Michael B. Cross
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View article: Posterior-stabilized versus mid-level constraint polyethylene components in total knee arthroplasty
Posterior-stabilized versus mid-level constraint polyethylene components in total knee arthroplasty Open
Aims Mid-level constraint designs for total knee arthroplasty (TKA) are intended to reduce coronal plane laxity. Our aims were to compare kinematics and ligament forces of the Zimmer Biomet Persona posterior-stabilized (PS) and mid-level d…
View article: The Complex Process of Using the Interconnected Knee Arthroplasty Device Clearance Pathway
The Complex Process of Using the Interconnected Knee Arthroplasty Device Clearance Pathway Open
Background: The clearance of medical devices by the US Food and Drug Administration (FDA) has remained largely unchanged since 1976, when the Medical Device Amendments Act established a system classifying devices into 3 categories based on…
View article: Anatomy Education In US Medical Schools: Before, During, and Beyond COVID-19
Anatomy Education In US Medical Schools: Before, During, and Beyond COVID-19 Open
Background: Anatomy education in US medical schools has seen numerous changes since the call for medical education reform in 2010. The purpose of this study was to survey US medical schools to assess recent trends in anatomy education, the…
View article: Stability testing of the Pfizer-BioNTech BNT162b2 COVID-19 vaccine: a translational study in UK vaccination centres
Stability testing of the Pfizer-BioNTech BNT162b2 COVID-19 vaccine: a translational study in UK vaccination centres Open
These results reiterate the importance of adhering to the manufacturer's instructions on handling, especially with regard to shaking and exposing the vaccine to excessive vibration.
View article: Unicompartmental Knee Arthroplasty Is Associated With a Lower Rate of Periprosthetic Joint Infection Compared to Total Knee Arthroplasty
Unicompartmental Knee Arthroplasty Is Associated With a Lower Rate of Periprosthetic Joint Infection Compared to Total Knee Arthroplasty Open
In a large group of rigorously matched patients, UKA was associated with a significantly lower rate of surgically managed PJI than TKA at 90 days and 1 year; however, the rate of PJI in both groups remained low at <1% at 90 days and 1 year.
View article: The Utility of MRI With Multiacquisition Variable-Resonance Image Combination (MAVRIC) in Diagnosing Deep Total Hip Arthroplasty Infection
The Utility of MRI With Multiacquisition Variable-Resonance Image Combination (MAVRIC) in Diagnosing Deep Total Hip Arthroplasty Infection Open
Background: The 2010 American Academy of Orthopaedic Surgeons Clinical Practice Guidelines report insufficient evidence to address the diagnostic efficacy of magnetic resonance imaging (MRI) for periprosthetic joint infection (PJI). Questi…
View article: Simulation of preoperative flexion contracture in a computational model of total knee arthroplasty: Development and evaluation
Simulation of preoperative flexion contracture in a computational model of total knee arthroplasty: Development and evaluation Open
Preoperative flexion contracture is a risk factor for patient dissatisfaction following primary total knee arthroplasty (TKA). Previous studies utilizing surgical navigation technology and cadaveric models attempted to identify operative t…
View article: The Effectiveness of Closed-Incision Negative-Pressure Therapy Versus Silver-Impregnated Dressings in Mitigating Surgical Site Complications in High-Risk Patients After Revision Knee Arthroplasty: The PROMISES Randomized Controlled Trial
The Effectiveness of Closed-Incision Negative-Pressure Therapy Versus Silver-Impregnated Dressings in Mitigating Surgical Site Complications in High-Risk Patients After Revision Knee Arthroplasty: The PROMISES Randomized Controlled Trial Open
ciNPT is effective in reducing the 90-day postoperative SSCs, readmission, and number of dressing changes after rTKA. Recommending routine implementation would require true-cost analyses.
View article: Correction to: At the US Epicenter of the COVID-19 Pandemic, an Orthopedic Residency Program Reorganizes
Correction to: At the US Epicenter of the COVID-19 Pandemic, an Orthopedic Residency Program Reorganizes Open
The published article contained four sentences with incorrect reference citations. Here, those sentences and the reference list are corrected.
