October 2012 Briefing - OrthopedicsLast Updated: November 01, 2012.
Here are what the editors at HealthDay consider to be the most important developments in Orthopedics for October 2012. This roundup includes the latest research news from journal articles, as well as the FDA approvals and regulatory changes that are the most likely to affect clinical practice.
Once-Yearly Zoledronic Acid Benefits Men With Osteoporosis
WEDNESDAY, Oct. 31 (HealthDay News) -- For men with osteoporosis, a once-yearly infusion with zoledronic acid is associated with fewer vertebral fractures and improved bone health compared with placebo, according to a study published in the Nov. 1 issue of the New England Journal of Medicine.
Scoliosis Surgery Improves Adolescents' Quality of Life
WEDNESDAY, Oct. 31 (HealthDay News) -- Surgical treatment of adolescent idiopathic scoliosis (AIS) significantly improves quality of life (QOL), according to research published online Oct. 22 in the Journal of Spinal Disorders & Techniques.
U.S. Medicare Spending on Elderly Has Outpaced Canada's
TUESDAY, Oct. 30 (HealthDay News) -- U.S. Medicare spending on the elderly has grown nearly three times faster than its Canadian counterpart, according to a study published online Oct. 29 in the Archives of Internal Medicine.
Customized Disc Implant End Plates Up Load Distribution
TUESDAY, Oct. 30 (HealthDay News) -- Customizing the end plate geometry of intervertebral disc implants correlates with improved load distribution and stiffness, according to a study published online Oct. 29 in The Spine Journal.
Spine Society Assesses Adoption of Conflicts of Interest Policies
MONDAY, Oct. 29 (HealthDay News) -- The North American Spine Society (NASS) has adopted strict divestment and disclosure policies with no detrimental effects, according to research published online Oct. 22 in The Spine Journal.
Compensation Influences Lumbar Spinal Fusion Outcomes
FRIDAY, Oct. 26 (HealthDay News) -- The type of compensation status (workers' compensation versus disability compensation) influences patient outcomes following lumbar spinal fusion, according to a study published online Oct. 17 in Spine.
High Costs for Early Retirement Due to Spinal Disorders
FRIDAY, Oct. 26 (HealthDay News) -- Spinal disorders that trigger early retirement have a significant impact on labor force participation and the gross domestic product (GDP) in Australia, according to a study published online Oct. 22 in The Spine Journal.
Surgery Center Influences Outcomes in Spinal Surgery
THURSDAY, Oct. 25 (HealthDay News) -- Choice of surgery center affects patient outcomes following surgery for lumbar stenosis and degenerative spondylolisthesis, according to research published online Oct. 17 in Spine.
Genuine Very Large Effects in Trials Rare in Medicine
TUESDAY, Oct. 23 (HealthDay News) -- Large treatment effects are most likely to be found in small studies, with the effect diminishing with additional trials, according to research published in the Oct. 24 issue of the Journal of the American Medical Association.
Lower Extremity Pain Negatively Impacts Obese Children
MONDAY, Oct. 22 (HealthDay News) -- Obese children with lower extremity (LE) pain have worse physical function and poorer psychosocial health compared to those without LE pain, according to a study published online Oct. 12 in Clinical Orthopaedics and Related Research.
Prognostic Factors Identified for Intramedullary Tibial Nailing
FRIDAY, Oct. 19 (HealthDay News) -- Fracture and surgical factors have been identified for the prediction of adverse outcomes after intramedullary nailing of tibial shaft fractures, according to a study published in the Oct. 3 issue of The Journal of Bone & Joint Surgery.
Procedure Can Treat Stiff-Knee Gait in Spastic Cerebral Palsy
FRIDAY, Oct. 19 (HealthDay News) -- For individuals with spastic diplegic cerebral palsy and stiff-knee gait with decreased peak knee flexion in the swing phase, distal rectus femoris transfer (DRFT) produces significant and lasting improvements in peak knee flexion, according to research published in the Oct. 3 issue of The Journal of Bone & Joint Surgery.
Return to Work Difficult for Doctors on Sick Leave
THURSDAY, Oct. 18 (HealthDay News) -- Returning to work after a prolonged sick leave for physical or mental health problems, or drug or alcohol problems, is difficult for doctors, who describe self-stigmatization and fear a negative response on their return to work, according to a study published online Oct. 15 in BMJ Open.
Criteria Variable for Concussion Diagnosis in College Athletes
WEDNESDAY, Oct. 17 (HealthDay News) -- For college athletes, diagnosed concussions are associated with a specific contact event about two-thirds of the time, and diagnosis is often based on self-reported symptoms after a variable delay, according to a study published online Oct. 2 in the Journal of Neurosurgery.
Landmarks ID'd to Orient Humerus in Elbow Arthroplasty
WEDNESDAY, Oct. 17 (HealthDay News) -- The posterior humeral cortical line (PCL) is better than the transepicondylar axis (TEA) as a reference point and reproducible landmark for orienting the humerus during elbow arthroplasty, but both measures are error prone due to normal variation in rotational orientation, according to a study published in the Oct. 3 issue of The Journal of Bone & Joint Surgery.
Patellofemoral Disease Features Analyzed in Osteoarthritis
MONDAY, Oct. 15 (HealthDay News) -- For patients with osteoarthritis (OA), knees affected by more severe patellofemoral (PF) disease have distinct features from those of patients with tibiofemoral (TF) OA in isolation or in combination with mild PF disease, according to a study published online Oct. 8 in Arthritis Care & Research.
