scholarly journals Hip arthroscopy-assisted reduction and fixation for femoral head fracture dislocations: Clinical and radiographic short-term results of seven cases

2019 ◽  
Vol 27 (3) ◽  
pp. 230949901988186 ◽  
Author(s):  
Shan-Ling Hsu ◽  
Chung-Yang Chen ◽  
Jih-Yang Ko ◽  
Chi-Hsiang Hsu ◽  
Hao-Chen Liu ◽  
...  
Keyword(s):  
Femoral Head ◽  
Arthroscopic Surgery ◽  
Fracture Dislocation ◽  
Harris Hip Score ◽  
Consecutive Series ◽  
Femoral Head Fracture ◽  
Articular Fractures ◽  
Fracture Dislocations ◽  
The Mean

Purpose: Femoral head fracture dislocations are serious articular fractures that are associated with soft tissue injuries and are challenging to treat. Arthroscopic surgery may be a way to treat fracture reduction and fixation, thereby avoiding the need for extensive arthrotomy. Methods: We followed up a consecutive series of seven patients with femoral head fracture dislocation via a scope-assisted percutaneous headless screw fixation between 2016 and 2017. The clinical and radiological results were assessed. Results: The locations of the fracture were all involving infra-foveal area. The mean follow-up duration was 18 (range 12–24) months. The mean Harris hip score was 90.8 (range 88–93) at the latest follow-up. None of the patients showed early osteoarthritis, heterotopic ossification, or avascular necrosis. The average maximal displacement of the fracture site was improved from preoperative 6.79 mm (range 4.21–12.32) to postoperative 2.76 mm (range 0.97–3.97). Concomitant intra-articular hip lesions secondary to traumatic hip dislocation can also be treated. Conclusion: Managing the infra-foveal fracture of the femoral head using arthroscopic reduction and fixation with headless screws can be a safe and minimally invasive option. More patients and longer follow-up are needed for a definite conclusion.

scholarly journals Surgical treatment for Pipkin type IV femoral head fracture

2017 ◽  
Vol 25 (1) ◽  
pp. 230949901668497 ◽  
Author(s):  
Yi-Hsun Yu ◽  
Yung-Heng Hsu ◽  
Ying-Chao Chou ◽  
I-Chuan Tseng ◽  
Chun-Yi Su ◽  
...  
Keyword(s):  
Femoral Head ◽  
Functional Results ◽  
Surgical Approaches ◽  
Consecutive Series ◽  
Radiological Outcome ◽  
Femoral Head Fracture ◽  
Type Iv ◽  
Post Traumatic ◽  
The Mean

Purpose: Pipkin type IV femoral head (FH) fracture was thought as poor prognosis. There were several surgical approaches and treatments for this difficult fracture. However, there was no one treatment superior to another. We reviewed a serious of patients with Pipkin type IV FH fracture underwent surgery via a modified Gibson approach. Methods: We reviewed a consecutive series of nine patients with Pipkin type IV FH fracture under surgery via a modified Gibson approach between 2012 and 2013. The surgical procedure was completely described, and the radiological outcome and the functional outcome were also reviewed. Results: The mean follow-up duration was 17 (12–30) months. The mean Merle d’Aubigne score was 16 (8–19). Seven patients had anatomical reductions, and two had imperfect reductions by Matta’s grading. There was no early posttraumatic osteoarthritis during the follow-up period. One patient with early post-traumatic osteonecrosis 3 months after index surgery underwent total hip arthroplasty. Conclusions: Through this surgery approach to fix the FH and the acetabulum, the radiological and the functional results were satisfactory. We still need more patients with prospective study to find an optimal surgical approach for Pipkin type IV FH fracture.

scholarly journals A case report of femoral head fracture with osteochondral lesion treated by osteosynthesis and biomimetic scaffold: 2-year clinical and radiological follow-up

