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| Today’s Top Story
High Subsidence Rates Found in THAs Using a Zweymüller-type Noncemented Implant with a Matte Surface
In a retrospective study published online in the Journal of the AAOS: Global Research & Reviews®, Zweymüller-type noncemented stems with matte surfaces resulted in high subsidence rates after primary total hip arthroplasty (THA). Thirty THAs between 2012 and 2014 that used a low-roughness matte surface stem were evaluated over a follow-up of six years. Stem subsidence >5 mm was noted in 56.7 percent of hips at five years. While Zweymüller-type noncemented stems with low-roughness matte surfaces demonstrated higher rates of subsidence, prostheses were subjected to alkali and heat treatments which may have enhanced bone-bonding properties.
Read the study… |
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| In Other News
Low-dose Aspirin Associated with Lower Rates of Periprosthetic Joint Infection after TJA
Published online in The Journal of Arthroplasty, a retrospective cohort study found an association between low-dose acetylsalicylic acid (ASA) for venous thromboembolism and lower rates of periprosthetic joint infections (PJI) after total joint arthroplasty (TJA). A total of 15,825 patients undergoing primary TJA (8,761 received low-dose ASA and 7,064 received a high dose) between 2008 and 2020 were reviewed for PJI, according to Musculoskeletal Infection Society criteria. When comparing cohorts, patients who received high-dose ASA had higher PJI rates than those who received a low dose (0.35 percent versus 0.10 percent).
Read the abstract… |
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| Study: No Significant Difference between Arthroscopic Partial Meniscectomy and Physical Therapy in Treating Traumatic Meniscal Tears
A randomized controlled trial comparing arthroscopic partial meniscectomy versus physical therapy in patients with traumatic meniscal tears was published online in British Journal of Sports Medicine. One hundred patients aged between 18 to 45 years were randomized to arthroscopic partial meniscectomy or standardized physical therapy (49 and 51 patients, respectively). The primary outcomes of the study were the patients’ perception of symptoms, knee functionality, and ability to participate in sports as measured by the International Knee Documentation Committee (IKDC). At two-year follow-up, arthroscopic partial meniscectomy did not produce superior IKDC scores when compared to physical therapy.
Read the study… |
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| Study Finds Differences between the Dominant and Nondominant Legs in Female Soccer Players
In a study published online in The American Journal of Sports Medicine, the knee valgus angle was found to differ in the dominant and nondominant legs of female soccer players. Sixty-four high school and college soccer players performed a single-leg drop vertical jump test utilizing video motion capture with artificial intelligence. Knee flexion angles, knee valgus angles, hip flexion angles, and lower leg anterior inclination angle were measured and calculated from motion capture data and analyzed in three dimensions. Knee valgus angle was greater in the nondominant leg (0.8 ± 5.2 degrees) than the dominant leg (−0.9 ± 4.9 degrees).
Read the abstract… |
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| Study: Radiographic Predictors for Recurrence of Lumbar Symptoms after Cervical Surgery in Patients with Tandem Spinal Stenosis
The European Spine Journal published a retrospective study looking at the radiographic predictors for recurrence of lumbar symptoms after prioritized cervical surgery in patients with tandem spinal stenosis. Based on presence or absence of improvement in lower limb symptoms after surgery, 74 patients were divided into “improved” and “non-improved” groups. Cervical and lumbar parameters were measured by redundant nerve roots, narrow segments, and lumbar stenosis index (LSI). While there were no statistically significant differences in cervical parameters, LSI >10 was associated with recurrence of lumbar symptoms.
Read the abstract… |
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| AAOS Now
Addressing Wellness Early Is Important, But It Is Never Too Late to Start Thinking about Your Mental and Physical Health
“When we talk about burnout, it is an uncomfortable elephant in the room,” James R. Ficke, MD, FAAOS, FACS said during the Instructional Course Lecture titled “Building Blocks on Wellness: Where Do We Start When Our Tasks Have No End?” presented at the AAOS 2022 Annual Meeting. While failure to address physician wellness can lead to adverse patient outcomes, physician failure, and depression, it is being addressed more frequently now than ever. Top-down, organizational approaches to wellness can foster resilience, provide beneficial resources, and normalize the need to use these resources.
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| Your AAOS
OVT Is a Free Benefit of AAOS Membership
Orthopaedic Video Theater (OVT) provides trusted and relevant surgical videos from globally renowned experts across the orthopaedic landscape. You can view expanded content on more channels, including the longstanding OVT Plus collection of 1,200+ peer-reviewed surgical technique videos. OVT offers content from leading institutions and industry, society partners, and on practice management, quality and improvement, and more. Discover more ways to submit your videos with OVT Now, featuring an expedited peer-review process and fast publication online. Plus, earn CME credit, with hundreds CME hours available. Explore relevant content in your areas of work and interest by logging in today.
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