scholarly journals Arthroscopic Acetabular Labral Reconstruction with Fascia Lata Allograft: Clinical Outcomes at Minimum One-Year Follow-Up

2017 ◽  
Vol 11 (1) ◽  
pp. 554-561 ◽  
Author(s):  
Ritesh Rathi ◽  
Jacek Mazek
Keyword(s):  
Clinical Outcomes ◽  
Fascia Lata ◽  
Harris Hip Score ◽  
Safe Procedure ◽  
Preoperative Pain ◽  
Patient Satisfaction Score ◽  
The Mean ◽  
Modified Harris Hip Score ◽  
And Function

Background:The integrity of the acetabular labrum is crucial to normal biomechanics of the hip joint. Disruption of the labral seal could be detrimental to the overall nutrition of the cartilage, leading to its premature degeneration.Purpose:The aim of this study is to determine the clinical effectiveness of arthroscopic hip labral reconstruction using fascia lata allograft. The hypothesis is that labral reconstruction would provide good clinical outcomes.Methods:We retrospectively reviewed all 10 patients who underwent labral reconstruction with fascia lata allograft from January 2013 to October 2015. We assessed improvement in pain and function, complications, and subsequent surgery. The minimum follow-up was 12 months (average, 22.9 months; range, 16–36 months).Results:All patients reported subjective improvement in preoperative pain and function. The mean modified Harris hip score improved significantly from 58 (55-60) to 95 (91-98). The mean change of modified Harris hip score was 36 (31-41) and mean post-operative patient satisfaction score was 9.5(8-10). We observed no radiological progression of arthritis as well as no patient had revision procedure including total hip replacement.Conclusion:Arthroscopic labral reconstruction using a fascia lata tendon allograft is an effective and safe procedure that not only provides excellent clinical outcomes in short term but also potentially prevent continued cartilage degeneration by restoring acetabular labral seal in patients with deficient or resected labrums.

scholarly journals Outcomes of arthroscopic femoroplasty in patients with cam lesions: Minimum 2-year follow-up

2020 ◽  
Vol 28 (2) ◽  
pp. 230949902094204
Author(s):  
Yong-Chan Ha ◽  
Jae-Young Lim ◽  
Yoo-Sun Won ◽  
Young-Kyun Lee ◽  
Kyung-Hoi Koo ◽  
...  
Keyword(s):  
Los Angeles ◽  
Clinical Outcomes ◽  
Hip Arthroscopy ◽  
Alpha Angle ◽  
Visual Analog Scale Score ◽  
Harris Hip Score ◽  
Preoperative Pain ◽  
Military Population ◽  
Modified Harris Hip Score

Purpose: Successful arthroscopic femoroplasty in patients with cam lesions have been reported in Western countries in the last two decades. However, the outcomes after arthroscopic femoroplasty in Asia have thus far only been reported in patients with borderline dysplasia and in the military population. This retrospective study was designed to evaluate the short-term clinical outcomes and radiologic outcomes after hip arthroscopy in patients with cam-type femoroacetabular impingement (FAI) at a minimum postoperative follow-up of 2 years. Methods: From January 2013 to December 2016, 204 hip arthroscopy procedures were performed. Of these cases, 62 patients (73 hips) underwent hip arthroscopy for cam-type FAI. Results: Of the 73 hips, 65 (89.0%) achieved gratified reduction or elimination of preoperative pain. The clinical outcomes showed improvement in scores from before surgery to the last follow-up: 67.1 ± 15.0 to 90.2 ± 6.3 for the modified Harris hip score ( p < 0.001), 4.7 ± 2.5 to 7.1 ± 1.4 for the University of California Los Angeles score ( p < 0.001), and 7.4 ± 1.9 to 1.8 ± 1.5 for the visual analog scale score ( p < 0.001). In radiologic assessments, significant improvement was observed in the alpha angle from a mean 60.9° to 49.5° ( p < 0.001) and in the head–neck offset from a mean of 3.3 mm to 6.3 mm ( p < 0.001). Of the 73 hips, 65 (89.0%) achieved satisfactory reduction or elimination of preoperative pain. In subgroup analysis for the sufficiency of femoroplasty (alpha angle < 55°), the clinical outcomes were not different between the two groups. Conclusion: Arthroscopic femoroplasty resulted in an 89% satisfaction at the 2-year follow-up. Therefore, hip arthroscopic femoroplasty might be an excellent alternative to open surgery and offers a greater probability of good to excellent results.

