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Sun Y, Liu R, Tian Y, Fu Q, Zhao Y, Xu Y, Cui L. Ultrasound Assessment of Hip Subspine Bone Morphology Soft-tissue Correlates with Clinical Diagnosis of Impingement. Arthroscopy 2023; 39:2144-2153. [PMID: 37100213 DOI: 10.1016/j.arthro.2023.03.024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/28/2022] [Revised: 03/10/2023] [Accepted: 03/23/2023] [Indexed: 04/28/2023]
Abstract
PURPOSE To determine the ultrasound imaging manifestations associated with subspine impingement (SSI), including the osseous and soft-tissue injuries adjacent to anterior inferior iliac spine (AIIS) and to investigate the diagnostic value of ultrasound for SSI. METHODS We retrospectively evaluated patients who attended the sports medicine department of our hospital and underwent arthroscopic treatment for femoroacetabular impingement (FAI) between September 2019 and October 2020, with preoperative hip joint ultrasound and computed tomography (CT) examination within 1 month before surgery. All of the FAI patients were divided into the SSI group and non-SSI group, according to the clinical and intraoperative findings. The preoperative ultrasound and CT findings were assessed. The sensitivity, specificity, and positive predictive value (PPV) of some indicators were calculated and compared. Multivariable logistic regression and receiver operating characteristic curve (ROC) were also used. RESULTS A total of 71 hips were included, with a mean age of 35.4 ± 10.4 years, 56.3% were women. Of these, 40 hips had clinically confirmed SSI. The bone morphology type III, heterogeneous hypoecho in anterosuperior joint capsule and the direct head of rectus femoris (dRF) tendon adjacent to AIIS on the Standard Section of the dRF in ultrasound were associated with SSI. Among them, the heterogeneous hypoecho in the anterosuperior joint capsule had the best diagnostic value for the SSI (85.0% sensitivity, 58.1% specificity, AUC = 0.681). The AUC of the ultrasound composite indicators was 0.750. The AUC and PPV of CT low-lying AIIS for the SSI diagnosis was 0.733 and 71.7%, which could be improved when CT was combined with the ultrasound composite indicators with AUC = 0.831 and PPV = 85.7%. CONCLUSIONS Bone morphology abnormalities and soft-tissue injuries adjacent to the AIIS through sonographic evaluation were associated with SSI. Ultrasound could be used as a feasible method to predict SSI. The diagnostic value for SSI could be improved when ultrasound is combined with CT. LEVEL OF EVIDENCE Level IV, case series.
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Affiliation(s)
- Youjing Sun
- Department of Ultrasound, Peking University Third Hospital, Beijing, China; Department of Ultrasound, Beijing Hospital, National Center of Gerontology, Institute of Geriatric Medicine, Chinese Academy of Medical Sciences, Beijing, People's Republic of China
| | - Rongge Liu
- Department of Sports Medicine, Peking University Third Hospital, Beijing, China
| | - Yu Tian
- School of Public Health, Capital Medical University, Beijing, China
| | - Qiang Fu
- Department of Ultrasound, Peking University Third Hospital, Beijing, China
| | - Yuqing Zhao
- Department of Radiology, Peking University Third Hospital, Beijing, China
| | - Yan Xu
- Department of Sports Medicine, Peking University Third Hospital, Beijing, China
| | - Ligang Cui
- Department of Ultrasound, Peking University Third Hospital, Beijing, China.
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Berthelot JM, Brulefert K, Arnolfo P, Le Goff B, Darrieutort-Laffite C. Update on contribution of hip labral tears to hip pain: A narrative review. Joint Bone Spine 2023; 90:105465. [PMID: 36150666 DOI: 10.1016/j.jbspin.2022.105465] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2022] [Revised: 08/07/2022] [Accepted: 09/05/2022] [Indexed: 01/19/2023]
Abstract
Hip labral tears are found in 22-55% of individuals with hip pain, but labral tears without cysts are usually not responsible for hip pain, which originates mostly from other structures than the torn labrum, like osteochondral, but also tendinous injuries (rectus femoris, gluteus minimus, iliopsoas) or capsulo-ligamentous tears (iliofemoral ligaments, ligament teres). Those lesions are mainly the consequences of underlying unrecognized functional acetabular dysplasia, and/or femoroacetabular impingements. Although the early repair of labral tears in young sportsmen induces a marked and lasting relief, and might delay the onset of osteoarthritis, the microinstability fostered by labral damages seems less important than underlying dysplasias/impingements. This narrative review details recent findings on: (i) the various mechanisms of pain associated with labral tears; (ii) few evidence for hip microinstability induced by isolated labral tears; (iii) how to best detect labral tears, both clinically (including through IROP test) and on imaging (MRI, MRA, computed tomography arthrography, ultrasound). Some authors suggested to use pull-out tests during surgery, but pulling of hips do not seem to increase much diagnostic performances of ultrasounds. Ultrasound-guided intra-articular and peri-articular injections may tell how often hip pain is exclusively induced by peri-capsular injuries secondary to the acetabular dysplasia/femoro-acetabular impingements already responsible for labral tears. Further works could tell whether labral repair, tendinous debridement, plication of capsule, and/or focal denervation, may induce lasting reliefs of pain induced by the chronic contraction of surrounding muscles (rectus femoris, gluteus minimus, psoas), whose deep aponeuroses mix with the superficial fibres of the thick hip capsule.
