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Category: Orthopedics | Monthly Briefing

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April 2011 Briefing - Orthopedics

Last Updated: May 02, 2011.

 

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Here are what the editors at HealthDay consider to be the most important developments in Orthopedics for April 2011. 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.

Percutaneously Placed Pedicle Screws Risk Joint Violation

FRIDAY, April 29 (HealthDay News) -- Percutaneously placed pedicle screws in minimally invasive lumbar spinal fusion have higher incidence of cranial facet joint violations than traditionally instrumented screws, according to a study published in the April issue of The Spine Journal.

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Helical Cutting May Improve Tendon Length and Strength

FRIDAY, April 29 (HealthDay News) -- Helical cutting of the Achilles tendon may allow a greater increase in tendon length than z-plasty, along with reliable tendon continuity and improved resistance to tensile load, according to an animal study published in the April 20 issue of The Journal of Bone & Joint Surgery.

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Fractures Seen in Older Levothyroxine Users

FRIDAY, April 29 (HealthDay News) -- Older people who take levothyroxine may be at risk for fractures, particularly if their cumulative doses are medium or high, according to research published online April 28 in BMJ.

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Scoliosis Prevalence Increases With Age

THURSDAY, April 28 (HealthDay News) -- The prevalence of scoliosis increases with advancing age, with a higher prevalence in whites, according to a study published in the April 20 issue of Spine.

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Low-Dose Aspirin Affects Post-Surgery Blood Drainage

WEDNESDAY, April 27 (HealthDay News) -- Patients taking low-dose aspirin have significantly increased blood drainage and are at increased risk of complications after spinal surgery, even if they stop taking aspirin seven days before surgery, according to a study published in the April issue of The Spine Journal.

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Preoperative MRI Doesn't Affect Scoliosis Surgery Outcomes

WEDNESDAY, April 27 (HealthDay News) -- Preoperative magnetic resonance imaging (MRI) for adolescent idiopathic scoliosis may not affect the surgical outcome even if a neural abnormality is detected, according to a study published in the April 15 issue of Spine.

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Oophorectomy May Not Adversely Affect Health

WEDNESDAY, April 27 (HealthDay News) -- Elective bilateral salpingo-oophorectomy (BSO) with hysterectomy is associated with a lower risk of ovarian cancer than ovarian conservation and hysterectomy, and BSO does not appear to have adverse effects on cardiovascular health, hip fracture, cancer, or total mortality compared with ovarian conservation and hysterectomy, according to research published in the April 25 issue of the Archives of Internal Medicine.

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Cervical Instabilities Progress in Rheumatoid Arthritis

TUESDAY, April 26 (HealthDay News) -- In patients with rheumatoid arthritis (RA), vertical subluxation (VS) and subaxial subluxation (SAS) increase over time, especially in patients with pre-existing VS, SAS, and/or mutilating changes, according to a study published in the April 15 issue of Spine.

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Knee Replacement Implants Have Similar Performance

TUESDAY, April 26 (HealthDay News) -- There are no significant differences in the clinical outcomes of total knee arthroplasty using either oxidized zirconium or cobalt-chromium femoral components in short-term or long-term follow-up, according to a study published in the April 6 issue of The Journal of Bone & Joint Surgery.

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Bone Cement Doesn't Augment Volar Locking Plate Fixation

MONDAY, April 25 (HealthDay News) -- Injection of calcium phosphate bone cement offers no additional benefit over volar locking plate fixation in elderly patients with unstable distal radial fractures, according to a study published in the April 6 issue of The Journal of Bone & Joint Surgery.

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Straight Cylindrical Cages Increase Implant Failure Rate

MONDAY, April 25 (HealthDay News) -- Failure to account for the trapezoid shape of the L5 vertebral body may lead to complications following implant fitting during anterior reconstruction, according to a study published in the April issue of The Spine Journal.

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Disc Degeneration More Prevalent in Obese Adolescents

FRIDAY, April 22 (HealthDay News) -- Overweight and obese adolescents without spinal deformities have increased prevalence and severity of juvenile disc degeneration compared with their normal-weight peers, according to a study published in the April 6 issue of The Journal of Bone & Joint Surgery.

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Multilevel Surgery Improves Outcomes in Cerebral Palsy

THURSDAY, April 21 (HealthDay News) -- Functional and dynamic positional outcomes improve in children with hemiplegic cerebral palsy who undergo single-event multilevel surgery, according to a study published in the April 6 issue of The Journal of Bone & Joint Surgery.