View article: 4291 Quantifying the art of surgical decision-making in total knee arthroplasty
4291 Quantifying the art of surgical decision-making in total knee arthroplasty Open
OBJECTIVES/GOALS: To quantify clinical exam in total knee arthroplasty by answering the following questions: (1) What are the magnitudes of forces applied by surgeons during the varus-valgus exam? (2) Is the choice of tibial insert thickne…
View article: A geometric ratio to predict the flexion gap in total knee arthroplasty
A geometric ratio to predict the flexion gap in total knee arthroplasty Open
Measured resection is a common technique for obtaining symmetric flexion and extension gaps in posterior‐stabilized (PS) total knee arthroplasty (TKA). A known limitation of measured resection, however, is its reliance on osseous landmarks…
View article: Adjuvant antibiotic‐loaded bone cement: Concerns with current use and research to make it work
Adjuvant antibiotic‐loaded bone cement: Concerns with current use and research to make it work Open
Antibiotic‐loaded bone cement (ALBC) is broadly used to treat orthopaedic infections based on the rationale that high‐dose local delivery is essential to eradicate biofilm‐associated bacteria. However, ALBC formulations are empirically bas…
View article: Long-term performance of oxidized zirconium on conventional and highly cross-linked polyethylene in total hip arthroplasty
Long-term performance of oxidized zirconium on conventional and highly cross-linked polyethylene in total hip arthroplasty Open
Introduction : Polyethylene wear and subsequent osteolysis remain obstacles to the long-term survivorship of total hip arthroplasty (THA). Highly cross-linked polyethylene (XLPE) with radical quenching represents a massive leap forward wit…
View article: Patient Satisfaction after Total Knee Replacement: A Systematic Review
Patient Satisfaction after Total Knee Replacement: A Systematic Review Open
Background: The quality and state of satisfaction reporting after total knee replacement (TKR) is variable. Questions/Purposes: The purposes of this systematic review were (1) to examine the available literature on patient satisfaction aft…
View article: Does Change in ESR and CRP Guide the Timing of Two-stage Arthroplasty Reimplantation?
Does Change in ESR and CRP Guide the Timing of Two-stage Arthroplasty Reimplantation? Open
Background Two-stage reimplantation arthroplasty is a commonly used approach for treating chronic periprosthetic joint infections. A prereimplantation threshold value of erythrocyte sedimentation rate (ESR) and C-reactive protein (CRP) to …
View article: Online Patient Ratings Are Not Correlated with Total Knee Replacement Surgeon–Specific Outcomes
Online Patient Ratings Are Not Correlated with Total Knee Replacement Surgeon–Specific Outcomes Open
Background Despite potential concerns regarding their validity, physician-rating websites continue to grow in number and utilization and feature prominently on major search engines, potentially affecting patient decision-making regarding p…
View article: Femoral Component External Rotation Affects Knee Biomechanics: A Computational Model of Posterior-stabilized TKA
Femoral Component External Rotation Affects Knee Biomechanics: A Computational Model of Posterior-stabilized TKA Open
Background The correct amount of external rotation of the femoral component during TKA is controversial because the resulting changes in biomechanical knee function associated with varying degrees of femoral component rotation are not well…
View article: Fixed‐bearing medial unicompartmental knee arthroplasty restores neither the medial pivoting behavior nor the ligament forces of the intact knee in passive flexion
Fixed‐bearing medial unicompartmental knee arthroplasty restores neither the medial pivoting behavior nor the ligament forces of the intact knee in passive flexion Open
Medial unicompartmental knee arthroplasty (UKA) is an accepted treatment for isolated medial osteoarthritis. However, using an improper thickness for the tibial component may contribute to early failure of the prosthesis or disease progres…
View article: Component Placement Accuracy in Unicompartmental Knee Arthroplasty is Improved with Robotic-Assisted Surgery: Will it Have an Effect on Outcomes?
Component Placement Accuracy in Unicompartmental Knee Arthroplasty is Improved with Robotic-Assisted Surgery: Will it Have an Effect on Outcomes? Open
Bell et al.'s “Improved Accuracy of Component Positioning with Robotic-Assisted Unicompartmental Knee Arthroplasty: Data from a Prospective, Randomized Controlled Study” compared the accuracy of a robotic-assisted unicompartmental knee art…
View article: Total Knee Arthroplasty for Knee Osteoarthritis: Support for a Foregone Conclusion?
Total Knee Arthroplasty for Knee Osteoarthritis: Support for a Foregone Conclusion? Open
Total knee arthroplasty (TKA) is generally accepted as the definitive treatment for advanced knee arthritis after patients fail nonoperative treatments; however, the safety and efficacy of TKA compared to continued nonoperative treatment h…