Cell Saver Not Cost-Effective in Single-Level Lumbar Surgery
MONDAY, Oct. 15 (HealthDay News) -- Use of intraoperative blood salvage (cell saver) is not cost-effective for adult patients undergoing single-level posterior lumbar decompression and fusion (PLDF) surgery, according to research published online Oct. 5 in Spine.
Methotrexate Use Linked to Reduced Mortality in RA
FRIDAY, Oct. 12 (HealthDay News) -- Use of methotrexate for one year or more is associated with a reduction in the risk of mortality for patients with rheumatoid arthritis (RA), according to a study published online Oct. 8 in Arthritis & Rheumatism.
Diabetes Independently Predicts Severe Osteoarthritis
FRIDAY, Oct. 12 (HealthDay News) -- Type 2 diabetes is independently associated with increased risk of severe osteoarthritis, and independently predicts arthroplasty, according to a study published online Sept. 21 in Diabetes Care.
Study Supports Costoplasty for Rib Hump Deformity Correction
WEDNESDAY, Oct. 10 (HealthDay News) -- In the treatment of adolescent idiopathic scoliosis, the addition of costoplasty to pedicle screws and vertebral derotation may significantly improve correction of the rib hump deformity compared with pedicle screws and vertebral derotation alone, according to research published online Sept. 28 in the Journal of Spinal Disorders & Techniques.
No Link Between Whole-Body Vibration and Spine Pathology
TUESDAY, Oct. 9 (HealthDay News) -- Whole-body vibration (WBV) is not a cause for spinal pathological changes on imaging, according to a systematic review published in the October issue of Spine.
Polymer-on-Metal Tops Metal-on-Polymer in Disc Arthroplasty
TUESDAY, Oct. 9 (HealthDay News) -- Friction, flexion, and range-of-motion are significantly improved using a polymer socket and metal ball compared with the traditional total disc arthroplasty (TDA) performed with a metal socket and polymer ball, according to a study published in the Oct. 1 issue of Spine.
Prompt Kyphoplasty Not Crucial for Osteoporotic Vertebral Fx
MONDAY, Oct. 8 (HealthDay News) -- For patients with osteoporotic vertebral compression fractures (OVCFs), kyphoplasty can be successfully performed following failure of a three-week trial with conventional treatment, with both treatments resulting in similar outcomes at one year, according to a study published online Oct. 1 in The Spine Journal.
Dysphagia Not Tied to Post-Anterior Cervical Op Swelling
FRIDAY, Oct. 5 (HealthDay News) -- Although significant soft-tissue swelling can occur after anterior cervical discectomy and fusion (ACDF) procedures, the width of the prevertebral soft-tissue swelling on radiographic analysis does not correlate with the severity of postoperative dysphagia, according to research published in the August issue of The Spine Journal.
Variety of Techniques Effective for Treating Spinal Synovial Cysts
THURSDAY, Oct. 4 (HealthDay News) -- For patients with spinal synovial cysts, the majority who undergo surgery have excellent or good outcomes, according to a study published online Sept. 6 in the Journal of Spinal Disorders & Techniques.
Risk Factors for Tracheostomy in Spinal Cord Injury Identified
THURSDAY, Oct. 4 (HealthDay News) -- Patient age, severe neurological impairment, and forced vital capacity (FVC) are useful for predicting the need for tracheostomy in the management of patients with cervical spinal cord injury (CSCI) in the acute care setting, according to research published online Sept. 19 in Spine.
Limiting the Problem of Missing Data Urged for Clinical Trials
WEDNESDAY, Oct. 3 (HealthDay News) -- Missing data compromise inferences from clinical trials, and due to the problematic nature of compensation with analysis methods, the importance of avoiding missing data in clinical trials is paramount, according to a special report published in the Oct. 4 issue of the New England Journal of Medicine.
ProDisc-C Device Doesn't Change Facet Joint Pressures
WEDNESDAY, Oct. 3 (HealthDay News) -- Local facet joint contact pressures are not significantly altered during sagittal bending after the implantation of a ProDisc-C device at the C5 to C6 level in cadaveric human cervical spines, according to a study published online Sept. 12 in The Spine Journal.
Lasting Efficacy for Minimally-Invasive Spinal Fusion
WEDNESDAY, Oct. 3 (HealthDay News) -- For patients undergoing spinal fusion by minimally-invasive lateral lumbar interbody fusion (LLIF), the procedure is safe and effective based on a follow-up of at least two years, according to research published online Sept. 6 in the Journal of Spinal Disorders & Techniques.
Observation Units Could Save $3.1 Billion Nationally Per Year
TUESDAY, Oct. 2 (HealthDay News) -- The addition of observation units to U.S. hospitals which do not currently have them in place could save $3.1 billion nationally per year in health care costs, according to a study published online Sept. 26 in Health Affairs.
Hip Resurfacing Shows Higher Failure Rate Than Replacement
TUESDAY, Oct. 2 (HealthDay News) -- Hip resurfacing has an "unacceptably high" failure rate, particularly in women, according to a study published online Oct. 2 in The Lancet.
Patients Benefit From Access to Physician Notes
MONDAY, Oct. 1 (HealthDay News) -- Patients report clinically relevant benefits and minimal concerns, while doctors do not experience negative consequences, from allowing patient access to visit notes, according to a study published in the Oct. 1 issue of the Annals of Internal Medicine.
Gene ID'd With Possible Role in Disc Degeneration
MONDAY, Oct. 1 (HealthDay News) -- The PARK2 gene may be associated with lumbar disc degeneration (LDD), according to a study published online Sept. 19 in the Annals of the Rheumatic Diseases.