Quadriceps tendon vs hamstring autograft in primary ACL reconstruction - a comparative study with minimum two-year follow-up.

Recently there has been growing interest in the quadriceps tendon (QUAD) as a valid option for reconstruction of the anterior cruciate ligament (ACLR). The aims of the study is to compare the outcomes achieved in anatomic ACLR involving QUAD vs. Hamstring (HT) autografts.

Is elective surgery during the COVID-19 pandemic safe? A multi-center prospective study in a high incidence area.

Objective: The aim of this study was to describe the evolution of patients admitted for elective orthopaedic surgery during the immediate post-COVID-19 peak of the pandemic.

Methods: This is a multi-center, observational study conducted in 8 high complexity hospitals of Catalonia, one of the highest COVID-19 incidence areas in Spain. We included patients ≥18 years of age undergoing elective surgery (total knee or hip arthroplasty, knee or hip revision arthroplasty, shoulder or knee arthroscopy, hand or wrist surgery, forefoot surgery, or hardware removal) after the COVID-19 peak (between May 5th and June 30th, 2020).

Experiences during Switching from Two-Stage to One-Stage Revision Arthroplasty for Chronic Total Knee Arthroplasty Infection.

The objective of this study was to evaluate our preliminary results after changing our surgical strategy from 2-stage revision arthroplasty to 1-stage revision arthroplasty for patients with chronic knee periprosthetic joint infection. We conducted a prospective study of knee arthroplasty patients that had been diagnosed with chronic infection and treated using a 1-stage revision regardless of the traditional criteria applied for indication thereof. We evaluated two main variables: infection control and economic costs.

Ultrasound-guided genicular nerves block: an analgesic alternative to local infiltration analgesia for total knee arthroplasty: A noninferiority, matched cohort study.

Background: Standard analgesic strategies for total knee arthroplasty employ local infiltration analgesia. Blockade and radiofrequency ablation of the genicular nerves are effective treatments for patients with chronic pain because of knee osteoarthritis.

Objective: To test the noninferiority of the analgesic effect of genicular nerves block in comparison with local infiltration analgesia after 24 h of total knee arthroplasty.

GM-CSF Expression and Macrophage Polarization in Joints of Undifferentiated Arthritis Patients Evolving to Rheumatoid Arthritis or Psoriatic Arthritis.

Background And Aims: GM-CSF-dependent macrophage polarization has been demonstrated in rheumatoid arthritis (RA). Our aim was to seek diagnostic/prognostic biomarkers for undifferentiated arthritis (UA) by analyzing GM-CSF expression and source, macrophage polarization and density in joints of patients with UA evolving to RA or PsA compared with established RA or PsA, respectively.

Methods: Synovial tissue (ST) from patients with UA evolving to RA (UA>RA, n=8), PsA (UA>PsA, n=9), persistent UA (UA, n=16), established RA (n=12) and PsA (n=10), and healthy controls (n=6), were analyzed.

Biomechanical comparison of anterolateral ligament anatomical reconstruction with a semi-anatomical lateral extra-articular tenodesis. A cadaveric study.

Background: To compare the biomechanical behavior of an anterolateral ligament (ALL) anatomical reconstruction and a semianatomical lateral extra-articular tenodesis (LET) in the context of an anterior cruciate ligament (ACL) reconstruction combined with an anterolateral lesion.

Methods: Twelve cadaveric knees were studied using a testing machine to assess the internal tibial rotation and anterior tibial translation across six surgical states: intact knee, ACL lesion, ACL + ALL lesion, ACL isolated reconstruction, ACL + ALL anatomical reconstruction and ACL + LET procedure. ALL and LET grafts were fixed at full knee extension and neutral rotation.

Safe drilling angles avoid femoral tunnel complications during combined anterolateral ligament and anterior cruciate ligament reconstruction.

Purpose: To determine the best angle to drill the femoral tunnels of an anterolateral ligament (ALL) anatomic reconstruction combined with a single-bundle anterior cruciate ligament (ACL) reconstruction to avoid tunnel collisions and cortical disruption.

Methods: Ten cadaveric knees were studied. Single-bundle anatomic ACL femoral tunnels were arthroscopically drilled.

Severe and morbid obesity and transfusional risk in total knee arthroplasty: An observational study.

Background: Severe and morbid obesity (Class II -III) represents a challenge for successful knee surgery. There isn't consensus on what influence body mass index has on blood loss and on red blood cell (RBC) transfusion during total knee arthroplasty (TKA). The objective was to determine blood loss and transfusion needs in severe and morbid obese patients undertaking TKA.

Controversies in the Surgical Management of Shoulder Instability: Open Arthroscopic Procedures.

Background: Traumatic anterior instability of the shoulder is a common condition associated with a high recurrence rate in young adults. Operative treatment reduces the risk of recurrence. Several studies have compared arthroscopic and open shoulder instability repair.

Postoperative hyperglycaemia control reduces postoperative complications in patients subject to total knee arthroplasty.

Background: The aim of our study was the early detection and treatment of patients with unknown alterations of the hydrocarbon metabolism subject to total knee arthroplasty in order to reduce the incidence of postoperative complications.

Methods: Patients were classified as non-diabetic patients (group 1), diabetic patients (group 2) and patients with stress hyperglycaemia (group 3). The last two groups were recommended assessment by a primary care physician (PCP).

The effect of percutaneous release of the medial collateral ligament in arthroscopic medial meniscectomy on functional outcome.

