急慢性膝骨关节炎的红外热像图特征及与VAS评分的相关性研究

Study on Infrared Thermal Imaging Features of Acute and Chronic Knee Osteoarthritis and Its Correlation with VAS Score

目的:探讨膝骨关节炎患者急性期和慢性期红外热像图特征以及与VAS评分的相关性,建立膝骨关节炎急慢性期红外热像诊断方法以及疼痛评估。方法:通过选取36例KOA急性患膝、32例KOA慢性患膝以及40例正常膝关节,采用红外热像仪测量膝关节4个区域温度,以视觉模拟量表测量膝关节炎患者VAS评分。结果:膝骨关节炎急性期组、慢性期组膝关节红外热像温度明显高于正常组膝关节(P<0.05),其中急性期组膝关节区域温度高于慢性期组(P<0.05);急性期组VAS评分高于慢性期组(P<0.05),膝关节炎患者膝关节区域平均温度与VAS评分呈正相关(P<0.05)。结论:红外热像可有效地诊断膝骨关节炎急慢性并对疼痛评分进行客观化评估,为研究疾病的发生机制及其精确诊断提供更有价值的参考。

Objective：To investigate infrared thermal imaging features of acute and chronic knee osteoarthritis and its correlation with VAS score,and to establish an infrared thermal imaging diagnostic method for acute and chronic knee osteoarthritis and pain assessment method.Methods：Through the selection of 36 acute cases suffering from KOA,32 cases of chronic KOA and 40 cases of normal knee joint,the infrared thermal imaging system was used to measure the temperature of the 4regions of the knee joint.The VAS score of knee arthritis patients was measured by visual analog scale.Results：The infrared temperature of acute KOA group and chronic KOA group was significantly higher than that in the normal group（P〈0.05）.The infrared temperature of acute KOA group is higher than that of chronic group（P〈0.05）.The VAS score in the acute KOA group was higher than that in the chronic KOA group（P〈0.05）,and the average temperature of the KOA joint was positively correlated with the VAS score（P〈0.05）.Conclusion：The infrared thermograph can effectively diagnose the acute and chronic knee osteoarthritis,and objectively evaluate the pain score,so as to provide a more valuable reference for the study of the pathogenesis of the disease and its accurate diagnosis.