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Affiliation(s)
- Jean-Marie Berthelot
- Rheumatology Department, Nantes University Hospital, Hôtel-Dieu, Place Alexis-Ricordeau, 44093 Nantes Cedex 01, France.
| | - Kevin Brulefert
- Rheumatology Department, Nantes University Hospital, Hôtel-Dieu, Place Alexis-Ricordeau, 44093 Nantes Cedex 01, France
| | - Paul Arnolfo
- Rheumatology Department, Nantes University Hospital, Hôtel-Dieu, Place Alexis-Ricordeau, 44093 Nantes Cedex 01, France
| | - Benoît Le Goff
- Rheumatology Department, Nantes University Hospital, Hôtel-Dieu, Place Alexis-Ricordeau, 44093 Nantes Cedex 01, France
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Arthroscopic Subspine Decompression Is Commonly Reported in a Heterogenous Patient Population With Concomitant Procedures: A Systematic Review. Arthroscopy 2022; 38:2529-2542. [PMID: 35157962 DOI: 10.1016/j.arthro.2022.01.049] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/16/2021] [Revised: 01/24/2022] [Accepted: 01/30/2022] [Indexed: 02/02/2023]
Abstract
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. Studies were assessed for patient demographics, diagnostic criteria, clinical findings, concomitant procedures, outcomes, and postoperative complications. The quality of the studies was analyzed by 2 independent reviewers (A.J.C. and A.E.J.) using the Methodological Index for Non-randomized Studies (MINORS). RESULTS Ten studies consisting of 438 patients (460 hips, 48.6% female) met the inclusion criteria, with average ages and follow-up ranging from 24.9 to 34.7 years and 6.0 to 44.4 months, respectively. There was 1 Level II study, 3 Level III studies, and 6 Level IV studies. The MINORS criteria yielded an average quality assessment of 13.0 (range: 7-22), with 3 methodological domains demonstrating mean scores of less than 1: unbiased assessment of the study endpoint (.25), loss of follow up less than 5% (.25), and prospective calculation of the study size (.7). The most common exam maneuver used was the subspine impingement test (9 studies). Most subspine decompressions were performed in addition to traditional femoroacetabular impingement syndrome (FAIS) procedures, with only one study (33 hips) reporting solely on isolated subspine osteoplasty. Average preoperative and postoperative modified Harris Hip Score (mHHS) values ranged from 44.93 to 75.7 and 79.5 to 98.0, respectively. Three studies noted improved hip flexion in the postoperative period. Five surgical complications were reported. CONCLUSIONS Arthroscopic subspine decompression is commonly reported in a heterogenous patient population with intra-articular hip pathology. A combination of the subspine impingement test and anterior inferior iliac spine (AIIS) morphology on imaging is frequently used for diagnosis. While improved patient-reported outcomes (PROs) are consistently observed following arthroscopic decompression, conclusions are limited by study methodology and concurrent procedures performed at the time of surgery. LEVEL OF EVIDENCE IV, systematic review of Level II through Level IV studies.
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Jimenez AE, Lee MS, George T, Owens JS, Harris WT, Maldonado DR, Lall AC, Domb BG. Minimum 2-Year Outcomes and Return to Sports of Competitive Athletes Who Undergo Subspine Decompression During Primary Hip Arthroscopy for Femoroacetabular Impingement Syndrome and Subspine Impingement: A Propensity-Matched Controlled Study. Am J Sports Med 2022; 50:1582-1590. [PMID: 35438010 DOI: 10.1177/03635465221085664] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
BACKGROUND Patient-reported outcomes (PROs) and return to sports (RTS) have not been established in athletes undergoing primary hip arthroscopy and subspine decompression for femoroacetabular impingement syndrome (FAIS) and subspine impingement (SSI). PURPOSE (1) To report minimum 2-year PROs and RTS in competitive athletes undergoing primary hip arthroscopy for treatment of FAIS with subspine decompression for treatment of SSI and (2) to compare clinical results with a matched control group of athletes without SSI. STUDY DESIGN Cohort study, Level of evidence, 3. METHODS Data were reviewed for professional, collegiate, and high school athletes undergoing primary hip arthroscopy for FAIS with arthroscopic subspine decompression for SSI between February 2011 and October 2018. Inclusion criteria included preoperative and minimum 2-year follow-up scores for the modified Harris Hip Score, Nonarthritic Hip Score, Hip Outcome Score-Sport Specific Subscale, and visual analog scale for pain. Rates of achieving the minimal clinically important difference (MCID) were also calculated. For comparison, athletes in the SSI group were propensity matched according to age at the time of surgery, sex, body mass index, lateral center-edge angle, alpha angle, sport level, acetabular labrum articular disruption grade, and sport type to a control group of athletes without SSI. RESULTS A total of 30 SSI athletes were included in the study, with a mean plus or minus standard deviation follow-up of 32.1 ± 7.1 months and age of 20.9 ± 5.7 years. The SSI cohort demonstrated significant improvement in all recorded PROs (P < .001), returned to sports at high rates (88.5%), and achieved the MCID for the Hip Outcome Score-Sport Specific Subscale at a high rate (80.0%). Furthermore, these patients had a low rate of undergoing revision surgery (6.7%). When compared with a propensity-matched control group of 59 athletes, the SSI group demonstrated similar rates of RTS, revision, and achieving the MCID for all PROs. CONCLUSION Competitive athletes with FAIS and SSI who underwent primary hip arthroscopy and subspine decompression had favorable outcomes and high RTS rates at minimum 2-year follow-up. These results were comparable with those of a control group of athletes without SSI undergoing primary hip arthroscopy.