Arthroscopic Labral Base Repair in the Hip: 5-Year Minimum Clinical Outcomes

2017 ◽  
Vol 45 (12) ◽  
pp. 2882-2890 ◽  
Author(s):  
Benjamin G. Domb ◽  
Leslie C. Yuen ◽  
Victor Ortiz-Declet ◽  
Jody Litrenta ◽  
Itay Perets ◽  
...  
Keyword(s):  
Patient Satisfaction ◽  
Clinical Outcomes ◽  
Arthroscopic Surgery ◽  
Slipped Capital Femoral Epiphysis ◽  
Harris Hip Score ◽  
Severe Dysplasia ◽  
Patient Satisfaction Score ◽  
Patient Reported ◽  
The Mean

Background: Arthroscopic labral base repair (LBR) in the hip is a previously described technique designed to restore the native functional anatomy of the labrum by reproducing its seal against the femoral head. LBR has been shown to have good short-term outcomes. Hypothesis/Purpose: The purpose was to evaluate clinical outcomes of an LBR cohort with a minimum 5-year follow-up. It was hypothesized that patients who underwent LBR would continue to have significant improvement from their preoperative scores and maintain scores similar to their 2-year outcomes. Study Design: Case series; Level of evidence, 4. Methods: Data for patients undergoing primary hip arthroscopic surgery with LBR from February 2008 to May 2011 with a minimum 5-year follow-up were prospectively collected and retrospectively reviewed. Patients with preoperative Tonnis osteoarthritis grade ≥2, previous hip conditions (slipped capital femoral epiphysis, avascular necrosis, Legg-Calv-Perthes disease), severe dysplasia (lateral center-edge angle <18°), or previous ipsilateral hip surgery were excluded. Statistical equivalence tests evaluated patient-reported outcomes (PROs) including the modified Harris Hip Score (mHHS), Non-Arthritic Hip Score (NAHS), Hip Outcome Score–Sport-Specific Subscale (HOS-SSS), visual analog scale (VAS) for pain, and patient satisfaction (0-10 scale; 10 = very satisfied). Results: Of the 70 patients (74 hips) who met inclusion and exclusion criteria, 60 (85.7%) patients (64 hips) were available at a minimum 5-year follow-up. All PRO scores significantly improved from preoperative values with a mean follow-up of 67.8 ± 7.4 months (range, 60.0-89.7 months). The mean mHHS increased from 64.4 ±13.8 to 85.3 ± 17.7 ( P < .001), the mean NAHS from 63.7 ± 17.0 to 87.0 ± 14.7 ( P < .001), and the mean HOS-SSS from 47.1 ± 23.2 to 76.5 ± 25.9 ( P < .001). The mean VAS score decreased from 5.9 ± 2.4 to 2.0 ± 2.1 ( P < .001). The mean patient satisfaction score was 8.1 ± 2.0. The improvement in PRO scores was sustained from 2- to 5-year follow-up. At 2 and 5 years, survivorship rates were 96.9% and 90.6%, respectively, and the respective secondary arthroscopic surgery rates were 10.9% (7/64) and 17.2% (11/64). Conclusion: At a minimum 5-year follow-up, arthroscopic LBR continued to be a successful procedure and valid technique based on 3 PROs, the VAS, patient satisfaction, and survivorship. Significantly improved outcome scores were maintained compared with preoperative values and showed no signs of deterioration from the 2-year scores. The long-term survivorship of hip arthroscopic surgery has yet to be determined; however, these midterm results demonstrate the rates of additional procedures (both secondary arthroscopic surgery and conversion to total hip arthroplasty), that may be necessary after 2 years.

