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Purpose of reviewParticipation in alternative payment models has focused efforts to improve outcomes and patient satisfaction while also lowering cost for elective hip and knee replacement. The purpose of this review is to determine if preoperative education classes for elective hip and knee replacement achieve these goals.Recent findingsRecent literature demonstrates that patients who attend education classes prior to surgery have decreased anxiety, better post-operative pain control, more realistic expectations of surgery, and a better understanding of their surgery. As a result, comprehensive clinical pathways incorporating a preoperative education program for elective hip and knee replacement lead to lower hospital length of stay, higher home discharge, lower readmission, and improved cost.SummaryIn summary, we report convincing evidence that preoperative education classes are an essential element to successful participation in alternative payment models such as the Bundle Payment Care Initiative.

Background: In response to the COVID-19 pandemic, hospitals in the United States were recommended to stop performing elective procedures. This stoppage has led to the cancellation of a large number of hip and knee arthroplasties. The effect of this on patients' physical mental and economic health is unknown. Methods: A survey was developed by the AAHKS Research Committee to assess pain, anxiety, physical function, and economic ability of patients to undergo a delayed operation. Six institutions conducted the survey to 360 patients who had to have elective hip and knee arthroplasty cancelled between March and July of 2020. Results: Patients were most anxious about the uncertainty of when their operation could be rescheduled. Although 85% of patients understood and agreed with the public health measures to curb infections, almost 90% of patients plan to reschedule as soon as possible. Age and geographic region of the patients affected their anxiety. Younger patients were more likely to have financial concerns and concerns about job security. Patients in the Northeast were more concerned about catching COVID-19 during a future hospitalization. Conclusions: Patients suffering from the pain of hip and knee arthritis continue to struggle with pain from their end-stage disease. They have anxiety about the COVID-19 pandemic. Few patients feel they will be limited financially and 90% want to have surgery as soon as possible. Age and physical location of the patients affect their causes for anxiety around their future surgery.

Background Many U.S. health systems are grappling with how to safely resume elective surgery amid the COVID-19 pandemic. We used online crowdsourcing to explore public perceptions and concerns toward resuming elective surgery during the pandemic, and to determine factors associated with the preferred timing of surgery after health systems reopen. Methods A 21-question survey was completed by 722 members of the public using Amazon Mechanical Turk. Multivariable logistic regression analysis was performed to determine factors associated with the timing of preferred surgery after health systems reopen. Results Most (61%) participants were concerned with contracting COVID-19 during the surgical process, primarily during check-in and in waiting room areas, as well as through excessive interactions with staff. Overall, 57% would choose to have their surgery at a hospital over an outpatient surgery center. About 1 in 4 (27%) would feel comfortable undergoing elective surgery in the first month of health systems reopening. After multivariable adjustment, native English speaking (OR, 2.6; 95% CI, 1.04-6.4; P = .042), male sex (OR, 1.9; 95% CI, 1.3-2.7; P < .001), and Veterans Affairs insurance (OR, 4.5; 95% CI, 1.1-18.7; P = .036) were independent predictors of preferring earlier surgery. Conclusion Women and non-native English speakers may be more hesitant to undergo elective surgery amid the COVID-19 pandemic. Despite concerns of contagion, more than half of the public favors a hospital setting over an outpatient surgery center for their elective surgery. Concerted efforts to minimize patient congestion and unnecessary face-to-face interactions may prove most effective in reducing public anxiety and concerns over the safety of resuming elective care.

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Data regarding the posterior slope of the tibia (PTS) is limited and sometimes conflicting. The purpose of this study was to determine the native posterior tibial slope in patients undergoing a medial or lateral UKA. A retrospective review was performed on 2,395 CT scans in patients indicated for UKA, and the PTS of the osteoarthritic compartment was measured relative to a plane set perpendicular to the sagittal, tibial mechanical axis. The mean pre-operative PTS in patients undergoing medial UKA was 6.8° ± 3.3°, with 34.3% between 4° to 7°. The mean pre-operative PTS in patients undergoing lateral UKA was 8.0° ± 3.3°, with 27.5% between 4° to 7°. If attempting to recreate a patient's pre-operative tibial slope, a routine target of 5° to 7° will produce a posterior slope less than the patient's native anatomy in 47% of patients undergoing UKA. This is the first, large CT-based review of posterior slope variation of the proximal tibia in patients undergoing UKA.

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