{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,28]],"date-time":"2026-08-28T05:22:05Z","timestamp":1787894525918,"version":"build-2784847793"},"reference-count":44,"publisher":"Frontiers Media SA","license":[{"start":{"date-parts":[[2021,12,16]],"date-time":"2021-12-16T00:00:00Z","timestamp":1639612800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["frontiersin.org"],"crossmark-restriction":true},"short-container-title":["Front. Surg."],"abstract":"<jats:p>\n                    <jats:bold>Objective:<\/jats:bold>\n                    This meta-analysis aimed to compare ceramic-on-ceramic (COC) components and ceramic-on-polyethylene (COP) components during total hip arthroplasty (THA).\n                  <\/jats:p>\n                  <jats:p>\n                    <jats:bold>Settings:<\/jats:bold>\n                    A meta-analysis of randomized controlled trials (RCTs) comparing COC and COP during primary THA was conducted. Electronic searches were current to March 2021.\n                  <\/jats:p>\n                  <jats:p>\n                    <jats:bold>Participants:<\/jats:bold>\n                    Trials were included for meta-analysis if they compared at least the bearing surfaces of COC and COP for patients undergoing primary THA and if they reported the outcomes of THA after a certain period of follow-up and only RCTs in English were included.\n                  <\/jats:p>\n                  <jats:p>\n                    <jats:bold>Primary and Secondary Outcome Measures:<\/jats:bold>\n                    The primary endpoints consist of audible noise, prosthesis fracture, and revision. Secondary endpoints include dislocation, deep infection, osteolysis, and prosthesis loosening. Extracted data were statistically analyzed with the Stata11.0.\n                  <\/jats:p>\n                  <jats:p>\n                    <jats:bold>Results:<\/jats:bold>\n                    A total of 15 RCTs containing 2,702 patients (2,813 hips) were included in this study. The audible noise [odds ratio (OR) = 5.919; 95% CI: 2.043, 17.146;\n                    <jats:italic>p<\/jats:italic>\n                    \u2264 0.001] and prosthesis fracture (OR = 35.768; 95% CI: 8.957, 142.836;\n                    <jats:italic>p<\/jats:italic>\n                    = 0.001) were significantly higher in the COC group. Hip function, revision rate, dislocation rate, deep infection rate, osteolysis rate, and prosthesis loosening rate were comparable between these two groups, while the wear rate was higher in the COP group.\n                  <\/jats:p>\n                  <jats:p>\n                    <jats:bold>Conclusion:<\/jats:bold>\n                    This study indicated comparable outcomes of COC and COP bearing surfaces in primary THA; high-quality RCTs with a long-term follow-up are still urgently needed to provide more evidence on the optimal bearing surfaces in primary THA.\n                  <\/jats:p>","DOI":"10.3389\/fsurg.2021.751121","type":"journal-article","created":{"date-parts":[[2021,12,16]],"date-time":"2021-12-16T07:00:45Z","timestamp":1639638045000},"update-policy":"https:\/\/doi.org\/10.3389\/crossmark-policy","source":"Crossref","is-referenced-by-count":11,"title":["Comparison of Ceramic-on-Ceramic vs. Ceramic-on-Polyethylene for Primary Total Hip Arthroplasty: A Meta-Analysis of 15 Randomized Trials"],"prefix":"10.3389","volume":"8","author":[{"given":"Yan","family":"Fang","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xiaobin","family":"Shang","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1965","published-online":{"date-parts":[[2021,12,16]]},"reference":[{"key":"B1","doi-asserted-by":"publisher","first-page":"3329","DOI":"10.1016\/j.arth.2018.05.040","article-title":"Does surgeon volume affect outcomes following primary total hip arthroplasty? 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