October 31, 2018
Today’s Top Story

Study Evaluates Effects of Biomechanically Different Polyethylene Inserts on TKA Outcomes

Different conformity in the polyethylene insert for total knee arthroplasty (TKA) may affect certain clinical outcomes, according to a study published online in Knee Surgery, Sports Traumatology, Arthroscopy. Consecutive TKA patients were randomized in two matched groups and received either posterior-stabilized (PS) implants (n = 50) or medially congruent (MC) implants (n = 50). Identical surgical techniques were used for both cohorts. There were no significant differences between the groups in average preoperative range of motion (ROM) (PS, 112 degrees; MC, 108 degrees), Knee Society Score (KSS) (PS, 64.4; MC, 63.7), Oxford Knee Score (OKS) (PS, 40.5; MC, 41.1), and body mass index (PS, 34.40 kg/m 2; MC, 34.60 kg/m 2). At final follow-up, researchers did not observe statistical differences between the groups’ average OKS (PS, 40.5; MC, 41.1) or KSS (PS, 161.5; MC, 165.7). There was a statistically—but not clinically—significant difference in final average maximum active flexion (PS, 120 degrees; MC, 123 degrees).

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Other News

Study: Complication Rates Associated with Use of Angiography with TAE

A retrospective study published in the Nov. 1 issue of the Journal of the AAOS found that pelvic angiography use with transcatheter arterial embolization (TAE) produces an acceptable complication rate Patients with pelvic ring injuries who underwent angiography with TAE from 2009 to 2013 (n = 41) were compared to 40 controls who underwent angiography without TAE. In the TAE group, eight patients (19.5 percent) had complications compared to three (7.5 percent) in the control group. The complication rate for all patients was 13.6 percent.

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Study Connects Youth Participation in Organized Sports to Increased Bone Mass in Adulthood

Adolescents who engage in organized sports could have greater bone mineral content (BMC) later in life, according to a study published online in the Journal of Bone and Mineral Research. Parents provided information on organized sport participation for 984 children (48 percent female) aged five, eight, 10, 14, and 17 years. Females were categorized as “consistent sport participators” (48 percent), “dropouts” (34 percent), and “nonparticipators” (18 percent), while males were classified as “consistent sport participators” (55 percent), “dropouts” (37 percent), and “sports joiners” (8 percent). At age 20, “consistent sport participator” females had much greater leg BMC compared to the “dropouts.” For males at this age, “consistent sport participators” had significantly greater whole-body BMC than the “dropouts,” and “sports joiners” had increased leg BMC compared to those who dropped out.

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Study: Use of Palmar Angular Stable Locking Plate in DRF Stabilization Associated with Few Complications

A retrospective review published online in Archives of Orthopaedic and Trauma Surgery found that stabilization of distal radius fractures (DRF) by palmar angular stable locking plate may be a safe treatment with good clinical and radiological outcomes. Researchers collected data on 392 DRF patients (259 female, 133 male) treated with palmar angular stable locking plate between January 2013 and December 2016 with a minimum of three months follow-up. Patients were divided by age: younger than 65 and 65 years and older. Researchers documented ROM in extension, flexion, supination, pronation, radial, and ulnar deviation at final follow-up. In total, 13 percent of patients (n = 51) experienced early complications, and 4 percent (n = 17) had late complications. Carpal tunnel syndrome (3 percent), complex regional pain syndrome (3 percent), and loss of reduction (2 percent) were the most common complications, and 73 percent of all complications were seen in AO type C fractures. Patients who did not have complications had significantly better ROM in extension, flexion, pronation, and supination compared to patients without complications. Complication incidence, ROM, and reduction loss did not differ between the two age groups.

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Study: Teriparatide May Reduce Hip Fractures in Osteoporosis Patients

A meta-analysis published online in the journal Bone found that patients with osteoporosis treated with teriparatide had a lower risk of hip fracture, but not upper limb fractures. Researchers gathered data from 23 randomized clinical trials, comprising 8,644 patients with osteoporosis, of whom 3,893 were treated with teriparatide. Mean age was 67.0 years, and median treatment duration was 18 months. Fractures included incident hip (n = 34), humerus (n = 31), forearm (n = 31), and wrist (n = 62). Teriparatide reduced hip fractures by 56 percent. Risk of humerus, forearm, and wrist fractures did not significantly differ between the teriparatide and control groups.

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Don’t Be the Next Victim of Billing Fraud and Abuse

Improper payments may result from mistakes, inefficiencies, rule-breaking, and intentional deception. Coding errors unearthed by audits may lead to fines and even jail time. Here, AAOS Now explains some of the most frequent pitfalls every physician should be aware of and avoid.

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Final call: Apply for the ACOEM Task Force

The American College of Occupational and Environmental Medicine (ACOEM) Task Force has an open member position, a one-year term that runs from Dec. 1 through Dec. 1, 2019. The Task Force will assist in developing a white paper that would recommend that a patient’s function be tracked regularly and be used to assist in setting personal goals and monitoring patient progress or maintenance. The application deadline is Nov. 9.

Learn more and submit your application…(member login required)


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