Smoking is not closely related to revision for periprosthetic joint infection after primary total knee and hip arthroplasty.

Background: The influence of smoking on the risk of periprosthetic joint infection (PJI) remains unclear. The objective was to explore the impact of smoking on PJI after primary total knee (TKA) and hip (THA) arthroplasty.

Hypothesis: Current smoking patients should have an increased risk of PIJ compared with nonsmoking patients.

Functional Outcome Change Over 10 Years After Primary Total Knee Arthroplasty. A Prospective Longitudinal Cohort Study.

Background: To assess any clinically important difference in functional outcome over 10 years after primary total knee arthroplasty (TKA).

Methods: A prospective registry-based observational cohort study including 309 patients older than 60 years who underwent primary TKA. Patients were assessed at 1, 3, 5, 7 and 10 postoperative years with the Knee Society scores (KSS) and Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC).

Patient-Reported Outcomes of Minimally Invasive versus Open Transforaminal Lumbar Interbody Fusion for Degenerative Lumbar Disc Disease: A Prospective Comparative Cohort Study.

Background: Comparative outcomes of minimally invasive transforaminal lumbar interbody fusion (MI-TLIF) and traditional open TLIF (O-TLIF) for degenerative lumbar disc disease have been poorly studied. The purpose of this study was to prospectively compare the outcomes between MI-TLIF and O-TLIF for patients with a degenerative disc disease, focusing on the functional capacity of patients in daily life.

Methods: A prospective cohort study was performed, comparing 54 patients who underwent O-TLIF and 55 patients who underwent MI-TLIF with a follow-up of 4 years.

Sesamoid Position Change Over 2 Years After Distal Chevron Osteotomy for Moderate to Severe Hallux Valgus: A Prospective Cohort Study.

Background: Sesamoid position change after distal chevron osteotomy for moderate to severe hallux valgus is not well known in the literature. The objective of this study was to determine whether the sesamoid position changed over 2 years after distal chevron osteotomy for moderate to severe hallux valgus.

Methods: Ninety-seven patients who underwent distal chevron osteotomy for moderate to severe hallux valgus were prospectively assessed for 2 years.

Change in 1-year mortality after hip fracture surgery over the last decade in a European population.

Objective: There are scarce data on the mortality after hip fracture surgery for patients treated in the most recent years. The objective of this study was to analyze whether the overall initiatives introduced over the last decade for elderly patients with hip fractures had a positive impact on the 1-year mortality.

Methods: Patients treated during 2010-2012 were compared with patients treated during 2018-2020 for all-cause 1-year mortality.

No influence of posterior tibial slope change on outcomes after cruciate-retaining total knee arthroplasty: a prospective cohort study.

Objective: To investigate whether the functional outcomes were affected by the change in posterior tibial slope (PTS) after using a predetermined PTS for primary cruciate-retaining total knee arthroplasty (CR-TKA).

Methods: Prospective cohort study of 152 patients who underwent primary CR-TKA with a standardized PTS of 5º regardless of the native PTS. Patients were classified postoperatively in two ways.

A relevant number of patients do not increase their engagement in physical, social and leisure activities at the medium-term after total knee arthroplasty: a prospective cohort study.

Purpose: The purpose of this study was to investigate the changes in engagement in physical, leisure and social activities in older adults following primary TKA.

Methods: A prospective study of 106 patients with a mean age of 72.6 (SD 7.

Similar outcomes of constrained condylar knee and rotating hinge prosthesis in revision surgery for extension instability after primary total knee arthroplasty.

Background: Instability is one of the most common reasons for total knee arthroplasty (TKA) failure. Constrained prosthesis can be used for significant ligamentous laxity, but there is not much evidence on the appropriate level of restriction for unstable varus-valgus TKA. The objective of this study was to compare the outcome and survival at a minimum follow-up of five years between rotating hinge knee prosthesis (RHK) and constrained condylar knee prosthesis (CCK) for extension instability following primary TKA.

Negative Association of Subclinical Hypothyroidism on Improvement in Patient-Reported Outcomes After Total Knee Arthroplasty.

