Today’s Top Story

Study Finds RSA with Contemporary Implants Yields Low Reoperation Rates

Patients who underwent primary reverse shoulder arthroplasty (RSA) with contemporary implants had low reoperation rates, according to a retrospective review published online in the Journal of Shoulder and Elbow Surgery. Between 2009 and 2015, 1,649 consecutive primary RSAs were performed at a single institution by five shoulder surgeons; 39 reoperations (2.37 percent) were performed. Only 0.55 percent of patients with infection or instability required reoperation. Most reoperations pertained to the humeral component (1.03 percent), and most of these complications were associated with a specific design flaw in one of the implant systems. Proximal humeral fracture sequelae RSAs had increased reoperation rates due to instability or humeral component-related issues. Glenoid complications accounted for 0.36 percent of all primary RSA reoperations.

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Other News

Study: Prevalence of Acute Kidney Injury After Femoral Neck Surgery

A retrospective study published online in BMC Musculoskeletal Disorders found that femur neck fracture patients could have an increased risk for acute kidney injury (AKI) following operative treatment. Between January 2011 and January 2015, 248 patients underwent surgery for femoral neck fracture. The Kidney Disease: Improving Global Outcomes guidelines were used to determine AKI. A total of 44 patients (17.7 percent) sustained AKI; risk factors included diabetes mellitus, preexisting renal disease, preoperative blood urea nitrogen, preoperative estimated glomerular filtration rate, preoperative hemoglobin level, type of operation, postoperative creatinine level, and intraoperative hypotension. When controlling for confounders, the only independent risk factor was intraoperative hypotension.

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Study Evaluates Screw Track Osteolysis Risk in Cementless TKA Screw Fixation

According to a study published in the May issue of The Journal of Arthroplasty, titanium wear could contribute to screw track osteolysis in cementless total knee arthroplasty (TKA). Researchers conducted radiological analysis to evaluate screw track osteolysis and various screw angles on 100 revised cementless TKAs with tibial screw fixation. They found that screw track osteolysis was primarily at the medial aspect of the tibial component, and osteolysis severity was associated with smaller medial proximal tibial screw angles. There was a correlation between osteolysis and high titanium concentrations.

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Study Evaluates Power of Majeed Pelvic Score in Older Patients

The Majeed Pelvic Score (MPS) could be a good indicator of health problems in older patients, according to a study published in the May issue of the Journal of Orthopaedic Trauma. A total of 195 pelvic ring disruption patients were included and followed for a mean of 29 months. Researchers also included a control group of 554 adults. Patients were stratified by age: < 65 years and ≥ 65 years. The < 65 years group had a lower MPS score compared to the control group (81.6 versus 88.3), as did the ≥ 65 years group (68.1 versus 72.0, respectively). Compared to the control group, the < 65 years group had worse scores for sexual function, work, and standing dimensions. The ≥ 65 years group had poorer dimensions sitting and standing scores and a better dimension pain score.

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Drug Company Founder Convicted in Opioid Scheme

John Kapoor, founder of Insys Therapeutics Inc., was found guilty of racketeering conspiracy for leading a scheme in which doctors were bribed to prescribe opioids and insurers were wrongly convinced to pay for the drug. The doctors were convinced to promote the company’s fentanyl spray, Subsys, at phony events around the country. Several former company managers and executives were also convicted.

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Read the AAOS Pain Relief Toolkit…


How Does Advocacy Benefit AAOS Members?

Advocacy is essential for orthopaedic surgeons in order to promote relevant diagnostic and treatment procedures, advance reasonable reimbursement policies, and protect against unfair regulatory requirements. AAOS is actively engaged in promoting and protecting the profession for members; the Academy commits significant resources to serve as the voice of the profession and represent the interests and concerns of orthopaedic surgeons with regulatory agencies, payers, and the public.

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Take Part in CPG Workgroup

AAOS is seeking volunteers to take part in a workgroup for the development of clinical practice guidelines (CPGs) and appropriate use criteria. Currently, there are two open spots to join the following project: Perioperative Pain Management.

Learn more and submit your application…


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