Complications and Short-Term Patient Outcomes of Periacetabular Osteotomy for Symptomatic Mild Hip Dysplasia

2016 ◽  
Vol 27 (1) ◽  
pp. 42-48 ◽  
Author(s):  
Benjamin F. Ricciardi ◽  
Kara G. Fields ◽  
Catherine Wentzel ◽  
Danyal H. Nawabi ◽  
Bryan T. Kelly ◽  
...  
Keyword(s):  
Functional Outcome ◽  
Acetabular Dysplasia ◽  
Periacetabular Osteotomy ◽  
Harris Hip Score ◽  
Severe Dysplasia ◽  
Complication Rates ◽  
Radiographic Findings ◽  
Mild Dysplasia ◽  
Early Functional Outcome ◽  
Outcome Scores

Introduction The purpose of our study is to identify complications and early functional outcome scores in patients treated with periacetabular osteotomy (PAO) for mild acetabular dysplasia. Methods The study population consisted of patients from a single centre prospective hip registry undergoing PAO with mild acetabular dysplasia (LCEA ≥18° and ≤25°; n = 27 patients; Mild Dysplasia group). A comparison group of patients undergoing PAO with more severe acetabular dysplasia (lateral centre-edge angle [LCEA] ≤17°; n = 50 patients; Severe Dysplasia group) were included as a comparison cohort. Demographics, radiographic findings, complications, and functional outcome scores were recorded at 6 months, 1 year, and 2 years postoperatively (mean 15 months [range 6-30]). Results Demographic characteristics were similar in patients with mild dysplasia undergoing PAO compared with more severe dysplasia. Achievement of radiological correction and complication rates were not different between the 2 groups. Functional outcome scores showed similar improvements in modified Harris Hip Score (mHHS), hip outcome score (HOS) activities of daily living (ADL), HOS Sport, and the international Hip Outcome Tool-33 (iHOT-33) at all time points between the 2 groups with over 90% of patients in the mild dysplasia group achieving a minimum important change (MIC) in functional outcome scores at final follow-up. Discussion Patients with symptomatic mild acetabular dysplasia undergoing PAO have similar complication rates and functional outcomes as a cohort of patients with more severe dysplasia.

Correction of mildly dysplastic hips with periacetabular osteotomy demonstrates promising outcomes, achievement of correction goals, and excellent five-year survivorship

2019 ◽  
Vol 101-B (6_Supple_B) ◽  
pp. 16-22 ◽  
Author(s):  
A. T. Livermore ◽  
L. A. Anderson ◽  
M. B. Anderson ◽  
J. A. Erickson ◽  
C. L. Peters
Keyword(s):  
Outcome Measures ◽  
Periacetabular Osteotomy ◽  
Severe Dysplasia ◽  
Free Survival ◽  
Mild Dysplasia ◽  
Significant Difference ◽  
Patient Reported ◽  
Radiological Measurements ◽  
The Mean

Aims The aim of this study was to compare patient-reported outcome measures (PROMs), radiological measurements, and total hip arthroplasty (THA)-free survival in patients who underwent periacetabular osteotomy (PAO) for mild, moderate, or severe developmental dysplasia of the hip. Patients and Methods We performed a retrospective study involving 336 patients (420 hips) who underwent PAO by a single surgeon at an academic centre. After exclusions, 124 patients (149 hips) were included. The preoperative lateral centre-edge angle (LCEA) was used to classify the severity of dysplasia: 18° to 25° was considered mild (n = 20), 10° to 17° moderate (n = 66), and < 10° severe (n = 63). There was no difference in patient characteristics between the groups (all, p > 0.05). Pre- and postoperative radiological measurements were made. The National Institute of Health’s Patient Reported Outcomes Measurement Information System (PROMIS) outcome measures (physical function computerized adaptive test (PF CAT), Global Physical and Mental Health Scores) were collected. Failure was defined as conversion to THA or PF CAT scores < 40, and was assessed with Kaplan–Meier analysis. The mean follow-up was five years (2 to 10) ending in either failure or the latest contact with the patient. Results There was no significant difference in PROMs for moderate (p = 0.167) or severe (p = 0.708) groups compared with the mild dysplasia group. The numerical pain scores were between 2 and 3 units in all groups at the final follow-up (all, p > 0.05). There was no significant difference (all, p > 0.05) in the proportion of patients achieving target correction for the LCEA between groups. The mean correction was 12° in the mild, 15° in the moderate (p = 0.135), and 23° in the severe group (p < 0.001). Failure-free survival at five years was 100% for mild, 79% for moderate, and 92% for severely dysplastic hips (p = 0.225). Conclusion Although requiring less correction than hips with moderate or severe dysplasia, we found PAO for mild dysplasia to be associated with promising PROMs, consistent with that of the general United States population, and excellent survivorship at five years. Future studies should compare these results with the outcome after arthroscopy of the hip in patients with mild dysplasia. Cite this article: Bone Joint J 2019;101-B(6 Supple B):16–22.