Background: The purpose of this study is to analyze the potential influence of subclinical hypothyroidism (SCH) on improvement in patient-reported outcome measures following primary total knee arthroplasty.

Methods: A prospective, comparative cohort study between 92 SCH and 90 euthyroid patients was performed. Patients were followed up to 5 postoperative years.

Similar patient-reported outcomes for hybrid and cemented stem fixation for aseptic tibial revision total knee arthroplasty: a comparison of sequential prospective cohorts.

Purpose: The tibial stem fixation in an aseptic revision of total knee arthroplasty is poorly studied and controversial. The objective of this study was to prospectively compare clinical outcomes between hybrid and cemented fixation of the stem in aseptic tibial revision after a minimum follow-up of 5 years.

Methods: Two sequential prospective cohorts of patients who underwent aseptic tibial revision were compared after a minimum follow-up of five years: 31 had both tibial tray and stem cemented (cemented group), and 42 had a hybrid fixation with tibial tray cemented and stem cementless (hybrid group).

Influence of sesamoid position after scarf osteotomy for hallux valgus on patient-reported outcome. A prospective cohor study.

Background: The objective was to evaluate the influence of the postoperative sesamoid position as measured with conventional radiographs on the patient-reported outcome after scarf osteotomy. The hypothesis was that incomplete reduction of the sesamoid would result in a decreased functional outcome.

Methods: Eighty-two patients who underwent scarf osteotomy for hallux valgus were prospectively assessed for up to two postoperative years.

Varus alignment of the tibial component up to seven degrees is not associated with poor long-term outcomes in a neutrally aligned total knee arthroplasty.

Purpose: The purpose of this retrospective study was to evaluate the effect of varus alignment of the tibial component on the outcomes with a minimum follow-up of 10 years. The hypothesis was that varus alignment of the tibial component might not affect the outcomes and survival of a neutrally aligned primary TKA.

Methods: A matched case-control study was designed between 66 patients with varus alignment of the tibial component and 66 with neutral alignment with a minimum follow-up of 10 years.

A validated outcome categorization of the knee society score for total knee arthroplasty.

Purpose: To determine cutoff values for the Knee Society Scores (KSS) indicative of a categorical scale of medium-term outcomes.

Methods: One hundred and fifty-five patients who underwent primary cruciate-retaining TKA with a patellar button for osteoarthritis at a single-centre were assessed prospectively by the KSS and short-form Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC) simultaneously at the 3-year follow-up. A validated categorization of the WOMAC score was used as a standard.

Tibiotalocalcaneal arthrodesis with a retrograde intramedullary nail: a prospective cohort study at a minimum five year follow-up.

Purpose: To evaluate prospectively the functional outcomes of tibiotalocalcaneal (TTC) arthrodesis with a contemporary retrograde intramedullary nail after a minimum follow-up of five years.

Methods: Sixty-one patients with a mean age of 51.3 (range, 18-79) years were included in the study.

V-Y turndown flap augmentation for acute quadriceps rupture after total knee arthroplasty: a prospective matched cohort study.

Purpose: To evaluate the effectiveness of the quadriceps V-Y turndown augmentation for acute quadriceps tendon ruptures in the setting of TKA.

Methods: Prospective cohort of 22 patients with quadriceps rupture after TKA were compared with 44 matched patients underwent TKA without quadriceps rupture. Quadriceps ruptures were treated within three weeks after injury by suture augmented with Scuderi quadriceps V-Y turndown flap.

Similar outcomes and satisfaction after transtibial versus transportal femoral drilling for anterior cruciate ligament reconstruction in young adult recreational athletes.

Purpose: Controversy continues regarding whether the transtibial (TT) and transportal (TP) methods for anterior cruciate ligament (ACL) reconstruction provide similar or different outcomes, and the evidence on patient satisfaction is very limited. The objective of this study was to compare functional outcomes and patient satisfaction in young adult recreational athletes who underwent arthroscopic hamstring ACL reconstruction using either the TT or the TP femoral tunnel drilling method.

Methods: A nonrandomized prospective study was designed to compare the outcomes of arthroscopic hamstring ACL reconstruction using TT or TP method.

