Purpose:Lateral patellar compression syndrome(LPCS)is characterized by a persistent abnormally high stress exerted on the lateral articular surface of the patella due to lateral patellar tilt without dislocation and l...Purpose:Lateral patellar compression syndrome(LPCS)is characterized by a persistent abnormally high stress exerted on the lateral articular surface of the patella due to lateral patellar tilt without dislocation and lateral retinaculum contracture,leading to anterior knee pain.The purpose of this study is to evaluate the efficacy and prognosis of lateral retinaculum release(LRR)combined with chondroplasty in the treatment of LPCS.Methods:This retrospective study evaluated 40 patients who underwent LRR combined with chondroplasty for LPCS between 2020 and 2021.The assessment included improvement in postoperative tenderness and knee joint function.Patients were evaluated using the Lysholm,Tegner,and International Knee Documentation Committee 2000 scoring systems,as well as the visual analog scale,both preoperatively and postoperatively,with the paired comparisons analyzed using at-test.Additionally,intraoperative observations were made regarding knee joint lesions,including cartilage damage and osteophyte formation,with analysis by the Chi-square test.Results:The visual analog scale score for tenderness showed a significant decrease after surgery(p<0.001).Evaluation of knee joint function also indicated significant improvements,as demonstrated by increased Lysholm,Tegner,and International Knee Documentation Committee 2000 scores postoperatively(p<0.001,p=0.011,p<0.001,respectively).Furthermore,all LPCS patients included in the study presented with cartilage injuries and osteophyte formation.Significant differences were noted in the incidence of cartilage damage and osteophyte formation at different locations within the knee among patients with LPCS.Conclusion:LRR combined with chondroplasty is an effective surgical approach for treating patients with LPCS,with satisfactory recovery observed at the 1-year follow-up.Additionally,the incidence of cartilage damage and osteophyte formation in LPCS patients varies significantly depending on the specific location within the knee joint.展开更多
Background：Patellofemoral osteoarthritis commonly occurs in older people,often resulting in anterior knee pain and severely reduced quality of life.The aim was to examine the effectiveness of arthroscopic patelloplas...Background：Patellofemoral osteoarthritis commonly occurs in older people,often resulting in anterior knee pain and severely reduced quality of life.The aim was to examine the effectiveness of arthroscopic patelloplasty and circumpatellar denervation for the treatment of patellofemoral osteoarthritis （PFOA）.Methods：A total of 156 PFOA patients （62 males,94 females; ages 45-81 years,mean 66 years） treated in our department between September 2012 and March 2013 were involved in this study.Clinical manifestations included recurrent swelling and pain in the knee joint and aggravated pain upon ascending/descending stairs,squatting down,or standing up.PFOA was treated with arthroscopic patelloplasty and circumpatellar denervation.The therapeutic effects before and after surgery were statistically evaluated using Lysholm and Kujala scores.The therapeutic effects were graded by classification of the degree of cartilage defect.Results：A total of 149 cases were successfully followed up for 14.8 months,on average.The incisions healed well,and no complications occurred.After surgery,the average Lysholm score improved from 73.29 to 80.93,and the average Kujala score improved from 68.34 to 76.48.This procedure was highly effective for patients with cartilage defects Ⅰ-Ⅲ but not for patients with cartilage defect Ⅳ.Conclusions：For PFOA patients,this procedure is effective for significantly relieving anterior knee pain,improving knee joint function and quality of life,and deferring arthritic progression.展开更多
基金Key Clinical and Cohort Construction Project of Peking University Third Hospital(BYSYDL2023013)。
文摘Purpose:Lateral patellar compression syndrome(LPCS)is characterized by a persistent abnormally high stress exerted on the lateral articular surface of the patella due to lateral patellar tilt without dislocation and lateral retinaculum contracture,leading to anterior knee pain.The purpose of this study is to evaluate the efficacy and prognosis of lateral retinaculum release(LRR)combined with chondroplasty in the treatment of LPCS.Methods:This retrospective study evaluated 40 patients who underwent LRR combined with chondroplasty for LPCS between 2020 and 2021.The assessment included improvement in postoperative tenderness and knee joint function.Patients were evaluated using the Lysholm,Tegner,and International Knee Documentation Committee 2000 scoring systems,as well as the visual analog scale,both preoperatively and postoperatively,with the paired comparisons analyzed using at-test.Additionally,intraoperative observations were made regarding knee joint lesions,including cartilage damage and osteophyte formation,with analysis by the Chi-square test.Results:The visual analog scale score for tenderness showed a significant decrease after surgery(p<0.001).Evaluation of knee joint function also indicated significant improvements,as demonstrated by increased Lysholm,Tegner,and International Knee Documentation Committee 2000 scores postoperatively(p<0.001,p=0.011,p<0.001,respectively).Furthermore,all LPCS patients included in the study presented with cartilage injuries and osteophyte formation.Significant differences were noted in the incidence of cartilage damage and osteophyte formation at different locations within the knee among patients with LPCS.Conclusion:LRR combined with chondroplasty is an effective surgical approach for treating patients with LPCS,with satisfactory recovery observed at the 1-year follow-up.Additionally,the incidence of cartilage damage and osteophyte formation in LPCS patients varies significantly depending on the specific location within the knee joint.
文摘Background：Patellofemoral osteoarthritis commonly occurs in older people,often resulting in anterior knee pain and severely reduced quality of life.The aim was to examine the effectiveness of arthroscopic patelloplasty and circumpatellar denervation for the treatment of patellofemoral osteoarthritis （PFOA）.Methods：A total of 156 PFOA patients （62 males,94 females; ages 45-81 years,mean 66 years） treated in our department between September 2012 and March 2013 were involved in this study.Clinical manifestations included recurrent swelling and pain in the knee joint and aggravated pain upon ascending/descending stairs,squatting down,or standing up.PFOA was treated with arthroscopic patelloplasty and circumpatellar denervation.The therapeutic effects before and after surgery were statistically evaluated using Lysholm and Kujala scores.The therapeutic effects were graded by classification of the degree of cartilage defect.Results：A total of 149 cases were successfully followed up for 14.8 months,on average.The incisions healed well,and no complications occurred.After surgery,the average Lysholm score improved from 73.29 to 80.93,and the average Kujala score improved from 68.34 to 76.48.This procedure was highly effective for patients with cartilage defects Ⅰ-Ⅲ but not for patients with cartilage defect Ⅳ.Conclusions：For PFOA patients,this procedure is effective for significantly relieving anterior knee pain,improving knee joint function and quality of life,and deferring arthritic progression.
