摘要
To the Editor:Artificial joint replacement,the most effective treatment for end-stage arthropathy of the hip and knee joint caused by various reasons,has been popularly performed around the world.[1]It was reported the number of total hip replacement case in the United States in 2017 was 1.1 million and the number of total knee replacement case in 2018 was 1.3 million.[2]And the case number is increasing annually.With the biggest population in the world,there is a big volume of joint replacement procedures in China.However,there is lack of artificial joint annual data report in China up-to-date.In this study,we intended to collect the data of artificial joint replacement in the mainland of China within the recent 10 years,and make a preliminary artificial joint annual report.