2025年2月 保髋进展 JCR Q1 区

To use advanced topic modeling, specifically the Bidirectional Encoder Representations from Transformers Topic (BERTopic) Model, to analyze research topics in arthroscopy literature. The study analyzed abstracts from three major arthroscopy journals (Arthroscopy, Knee Surgery Sports Traumatology and Arthroscopy, and Arthroscopy Sports Medicine and Rehabilitation) from 2019 to 2023. The BERTopic model identified ACL reconstruction as the most commonly published topic, followed by hip arthroscopy and femoroacetabular impingement syndrome, and shoulder instability. Other prominent topics included rotator cuff repair, meniscal surgery, and cartilage repair. The analysis revealed that hip arthroscopy and FAI-related research has grown significantly in recent years, reflecting the expanding scope of hip preservation surgery. The study demonstrates how artificial intelligence-driven topic modeling can provide objective insights into research trends and help identify emerging areas in arthroscopic surgery.

To evaluate performance following hip arthroscopy in National Hockey League (NHL) players. This study analyzed NHL players who underwent hip arthroscopy between 2006 and 2022 using publicly available statistics. Performance metrics including games played, points scored, and time on ice were compared before and after surgery. The study found that NHL players experienced a significant decrease in performance during the first year after hip arthroscopy, with reductions in games played and scoring output. However, by the second postoperative year, most players returned to baseline performance levels. The return to play rate was high, with the majority of players resuming their NHL careers. The study suggests that while hip arthroscopy may temporarily impact elite athletic performance in the short term, players can expect to return to their preoperative level of play by two years postoperatively.

To determine if the setting of administration (home vs clinic) results in significant differences in patient scores from questionnaires assessing hip and general physical function in a hip preservation patient population. This prospective study compared patient-reported outcome measures (PROMs) administered in the clinic versus at home in patients undergoing hip preservation surgery. The study included patients who completed questionnaires either in the clinical setting or remotely at home. Results showed no significant differences in scores between the two administration settings for any of the assessed outcomes, including hip-specific and general physical function measures. The findings suggest that home administration of PROMs is a reliable alternative to in-clinic administration, which has important implications for reducing patient burden, improving follow-up compliance, and enabling remote monitoring of recovery after hip preservation surgery.

This article presents a detailed description of the longitudinal capsulotomy technique using an outside-in approach for the treatment of femoroacetabular impingement. Standard arthroscopic portals (anterolateral, mid-anterior, and distal anterolateral accessory) are utilized for access. The capsulotomy is initiated based on key anatomic landmarks, with meticulous dissection to prevent damage to the labrum and cartilage. The outside-in approach offers excellent visualization of both the acetabulum and the femoral neck, particularly for correcting cam and pincer deformities. Capsular closure is performed with side-to-side sutures, ensuring proper repair and ligament preservation. This technique, while less widespread, provides significant advantages, including reduced risk of neurologic injuries associated with traction and decreased likelihood of labral or cartilage damage. The approach also facilitates high-quality capsular management, allowing for effective correction of osseous deformities. This method is safe, reproducible, and cost-effective, offering an efficient solution for managing femoroacetabular impingement.

The traditional inside-out capsulotomy, commonly used in hip arthroscopy to achieve better visibility and space, involves cutting the iliofemoral ligament, leading to potential hip instability. Previous outside-in methods were complex because of the need for anatomic localization. We describe a minimally invasive outside-in technique using a spinal needle for a quick longitudinal capsulotomy, which is straightforward and easy to learn.

