Here are what the editors at HealthDay consider to be the most important developments in Orthopedics for April 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.
Prevalence, Patterns of Modic Changes in Spine Described
FRIDAY, April 27 (HealthDay News) -- Modic changes (MCs) are frequently detected in the lumbar spine, and their presence is associated with age, according to a study published online April 20 in The Spine Journal.
Early Menopause Ups Risk of Osteoporosis, Fractures, Death
THURSDAY, April 26 (HealthDay News) -- The occurrence of menopause before age 47 correlates with increased osteoporosis at age 77, increased incidence of fragility fractures, and increased mortality, according to a study published online April 25 in BJOG: An International Journal of Obstetrics and Gynaecology.
Bone Metabolism, Vitamin D Key in Postkyphoplasty Breaks
WEDNESDAY, April 25 (HealthDay News) -- For postmenopausal women with osteoporosis, bone metabolism and 25-hydroxyvitamin D (25[OH]D) levels are associated with postkyphoplasty recurrent vertebral compression fractures, according to a study published online April 12 in The Spine Journal.
Lasting Benefit for Rotating-Platform Knee Arthroplasty
TUESDAY, April 24 (HealthDay News) -- After at least 10 years of follow-up, total knee replacement using a second-generation, cemented, rotating-platform, posterior-stabilized total knee prosthesis offers excellent and durable clinical and radiologic results in active patients, according to a study published in the April 4 issue of The Journal of Bone & Joint Surgery.
Patients With Acute Low Back Pain Have Poor Prognosis
TUESDAY, April 24 (HealthDay News) -- Few patients with acute low back pain (LBP), with or without sciatica, declare sick leave; however, approximately half have one or more recurrences and a considerable proportion experience chronic pain six months or longer after the initial episode, according to a study published in the April 15 issue of Spine.
Hip Replacement Outcomes Similar With/Without Cement
TUESDAY, April 24 (HealthDay News) -- Hemiarthroplasty with the cemented Exeter implant provides pain relief comparable to hemiarthroplasty with the uncemented Alloclassic implant in elderly patients with a displaced femoral neck fracture, according to a study published in the April 4 issue of The Journal of Bone & Joint Surgery.
Oxiplex Improves Outcomes After Lumbar Discectomy
TUESDAY, April 24 (HealthDay News) -- The use of Oxiplex gel (containing carboxymethylcellulose, polyethylene oxide, and calcium) to coat the surgical site during discectomy procedures for the treatment of lumbar disc herniation is associated with improved clinical outcomes, according to a study published in the April 15 issue of Spine.
Gritti-Stokes Amputations Beneficial for Trauma Patients
MONDAY, April 23 (HealthDay News) -- The Gritti-Stokes amputation procedure is beneficial and appears to be safe for patients in a trauma setting, according to a study published in the April 4 issue of The Journal of Bone & Joint Surgery.
Lower Limb Positioning Impacts Lordosis, Kyphosis
MONDAY, April 23 (HealthDay News) -- An individual's lordosis and kyphosis can both be changed by lower limb positioning, according to a study published in the April issue of the Journal of Spinal Disorders & Techniques.
High BMI Tied to Non-Specific Foot Pain, Plantar Heel Pain
MONDAY, April 23 (HealthDay News) -- Increased body mass index (BMI) correlates with non-specific foot pain in the general population, and with chronic plantar heel pain in a non-athletic population, according to a meta-analysis published online April 13 in Obesity Reviews.
Magnetically-Controlled Rod Shows Promise for Scoliosis
THURSDAY, April 19 (HealthDay News) -- Use of a magnetically-controlled growing rod (MCGR) procedure may be effective and safe for non-invasive outpatient distraction in children with scoliosis, according to research published online April 19 in The Lancet.
Numerous Genetic Variants Linked to Bone Mineral Density
WEDNESDAY, April 18 (HealthDay News) -- Pooling the results of numerous studies, 56 genetic variants associated with bone mineral density have been identified, of which 14 are associated with fracture risk, according to a study published online April 15 in Nature Genetics.
Lower Pullout Strength for Hubbed Pedicle Screws
FRIDAY, April 13 (HealthDay News) -- Use of hubbed pedicle screws in the thoracic spine is associated with significantly lower pullout strength (POS), according to a study published online April 6 in The Spine Journal.
Pattern of Disc Degeneration Impacts Low Back Pain
WEDNESDAY, April 11 (HealthDay News) -- Contiguous, multilevel disc degeneration (CMDD) is associated with increased likelihood of low back pain (LBP) and pain severity compared with skipped level disc degeneration (SLDD), according to a study published in the April 1 issue of Spine.
BMD Loss Occurs Early in Androgen Deprivation Therapy
WEDNESDAY, April 11 (HealthDay News) -- The highest average change in bone mineral density (BMD) occurs during early treatment of nonmetastatic, hormone-sensitive prostate cancer in men receiving intermittent androgen deprivation therapy (ADT), according to research published online April 9 in the Journal of Clinical Oncology.
Study Tests Unilateral Versus Bilateral Lumbar Fusion
MONDAY, April 9 (HealthDay News) -- For patients with degenerative lumbar diseases, the unilateral pedicle screw (PS) instrumented transforaminal lumbar interbody fusion (TLIF) procedure results in shorter operative time, less blood loss, and reduced implant costs compared with a bilateral PS instrumented TLIF procedure, according to research published in the March issue of The Spine Journal.
Targeted Exercise Relieves Sciatica Pain
MONDAY, April 9 (HealthDay News) -- Active conservative symptom-guided therapy for severe sciatica can safely reduce pain and improve neurological function at a rate that matches or surpasses outcomes from common higher-cost surgical interventions, according to a Danish study published in the April 1 issue of Spine.
Lumbar Spinal Stenosis Lowers Health-Related QoL
FRIDAY, April 6 (HealthDay News) -- Patients diagnosed with lumbar spinal stenosis (LSS) have a substantial burden of illness and reduced health-related quality of life (HRQL) compared to the general population, and their HRQL is compounded by associated comorbidities, according to a study published in the March issue of The Spinal Journal.
Study Finds Posterior C1 Fixation to Be Safe, Accurate
FRIDAY, April 6 (HealthDay News) -- Posterior C1 screw fixation can be performed safely and accurately, without significant hemorrhaging, according to a study published in the March issue of The Spine Journal.
Physical Activity Predicts Functionality in Older Adults
FRIDAY, April 6 (HealthDay News) -- Physically active older adults experience significantly fewer functional limitations than more sedentary older adults, according to a study published online April 5 in the Journal of the American Geriatrics Society.
Posterior-Only Spinal Fusion Feasible in Parkinson's Disease
THURSDAY, April 5 (HealthDay News) -- For patients with Parkinson's disease (PD) with major spinal deformities, a posterior-only approach for spinal fusion from T2 to the sacrum is associated with good clinical and radiologic results as well as high patient satisfaction, according to a study published online March 28 in the Journal of Spinal Disorders & Techniques.
Medical Malpractice Claims Incur Substantial Defense Costs
WEDNESDAY, April 4 (HealthDay News) -- Defense costs for medical malpractice claims vary among specialties and are higher for claims that result in indemnity payments, according to a letter published in the April 5 issue of the New England Journal of Medicine.
Metal-on-Metal Bearing Not Linked to Cancer Incidence
WEDNESDAY, April 4 (HealthDay News) -- Hip replacements with metal-on-metal bearing surfaces do not seem to be associated with cancer incidence, according to study published online April 3 in BMJ.
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