scholarly journals Clinical outcomes of arthroscopic repair of acetabular labral tears

2018 ◽  
Vol 4 (1) ◽  
pp. e000328 ◽  
Author(s):  
Carlos César Vassalo ◽  
Antônio Augusto Guimarães Barros ◽  
Lincoln Paiva Costa ◽  
Euler de Carvalho Guedes ◽  
Marco Antônio Percope de Andrade
Keyword(s):  
Clinical Outcomes ◽  
Arthroscopic Repair ◽  
Final Evaluation ◽  
Labral Repair ◽  
Harris Hip Score ◽  
Senior Surgeon ◽  
Labral Tears ◽  
Significant Difference ◽  
The Mean

PurposeTo evaluate the primary clinical outcomes of arthroscopic labral repair.MethodsAll patients who underwent arthroscopic repair of the acetabular labrum performed by a senior surgeon between October 2010 and December 2013 were invited to participate in this prospective study. Patients included were those who had a preoperative diagnosis of labral tears, a lateral centre edge greater than 25° and a labral tear believed to be suturable during the intraoperative evaluation. Patients with Tönnis grade 2 or grade 3 hip osteoarthritis and those who had undergone a previous hip surgery were excluded. All patients were evaluated using the modified Harris Hip Score (mHHS) during the final appointment before surgery, 4 months after surgery and at the final evaluation. Interviews were conducted by the senior surgeon.ResultsEighty-four patients (90 hips) underwent arthroscopic repair. The mean age was 44.2 years and the mean follow-up period was 43.0 months (minimum of 25 months and maximum of 59 months). The mean mHHS was 80.4 preoperatively, 95.0 at 4 months postoperatively and 96.6 at final evaluation. A statistically significant difference existed among these scores (p<0.001).ConclusionArthroscopic labral repair was associated with a clinically significant improvement in mHHS after short-term (4 months) and medium-term (43 months) follow-up.Level of evidenceLevel IV, therapeutic case series.

Clinical and Radiographic Predictors for Unsalvageable Labral Tear at the Time of Initial Hip Arthroscopic Management for Femoroacetabular Impingement

2019 ◽  
Vol 47 (9) ◽  
pp. 2029-2037 ◽  
Author(s):  
Hirotaka Nakashima ◽  
Manabu Tsukamoto ◽  
Yasuo Ohnishi ◽  
Hajime Utsunomiya ◽  
Shiho Kanezaki ◽  
...  
Keyword(s):  
Risk Factors ◽  
Patient Reported Outcome ◽  
Labral Tear ◽  
Harris Hip Score ◽  
Patient Reported ◽  
Outcome Scores ◽  
The Mean ◽  
Modified Harris Hip Score ◽  
Reconstruction Group