Traditionally, distraction of the hip joint during hip arthroscopy has been achieved with the use of a perineal post, which acts as a counterforce. However, our knowledge of the potential complications related to the use of a perineal post continues to grow. Although pudendal neurapraxia is the most common of these potential complications, the perineal post also may cause skin tears of the perineum, erectile dysfunction and, in rare cases, permanent pudendal nerve injury. In response, several techniques for performing postless hip arthroscopy have been developed in recent years. Although some of these techniques are commercially available and some are "do-it-yourself," preliminary evidence has shown minimal risk of groin-related complications with these postless techniques. In addition to reducing complication rates, our research revealed significantly better patient-reported outcomes with postless compared with post-assisted hip arthroscopy at a minimum 1-year follow-up. Groin-related complications during hip arthroscopy are confusing and anxiety-producing to patients. Hip arthroscopy is an elective procedure, and patients do not expect to have any groin symptoms after a hip surgery. Because this is a sensitive issue, the potential for groin-related complications is rarely discussed with patients preoperatively. In addition, patients often are confused and reluctant to mention groin-related complications to their surgeon, especially if these symptoms are short-lived. Postless hip arthroscopy is a readily accessible, safe alternative to using a perineal post and should be adopted as the standard of care sooner rather than later.

To summarize the characteristics of the top 100 most-cited publications related to hip preservation, not counting self-citation.

To evaluate the relation between zona orbicularis (ZO) thickness on magnetic resonance imaging and distractibility of the hip in patients undergoing hip arthroscopy.

To investigate whether os acetabuli identified preoperatively influence functional outcomes 2 years after an arthroscopic acetabular labral reconstruction.

To investigate the prevalence of asymptomatic hip joint abnormalities among adult professional soccer players and to determine the relationship between the number of these abnormalities with age and limb dominance as well as the relationship between those abnormalities themselves.

To assess the impact of hip arthroscopy for femoroacetabular impingement syndrome (FAIS) on National Hockey League (NHL) player performance, career length, and salary.

Traditional hip arthroscopy relies on axial distraction, which is appropriate in many cases. However, it provides insufficient working area and visualization in patients with certain anatomy, risking iatrogenic damage to the labrum and femoral head and poorer outcomes. We present a technique of safer method of peripheral access of the hip joint, which reduces the of injury in patients with challenging morphology.

Labral tear of the hip joint is an important factor causing joint pain and locking, as well as mobility disturbance. Although femoroacetabular impingement syndrome often results in anterior labral tears, posterior labral tears are present in a subset of patients, especially those with a history of posterior hip dislocation. Posterior labral repair under arthroscopy usually requires switching between the viewing approach and the operating approach, but this undoubtedly increases the operative time and the destruction of soft tissue. This article introduces a technique for rapid posterior labral suture by rotating the arthroscopic camera without switching the surgical approach.

Hip arthroscopy is a technically demanding procedure with a steep learning curve. Even accessing the hip joint, if performed improperly, will make the remainder of the case more difficult and potentially cause iatrogenic injury. Much like the rudder of a boat, the spinal needle bevel edge can be steered through tissue in a manner to ensure smooth sailing when accessing the hip. The purpose of this article is to provide a better understanding of how to maximize the capabilities of a bevel-edge needle through use of the "rudder technique" to gain access in a more efficient and atraumatic fashion.

Hip arthroscopy has become the preferred method for surgical management of numerous hip pathologies. Traditionally, arthroscopic access to the hip has mainly been performed by starting in the central compartment first, which commonly requires capsulotomy and subsequent closure to access the hip joint. This technique is both technically challenging and has been associated with iatrogenic damage to the hip cartilage, as well as the labrum, potentially compromising the integrity of the hip capsule. In this Technical Note, we present our approach to hip arthroscopy that accesses the hip through the peripheral compartment first, with minimal periportal capsulotomies, using a post-less traction bed. This technique can decrease the risk of iatrogenic damage, decrease surgical time, and improve visualization and accessibility for both novice and advanced hip arthroscopy surgeons.

