Correlation of imaging indexes of patellar axial disorder with pain of knee osteoarthritis

doi:10.3969/j.issn.2095-4344.1012

Abstract

Abstract:

BACKGROUND: Pain caused by knee osteoarthritis is reflected in imaging. Change of radiographic parameters of the tibial axis slice can provide a reasonable assessment for the clinical pain symptoms of knee osteoarthritis.

OBJECTIVE: To analyze the correlation between the change of the imaging indexes of patellar axial radiograph and pain area in the knee osteoarthritis, thus providing reference for the diagnosis and treatment of knee osteoarthritis.

METHODS:Available samples were collected from the First Affiliated Hospital of Guangzhou University of Chinese Medicine between September 2014 and September 2016, where totally 80 knee osteoarthritis patients were selected as pain group and 30 healthy volunteers were selected as control group. All the participants took patellar axial radiograph with knee at 30° through PACS imaging systems to collect five imaging indexes, including patella exponent, femur trochlea angle, congruence angle, lateral patellofemoral angle and tilt angle. Knee osteoarthritis patients in the pain group were divided into four common clinical pain areas which were anterior, posterior, medial and lateral area.

RESULTS AND CONCLUSION: (1) The patellofemoral pain index, congruence angle, and lateral patellofemoral angle in the pain group were significantly larger than those in the control group (P < 0.05). In the patellofemoral angle, patellofemoral subluxation and femoral trochlear angle parameters, there was no significant difference between two groups (P > 0.05). (2) Two logistic regression analysis showed that there was a correlation between knee osteoarthritis pain and lateral patellofemoral angle (P=0.01). (3) From one way-ANOVA LSD statistical analysis, the patellofemoral angle in patellofemoral anterior and posterior areas had significant difference (P=0.038), and there were no differences in the other imaging parameters between pain areas (P > 0.05). (4) In summary, compared with the health volunteers, in the patients with pain caused by knee osteoarthritis, patellofemoral joint disorder and patella angle affects the pain of anterior and posterior areas, which has a connection with the saphenous nerve, the branches of the sciatic nerve and peroneal nerve branch of conduction.

中国组织工程研究杂志出版内容重点：人工关节；骨植入物；脊柱；骨折；内固定；数字化骨科；组织工程

Key words: Patella, Osteoarthritis, Knee, Pain, Tissue Engineering

CLC Number:

R445

Liu Shengfei, Jiang Yanjun, Cen Zhuohao, Ling Min, Zhang Tian, Chen Yuexuan, Zhou Chi. Correlation of imaging indexes of patellar axial disorder with pain of knee osteoarthritis[J]. Chinese Journal of Tissue Engineering Research, 2018, 22(35): 5655-5660.

Figures/Tables 4

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