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Affiliation(s)
- Andrew E Jimenez
- American Hip Institute Research Foundation, Chicago, Illinois, USA
| | - Michael S Lee
- American Hip Institute Research Foundation, Chicago, Illinois, USA
| | - Tom George
- American Hip Institute Research Foundation, Chicago, Illinois, USA
| | - Jade S Owens
- American Hip Institute Research Foundation, Chicago, Illinois, USA
| | - W Taylor Harris
- American Hip Institute Research Foundation, Chicago, Illinois, USA
| | | | - Ajay C Lall
- American Hip Institute Research Foundation, Chicago, Illinois, USA.,American Hip Institute, Chicago, Illinois, USA
| | - Benjamin G Domb
- American Hip Institute Research Foundation, Chicago, Illinois, USA.,American Hip Institute, Chicago, Illinois, USA
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Vasileff WK. Editorial Commentary: Low-Radiation Dose 3-Dimensional Computed Tomography Scan Reconstruction Is the Best Way to Visualize the Anterior Inferior Iliac Spine-For Now. Arthroscopy 2022; 38:799-801. [PMID: 35248230 DOI: 10.1016/j.arthro.2021.08.012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/16/2021] [Accepted: 08/16/2021] [Indexed: 02/02/2023]
Abstract
Femoroacetabular impingement comes in several anatomic variations that may coexist, and subspine impingement is a commonly discussed cause of indirect extra-articular hip pathology. Although a classification system to identify and understand anterior inferior iliac spine morphology has been in place for some time, attempts have been made to visualize and understand the anatomy based on other imaging modalities. Standard radiographs are a common part of the initial patient evaluation pathway, along with thorough history taking and physical examination findings. Magnetic resonance imaging scans are obtained typically to evaluate the soft tissue, muscle, ligaments, articular cartilage, and labrum for pathology. For many hip preservation surgeons, a computed tomography scan with 3-dimensional reconstruction is standard protocol for patients who progress along the treatment pathway toward a surgical procedure because understanding the complex hip anatomy is key to successful surgical treatment. Many hip arthroscopy patients are in their young adult years, and we always attempt to reduce the amount of radiation exposure. Eliminating this computed tomography scan and using standard-of-care magnetic resonance imaging to simplify patient care, reduce radiation, and reduce health care costs would certainly be beneficial to our hip preservation patients.
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Jackson TJ. Editorial Commentary: The Everted Acetabular Labrum. It Is Not Just a Small Labrum. Arthroscopy 2022; 38:80-81. [PMID: 34972561 DOI: 10.1016/j.arthro.2021.06.002] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/17/2021] [Accepted: 06/01/2021] [Indexed: 02/02/2023]
Abstract
Everted, hypoplastic acetabular labra represent a variant of acetabular rim development. It is important to be able to recognize this pathology on magnetic resonance imaging and at the time of hip arthroscopy. Proper intraoperative identification of this variant that does not make contact with the femoral head is critical to being able to successfully restore this contact, often through labral advancement, acetabuloplasty of the abnormal rim development, and occasionally labral augmentation. A broad awareness among hip arthroscopy surgeons of this topic will lead to improved clinical outcomes after hip arthroscopy for a challenging cohort.
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Aguilera-Bohórquez B. Editorial Commentary: Hip Subspine Impact: Is There a Synergistic Effect Between Subspine Impact and Femoroacetabular Impingement? Arthroscopy 2021; 37:3102-3103. [PMID: 34602151 DOI: 10.1016/j.arthro.2021.05.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/30/2021] [Accepted: 05/04/2021] [Indexed: 02/02/2023]
Abstract
Hip subspine impingement (SSI) is a condition located in the extra-articular area of the hip and is characterized by irregular contact between the anterior inferior iliac spine (AIIS) and the distal femoral neck. Recently, it also has been described that SSI can occur in a normal AIIS, without or in combination with femoroacetabular impingement (FAI), which has redirected the focus of the research. In clinical practice, SSI has no characteristic symptoms/signs and shares similar clinical findings with FAI, making it an important cause of revision hip arthroscopy due to the increased risk of being underdiagnosed and untreated. Consequently, interest in studying SSI and FAI simultaneously has grown to determine whether injuries to the labrum, chondrolabral junction, and acetabular cartilage can be aggravated by dynamic dysfunction or abnormal morphology of the AIIS.
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