Background: Pie crusting (PC) of the medial collateral ligament (MCL) in the knee has been used empirically to achieve more space in the medial compartment during knee arthroscopy. However, there are no reported studies analyzing the functional results of the application of the PC technique to the MCL in patients undergoing arthroscopic meniscectomy of the medial meniscus, and to determine the rate of iatrogenic injury and associated morbidity.

Description Of Technique: The patient was in a supine position with a tourniquet and a side post.

Acute acromioclavicular dislocation: a cheaper, easier and all-arthroscopic system. Is it effective in nowadays economical crisis?

The objective of this manuscript is to show an effective, easier and cheaper way to reduce acute acromioclavicular (AC) dislocation type III and V (Rockwood classification). Numerous procedures have been described for surgical management of acromioclavicular joint disruption. Newest devices involve an arthroscopic technique that allows nonrigid anatomic fixation of the acromioclavicular joint.

Return to recreational sports activity after anterior cruciate ligament reconstruction: a one- to six-year follow-up study.

Introduction: The aim of this study was to evaluate mid-term return to recreational sport in general population and identify factors related with sports return.

Methods: Retrospective evaluation of 99 recreational sports players (Tegner score of 6) with ACL arthroscopic reconstructions with hamstring autograft, between 2006-2011. 74 male and 25 female with middle age of 30 years (14-52).

Severe and morbid obesity (BMI ≥ 35 kg/m(2)) does not increase surgical time and length of hospital stay in total knee arthroplasty surgery.

Purpose: Certain aspects of total knee arthroplasty (TKA) in severely and morbidly obese (SMO) patients (BMI ≥ 35 kg/m(2)) remain controversial. This study aimed to assess the duration of TKA surgery and hospital stay in relation to patients' BMI.

Methods: Three operative times during TKA surgery were recorded: tourniquet time, to determine surgical difficulty, total surgical time, to assess the difficulty of achieving anaesthesia, and time in the surgical area, to assess patient management in the surgical area.

MR-arthrography assessment after repair of chronic meniscal tears.

Purpose: The aims of this study were to assess the healing rate of repair of chronically torn meniscal tear with MR-arthrography and to evaluate the relationship between the clinical and the radiographic outcomes and the impact of the meniscal section on healing.

Methods: MR-arthrography was performed at a median of 10.5 months (range 6-55) after surgery in 28 patients and healing assessed using Henning's criteria.

Factors influencing health-related quality of life after TKA in patients who are obese.

Background: Although the health-related quality of life (HRQL) for patients who are obese seems to improve after TKA, the magnitude of improvement and the associated factors remain controversial. We previously found body mass index was not associated with changes in HRQL after TKA.

Questions/purposes: The purposes of this secondary analysis were to determine which patient characteristics and surgical factors were associated with worse health status after TKA in patients who are severe or morbidly obese.

Good quality of life in severely obese total knee replacement patients: a case-control study.

Background: The impact of obesity on total knee replacement (TKR) outcomes is unclear. Studies use different classifications of obesity and heterogeneous methods, making comparisons difficult. The aim of this study was to evaluate health-related quality of life (HRQL) preoperatively and at 12 months of follow-up in severe and morbidly obese patients with knee osteoarthritis and a control group of nonobese patients undergoing TKR.

[Meniscal harvesting, processing and preservation for allogeneic transplantation].

Introduction: The allogeneic meniscal transplantation (AMT) has received much attention lately for the treatment of young, active patients with painful knees previously subjected to meniscectomy.

Objective: Show the current concepts on AMT as well as the methods for meniscal harvesting, processing and preservation that the Tissue Bank must implement.

Conclusions: Based on the results of the short- and medium-term studies, the AMT has proven to relieve pain and improve function in patients with symptomatic knees and a history of meniscectomy.

Meniscal repair using the FasT-Fix device in patients with chronic meniscal lesions.

The aim of this prospective study was to evaluate meniscal suturing using the FasT-Fix device for chronic meniscal tears. This procedure was carried out on 25 patients between 2006 and 2007. Nineteen patients were male and the median age was 31 (14-47) years.

Role of musculoskeletal disorders as concurrent chronic conditions: are they underestimated in the discharge?

Background: Differences in recording concurrent chronic conditions (CCs) could change the weight of the influence of the different CCs on health status.

Objectives: To determine the role of musculoskeletal disorders as concurrent CCs.

Methods: Cross-sectional study.

Total knee replacement and health-related quality of life: factors influencing long-term outcomes.

Objective: To evaluate health-related quality of life (HRQOL) in patients with osteoarthritis undergoing total knee replacement (TKR); identify the influence of sociodemographic, clinical, intraoperative, and postoperative variables on HRQOL; and determine patient perceptions at 7 years.

Methods: We conducted a prospective study with 7 years of followup. HRQOL measures (Western Ontario and McMaster Universities Osteoarthritis Index [WOMAC] and Short Form 36 [SF-36]); sociodemographic, clinical, intraoperative, inpatient, and postoperative data; patient perceptions of TKR outcomes; and physical activity at 7 years were determined.

Double-bundle versus single-bundle ACL reconstruction using the horizontal femoral position: a prospective, randomized study.

The aim of this study was to evaluate whether anterior cruciate ligament (ACL) reconstruction using the double bundle technique (DB) improves stability in the knee compared with the single bundle technique (SB) with the femoral tunnel in a more horizontal position (2 or 10 o'clock). We conducted a randomized, prospective study. Forty patients were randomized to the DB group (20 patients) and the SB group (20 patients).