The Addition of Hip Arthroscopy to Periacetabular Osteotomy Does Not Increase Complication Rates: A Prospective Case Series

2019 ◽  
Vol 47 (3) ◽  
pp. 543-551 ◽  
Author(s):  
Casey M. Sabbag ◽  
Jeffrey J. Nepple ◽  
Cecilia Pascual-Garrido ◽  
Gopal R. Lalchandani ◽  
John C. Clohisy ◽  
...  
Keyword(s):  
Hip Arthroscopy ◽  
Acetabular Dysplasia ◽  
Periacetabular Osteotomy ◽  
Case Series ◽  
Hazard Ratio ◽  
Acetabular Retroversion ◽  
Complication Rates ◽  
Reoperation Rates ◽  
Grade Iii

Background: Previous studies on periacetabular osteotomy (PAO) reported complication and reoperation rates of 5.9% and 10%, respectively. Hip arthroscopy is increasingly utilized as an adjunct procedure to PAO to precisely treat associated intra-articular pathology. The addition of this procedure has the potential of further increasing complication rates. Purpose: To determine the rates of complication and reoperation of combined hip arthroscopy and PAO for the treatment of acetabular deformities and associated intra-articular lesions. Study Design: Case series; Level of evidence, 4. Methods: Using a prospective database, the authors retrospectively reviewed 248 hips (240 patients) that underwent combined hip arthroscopy and PAO between 2007 and 2016. Data were collected at scheduled follow-up visits at approximately 1 month, 3 to 4 months, and 1 and 2 years after surgery. Mean follow-up from surgery was 3 years (range, 1-8 years). A total of 220 PAOs were done for symptomatic acetabular dysplasia, 18 for symptomatic acetabular retroversion, and 10 for combined acetabular dysplasia and acetabular retroversion. Central compartment arthroscopy was performed for treatment of intra-articular chondrolabral pathology in all cases. Select cases underwent femoral head-neck junction osteochondroplasty either arthroscopically before the PAO or through an open approach after it. Complications were graded according to the modified Dindo-Clavien complication scheme, which was validated for hip preservation procedures. Reoperations (excluding hardware removal) were recorded. Results: Grade III complications occurred among 7 patients (3%) while there were no grade IV complications. Grade III complications included deep infection (n = 3), wound dehiscence (n = 1), hematoma requiring exploration (n = 1), symptomatic heterotopic ossification requiring excision (n = 1), and deep venous thrombosis (n = 1). There were 13 reoperations (5%), and 3 were repeat hip arthroscopy. Univariate Cox hazard models were used to estimate the relative risk factors for complication and reoperation. Increased age (per decade) showed over twice the increased likelihood for complications (hazard ratio, 2.5; 95% CI, 1.67-3.74). Also, preoperative diagnosis of acetabular retroversion, not acetabular dysplasia, showed >3 times the increased risk of reoperation (hazard ratio, 3.05; 95% CI, 1.41-6.61). Conclusion: The rate of complications reported is comparable (3%) with previously published complication rates of PAO without hip arthroscopy. In this cohort, increasing age and diagnosis of acetabular retroversion were associated with higher complication and reoperation rates.

scholarly journals Outcomes of periacetabular osteotomy for borderline hip dysplasia in adolescent patients

2020 ◽  
Vol 7 (2) ◽  
pp. 249-255
Author(s):  
Ishaan Swarup ◽  
Ira Zaltz ◽  
Stacy Robustelli ◽  
Ernest Sink
Keyword(s):  
Hip Arthroscopy ◽  
Acetabular Dysplasia ◽  
Periacetabular Osteotomy ◽  
Hip Pain ◽  
Center Edge ◽  
Outcome Scores ◽  
Adolescent Patients ◽  
History Of ◽  
Outcome Tool

