Today’s Top Story

Study: Injections within Four Weeks of Knee Arthroscopy Increases Infection Risk

Patients who receive intra-articular knee corticosteroid injections within four weeks of simple knee arthroscopy could increase their risk for postoperative infection, according to a study published online in Arthroscopy. Researchers queried private payer (PP) and Medicare (MC) national insurance databases for patients who underwent simple arthroscopic knee procedures. A total of 5,533 patients were stratified into groups based on when they received an injection: within two (n = 725), four (n = 1,236), six (n = 1,716), or eight weeks (n = 1,856). Infection rates were significantly higher in the two-week group compared to the six- and eight-week groups in both the PP and MC datasets. The four-week group also had significantly higher infection risk compared to the six- and eight-week cohorts. There were no between-group differences in either dataset for the two- and four-week groups.

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Other News

Study Evaluates 4D CT Scan in Patients with Ankle Stiffness and Instability

According to a study published in the May issue of the European Journal of Radiology, a four-dimensional (4D) CT scan could provide objective criteria for differentiating between patients with chronic ankle instability or clinical subtalar joint stiffness and healthy patients. A 4D CT evaluation was performed on 13 healthy patients (no previous ankle trauma), 18 patients with clinical subtalar joint stiffness, and 10 patients with chronic ankle instability. The 4D CT scan showed significant differences between axial and coronal talocalcaneal angles of healthy patients and those with joint stiffness. Patients with chronic ankle instability had significantly lower mean and maximal posterior calcaneal facet uncovering compared to the healthy cohort.

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Study: Do T-score Differences and Nonprogression Predict Vertebral Fractures?

A study published online in Clinical Endocrinology evaluated the relationship between T-score differences and vertebral area nonprogression and vertebral fractures. There were 100 patients with at least one fracture in L1–L4 and 106 nonfracture patients, all of whom underwent a dual energy X-ray absorptiometry scan and lumbar spine X-ray. When the T-score difference was ≥ 1 standard deviation (SD), the odds ratio (OR) for fracture was 1.30; sensitivity was 0.40, and specificity was 0.66. When the T-score difference was ≥ 1.5 SD, the fracture OR was 2.26, with sensitivity and specificity of 0.24 and 0.88, respectively. Nonprogression rates were 38 percent in the nonfracture group and 23 percent in the fracture group.

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Study Assesses Modified Suture Button Arthroscopic Latarjet Procedure

The modified suture button arthroscopic Latarjet procedure was associated with positive outcomes and few complications in a retrospective review published online in BMC Musculoskeletal Disorders. The study included 50 recurrent shoulder joint dislocation patients. Researchers assessed postoperative clinical outcomes, position of the grafts, glenohumeral degeneration, and graft healing condition at least 1.5 years after surgery. All 50 patients reported clinical satisfaction, and the overall complication rate was 4 percent. Sagittal view CT scans showed that grafts were in good position in 88 percent of cases; when looking at the axial view, 40 cases were flush with the glenoid rim.

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Children Enrollment in Medicaid, CHIP Significantly Decreases

The number of children covered by Medicaid and the Children’s Health Insurance Program (CHIP) in 2018 dropped by more than 861,000 compared to 2017, according to an analysis of Centers for Medicare & Medicaid Services (CMS) data by Georgetown University Health Policy Institute Center for Children and Families. CMS Administrator Seema Verma stated that the Medicaid and CHIP enrollment declines can be attributed to an improving economy, but some critics disagree.

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Read the Georgetown University analysis…

Read the CMS report…


ABOS Opens Web-based Longitudinal Assessment Questions

The American Board of Orthopaedic Surgery (ABOS) has launched a new Knowledge Assessment option as part of the ABOS Maintenance of Certification program. Instead of sitting for an ABOS computer-based or oral recertification examination, ABOS Diplomates can now complete the assessment via the new Web-based Longitudinal Assessment (ABOS WLA) program. With ABOS WLA, yearly review of Orthopaedic Knowledge Sources and open-book questions are delivered to participating Diplomates’ personal computers.

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Submissions are Open for Kappa Delta and OREF Awards

AAOS is soliciting manuscripts for the 2020 Kappa Delta Orthopaedic Research Awards and the Orthopaedic Research and Education Foundation (OREF) Clinical Research Award. Up to two $20,000 Kappa Delta awards (Elizabeth Winston Lanier Award and Ann Doner Vaughan Award), one $20,000 Kappa Delta Young Investigator award, and one $20,000 OREF award will be bestowed, provided manuscripts of requisite quality are submitted. Manuscripts should represent a large body of cohesive scientific work generally reflecting years of investigation. Manuscripts must be submitted by members (or candidate members) of the AAOS, Orthopaedic Research Society, Canadian Orthopaedic Association, or Canadian Orthopaedic Research Society. Submissions are due no later than 11:59 p.m. C.D.T. on July 1.

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