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Hohmann E. Editorial Commentary: Hip Arthroscopy Benefits Patients With Tönnis Grade 0 or 1 Hip Arthritis and Is Not Recommended for Grade 3: Optimal Treatment of Femoroacetabular Impingement Syndrome for Grade 2 Arthritis May Be Determined by Age and Body Mass Index. Arthroscopy 2024:S0749-8063(24)00130-0. [PMID: 38365123 DOI: 10.1016/j.arthro.2024.02.010] [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: 02/04/2024] [Accepted: 02/07/2024] [Indexed: 02/18/2024]
Abstract
Femoroacetabular impingement syndrome (FAIS) is a possible cause of early osteoarthritis, and restoration of normal anatomy can potentially prevent future major cartilage damage. Symptomatic cam lesions can lead to debonding of articular cartilage, resulting in superolateral cartilage lesions in 93% of patients. Patients with pincer lesions often exhibit cartilage lesions in the anterior and superolateral glenoid rim. Whereas the efficacy of prophylactic surgery remains uncertain, surgical intervention appears to yield superior short-term clinical outcomes compared with conservative treatment. Yet, there is a relatively high prevalence of asymptomatic individuals in the general population with either cam (25%) or pincer (67%) deformities, so prophylactic treatment of asymptomatic patients cannot be recommended. Symptomatic FAIS patients with Tönnis grades 0 and 1 (minimal hip arthritis) benefit from hip arthroscopy. Patients with higher grades of osteoarthritis may be unsuitable hip arthroscopy candidates and face a higher risk of conversion to hip replacement. The existing evidence regarding the treatment of patients with FAIS and Tönnis grade 2 or higher remains inconclusive. Generally, surgery tends to have favorable outcomes for younger patients with a normal body mass index, whereas nonsurgical alternatives should be explored in cases with severe joint space narrowing, Tönnis grade 3, and bilateral cartilage lesions.
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Pasculli RM, Callahan EA, Wu J, Edralin N, Berrigan WA. Non-operative Management and Outcomes of Femoroacetabular Impingement Syndrome. Curr Rev Musculoskelet Med 2023; 16:501-513. [PMID: 37650998 PMCID: PMC10587039 DOI: 10.1007/s12178-023-09863-x] [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] [Accepted: 08/07/2023] [Indexed: 09/01/2023]
Abstract
PURPOSE To serve as a guide for non-operative physicians in the management of femoroacetabular impingement syndrome and provide an algorithm as to when to refer patients for potential surgical management. RECENT FINDINGS Supervised physical therapy programs that focus on active strengthening and core strengthening are more effective than unsupervised, passive, and non-core-focused programs. There is promising evidence for the use of intra-articular hyaluronic acid and PRP as adjunct treatment options. Recent systematic reviews and meta-analyses have found that in young active patients, hip arthroscopy demonstrates improved short-term outcomes over physical therapy. The decision for the management of FAIS is complex and should be specific to each patient. Consideration of the patient's age, timing to return to sport, longevity of treatment, hip morphology, and degree of cartilage degeneration is required to make an informed decision in the treatment of these patients.
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Affiliation(s)
- Rosa M. Pasculli
- Department of Orthopaedics, Emory University School of Medicine, Atlanta, GA USA
| | - Elizabeth A. Callahan
- Department of Physical Medicine and Rehabilitation, New York University, New York, NY USA
| | - James Wu
- University of California Berkeley, Berkeley, CA USA
| | - Niam Edralin
- University of California Berkeley, Berkeley, CA USA
| | - William A. Berrigan
- Department of Orthopaedics, University of California San Francisco, 1500 Owens Street, San Francisco, CA 94158 USA
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Schamberger CT, Tuffs C, Suda AJ, Grossner T, Schmidmaier G, Stein S. Association of Chondrolabral Lesions with Ultrasound-Guided Detection of Pathological Head-Neck Contour. Diagnostics (Basel) 2023; 13:3334. [PMID: 37958230 PMCID: PMC10649636 DOI: 10.3390/diagnostics13213334] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2023] [Accepted: 10/25/2023] [Indexed: 11/15/2023] Open
Abstract
OBJECTIVE This study aimed to investigate whether the asphericity of the neck-head junction of the femur confirmed via ultrasound is associated with further pathology due to femoro-acetabular impingement (FAI). METHODOLOGY After a clinical examination with positive FAI tests, an ultrasound examination of the hip was performed. In the case of asphericity, a quantitative ultrasound-assisted assessment of the hip was performed, followed by contrast-enhanced arthro-MRI with the question of cartilage or labral damage. RESULTS AND CONCLUSIONS We included 51 patients with a mean age of 35.25. According to the examination algorithm, asphericity was present in all patients via ultrasonography. The average anterior alpha angle (AAA) determined in ultrasonography was 43.49°. The average AAA on the arthro-MRI was 44.19°. The mean anterior head neck offset (AHNO) in ultrasound was 5.27 mm, and in arthro-MRI, it was 5.36 mm. Arthro-MRI confirmed a bump in 47 patients and a talization disorder in 4 patients. In 49 patients, a labral lesion was found, with one being a re-rupture. Furthermore, in one patient, labral degeneration was identified. Cartilage damage to the hip joint was found in 25 patients. Two patients had neither labral nor cartilage damage in the arthro-MRI. In our study, sonographically confirmed asphericity of the head-neck junction was found in 49 cases, which was associated with further pathology and, according to the current doctrine, was attributable to the FAI and required surgical intervention. This study shows that the detection of a pathologic head and neck contour via ultrasound in combination with positive clinical signs, as present in FAI, is associated with chondrolabral lesions detected via arthro-MRI in 96.1% of cases.
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Affiliation(s)
- Christian T. Schamberger
- Clinic for Trauma and Reconstructive Surgery, University Hospital Heidelberg, 69118 Heidelberg, Germany
| | - Christopher Tuffs
- Department of General, Visceral and Transplantation Surgery, University Hospital Heidelberg,
69120 Heidelberg, Germany
| | - Arnold J. Suda
- Department of Orthopaedics and Trauma Surgery, AUVA Trauma Center Salzburg, 5010 Salzburg, Austria
| | - Tobias Grossner
- Clinic for Trauma and Reconstructive Surgery, University Hospital Heidelberg, 69118 Heidelberg, Germany
| | - Gerhard Schmidmaier
- Clinic for Trauma and Reconstructive Surgery, University Hospital Heidelberg, 69118 Heidelberg, Germany
| | - Stephan Stein
- Clinic for Trauma and Reconstructive Surgery, University Hospital Heidelberg, 69118 Heidelberg, Germany
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Conservative vs. Surgical Management for Femoro-Acetabular Impingement: A Systematic Review of Clinical Evidence. J Clin Med 2022; 11:jcm11195852. [PMID: 36233719 PMCID: PMC9572846 DOI: 10.3390/jcm11195852] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2022] [Revised: 09/28/2022] [Accepted: 09/29/2022] [Indexed: 11/19/2022] Open
Abstract
Femoro-acetabular impingement (FAI) syndrome is one of the most studied conditions in sports medicine. Surgical or conservative approaches can be proposed for treating FAI, although the best standard of care is not established yet. Our aim is to provide a comprehensive review of the best treatment for FAI syndrome evaluating differences in outcomes between surgical and non-operative management. A literature search was carried out on the PubMed, EMBASE, Scopus, and PEDro databases, using the following keywords: "femoroacetabular impingement", "FAI", in association with "surgery", "arthroscopy", "surgical" and "conservative", "physiotherapy", "physical therapy", "rehabilitation", "exercise". Only Level I RCTs were included. Four articles were selected for this systematic review. Our analysis showed different therapeutic protocols, follow-up periods, and outcomes; however, three out of the four studies included favored surgery. Our study demonstrates beneficial effects for both arthroscopic treatment and a proper regimen of physical therapy, nevertheless a surgical approach seemed to offer superior short-term results when compared to conservative care only. Further trials with larger sample sizes and longer follow-ups are needed to assess the definitive approach to the FAI condition.
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Budde S, Ezechieli M. [Management of FAIS in professional soccer athletes and return to sports]. DER ORTHOPADE 2022; 51:466-471. [PMID: 35482052 DOI: 10.1007/s00132-022-04257-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 04/06/2022] [Indexed: 10/18/2022]
Abstract
The prevalence of femoroacetabular impingement syndrome in professional soccer athletes is high. Professional training and treatment conditions ensure an effective conservative therapy focusing on dynamic stability, motion control, muscle balance and core stability. In the case of persistent limitations, indication for surgery has to be considered carefully. The probability is high that return to a professional level of soccer is feasible. However, the period of rehabilitation is long, leading to a potential conflict area between economic and medical interests. Good communication and intensive patient education are essential.
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Affiliation(s)
- Stefan Budde
- Klinik für Unfallchirurgie und Orthopädie, Evangelisches Klinikum Bethel, Universitätsklinikum OWL der Universität Bielefeld, Burgsteig 13, 33617, Bielefeld, Deutschland.
| | - Marco Ezechieli
- Vincenz Krankenhaus Paderborn, Standort Salzkotten, Salzkotten, Deutschland
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Scanaliato JP, Green CK, Salfiti CE, Wolff AB. Hip Labral Reconstruction: Techniques and Outcomes. Curr Rev Musculoskelet Med 2021; 14:340-350. [PMID: 34799843 DOI: 10.1007/s12178-021-09733-4] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 10/09/2021] [Indexed: 01/07/2023]
Abstract
PURPOSE OF REVIEW With increased understanding of the biomechanical function of the acetabular labrum, more attention has been directed towards surgical techniques that preserve or restore normal joint anatomy. While labral repair has been shown to produce superior outcomes to labral debridement, repair is not always possible in the setting of severe labral intrasubstance tearing or deficiency. These patients were previously left without suitable arthroscopic treatment options. RECENT FINDINGS Labral reconstruction is an emerging procedure that has been shown to offer promising outcomes for traditionally difficult-to-treat hip pathology. Short- and mid-term follow-up studies have consistently demonstrated significant improvement in patient-reported outcomes, function, and patient satisfaction postoperatively, often despite less favorable preoperative characteristics. Labral reconstruction is a viable arthroscopic treatment option that has been shown to reliably produce clinically meaningful results in patients with severe labral pathology that is not amenable to repair/refixation or augmentation.
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Affiliation(s)
- J P Scanaliato
- William Beaumont Army Medical Center/Texas Tech Health Sciences Center, El Paso, TX, USA.
| | - C K Green
- The George Washington University School of Medicine, Washington, DC, USA
| | - C E Salfiti
- Washington Orthopaedics and Sports Medicine, Washington, DC, USA
| | - A B Wolff
- Washington Orthopaedics and Sports Medicine, Washington, DC, USA
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Harris JD, Cote MP, Dhawan A, Hohmann E, Brand JC. Nearly One-Third of Published Systematic Reviews and Meta-analyses Yield Inconclusive Conclusions: A Systematic Review. Arthroscopy 2021; 37:2991-2998. [PMID: 33887412 DOI: 10.1016/j.arthro.2021.03.073] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/20/2020] [Revised: 03/28/2021] [Accepted: 03/30/2021] [Indexed: 02/02/2023]
Abstract
PURPOSE To perform a systematic review that determines the percentage of published orthopedic surgery and sports medicine systematic reviews and meta-analyses that have a conclusive conclusion. METHODS A systematic review was performed using PRISMA guidelines. Six high-quality orthopedics journals were chosen for analysis over a 10-year eligibility period. Systematic reviews and meta-analyses published in these journals were included in the investigation. Narrative, scoping, and umbrella reviews were excluded. A systematic review or meta-analysis was defined as having an inconclusive conclusion if the conclusion in the manuscript body or abstract was stated directly as inconclusive, indeterminate, unknown, or having a lack of evidence (or no evidence). A conclusive conclusion stated a direct answer to the study's primary and/or accessory outcomes. Due to the categorical nature of the data, comparisons were made using χ2 test and logistic regression. RESULTS There were 1,108 systematic reviews/meta-analyses analyzed (30.9 ± 70.3 studies analyzed per review). More reviews (69.9%) were published with conclusive conclusions rather than without (30.1%). More reviews were surgical (73%) rather than nonsurgical. The United States and North America published the most reviews by country and continent, respectively. There were statistically significant differences between countries (highest proportion with China) and continents (highest proportion with Asia) based on the number of conclusive conclusions in published reviews, respectively. There were no significant differences in the proportion of conclusive conclusion reviews between the 6 analyzed journals. Australia published the largest proportion on nonsurgical reviews. The British Journal of Sports Medicine published a significantly higher proportion of nonsurgical reviews than the other 5 journals. There was no temporal relationship with the proportion of conclusive conclusion reviews. CONCLUSIONS This systematic review observed that only 70% of orthopedic systematic reviews and meta-analyses published in 6 high-quality orthopedic journals over a 10-year eligibility period had conclusive conclusions. LEVEL OF EVIDENCE Level IV, systematic review and/or meta-analysis of studies with Levels I to IV.