2021 ◽  
Vol 8 (1) ◽  
Author(s):  
Alessandro Casiraghi ◽  
Claudio Galante ◽  
Marco Domenicucci ◽  
Stefano Cattaneo ◽  
Andrea Achille Spreafico ◽  
...  
Keyword(s):  
Case Report ◽  
Femoral Head ◽  
Articular Surface ◽  
Osteochondral Lesion ◽  
Hip Dislocation ◽  
Fracture Dislocation ◽  
Osteochondral Lesions ◽  
Femoral Head Fracture ◽  
Osteochondral Scaffold

AbstractThe aim of the present study was to present clinical and radiological outcome of a hip fracture-dislocation of the femoral head treated with biomimetic osteochondral scaffold.An 18-year-old male was admitted to the hospital after a motorcycle-accident. He presented with an obturator hip dislocation with a type IVA femoral head fracture according to Brumback classification system. The patient underwent surgery 5 days after accident. The largest osteochondral fragment was reduced and stabilized with 2 screws, and the small fragments were removed. The residual osteochondral area was replaced by a biomimetic nanostructured osteochondral scaffold. At 1-year follow-up the patient did not complain of hip pain and could walk without limp. At 2-year follow-up he was able to run with no pain and he returned to practice sports. Repeated radiographs and magnetic resonance imaging studies of the hip showed no signs of osteoarthritis or evidence of avascular necrosis. A hyaline-like signal on the surface of the scaffold was observed with restoration of the articular surface and progressive decrease of the subchondral edema.The results of the present study showed that the biomimetic nanostructured osteochondral scaffold could be a promising and safe option for the treatment of traumatic osteochondral lesions of the femoral head.Study Design: Case report.

Outcomes of Hip Arthroscopic Surgery in Adolescents With a Subanalysis on Return to Sport: A Systematic Review

2019 ◽  
Vol 48 (6) ◽  
pp. 1526-1534
Author(s):  
Sarah L. Chen ◽  
David R. Maldonado ◽  
Cammille C. Go ◽  
Cynthia Kyin ◽  
Ajay C. Lall ◽  
...  
Keyword(s):  
Systematic Review ◽  
Short Form ◽  
Adult Population ◽  
Arthroscopic Surgery ◽  
Return To Sport ◽  
Functional Improvement ◽  
Harris Hip Score ◽  
Patient Reported ◽  
The Mean

Background: There is a plethora of literature on outcomes after hip arthroscopic surgery in the adult population; however, outcomes in the adolescent population have not been as widely reported. Additionally, as adolescents represent a very active population, it is imperative to understand their athletic activity and return to sport after hip arthroscopic surgery. Purpose: To analyze patient-reported outcomes (PROs) after hip arthroscopic surgery in adolescents (aged 10-19 years) and present a return-to-sport analysis in the athletic adolescent subgroup. Study Design: Systematic review; Level of evidence, 4. Methods: The PubMed, Embase, and Cochrane databases were searched according to the PRISMA (Preferred Reporting Items for Systematic Reviews and Meta-Analyses) guidelines to identify articles that reported PROs after hip arthroscopic surgery in adolescents. The standardized mean difference was calculated to compare the effect size of hip arthroscopic surgery on various PROs. For the athletic subgroup, a return-to-sport summary was also provided. Results: Ten studies, with 618 adolescent hips and a collective study period of December 2004 to February 2015, were included in this systematic review. Across all studies, the mean age was 15.8 years (range, 11.0-19.9 years), and female patients composed approximately 56.7% of the entire cohort. The mean follow-up was 34.5 months (range, 12-120 months). The modified Harris Hip Score (mHHS) was reported in 9 studies, and at latest follow-up, scores were excellent in 4 studies (range, 90-95) and good in the remaining 5 studies (range, 82.1-89.6). All adolescents also showed significant improvement on the Non-Arthritic Hip Score (NAHS), the Hip Outcome Score–Activities of Daily Living (HOS-ADL), the HOS–Sport-Specific Subscale (HOS-SSS), the physical component of the 12-Item Short Form Health Survey (SF-12P), a visual analog scale for pain (VAS), and both versions of the International Hip Outcome Tool (iHOT-12 and iHOT-33) at latest follow-up ( P < .05). Further, mean improvements reported in all studies surpassed reported values of the minimal clinically important difference and patient acceptable symptomatic state for the mHHS, HOS-ADL, HOS-SSS, and iHOT-33. Finally, the collective return-to-sport rate among athletic adolescents was 84.9%. Conclusion: In the setting of labral tears and femoroacetabular impingement, hip arthroscopic surgery can safely be performed in adolescents and leads to significant functional improvement. Furthermore, athletic adolescents return to sport at high levels after hip arthroscopic surgery.