Secondary femoroacetabular impingement (FAI) is a severe complication observed after acetabular osteotomy; however, the diagnostic and treatment strategies of FAI have not been well established, especially with respect to arthroscopic techniques. We here describe hip arthroscopic osteochondroplasty for secondary FAI using computer-assisted techniques. The main features and tips of our technique are preoperative computed tomography (CT)-based surgical planning and the intraoperative capsule takedown method. Computer modeling produces a patient-specific 3-dimensional CT bone model. Subsequently, we identify the impingement point between the acetabulum and the femoral neck using dynamic simulation. The excess bony bumps are resected through computer surgical simulation, and pre- and postoperative 3-dimensional CT bone models are combined to identify the appropriate resection area. For the surgical technique, it is important to detach the capsule to visualize the acetabulum bony excess. Once the resection area has been sufficiently visualized, the bone resection is performed. Finally, the capsule is reattached to the excavated acetabulum, and the delaminated labrum is sewn up with the capsule in a round bale shape.

The purpose of this systematic review was to evaluate the effect of pelvic tilt on hip joint contact forces and range of motion in patients with femoroacetabular impingement (FAI) and acetabular dysplasia.

Routine capsular closure after hip arthroscopy remains controversial. The hip capsule is important for hip stability, but this can sometimes heal after a small periportal or intraportal capsulotomy without closure. Although reliable healing of intraportal capsulotomies can be achieved with capsular closure, multiple systematic reviews show improved outcomes and less revision surgery after capsular closure. In my practice, I do an interportal capsulotomy in all patients, and I close or plicate the capsule.

This study aims to evaluate patient-reported outcomes (PROs) and reoperation rates in patients undergoing primary hip arthroscopy for femoroacetabular impingement syndrome (FAIS) over a minimum 10-year follow-up stratified by sex, age, and body mass index (BMI).

A common question from patients undergoing hip arthroscopy for femoroacetabular impingement (FAI) is when they may return to driving.

To use a nationwide administrative database (PearlDiver) to investigate whether patients with generalized anxiety disorder (GAD) undergoing primary hip arthroscopy for femoral acetabular impingement syndrome (FAIS) have (1) higher rates of medical complications, (2) higher readmission rates, and (3) higher costs of care as compared with patients without GAD.

To compare the changes in labral size after primary hip arthroscopy between patients requiring revision surgery and those did not.

Hip arthroscopy is a valuable tool through which intra- and extra-articular hip pathologies may be addressed, with the goal of improving pain and function while preventing osteoarthritis progression. Little data are available regarding the effect of social determinants of health on hip arthroscopy outcomes.

The impact of previous pelvic osteotomy (PO) on outcomes following conversion to total hip arthroplasty (THA) remains unclear. Our systematic review aimed to compare the outcomes of patients undergoing THA following PO to those undergoing primary THA.

Although previous literature has established the association between femoroacetabular impingement and progressive hip osteoarthritis, there exists a paucity of studies investigating the effects of global acetabular overcoverage on chondral wear and long-term outcomes.

Developmental dysplasia of the hip (DDH) is a congenital musculoskeletal disease that impairs the hip joint and exacerbates hip osteoarthritis. This study aims to investigate the alterations of osteocytic characteristics including apoptosis, lacuna-canalicular network, and perilacunar/canalicular remodeling (PLR) activity in subchondral bone from DDH patients, and potential relationship of these alterations between the cartilage degeneration and DDH progression.

(i) Investigate if lower-limb running biomechanics differ between women and men with femoroacetabular impingement syndrome, and (ii) explore whether sex-specific relationships between lower-limb running biomechanics and symptom severity and sport-related concerns exist.

Periacetabular osteotomy (PAO) is an established treatment for hip dysplasia and has been increasingly combined with concomitant hip arthroscopy to address additional intra-articular hip pathology. Heterotopic ossification (HO) is a complication of arthroscopic and open hip procedures. Nonsteroidal anti-inflammatory drugs (NSAIDs) have become an established form of HO prophylaxis, but their use may delay bone healing.

The utility of patient-reported outcome measures (PROMs) has been well established, but their interpretation relies on population-specific definitions of meaningful improvement. As such, the minimum clinically important difference (MCID), substantial clinical benefit (SCB), and patient-acceptable symptom state (PASS) thresholds have become prominent metrics in the orthopaedic evidence to ascribe clinical relevance to numeric PROM scores. Studies assessing outcomes of periacetabular osteotomy (PAO) relative to the MCID and PASS have previously evaluated patients against thresholds defined for hip arthroscopy for the treatment of femoroacetabular impingement or distribution-based MCID calculations. These scores may not accurately reflect the status or expectations of patients with a different symptom profile undergoing open hip preservation surgery.