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Affiliation(s)
- Joshua D Harris
- Houston Methodist Orthopedics and Sports Medicine, Houston, Texas, U.S.A..
| | - Mark P Cote
- UConn Musculoskeletal Institute, Human Soft Tissue Research Laboratory, UConn Health, Farmington, Connecticut, U.S.A
| | - Aman Dhawan
- Penn State Hershey Bone and Joint Institute, Hershey, Pennsylvania, U.S.A
| | - Erik Hohmann
- Valiant Clinic, Houston Methodist, City Walk, Dubai, United Arab Emirates
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Reddy AK, Anderson JM, Gray HM, Fishbeck K, Vassar M. Clinical Trial Registry Use in Orthopaedic Surgery Systematic Reviews. J Bone Joint Surg Am 2021; 103:e41. [PMID: 33983151 DOI: 10.2106/jbjs.20.01743] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
BACKGROUND Results from systematic reviews and meta-analyses, which have the highest level of evidence (Level I), often drive clinical decision-making and health policy. Often, unpublished trial data are omitted from systematic reviews, raising concerns about the extent of the reliability and validity of results that have been drawn from systematic reviews. We aimed to determine the extent to which systematic review authors include searches of clinical trial registries for unpublished data when conducting systematic reviews in orthopaedic surgery. METHODS Systematic reviews and/or meta-analyses were gathered from the top 5 orthopaedic surgery journals based on the h5-index from Google Scholar Metrics. Systematic reviews that had been published in the Cochrane Database of Systematic Reviews, which requires the inclusion of a clinical trial registry search, served as controls. For the primary outcome, each systematic review from the top 5 orthopaedic journals was screened to determine whether the authors of each study searched for unpublished data in clinical trial registries. We then compared the rate of registry searches with those in the control group. For the secondary analysis, a search of ClinicalTrials.gov was performed for unpublished trial data for 100 randomized systematic reviews. RESULTS All 38 of the Cochrane systematic reviews (100%) included clinical trial registry searches, while the top 5 orthopaedic journals had only 31 of 480 studies (6.5%) that looked at clinical trial registries. The secondary analysis yielded 59 of 100 systematic review articles (59.0%) that could have included unpublished clinical trial data from ≥1 studies to their sample. CONCLUSIONS Systematic reviews that have been published in the top orthopaedic surgery journals seldom included a search for unpublished clinical trial data. CLINICAL RELEVANCE The exclusion of clinical trial registry searches potentially contributes to publication bias within the orthopaedic literature. Moving forward, systematic review authors should include clinical trial registry searches for unpublished clinical trial data to provide the most accurate representation of the available evidence for systematic reviews and meta-analyses.
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Affiliation(s)
- Arjun K Reddy
- Office of Medical Student Research (A.K.R., J.M.A., H.M.G., and M.V.) and Department of Psychiatry and Behavioral Sciences (M.V.), Oklahoma State University Center for Health Sciences, Tulsa, Oklahoma
| | - J Michael Anderson
- Department of Orthopedic Surgery, Oklahoma State University Medical Center, Tulsa, Oklahoma
| | - Harrison M Gray
- Department of Orthopedic Surgery, Oklahoma State University Medical Center, Tulsa, Oklahoma
| | - Keith Fishbeck
- Department of Orthopedic Surgery, Oklahoma State University Medical Center, Tulsa, Oklahoma
| | - Matt Vassar
- Department of Orthopedic Surgery, Oklahoma State University Medical Center, Tulsa, Oklahoma
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Yacovelli S, Sutton R, Vahedi H, Sherman M, Parvizi J. High Risk of Conversion to THA After Femoroacetabular Osteoplasty for Femoroacetabular Impingement in Patients Older than 40 Years. Clin Orthop Relat Res 2021; 479:1112-1118. [PMID: 33236866 PMCID: PMC8052066 DOI: 10.1097/corr.0000000000001554] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/06/2020] [Accepted: 10/09/2020] [Indexed: 01/31/2023]
Abstract
BACKGROUND Femoroacetabular impingement (FAI) is a recognized cause of hip pain and decreased quality of life and has been linked to primary idiopathic hip osteoarthritis (OA). Although the operative indications for FAI have expanded to include older patients, we do not know whether there is an increased risk of conversion to THA after femoroacetabular osteoplasty (FAO) via the mini-open approach for FAI in patients older than 40 years compared with younger patients, after controlling for other confounding variables. QUESTIONS/PURPOSES (1) After matching for gender, BMI, preoperative symptomatic period, surgeon experience, Tönnis grade, and degree of chondral lesion, are patients older than 40 years who undergo FAO for FAI more likely to be revised to THA at a minimum of 2 years' follow-up than are patients younger than 40? (2) Is there a difference in delta (postoperative minus preoperative) improvement in functional outcome scores in those patients who did not go on to THA between patients older than and younger than 40 years? METHODS Between 2003 and 2017, one surgeon performed 281 FAOs via the mini-open approach in patients older than 40 years and 544 of the same procedure in patients younger than 40 years. During that period, the general indications for FAO were the same in both age groups: (1) history and physical exam consistent with FAI, (2) radiographic evidence of focal impingement (cam, pincer, or both), (3) evidence of labral or chondrolabral tears, and (4) minimal to no arthritic changes (all four criteria required). In general, age was not used as a contraindication for surgery. A total of 86% (241 of 281) of patients older than 40 and 91% (494 of 544) of those younger than 40 were available for minimum of 2 years' follow-up, had complete datasets (radiographs as well as preoperative and most recent patient-reported outcomes scores) at a minimum of 2 years after surgery, and were considered eligible for the match. Propensity score matching was used to match for BMI, gender, preoperative symptomatic period, surgeon experience, Tönnis grade, and degree of intraoperative chondral lesion. We matched at a 1:2 ratio 130 patients older than age 40 with 260 patients younger than age 40. The mean ± SD follow-up duration for both groups was 5 ± 2 years. The mean age of the cohort of interest was 47 ± 5 years compared with 28 ± 7 years in the control. Fifty-four percent (70 of 130) of patients older than 40 years were women and 46% (60 of 130) were men; for those younger than 40, 51% (133 of 260) of participants were women and 49% (127 of 260) were men. Tönnis grade distribution for patients older than 40 was as follows: 46% (60 of 130) had Grade 0, 42% (55 of 130) had Grade 1, and 12% (15 of 130) had Grade 2. In comparison, Tönnis grade for patients younger than 40 was as follows: 52% (136 of 260) had Grade 0, 38% (100 of 260) had Grade 1, and 9% (24 of 260) had Grade 2 (p = 0.49). Chondral lesion degree was determined intraoperatively as none, a partial-thickness tear, or a full-thickness tear. Tönnis grade was determined based on preoperative plain AP hip radiographs. We then compared the percentage of patients who converted to THA during the surveillance period (our primary study outcome). We also compared the difference in delta (preoperative minus postoperative) improvement in functional outcome scores using the modified Harris Hip Score (mHHS) between the groups, excluding those who had already been converted to THA. RESULTS In patients older than 40 years, 16% (21 of 130) converted to THA at a mean time to conversion of 2 ± 1 years compared with 7% (17 of 260) at a mean time of 2 ± 2 years in patients younger than 40 years (p = 0.01). At a mean of 5 ± 2 years after FAO, among those patients who had not undergone conversion to THA, the mean delta mHHS score for patients older than 40 was 11 ± 17, compared with 20 ± 26 for patients younger than 40 (p = 0.04). CONCLUSION Since approximately 1 in 6 patients older than 40 years in this series who underwent FAO for FAI opted for early conversion to THA at a mean time of 2 years after the osteoplasty procedure, and the remaining patients who did not undergo THA reported lower improvement in functional outcomes, we recommend surgeons avoid this procedure in patients in this age group until or unless we can better refine our indications. This is especially true because loss to follow-up causes us to believe that, if anything, our estimates of the risk of conversion to THA are conservative. LEVEL OF EVIDENCE Level III, therapeutic study.
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Affiliation(s)
- Steven Yacovelli
- S. Yacovelli, R. Sutton, H. Vahedi, M. Sherman, J. Parvizi, Rothman Orthopaedic Institute at Thomas Jefferson University, Philadelphia, PA, USA
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Abstract
Femoroacetabular impingement (FAI) syndrome is one of the most rapidly evolving etiologies of hip pain. The 2016 Warwick Agreement consensus statement defined FAI syndrome as a triad of symptoms, signs, and radiographic findings. Cam morphology is more likely in athletes and is associated with repetitive hip loading in maximal flexion during adolescence. Much less is known about the development of pincer morphology. Physical therapy improves pain and function, justifying a trial before pursuing surgery. Musculoskeletal injections are utilized for FAI syndrome, but the evidence is limited. Arthroscopic surgery for FAI syndrome can correct the morphological changes and address the underlying soft tissue injuries. Recent studies evaluated reliable indicators of surgical outcomes, the most reliable of which is the presurgical presence of osteoarthritis. Recent studies demonstrate the efficacy of surgery, but with the risk of complication and no guarantee of a return to the same level of sport.
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Affiliation(s)
- Steven D Trigg
- National Capital Consortium Military Primary Care Sports Medicine Fellowship, Uniformed Services University of Health Sciences, Bethesda, MD
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Cao J, Chen D. [Research progress in arthroscopic treatment of acetabular labrum injury]. ZHONGGUO XIU FU CHONG JIAN WAI KE ZA ZHI = ZHONGGUO XIUFU CHONGJIAN WAIKE ZAZHI = CHINESE JOURNAL OF REPARATIVE AND RECONSTRUCTIVE SURGERY 2020; 34:1607-1611. [PMID: 33319544 DOI: 10.7507/1002-1892.202002161] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
Objective To review the surgical methods of arthroscopy in the treatment of acetabular labrum injury, and to provide reference for clinical treatment. Methods The literature about the surgical methods and clinical results of hip arthroscopy in the treatment of acetabular labrum injury was reviewed and analyzed. Results In the early stages of hip arthroscopy, the removal of the torn labrum is the primary treatment option. The current principles of treatment are based on the specific circumstances of a torn labrum, including acetabular labrum debridement, acetabular labrum repair, acetabular labrum reconstruction, and acetabular labrum augmentation. Conclusion Hip arthroscopy has become the preferred technique for the treatment of acetabular labrum injury. Labral repair is still the first choice, and labral reconstruction is used when acetabular labrum injury cannot be repaired.
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Affiliation(s)
- Jiangang Cao
- Department of Sports Injury and Arthroscopy, Tianjin Hospital, Tianjin, 300222, P.R.China
| | - Desheng Chen
- Department of Sports Injury and Arthroscopy, Tianjin Hospital, Tianjin, 300222, P.R.China
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Courties A, Berenbaum F. Is hip osteoarthritis preventable? Joint Bone Spine 2020; 87:371-375. [PMID: 31811930 DOI: 10.1016/j.jbspin.2019.11.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/29/2019] [Indexed: 10/25/2022]
Affiliation(s)
- Alice Courties
- Inserm UMR_S 938, Centre de Recherche Saint-Antoine, Sorbonne université, 75012 Paris, France; Service de rhumatologie, hôpital Saint-Antoine, AP-HP, 75012 Paris, France
| | - Francis Berenbaum
- Inserm UMR_S 938, Centre de Recherche Saint-Antoine, Sorbonne université, 75012 Paris, France; Service de rhumatologie, hôpital Saint-Antoine, AP-HP, 75012 Paris, France.
