staging. […]
Surgical Treatment of Distal Biceps Rupture
Karen M. Sutton, MD, Seth D. Dodds, MD, Christopher S. Ahmad, MD and Paul M. Sethi, MD J Am Acad Orthop Surg 2010 18 Rupture of the distal biceps tendon accounts for 10% of all biceps brachii ruptures. Injuries typically occur in the dominant elbow of men aged 40 to 49 years during eccentric contraction […]