Radiographic studies have reported a high prevalence of cam morphology in athletes, especially in male athletes, suggesting these individuals are at an elevated risk of developing femoroacetabular impingement syndrome (FAIS). However, recent research has shown that 2-dimensional measurements do not accurately characterize cam deformities, motivating the need for 3-dimensional (3D) analyses.

To evaluate patient-reported outcomes (PROs), achievement of clinically significant outcomes (CSOs), and reoperation-free survivorship at long-term follow-up after primary hip arthroscopy (HA) for femoroacetabular impingement syndrome (FAIS) in patients with and without preoperative low back pain (LBP).

PURPOSE: To use advanced topic modeling, specifically the Bidirectional Encoder Representations from Transformers Topic (BERTopic) Model, to analyze research topics in METHODS: Text data from the titles and abstracts of 7,304 original articles and reviews published in RESULTS: The BERTopic model categorized 6,901 articles into 35 topics. The most common topics from 1985 to 2023 were anterior cruciate ligament reconstruction, hip arthroscopy and femoroacetabular impingement (FAI), and shoulder instability. From 2020 to 2023, hip arthroscopy and femoroacetabular impingement, superior capsular reconstruction, and anterior cruciate ligament reconstruction were identified as "hot" or popular topics, whereas suture anchor biomechanics, platelet-rich plasma, and arthroscopic irrigation were identified as "cold" topics, indicating a decline in popularity. CONCLUSIONS: Using BERTopic, the study showed an efficient way to analyze large amounts of data to establish patterns within orthopaedic sports medicine literature. This study shows the capacity of the BERTopic model to synthesize thousands of articles within CLINICAL RELEVANCE: Using AI to investigate topics a journal has published will allow us to recognize patterns, identifying common topics, emerging topics, and shifts in focus over time. It will also allow us to identify research gaps that may need to be addressed.

PURPOSE: To use advanced topic modeling, specifically the Bidirectional Encoder Representations from Transformers Topic (BERTopic) Model, to analyze research topics in METHODS: Text data from the titles and abstracts of 7,304 original articles and reviews published in RESULTS: The BERTopic model categorized 6,901 articles into 35 topics. The most common topics from 1985 to 2023 were anterior cruciate ligament reconstruction, hip arthroscopy and femoroacetabular impingement (FAI), and shoulder instability. From 2020 to 2023, hip arthroscopy and femoroacetabular impingement, superior capsular reconstruction, and anterior cruciate ligament reconstruction were identified as "hot" or popular topics, whereas suture anchor biomechanics, platelet-rich plasma, and arthroscopic irrigation were identified as "cold" topics, indicating a decline in popularity. CONCLUSIONS: Using BERTopic, the study showed an efficient way to analyze large amounts of data to establish patterns within orthopaedic sports medicine literature. This study shows the capacity of the BERTopic model to synthesize thousands of articles within CLINICAL RELEVANCE: Using AI to investigate topics a journal has published will allow us to recognize patterns, identifying common topics, emerging topics, and shifts in focus over time. It will also allow us to identify research gaps that may need to be addressed.

To investigate whether the quadratus lumborum (QL) block is associated with reduced postoperative pain and opioid consumption in patients undergoing hip arthroscopy.

To explore the healing status of interportal capsulotomies without repair after arthroscopy in patients with femoroacetabular impingement syndrome (FAIS) and to examine its correlation with clinical outcomes, including the relationship with age and sex subgroups.

To systematically review factors affecting hip capsule thickness.

