Robotic-Assisted Direct Anterior Approach Total Hip Arthroplasty: A 6.5-Fold Reduction in Fluoroscopic Radiation Exposure.

Introduction: Direct anterior approach (DAA) for total hip arthroplasty (THA) is increasing in popularity. Fluoroscopy is commonly utilized during DAA THA to increase the accuracy of component placement. The objective of this study was to compare the mean fluoroscopy time and radiation dose for DAA THA when utilizing robotic-assistance (RA), computer-assisted navigation (CAN), or manual (M) technique.

Excellent 2-Year Outcomes of a Midlevel Constrained Liner Used in Stemless Primary TKA.

Introduction: Instability after total knee arthroplasty (TKA) remains a leading cause of revision TKA and can lead to patient dissatisfaction. While many companies have developed midlevel constrained (MLC) polyethylene inserts in primary TKAs, there is little data on their outcomes.

Purpose: We sought to analyze short-term outcomes including survivorship, rates of manipulation under anesthesia (MUA), and improvements in patient-reported outcome measures (PROMs) preoperatively to postoperatively in one design of MLC TKA.

Survivorship and Functional Outcomes After Complex Primary Total Knee Arthroplasty With Contemporary Rotating-Hinge Implants.

Initial fixed-bearing hinge designs for primary total knee arthroplasty (TKA) had high rates of aseptic loosening. There are limited data on contemporary rotating-hinge implants. : We sought to determine survivorship and functional outcomes of contemporary rotating-hinge implants used in primary TKA.

Range-of-Motion Predictors for Repeat Manipulation Under Anesthesia and Revision Surgery for Stiffness After Total Knee Arthroplasty.

Introduction: Manipulation under anesthesia (MUA) is a first-line treatment for stiffness after total knee arthroplasty (TKA), but predicting outcomes after MUA can be difficult.

Purpose: We sought to determine the association between pre-MUA range-of-motion (ROM) and the risk of repeat MUA and revision in patients who underwent primary TKA.

Methods: We conducted a retrospective review of 543 MUAs for stiffness at a single institution.