Comparison of Outcomes Following Total Hip Arthroplasty Between Patients Diagnosed with Association Research Circulation Osseous (ARCO) Stage III and Stage IV Osteonecrosis of the Femoral Head: A Retrospective Study of 302 Patients

Meng Yang; Xiangke Li; Kung Chu; Zihang Li; Congcong Wei; Mengxuan Yao; Huijie Li

doi:10.12659/MSM.938991

17 January 2023 : Clinical Research

Comparison of Outcomes Following Total Hip Arthroplasty Between Patients Diagnosed with Association Research Circulation Osseous (ARCO) Stage III and Stage IV Osteonecrosis of the Femoral Head: A Retrospective Study of 302 Patients

Meng Yang^1ABC, Xiangke Li^2D, Kung Chu^1F, Zihang Li^1E, Congcong Wei^3B, Mengxuan Yao^1E, Huijie Li^4AB*

DOI: 10.12659/MSM.938991

Med Sci Monit 2023; 29:e938991

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Figure 2 (A) Anteroposterior projection of preoperative X-ray of Association Research Circulation Osseous (ARCO) stage IV patient shows the absence of joint space and severe periacetabular hyperplasia. (B) Anteroposterior projection of postoperative X-ray of ARCO stage IV patient shows well-positioned hip joint prosthesis.

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Comparison of Outcomes Following Total Hip Arthroplasty Between Patients Diagnosed with Association Research Circulation Osseous (ARCO) Stage III and Stage IV Osteonecrosis of the Femoral Head: A Retrospective Study of 302 Patients

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