Abstract Treatment of borderline acetabular dysplasia (lateral center edge angle ≥18°) remains controversial, and there is a paucity of literature focusing on outcomes in adolescent patients. The purpose of this study was to evaluate the outcomes of a periacetabular osteotomy (PAO) as surgical management of borderline acetabular dysplasia in adolescent patients. We performed a retrospective review of prospectively collected data and included patients ≤ 21 years of age that underwent PAO for borderline acetabular dysplasia. All patients had a minimum of 1-year follow-up. Outcomes were assessed using modified Harris Hip Scores (mHHS), Hip Outcome Scores (HOS) and international Hip Outcome Tool (iHOT-33). Descriptive and univariate statistical analyses were performed. This study included 33 adolescent patients (35 hips) with symptomatic, borderline acetabular dysplasia. The majority of patients was female (32 patients, 97%); half of all patients reported a history of hip pain for over 1 year; and seven patients had previous hip arthroscopy. In addition to PAO, seven hips (20%) underwent a concurrent hip arthroscopy at the time of surgery. There were significant improvements in mean mHHS, HOS-activities of daily living (ADL), HOS-Sport and iHOT-33 scores after surgery (P &lt; 0.01). Minimal clinically important difference in outcome scores was achieved for over 90% of patients at a minimum of 1-year follow-up. Borderline acetabular dysplasia is a major cause of hip pain in adolescent patients. Patients with symptomatic borderline acetabular dysplasia report a significant benefit after a PAO to correct structural hip instability.

scholarly journals Pelvic osteotomies for acetabular dysplasia: Are there outcomes, survivorship and complication differences between different osteotomy techniques?

2021 ◽  
Author(s):  
Edward C Beck ◽  
Anirudh K Gowd ◽  
Katlynn Paul ◽  
Jorge Chahla ◽  
Alejandro J Marquez-Lara ◽  
...  
Keyword(s):  
Hip Dysplasia ◽  
Periacetabular Osteotomy ◽  
Pelvic Osteotomy ◽  
Harris Hip Score ◽  
Rotational Acetabular Osteotomy ◽  
Complication Rates ◽  
Radiographic Measurements ◽  
Wide Range ◽  
Patient Reported ◽  
Pao Surgery

Abstract The purpose of this study was to evaluate the safety and efficacy of Periacetabular osteotomy (PAO), rotational acetabular osteotomy (RAO), and eccentric rotational acetabular osteotomy (ERAO) for treating hip dysplasia by comparing complication rates, survivorship, and functional outcomes after treatment. A systematic review in the MEDLINE and CINAHL databases was performed, and studies reporting outcomes after pelvic osteotomy for hip dysplasia with a minimum of 1-year follow-up or reported postoperative complications was included. Patient demographics, radiographic measurements, patient reported outcomes including the modified Harris hip score (mHHS), complications using the modified Clavien-Dindo classification, and reoperations were extracted from each study. A meta-analysis of outcome scores, complications, change in acetabular coverage, and revision rates for the 3 pelvic osteotomies was performed. A total of 47 articles detailing outcomes of 6,107 patients undergoing pelvic osteotomies were included in the final analysis. When stratified by procedure, RAO had a statistically greater change in LCEA when compared to PAO (33.9° vs 18.0°; P &lt;0.001). The average pooled mHHS improvement was 15.6 (95% CI: 8.3–22.8, I2= 99.4%). Although ERAO had higher mean score improvements when compared to RAO and PAO, the difference was not statistically significant (P &gt;0.05). Lastly, patients undergoing PAO had a statistically greater complication rate than those undergoing ERAO and RAO (P &lt;0.001 for both), while revision rate was not statistically different between the 3 techniques. In summary, there are many more publications on PAO surgery with a wide range of reported complications. Complications after ERAO and RAO surgery are lower than PAO surgery in the literature, but it is unclear whether this represents an actual difference or a reporting bias. Lastly, there are no significant differences between revisions, or postoperative reported outcomes between the 3 techniques.