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Götze M, Hagmann S. [Hip joint contractures, leg length discrepancies, and spinopelvic alignment: impact on the development of osteoarthritis of the hip?]. DER ORTHOPADE 2020; 49:877-882. [PMID: 32902656 DOI: 10.1007/s00132-020-03977-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
Hip joint problems are common in every-day orthopedic practice. At the age of 60, approximately 5% of the German population suffer from symptomatic osteoarthritis of the hip. One of the main trigger is the morphological abnormality of the joint. Causes may also be overloading of the joint, developmental dysplasia of the hip with reduced coverage, as well as femoral or acetabular malpositioning, for example. The impact of hip joint contractures, leg length discrepancies, and the spinopelvic alignment and their prophylactic treatment in childhood, adolescence and early adulthood are discussed here.
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Affiliation(s)
- Marco Götze
- Zentrum für Orthopädie, Unfallchirurgie und Paraplegiologie, Sektion Kinderorthopädie, Neuroorthopädie & Fußchirurgie, Universitätsklinikum Heidelberg, Schlierbacher Landstr. 200a, 69118, Heidelberg, Deutschland.
| | - Sébastien Hagmann
- Zentrum für Orthopädie, Unfallchirurgie und Paraplegiologie, Sektion Kinderorthopädie, Neuroorthopädie & Fußchirurgie, Universitätsklinikum Heidelberg, Schlierbacher Landstr. 200a, 69118, Heidelberg, Deutschland
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Lim JY, Jang YH, Yoo JI, Lee YK, Koo KH, Ha YC. Outcomes After Arthroscopic Repair in Patients With Tears of Hypertrophic Versus Morphologically Normal Acetabular Labra. Am J Sports Med 2020; 48:1168-1174. [PMID: 32150441 DOI: 10.1177/0363546520907106] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
BACKGROUND Recently, a hypertrophic labrum has been reported in the absence of hip dysplasia, which can possibly contribute to an acetabular labral tear. PURPOSE To compare the clinical outcomes and complications, including the incidence of iatrogenic acetabular labrum and cartilage injury, in patients with tears of hypertrophic versus morphologically normal acetabular labra over a minimum follow-up period of 2 years and to assess the morphologic changes at follow-up computed tomography arthrography in the 2 groups. STUDY DESIGN Cohort study; Level of evidence, 3. METHODS Between January 2010 and December 2016, 20 patients (22 hips) with a hypertrophic labrum underwent arthroscopic hip surgery. A total of 22 patients (22 hips) without a hypertrophic labrum were assigned to the control group based on matching criteria, including age, sex, body mass index, labral tear, and labral repair. Clinical outcomes were assessed with the visual analog scale score, UCLA activity scale score (University of California, Los Angeles), and modified Harris Hip Score. Radiologic outcomes were assessed through serial radiography. Patients were followed for at least 2 years. RESULTS The mean age at surgery was 42 years. The most common cause of arthroscopic surgery in the study group was an isolated acetabular labral tear without any bony structural abnormalities (68.2%, 15 of 22 hips). All improvements in both groups were statistically significant at the last postoperative follow-up (P < .001). Although the radiologic and clinical outcomes were not significantly different between the groups, the complication rates, including iatrogenic labral perforations and cartilage injury, were significantly higher in patients with hypertrophic acetabular labral tears (9 vs 3, P = .042). The patient-reported satisfaction scores at the last postoperative follow-up were 8.4 and 7.9 in the study and control groups, respectively (P = .351). CONCLUSION The high rates of patient-reported satisfaction and the clinical outcomes after arthroscopic repair in both groups are encouraging. Arthroscopic treatment in patients with hypertrophic acetabular labral tears should be carefully performed to prevent iatrogenic injury during the surgery, and isolated hypertrophic labral tears can have good results after repair.
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Affiliation(s)
- Jae-Young Lim
- Department of Orthopaedic Surgery, Inje University College of Medicine and Inje University Haeundae Paik Hospital, Busan, Republic of Korea
| | - Ye-Hoon Jang
- Department of Orthopaedic Surgery, Chung-Ang University College of Medicine and Chung-Ang University Hospital, Seoul, Republic of Korea
| | - Jun-Il Yoo
- Department of Orthopedic Surgery, Gyeongsang National University School of Medicine and Gyeongsang National University Hospital, Jinju, Republic of Korea
| | - Young-Kyun Lee
- Department of Orthopaedic Surgery, Seoul National University Bundang Hospital, Seongnam, Republic of Korea
| | - Kyung-Hoi Koo
- Department of Orthopaedic Surgery, Seoul National University Bundang Hospital, Seongnam, Republic of Korea
| | - Yong-Chan Ha
- Department of Orthopaedic Surgery, Chung-Ang University College of Medicine and Chung-Ang University Hospital, Seoul, Republic of Korea
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Falotico GG, Arliani GG, Yamada AF, Fernandes ADRC, Ejnisman B, Cohen M. Professional soccer is associated with radiographic cam and pincer hip morphology. Knee Surg Sports Traumatol Arthrosc 2019; 27:3142-3148. [PMID: 29876863 DOI: 10.1007/s00167-018-5008-1] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/11/2017] [Accepted: 06/01/2018] [Indexed: 01/22/2023]
Abstract
PURPOSE Femoroacetabular impingement (FAI) syndrome is characterized by a triad: symptoms, clinical signs and imaging findings. Some individuals, especially athletes, have only imaging alterations. The objective of this study was to evaluate the prevalence of cam and pincer morphology in professional soccer players compared with a control group of non-athletes and to investigate the association between the age at which players start playing competitive soccer more than three times per week and duration of the soccer career with the prevalence of these radiographic findings. METHODS The prevalence of cam and pincer morphology in sixty professional adult male soccer players and thirty-two male controls was determined using pelvic anteroposterior radiography. Data were recorded for all hips and correlated with the age at which the players started competitive soccer practice and with the duration of their soccer career. RESULTS The prevalence of morphological FAI in the soccer players was 92.5% versus 28.1% in the controls (p < 0.001). The duration of the soccer career was positively correlated with the alpha angle (p = 0.033) and negatively correlated with the retroversion index (p = 0.009). The age at which competitive play began was inversely correlated with the alpha angle (p < 0.001). CONCLUSION The study showed a high prevalence of cam and pincer morphology in Brazilian professional soccer players compared with controls. The duration of the soccer career was associated with an increased alpha angle and a decreased retroversion index, and the age at which competitive soccer participation began was negatively associated with alpha angle values. Finally, this manuscript provides data about the association between greater exposure to soccer and cam and pincer morphological changes in the hip; specifically, cam morphology was more common in patients who began participating in sports at earlier ages. This information serves as an alert for coaches of youth teams to manage the training load in youth athletes. LEVEL OF EVIDENCE III.
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Affiliation(s)
- Guilherme Guadagnini Falotico
- Departamento de Ortopedia e Traumatologia, Universidade Federal de São Paulo, Borges Lagoa, 783-5° floor, São Paulo, SP, Brazil.
| | - Gustavo Gonçalves Arliani
- Departamento de Ortopedia e Traumatologia, Universidade Federal de São Paulo, Borges Lagoa, 783-5° floor, São Paulo, SP, Brazil
| | - André Fukunishi Yamada
- Departamento de Diagnóstico por Imagem, Universidade Federal de São Paulo, São Paulo, SP, Brazil
| | | | - Benno Ejnisman
- Departamento de Ortopedia e Traumatologia, Universidade Federal de São Paulo, Borges Lagoa, 783-5° floor, São Paulo, SP, Brazil
| | - Moises Cohen
- Departamento de Ortopedia e Traumatologia, Universidade Federal de São Paulo, Borges Lagoa, 783-5° floor, São Paulo, SP, Brazil
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Klasan A, Neri T, Putnis SE, Dworschak P, Schüttler KF, Fuchs-Winkelmann S, Schofer MD, Heyse TJ. The prevalence of a prominent anterior inferior iliac spine. Arch Orthop Trauma Surg 2019; 139:1045-1049. [PMID: 30770995 DOI: 10.1007/s00402-019-03146-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/12/2018] [Indexed: 11/28/2022]
Abstract
INTRODUCTION Impingement of the prominent anterior inferior iliac spine (AIIS) against the femoral neck has recently been described as another type of impingement. The purpose of this study is to provide a distribution of AIIS types using the classification proposed by Hetsroni and thus report on the prevalence of prominent types. MATERIALS AND METHODS A total of 400 patients were included in the study with an average age 27.3 ± 6.9 years (range 18-40). All patients received a whole-body polytrauma computer tomography (CT) scan in the emergency room (ER) upon arrival. The classification of AIIS proposed by Hetsroni et al., which describes three morphological types, was used. Type II and III were grouped as prominent types. The measurements were performed in all three planes by two examiners. RESULTS Male to female ratio was 71:29. Type I was observed in 367 (91.7%) patients. Type II was observed in 31 (7.8%) patients and type III was observed in 2 (0.5%) patients, unilaterally. Prominent types were much more prevalent in men (10.5%) than in women (2.6%). The CT assessment demonstrated excellent intra- and interreliability (overall: 0.926, I/II: 0.906, III: 1.000). CONCLUSION A young population demonstrates a prevalence of a prominent AIIS of 11.5%. Prominent AIIS is more common in men than in women.
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Affiliation(s)
- Antonio Klasan
- Center for Orthopedics and Traumatology, University Hospital Marburg, Baldingerstrasse, 35043, Marburg, Germany.
| | - Thomas Neri
- Department of Orthopaedic Surgery, University Hospital St Etienne, Avenue Albert Raimond, 42270, Saint-Priest-en-Jarez, France
| | - Sven Edward Putnis
- The Gallery, Sydney Orthopaedic Research Institute, Level 1, 445 Victoria Avenue, Chatswood, NSW, 2067, Australia
| | - Philipp Dworschak
- Center for Orthopedics and Traumatology, University Hospital Marburg, Baldingerstrasse, 35043, Marburg, Germany
| | - Karl Friedrich Schüttler
- Center for Orthopedics and Traumatology, University Hospital Marburg, Baldingerstrasse, 35043, Marburg, Germany
| | - Susanne Fuchs-Winkelmann
- Center for Orthopedics and Traumatology, University Hospital Marburg, Baldingerstrasse, 35043, Marburg, Germany
| | - Markus D Schofer
- Orthomedic Frankfurt Offenbach, Herrnstraße 57, 63065, Offenbach, Germany
| | - Thomas J Heyse
- Orthomedic Frankfurt Offenbach, Herrnstraße 57, 63065, Offenbach, Germany
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Nakano N, Khanduja V. Femoroacetabular impingement: the past, current controversies and future perspectives. PHYSICIAN SPORTSMED 2018; 46:270-272. [PMID: 29772952 DOI: 10.1080/00913847.2018.1478151] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/16/2022]
Affiliation(s)
- Naoki Nakano
- a Department of Trauma and Orthopaedics , Addenbrooke's Hospital, Cambridge University Hospitals NHS Foundation Trust , Cambridge , UK
| | - Vikas Khanduja
- a Department of Trauma and Orthopaedics , Addenbrooke's Hospital, Cambridge University Hospitals NHS Foundation Trust , Cambridge , UK
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de Sa D, Lian J, Sheean AJ, Inman K, Drain N, Ayeni O, Mauro C. A Systematic Summary of Systematic Reviews on the Topic of Hip Arthroscopic Surgery. Orthop J Sports Med 2018; 6:2325967118796222. [PMID: 30320142 PMCID: PMC6154262 DOI: 10.1177/2325967118796222] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/30/2022] Open
Abstract
BACKGROUND There is a rapidly growing body of literature on the topic of hip arthroscopic surgery. PURPOSE To provide an overall summary of systematic reviews published on the indications, complications, techniques, outcomes, and information related to hip arthroscopic surgery. STUDY DESIGN Systematic review; Level of evidence, 4. METHODS A systematic review of all hip arthroscopic surgery-related systematic reviews published between January 2000 and May 2018 was performed using PubMed, MEDLINE, and the Cochrane Library. Narrative reviews and non-English articles were excluded. RESULTS A total of 837 articles were found, of which 85 met the inclusion criteria. Included articles were summarized and divided into 6 major categories based on the subject of the review: femoroacetabular impingement (FAI), non-FAI indications, surgical technique, outcomes, complications, and miscellaneous. CONCLUSION A summary of systematic reviews on hip arthroscopic surgery can provide surgeons with a single source for the most current synopsis of the available literature. As the prevalence of orthopaedic surgeons performing hip arthroscopic surgery increases, updated evidence-based guidelines must likewise be advanced and understood to ensure optimal patient management.