Background:The acetabular labrum plays important roles in proprioception, nociception, synovial fluid seal effect, and static and dynamic joint stability and as a shock absorber. Clinical and radiographic risk factors for unsalvageable labral tear in femoroacetabular impingement (FAI) are not well established.Purpose:To identify predictors of unsalvageable labral tear during initial hip arthroscopic management of FAI.Study Design:Case-control study; Level of evidence, 3.Methods:Patients were included who underwent primary hip arthroscopic treatment for FAI between March 2009 and March 2014. Patients were excluded who had <2-year follow-up, underwent bilateral surgery, or had a history of surgery, osteoarthritis (Tönnis grade 2 or 3), and other diagnoses, including lateral center-edge angle <25° diagnosed as developmental hip dysplasia. Patients were divided into 2 groups according to their labral condition: reconstruction and refixation. Unsalvageable labral tear was defined as any irreparable labral tear, including severe degenerative tear, frayed labrum, labral ossification, flattened labrum, and failed prior repair during surgery. Univariate and multivariate analyses identified risk factors for segmental labral reconstruction. Patient-reported outcome scores and postoperative revision rates were also assessed.Results:Twenty-five hips (18 male, 7 female) and 126 hips (65 male, 61 female) were included in the reconstruction and refixation groups, respectively. The mean ± SD ages were 52.6 ± 15.0 and 36.5 ± 16.1 years in the reconstruction and refixation groups, respectively. In the reconstruction group, the mean modified Harris Hip Score significantly improved from 67.3 ± 14.9 preoperatively to 95.0 ± 8.1 at final follow-up ( P < .001), and the mean Nonarthritic Hip Score improved from 63.0 ± 18.3 preoperatively to 89.5 ± 10.1 at final follow-up ( P < .001). In the refixation group, the mean modified Harris Hip Score significantly improved from 69.2 ± 18.6 preoperatively to 93.0 ± 11.2 at final follow-up ( P < .001), and the mean Nonarthritic Hip Score improved from 60.7 ± 18.8 preoperatively to 88.6 ± 15.0 at final follow-up ( P < .001). No significant difference was noted in patient-reported outcome scores and revision hip arthroscopy rates. The rate of conversion of total hip arthroplasty was higher in the reconstruction group than in the refixation group. Risk factors for unsalvageable labral tear were age ≥45 years (odds ratio [OR], 8.83; P < .007), body mass index ≥23.1 kg/m2(OR, 13.05; P < .001), and vertical center anterior angle ≥36° (OR, 19.03; P < .001). Furthermore, in this study, unsalvageable labral tears were present in cases with at least 2 of the 3 risk factors.Conclusion:Age ≥45 years, body mass index ≥23.1 kg/m2, and vertical center anterior angle ≥36° are risk factors for unsalvageable labral tear at initial hip arthroscopic surgery for patients with FAI.

scholarly journals Cable plating with a single strut allograft in the treatment of periprosthetic fractures of the femur

2018 ◽  
Vol 29 (1) ◽  
pp. 58-64 ◽  
Author(s):  
Jonathan R Manara ◽  
John A Mathews ◽  
Harvey S Sandhu
Keyword(s):  
Plate Fixation ◽  
Periprosthetic Fractures ◽  
Harris Hip Score ◽  
Complication Rates ◽  
Reproducible Method ◽  
The Mean ◽  
Modified Harris Hip Score ◽  
Unified Classification System ◽  
Hip Arthroplasties

Background: Hip arthroplasties are increasing worldwide resulting in an increasing number of periprosthetic fractures. These fractures are difficult to treat with various the different fixation or revision options described, many of which have high complication rates. Purpose: To investigate whether our described method of treating periprosthetic fractures is an effective, safe and reproducible method of treating patients. Methods: We describe the largest series of a cable plate fixation system combined with a single cortical strut allograft to treat patients with periprosthetic fractures of the hip (Unified Classification System B1 and selected B2, C and D). Results: Between July 2006 and March 2015, 28 patients were treated using this method. The mean follow-up was 2.2 years (3 months to 9 years). The mean Oxford Hip Score (OHS) at final follow-up was 32 and the mean modified Harris Hip Score (mHHS) 67. There were 3 complications including 1 failure that required revision surgery, 1 case of infection successfully treated with debridement, antibiotics and retention, and a case of discomfort from the metalwork which we managed conservatively. Conclusion: This method of anatomical restoration of the femur with dual-plane fixation is a highly effective method of treating this complex group of patients, and should be considered as a first line of treatment. It shows that there is a role for successful treatment with internal fixation of certain B2, C and D fractures with this technique.