The best stem type and location for femoral shortening in high-riding developmental dysplasia of the hip (DDH) in not clear. We evaluated the morphology of the proximal femur on EOS™ images, focusing on the anatomical landmarks and measurements relevant to the stem selection in high-riding DDH. Our goal is to identify and define the differences in the anatomy of the proximal femur between patients with Crowe type IV DDH and normal individuals, in order to determine the appropriate neck cut location in these patients to increase the chances of successfully using a wedge femoral stem.

Worldwide controversy exists on the optimal treatment of stable dysplastic hips. The most common treatment options are abduction brace treatment and active surveillance. The primary aim of this study was to assess the effect of active surveillance in stable hip dysplasia, by investigating the percentage of Graf IIb stable dysplastic hips that recover spontaneously without abduction brace treatment. The second aim was to identify prognostic factors for spontaneous recovery of stable dysplastic hips.

Sagittal lumbar pelvic alignment alters with posterior pelvic tilt (PT) following total hip arthroplasty (THA) for developmental dysplasia of the hip (DDH). The individual value of pelvic sagittal inclination (PSI) following rebalancing of lumbar-pelvic alignment is unknown. In different populations, PT regresses in a linear relationship with pelvic incidence (PI). PSI and PT have a direct relationship to each other via a fixed individual angle ∠γ. This study aimed to investigate whether the new PI created by acetabular component positioning during THA also has a linear regression relationship with PT/PSI when lumbar-pelvic alignment rebalances postoperatively in patients with Crowe type III/IV DDH.

Revision hip arthroscopy is increasingly common and most often performed to treat residual femoroacetabular impingement caused by cam under-resection. Unfortunately, other pathologies encountered during revision hip arthroscopy are more difficult to treat, including capsular deficiency, labral deficiency, adhesion formation, and/or cam over-resection. When encountered, these various pathologies should be comprehensibly corrected with the goals of restoring anatomy, re-establishing the hip fluid seal, and ensuring impingement-free motion. Labral deficiency can successfully be treated with labral augmentation or reconstruction. Capsular deficiency is best managed with primary repair or capsular reconstruction. Cam over-resection is a difficult problem, but there is growing evidence for a soft-tissue remplissage used to fill the defect with soft tissue. The combination of these problems can be considered a salvage scenario but can be treated comprehensively with these techniques with improved outcomes and acceptable survivorship.

Sex has been associated with different pathologic characteristics in painful hips undergoing hip arthroscopic surgery.

Arthroscopic labral repair of the hip is successfully performed with increasing frequency using either knotless or knotted suture anchors, each with its own risks and benefits.

Many studies have examined the prevalence of acetabular version (AV) and femoral version (FV) abnormalities and their effect on patient-reported outcomes (PROs) after hip arthroscopy for femoroacetabular impingement syndrome (FAIS), but few have explored the prevalence and influence of combined version (CV) abnormalities.

Hip resurfacing arthroplasty (HRA) is recommended for younger patients seeking higher levels of activity. However, femoroacetabular cup impingement (FACI) between the femoral neck and acetabular prosthesis remains a concern. This study aimed to determine the incidence, risk factors, and prognostic consequences of FACI after HRA.

This study aimed to evaluate the accuracy of ChatGPT in answering patient questions about femoroacetabular impingement (FAI) and arthroscopic hip surgery, comparing the performance of versions ChatGPT-3.5 (free) and ChatGPT-4 (paid).

This study aims to evaluate the outcomes of patients following surgery diagnosed with femoroacetabular impingement syndrome (FAIS) who also experience low back and other joint pain compared to those with isolated hip pain.

In Asian populations, increased prevalence of hip dysplasia as well as activities of daily living which require increased hip range of motion, such as squatting, may impact outcomes of arthroscopic surgery for femoroacetabular impingement (FAI) when compared to their Western counterparts. Existing literature lacks a comprehensive review and synthesis of knowledge focusing on outcomes of arthroscopic intervention for FAI in the Asian population.

To evaluate the safety, reliability, and effectiveness of bioceramic rods (BR) in treating osteonecrosis of the femoral head (ONFH), compared with other treatments such as core decompression and autologous bone grafting.

