Does robotic surgical assistant (ROSA) functionally aligned TKA lead to higher satisfaction than conventional mechanically aligned TKA: A propensity-matched pair analysis.

Objectives: Total knee arthroplasty (TKA) is the established treatment for severe knee osteoarthritis, with robotic-assisted TKA (rTKA) proposed to enhance surgical precision and potentially improve outcomes. This study investigates whether functionally-aligned rTKA using the ROSA Knee System results in superior functional outcomes and patient satisfaction compared to conventional mechanically aligned TKA (mTKA).

Methods: We conducted a retrospective, propensity-score matched cohort study including 154 patients (46 rTKA, 108 mTKA) who underwent primary TKA by a single surgeon from October 2020 to October 2023.

Outcomes of total knee replacement versus unicompartmental knee arthroplasty in an enhanced recovery after surgery protocol.

Introduction: Unicompartmental Knee Arthroplasty (UKA) has become popular due to faster recovery and improved range of motion. However, concerns have been made regarding increased risk of early failure. Furthermore, the use of Enhanced Recovery After Surgery (ERAS) protocols have shown to allow faster return to activities, improved satisfaction, and reduced complication rates.

Successful 24-hour discharge for total knee arthroplasty: importance of timing of surgery and physiotherapy in enhanced recovery after surgery protocol.

Introduction: The current literature is mixed on which patient factors, if any, predict the rate of successful discharge within 24 h of enhanced recovery after surgery (ERAS) total knee arthroplasty (TKA). This study aimed to investigate the influence of timing of surgery and physiotherapy on the rate of successful 24-h discharge.

Methods: All 342 patients who underwent ERAS day surgery TKA from August 2020 to July 2021 were followed up prospectively.

Enhanced recovery after surgery day surgery for MAKO® robotic-arm assisted TKA; better outcome for patients, improved efficiency for hospitals.

Introduction: Robotic-assisted Total Knee Arthroplasty (TKA) was designed to improve implant position accuracy by providing surgeons with real-time intra-operative data to tailor the operation to the patient. Proponents of robotic-assisted TKA believe that this translates into meaningful improvements in outcomes. However, there are concerns that the longer surgical duration associated with robotic-assisted TKA leads to longer length of stay (LOS).

Postponement of total knee arthroplasties due to pandemic causes significant deterioration on patients' preoperative knee and quality of life scores.

Introduction: Elective surgeries were postponed during the COVID-19 pandemic to alleviate healthcare strains, affecting majority of elective orthopaedic surgeries such as total knee arthroplasties (TKAs). The aim of this study is to evaluate the impact on knee function and quality of life of patients who had their planned TKA postponed due to the pandemic.

Methods: This is a retrospective analysis of data collected in a tertiary hospital.

Unicompartmental knee arthroplasty in obese patients, poorer survivorship at 15 years.

Introduction: The preclusion of obese patients from unicompartmental knee arthroplasty (UKA) has increasingly been challenged. This study aimed to evaluate the impact of Body Mass Index (BMI) on UKA at 15-year follow-up.

Materials And Methods: 169 unilateral UKA patients from 2003 to 2007 were followed-up prospectively for at least 15 years.

Severe genu varus deformity does not affect enhanced recovery after surgery total knee arthroplasty outcomes.

Introduction: Enhanced recovery after surgery (ERAS) has been increasingly adopted in orthopaedic surgery. Although not an exclusion criterion, patients undergoing total knee arthroplasty (TKA) with preoperative severe varus deformity may be less likely to be enrolled for ERAS. This study aimed to compare the success of ERAS TKA between patients with severe preoperative varus deformities (≥ 15° varus) and the control group (< 15° varus to 14° valgus).

Functional outcome of direct anterior versus posterior approach in total hip arthroplasty: a propensity-matched Asian study.

Introduction: The direct anterior approach (DAA) to total hip arthroplasty (THA) is a surgical approach that minimises soft tissue trauma, resulting in faster rehabilitation when compared to a posterior approach (PA). This study aimed to evaluate the difference between the two groups in an Asian cohort using propensity score matching.

Methods: A retrospective review of prospectively collected registry data of 794 primary THAs was performed.

Enhanced recovery after day surgery total knee arthroplasty, the new standard of care: An Asian perspective.

Background: This study describes the implementation of Enhanced Recovery After Surgery (ERAS) total knee arthroplasty (TKA) with day-surgery protocol to assess the outcome of ERAS day surgery TKA compared with traditional ERAS inpatient TKA in terms of length of stay (LOS), 30-day readmission, complications, and patient-reported outcome measures (PROMs).

Methods: Patients who underwent unilateral primary TKA from August 2020 to July 2021 were followed up. All TKAs were performed with the ERAS protocol.

Novel morphogenic knee implant delivers comparable mid-term outcomes as compared to conventional non-morphogenic implants.

Introduction: Conventional total knee arthroplasty (C-TKA) implants have well-established mid- and long-term outcomes. The novel TKA (N-TKA) implants provide morphogenic implant components with smaller size increments to facilitate anatomical replication. The aim of the study is to evaluate if these advantages provides better clinical outcomes.