Does Iliopsoas Lengthening Adversely Affect Clinical Outcomes After Hip Arthroscopy? A Multicenter Comparative Study

2018 ◽  
Vol 46 (11) ◽  
pp. 2624-2631 ◽  
Author(s):  
David R. Maldonado ◽  
Aaron J. Krych ◽  
Bruce A. Levy ◽  
David E. Hartigan ◽  
Joseph R. Laseter ◽  
...  
Keyword(s):  
Cohort Study ◽  
Clinical Outcomes ◽  
Hip Arthroscopy ◽  
Labral Tear ◽  
Harris Hip Score ◽  
Pain Patient ◽  
Control Group ◽  
Safe Procedure ◽  
Outcome Score

Background: Iliopsoas fractional lengthening (IFL) continues to be a controversial procedure in hip arthroscopy. Hypothesis: Patients who underwent arthroscopic surgery for femoroacetabular impingement (FAI) and a labral tear either with or without IFL would experience favorable outcomes, and there would be no difference in postoperative patient-reported outcomes (PROs) between the 2 groups at minimum 2-year follow-up. Study Design: Cohort study; Level of evidence, 3. Methods: Data from July 2009 and April 2015 were retrospectively reviewed. Patients were eligible if they had hip arthroscopy for both FAI and labral tear treatment with IFL and without IFL. IFL was indicated for painful internal snapping. Minimum postoperative follow-up was set to 2 years. The authors calculated the modified Harris Hip Score, International Hip Outcome Tool–12, Hip Outcome Score–Activity of Daily Living Score, Hip Outcome Score–Sports Specific Subscale, Non-Arthritic Hip Score, visual analog scale for pain, patient satisfaction, minimal clinically important difference (MCID), and the percentage of patients who achieved patient acceptable symptomatic state (PASS). Revision surgeries and conversions to total hip arthroplasty (THA) were documented. Results: 351 hips (307 patients) met the necessary inclusion criteria in the IFL cohort, with a mean ± SD follow-up time of 42.5 ± 18.1 months. For the control cohort, 392 hips (354 patients) were included, with a mean ± SD follow-up time of 43.9 ± 19.6 months. Both groups showed significant postoperative improvement in 2-year follow-up PROs. The group with iliopsoas lengthening showed comparable results to the control group with respect to PRO improvement, MCID, PASS, and rates of revision or THA conversion. Conclusion: This comparative cohort study demonstrated that treatment of painful internal snapping syndrome with arthroscopic IFL, in the setting of FAI and a labral tear, is a safe procedure with good short- to mid-term follow-up results and associated improvement in PROs. Patients who underwent IFL showed similar outcomes compared with a control group treated for FAI and labral tear without IFL. In appropriately selected patients, arthroscopic IFL did not adversely affect clinical outcomes compared with patients who did not need IFL.

Predictors of Clinical Outcomes After Hip Arthroscopy: 5-Year Follow-up Analysis of 1038 Patients

2020 ◽  
Vol 49 (1) ◽  
pp. 112-120 ◽  
Author(s):  
Benjamin G. Domb ◽  
Sarah L. Chen ◽  
Cammille C. Go ◽  
Jacob Shapira ◽  
Philip J. Rosinsky ◽  
...  
Keyword(s):  
Clinical Outcomes ◽  
Predictive Factors ◽  
Hip Arthroscopy ◽  
Alpha Angle ◽  
Joint Space ◽  
Harris Hip Score ◽  
Bivariate Analysis ◽  
Inclusion Criteria ◽  
Modified Harris Hip Score