First Metatarsophalangeal Arthrodesis After Failed Distal Chevron Osteotomy for Hallux Valgus.

Background: The purpose of this study was to compare the clinical outcomes after first metatarsophalangeal (MTP) joint arthrodesis for hallux rigidus between patients who underwent primary arthrodesis and those who had had a prior surgery for hallux valgus.

Methods: Our design was a retrospective cohort study comparing 29 patients who underwent primary arthrodesis (primary group) and 34 patients with hallux rigidus after hallux valgus surgery (secondary group). The clinical assessment included the American Orthopaedic Foot & Ankle Society (AOFAS) score and a visual analog scale (VAS) for pain.

Prospective comparison of functional outcomes of primary reverse shoulder arthroplasty for acute fractures versus rotator cuff deficiencies.

Aims: The purpose of this study was to determine whether there were long-term differences in outcomes of reverse shoulder arthroplasty (RSA) undertaken for acute proximal humeral fracture versus rotator cuff deficiency with a minimum follow-up of five years.

Methods: This was a prospective cohort study comparing 67 patients with acute complex proximal humeral fracture and 64 patients with irreparable rotator cuff deficiency who underwent primary RSA. In the fracture group, there were 52 (77.

Outcomes of Total Hip Arthroplasty for Healed Intertrochanteric Hip Fractures. A Matched Retrospective Cohort Study.

Background: Many studies have analyzed the outcomes of total hip arthroplasty (THA) after failed intertrochanteric fracture fixation, but not after healed fracture. The objective is to investigate the influence of a prior healed intertrochanteric fracture fixation on the outcomes of a subsequent THA for osteoarthritis.

Methods: This is a matched retrospective cohort study of THA between 43 patients who suffered a prior intertrochanteric fracture successfully managed with internal fixation and 43 patients without prior hip fracture.

Successful mid- to long-term outcome after reconstruction of the extensor apparatus using proximal tibia-patellar tendon composite allograft.

Purpose: The purpose of the study was to assess the outcomes of extensor mechanism reconstruction with proximal tibia-patellar tendon composite allograft.

Methods: 24 consecutive patients treated with allograft-prosthetic composite for proximal tibia tumour resection and a conventional total knee arthroplasty were included. Extensor mechanism reconstruction was performed with a proximal tibia-patellar tendon composite allograft and the suture of the donor tendon to the remnant native patellar tendon.

Better clinical outcomes and overall higher survival with hybrid versus cemented primary total knee arthroplasty: a minimum 15 years follow-up.

Purpose: To compare the clinical outcomes and survival at long-term between hybrid and cemented primary total knee arthroplasty (TKA). A better clinical outcome and survival following a follow-up as long as 15 years with the use of hybrid fixation as compared with cemented fixation was hypothesized.

Methods: Case-control study of 126 patients with a mean age of 62.

Volar plate for intra-articular distal radius fracture. A prospective comparative study between elderly and young patients.

Introduction: Treatment of the distal radius fracture in elderly remains controversial. The objective was to assess the outcomes of volar locking plate for displaced complete intra-articular distal radius fractures in elderly as compared to younger patients.

Hypothesis: The outcomes in elderly patients would be comparable with those in younger patients with a low rate of complications.

Is Pseudo-Patella Baja Really a Serious Complication of Total Knee Arthroplasty?

Background: The available evidence on pseudo-patella baja (PPB) is limited. The purpose of this study is to investigate prospectively the occurrence of PPB after primary total knee arthroplasty and its clinical consequences in a large series of patients with a minimum follow-up of 2 years. PPB was defined as a patella distally displaced in relationship to the femoral trochlea with absence of patellar tendon shortening (Grelsamer RP.

Altered seric levels of albumin, sodium and parathyroid hormone may predict early mortality following hip fracture surgery in elderly.

Purpose: To analyse a wide set of routine laboratory parameters at admission to predict mortality within 30 post-operative days in elderly patients with hip fracture, as well as calculate the critical values of those biomarkers.

Method: Data of 994 patients older than 65 years with hip fracture were analysed of which 89 (8.2%) died within 30 post-operative days.