Evaluation of Triathlon - A New Total Knee Prosthesis System - Triathlon PA vs. Triathlon Pressfit
试验速览
- 阶段
- 不适用
- 状态
- 已完成
- 入组人数
- 60
- 试验地点
- 2
- 主要终点
- Roentgen Stereophotogrammetric Analysis (RSA)
研究概览
简要总结
The objective is to investigate the Clinical, Radiographic, Roentgen Stereophotogrammetric behaviour and patient outcome when using the Triathlon total knee prosthesis in a prospective randomized clinical trial.
详细描述
The objective is to investigate the Clinical, Radiographic, Roentgen Stereophotogrammetric behaviour and patient outcome when using the Triathlon total knee prosthesis in a prospective randomized clinical trial.
The evaluation is carried out by a prospective randomised RSA-study with Triathlon PA vs. Triathlon Pressfit
研究设计
- 研究类型
- Interventional
- 分配方式
- Non Randomized
- 干预模型
- Parallel
- 主要目的
- Treatment
- 盲法
- Double (Participant, Outcomes Assessor)
入排标准
- 年龄范围
- 18 Years 至 85 Years（Adult, Older Adult）
- 性别
- All
- 接受健康志愿者
- 否
入选标准
- •Patients suffering exclusively from OA, Stage II-V [Ahlbäck, 1968 391] will be operated.
- •Patients requiring knee prosthesis, suitable for the use of Duracon and Triathlon knee system
- •Patients who understand the conditions of the study and are willing and able to comply with the post-operative scheduled clinical and radiographical evaluations and the prescribed rehabilitation.
- •Patients who signed the Ethics Committee approved Informed Consent Form prior to surgery.
排除标准
- •Previous major knee surgery
- •Other significant disabling problems from the muscular-skeletal system than in the knees
- •Obese patients where obesity is severe enough to affect subject's ability to perform activities of daily living (body mass index, kg/m2: BMI above 35).
- •Patients with active or suspected infection.
- •Patients with malignancy - active malignancy.
- •Patients with severe osteoporosis, Paget's disease, renal osteodystrophy.
- •Patients immunologically suppressed, or receiving steroids in excess of physiologic dose requirements.
- •The patient has a neuromuscular or neurosensory deficit which would limit the ability to assess the performance of the device or the patient has a neurological deficit which interferes with the patient's ability to limit weight bearing or places an extreme load on the implant during the healing period.
- •Female patients planning a pregnancy during the course of the study.
- •Patients with systemic or metabolic disorders leading to progressive bone deterioration.
- •Patients, who as judged by the surgeon, are mentally incompetent or are unlikely to be compliant with the prescribed post-operative routine and follow-up evaluation schedule.
- •Patients with other severe concurrent joint involvements, which can affect their outcome.
- •Patients with other concurrent illnesses, which are likely to affect their outcome such as sickle cell anaemia, systemic lupus erythematosus or renal disease requiring dialysis.
- •Patients under the protection of law (e.g. guardianship).
研究组 & 干预措施
Triathlon PA
Triathlon PA (HA-surface) versus Triathlon Pressfit design: The goal with the un-cemented technique is to reach a full integration between the bone and the prosthesis. During the last years the usage of prosthesis with hydroxyapatite surface within tooth-, mandibular-surgery, hips- and knee-joints, have increased significantly. It has been shown that a thin layer of hydroxyapatite stimulates the anchorage of the implant. The goal with this sub study is to compare the stability of the fixation when using two different types of Triathlon un-cemented prosthesis designs. PA (HA-surface) versus Pressfit.
干预措施: Triathlon PA (Device)
Triathlon Pressfit
Triathlon PA (HA-surface) versus Triathlon Pressfit design: The goal with the un-cemented technique is to reach a full integration between the bone and the prosthesis. During the last years the usage of prosthesis with hydroxyapatite surface within tooth-, mandibular-surgery, hips- and knee-joints, have increased significantly. It has been shown that a thin layer of hydroxyapatite stimulates the anchorage of the implant. The goal with this sub study is to compare the stability of the fixation when using two different types of Triathlon un-cemented prosthesis designs. PA (HA-surface) versus Pressfit.
干预措施: Triathlon Pressfit (Device)
结局指标
主要结局
Roentgen Stereophotogrammetric Analysis (RSA)
时间窗: 10 years follow-up
Assessment of fixation and stability of the Triathlon total knee prosthesis by Roentgen Assessment of fixation and stability of the Triathlon total knee prosthesis by RSA as a predictor of late mechanical loosening.
次要结局
- Investigation of clinical performance and patient outcome with EuroQuol-5 dimension (EQ-5D) patient questionnaire(pre-operative, 3 months, 1, 2, 5, 7 and 10 years)
- Investigation of clinical performance and patient outcome with the Knee Society Score (KSS)(pre-operative, 3 months, 1, 2, 5, 7 and 10 years)
- Investigation of patient outcome with radiographic analysis(3 months, 1, 2, 5, 7 and 10 years)
- Investigation of clinical performance and patient outcome with the Knee Injury and Osteoarthritis Outcome Score (KOOS) patient questionnaire(pre-operative, 3 months, 1, 2, 5, 7 and 10 years)