Background: Although hip arthroscopy has been shown to have favorable results, there is a paucity of literature describing predictive factors of 5-year clinical outcomes. Purpose: To identify predictive factors of midterm outcomes after hip arthroscopy in a cohort of 1038 patients whose outcomes at minimum 2-year follow-up were previously reported. In addition, to provide a comparison of short- and midterm predictive factors in outcome measures after hip arthroscopy. Study Design: Case-control study; Level of evidence, 3. Methods: Data were prospectively collected and retrospectively reviewed on all patients undergoing hip arthroscopy between February 2008 and June 2012. Patients were included if they had minimum 5-year follow-up on 2 patient-reported outcomes: Nonarthritic Hip Score (NAHS) and modified Harris Hip Score. Patients were excluded if they had any previous ipsilateral hip conditions. Using bivariate and multivariate analyses, we analyzed the effect of 36 pre- and intraoperative variables on the NAHS, modified Harris Hip Score, and conversion to total hip arthroplasty. Results: A total of 1038 patients met the inclusion criteria for the 2-year study, and 860 met our listed inclusion criteria for the 5-year study. The mean follow-up time was 62.0 months (range, 60.0-120.0 months). The bivariate analysis identified 10 variables (4 categorical and 6 continuous) that were predictive of 5-year postoperative NAHS. For the multivariate analysis, 7 variables were identified as being significant: preoperative NAHS, body mass index (BMI), age, lateral joint space, alpha angle, revision hip arthroscopy, and acetabular microfracture. These 7 variables were also predictive in the bivariate analysis. Age, BMI, revision hip arthroscopy, Tönnis grade, sex, trochanteric bursectomy, femoral head cartilage damage, and acetabular inclination were significant predictors of conversion to total hip arthroplasty. Conclusion: This study reports favorable midterm clinical outcomes in the largest cohort of hip arthroscopies with minimum 5-year follow-up in the literature to date. Seven variables were identified as being significant predictors of postoperative NAHS in the bivariate and multivariate analyses: preoperative NAHS, BMI, age, lateral joint space, alpha angle, revision hip arthroscopy, and acetabular microfracture. Of these, preoperative NAHS, BMI, age, and revision hip arthroscopy were predictive of 2- and 5-year postoperative NAHS. These predictive factors may prove useful to clinicians in determining indications for hip arthroscopy and counseling patients on its expected outcomes.

scholarly journals Mid- to long-term clinical outcomes of arthroscopic surgery for external snapping hip syndrome

2021 ◽  
Author(s):  
Chun-Ting Chu ◽  
Huan Hsu ◽  
Hao-Che Tang ◽  
Alvin Chao-Yu Chen ◽  
Yi-Sheng Chan
Keyword(s):  
Clinical Outcomes ◽  
Arthroscopic Surgery ◽  
Harris Hip Score ◽  
Iliotibial Band ◽  
Snapping Hip ◽  
External Snapping Hip ◽  
Modified Harris Hip Score ◽  
Snapping Hip Syndrome

ABSTRACT This study evaluated the outcomes of arthroscopic surgery for the treatment of external snapping hip at 2- to 10-year follow-ups. Eighteen patients with refractory external snapping hip treated by arthroscopic surgery were enrolled in this prospective study. All patients underwent unsuccessful conservative treatment for more than 3 months before surgery. We made diamond-shaped defects on the iliotibial band and resected peripheral fibrosis tissues for iliotibial band release with an arthroscopic approach. The visual analog scale (VAS), modified Harris hip score and return to previous level of activity were evaluated as functional outcomes. In addition, residual discomfort or the presentation of complications was also investigated. The average follow up period was 7 years. The modified Harris hip score increased from 70.08 preoperatively to 93.14 postoperatively, and the VAS score decreased from 3.67 preoperatively to 1.17 2 weeks after the operation and declined to 0.33 at the last follow-up. Neither recurrence of snaps nor complications were recorded. Two patients complained of a tight sensation with tenderness after exertion. Our clinical outcomes were compatible with those of previous studies, and no long-term complications were noted, even with a relatively longer follow-up period than what was reported in previous studies. Arthroscopic surgery is a safe and effective treatment that can provide promising long-term clinical outcomes for patients with refractory external snapping hip.

scholarly journals Partial two-stage exchange: an alternative method for infected total hip arthroplasty

2021 ◽  
Vol 22 (1) ◽  
Author(s):  
Mumingjiang Yishake ◽  
Lan Tang ◽  
Xi Chen ◽  
Yuejian Wang ◽  
Rongxin He
Keyword(s):  
Total Hip Arthroplasty ◽  
Clinical Outcomes ◽  
Hip Arthroplasty ◽  
Femoral Stem ◽  
Severe Trauma ◽  
Harris Hip Score ◽  
Two Stage ◽  
Total Hip ◽  
The Mean