Several mechanisms either support or decrease stability of the hip joint. Primary stability of the hip comes from bony coverage of the femoral head, influenced by acetabular version and femoral antetorsion. In addition, soft tissue structures, such as the acetabular labrum, the ligamentum teres, and the hip capsule play a significant role in maintaining joint stability. Untreated hip instability may lead to pathological force transmission between the acetabular socket and femoral head, and subluxation resulting in osteoarthritis. Historically, pelvic and/or femoral osteotomies have been performed to increase hip stability and prevent joint degeneration. However, osteotomies do not address soft tissue instability or lesions of intra-articular structures, which could explain symptoms following bony correction. Furthermore, the rate of combined pathologies resulting in hip instability and femoroacetabular impingement syndrome (FAIS) is high. Modern hip arthroscopy enables reconstruction and stabilization of soft tissue structures and the correction of bony pathologies caused by FAIS. Minimally invasive procedures can help avoid overtreatment and unnecessary risks associated with more invasive osteotomies. However, in cases of ongoing symptoms after arthroscopic treatment for mild instability, or for patients with severe dysplasia, concomitant PAO and arthroscopy can combine bony correction of a PAO with intra-articular therapies of hip arthroscopy.

PURPOSE: To use advanced topic modeling, specifically the Bidirectional Encoder Representations from Transformers Topic (BERTopic) Model, to analyze research topics in METHODS: Text data from the titles and abstracts of 7,304 original articles and reviews published in RESULTS: The BERTopic model categorized 6,901 articles into 35 topics. The most common topics from 1985 to 2023 were anterior cruciate ligament reconstruction, hip arthroscopy and femoroacetabular impingement (FAI), and shoulder instability. From 2020 to 2023, hip arthroscopy and femoroacetabular impingement, superior capsular reconstruction, and anterior cruciate ligament reconstruction were identified as "hot" or popular topics, whereas suture anchor biomechanics, platelet-rich plasma, and arthroscopic irrigation were identified as "cold" topics, indicating a decline in popularity. CONCLUSIONS: Using BERTopic, the study showed an efficient way to analyze large amounts of data to establish patterns within orthopaedic sports medicine literature. This study shows the capacity of the BERTopic model to synthesize thousands of articles within CLINICAL RELEVANCE: Using AI to investigate topics a journal has published will allow us to recognize patterns, identifying common topics, emerging topics, and shifts in focus over time. It will also allow us to identify research gaps that may need to be addressed.

PURPOSE: To use advanced topic modeling, specifically the Bidirectional Encoder Representations from Transformers Topic (BERTopic) Model, to analyze research topics in METHODS: Text data from the titles and abstracts of 7,304 original articles and reviews published in RESULTS: The BERTopic model categorized 6,901 articles into 35 topics. The most common topics from 1985 to 2023 were anterior cruciate ligament reconstruction, hip arthroscopy and femoroacetabular impingement (FAI), and shoulder instability. From 2020 to 2023, hip arthroscopy and femoroacetabular impingement, superior capsular reconstruction, and anterior cruciate ligament reconstruction were identified as "hot" or popular topics, whereas suture anchor biomechanics, platelet-rich plasma, and arthroscopic irrigation were identified as "cold" topics, indicating a decline in popularity. CONCLUSIONS: Using BERTopic, the study showed an efficient way to analyze large amounts of data to establish patterns within orthopaedic sports medicine literature. This study shows the capacity of the BERTopic model to synthesize thousands of articles within CLINICAL RELEVANCE: Using AI to investigate topics a journal has published will allow us to recognize patterns, identifying common topics, emerging topics, and shifts in focus over time. It will also allow us to identify research gaps that may need to be addressed.

