[Objective]To compare the clinical effect of non-fluoroscopy(NFS)arthroscopic acetabuloplasty versus conventional fluo-roscopy(FS)counterpart for treatment of pincer femoroacetabular impingement(P-FAI).[Methods]A retrospective analysis was performed on 70 patients who were underwent hip arthroscopy for P-FAI in Department of Orthopedics,PLA General Hospital from October 2021 to February 2023.According to the preoperative doctor-patient communication,35 patients underwent a line-like acetabuloplasty under NFS arthroscopy,while other 35 patients underwent conventional FS arthroscopic acetabuloplasty.The documents regarding to perioperative peri-od,follow-up and images were compared between the two groups.[Results]All patients in both groups had the arthroscopic procedure per-formed successfully without serious complications,such as injury of important blood vessels and nerves.The NFS group proved significantly superior to the FS group in terms of operative time[(110.1±14.8)min vs(128.5±22.5)min,P＜0.001]and intraoperative fluoroscopy times[(0.9±0.9)times vs(2.9±1.4)times,P＜0.001],although there were no significant differences in intraoperative blood loss,incision healing and hospital stay between the two groups(P＞0.05).All patients in both groups were followed up for more than 12 months,with an average of(26.4±5.5)months.At the last follow-up,VAS scores significantly decreased(P＜0.05),while mHHS and iHOT scores significantly increased in both groups(P＜0.05).There were no statistically significant differences in VAS,mHHS and iHOT scores between the two groups before surgery(P＞0.05).At the last follow-up,the NFS group was greater than the FS group in terms of VAS and mHHS scores,and the former was less than the latter in IHOT-12 scores,whereas all of the differences in abovementioned parameters proved not statistically significant be-tween the two groups(P＞0.05).In terms of imaging,the lateral center-edge angle(LCEA)and acetabular index(AI)in both groups signifi-cantly improved at the last follow-up compared with those before surgery(P＜0.05),whereas which were not significantly different between the two groups at any time points accordingly(P＞0.05).[Conclusion]Both non-fluoroscopy and conventional fluoroscopy arthroscopic ace-tabuloplasty do achieve good clinical results,with no significant differences between the two methods,but the former does save operation time and reduce the impact of radiation on health.
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