Surgical options for chronic patellar tendon rupture in total knee arthroplasty.

Purpose: The purpose of this study was to compare mid-term results of three different reconstructive techniques for chronic patellar tendon disruption after total knee arthroplasty (TKA). Several surgical techniques have been proposed, but to date it is still unclear which is the best solution. The hypothesis was that allografts provide better functional results than autografts in restoring a correct joint function.

Arthroscopic All-Inside Posterior Cruciate Ligament Reconstruction: Overcoming the "Killer Turn".

One of the most challenging arthroscopic surgical procedures is posterior cruciate ligament (PCL) reconstruction. PCL injuries account for 20% of all knee ligament-related injuries. These may be isolated or occur as part of poly-ligament injuries.

Gait Parameters and Functional Outcomes After Total Knee Arthroplasty Using Persona Knee System With Cruciate Retaining and Ultracongruent Knee Inserts.

Background: Total knee arthroplasty is a well-established treatment for managing end-stage symptomatic knee osteoarthritis. Currently, different designs of prostheses are available with majority ensuring similar clinical outcomes. Altered surface geometry is introduced to strive toward gaining superior outcomes.

Wear Patterns in Knee Articular Surfaces in Varus Deformity.

This study was performed to study the relationship between the degree of varus deformity of osteoarthritic knees and the anatomic distribution of cartilage pathology. Bone wafers resected from the distal femur and proximal tibia were obtained from 107 patients (195 knees) with primary varus osteoarthritis. Severity and distribution of joint damage was scored for each articular surface and related to potential prognostic factors, including varus deformity, the ligamentous status of the knee, age, gender and BMI.

Patellar Tendon Reconstruction in Total Knee Arthroplasty: A New Technique.

Patellar tendon disruption is one of the most dreaded complications following total knee arthroplasty (TKA) impacting both implant function and implant longevity. To overcome the concerns regarding allografts and improve outcomes with augmentation techniques, we describe a technique, which we have successfully used over the past 4 years with good results. Seven patients underwent reconstruction for patellar tendon disruption using our technique from a cohort of eight patients.

Revision total knee arthroplasty for septic versus aseptic failure.

Purpose: To compare the medium-term outcome of revision total knee arthroplasty (TKA) for septic versus aseptic failure.

Methods: Records of 142 patients who underwent revision TKA by a single senior surgeon for septic (n=65) or aseptic (n=77) failure were reviewed. In the septic group, 67 knees in 42 women and 23 men were included.

Outcomes of total knee arthroplasty following high tibial osteotomy.

Background: Total knee arthroplasty (TKA) following high tibial osteotomy (HTO) is a technically demanding procedure with varying results. The purpose of our study was to analyze the clinicoradiological results of TKA following HTO and to identify the factors that may influence the final outcome.

Materials And Methods: 55 patients (58 knees) who had undergone a previous HTO were treated with a TKA from 1991 to 2009.

Total knee arthroplasty in extra articular deformities: A series of 36 knees.

Background: The presence of extra articular deformities either in the femur or the tibia with arthritis of the knee makes total knee arthroplasty (TKA) technically demanding. The purpose of this study is to report outcomes with Total Knee Arthroplasty in patients with arthritis of the knee associated with extra articular deformity by intraarticular resection and soft tissue balancing.

Materials And Methods: Thirty six knees (32 patients) who had arthritis of the knee associated with extra articular deformity, underwent total knee arthroplasty between 1999 and 2006 were included in this retrospective analysis.

Midterm results of cruciate retaining total knee arthroplasty in patellectomized patients.

Background: Total knee arthroplasty (TKA) in patellectomized patients gives inferior results when compared with those in which the patella is present. The literature is ambiguous about the role of cruciate retaining or sacrificing implants for these knees. In this study, we assessed the midterm results of TKA in patellectomized knees using a cruciate retaining implant.

Mid-term results of rotating hinge knee prostheses.

Between December 2002 and December 2007, we retrospectively assessed the mid term results of the Nexgen rotating hinge prosthesis in the hands of a single surgeon in difficult primary and complex revision situations. Forty four patients (46 knees) were included in the study: they were followed for an average of 62 months. Knee Society knee score improved from a preoperative mean value of 47 to a mean value of 81 at follow-up (p < 0.

Evaluation of the posterior cruciate ligament in long standing cruciate retaining total knee arthroplasty.

We evaluated the status of the posterior cruciate ligament in 52 knees with a cruciate retaining total knee arthroplasty 11 years after the index surgery. The evaluation consisted of the Knee Society scores, clinical examination of antero-posterior laxity using the Lachmann test and posterior drawer test. We also used the KT 1000 device, stress radiographs and MRI scan to corroborate this.

Long-term results of total knee arthroplasty for valgus knees: soft-tissue release technique and implant selection.

Purpose: To report long-term results of total knee arthroplasty (TKA) for valgus knees.

Methods: 34 women and 19 men aged 39 to 84 (mean, 74) years with valgus knees underwent primary TKA by a senior surgeon. Of the 78 knees, 43, 29, and 6 had type-I, type-II, and type-III valgus deformities, respectively.