Is Isokinetic Knee Muscle Strength an Indicator of Total Knee Arthroplasty
试验速览
- 阶段
- 不适用
- 状态
- 已完成
- 发起方
- 入组人数
- 29
- 试验地点
- 1
- 主要终点
- Osteoartritis gradings assessed by Kellgren-Lawrence grading system
研究概览
简要总结
In this study, investigators analyzed whether the isokinetic knee muscle strength of patients undergoing unilateral total knee arthroplasty (TKA) is a predictor for surgery.
Patients and Methods: In total, 29 unilateral TKA candidates (58 knees; mean age = 66.69 ± 7.42 years; mean symptom duration = 10 ± 5.40 years) were enrolled. The knees of patients with bilateral advanced knee osteoarthritis (stage 3 or 4), according to the Kellgren-Lawrence (K-L scale), that were scheduled for unilateral TKA were divided into surgical and non-surgical groups. An isokinetic testing system was used to assess knee flexor and extensor muscle strength (peak torque) at angular velocities of 60°/s and 180°/s (five cycles per velocity). The radiological (X-ray-based K-L scale and magnetic resonance imaging (MRI)-based quadriceps angle) and clinical findings (isokinetic test and visual analog scale pain scores) in both groups were compared. The isokinetic test results correlated with the radiological findings of the surgery group.
研究设计
- 研究类型
- Interventional
- 分配方式
- Randomized
- 干预模型
- Crossover
- 主要目的
- Screening
- 盲法
- Double (Participant, Investigator)
盲法说明
After the surgical decision was made, the patients were referred to the physiatrist by the orthopedist without informing which knee would be operated on. The physiatrist and the patient did not know which knee would be operated, so the tests were performed blindly.
入排标准
- 性别
- All
- 接受健康志愿者
- 否
入选标准
- •Diagnosis of advanced (Kellgren-Lawrence stage 3 or 4) bilateral knee osteoarthritis (OA).
- •Unilateral total knee replacement surgery recommended by orthopedics according to pain status
排除标准
- •Neurological diseases that could affect knee muscle strength
- •Rheumatological diseases
- •Diagnosis of osteoarthritis below 3 according to Kellgren-Lawrence classification
结局指标
主要结局
Osteoartritis gradings assessed by Kellgren-Lawrence grading system
时间窗: cross sectional study, baseline
Kellgren-Lawrence grading system was used. Each radiograph was assigned a grade from 0 to 4, which correlated to increasing severity of OA, with Grade 0 signifying no presence of OA and Grade 4 signifying severe OA
Quadriceps angle
时间窗: cross sectional study, baseline
Q angle of knees were recorded. It is defined as the angle formed between the quadriceps muscles and the patella tendon.The Q angle measured in standing. Normal Q angle score for females is between 13-18° and in males is between 12-15°, with values greater than and lesser these are considered abnormal
Knee flexion and extension muscle strengths assessed by isokinetic dynamometer
时间窗: cross-sectional study, baseline
In the isokinetic evaluation, both 60 PT_E (Peak Torque _Extension) and 60 PT_F (Peak Torque_Flexion) were evaluated.The tests were repeated five times at each velocity, and the highest PTs were selected for statistical analysis. The participants performed repeated trials before sets, while a 20-second rest was provided between sets.
Pain assessed by Visual analog scale
时间窗: cross sectional study, baseline
The visual analog scale (VAS) pain score of each individual was also recordedThe Visual Analogue Scale (VAS) measures pain intensity. The VAS consists of a 10cm line, with two end points representing 0 ('no pain') and 10 ('pain as bad as it could possibly be'). Investigators asked the patient to rate their current level of pain by placing a mark on the line.
次要结局
未报告次要终点
研究者
Ilknur Saral
Ass. Prof.
Bahçeşehir University