Today’s Top Story

Study Compares Outcomes for Revision UKR Versus Primary TKR

Revision unicompartmental knee replacement (UKR) patients and primary total knee replacement (TKR) patients with similar demographics and arthroplasty life may have comparable outcomes, according to a retrospective study published online in The Knee. A total of 45 patients who underwent revision from UKR to TKR between 1999 and 2014 and had a minimum of two-year post-revision follow-up were matched to primary TKR patients. Mean arthroplasty life was similar in the UKR revision group (8.6 years) and primary TKR group (8.4 years). Mean Oxford Knee Score was 31.8 in the UKR revision group and 32.8 in the primary TKR group. A third (n = 15) of revision patients required stemmed components.

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Other News

Study Identifies Opiate Prescribing Habits for Lower Extremity Injuries

A retrospective study published in the March issue of the Journal of Orthopaedic Trauma compared prescribing practices among orthopaedic and nonorthopaedic providers for patients with an isolated lower extremity injury. Researchers assessed data on 341 patients (mean age, 45 years; 56 percent male) with unicondylar, bicondylar, tibial shaft, pilon, and ankle fractures between 2005 and 2016. Just under half (n = 159, 47 percent) of patients were prescribed opiates before their injury. Orthopaedic providers prescribed pilon and bicondylar plateau fracture patients more opiates than patients with unicondylar, tibial shaft, and ankle fractures Nonorthopaedic providers prescribed pilon fracture patients more opiates than unicondylar, bicondylar, tibial shaft, and ankle fracture patients. Morphine milligram equivalents prescribed by orthopaedic versus nonorthopaedic providers differed significantly based on injury type.

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Study Measures Hip Fracture Risk Among Polio Patients

Adults with polio may be at greater risk for hip fracture (HF), according to a population-based cohort study published online in Injury. Using a national database, researchers matched 403 adults (mean age, 47.2 years) with polio to five age- and sex-matched controls. The polio cohort had a higher HF incidence, younger mean age, lower cumulative HF-free probability before the age of 65 years and throughout the study duration, and higher HF risk. Polio patients aged older than 48.2 years had a higher likelihood of HF.

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Study: Prevalence of Psychiatric Illness in Older Fracture Patients

A retrospective cohort study published in the March issue of the Journal of Orthopaedic Trauma assessed the impact of psychiatric illness on complications requiring readmission among older fracture patients. A total of 1,186 patients aged 70 years and older received surgical treatment for a fracture and were followed for at least one month between 2012 and 2017. Of the patients aged 70 years and older, 44 percent had psychiatric comorbidities, of whom 34 percent had more than one diagnosis. Patients with a psychiatric diagnosis were more likely than those without to require readmission (35 percent versus 21 percent). Psychiatric illness was more prevalent among older patients compared to those younger than 70 years (44 percent versus 39 percent). Multivariate regression analysis controlling for age, sex, Charlson Comorbidity Index, dementia, delirium during admission, tobacco use, substance abuse, Injury Severity Score, fracture location, number of procedures, and number of fractures demonstrated an independent association between psychiatric illness and unplanned readmission.

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Study Evaluates Effect of Metabolic Syndrome on 30-day ACDF Outcomes

A retrospective review published in the March 1 issue of Spine found that metabolic syndrome (MetS) may not have a significant impact on 30-day outcomes following elective anterior cervical discectomy and fusions (ACDFs). Researchers queried the 2015–2016 American College of Surgeons-National Surgical Quality Improvement Program database. MetS was defined as having diabetes mellitus, hypertension requiring medication, and a body mass index ≥ 30 kg/m 2. A total of 1,384 cervical fusion patients (8.8 percent) had MetS. In adjusted analysis, patients with MetS had longer lengths of stay, but MetS was not associated with 30-day complications, 30-day reoperations, 30-day readmissions, a nonhome discharge, and death.

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AAOS 2019 Annual Meeting Offers a Variety of Resident-focused Activities

The AAOS Annual Meeting will provide residents the opportunity to interact with expert faculty, experience remarkable technological advances, and take part in tailored activities that will help residents prepare for practice and further their careers. Activities include the Resident Bowl, the Resident Assembly Business Meeting, the all-new Speed Mentoring for Residents, and more.

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Register for the Annual Meeting…


Apply for the Tumor Instructional Course Committee Member Position

The Tumor Instructional Course Committee has two open member positions. Over the course of a two-year term, the members will provide input to the Central Instructional Courses Committee on course curriculum and may suggest faculty. Members will also grade Instructional Course Lecture applications in May. The application deadline is April 22.

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


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