PURPOSE: To use advanced topic modeling, specifically the Bidirectional Encoder Representations from Transformers Topic (BERTopic) Model, to analyze research topics in METHODS: Text data from the titles and abstracts of 7,304 original articles and reviews published in RESULTS: The BERTopic model categorized 6,901 articles into 35 topics. The most common topics from 1985 to 2023 were anterior cruciate ligament reconstruction, hip arthroscopy and femoroacetabular impingement (FAI), and shoulder instability. From 2020 to 2023, hip arthroscopy and femoroacetabular impingement, superior capsular reconstruction, and anterior cruciate ligament reconstruction were identified as "hot" or popular topics, whereas suture anchor biomechanics, platelet-rich plasma, and arthroscopic irrigation were identified as "cold" topics, indicating a decline in popularity. CONCLUSIONS: Using BERTopic, the study showed an efficient way to analyze large amounts of data to establish patterns within orthopaedic sports medicine literature. This study shows the capacity of the BERTopic model to synthesize thousands of articles within CLINICAL RELEVANCE: Using AI to investigate topics a journal has published will allow us to recognize patterns, identifying common topics, emerging topics, and shifts in focus over time. It will also allow us to identify research gaps that may need to be addressed.

There is a lack of validated small animal models for femoroacetabular impingement (FAI) that induce intra-articular lesions and cause osteoarthritis (OA) progression. The gene expression profile of articular cartilage in patients with FAI has not been characterized in animal studies. The purpose of this study is to describe a novel rabbit model for FAI with validated induction of intra-articular lesions and OA progression and to characterize the gene expression pattern in impinged cartilage using this model. Thirty 6-month-old New Zealand White rabbits underwent unilateral endobutton implant placement at the acetabular rim to surgically create overcoverage. Radiological assessment confirmed secure placement of endobutton at the acetabular rim for all operated hips with a mean alteration in lateral center-edge angle (ΔLCEA) of 16.2 ± 6.6°. Gross inspection revealed secondary cartilage injuries in the anterosuperior region of the femoral head for the operated hips. Cartilage injuries were shown to exacerbate with increased impingement duration, as demonstrated by the modified Outerbridge scores and Mankin scores. Immunostaining and quantitative real-time polymerase chain reaction revealed elevated expression of inflammatory, anabolic and catabolic genes in impinged cartilage. RNA sequencing analysis of cartilage tissue revealed a distinct transcriptome profile and identified C-KIT, CD86, and CD68 as central markers. Our study confirmed that the novel rabbit FAI model created acetabular overcoverage and produced articular cartilage injury at the impingement zone. Cartilage from the impingement zone demonstrated a heightened metabolic state, corroborating with the gene expression pattern observed in patients with FAI.

The severity of hip dysplasia is characterized by radiographic measurements that require user definition of the acetabular sourcil edge, a bony landmark for which the corresponding three-dimensional (3D) anatomy is not well defined in any imaging plane.

Compared with total hip arthroplasty, hip arthroscopy is a relatively new procedure, and as such, hip-spine syndrome in young adults is an emerging topic of research. In the past decade, our understanding of spinopelvic alignment has improved the stability and survivorship of hip replacements in patients with prior lumbar fusions. Obviously, the hip affects the spine and the spine affects the hip. In terms of hip arthroscopy, just as older patients and patients with cartilage damage have inferior outcomes, patients with spine pathology are at risk for postoperative worsening spinal symptoms, including sciatica. In addition, back and radicular pain may limit postoperative hip rehabilitation. Yet other patients show resolution of back symptoms after hip arthroscopy. Today, surgeons indicating hip arthroscopy must first investigate patient sagittal balance, which includes pelvis tilt, pelvic incidence, and sacral slope. When properly indicated, hip-spine pain patients show greater percentage improvement with no increased failure risk compared with patients with isolated FAIS. Exceptions include patients with concomitant lumbar stenosis or lumbar fusion. Rate of revision hip arthroscopy and conversion to total hip replacement is 2-fold compared with controls if patients had prior 1-2 level fusion and 3-fold if 3 or more levels are fused. Our understanding of hip-spine patients with regard to arthroscopy outcomes continues to develop. In addition to a comprehensive spine exam, the patient's spine surgical history and current spine symptoms must be investigated to predict the efficacy of hip arthroscopy. If patients have both hip and spine symptoms, a diagnostic hip injection to determine the prime pain generator is essential. If the hip is the source of pain, patients should be counseled that back symptoms will likely improve after hip arthroscopy but not in all cases. EOS imaging to measure sagittal balance may allow the surgeon to predict if impingement measurements on hip radiographs may be underestimated in the setting of a stiff spine. If the patient has multiple risk factors for poor outcomes such as advancing age, articular cartilage damage, borderline dysplasia, or hypermobility, on top of a history of multilevel lumbar fusion or spinal deformity, hip arthroscopy may not be ideal, and hip arthroplasty should be considered. Clearly, the spine may not be ignored in patients with femoroacetabular impingement.

