February 2, 2023 | Today’s News

Study: Do Patients Undergoing Orthopaedic Surgery within 90 Days of COVID-19 Have Worse Postoperative Outcomes?

According to a study in the Feb. 1 issue of the Journal of the AAOS ^®, patients who underwent orthopaedic procedures after a recent COVID-19 diagnosis were at an increased risk of complications. Patients undergoing surgery with a diagnosis of COVID-19 from seven to 90 days presurgery were propensity-score matched with patients with no COVID-19 diagnosis zero to 90 days presurgery. The rates of complications, ER visits, and readmissions up to 90 days postoperation were compared. All patients with a recent COVID-19 diagnosis undergoing operations in all subspecialties were more likely to experience venous thromboembolism, pneumonia, and ER visits

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Study Compares Rate of Scapular Notching after RSA with 135- or 145-degree Neck Shaft Angle Stems

A study in the Journal of Shoulder and Elbow Surgery compared 145- and 135-degree neck shaft angle (NSA) stems on scapular notching rate and postoperative range of motion (ROM) in patients undergoing reverse shoulder arthroplasty (RSA). Seventy-three patients with a 145-degree NSA and 30 patients with a 135-degree NSA stem were retrospectively reviewed. Following the minimum two-year follow-up, the rate of scapular notching was 53 percent in patients with a 135-degree NSA stem compared with 30 percent in those patients with a 145-degree NSA stem. There were no significant ROM differences observed between groups.

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In a prognostic study, patients with diabetic charcot neuro-osteoarthropathy (CN) were not at an increased risk of amputation when compared with patients with nondiabetic CN. The study was published in Clinical Orthopaedics and Related Research. The frequency of major amputation and surgical intervention were compared between 159 and 60 patients with diabetic and nondiabetic CN, respectively. The risk of major amputation was slightly higher in the diabetic CN group (8.8 percent versus 6.9 percent). Additionally, the risk of subsequent surgery was similar between the diabetic and nondiabetic CN group (53 percent versus 58 percent).

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Arthroscopy published a systematic review and meta-analysis evaluating the association between posterior tibial slope (PTS) with primary ACL reconstruction (ACLR) failure. A total of 15 studies were included in the analysis. Six studies used radiographic measurements to report medial PTS in 411 ACLR failures versus 2,808 controls. In these studies, patients with ACLR failure had significantly higher medial PTS. Nine studies used MRI to report lateral PTS measurements in 641 patients with a failed ACLR compared to 705 controls. These studies reported that patients with ACLR failure had significantly higher lateral and medial PTS on MRI.

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Patients undergoing adolescent idiopathic scoliosis (AIS) surgery who received hydroxyapatite-charged collagen sponge (HCS) had a lower rate of transfusion compared with those who did not receive any hemostatic agent or bone substitute, according to a study in the European Spine Journal. Perioperative blood loss and transfusion rates were compared between 34 patients receiving HCS and 34 controls. There was no significant difference regarding drainage volume on the first day; however, the reduction was statistically different after three days (1,135 mL versus 930 mL). Following multivariate analysis, researchers established an association between HCS use and a decrease in postoperative blood loss.

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AAOS 2023: ‘What Happens in Vegas, Stays in Vegas’

“What happens in Vegas, stays in Vegas.” The catchy slogan, originated by the Las Vegas Convention and Visitors Authority in 2003, implies that visitors can come to “Sin City,” have a good time, and do things they would not do at home. However, attendees of the upcoming AAOS 2023 Annual Meeting, March 7 to 11, will take their experiences, both educational and social, back home with them. In this article, Stuart Fischer, MD, FAAOS, shares some history and exciting experiences available in this year’s Annual Meeting host city.

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