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| Today’s Top Story
RCT Finds Pulsed Low-Intensity Ultrasonography Does Not Improve Symptoms of Knee OA
A randomized controlled trial (RCT) published online in JAMA Network Open reported that 48 weeks of pulsed low-intensity ultrasonography (PLIUS) did not reduce symptoms of knee osteoarthritis (OA) compared with placebo. In total, 132 participants recruited through the U.S Department of Veterans Affairs were randomized to self-administration of either PLIUS or a sham device. Treatment with PLIUS did not lead to significant differences in symptom improvement or central medial femoral condyle cartilage thickness compared with placebo. PLIUS treatment also failed to meet the predetermined clinical benefit threshold for either variable.
Read the study… |
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| In Other News
Study Investigates THA Outcomes Between Medicaid, Medicare, and Dual Eligible Patients
A retrospective study of data from a high-volume center, published online in The Journal of Arthroplasty, found significant differences in total hip arthroplasty (THA) outcomes based on insurance and socioeconomic status. In total, 3,329 patients with Medicaid, Medicare, or dual eligibility were analyzed. Dual eligible patients were less likely to be white or married and were more likely to be smokers and have comorbidities. Dual eligible and Medicaid patients had longer length of stay and risk of discharge to subacute rehabilitation than Medicare patients. Dual eligible patients were also more likely than Medicare patients to return to the ED within 90 days.
Read the study… |
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| Study: 88 Percent of Elite Athletes Returned to Play after Multiligament Knee Injury
A retrospective study published online in Knee Surgery, Sports Traumatology, Arthroscopy reported high rates of return to play (RTP) among elite athletes with multiligament knee injuries. Of 136 athletes treated by a single surgeon, 88.2 percent returned to elite-level sport after a mean of 12.8 months. ACL- and posterior cruciate ligament (PCL)-based injuries had similar rates of RTP, though PCL injuries required longer time to RTP. Rates were also similar between bicruciate versus unicruciate injuries and medial- versus lateral-sided injuries. Forty percent required further surgery and 2.9 percent required revision ligament surgery.
Read the abstract… |
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| Systematic Review: Weight-bearing Cone-beam CT to Identify Unstable Syndesmotic Ankle Injury
A systematic review published online in Clinical Orthopaedics and Related Research found that weight-bearing cone-beam CT (CBCT) was able to successfully differentiate between stable and unstable syndesmotic ankle injuries. Eleven studies were analyzed, including 151 ankles with syndesmotic instability and 559 uninjured ankles. There were significant differences in the mean area of the tibiofibular syndesmosis between the injured and uninjured ankles (mean difference, 29.5 mm 2). Weight-bearing CBCT was associated with “excellent” interobserver agreement. Syndesmosis volume decreased with increasing age.
Read the abstract… |
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| Study: Fatty Degeneration Is Associated with Nonunion after PLIF
A retrospective study published online in BMC Musculoskeletal Disorders reported that higher fatty degeneration was strongly associated with bone nonunion after posterior lumbar interbody fusion (PLIF) for lumbar spinal stenosis. The study included 351 patients with radiographic data from one year postoperatively. Fifty patients had nonunion at one year. Multifidus fatty infiltration, lumbosacral fusion, and length of fusion were independent predictors of nonunion. Greater multifidus and erector spinae fatty infiltration were associated with nonunion in patients with one- or two-level fusion and patients with lumbosacral fusion.
Read the study… |
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| AAOS Now
Partnerships Were Key to a Successful 2021
In his final message as president of AAOS, Daniel K. Guy, MD, FAAOS, reflects on the collaborations and partnerships that were the cornerstone of his term at the helm, previews upcoming activities from the Academy, and concludes with a message of thanks and optimism for the future. Quoting Henry Ford, Dr. Guy writes, “‘If everyone is moving forward together, then success takes care of itself.’ … Working together makes us stronger and moves orthopaedics forward. Success, I am certain, will take care of itself.”
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| Your AAOS
AAOS 2022 Preview: Reaching New Heights in Chicago
AAOS is ready to welcome the orthopaedic community to Chicago next week for the AAOS 2022 Annual Meeting. This year’s meeting was designed to deliver a refreshed and reimagined experience. From a OrthoDome, a brand new 4K and 3D video education session, to a special networking reception in the Exhibit Hall, and a President’s Forum on Ethics, Professionalism, and Harassment, the meeting promises to deliver five powerful days of education, innovation, and collaboration.
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