Athletes Undergoing Concomitant Hip Arthroscopy and Periacetabular Osteotomy Demonstrate Greater Than 80% Return-to-Sport Rate at 2-Year Minimum Follow-Up.

Purpose: To report minimum 2-year follow-up patient-reported outcomes and return-to-sport (RTS) rates in athletes undergoing concomitant hip arthroscopy and periacetabular osteotomy (PAO) to treat acetabular dysplasia and intra-articular pathologies such as cam deformity and labral tears.

Methods: We reviewed the data of consecutive athletes undergoing concomitant primary hip arthroscopy and PAO for acetabular dysplasia and cam deformity from November 2010 to December 2018. Patients were included in the study if they had the following preoperative and minimum 2-year postoperative scores: modified Harris Hip Score (mHHS), Nonarthritic Hip Score (NAHS), and Hip Outcome Score-Sport-Specific Subscale (HOS-SSS).

Pathologic Findings on Hip Arthroscopy in High-Level Athletes Competing in Flexibility Sports.

Background: Athletes who compete in flexibility sports (FS) place unique demands on their hip joints because of the supraphysiologic range of motion required.

Purpose: To compare the pathologic features, outcomes, and return-to-sports (RTS) rates of high-level athletes participating in FS who underwent hip arthroscopy for femoroacetabular impingement syndrome (FAIS) and labral tear against a propensity score-matched cohort of high-level athletes participating in non-flexibility sports (NFS).

Study Design: Cohort study; Level of evidence, 3.

Effect of Cigarette Smoking on Outcomes in Patients Undergoing Primary Hip Arthroscopy and Labral Reconstruction: A Propensity-Matched Controlled Study With Minimum 2-Year Follow-up.

Background: There is a paucity of literature evaluating the effect of cigarette smoking on outcomes in patients undergoing hip arthroscopy and labral reconstruction.

Purpose: (1) To report minimum 2-year patient-reported outcome (PRO) scores for patients who smoke cigarettes and underwent primary hip arthroscopic labral reconstruction and (2) to compare these results with those of a propensity-matched control group of patients who have never smoked.

Study Design: Cohort study; Level of evidence, 3.

The Fragility Index of Total Hip Arthroplasty Randomized Control Trials: A Systematic Review.

Introduction: Although randomized controlled trials (RCTs) are considered the benchmark study design, a change of outcomes for a few patients can lead to a reversal of study conclusions. As such, examination of the fragility index (FI) of RCTs has become an increasingly popular method to provide further information regarding the relative robustness of RCT results. The purpose of this study was to systematically characterize and assess the predictors of the FI RCTs in total hip arthroplasty literature.

After Revision Hip Arthroscopy, Patients Having Either Circumferential or Segmental Labral Reconstructions for the Management of Irreparable Labra Show Clinical Improvement Based on Proper Indications.

Purpose: To compare a minimum of two-year follow-up patient-reported outcome scores (PROs) in patients who underwent revision hip arthroscopy for acetabular circumferential labral reconstruction (CLR) and segmental labral reconstruction (SLR) using propensity-matched groups, in the setting of irreparable labral tear.

Methods: Prospectively collected data were retrospectively reviewed for patients who underwent revision hip arthroscopy from April 2010 to September 2018. Patients were included if they underwent labral reconstruction and had preoperative and minimum 2-year PROs.

Females and Males Achieved Comparable Outcomes and Clinical Benefits Following Primary Hip Arthroscopy with Labral Repair, but Age Affected Outcomes and Conversion to Total Hip Arthroplasty. A Short and Mid-Term Follow-Up Analysis with Dual Stratification.

Purpose: To report and compare, according to sex and age, minimum 2-and minimum 5-year patient-reported outcome scores (PROs) and survivorship in a large cohort of patients who underwent primary hip arthroscopy for femoroacetabular impingement syndrome (FAIS).

Methods: Data from February 2008 to September 2018 were reviewed. Patients aged 60 and younger who underwent primary hip arthroscopy with minimum 2-year follow-up were included.

Arthroscopic Subspine Decompression Is Commonly Reported in a Heterogenous Patient Population With Concomitant Procedures: A Systematic Review.

Purpose: To systematically review the evaluation, management, and surgical outcomes of arthroscopic subspine decompression in conjunction with other intra-articular hip preservation procedures.

Methods: Two databases (PubMed and Embase) were searched from 2010 to 2021, in accordance with Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines, for articles investigating arthroscopic subspine decompression using the key words: "subspine impingement", "AIIS impingement", and "extra-articular impingement." Exclusion criteria included diagnostic studies, failure to report postoperative outcomes, and case series of less than 10 hips.

Limited lumbopelvic mobility does not influence short-term outcomes after primary hip arthroscopy: a propensity-matched controlled study.

There is a paucity of literature investigating the effect of lumbopelvic mobility on patient-reported outcome scores (PROs) after primary hip arthroscopy. The purpose of this study was (i) to report minimum 1-year PROs in patients with limited lumbopelvic mobility (LM) who underwent primary hip arthroscopy for femoroacetabular impingement syndrome (FAIS) and (ii) to compare clinical results with a propensity-matched control group of patients with normal lumbopelvic mobility (NM). Data were reviewed for surgeries performed between November 2019 and March 2020.