scholarly journals 3D printing-based Ganz approach for treatment of femoral head fractures: a prospective analysis

2019 ◽  
Vol 14 (1) ◽  
Author(s):  
Jinwu Wang ◽  
Leyi Cai ◽  
Linzhen Xie ◽  
Hua Chen ◽  
Xiaoshan Guo ◽  
...  
Keyword(s):  
Femoral Head ◽  
3D Printing ◽  
Blood Loss ◽  
Surgical Approach ◽  
Type I ◽  
Type Ii ◽  
Femoral Head Fracture ◽  
Hip Function ◽  
The Mean

Abstract Background Femoral head fractures are uncommon injuries. Open reduction and internal fixation (ORIF) of femoral head fracture is the preferred treatment for most patients. There are several surgical approaches and treatments for this difficult fracture. However, the optimal surgical approach for the treatment of femoral head fracture remains controversial. Meanwhile, the operation is difficult and the complications are numerous. We prospectively reviewed patients with femoral head fractures managed surgically through the 3D printing-based Ganz approach to define a better approach with the least morbidity. Patients and methods Between 2012 and 2017, a total of 17 patients were included in this study. An exact 1:1 3D printing model of the injured hip side was fabricated for each patient and simulated surgery was finished preoperative. The surgical approach was performed as described by Ganz. Functional assessment was performed using the modified Merle d’Aubigne scores. The reduction of the fracture was evaluated according to Matta’s criteria. The incidence of complications, such as heterotopic ossification (HO) and avascular necrosis (AVN), and the need for additional surgery were also documented. Results Twelve of 17 patients (four females and eight males) were available for 2 years follow-up. The mean follow-up was 35 months (25–48 months). Average age for the 12 patients was 39.9 ± 12.2 years. According to the Pipkin classification, four patients were type I fracture, three patients were type II fracture, and five patients were type IV fracture. The mean operative time was 124.2 ± 22.1 min, and the estimated blood loss was 437.5 ± 113.1 ml. According to Merle d’ Aubigne scores, excellent results were achieved in six of the 12 patients; four good and two poor results occurred in the rest of the patients. On the radiograph evaluation, fracture reduction was defined as anatomical in eight patients, and imperfect in four. Most patients had good outcomes and satisfactory hip function at last follow-up. Almost all great trochanteric osteectomy healed uneventfully. One patient developed symptomatic AVN of the femoral head and underwent THA at 3 years. After THA, she regained a good hip function with the ability to return to work and almost no reduction in sports activities. Heterotopic ossification was found in four cases (type I-1, type II-2, and type III-1). Conclusions The 3D printing-based Ganz approach provides a safe and reliable approach and satisfactory results of treatment in femoral head fractures. Using 3D printed model for the fracture of the femoral head, the fracture can be viewed in every direction to provide an accurate description of fracture characteristics, which contributes to make a reasonable surgical plan for patients. In addition, the 3D printing-based Ganz approach can obtain excellent surgical exposure and protection of the femoral head blood supply, reduce the operation time and intraoperative blood loss, make the precise osteotomy, anatomically fix the intra-articular fragments, and effectively reduce postoperative complications. Trial registration We register our research at http://www.researchregistry.com. The Unique Identifying Number (UIN) from the Research Registry of the study is researchregistry4847.