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Affiliation(s)
- Darren de Sa
- Division of Sports Medicine, Department of Orthopaedic Surgery, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Jayson Lian
- Division of Sports Medicine, Department of Orthopaedic Surgery, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
- Albert Einstein College of Medicine, New York, New York, USA
| | - Andrew J Sheean
- Division of Sports Medicine, Department of Orthopaedic Surgery, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Kathleen Inman
- School of Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Nicholas Drain
- School of Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Olufemi Ayeni
- School of Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Craig Mauro
- Division of Sports Medicine, Department of Orthopaedic Surgery, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
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Abstract
Purpose of review This narrative review summarizes the evidence relating hip shape and risk of osteoarthritis at the hip, with a focus on the most recent body of work. Recent findings Hip OA is a prevalent and potentially disabling condition with few effective non-surgical treatment options. Risk factors for hip OA appear to differ somewhat from those at other sites. Variations in hip morphology, whether assessed through standard geometric measures or statistical modeling methods, seem to increase hip OA risk and may provide a novel approach to interventions to reduce or prevent OA. Such variations have also led to focused surgical interventions to "correct" abnormal shape, although comparisons with non-surgical management are lacking. Summary There remains a lack of understanding regarding the optimal management, whether surgical, non-surgical, or a combination, for FAI syndrome. Even less is known regarding other potential morphologic variations that may contribute to OA risk. Additionally, many individuals who have shape variations that would seem to increase their risk will never develop hip OA. Questions remain regarding key risk factors for hip OA development, which individuals should be targeted for therapies, whether directed at symptoms, function, or prevention, and which therapies should be studied and offered. Trials are underway to help address some of these questions.
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Abstract
Femoroacetabular impingement (FAI) is one of the most researched conditions in sports medicine today. FAI occurs due to abnormal morphology and subsequently contact between the proximal femur and the acetabulum. With repetitive loading, this femoroacetabular mismatch can be a source of labral and chondral injuries. FAI is more prevalent in the athletic population, particularly those athletes who participated in high level activities at a younger age. If nonoperative management is failed, surgical treatment is often done arthroscopically and with good results. This review attempts to provide an overview of the pathophysiology, diagnosis, and potential treatment options of FAI with a focus on the most recent literature.
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Prevalence of Cam and Pincer Deformities in the X-Rays of Asymptomatic Individuals. BIOMED RESEARCH INTERNATIONAL 2017; 2017:8562329. [PMID: 29404370 PMCID: PMC5748312 DOI: 10.1155/2017/8562329] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/23/2017] [Accepted: 11/28/2017] [Indexed: 02/06/2023]
Abstract
Objective The presence of radiological signs of femoroacetabular impingement (FAI) is not necessarily associated with symptoms. Hence, the prevalence of cam and pincer deformities in the overall population may be underestimated. The purpose of this study was to screen an unselected cohort of people without hip symptoms for native radiological signs of cam and pincer deformities to determine their actual prevalence. Materials and Methods 110 asymptomatic patients had AP pelvis X-rays and cross-table hip X-rays performed. We evaluated the images for the presence of cross-over signs and measured lateral center edge (LCE) angles, alpha angles (α-angles), and femoral offset ratios. Results Positive cross-over signs were seen in 34%; LCE angles > 40° in 13%; and femoral offset ratios < 0.18 in 43%. In 41% of the patients, α-angles were >50°. Male patients showed significantly higher α-angles, lower offset ratios, and a higher prevalence of cross-over signs. In contrast, female patients had significantly higher LCE angles. Conclusion According to our data, radiological signs of cam and pincer deformities are common in asymptomatic people. In clinical practice, patients presenting with hip pain and radiological signs of FAI should undergo further diagnostic evaluation. However, in asymptomatic patients, no further evaluation is recommended.
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Harris JD. Author's Reply. Arthroscopy 2017; 33:2102-2104. [PMID: 29198347 DOI: 10.1016/j.arthro.2017.10.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/17/2017] [Accepted: 10/10/2017] [Indexed: 02/02/2023]
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Wyles CC, Norambuena GA, Howe BM, Larson DR, Levy BA, Yuan BJ, Trousdale RT, Sierra RJ. Cam Deformities and Limited Hip Range of Motion Are Associated With Early Osteoarthritic Changes in Adolescent Athletes: A Prospective Matched Cohort Study. Am J Sports Med 2017; 45:3036-3043. [PMID: 28820271 DOI: 10.1177/0363546517719460] [Citation(s) in RCA: 65] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
BACKGROUND The natural history of femoroacetabular impingement (FAI) remains incompletely understood. In particular, there is limited documentation of joint damage in adolescent patients with limited range of motion (LROM) of the hip, which is commonly associated with FAI. PURPOSE To evaluate changes in magnetic resonance imaging (MRI), radiographs, and clinical examinations over 5 years in a group of athletes from a wide variety of sports with asymptomatic LROM of the hip compared with matched controls. STUDY DESIGN Cohort study (prognosis); Level of evidence, 2. METHODS The authors screened 226 male and female athletes aged 12 to 18 years presenting for preparticipation sports physical examinations. Using a goniometer, we identified 13 participants with at least one hip having internal rotation <10° with the hip flexed to 90°. Overall, 21 of 26 hips (81%) had internal rotation <10°. These participants were age- and sex-matched to 13 controls with internal rotation >10°. At the time of enrollment, all participants were asymptomatic and underwent a complete hip examination and radiographic imaging with radiographs (anteroposterior [AP] and von Rosen views) and non-arthrogram MRI. Participants returned at 5-year follow-up and underwent repeat hip examinations, imaging (AP and lateral radiographs and non-arthrogram MRI), and hip function questionnaires. MRI scans were classified as "normal" versus "abnormal" based on the presence of any of 13 scored chondral, labral, or osseous abnormalities. Comparisons between the LROM group and control group were performed using generalized linear models (either linear, logistic, or log-binomial regression as appropriate for the outcome) with generalized estimating equations to account for the within-participant correlation due to patients having both hips included. Relative risk (RR) estimates are reported with 95% CIs. RESULTS At the time of study enrollment, 16 of 26 hips (62%) in the LROM group had abnormal MRI findings within the acetabular labrum or cartilage compared with 8 of 26 hips (31%) in the control group (RR, 2.0; 95% CI, 0.95-4.2; P = .067). The mean alpha angle measured from radial MRI sequences was 58° in the LROM group versus 44° in the control group ( P < .0001). In the LROM group, 13 of 26 hips (50%) had a positive anterior impingement sign, whereas 0 of 26 hips (0%) had a positive anterior impingement sign in the control group. At 5-year follow-up, 18 of 19 hips (95%) in the LROM group had abnormal MRI findings compared with 14 of 26 hips (54%) in the control group (RR, 1.7; 95% CI, 1.1-2.7; P = .014). New or progressive findings were documented on MRI in 15 of 20 hips in the LROM group compared with 8 of 26 hips in the control group (RR, 2.4; 95% CI, 1.2-4.8; P = .011). Six of 22 hips (27%) in the LROM group progressed from Tönnis grade 0 to Tönnis grade 1 in degenerative changes, whereas all 26 hips in the control group remained at Tönnis grade 0 on hip radiographs. In the LROM group, 11 of 22 hips (50%) had a positive anterior impingement sign, whereas 1 of 26 hips (4%) had a positive anterior impingement sign in the control group. A cam deformity (alpha angle >55° on lateral radiographs) was present in 20 of 22 hips (91%) in the LROM group and 12 of 26 hips (46%) in the control group ( P = .0165). The following variables at baseline were associated with an increased risk of degenerative changes at 5-year follow-up for the entire cohort: decreased hip internal rotation, positive anterior impingement sign, decreased hip flexion, increased alpha angle, and presence of a cam lesion. CONCLUSION At 5 years, young athletes with LROM of the hip showed increased progressive degenerative changes on MRI and radiographs compared with matched controls. Although the majority of these participants remained asymptomatic, those with features of FAI had radiographic findings consistent with early osteoarthritis. These outcomes suggest that more aggressive screening and counseling of young active patients may be helpful to prevent hip osteoarthritis in those with FAI.
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Affiliation(s)
- Cody C Wyles
- Department of Orthopedic Surgery, Mayo Clinic, Rochester, Minnesota, USA
| | | | - Benjamin M Howe
- Department of Radiology, Mayo Clinic, Rochester, Minnesota, USA
| | - Dirk R Larson
- Division of Biomedical Statistics and Informatics, Mayo Clinic, Rochester, Minnesota, USA
| | - Bruce A Levy
- Department of Orthopedic Surgery, Mayo Clinic, Rochester, Minnesota, USA
| | - Brandon J Yuan
- Department of Orthopedic Surgery, Mayo Clinic, Rochester, Minnesota, USA
| | - Robert T Trousdale
- Department of Orthopedic Surgery, Mayo Clinic, Rochester, Minnesota, USA
| | - Rafael J Sierra
- Department of Orthopedic Surgery, Mayo Clinic, Rochester, Minnesota, USA
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Harris JD, Brand JC, Cote MP, Dhawan A. Research Pearls: The Significance of Statistics and Perils of Pooling. Part 3: Pearls and Pitfalls of Meta-analyses and Systematic Reviews. Arthroscopy 2017; 33:1594-1602. [PMID: 28457677 DOI: 10.1016/j.arthro.2017.01.055] [Citation(s) in RCA: 83] [Impact Index Per Article: 11.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/06/2016] [Revised: 01/28/2017] [Accepted: 01/31/2017] [Indexed: 02/02/2023]
Abstract
Within the health care environment, there has been a recent and appropriate trend towards emphasizing the value of care provision. Reduced cost and higher quality improve the value of care. Quality is a challenging, heterogeneous, variably defined concept. At the core of quality is the patient's outcome, quantified by a vast assortment of subjective and objective outcome measures. There has been a recent evolution towards evidence-based medicine in health care, clearly elucidating the role of high-quality evidence across groups of patients and studies. Synthetic studies, such as systematic reviews and meta-analyses, are at the top of the evidence-based medicine hierarchy. Thus, these investigations may be the best potential source of guiding diagnostic, therapeutic, prognostic, and economic medical decision making. Systematic reviews critically appraise and synthesize the best available evidence to provide a conclusion statement (a "take-home point") in response to a specific answerable clinical question. A meta-analysis uses statistical methods to quantitatively combine data from single studies. Meta-analyses should be performed with high methodological quality homogenous studies (Level I or II) or evidence randomized studies, to minimize confounding variable bias. When it is known that the literature is inadequate or a recent systematic review has already been performed with a demonstration of insufficient data, then a new systematic review does not add anything meaningful to the literature. PROSPERO registration and PRISMA (Preferred Reporting Items for Systematic Reviews and Meta-Analyses) guidelines assist authors in the design and conduct of systematic reviews and should always be used. Complete transparency of the conduct of the review permits reproducibility and improves fidelity of the conclusions. Pooling of data from overly dissimilar investigations should be avoided. This particularly applies to Level IV evidence, that is, noncomparative investigations. With proper technique, systematic reviews and meta-analyses have the potential to be powerful investigations that efficiently assist clinicians in decision making.
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Affiliation(s)
- Joshua D Harris
- Houston Methodist Orthopedics and Sports Medicine, Houston, Texas, U.S.A..
| | | | - Mark P Cote
- UConn Musculoskeletal Institute, Human Soft Tissue Research Laboratory, UConn Health, Farmington, Connecticut, U.S.A
| | - Aman Dhawan
- Penn State Hershey Bone and Joint Institute, Hershey, Pennsylvania, U.S.A
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Abstract
BACKGROUND There is a dearth of literature examining the causes of cam-type femoroacetabular impingement (FAI) and when such morphology appears. The purpose of the current study was to analyze how the ossific portion of the proximal femur develops over time with respect to standard cam-type FAI parameters. METHODS A collection of 193 femurs from cadavers aged 4 to 21 years were evaluated. The age, sex, ethnicity, and status of the proximal femoral physes (open or closed) of each were recorded. Each specimen was digitally photographed in standardized anteroposterior and modified axial positions. From these photographs, the anterior offset, anterior offset ratio (AOR), and α-angle were determined. A cam lesion was defined as an α-angle >55 degrees on the lateral view. RESULTS The mean age of the specimens was 17.5±4.2 years. The majority were male (69%) and African American (79%) with closed physes (78%). There were significant differences among discrete age groups with respect to α-angle (P=0.01), anterior offset (P<0.01), and AOR (P<0.01). In addition, younger femurs with open physes had a significantly higher mean α-angle (P<0.01), lower mean anterior offset (P<0.01), and higher mean AOR (P<0.01) compared with older ones with closed physes. Specimens defined as having a cam deformity had a statistically higher α-angle (P<0.01) and lower anterior offset (P<0.01), but there was no difference in AOR values compared with specimens without a cam lesion (P=0.1). CONCLUSIONS The apparent decline in α-angles as age increases indicates that the traditional α-angle in younger patients measures a different anatomic parameter (ossified femur excluding the cartilaginous portion) than in older patients (completely ossified femur). This suggests that the bony α-angle is inappropriate in the evaluation of cam lesions in the immature physis. The AOR, rather than the anterior offset, may be more accurate in the evaluation of the growing proximal femur. CLINICAL RELEVANCE This study provides novel insight into, and enhances the understanding of, the development of cam-type FAI.