Clinical and Functional Outcomes of Total Knee Arthroplasty in Sarcopenia: A Case–Control Retrospective Cohort Study

2021 ◽  
Author(s):  
Zili He ◽  
Jie Cai ◽  
Xingyu Wang ◽  
Di Lu
Keyword(s):  
Total Knee Arthroplasty ◽  
Health Status ◽  
Functional Outcome ◽  
Knee Arthroplasty ◽  
Multivariate Logistic Regression Analysis ◽  
Control Group ◽  
Complication Rates ◽  
Patient Reported ◽  
Outcome Scores ◽  
Total Knee

Abstract Background The aim of the study was to investigate the relationship between sarcopenia and both clinical and functional outcome scores following total knee arthroplasty (TKA) performed for patients over 65 years of age. Methods We assessed patient demographics, preoperative health status, postoperative Knee Society Clinical (KSS-C) and Function (KSS-F) subscores, and perioperative complications for 180 patients with sarcopenia and 345 comparatively healthy patients at a mean of 12.0 months after surgery. Multivariate logistic regression analysis was performed to define whether sarcopenia was an independent risk factor for lower KSS-F and KSS-C subscores and peroperative complication rates. Patients with sarcopenia had lower mean body mass index, preoperative albumin, and preoperative hemoglobin levels (p < 0.01). Results Compared with the healthy control group, patients with sarcopenia had lower KSS-C (83.0 vs. 88.2, p < 0.01) and KSS-F (79.2 vs. 86.1, p < 0.01) subscores and increased postoperative complication rates (14.1% vs. 4.1%, p < 0.01). Conclusion Patients with sarcopenia present with generally poorer preoperative health and this appears to be associated with lower patient-reported clinical and functional outcome scores. Complication rates were higher among patients with sarcopenia who were still determined to have adequate health status to support TKA. Most complications were limited and could be managed with supportive treatment.

Transpositional Periacetabular Osteotomy with Allografting in Patients with Severe Dysplasia: Mid-Term Results

2016 ◽  
Vol 27 (1) ◽  
pp. 35-41 ◽  
Author(s):  
Motoki Sonohata ◽  
Yutaka Yonekura ◽  
Masaru Kitajima ◽  
Syunsuke Kawano ◽  
Masaaki Mawatari
Keyword(s):  
Acetabular Dysplasia ◽  
Periacetabular Osteotomy ◽  
Clinical Results ◽  
Harris Hip Score ◽  
Acetabular Roof ◽  
Allogenic Bone ◽  
Edge Angle ◽  
Centre Edge Angle ◽  
Acetabular Head Index

Aim The purpose of this study was to analyse the extent of surgical correction and the early clinical results obtained using periacetabular osteotomy with allogenic bone grafting in patients with severe acetabular dysplasia. Methods 44 hips in 38 patients were confirmed to have severe acetabular dysplasia and underwent this procedure. The mean follow-up period was 4.2 (range 1.5-8.2) years. Severe acetabular dysplasia was defined as a centre-edge angle less than 0°, an acetabular-head index less than 50% and an acetabular roof obliquity greater than 30°. Periacetabular osteotomy was performed with transpositional osteotomy of the acetabulum. The patients were divided into 2 groups according to the radiographic appearance: 34 hips in the early stage group and 10 hips in the advanced stage group. Postoperatively, the hips were radiographically assessed for dysplasia correction. The clinical results and hip function were measured using the Harris Hip Score. Results The average pre-operative Harris Hip Score improved from 70 to 91 points at the latest follow-up. The average centre-edge angle, acetabular-head index and acetabular roof obliquity improved from −9° to 36°, 41% to 91% and 31° to 2°, respectively. Continuity of the Shenton line improved from 15 to 35 hips. No instances of nonunion or of transported segment collapse were encountered in this series; however, a grafted allogenic bone was absorbed in 1 case. Conclusions The usage of allogenic bone grafting combined with periacetabular osteotomy is an effective technique for treating severe acetabular dysplasia. In this series, the early clinical and radiographic results were excellent.

Outcome after osteochondroplasty and relative neck lengthening for patients with healed Legg-Calvé-Perthes disease: a retrospective cohort study of patients with hip-deformities treated with osteochondroplasty and relative neck lengthening

2019 ◽  
pp. 112070001989676 ◽  
Author(s):  
Olof Risto ◽  
Sofia Sandquist ◽  
Stefan Lind ◽  
Sanjeev Madan
Keyword(s):  
Retrospective Cohort ◽  
Acetabular Dysplasia ◽  
Periacetabular Osteotomy ◽  
Age At Onset ◽  
Hip Dislocation ◽  
Cross Sectional Study ◽  
Perthes Disease ◽  
Harris Hip Score ◽  
Cross Sectional ◽  
Stulberg Classification

