Evaluation of Knee Radiograph and its Interrelation between Body Mass Index and Range of Motion in Osteoarthritic Knee
Md. Rashid Al Mahmood, Md. Taslim Uddin, Moshiur Rahman Khasru, Mohammad Tariqul Islam, Mubdiur Rahman Mithun- General Medicine
Abstract
Context:
Assessing knee osteoarthritis (OA) radiologically is a well-recognised investigation technique. Range of motion (ROM) measurement gives an idea about the functional status of the joint. Body mass index (BMI) increment is one of the risk factors of worsening knee OA.
Aim:
The aim of this study was to evaluate OA radiologically and to search the status of BMI, ROM and Kellgren–Lawrence (KL) score of osteoarthritic knee patients and find their interrelations.
Settings:
This study was conducted at the department of physical medicine and rehabilitation in a tertiary hospital of Bangladesh.
Designs:
This was a cross-sectional study.
Methodology:
Purposive selection of 66 primary OA knees was done. Compartmental distribution of osteoarthritic knee was determined. Radiographics were determined by KL score system. BMI was calculated conventionally. Maximum flexion, extension and total excursion were measured by a universal goniometer.
Results:
Fifty per cent of participants had tricompartmental OA. Patients with maximum KL score 2 had significantly more total excursion (127.44 ± 2.89) compared to maximum KL score 3 (121.51 ± 3.14) and 4 (110.00 ± 3.58). Subjects with normal BMI had significantly more total excursion (125.00 ± 4.21) compared to overweight (121.03 ± 6.84) and obese patients (122.54 ± 4.31) (
Conclusion:
Different percentages of unicompartmental, bicompartmental and tricompartmental knee OA were found. Osteoarthritic patients with higher BMI had lower ROM and increased KL radiographic scores.