The purpose of this study was to explore currently utilized readiness to Return to Sport (RTS) criteria after Hip Arthroscopy (HA) used in elite athletes to gain novel insights into the RTS decision-making process of professional team physicians. The authors hypothesized that even among this group of highly specialized physicians, there exists variability of measures and criteria used to determine RTS after HA.

To characterize the risk of revision hip arthroscopy or conversion to total hip arthroplasty (THA) among patients with a history of lumbar fusion undergoing primary hip arthroscopy.

To determine the long-term outcomes of hip arthroscopy (HA) for femoroacetabular impingement (FAI) in the presence of concomitant lateral rim dysplasia compared with a matched control group.

Severe forms of developmental dysplasia of the hip (DDH) in adulthood often lead to total hip arthroplasty (THA). This study aimed to evaluate the mid-term to long-term outcomes of THA in Crowe type IV DDH cases, which represent a technically challenging and complex patient group.

To evaluate the burden experienced by primary informal caregivers of patients who have undergone hip arthroscopy and to identify factors that predict increased caregiver burden.

There is a paucity of evidence on outcomes following total hip arthroplasty (THA) in patients who have symptomatic degenerative labral tears and mild to moderate osteoarthritis (OA). The purpose of this study was to determine if outcomes of primary THA in the setting of painful, symptomatic labral tear and mild to moderate arthritic changes were comparable to outcomes of primary THA performed for severe arthritic changes. Primary outcomes were patient-reported outcome (PRO) scores. Secondary outcomes included length of stay and perioperative complications.

Articular cartilage defects of the hip pose therapeutic challenges. Among patients undergoing hip arthroscopy for femoroacetabular impingement syndrome, more than 20% may have partial- or full-thickness chondral damage, and patients with high-grade (International Cartilage Repair Society grade 3 or 4) damage who undergo arthroscopic treatment of femoroacetabular impingement syndrome have higher rates of reoperation at 10-year follow-up. Arthroscopic and open techniques have been developed to translate cartilage restoration options initially developed in the knee for use in the hip. Arthroscopic options include chondroplasty, microfracture, biologic cartilage scaffolds, autologous chondrocyte implantation, and minced cartilage autograft (albeit more commonly in the acetabulum than the femoral head). Open techniques include autologous chondrocyte grafting, osteochondral autograft transfer (including mosaicplasty), osteochondral allograft transplantation, and arthroplasty. Open osteochondral allograft and autograft transplantation show improved patient-reported outcomes and forestall arthroplasty in young patients with high-grade cartilage defects of the femoral head. A recent review shows survivorship of 70% to 87.5% for allograft and 61.5% to 96% for autograft. At the same time, outcomes are not universally positive, particularly for patients with posttraumatic impaction injuries and high-grade osteonecrosis. Until further data better clarify the indications and contraindications, widespread adoption of open cartilage transplantation to the femoral head should be approached with caution, especially for older patients, in whom the gold standard of total hip arthroplasty has excellent survivorship at long-term follow-up.

To review published literature to identify and evaluate the effect of virtual reality (complete immersion) and augmented reality (overlay of digital information onto the physical world) simulators on intraoperative use for orthopaedic surgeons, orthopaedic surgical education, and athletic training.