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| Today’s Top Story
Linking HOOS-PS and PROMIS PF Scores in Patients with Hip Osteoarthritis
A retrospective study published in the August 1 issue of the Journal of the AAOS ® aimed to link patient-reported outcome measures in 3,382 orthopaedic surgery patients with hip osteoarthritis. The primary outcomes were the Hip Disability and Osteoarthritis Outcome Score–Physical Function Short Form (HOOS-PS) and the Patient-reported Outcomes Measurement Information System Physical Function (PROMIS PF). Comparing the accuracy of linking these measures using four different methods, PROMIS PF and HOOS-PS scores were strongly correlated (r = −0.827 for raw HOOS-PS scores and r = 0.820 for summary HOOS-PS scores).
Read the study… |
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| In Other News
Study: Short-term Kinematic Changes Measured during Gait after ACL Injury
The Orthopaedic Journal of Sports Medicine published a controlled laboratory study measuring the short-term kinematic changes during gait after ACL injury. In total, seventy-six patients with unilateral ACL deficiency were divided into four groups based on time of injury (<3 months, 3 to 6 months, >6 to 12 months, and >12 months). Changes in knee kinematics and range of motion (ROM) were compared between groups. ROM was significantly lower in group one (6 degrees). Excessive anterior translation and internal rotation of the tibia tended to return to normal, while excessive medial translation of the tibia increased after six months.
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| High Incidence of Reoperation after Plating of Greater Trochanter Periprosthetic Femur Fractures
In a retrospective study published online in The Journal of Arthroplasty, high incidence rates of reoperation occurred within the first two years following plating of greater trochanter (GT) periprosthetic femur fractures. Forty-four patients with GT fractures were included in the analysis. Initial, immediate, and final follow-up radiographs were evaluated, while subsequent reoperations, nonunion, and hardware failure were identified. At two-year follow-up, there were nine reoperations, 14 nonunions, and 10 instances of hardware failure. The displacement of the GT prior to fixation was a predictor of subsequent nonunion.
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| Study: Critical Shoulder Angle and Acromion Index after Antero-lateral Acromioplasty
A retrospective study published in Arthroscopy found that antero-lateral acromioplasty did not result in significant changes to the critical shoulder angle (CSA) or acromion index (AI). Overall, 435 subjects were included in the final analysis. The measurements performed using radiographic software included: AI, CSA, lateral acromial angle, beta angle, acromio-humeral distance, Aoki angle, frontal supraspinatus outlet angle, and acromion type according to Bigliani. CSA did not significantly change postoperatively. Pathological preoperative CSA values of >35 degrees were significantly reduced after surgery, but not to normal values. All other parameters resulted in significant postoperative changes.
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| Study: Percutaneous Vertebroplasty for Lumbar Osteoporotic Vertebral Compression Fractures via Unilateral Extrapedicular Approach
Published online in BMC Musculoskeletal Disorders, a retrospective study investigated the anatomical feasibility of percutaneous vertebroplasty for lumbar osteoporotic vertebral compression fractures via a unilateral extrapedicular approach. Three hundred lumbar arteries (LA) in 30 patients with non-spinal disorders were included in the analysis. The anatomy and orientation of LAs were analyzed by CT angiography. Most LAs were found in the middle third of the body (zones 4, 5, and 6). From L1 to L3 (zone 1), LAs were only anteriorly and laterally distributed and appeared to be a low-risk area for arterial injury.
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| AAOS Now
ABOS Knowledge, Skills, and Behavior Program Proves Successful in Its First Official Year
The recently updated American Board of Orthopaedic Surgery (ABOS) Knowledge, Skills, and Behaviors Program gives residents the opportunity to take greater responsibility for their own education by providing feedback to help them become more competent orthopaedic surgeons. This article explains how the program also allows program directors, through a designated portal, to easily measure, document, and track residents’ development and competency.
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