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Background: Ankle fusion is the primary treatment for advanced ankle arthritis. With the advancement of arthroscopy technology, ankle arthroscopy fusion has shown many advantages over traditional surgery. However, there are few related studies globally, and evidence-based medicine is needed to verify the reliability and feasibility of ankle arthroscopy fusion. Objective: To compare the clinical efficacy and safety of arthroscopic ankle arthrodesis and open ankle arthrodesis. Methods: We searched the databases of PubMed, Embase, Cochrane Library, China National Knowledge Infrastructure [CNKI], Wanfang Database, and VIP Database for published prospective or retrospective controlled studies of arthroscopic-assisted ankle fusion in the treatment of advanced ankle arthritis. The dates were limited from the construction of the library to June 30, 2019. Literature was included based on the principles and methods of evidence-based medicine. Literature retrieval, data extraction, and quality assessment were performed by 2 independent reviewers using the Cochrane 5.1 risk bias assessment tool. The methodological bias of the literature was evaluated, and a meta-analysis was using by RevMan 5.3 software. Results: A total of 18 studies and 1102 patients were included in the study, including 551 in the arthroscopic surgery group and 551 in the open surgery group. Arthroscopy-assisted surgery for advanced ankle arthritis was more effective than open surgery in terms of fusion rate (odd ratio[OR] = 3.32, 95% confidence interval[CI]:2.16, 5.10), fusion time (mean difference[MD] = −2.31, 95% CI:−4.63, −2.21), intraoperative blood loss (MD = −43.37, 95%CI: −48.49, −38.25), hospital stay (MD = −1.80, 95%CI: −2.28, −1.33), and visual analog scale score (MD = −1.75, 95%CI: −2.04, −1.46). In addition, rate of complications (OR = 0.33, 95%CI: 0.21, 0.52) was superior to open ankle fusion (P

Objective The aim of the present study was to evaluate commonly used approaches for detection of radiographic angles in hallux valgus deformity patients. Methods This retrospective study was conducted in patients with hallux valgus deformity at Wangjing Hospital of China Academy of Chinese Medical Sciences from January 2016 to January 2019. The inclusion criteria were: (i) postoperative dorsoplantar weight‐bearing radiographs for the feet of patients with the hallux valgus; (ii) patients had been managed with a distal osteotomy of the first metatarsal and the osteotomized bone ends recovered. The exclusion criteria applied were as follows: (i) age > 65 years or 0.05). The lowest values of the average measurement, standard deviation, and confidence interval were established in method 3, followed by those in methods 1 and 4. The standard deviation of the measurement value and the confidence interval in method 2 were the largest. Methods 1 and 4 had similar confidence intervals and were with a high consistency. Due to the nature of the retrospective study, no follow‐up and complications were applicable in the present study. Conclusion Line drawn through the long axis of the first metatarsal bone (method 1) and line drawn from the center of the head of the first metatarsal head through the center of the base of the first metatarsal bone (method 4) were reliable and well repeatable, and may be used for postoperative radiographs.