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Marin-Peña O, Tey-Pons M, Perez-Carro L, Said HG, Sierra P, Dantas P, Villar RN. The current situation in hip arthroscopy. EFORT Open Rev 2017; 2:58-65. [PMID: 28507776 PMCID: PMC5420826 DOI: 10.1302/2058-5241.2.150041] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
Hip arthroscopy is an evolving surgical technique that has recently increased in popularity. Although femoroacetabular impingement was an important launch pad for this technique, extra-articular pathology has been described through hip endoscopy. Good clinical results in the medium term will allow improvements in this technique and increase its indications.
Cite this article: EFORT Open Rev 2017;2:58-65. DOI: 10.1302/2058-5241.2.150041
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Affiliation(s)
- Oliver Marin-Peña
- Orthopedic Surgery and Traumatology, University Hospital Infanta Leonor, Madrid, Spain
| | | | | | | | - Pablo Sierra
- Madrid. University Hospital Torrejon, Madrid, Spain
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Griffin DR, Dickenson EJ, O'Donnell J, Agricola R, Awan T, Beck M, Clohisy JC, Dijkstra HP, Falvey E, Gimpel M, Hinman RS, Hölmich P, Kassarjian A, Martin HD, Martin R, Mather RC, Philippon MJ, Reiman MP, Takla A, Thorborg K, Walker S, Weir A, Bennell KL. The Warwick Agreement on femoroacetabular impingement syndrome (FAI syndrome): an international consensus statement. Br J Sports Med 2017; 50:1169-76. [PMID: 27629403 DOI: 10.1136/bjsports-2016-096743] [Citation(s) in RCA: 568] [Impact Index Per Article: 81.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/31/2016] [Indexed: 12/29/2022]
Abstract
The 2016 Warwick Agreement on femoroacetabular impingement (FAI) syndrome was convened to build an international, multidisciplinary consensus on the diagnosis and management of patients with FAI syndrome. 22 panel members and 1 patient from 9 countries and 5 different specialties participated in a 1-day consensus meeting on 29 June 2016. Prior to the meeting, 6 questions were agreed on, and recent relevant systematic reviews and seminal literature were circulated. Panel members gave presentations on the topics of the agreed questions at Sports Hip 2016, an open meeting held in the UK on 27-29 June. Presentations were followed by open discussion. At the 1-day consensus meeting, panel members developed statements in response to each question through open discussion; members then scored their level of agreement with each response on a scale of 0-10. Substantial agreement (range 9.5-10) was reached for each of the 6 consensus questions, and the associated terminology was agreed on. The term 'femoroacetabular impingement syndrome' was introduced to reflect the central role of patients' symptoms in the disorder. To reach a diagnosis, patients should have appropriate symptoms, positive clinical signs and imaging findings. Suitable treatments are conservative care, rehabilitation, and arthroscopic or open surgery. Current understanding of prognosis and topics for future research were discussed. The 2016 Warwick Agreement on FAI syndrome is an international multidisciplinary agreement on the diagnosis, treatment principles and key terminology relating to FAI syndrome.Author note The Warwick Agreement on femoroacetabular impingement syndrome has been endorsed by the following 25 clinical societies: American Medical Society for Sports Medicine (AMSSM), Association of Chartered Physiotherapists in Sports and Exercise Medicine (ACPSEM), Australasian College of Sports and Exercise Physicians (ACSEP), Austian Sports Physiotherapists, British Association of Sports and Exercise Medicine (BASEM), British Association of Sport Rehabilitators and Trainers (BASRaT), Canadian Academy of Sport and Exercise Medicine (CASEM), Danish Society of Sports Physical Therapy (DSSF), European College of Sports and Exercise Physicians (ECOSEP), European Society of Sports Traumatology, Knee Surgery and Arthroscopy (ESSKA), Finnish Sports Physiotherapist Association (SUFT), German-Austrian-Swiss Society for Orthopaedic Traumatologic Sports Medicine (GOTS), International Federation of Sports Physical Therapy (IFSPT), International Society for Hip Arthroscopy (ISHA), Groupo di Interesse Specialistico dell'A.I.F.I., Norwegian Association of Sports Medicine and Physical Activity (NIMF), Norwegian Sports Physiotherapy Association (FFI), Society of Sports Therapists (SST), South African Sports Medicine Association (SASMA), Sports Medicine Australia (SMA), Sports Doctors Australia (SDrA), Sports Physiotherapy New Zealand (SPNZ), Swedish Society of Exercise and Sports Medicine (SFAIM), Swiss Society of Sports Medicine (SGMS/SGSM), Swiss Sports Physiotherapy Association (SSPA).
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Affiliation(s)
- D R Griffin
- Warwick Medical School, University of Warwick, Coventry, UK University Hospitals of Coventry and Warwickshire NHS Trust, Coventry, UK
| | - E J Dickenson
- Warwick Medical School, University of Warwick, Coventry, UK University Hospitals of Coventry and Warwickshire NHS Trust, Coventry, UK
| | - J O'Donnell
- Hip Arthroscopy Australia, Melbourne, Victoria, Australia St Vincents Private Hospital, East Melbourne, Victoria, Australia
| | - R Agricola
- Department of Orthopaedics, Erasmus University Medical Centre, Rotterdam, The Netherlands
| | - T Awan
- Medsport, Department of Orthopaedic Surgery, University of Michigan, Ann Arbor, Michigan, USA
| | - M Beck
- Department of Clinic of Orthopaedic and Trauma Surgery, Luzerner Kantonspital, Luzern, Switzerland
| | - J C Clohisy
- Department of Orthopaedic Surgery, Washington University School of Medicine St. Louis, St. Louis, Missouri, USA
| | - H P Dijkstra
- Aspetar, Qatar Orthopaedic and Sports Medicine Hospital, Doha, Qatar
| | - E Falvey
- Sports Surgery Clinic, Dublin, Ireland Department of Medicine, University College Cork, Cork, Ireland
| | | | - R S Hinman
- Department of Physiotherapy, The University of Melbourne, Melbourne, Victoria, Australia
| | - P Hölmich
- Aspetar, Qatar Orthopaedic and Sports Medicine Hospital, Doha, Qatar Department of Orthopaedic Surgery, Sports Orthopaedic Research Center (SORC-C), Copenhagen University Hospital, Amager-Hvidovre, Denmark
| | - A Kassarjian
- Corades, LLC, Brookline, Massachusetts, USA Medical Service, Madrid Open Tennis, Madrid, Spain
| | - H D Martin
- Hip Preservation Center, Baylor University Medical Center at Dallas, Dallas, Texas, USA
| | - R Martin
- Rangos School of Health Sciences, Physical Therapy, Duquesne University, Pittsburgh, Pennsylvania, USA UPMC Center for Sports Medicine, Pittsburgh, Pennsylvania, USA
| | - R C Mather
- Department of Orthopaedic Surgery, Duke University Medical Center, Durham, North Carolina, USA
| | - M J Philippon
- Steadman Philippon Research Institute, Vail, Colorado, USA
| | - M P Reiman
- Department of Orthopaedic Surgery, Duke University Medical Center, Durham, North Carolina, USA
| | - A Takla
- Hip Arthroscopy Australia, Melbourne, Victoria, Australia Australian Sports Physiotherapy Department of Physiotherapy, The University of Melbourne, Centre for Health, Exercise and Sports Medicine, Melbourne, Victoria, Australia Bond University
| | - K Thorborg
- Department of Orthopaedic Surgery, Sports Orthopaedic Research Center (SORC-C), Copenhagen University Hospital, Amager-Hvidovre, Denmark
| | | | - A Weir
- Aspetar, Qatar Orthopaedic and Sports Medicine Hospital, Doha, Qatar Amsterdam Centre for Evidence-based Sports Medicine, Academic Medical Centre, Amsterdam, The Netherlands
| | - K L Bennell
- Department of Physiotherapy, The University of Melbourne, Centre for Health, Exercise and Sports Medicine, Melbourne, Victoria, Australia
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Viswanath A, Khanduja V. Can hip arthroscopy in the presence of arthritis delay the need for hip arthroplasty? J Hip Preserv Surg 2017. [PMID: 28630715 PMCID: PMC5467425 DOI: 10.1093/jhps/hnw050] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Hip arthroscopy for joint preservation surgery has grown immensely over the last two decades. There is now an increasing trend to try and expand the role of hip arthroscopy to include patients of an older age or perhaps even with signs of arthritis, instead of the established patient group of young adults with mechanical symptoms or serious athletes. But how much of this growth is really justified? Once arthritis is apparent, the arthroscopic procedures needed to try and limit progression of the disease are likely to be different to those needed in young adult non-arthritic hips. Similarly, the expectation of results following an arthroscopic procedure in an older adult with arthritis must also be different. With an almost 5-fold increase in conversion rate from arthroscopy to arthroplasty in the over 50s population, arthroscopy in arthritis is a different procedure, with a different outcome, to arthroscopy in young adults with no evidence of osteoarthritis. This article takes a closer inspection at outcomes following hip arthroscopy in the older population particularly in those with evidence of early arthritis. This paper does not attempt to make recommendations in other diagnoses such as inflammatory arthritis or other secondary arthritides. It must be considered that hip arthroscopy is not a benign intervention: as well as the surgical risks, the lengthy rehabilitation period should be factored into the equation. Although the nature of surgeons is to find new techniques and push boundaries, we highlight the need for caution in undertaking arthroscopic intervention when arthritis is already apparent at presentation.
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Affiliation(s)
- A Viswanath
- Department of Trauma & Orthopaedics, Addenbrooke's - Cambridge University Hospital NHS Foundation Trust, Box 37, Hills Road, Cambridge CB2 0QQ, UK
| | - V Khanduja
- Department of Trauma & Orthopaedics, Addenbrooke's - Cambridge University Hospital NHS Foundation Trust, Box 37, Hills Road, Cambridge CB2 0QQ, UK
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Smith KM, Gerrie BJ, McCulloch PC, Lewis BD, Mather RC, Van Thiel G, Nho SJ, Harris JD. Arthroscopic hip preservation surgery practice patterns: an international survey. J Hip Preserv Surg 2017; 4:18-29. [PMID: 28630717 PMCID: PMC5467413 DOI: 10.1093/jhps/hnw036] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/10/2016] [Accepted: 10/02/2016] [Indexed: 11/13/2022] Open
Abstract
To design and conduct a survey analyzing pre-, intra- and post- hip arthroscopy practice patterns among hip arthroscopists worldwide. A 21-question, IRB-exempt, HIPAA-compliant, cross-sectional survey was conducted via email using SurveyMonkey to examine pre-operative evaluation, intra-operative techniques and post-operative management. The survey was administered internationally to 151 hip arthroscopists identified from publicly available sources. Seventy-five respondents completed the survey (151 ± 116 hip arthroscopy procedures per year; 8.6 ± 7.1 years hip arthroscopy experience). Standing AP pelvis, false profile and Dunn 45 were the most common radiographs utilized. CT scans were utilized by 54% of surgeons at least some of the time. Only 56% of participants recommended an arthrogram with MRI. Nearly all surgeons either never (40%) or infrequently (58%) performed arthroscopy in Tönnis grade-2 or grade-3 osteoarthritis. Surgeons rarely performed hip arthroscopy on patients with dysplasia (51% never; 44% infrequently). Only 25% of participants perform a routine 'T' capsulotomy and 41% close the capsule if the patient is at risk for post-operative instability. Post-operatively, 52% never use a brace, 39% never use a continuous passive motion, 11% never recommended heterotopic ossification prophylaxis and 30% never recommended formal thromboembolic disease prophylaxis. Among a large number of high-volume experienced hip arthroscopists worldwide, pre-, intra- and post- hip arthroscopy practice patterns have been established and reported. Within this cohort of respondents, several areas of patient evaluation and management remain discordant and controversial without universal agreement. Future research should move beyond expert opinion level V evidence towards high-quality appropriately designed and conducted investigations.