Is there enough evidence to support hip capsular reconstruction? A systematic review of biomechanical studies.

The aim of this study was to review and summarize the available biomechanical data on hip capsular reconstruction to guide clinical decision-making. A literature search was completed in December 2020 using the Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines to identify biomechanical cadaver studies on hip capsular reconstruction, hip capsulectomy or hip capsular defect. The investigated parameters included maximum distraction force, capsular state affecting range of motion (ROM), rotation and translation.

High Body Mass Index Does Not Adversely Affect Outcomes in High-Level Athletes Undergoing Primary Hip Arthroscopy: A Propensity-Matched Comparison With Minimum 2-Year Follow-up.

Background: The effect of high body mass index (BMI) on outcomes in athletes has not been established.

Purpose: (1) To report minimum 2-year patient-reported outcome (PRO) scores and return to sports (RTS) for high-level athletes with high BMI undergoing hip arthroscopy for femoroacetabular impingement syndrome (FAIS) and (2) to compare results with a propensity-matched control group of high-level athletes with a normal BMI.

Study Design: Cohort study; Level of evidence, 3.

Low Body Mass Index in Females May Portend Inferior Outcomes After Primary Hip Arthroscopy: A Propensity-Matched Analysis With Minimum 2-Year Follow-up.

Background: There is a paucity of literature evaluating the effect of low body mass index (BMI) in female patients undergoing primary hip arthroscopy.

Purpose: (1) To report minimum 2-year patient-reported outcome scores for female patients with low BMI who underwent primary hip arthroscopy for femoroacetabular impingement syndrome and (2) to compare these results with a propensity-matched control group of female patients with normal BMI.

Study Design: Cohort study; Level of evidence, 3.

Isolated Endoscopic Gluteus Medius Repair Can Achieve Successful Clinical Outcomes at Minimum 2-Year Follow-up.

Purpose: To report on clinical presentations and outcomes in patients who underwent an isolated endoscopic gluteus medius (GM) repair.

Methods: We retrospectively reviewed and prospectively collected data on patients who underwent a primary isolated endoscopic GM repair. Patients were included if the following patient-reported outcome scores were obtained preoperatively and at minimum 2-year follow-up: modified Harris Hip Score (mHHS), Non-arthritic Hip Score (NAHS), and visual analog scale (VAS) score.

Younger Age, Capsular Repair, and Larger Preoperative Alpha Angles Are Associated With Earlier Achievement of Clinically Meaningful Improvement After Hip Arthroscopy for Femoroacetabular Impingement Syndrome.

Purpose: The purpose of the study was to analyze demographic, radiographic, and intraoperative factors that influence the time to achieve the minimal clinically important difference (MCID) and maximum outcome improvement satisfaction threshold (MOIT) after primary hip arthroscopy for femoroacetabular impingement syndrome (FAIS) and labral tear.

Methods: Included patients had undergone hip arthroscopy with labral repair or reconstruction for FAIS with labral tear between February 2008 and October 2018. Patients were excluded if they had a prior ipsilateral hip surgery, prior hip conditions, a Tonnis grade > 1, or were unwilling to participate.

Earlier Treatment Yields Superior Outcomes in Competitive Athletes Undergoing Primary Hip Arthroscopy.

Purpose: To report minimum 2-year patient-reported outcome scores (PROs) and return to sport (RTS) for competitive athletes undergoing primary hip arthroscopy for femoroacetabular impingement syndrome within 1 year of symptom onset and to compare these results with a propensity-matched control group of competitive athletes with symptoms for over 1 year.

Methods: Data on professional, collegiate, high-school, and organized amateur athletes who underwent primary hip arthroscopy within 1 year of symptom onset between April 2008 and November 2017 were collected. RTS and minimum 2-year PROs were collected for the modified Harris Hip Score (mHHS), Non-arthritic Hip Score (NAHS), Hip Outcome Score-Sport Specific Subscale (HOS-SSS), International Hip Outcome Tool (iHOT-12), and visual analog pain scale (VAS).

Favorable Outcomes of Revision Hip Arthroscopy Irrespective of Whether Index Surgery was Performed by the Same Surgeon or a Different Surgeon.

Introduction: The purpose of this study was to compare minimum 2-year patient-reported outcomes (PROMs) after revision hip arthroscopy between two different patient cohorts who had undergone primary hip arthroscopy with the same surgeon (SS) and a different surgeon (DS). We hypothesized no difference in clinical outcomes between the groups despite differences in intraoperative findings based on the surgical decision making in a revision setting at a high-volume center.

Methods: Between January 2012 and August 2017, 71 SS patients were matched for age, sex, body mass index, and follow-up to 71 DS patients.

In-line Pullout Strength of 2 Acetabular Fixation Methods for Ligamentum Teres Reconstruction of the Hip: A Cadaveric Study.

