| [objective] : To discuss the influence of the presence of medial patellar synovial folds on the clinical manifestations of knee osteoarthritis and the prognosis of arthroscopic surgery.[methods] :The clinical data of 380 patients with arthroscopic surgery were collected and divided into groups according to the history of trauma and the presence of synovial plica.Mann Whitney rank sum test and chi square test were used to compare the data differences between the groups.One way ANOVA was used to compare the data differences between the intraoperative and postoperative groups.The correlation between each factor and the degree of cartilage injury was analyzed by ordered multiple logistic regression.[results]: The duration from symptom to operation was significantly shortened in patients with synovial plica osteoarthritis.There were differences in gender ratio,body mass index,length of conservative treatment,range of motion of knee joint and detection rate of free body among the groups.The Outerbridge score of knee joint in trauma group and non trauma group was positively correlated with age,BMI,course length and free body.The score of trauma group was positively correlated with conservative treatment length,range of motion of knee joint and synovial plica.The score of non trauma group was negatively correlated with male.There was no significant difference in Lysholm score and incidence of poor prognosis between the groups before and one year after operation.There was no significant difference in operation time,postoperative VAS score and hospital stay among the four groups.[conclusion] : The existence of medial patellar synovial plica can significantly shorten the time from symptom to surgical treatment,but it does not significantly affect the short-term prognosis of arthroscopic surgery.Synovial plica may aggravate injury related articular cartilage injury. |