title: Letter to the editor on the article "Adductor canal block versus continuous femoral nerve block in primary total knee arthroplasty: A meta-analysis".
authors.affiliation: Peking University, China-Japan Friendship School of Clinical Medicine, 2 Yinghuadong Road, Chaoyang District, Beijing, 100029 China. Electronic address: 1402317340@qq.com.
authors.forename: Jinhui
authors.initials: J
authors.lastname: Ma
authors.affiliation: Center for Osteonecrosis and Joint Preserving & Reconstruction, Department of Orthopaedic Surgery, China-Japan Friendship Hospital, 2 Yinghuadong Road, Chaoyang District, Beijing, 100029 China. Electronic address: gaofuqiang@bjmu.edu.cn.
authors.forename: Fuqiang
authors.initials: F
authors.lastname: Gao
authors.affiliation: Center for Osteonecrosis and Joint Preserving & Reconstruction, Department of Orthopaedic Surgery, China-Japan Friendship Hospital, 2 Yinghuadong Road, Chaoyang District, Beijing, 100029 China. Electronic address: 18901267995@163.com.
authors.forename: Wei
authors.initials: W
authors.lastname: Sun
authors.affiliation: Center for Osteonecrosis and Joint Preserving & Reconstruction, Department of Orthopaedic Surgery, China-Japan Friendship Hospital, 2 Yinghuadong Road, Chaoyang District, Beijing, 100029 China.
authors.forename: Wanshou
authors.initials: W
authors.lastname: Guo
authors.affiliation: Center for Osteonecrosis and Joint Preserving & Reconstruction, Department of Orthopaedic Surgery, China-Japan Friendship Hospital, 2 Yinghuadong Road, Chaoyang District, Beijing, 100029 China.
authors.forename: Zirong
authors.initials: Z
authors.lastname: Li
mesh_terms: D019645:Arthroplasty, Replacement, Knee; D005267:Femoral Nerve; D006801:Humans; D009407:Nerve Block; D010149:Postoperative Pain; D013848:Thigh
keywords: Adductor canal block; Femoral nerve block; Postoperative analgesia; Total knee arthroplasty