scholarly journals The Effect of Postoperative Corticosteroid Administration on Free Vascularized Fibular Grafting for Treating Osteonecrosis of the Femoral Head

2013 ◽  
Vol 2013 ◽  
pp. 1-5
Author(s):  
Hao Ding ◽  
Sheng-Bao Chen ◽  
Sen Lin ◽  
You-Shui Gao ◽  
Chang-Qing Zhang
Keyword(s):  
Adverse Effect ◽  
Femoral Head ◽  
Harris Hip Score ◽  
Radiographic Evaluation ◽  
Control Group ◽  
Corticosteroid Administration ◽  
The Mean ◽  
Fibular Grafting ◽  
Free Vascularized Fibular Grafting

Free vascularized fibular grafting (FVFG) has been reported to be an effective method of treating osteonecrosis of the femoral head (ONFH). This study evaluated whether postoperative maintenance doses of corticosteroids had an adverse effect on FVFG outcomes in patients with corticosteroid-induced ONFH. We retrospectively reviewed the records of 39 patients (67 hips) who had received maintenance doses of corticosteroids following FVFG. This group was matched to a group of patients who had not received corticosteroids treatment after operation. The mean follow-up duration was 5.4 years for the postoperative corticosteroid administration group (PCA group) and 5.0 years for the control group. At the latest follow-up, the average increase in Harris hip score was 11.1 ± 8.7 points for all hips in the PCA group and 12.6 ± 7.4 points for all hips in the control group (P>0.05). In the PCA group, through radiographic evaluation, 49 hips were improved, 10 hips appeared unchanged, and 8 hips appeared worse. In the control group, 47 hips were improved, 13 hips appeared unchanged, and 7 hips appeared worse. The results suggested that postoperative maintenance doses of corticosteroids do not have an adverse effect on FVFG outcomes in patients with corticosteroid-induced ONFH.

Good mid-term clinical results of a cemented dual mobility cup: a single-centre experience

2017 ◽  
Vol 28 (1) ◽  
pp. 59-62 ◽  
Author(s):  
Gregor Kavčič ◽  
Pika Mirt ◽  
Klemen Bedenčič
Keyword(s):  
Final Analysis ◽  
Clinical Results ◽  
Harris Hip Score ◽  
Consecutive Series ◽  
Dual Mobility Cup ◽  
Dual Mobility ◽  
Single Centre Experience ◽  
The Mean ◽  
Hip Arthroplasties

Introduction and methods: From January 2004 to December 2008, 188 total hip arthroplasties were performed using a cemented dual mobility cup. 174 patients were available for final analysis. Their mean age was 76.8 (range 54-98 years). The mean follow-up was 7.7 years (range 5-10 years). Results: There were no dislocations. Survivorship rates of the femoral and acetabular components were 100% at a minimum of 5 years. At the latest follow-up, the mean Harris Hip Score significantly increased from 31.6 (only arthritic patients) points preoperatively to 84.5 points. No patients had progressive osteolysis, component migration, or loosening on radiographs. 2 patients presented with periprosthetic fractures treated conservatively. 2 patients presented with infection treated without implant removal and 1 patient presented with transient femoral palsy. Conclusions: The results of this consecutive series confirmed the good performance of the cemented dual mobility cup at mean 7.7 years follow-up with no revision and no dislocations.

In Search of the Spherical Femoroplasty: Cam Overresection Leads to Inferior Functional Scores Before and After Revision Hip Arthroscopic Surgery

2018 ◽  
Vol 46 (9) ◽  
pp. 2061-2071 ◽  
Author(s):  
Yosif Mansor ◽  
Itay Perets ◽  
Mary R. Close ◽  
Brian H. Mu ◽  
Benjamin G. Domb
Keyword(s):  
Femoral Head ◽  
Arthroscopic Surgery ◽  
Alpha Angle ◽  
Harris Hip Score ◽  
Level Of Evidence ◽  
Neutral Group ◽  
Common Procedure ◽  
Functional Scores ◽  
Before And After