Abstract Background Total two-stage exchange is commonly used in clinical practice as a treatment for infected total hip arthroplasty (THA); however, this approach involves considerable limitations, including significant bone loss and severe trauma. This retrospective cohort study was conducted to evaluate clinical outcomes following the use of partial two-stage exchange (PTE) for infected THA. Methods We performed a retrospective analysis of 28 patients with infected THA who were treated by PTE between September 2000 and June 2019. Eligibility for PTE was limited to patients with a well-fixed femoral stem prosthesis. In the first stage of the operation, the femoral stem prosthesis was preserved; subsequently, the acetabular prosthesis, liner, and head were replaced with an antibiotic-loaded spacer. The new prosthesis was then implanted into patients and monitored for at least 3 months to ensure freedom from infection. Results Patients were followed for an average of 4 years (range, 2–11 years), with an overall success rate of 85.7% (24/28). The mean Harris hip score at the final follow-up was 76.2 ± 11.7 points. Conclusions The findings of this study suggest that PTE could be an acceptable option for a subset of patients with infected THA, offering a satisfactory infection control rate and clinical outcomes comparable to those of total two-stage exchange, but with less harm.

scholarly journals Hip arthroscopy has good clinical outcomes in the treatment of osteoid osteoma of the acetabulum

2021 ◽  
Vol 22 (1) ◽  
Author(s):  
Guanying Gao ◽  
Ruiqi Wu ◽  
Rongge Liu ◽  
Yingfang Ao ◽  
Jianquan Wang ◽  
...  
Keyword(s):  
Clinical Outcomes ◽  
Osteoid Osteoma ◽  
Hip Arthroscopy ◽  
Alpha Angle ◽  
Harris Hip Score ◽  
Center Edge ◽  
Patient Reported ◽  
The Mean ◽  
Outcome Tool

Abstract Background Osteoid osteoma (OO) of the acetabulum is a relatively rare disease. However, the the clinical outcomes of hip arthroscopy for treatment of OO of the acetabulum are still uncertain. Methods We evaluated consecutive patients who were diagnosed with OO of the acetabulum and who underwent hip arthroscopy at our hospital between January 2013 and March 2020. All patients underwent a preoperative physical examination. Preoperative supine anteroposterior hip radiography, cross-table lateral radiographs, computed tomography (CT), and magnetic resonance imaging were performed in all patients. The alpha angle and lateral center-edge angle were measured before surgery. Supine anteroposterior hip radiography and CT were performed in all patients postoperatively. Preoperative patient-reported outcomes (PROs), including Visual Analog Scale (VAS), the International Hip Outcome Tool-12 (iHOT-12) and modified Harris Hip Score (mHHS), and PROs at final follow-up were evaluated. Results A total of 6 patients (mean age, 18.7 years; age range, 6–31 years; 5 males and 1 females) were included in this study. The average follow-up period after surgery was 28.3 months (range, 6–90 months). Before surgery, the mean mHHS was 45.2 ± 10.5 (range, 33–56), the mean iHOT-12 was 33.3 ± 14.5 (range, 13–49), and mean VAS was 8.2 ± 1.0 (range, 7–9). At one month after surgery, mean mHHS was 78.7 ± 1.9 (range, 77–81), iHOT-12 was 71.0 ± 4.5 (range, 68–80), and mean VAS was 0. At the final post-operative follow-up, mean mHHS was 89.2 ± 2.1 (range, 86–91), iHOT-12 was 93.5 ± 5.0 (range, 88–98), and mean VAS was 0. All results, except VAS between one month after surgery and at final follow-up, demonstrated statistically significant improvement (P < 0.05). One patient underwent revision surgery. Conclusions Hip arthroscopy has good clinical outcomes in the treatment of OO of the acetabulum. Further study on the mechanism of secondary femoroacetabular impingement (FAI) caused by OO of the acetabulum is needed. More cases of arthroscopic excision and longer follow-up are also needed to better prove the clinical outcomes of hip arthroscopy for OO of the acetabulum.

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