Patients Who Have Kellgren-Lawrence Grade 3 and 4 Osteoarthritis Benefit Equally From Total Knee Arthroplasty.

Background: Recently, some payers have limited access to total knee arthroplasty (TKA) to patients who have Kellgren-Lawrence (KL) grade 4 osteoarthritis only. This study compared the outcomes of patients who have KL grade 3 and 4 osteoarthritis after TKA to determine if this new policy is justified.

Methods: This was a secondary analysis of a series originally established to collect outcomes for a single, cemented implant design.

Pre-Operative Urodynamic Assessment Has Poor Predictive Value for Developing Post-Operative Urinary Retention.

Background: Post-operative urinary retention (POUR) following primary total joint arthroplasty (TJA) has a reported prevalence up to 35%. Risk factors for POUR have included surrogate markers such as the presence or absence of urologic disease. Pre-operative dynamic measurement with post-void residual volumes (PVR) has not been investigated as a tool for assessing POUR risk.