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Affiliation(s)
- Kevin M. Smith
- Houston Methodist Orthopedics and Sports Medicine, 6550 Fannin Street, Smith Tower, Suite 2500, Houston, TX 77030, USA
| | - Brayden J. Gerrie
- Houston Methodist Orthopedics and Sports Medicine, 6550 Fannin Street, Smith Tower, Suite 2500, Houston, TX 77030, USA
| | - Patrick C. McCulloch
- Houston Methodist Orthopedics and Sports Medicine, 6550 Fannin Street, Smith Tower, Suite 2500, Houston, TX 77030, USA
| | - Brian D. Lewis
- Department of Orthopaedic Surgery, Duke University Medical Center, Box 2887, Durham, NC 27710, USA
| | - R. Chad Mather
- Department of Orthopaedic Surgery, Duke University Medical Center, Box 2887, Durham, NC 27710, USA
| | - Geoffrey Van Thiel
- Crystal Lake Orthopedics, A Division Of Rockford Orthopedic Associated, Ltd. 750 Terra Cotta Ave, Crystal Lake, IL 60014, USA
| | - Shane J. Nho
- Midwest Orthopedics at Rush, Rush University Medical Center, 1611 W Harrison, Chicago, IL 60661, USA
| | - Joshua D. Harris
- Houston Methodist Orthopedics and Sports Medicine, 6550 Fannin Street, Smith Tower, Suite 2500, Houston, TX 77030, USA
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Ahn T, Kim CH, Kim TH, Chang JS, Jeong MY, Aditya K, Yoon PW. What is the Prevalence of Radiographic Hip Findings Associated With Femoroacetabular Impingement in Asymptomatic Asian Volunteers? Clin Orthop Relat Res 2016; 474:2655-2661. [PMID: 27506973 PMCID: PMC5085936 DOI: 10.1007/s11999-016-5013-y] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/26/2016] [Accepted: 07/29/2016] [Indexed: 01/31/2023]
Abstract
BACKGROUND Morphologic features of the proximal femur reminiscent of those seen in patients with femoroacetabular impingement (FAI) have been reported among asymptomatic individuals in Western populations, but whether this is the case in Asian populations is unknown. QUESTIONS/PURPOSES The purpose of this study was to determine the prevalence of radiographic findings in the proximal femur that are consistent with FAI in asymptomatic Korean volunteers. METHODS Two hundred asymptomatic volunteers with no prior hip surgery or childhood hip problems underwent three-view plain radiographs (pelvis AP view, Sugioka view, and 45° Dunn view) of both hips. There were 146 hips from male volunteers and 254 hips from female volunteers in the study. The mean age of all participants was 34.7 years (range, 21-49 years). Cam-type morphologic features were defined as the presence of the following on one or more of the three views: pistol-grip morphologic features, an osseous bump at the femoral head-neck junction, flattening of the femoral head-neck offset, or alpha angle greater than 55°. Pincer-type morphologic features were determined by radiographic signs, including crossover sign, deficient posterior wall sign, or lateral center-edge angle greater than 40°. RESULTS The prevalence of cam-type morphologic features seen on at least one radiograph was 38% (male, 57%; female, 26%). The prevalence of cam-type features (at least one positive cam-type feature) was 2.0% (male, 6%; female, 0%) on the pelvic AP view, 24% (male, 36%; female, 17%) on the Sugioka view, and 30% (male, 47%; female, 20%) on the 45° Dunn view. The prevalence of pincer-type morphologic features (at least one positive pincer-type feature) was 23% (male, 27%; female, 21%) on the pelvic AP view. CONCLUSION The prevalence of FAI-related morphologic features in asymptomatic Asian populations was comparable to the prevalence in Western populations. Considering the high prevalence of radiographic hip findings reminiscent of FAI in asymptomatic Asian populations, it will be important to determine whether FAI-related morphologic features are a cause of hip pain when considering surgery in Asian patients.
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Affiliation(s)
- Taesoo Ahn
- Department of Orthopedic Surgery, Asan Medical Center, University of Ulsan College of Medicine, 88, Olympic-ro, 43-gil, Songpa-gu, Seoul, 05505 South Korea
| | - Chul-Ho Kim
- Department of Orthopedic Surgery, Asan Medical Center, University of Ulsan College of Medicine, 88, Olympic-ro, 43-gil, Songpa-gu, Seoul, 05505 South Korea
| | - Tae Hyung Kim
- Department of Orthopedic Surgery, Asan Medical Center, University of Ulsan College of Medicine, 88, Olympic-ro, 43-gil, Songpa-gu, Seoul, 05505 South Korea
| | - Jae Suk Chang
- Department of Orthopedic Surgery, Asan Medical Center, University of Ulsan College of Medicine, 88, Olympic-ro, 43-gil, Songpa-gu, Seoul, 05505 South Korea
| | - Mi Yeon Jeong
- Department of Orthopedic Surgery, Asan Medical Center, University of Ulsan College of Medicine, 88, Olympic-ro, 43-gil, Songpa-gu, Seoul, 05505 South Korea
| | - Kekatpure Aditya
- Department of Orthopedic Surgery, Asan Medical Center, University of Ulsan College of Medicine, 88, Olympic-ro, 43-gil, Songpa-gu, Seoul, 05505 South Korea
| | - Pil Whan Yoon
- Department of Orthopedic Surgery, Asan Medical Center, University of Ulsan College of Medicine, 88, Olympic-ro, 43-gil, Songpa-gu, Seoul, 05505 South Korea
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Tjong VK, Cogan CJ, Riederman BD, Terry MA. A Qualitative Assessment of Return to Sport After Hip Arthroscopy for Femoroacetabular Impingement. Orthop J Sports Med 2016; 4:2325967116671940. [PMID: 27896294 PMCID: PMC5117156 DOI: 10.1177/2325967116671940] [Citation(s) in RCA: 44] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/09/2023] Open
Abstract
BACKGROUND Hip arthroscopy for femoroacetabular impingement (FAI) is known to produce excellent outcomes, yet some patients do not return to their preinjury level of sport participation. Much literature on return to sport has revolved around anterior cruciate ligament reconstruction and even shoulder instability, but none to date have used qualitative, semistructured patient interviews on patients with hip labral tears. PURPOSE To understand the factors influencing the decision to return to sport after arthroscopic hip surgery for FAI. STUDY DESIGN Case series; Level of evidence, 4. METHODS An experienced interviewer conducted qualitative, semistructured interviews of patients aged 18 to 60 years who had arthroscopic hip surgery for FAI. All had preinjury participation in sport and a minimum 2-year follow-up with no revision surgery. Qualitative analysis was then performed to derive codes, categories, and themes. An assessment of preinjury and current sports participation by type, level of competition, and frequency along with patient-reported hip function was also obtained. In addition, current modified Harris Hip Score (mHHS), international Hip Outcome Tool (iHOT-12), Hip Outcome Score-sports-specific subscale (HOS-SSS), and a coping mechanism evaluation (Brief COPE) were also recorded. RESULTS A total of 23 patients were interviewed to reveal the overarching themes of internal motivation, external encouragement, and resetting expectations as the predominant factors influencing a patient's decision to return to preinjury sport. Subjective outcome measurements (mHHS, iHOT-12, patient satisfaction) showed significant differences between patients who did and did not return to sport. Interestingly, the adaptive and maladaptive coping mechanisms matched and supported our themes in those patients who described fear and self-motivation as defining features influencing their cessation of or return to play, respectively. CONCLUSION Self-motivation, aging, pain, encouragement from others, and adapting to physical limitations can largely affect a patient's decision to return to sport after arthroscopic hip surgery for FAI. Innate coping mechanisms may also help to predict the course of and subsequently aid in a patient's postoperative recovery.
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Affiliation(s)
- Vehniah K Tjong
- Department of Orthopaedic Surgery, Northwestern University Feinberg School of Medicine, Chicago, Illinois, USA
| | - Charles J Cogan
- Department of Orthopaedic Surgery, Northwestern University Feinberg School of Medicine, Chicago, Illinois, USA
| | - Brett D Riederman
- Department of Orthopaedic Surgery, Northwestern University Feinberg School of Medicine, Chicago, Illinois, USA
| | - Michael A Terry
- Department of Orthopaedic Surgery, Northwestern University Feinberg School of Medicine, Chicago, Illinois, USA
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Farrell G, McGrath F, Hogan B, Logan M, Denvir K, O’Connell B, Irwin E, Gissane C, Wilson F. 95% prevalence of abnormality on hip MRI in elite academy level rugby union: A clinical and imaging study of hip disorders. J Sci Med Sport 2016; 19:893-897. [DOI: 10.1016/j.jsams.2016.01.005] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2015] [Revised: 12/22/2015] [Accepted: 01/21/2016] [Indexed: 11/30/2022]
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Comba F, Piuzzi NS, Oñativia JI, Zanotti G, Buttaro M, Piccaluga F. Endoscopic Extra-articular Surgical Removal of Heterotopic Ossification of the Rectus Femoris Tendon in a Series of Athletes. Orthop J Sports Med 2016; 4:2325967116664686. [PMID: 27652285 PMCID: PMC5019195 DOI: 10.1177/2325967116664686] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/29/2022] Open
Abstract
BACKGROUND Calcific deposits in tendon, muscles, and periarticular areas are very common. Heterotopic ossification of the rectus femoris (HORF) is a rare condition, and several theories exist regarding the etiopathogenesis, which appears to be multifactorial with traumatic, genetic, and local metabolic factors involved. Although HORF typically responds to nonoperative treatment, when this approach fails, endoscopic treatment is a minimally invasive technique to address the pathology. PURPOSE To report the clinical and radiological outcomes of 9 athletes with HORF who underwent endoscopic resection. STUDY DESIGN Case series; Level of evidence, 4. METHODS Nine male athletes were treated with endoscopic extra-articular resection of HORF after failure of a 6-month course of nonoperative treatment. All patients were studied with radiographs, computed tomography, and magnetic resonance imaging. Outcomes were assessed clinically using the modified Harris Hip Score (mHHS), a visual analog scale for sport activity-related pain (VAS-SRP), patient satisfaction, and ability and time to return to the preoperative sport level. Radiographic assessment was performed to determine recurrence. RESULTS The mean age of the patients was 32 years (range, 23-47 years). Mean follow-up was 44 months (range, 14-73 months). All patients had improved mHHS scores from a mean preoperative of 65.6 (SD, 8.2) to 93.9 (SD, 3.6). Pain decreased from a mean 8.2 preoperatively (SD, 0.9) to 0.4 (SD, 0.7) at last follow-up. There were no complications, and all patients were able to return to their previous sports at the same level except for 1 recreational athlete. There was only 1 radiological recurrence at last follow-up in an asymptomatic patient. CONCLUSION To our knowledge, this is the largest case series of athletes with HORF treated with endoscopic resection. We found this extra-articular endoscopic technique to be safe and effective, showing clinical outcome improvement and 90% chance of return to full activity. We also found 10% recurrence rate of asymptomatic heterotopic ossification.
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Affiliation(s)
- Fernando Comba
- Institute of Orthopedics “Carlos E. Ottolenghi,” Italian Hospital of Buenos Aires, Buenos Aires, Argentina
| | - Nicolás S. Piuzzi
- Institute of Orthopedics “Carlos E. Ottolenghi,” Italian Hospital of Buenos Aires, Buenos Aires, Argentina
| | - José Ignacio Oñativia
- Institute of Orthopedics “Carlos E. Ottolenghi,” Italian Hospital of Buenos Aires, Buenos Aires, Argentina
| | - Gerardo Zanotti
- Institute of Orthopedics “Carlos E. Ottolenghi,” Italian Hospital of Buenos Aires, Buenos Aires, Argentina
| | - Martín Buttaro
- Institute of Orthopedics “Carlos E. Ottolenghi,” Italian Hospital of Buenos Aires, Buenos Aires, Argentina
| | - Francisco Piccaluga
- Institute of Orthopedics “Carlos E. Ottolenghi,” Italian Hospital of Buenos Aires, Buenos Aires, Argentina
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Abstract
The importance of the acetabular labrum has been increasingly recognized, playing a critical role in both normal anatomy and abnormal pathology of the hip joint. The labrum increases acetabular surface area and volume, providing a stable and durable articulation. The fibrocartilaginous composition affords a tissue capable of a lifetime of normal function in the absence of significant osseous pathology. In the setting of femoroacetabular impingement (FAI) or dysplasia, bony biomechanics may cause labral injury, which may translate to patient symptoms. Long-term consequences of labral tears may include joint degeneration. Labral preservation surgery emphasizes retention of the form and function of the labrum, prioritizing labral repair (in the presence of reparable tissue) and reconstruction (in the absence of reparable tissue) over debridement. Patient-reported outcomes have consistently demonstrated significantly better results following labral repair versus debridement. In conjunction with correction of osseous abnormalities, labral surgery can improve short-term outcomes and potentially reduce the risk of long-term osteoarthritis.