Telescoping Allograft Prosthetic Composite (APC) Reconstruction of the Femur Following Revision Arthroplasty for Neglected Developmental Dysplasia of the Hip (DDH).

Although uncommon, neglected developmental dysplasia of the hip (DDH) poses a technically demanding problem for treating surgeons. Due to the congenital malformation of the native hip joint and distortion of the surrounding soft tissue, addressing limb-length discrepancy is intricate. Despite detailed planning and meticulous soft tissue handling, complications can be difficult to avoid in these patients even under experienced hands.

Long-Term Outcomes of Articular Surface Replacement (ASR) Implant in Hip Arthroplasty: A Single Institution Review.

Various metal-on-metal (MoM) total hip replacements (THRs) have been found to have high short-term failure rates due to adverse responses to metal debris (ARMD). As a consequence, several low-performing THRs have been removed off the market. The purpose of this research was to look at the at least five-year outcomes of patients who had MoM hip arthroplasty at our institution.

Cost-Effectiveness of Robot-Assisted Total Knee Arthroplasty: A Markov Decision Analysis.

Background: Robot-assisted total knee arthroplasty (rTKA) may improve clinical outcomes for patients who have end-stage osteoarthritis of the knee. However, the costs of rTKA are high, and there is a paucity of data evaluating the cost-effectiveness of rTKA. We aimed to analyze the cost per quality-adjusted life-year (QALY) of rTKA relative to manual TKA.

Clinical Frailty Scale is a better predictor for adverse post-operative complications and functional outcomes than Modified Frailty Index and Charlson Comorbidity Index after total knee arthroplasty.

Purpose: Studies have demonstrated correlations between frailty and comorbidity scores with adverse outcomes in total knee replacement (TKR). However, there is a lack of consensus on the most suitable pre-operative assessment tool. This study aims to compare Clinical Frailty Scale (CFS), Modified Frailty Index (MFI), and Charlson Comorbidity Index (CCI) in predicting adverse post-operative complications and functional outcomes following a unilateral TKR.

The effect of topical tranexamic acid on functional outcomes and quality of life in patients undergoing unicompartmental knee arthroplasty.

Introduction: Tranexamic acid (TXA) is being increasingly utilized to reduce blood loss after knee joint arthroplasty. However, there is a lack of studies on the effect of topical TXA on the functional outcomes and quality of life after Unicompartmental Knee Arthroplasty (UKA). The aim of this study was to determine the effect of topical TXA on functional outcomes and quality of life scores in patients undergoing UKA.

Preoperative mental distress is associated with poorer physical improvements after revision total hip arthroplasty.

Aims: Despite the increasing prevalence of mental health disorders in revision arthroplasty patients, the impact of preoperative mental distress on functional outcomes after revision total hip arthroplasty (rTHA) remains unclear. Our study aims to investigate the impact of preoperative mental distress on functional outcomes after rTHA.

Methods: Prospectively collected data of 84 rTHAs was extracted from a single institution's joint replacement registry.

Development and internal validation of machine learning algorithms to predict patient satisfaction after total hip arthroplasty.

Background: Patient satisfaction is a unique and important measure of success after total hip arthroplasty (THA). Our study aimed to evaluate the use of machine learning (ML) algorithms to predict patient satisfaction after THA.

Methods: Prospectively collected data of 1508 primary THAs performed between 2006 and 2018 were extracted from our joint replacement registry and split into training (80%) and test (20%) sets.

Revision total hip arthroplasty is associated with poorer clinically meaningful improvements and patient satisfaction compared to primary total hip arthroplasty.

Purpose: This study aims to compare PROM improvements and satisfaction rates between revision (rTHA) and primary total hip arthroplasty (pTHA).

Methods: 84 rTHAs were propensity-score matched to 168 pTHAs using patient demographics and preoperative PROMs. Multiple regression was used to evaluate differences in PROMs, minimal clinically important difference (MCID) attainment and patient satisfaction.

Improving Acetabular Component Positioning in Supine Direct Anterior Total Hip Arthroplasty with a Transparency Template: A Novel, Simple, and Cost-effective Technique.

Purpose: A novel and simple method to ensure accurate acetabular component anteversion and inclination intraoperatively with the use of a transparency template is described.

Materials And Methods: Patients who underwent total hip arthroplasty (THA) via direct anterior approach (DAA) from June 2019 to January 2020 were included. A transparency template that can be placed over the image intensifier monitor to allow surgeons an accurate reading of the acetabular component position intraoperatively was designed, developed and utilized to determine effectiveness.

Robotic-Arm Assisted Direct Anterior Total Hip Arthroplasty; Improving Implant Accuracy.

Introduction: The aim of this study was to investigate the accuracy of implant position of robotic-arm assisted total hip arthroplasty (THA) via the direct anterior approach (DAA).

Materials And Methods: All patients who underwent robotic-arm assisted DAA THA (MAKO Surgical Corp., Ft.