Background: Femoroplasty performed for the treatment of cam-type femoroacetabular impingement (FAI) has become a common procedure. Underresection may result in residual FAI. Conversely, overresection may disrupt the labral seal, which is responsible for chondroprotective fluid dynamics of the hip. Hypothesis/Purpose: It was hypothesized that cam overresection negatively affects hip function. The purpose was to examine the effect of the accuracy of previous femoroplasty on hips presenting for revision hip arthroscopic surgery. Study Design: Cohort study; Level of evidence, 3. Methods: Data were prospectively collected for patients presenting for revision hip arthroscopic surgery between June 2010 and August 2014. On the basis of measurements on Dunn view radiographs, cases were divided into 3 groups: overresection (OR group) in which overresection measured over 5% of the diameter of the femoral head, underresection (UR group) in which there was a residual cam lesion (alpha angle >60°), and neutral resection (neutral group). Data collection included the modified Harris Hip Score (mHHS), Nonarthritic Hip Score (NAHS), Hip Outcome Score–Sports-Specific Subscale, and visual analog scale at presentation and at a minimum 2-year follow-up after revision hip arthroscopic surgery and rates of conversion to total hip arthroplasty (THA). Results: One hundred thirty hips (120 patients) were included. Twenty hips (15.4%) were classified as the OR group, 16 (12.3%) as the UR group, and 94 (72.3%) as the neutral group. The mean follow-up was 39.6 ± 15.9 months. The mHHS and NAHS values at presentation were lower in the OR group compared with the UR group (50.2 ± 15.5 vs 64.7 ± 19.4 [ P = .033] and 48.5 ± 18.6 vs 63.0 ± 19.1 [ P = .044], respectively). The mHHS value at a minimum 2-year follow-up after revision was lower for the OR group (66.7 ± 19.8) than for the UR group (81.0 ± 14.5) ( P = .031). Conversion to THA was more common in the OR group than in the UR group (30% vs 0%, respectively; P = .024). Fifty percent of cases in the OR group, 69.9% in the neutral group, and 75% in the UR group met the minimal clinically important difference for the mHHS (Δ). The latest mHHS value reached the patient acceptable symptomatic state (PASS) in 35% of the cases in the OR group, 53.2% in the neutral group, and 75% in the UR group. Hips in the OR group had a significantly lower chance of reaching the PASS than the UR group (odds ratio, 0.1795 [95% CI, 0.0418-0.7711]; P = .0209). Conclusion: Cam overresection of more than 5% of the diameter of the femoral head on the Dunn view predicts inferior clinical outcomes compared with cam underresection in this population. Furthermore, overresection predicts inferior outcomes after revision hip arthroscopic surgery and higher rates of conversion to THA.

scholarly journals The Early Outcome Of the Bernese Periacetabular Osteotomy For Hip Dysplasia In Multiple Epiphyseal Dysplasia

2021 ◽  
Author(s):  
Yao-Yuan Chang ◽  
Chia-Che Lee ◽  
Sheng-Chieh Lin ◽  
Ken N Kuo ◽  
Kuan-Wen Wu ◽  
...  
Keyword(s):  
Femoral Head ◽  
Statistical Significance ◽  
Periacetabular Osteotomy ◽  
Hip Osteoarthritis ◽  
Multiple Epiphyseal Dysplasia ◽  
Harris Hip Score ◽  
Joint Preserving Surgery ◽  
The Mean ◽  
Epiphyseal Dysplasia