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Affiliation(s)
- Joshua D Harris
- Houston Methodist Orthopedics & Sports Medicine, 6550 Fannin Street, Smith Tower, Suite 2500, Houston, TX, 77030, USA. .,Weill Cornell Medical College, New York, NY, 10065, USA.
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Does Femoroacetabular Impingement Contribute to the Development of Hip Osteoarthritis? A Systematic Review. Sports Med Arthrosc Rev 2016; 23:174-9. [PMID: 26524551 DOI: 10.1097/jsa.0000000000000091] [Citation(s) in RCA: 62] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
Femoroacetabular impingement (FAI) has been linked to specific patterns of cartilage damage. The goal of this systematic review is to answer the following questions: (1) Does FAI contribute to the development and progression of hip osteoarthritis (OA)? (2) If FAI does contribute to the development and progression of hip OA, does CAM-type or pincer-type impingement play a greater role? A search of the electronic databases, MEDLINE and EMBASE, was performed to identify relevant studies performed between January 1, 2000 and January 1, 2015 that link the pathophysiology of OA to FAI. Methodological quality of included studies was assessed by 2 reviewers using the Methodological Index for Non-Randomized Studies criteria. An intraclass correlation coefficient with 95% confidence intervals was used to determine agreement between reviewers on quality scores. Overall 35 studies were identified that met inclusion criteria. Certain morphologic features of CAM-type FAI, particularly elevated alpha angle, do seem to predispose select patients to radiographic progression of hip OA. In comparison with pincer-type impingement, the association between CAM-type impingement and hip OA is better understood. Long-term surgical outcome studies will further delineate the role of FAI in the development and progression of hip OA.
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Femoroacetabular Impingement: Have We Hit a Global Tipping Point in Diagnosis and Treatment? Results From the InterNational Femoroacetabular Impingement Optimal Care Update Survey (IN FOCUS). Arthroscopy 2016; 32:779-787.e4. [PMID: 26775733 DOI: 10.1016/j.arthro.2015.10.011] [Citation(s) in RCA: 45] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/18/2015] [Revised: 08/10/2015] [Accepted: 10/27/2015] [Indexed: 02/02/2023]
Abstract
PURPOSE This international survey was conducted to assess the perceptions of orthopaedic surgeons regarding the diagnosis and management of femoroacetabular impingement (FAI) as well as to explore the current demographic characteristics of surgeons performing FAI surgery. METHODS A survey was developed using previous literature, focus groups, and a sample-to-redundancy strategy. The survey contained 46 questions and was e-mailed to national orthopaedic associations and orthopaedic sports medicine societies for member responses. Members were contacted on multiple occasions to increase the response rate. RESULTS Nine hundred orthopaedic surgeons from 20 national and international organizations completed the survey. Surgeons responded across 6 continents, 58.2% from developed nations, with 35.4% having sports fellowship training. North American and European surgeons reported significantly greater exposure to hip arthroscopy during residency and fellowship training in comparison to international respondents (48.0% and 44.5% respectively, v 25.6%; P < .001). Surgeons performing a higher volume of FAI surgery (> 100 cases per year) were significantly more likely to have practiced for more than 20 years (odds ratio [OR], 1.91; 95% confidence interval [CI], 1.01 to 3.63), to be practicing at an academic hospital (OR, 2.25; 95% CI, 1.22 to 4.15), and to have formal arthroscopy training (OR, 46.17; 95% CI, 20.28 to 105.15). High-volume surgeons were over two-fold more likely to practice in North America and Europe (OR, 2.26; 95% CI, 1.08 to 4.72). CONCLUSIONS The exponential rise in the diagnosis and surgical management of FAI appears to be driven largely by experienced surgeons in developed nations. Significant variability exists regarding the diagnosis and management of FAI. Our analysis suggests that although FAI management is early in the innovation cycle, we are at a tipping point toward wider uptake and use.
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Khan M, Bedi A, Fu F, Karlsson J, Ayeni OR, Bhandari M. New perspectives on femoroacetabular impingement syndrome. Nat Rev Rheumatol 2016; 12:303-10. [PMID: 26963727 DOI: 10.1038/nrrheum.2016.17] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
Femoroacetabular impingement (FAI) is characterized by an abnormality in the shape of the femoral head-neck or acetabulum that results in impingement between these two structures. Arthroscopic treatment has become the preferred method of management of FAI owing to its minimally invasive approach. Surgical correction involves resection of impinging osseous structures as well as concurrent management of the associated chondral and labral pathology. Research from the past 5 years has shown that repair of the labrum results in a better anatomic correction and improved outcomes compared with labral debridement. Research is underway to improve cartilage assessment by using innovative imaging techniques and biochemical tests to inform predictions of prognosis. Several ongoing randomized controlled trials, including the Femoroacetabular Impingement Trial (FAIT) and the Femoroacetabular Impingement Randomized Controlled Trial (FIRST), will provide critical information regarding the diagnosis, management and prognosis of patients undergoing arthroscopic management of FAI.
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Affiliation(s)
- Moin Khan
- Division of Orthopaedics, Department of Surgery, McMaster University, 1280 Main Street West, Hamilton, Ontario L8S 4L8, Canada
| | - Asheesh Bedi
- MedSport, Department of Orthopaedic Surgery, University of Michigan, 24 Frank Lloyd Wright Drive, Ann Arbor, Michigan 48105, USA
| | - Freddie Fu
- Department of Orthopaedic Surgery, University of Pittsburgh, 3471 Fifth Avenue 1011, Pittsburgh, Pennsylvania 15213, USA
| | - Jon Karlsson
- Department of Orthopaedics, Institute of Clinical Sciences, The Sahlgrenska Academy, University of Gothenburg, SE 413 45 Gothenburg, Sweden
| | - Olufemi R Ayeni
- Division of Orthopaedics, Department of Surgery, McMaster University, 1280 Main Street West, Hamilton, Ontario L8S 4L8, Canada
| | - Mohit Bhandari
- Division of Orthopaedics, Department of Surgery, McMaster University, 1280 Main Street West, Hamilton, Ontario L8S 4L8, Canada
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Amar E, Wong IH, Coady CM, Glazebrook MA. Despite its current widespread use, evidence to support the indications for hip arthroscopy lags behind: a review of current literature. J ISAKOS 2016. [DOI: 10.1136/jisakos-2015-000032] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Tak I, Glasgow P, Langhout R, Weir A, Kerkhoffs G, Agricola R. Hip Range of Motion Is Lower in Professional Soccer Players With Hip and Groin Symptoms or Previous Injuries, Independent of Cam Deformities. Am J Sports Med 2016; 44:682-8. [PMID: 26673034 DOI: 10.1177/0363546515617747] [Citation(s) in RCA: 51] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
BACKGROUND Soccer (football) players often have hip and groin symptoms (HGS), and a previous groin injury is a risk factor for a relapse. Decreased hip range of motion (HROM) has been related to both hip and groin pain and the presence of a cam deformity. How these factors interact is unknown. PURPOSE The first aim was to study whether HGS are associated with HROM. The second aim was to study the association of the presence of a cam deformity with HROM. Additionally, the influence of a cam deformity on the relationship between HGS and HROM was examined. STUDY DESIGN Cross-sectional study; Level of evidence, 3. METHODS Seasonal screening data of 2 professional soccer clubs were used. Variables for HGS were current hip or groin pain, the Copenhagen Hip and Groin Outcome Score (HAGOS), and previous hip- and groin-related time-loss injuries (HGTIs). HROM was determined for hip internal rotation (IR), external rotation, and total rotation (TR) in the supine position and for the bent knee fall out (BKFO) test. A cam deformity was defined by an alpha angle >60° on standardized anteroposterior pelvic and frog-leg lateral radiographs. RESULTS Sixty players (mean [±SD] age, 23.1 ± 4.2 years) were included. All were noninjured at the time of screening. Current hip or groin pain was not associated with HROM. Hips of players in the lowest HAGOS interquartile range (thus most affected by complaints; n = 12) showed less IR (23.9° ± 8.7° vs 28.9° ± 7.8°, respectively; P = .036) and TR (58.2° ± 13.5° vs 65.6° ± 11.8°, respectively; P = .047) than those in the highest interquartile range (n = 29). No such differences were found for BKFO (P = .417). Hips of players with a previous HGTI showed less IR (21.1° ± 6.8° vs 28.3° ± 8.9°, respectively; P < .001) and TR (56.0° ± 8.2° vs 64.5° ± 13.6°, respectively; P < .001) than those without a previous HGTI. This was independent of the presence of a cam deformity. BKFO did not differ between groups (P = .983). Hips with a cam deformity showed less but nonsignificant IR (25.5° ± 10.3° vs 29.0° ± 7.1°, respectively; P = .066) and TR (P = .062) and higher but nonsignificant BKFO values (17.1 cm ± 3.4 cm vs 14.2 cm ± 4.6 cm, respectively; P = .078) than those without a cam deformity. CONCLUSION Decreased HROM in professional soccer players is associated with more hip- and groin-related symptoms and with previous injuries, independent of the presence of a cam deformity.
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Affiliation(s)
- Igor Tak
- Sports Rehabilitation and Manual Therapy Department, Physiotherapy Utrecht Oost, Utrecht, the Netherlands Department of Orthopaedics, Academic Medical Centre, Amsterdam, the Netherlands Academic Centre for Evidence based Sports Medicine (ACES), Amsterdam, the Netherlands Amsterdam Collaboration on Health and Safety in Sports (ACHSS), Amsterdam, the Netherlands
| | - Philip Glasgow
- Sports Institute of Northern Ireland, Belfast, Northern Ireland Sports Medicine Department, Ulster University, Belfast, Northern Ireland
| | - Rob Langhout
- Sports and Manual Therapy, Physiotherapy Dukenburg, Nijmegen, the Netherlands
| | - Adam Weir
- Sports Medicine Department, Aspetar Orthopaedic and Sports Medicine Hospital, Doha, Qatar
| | - Gino Kerkhoffs
- Department of Orthopaedics, Academic Medical Centre, Amsterdam, the Netherlands Academic Centre for Evidence based Sports Medicine (ACES), Amsterdam, the Netherlands Amsterdam Collaboration on Health and Safety in Sports (ACHSS), Amsterdam, the Netherlands
| | - Rintje Agricola
- Department of Orthopaedics, Erasmus University Medical Centre, Rotterdam, the Netherlands
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Arthroscopy Up to Date: Hip Femoroacetabular Impingement. Arthroscopy 2016; 32:177-89. [PMID: 26743420 DOI: 10.1016/j.arthro.2015.10.010] [Citation(s) in RCA: 48] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/31/2015] [Revised: 10/19/2015] [Accepted: 10/26/2015] [Indexed: 02/02/2023]
Abstract
PURPOSE To provide a comprehensive review and summary of the research published in Arthroscopy: The Journal of Arthroscopic and Related Surgery and The American Journal of Sports Medicine (AJSM) related to hip arthroscopy for femoroacetabular impingement (FAI). METHODS A comprehensive review was conducted in duplicate of Arthroscopy and AJSM from February 2012 to February 2015 for all articles related to FAI, and a quality assessment was completed for all included studies. Clinical outcomes were dichotomized into short-term (<6 months) and midterm (<24 months) outcomes, and values were pooled when possible. RESULTS We identified 60 studies in Arthroscopy and 44 studies in AJSM, primarily from North America (78.8%), that predominantly assessed clinical outcomes after arthroscopic hip surgery (46.1%). Seventy-one percent of Arthroscopy studies and 20.5% of AJSM studies were Level IV evidence. The modified Harris Hip Score (mHHS) was used by 81.5% of included studies. Pooled weighted mean mHHS values after arthroscopic surgery for FAI showed improvements at the midterm from 60.5 points (range, 56.6 to 83.6 points) to 80.5 points (range, 72.1 to 98.0 points) out of a possible 100 points. Pooled weighted outcomes for labral repair showed mean mHHS improvements from 63.8 points (range, 62.5 to 69.0 points) preoperatively to 86.9 points (range, 85.5 to 89.9 points) up to 24 months postoperatively. CONCLUSIONS This comprehensive review of research published in Arthroscopy and AJSM over the past 3 years identified a number of key findings. Arthroscopic intervention results in improvements in functional outcomes at both the short-term and midterm for patients with symptomatic FAI in the absence of significant existing degenerative changes. Labral repair may result in improvements over labral debridement. The most commonly used outcome score was the mHHS for objective assessment of surgical success. There is a need for continued focus on improvement of methodologic quality and reporting of research pertaining to FAI. LEVEL OF EVIDENCE Level IV, systematic review of Level IV studies.
