Abstract Objective To explore the relationship of serum gonadal hormone levels with age and lesion severity in postmenopausal women with knee osteoarthritis.Methods 215 cases of postmenopausal female patients above 50 years old with knee joint replacement surgery or conservative treatment diagnosed as knee osteoarthritis in Shandong Jining the 1st People's Hospital bone and joint surgery from January 2016 to December 2016 were enrolled.According to age,every 10 years as a group,the patients weredivided into three groups.We measured height,weight,calculate body mass index,WOMAC scale score,X-ray and magnetic resonance imaging of the knee T2-mapping.Fasting blood samples were used to detect FSH,LH,estradiol,fasting blood glucose,triglyceride,and total cholesterol.In accordance with the level of FSH was divided into two groups,high FSH group (>40 mIU/mL) and low FSH group (<40 mIU/mL).High FSH group had42 cases at the age of 50~60,45 cases at the age of 61~70,26 cases more than 70 years old.Low FSH group had37 cases of 50~60 years old and 40 casesof 61~70 years oldand 25 cases more than 70 years old.WOMAC score and T-2 valueof thetwo groups wereobserved.Results The height,weight,body mass index,blood triglyceride,cholesterol and blood sugar of the postmenopausal women with KOA did not change significantly with the increase of age,and the WOMAC score and the average T-2 value increased significantly.Serum FSH levels were the highest in the 50~60 year old group,and then decreased significantly with age,and serum LH and E2 gradually decreased.The decrease of LH was significant,and E2 was not significant.Compared with the high FSH group,there was no significant difference in age between the two groups,but the WOMAC score and T-2 value increased significantly.Conclusion Knee osteoarthritis is age-related disease.With the decrease of follicle stimulating hormoneandestrogen,osteoarthritis syptomswillincreases.
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