Abstract Background:Multiple epiphyseal dysplasia (MED) is a rare congenital bone dysplasia. Patients with MED develop secondary hip osteoarthritis as early as third to the fourth decade. Currently, there is no consensus on how to prevent or slow the process of secondary hip osteoarthritis.The Bernese periacetabular osteotomy is a joint preserving surgery to reshape acetabulum and extend coverage for the hip, however, there is no established evidence of the effectiveness for the MED hips.Patients and methods:A retrospective series of 6 hips in 3 patients with multiple epiphyseal dysplasia treated with the Bernese periacetabular osteotomy were reviewed. The average age at the time of surgery was 14.3 years (range: 11.4 to 17.2 y). Radiographic parameters were analyzed preoperatively and 1-year postoperatively. The hip function was evaluated by the Harris Hip Score (HHS) before and after surgery. Results:The mean follow-up time was 1.7 years. The mean LCEA increased from 3.8° to 47.1° (p = .02), ACEA increased from 7.3° to 35.1° (p = .02), and AI decreased from 27.8° to 14.6° (p=.04). The femoral head coverage ratio increased from 66.8% to 100% (p= .02). The procedure achieved femoral head medialization by decreasing central head distance from 86.7mm preoperatively to 82.7mm postoperatively, however, without statistical significance. (p = .699). The improvement of clinical outcomes by mean HHS was significant from 67.3 preoperatively to 86.7 postoperatively (p=0.05).Conclusion:Bernese PAO is a feasible option for treatment of the hip problems in MED patients. It reshapes acetabular and femoral morphology 3-dimensionally. In our study, the short-term follow-up results showed obvious functional and radiographic improvement. A long-term follow-up is necessary in the future.

scholarly journals Prospective Analysis of Arthroscopic Hip Anatomic Labral Repair Utilizing Knotless Suture Anchor Technology: The Controlled-Tension Anatomic Technique at Minimum 2-Year Follow-up

2020 ◽  
Vol 8 (7) ◽  
pp. 232596712093507
Author(s):  
David R. Maldonado ◽  
Sarah L. Chen ◽  
Jeffery W. Chen ◽  
Jacob Shapira ◽  
Philip J. Rosinksy ◽  
...  
Keyword(s):  
Arthroscopic Surgery ◽  
Alpha Angle ◽  
Labral Tear ◽  
Labral Repair ◽  
Harris Hip Score ◽  
Labral Tears ◽  
Femoroacetabular Impingement Syndrome ◽  
Patient Reported ◽  
The Mean

Background: Labral tears are the most common abnormalities in patients undergoing hip arthroscopic surgery. Appropriate management is crucial, as it has been shown that better overall outcomes can be achieved with labral restoration. Purpose: To report the patient-reported outcomes (PROs) at minimum 2-year follow-up of patients who underwent hip arthroscopic surgery for labral tear repair using the knotless controlled-tension anatomic technique in the setting of femoroacetabular impingement syndrome (FAIS). Study Design: Case series; Level of evidence, 4. Methods: Data were prospectively collected for patients who underwent hip arthroscopic surgery for FAIS for labral tear repair using the knotless controlled-tension anatomic technique. Patients were excluded if they had prior hip conditions, prior ipsilateral surgery, Tönnis grade >1, a lateral center-edge angle (LCEA) <25°, or workers’ compensation claims. Preoperative and postoperative scores at minimum 2-year follow-up were recorded for the modified Harris Hip Score (mHHS), Nonarthritic Hip Score (NAHS), Hip Outcome Score–Sport-Specific Subscale (HOS-SSS), International Hip Outcome Tool (iHOT-12), and visual analog scale (VAS) for pain. The proportion of patients who achieved the minimal clinically important difference (MCID) or patient acceptable symptomatic state (PASS) for the mHHS, HOS-SSS, and iHOT-12 were also reported. Results: A total of 309 hips were included. The mean patient age was 36.2 years (range, 12.8-75.9 years). The mean preoperative LCEA and alpha angle were 31.9° and 57.1°, respectively. A significant improvement on the mHHS (62.6 ± 15.7 preoperatively vs 86.9 ± 16.2 at 2-year follow-up), NAHS (63.1 ± 16.7 vs 86.1 ± 16.7), and HOS-SSS (39.8 ± 22.0 vs 74.2 ± 27.3) was found ( P < .001 for all). A significant decrease was shown for VAS scores ( P < .001). Also, 78.6% and 82.2% of patients achieved the MCID and PASS for the mHHS, respectively; 60.8% and 69.9% of patients met the MCID and PASS for the HOS-SSS, respectively; and the MCID for the iHOT-12 was met by 77.3% of patients. Conclusion: In the setting of FAIS and labral tears, patients who underwent hip arthroscopic surgery for labral tear repair using the knotless controlled-tension anatomic technique demonstrated significant improvement in several validated PRO measures, the VAS pain score, and patient satisfaction at a minimum 2 years of follow-up. Based on this evidence, labral tear repair using the knotless controlled-tension anatomic technique seems to be a safe option.