Aims: Our main objectives were to evaluate the effect of surgery using self-assessed health scores. Secondary objectives were to correlate outcome with grade of deformity (Stulberg classification I–V) or age at surgery and whether additional periacetabular osteotomy (PAO) is beneficial for patients with concurrent acetabular dysplasia. Methods: This was a retrospective cohort and in part a cross sectional study using a planned clinical and radiological follow-up of patients. All patients with healed Legg-Calvé-Perthes disease (LCPD) treated with osteochondroplasty and relative neck lengthening using surgical hip dislocation, with or without periacetabular osteotomy (PAO) were included. A total of 39 patients were identified and invited to participate (29 males and 10 females) of which 32 accepted. Radiographic assessment and Stulberg classification were obtained. The Nonarthritic Hip Score (NAHS), modified Harris Hip Score (mHHS) and the VAS scale of EQ-5D-5L were used. Results: The majority of the patients experienced improvement (74%, n = 27) and 21 patients (78%, n = 27) found the surgery worthwhile. Preoperative Stulberg II and III patients (83% improvement) showed better results than Stulberg IV and V patients (56% improvement) ( n = 27, p = 0.121). There was significantly better patient-satisfaction for those younger than 29 years of age (⩽18 years old (92%), 19–28 years old (89%), ⩾29 years old (67%), x2(2) = 8512, n = 27, p = 0.022) and a negative correlation for age at onset of LCPD and mHHS ( r = –0.420, p = 0.046, n = 23). Patients with concurrent acetabular dysplasia ( n = 19), 82% (9 of 11) improved after additional PAO compared to 63% (5 of 8) who were not operated on with PAO. Conclusion: This procedure is worthwhile in selected cases except for severe deformity (Stulberg IV and V) and patients >28 years of age.

scholarly journals A prospective comparative study of Proximal Femoral Nailing Anti-rotation (PFNA) and Sliding Hip Screw (SHS) for Per-trochanteric Femur Fracture

2020 ◽  
Vol 24 (2) ◽  
pp. 156-160
Author(s):  
Amer Khan ◽  
Muhammad Ali ◽  
Ayesha Tahir ◽  
Muhammad Saleem ◽  
Usman Sarwar ◽  
...  
Keyword(s):  
Hospital Stay ◽  
Functional Outcome ◽  
Femur Fracture ◽  
Weight Bearing ◽  
Harris Hip Score ◽  
Complication Rates ◽  
Sliding Hip Screw ◽  
Femoral Nailing ◽  
Hip Screw ◽  
Proximal Femoral Nailing

Objectives: To determine the functional outcome, operative risks, rate of union, and complication in Per-trochanteric  Fracture fixed with PFNA and SHS. Material and Methods: The present study has been conducted at Shalamar Medical and Dental College Lahore from January 2018 to December 2018.40 patients with per-trochanteric femur fracture treated with proximal femoral nailing anti-rotation (PFNA)  and Sliding hip screw (SHS) were enrolled in our study.20 patients were treated by PFNA and 20 patients by SHS. Timing of surgery, mobilization status, hospital stay, infection, weight-bearing status, radiological union, complications both technical and implant-related, amount of blood loss(ml), C ARM Exposures, and Harris hip score at the end of 6 months were recorded. Results: Union was better in the PFNA group (95%) as compared to the SHS group (85%). Complication rate, hospital stay, surgery timing, and requirement of revision surgery were more in the SHS group. The functional outcome was better in the PFNA group as compared to the SHS group. Conclusion: From our study, we concluded that PFNA is a better alternative than SHS in terms of higher union rates, low complication rates, and better functional outcomes.  

Reverse the Trend for Proximal Humeral Fractures: A Review of the Evidence for the Use of Reverse Shoulder Replacement in Acute Trauma

2012 ◽  
Vol 4 (4) ◽  
pp. 237-243
Author(s):  
Clare Taylor ◽  
Thomas Cosker ◽  
Christopher Smith
Keyword(s):  
Systematic Review ◽  
Functional Outcome ◽  
Proximal Humeral Fractures ◽  
Humeral Fractures ◽  
Complication Rates ◽  
Shoulder Replacement ◽  
Acute Trauma ◽  
Outcome Scores ◽  
Reverse Shoulder Replacement