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Uremic Patients Risk Spinal Surgery Complications

WEDNESDAY, April 20 (HealthDay News) -- Uremic patients undergoing posterior instrumented lumbar spinal surgery have similar solid fusion rates, but are at increased risk of complications compared to controls, according to a study published in the April 15 issue of Spine.

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More Than Five Million Youth Treated for Football Injuries

WEDNESDAY, April 20 (HealthDay News) -- An estimated 5.25 million children and adolescents in the age group 6 to 17 years were treated for football-related injury in U.S. emergency departments from 1990 to 2007, according to a study published in the March issue of Clinical Pediatrics.

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Physical Activity Guidelines May Improve Survival

WEDNESDAY, April 20 (HealthDay News) -- Meeting the recommendations set out in the federal 2008 Physical Activity Guidelines for Americans is associated with reduced all-cause mortality in U.S. adults, according to a study published online April 5 in the American Journal of Preventive Medicine.

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Decreased Length of Stay in Hospital for Hip Arthroplasty

TUESDAY, April 19 (HealthDay News) -- Between 1991 and 2008, the length of stay (LOS) in the hospital for Medicare patients undergoing primary or revision hip arthroplasty decreased, while discharge to skilled care and readmission rates increased, according to a study published in the April 20 issue of the Journal of the American Medical Association.

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Closing Wedge Osteotomies Stiffer Than Opening Wedge

MONDAY, April 18 (HealthDay News) -- Closing wedge osteotomies (CWOs) are more mechanically stiff than opening wedge osteotomies (OWOs) in flexion-extension (FE), according to a study published in the April 15 issue of Spine.

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Self-Rated Health Predicts Outcomes of Joint Replacement

THURSDAY, April 14 (HealthDay News) -- Mental well-being and self-rated health (SRH) predict outcomes of total joint replacements, more than patients' prior physical health, according to a study published online March 18 in Arthritis Care & Research.

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Spinal Fusion Well Tolerated in Idiopathic Scoliosis

THURSDAY, April 14 (HealthDay News) -- Despite accelerated L5-S1 disc degeneration, patients with adolescent idiopathic scoliosis (AIS) maintain good function and balance more than 10 years after spinal fusion, according to a study published online Feb. 1 in Spine.

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Bipolar Sealer Not Preferable to Electrocautery in Arthroplasty

FRIDAY, April 8 (HealthDay News) -- Use of a bipolar sealer to achieve hemostasis during uncomplicated primary total hip arthroplasty does not appear to have any advantages over standard electrocautery, according to research published in the March 16 issue of The Journal of Bone & Joint Surgery.

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'Global Trigger Tool' Identifies 10 Times More Errors

THURSDAY, April 7 (HealthDay News) -- Use of the new Global Trigger Tool, developed by the Institute for Healthcare Improvement, detects at least 10 times more adverse events than other methods currently in use, according to a study published in the April issue of Health Affairs.

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High-Impact Activities Increase Fracture Risk in Girls

TUESDAY, April 5 (HealthDay News) -- Specific high-impact activities, including basketball, running, gymnastics, and cheerleading, significantly increase the risk of stress fractures among adolescent girls, according to a study published online April 4 in the Archives of Pediatrics & Adolescent Medicine.

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Total Hip Arthroplasty Treats Developmental Hip Dysplasia

FRIDAY, April 1 (HealthDay News) -- Cementless modular total hip arthroplasty together with subtrochanteric osteotomy appears to be a satisfactory treatment for patients with prior Crowe Group-IV dysplasia of the hip, according to research published in the March 16 issue of The Journal of Bone & Joint Surgery.

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Risks for Complications After Scoliosis Surgery Identified

FRIDAY, April 1 (HealthDay News) -- Children who undergo surgery for neuromuscular scoliosis are more likely to have major complications if they are nonambulatory and if their curve magnitude is 60 degrees or more before surgery, according to a study published in the April 1 issue of Spine.

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Cell Phone Proximity to Hip Tied to Bone Mineralization

FRIDAY, April 1 (HealthDay News) -- Men who carry their cell phone next to their hip may have reduced bone mineral content (BMC) and bone mineral density (BMD) in same side hip, according to a study published in the March issue of the Journal of Craniofacial Surgery.

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