Background: Ligamentum teres (LT) reconstruction is an appropriate alternative in select cases of LT full-thickness tears, resulting in hip micro- or macroinstability. Graft fixation at the acetabular fossa is critical to achieving the best functional results.

Purpose: The purpose of this study is to compare the pullout strength of 2 graft fixation methods used for LT reconstruction of the hip.

High-Level Athletes Who Did Not Return to Sport for Reasons Unrelated to Their Hip Achieve Successful Midterm Outcomes With a Benchmarking Against High-Level Athletes Who Returned to Sport.

Purpose: 1) To report minimum 2- and 5-year outcomes of high-level athletes who did not return to sport (RTS) after hip arthroscopy for reasons unrelated to their hip (T athletes) and 2) to benchmark these findings against a propensity-matched control group of high-level athletes who returned to sport (RTS athletes).

Methods: Data were prospectively collected and retrospectively reviewed for professional, collegiate, and high school athletes between April 2008 and October 2015, who underwent primary hip arthroscopy. Athletes were considered eligible if they did not return to sport for reasons unrelated to their hip such as loss of interest, graduation, or a lifestyle transition (T athletes).

Predictors of Achieving the Patient Acceptable Symptomatic State at Minimum 5-Year Follow-up Following Primary Hip Arthroscopy in the Adolescent Athlete.

Background: Predictors of outcomes in adolescent athletes undergoing hip arthroscopy have not been established. The purpose of this study was to identify factors correlated with achieving the Patient Acceptable Symptomatic State (PASS) for the Hip Outcome Score-Sports Specific Subscale (HOS-SSS) at a minimum 5-year follow-up in adolescent athletes undergoing primary hip arthroscopy.

Methods: Data were reviewed on adolescent (below 18 y old) athletes who underwent primary hip arthroscopy for femoroacetabular impingement syndrome between March 2008 and October 2015.

Nonarthritic Hip Pathology Patterns According to Sex, Femoroacetabular Impingement Morphology, and Generalized Ligamentous Laxity.

Background: Sex differences are frequently encountered when diagnosing orthopaedic problems. Current literature suggests specific sex differences, such as a higher prevalence of cam-type femoroacetabular impingement syndrome in male patients and features of hip instability in female patients.

Purpose: To identify hip pathology patterns according to sex, alpha angle deformity, and generalized ligamentous laxity (GLL) in a nonarthritic patient population that underwent primary hip arthroscopy in the setting of femoroacetabular impingement syndrome and labral tears.

Clinical Outcomes and Reoperation Rates After Hip Arthroscopy in Female Athletes With Low Versus Normal Body Mass Index: A Propensity-Matched Comparison With Minimum 2-Year Follow-up.

Background: The effect of low body mass index (BMI) on outcomes in female athletes is unknown.

Purpose: (1) To report minimum 2-year patient-reported outcomes and return to sports for high-level female athletes with low BMI undergoing hip arthroscopy for femoroacetabular impingement syndrome and (2) to compare results with those of a propensity-matched control group of high-level female athletes with a normal BMI.

Study Design: Cohort study; Level of evidence, 3.

Return to Sports and Minimum 2-Year Outcomes of Hip Arthroscopy in Elite Athletes With and Without Coexisting Low Back Pain: A Propensity-Matched Comparison.

Background: Patient-reported outcomes (PROs) and return to sports (RTS) after hip arthroscopy for femoroacetabular impingement syndrome (FAIS) have not been established in elite athletes with coexisting low back pain (LBP).

Purpose: (1) To report minimum 2-year PROs and RTS rates after primary hip arthroscopy for FAIS in elite athletes with coexisting LBP and (2) to compare clinical results with a propensity-matched control group of elite athletes without back pain.

Study Design: Cohort study; Level of evidence, 3.

Endoscopic Shelf Procedure and Ischiofemoral Decompression with Arthroscopic Acetabular Labral Reconstruction: A Case Report.

Case: A 43-year-old female patient complained of pain in the right hip. The diagnoses of hip dysplasia, ischiofemoral impingement (IFI), femoroacetabular (FAI) cam-type morphology, and labral tear were made. The patient underwent hip arthroscopy with labral reconstruction for an irreparable labral tear and cam-morphology correction, and hip endoscopy for shelf procedure and ischiofemoral decompression.

Circumferential and Segmental Arthroscopic Labral Reconstruction of the Hip Utilizing the Knotless Pull-Through Technique with All-Suture Anchors.

Appropriate labral tear management is one of the principal priorities of hip-preservation surgery. The labrum's role in the stability and biomechanics of the hip and preservation of the suction seal has been thoroughly demonstrated. Favorable patient-reported outcomes with labral reconstruction and, more recently, labral augmentation have shown that these are viable reconstructive procedures in the setting of irreparable labra.

Equality in Hip Arthroscopy Outcomes Can Be Achieved Regardless of Patient Socioeconomic Status.

Background: Access to quality health care and treatment outcomes can be affected by patients' socioeconomic status (SES).

Purpose: To evaluate the effect of patient SES on patient-reported outcome measures (PROMs) after arthroscopic hip surgery.

Study Design: Cohort study; Level of evidence, 3.