Background Proximal humeral fractures in the elderly population represent a particularly demanding subset of fractures. These have been traditionally treated with Hemi-arthroplasty (HA). Recently there has been a trend towards using a Reverse shoulder replacement (RSR) in some of these patients. The primary aim of the study was to systematically review the literature on the functional outcome scores for RSR in proximal humeral fractures and compare it with the best quality literature available for HA. Secondarily to compare range of movement, complication rates, re-operation rates and x-ray changes. Methods A systematic review of the literature was performed using the keywords: Delta, inverse, shoulder, trauma, and fracture. Only studies with 10 patients or more, presenting new data on the functional outcome scores of RSR for acute trauma were included. Studies reporting the use of RSR for fracture sequalae were excluded. These results were compared to the most comprehensive and up to date literature available for HA for proximal humeral fractures. Results Eight papers met the full inclusion and exclusion criteria. Data was available for 178 patients with a minimum follow-up of only 3 months. The mean absolute constant score for RSR patients was 54% and 57% for HA patients. RSR had an infection rate of 3%, a dislocation rate of 4% and an overall re-operation rate of 5.6%. Conclusion Functional outcomes and range of movements achieved by RSR seem to be similar to those achieved by HA and may eventually be proven to have better outcomes in a certain sub-group of patients. However, there is currently less than 200 patients reported in the literature with a very short term follow-up. RSR is more expensive than HA, and there is a definite learning curve associated with this prosthesis. Although RSR may be valuable in patients where a traditional HA is deemed not suitable, caution must be used until better quality research is available. Level of evidence: Level III systematic review of Level III studies

scholarly journals Atypical Hip Pain in Femoroacetabular Impingement: A Comparison of Outcomes Based on Primary Hip Pain Location

2019 ◽  
Vol 48 (1) ◽  
pp. 167-172
Author(s):  
Mathew J. Hamula ◽  
Michael K. Ryan ◽  
Samuel L. Baron ◽  
David A. Bloom ◽  
Thomas Youm
Keyword(s):  
Functional Outcome ◽  
Femoroacetabular Impingement ◽  
Hip Arthroscopy ◽  
Groin Pain ◽  
Patient Characteristics ◽  
Hip Pain ◽  
Harris Hip Score ◽  
Spine Pathology ◽  
Outcome Scores

Background: Patients with symptomatic femoroacetabular impingement (FAI) typically have anterior groin pain. However, a subset of these patients may have pain located laterally, posteriorly, or in a combination of locations around the hip. Purpose: To report and compare outcomes of hip arthroscopy for patients with FAI and atypical hip pain versus classic anterior groin pain. Study Design: Cohort study; Level of evidence, 2. Methods: Consecutive patients undergoing hip arthroscopy for FAI between August 2011 and March 2013 were identified. A total of 258 patients were identified as having symptomatic FAI based on clinical, radiographic, and advanced imaging diagnosis of FAI. Exclusion criteria included isolated thigh, knee, or low back pain. We also excluded patients with hip abductor pathology and trochanteric bursitis. Of the 226 patients ultimately included, 159 (70.4%) reported anterior groin pain, while 67 (29.6%) reported isolated lateral or posterior hip pain or a combination of locations. Patients were categorized into 4 groups: isolated anterior groin pain, lateral hip pain, posterior hip pain, and multiple primary hip pain locations (combined). These patients were followed prospectively with a minimum follow-up of 2 years. Patient characteristics, surgical characteristics, modified Harris Hip Score (mHHS), Non-arthritic Hip Score (NAHS), revision hip arthroscopy, and conversions to total hip arthroplasty (THA) were recorded. Results: All 226 patients were included at final follow-up. Hip arthroscopy was performed by a single sports medicine fellowship-trained orthopaedic surgeon. Preoperative patient characteristics and baseline functional outcome scores did not significantly differ among groups. All 4 groups showed statistically significant improvements in mHHS and NAHS from baseline to final follow-up of a mean 2.63 years (range, 2.01-3.23 years). Functional outcome scores and rates of revision hip arthroscopy or conversion to THA did not significantly differ between groups. Conclusion: Hip arthroscopy can effectively improve patient outcomes in atypical hip pain. A careful history and physical examination should identify this clinically meaningful subset of patients with FAI who can benefit from surgical intervention while identifying patients with concomitant posterior extra-articular hip or spine pathology that should be addressed appropriately.

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