Do Patients With Borderline Dysplasia Have Inferior Outcomes After Hip Arthroscopic Surgery for Femoroacetabular Impingement Compared With Patients With Normal Acetabular Coverage?

2017 ◽  
Vol 45 (9) ◽  
pp. 2116-2124 ◽  
Author(s):  
Gregory L. Cvetanovich ◽  
David M. Levy ◽  
Alexander E. Weber ◽  
Benjamin D. Kuhns ◽  
Richard C. Mather ◽  
...  
Keyword(s):  
Femoroacetabular Impingement ◽  
Arthroscopic Surgery ◽  
Harris Hip Score ◽  
Secondary Outcome ◽  
Acetabular Coverage ◽  
Female Patients ◽  
Capsular Plication ◽  
Outcome Scores ◽  
The Mean

Background: The literature contains conflicting reports regarding whether outcomes of hip arthroscopic surgery for patients with borderline dysplasia are inferior to outcomes in patients with normal acetabular coverage. Purpose: To assess differences in the outcomes of hip arthroscopic surgery for femoroacetabular impingement (FAI) in groups of patients with borderline dysplasia and normal coverage. Study Design: Cohort study; Level of evidence, 3. Methods: A registry of consecutive patients who had undergone primary hip arthroscopic surgery with capsular plication for FAI between January 2012 and January 2014 were divided based on the preoperative lateral center-edge angle (LCEA) into 2 distinct groups: (1) borderline dysplasia (LCEA 18°-25°) and (2) normal acetabular coverage (LCEA 25.1°-40°). There were 36 patients in the borderline dysplastic group and 312 patients in the normal coverage group. The primary outcome measure was the Hip Outcome Score–Activities of Daily Living (HOS-ADL) at a minimum of 2 years postoperatively. Secondary outcome measures included the HOS-Sports and modified Harris Hip Score (mHHS). Results: The mean preoperative LCEA differed significantly between groups (23.4° ± 1.5° for borderline dysplastic, 32.5° ± 3.8° for normal coverage; P < .001). The borderline dysplastic group had a higher percentage of female patients than the normal coverage group (27/36 [75%] vs 177/312 [57%], respectively; P = .048). There were no differences in other preoperative demographics and radiographic parameters. At a minimum 2 years after hip arthroscopic surgery (mean follow-up, 2.6 ± 0.6 years), both groups demonstrated significant improvements in all patient-reported outcome scores ( P < .001 in all cases). There were no significant differences between the borderline dysplastic and normal coverage groups in final outcome scores, score improvements, or percentage of patients experiencing clinically significant improvements. One patient in the borderline dysplastic group (3%) underwent revision hip arthroscopic surgery, and none underwent total hip arthroplasty during the follow-up period. There were no differences between the borderline dysplastic and normal coverage groups with regard to subsequent surgery. Female patients in the borderline dysplastic group had greater improvements in the mean HOS-ADL (25.9 ± 16.3 vs 10.8 ± 18.5, respectively; P = .05) and mHHS (27.9 ± 12.9 vs 8.1 ± 19.0, respectively; P = .005) compared with male patients in the borderline dysplastic group, but male and female patients did not differ in outcomes for the normal coverage group. Conclusion: Patients who underwent hip arthroscopic surgery for FAI with capsular plication experienced significant clinical improvements with low rates of subsequent surgery, regardless of whether their acetabulum had borderline dysplasia or normal coverage.

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