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Mlynarek RA, Cowan JB, Larson CM, Kelly BT, Bedi A. Arthroscopic Approach to Femoroacetabular Impingement. J Arthroplasty 2015; 30:1096-104. [PMID: 25922123 DOI: 10.1016/j.arth.2015.04.016] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/13/2015] [Revised: 03/23/2015] [Accepted: 04/16/2015] [Indexed: 02/01/2023] Open
Affiliation(s)
- Ryan A Mlynarek
- Sports Medicine and Shoulder Service, Department of Orthopaedic Surgery, University of Michigan, Ann Arbor, Michigan
| | - James B Cowan
- Sports Medicine and Shoulder Service, Department of Orthopaedic Surgery, University of Michigan, Ann Arbor, Michigan
| | - Christopher M Larson
- Minnesota Orthopedic Sports Medicine Institute at Twin Cities Orthopedics, Edina, Minnesota
| | | | - Asheesh Bedi
- Sports Medicine and Shoulder Service, Department of Orthopaedic Surgery, University of Michigan, Ann Arbor, Michigan
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Frank JM, Harris JD, Erickson BJ, Slikker W, Bush-Joseph CA, Salata MJ, Nho SJ. Prevalence of Femoroacetabular Impingement Imaging Findings in Asymptomatic Volunteers: A Systematic Review. Arthroscopy 2015; 31:1199-204. [PMID: 25636988 DOI: 10.1016/j.arthro.2014.11.042] [Citation(s) in RCA: 282] [Impact Index Per Article: 31.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/02/2014] [Revised: 11/09/2014] [Accepted: 11/26/2014] [Indexed: 02/02/2023]
Abstract
PURPOSE The aim of this study was to determine the prevalence of radiographic findings suggestive of femoroacetabular impingement (FAI) in asymptomatic individuals. METHODS A systematic review was performed using Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines. Studies reporting radiographic, computed tomographic, or magnetic resonance imaging (MRI) findings that were suggestive of FAI in asymptomatic volunteers were included. Cam, pincer, and combined pathologic conditions were investigated. RESULTS We identified 26 studies for inclusion, comprising 2,114 asymptomatic hips (57.2% men; 42.8% women). The mean participant age was 25.3 ± 1.5 years. The mean alpha angle in asymptomatic hips was 54.1° ± 5.1°. The prevalence of an asymptomatic cam deformity was 37% (range, 7% to 100% between studies)-54.8% in athletes versus 23.1% in the general population. Of the 17 studies that measured alpha angles, 9 used MRI and 9 used radiography (1 study used both). The mean lateral and anterior center edge angles (CEAs) were 31.2° and 30°, respectively. The prevalence of asymptomatic hips with pincer deformity was 67% (range 61% to 76% between studies). Pincer deformity was poorly defined (4 studies [15%]; focal anterior overcoverage, acetabular retroversion, abnormal CEA or acetabular index, coxa profunda, acetabular protrusio, ischial spine sign, crossover sign, and posterior wall sign). Only 7 studies reported on labral injury, which was found on MRI without intra-articular contrast in 68.1% of hips. CONCLUSIONS FAI morphologic features and labral injuries are common in asymptomatic patients. Clinical decision making should carefully analyze the association of patient history and physical examination with radiographic imaging. LEVEL OF EVIDENCE Level IV, systematic review if Level II-IV studies.
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Affiliation(s)
- Jonathan M Frank
- Hip Preservation Center, Division of Sports Medicine, Department of Orthopedic Surgery, Rush University Medical Center, Rush Medical College of Rush University, Chicago, Illinois, U.S.A..
| | - Joshua D Harris
- Hip Preservation Center, Division of Sports Medicine, Department of Orthopedic Surgery, Rush University Medical Center, Rush Medical College of Rush University, Chicago, Illinois, U.S.A
| | - Brandon J Erickson
- Hip Preservation Center, Division of Sports Medicine, Department of Orthopedic Surgery, Rush University Medical Center, Rush Medical College of Rush University, Chicago, Illinois, U.S.A
| | - William Slikker
- Hip Preservation Center, Division of Sports Medicine, Department of Orthopedic Surgery, Rush University Medical Center, Rush Medical College of Rush University, Chicago, Illinois, U.S.A
| | - Charles A Bush-Joseph
- Hip Preservation Center, Division of Sports Medicine, Department of Orthopedic Surgery, Rush University Medical Center, Rush Medical College of Rush University, Chicago, Illinois, U.S.A
| | - Michael J Salata
- Hip Preservation Center, Division of Sports Medicine, Department of Orthopedic Surgery, Rush University Medical Center, Rush Medical College of Rush University, Chicago, Illinois, U.S.A
| | - Shane J Nho
- Hip Preservation Center, Division of Sports Medicine, Department of Orthopedic Surgery, Rush University Medical Center, Rush Medical College of Rush University, Chicago, Illinois, U.S.A
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Reiman MP, Thorborg K. Femoroacetabular impingement surgery: are we moving too fast and too far beyond the evidence? Br J Sports Med 2015; 49:782-4. [PMID: 25677797 DOI: 10.1136/bjsports-2014-093821] [Citation(s) in RCA: 53] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/26/2015] [Indexed: 01/11/2023]
Abstract
Femoroacetabuler impingement (FAI) is becoming increasingly recognised as a potential pathological entity for individuals with hip pain. Surgery described to correct FAI has risen exponentially in the past 10 years with the use of hip arthroscopy. Unfortunately, the strength of evidence supporting both the examination and treatment of FAI does not appear to accommodate this exponential growth. In fact, the direction currently taken for FAI is similar to previously described paths of other orthopaedic and sports medicine pathologies (eg, shoulder impingement, knee meniscus tear) for which we have learned valuable lessons. The time has come for improved terminology, study design, and focus on delineation of successful treatment variables in the interest of those individuals with clinical indications of FAI so that we can appropriately address their needs.
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Affiliation(s)
- Michael P Reiman
- Department of Orthopaedic Surgery, Duke University Medical Center, Durham, North Carolina, USA
| | - Kristian Thorborg
- Sports Orthopedic Research Centre-Copenhagen (SORC-C), Amager-Hvidovre University Hospital, Copenhagen, Denmark Physical Medicine and Rehabilitation Research-Copenhagen (PMR-C), Amager-Hvidovre University Hospital, Copenhagen, Denmark
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Wylie JD, Beckmann JT, Maak TG, Aoki SK. Arthroscopic treatment of mild to moderate deformity after slipped capital femoral epiphysis: intra-operative findings and functional outcomes. Arthroscopy 2015; 31:247-53. [PMID: 25442644 DOI: 10.1016/j.arthro.2014.08.019] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/05/2014] [Revised: 07/30/2014] [Accepted: 08/15/2014] [Indexed: 02/02/2023]
Abstract
PURPOSE To identify intra-articular pathology during arthroscopic osteochondroplasty for slipped capital femoral epiphysis (SCFE)-related femoroacetabular impingement and determine functional outcomes after treatment. METHODS Nine hips in 9 patients (6 male and 3 female patients; mean age, 17.5 years; age range, 13.5 to 26.9 years) underwent hip arthroscopy for femoroacetabular impingement after in situ pinning of the SCFE. Medical records, radiographs, and intraoperative images were reviewed to determine the severity of disease and damage to the hip joints. For all patients, we obtained the modified Harris Hip Score and Hip Outcome Score (HOS) preoperatively and at a minimum of 12 months postoperatively, as well as a Likert scale of perceived change in physical activity. RESULTS All 9 treated patients had some degree of labral or acetabular cartilage injury at the time of arthroscopy, which was a mean of 58.6 months (range, 18 to 169 months) after in situ pinning. The alpha angle improved from 75° preoperatively to 46° postoperatively (P < .001). The mean follow-up period was 28.6 months (range, 12.6 to 55.6 months). The mean modified Harris Hip Score improved from 63.6 preoperatively to 91.4 postoperatively (P = .005). Similarly, the mean HOS activities-of-daily living scale improved from 70.2 to 93.3 (P = .010), and the HOS sports scale improved from 53.4 to 88.9 (P = .004). Most patients reported significant improvement on a physical-activity Likert scale, with 4 reporting much improved, 3 reporting improved, and 1 reporting slightly improved physical activity. One patient reported an unchanged activity level. No patients reported a worse activity level after surgery. CONCLUSIONS Post-SCFE cartilage and/or labral damage develops in patients with symptomatic mild to moderate SCFE deformity, and arthroscopic treatment improved functional outcomes in a small cohort of patients at short-term follow-up. LEVEL OF EVIDENCE Level IV, therapeutic case series.
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Affiliation(s)
- James D Wylie
- Department of Orthopaedic Surgery, University of Utah, Salt Lake City, Utah, U.S.A
| | - James T Beckmann
- Department of Orthopaedic Surgery, University of Utah, Salt Lake City, Utah, U.S.A
| | - Travis G Maak
- Department of Orthopaedic Surgery, University of Utah, Salt Lake City, Utah, U.S.A
| | - Stephen K Aoki
- Department of Orthopaedic Surgery, University of Utah, Salt Lake City, Utah, U.S.A..
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Lepage-Saucier M, Thiéry C, Larbi A, Lecouvet FE, Vande Berg BC, Omoumi P. Femoroacetabular impingement: normal values of the quantitative morphometric parameters in asymptomatic hips. Eur Radiol 2014; 24:1707-14. [PMID: 24770465 DOI: 10.1007/s00330-014-3171-4] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2014] [Revised: 03/13/2014] [Accepted: 03/31/2014] [Indexed: 11/25/2022]
Abstract
OBJECTIVE To determine the means and the reference intervals of the quantitative morphometric parameters of femoroacetabular impingement (FAI) in normal hips with high-resolution computed tomography (CT). METHODS We prospectively included 94 adult individuals who underwent CT for thoracic, abdominal or urologic pathologies. Patients with a clinical history of hip pathology and/or with osteoarthritis on CT were excluded. We calculated means and 95% reference intervals for imaging signs of cam-type (alpha angle at 90° and 45° and femoral head-neck offset) and pincer-type impingement (acetabular version angle, lateral centre-edge angle and acetabular index). RESULTS The 95 % reference interval limits were all far beyond the abnormal thresholds found in the literature for cam-type and to a lesser extent for pincer-type FAI. The upper limits of the reference intervals for the alpha angles (at 90°/45°) were 68°/83° (men) and 69°/84° (women), compared to thresholds from the literature (50°, 55° or 60°). Reference intervals were similar between genders for cam-type parameters, and slightly differed for pincer-type. CONCLUSION The 95% reference intervals of morphometric measurements of FAI in asymptomatic hips were beyond the abnormal thresholds, which was especially true for cam-type FAI. Our results suggest the need for redefining the current morphometric parameters used in the diagnosis of FAI. KEY POINTS • 95% reference intervals limits of FAI morphotype were beyond currently defined thresholds. • Reference intervals of pincer-type morphotype measurements were close to current definitions. • Reference intervals of cam-type morphotype measurements were far beyond the current definitions. • Current morphometric definitions of cam-type morphotype should be used with care.
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Affiliation(s)
- Marianne Lepage-Saucier
- Cliniques Universitaires Saint Luc - Université Catholique de Louvain, Woluwe-Saint-Lambert, Belgium,
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