ABSTRACT
Injury to the anterior cruciate ligament (ACL) is a devastating injury to athletes of all ages. The current gold standard treatment following complete rupture of the ACL is reconstruction of the torn ligament with autograft or allograft tendon. Commonly used tendon grafts include patellar tendon, hamstring tendon, and quadriceps tendon. Although ligaments and tendons have similar collagen and proteoglycan compositions, they maintain a unique composition and arrangement of cells to serve their unique biomechanical needs. Therefore, following ACL reconstruction (ACLR), the implanted tendon tissue undergoes a process of remodeling which is termed "ligamentization". The process of ligamentization is divided into three main phases, which include the early healing phase, the proliferative phase, and the maturation phase. Following the process of ligamentization, the graft tissue closely mimics the appearance of ligament tissue on an ultrastructural level. Successful outcome following ACLR is contingent upon adequate remodeling of the tissue as well as healing of the graft within the bone tunnels in the femur and tibia. Choice of graft has individual implications regarding their associated risk of complications, failure, and infection. The purpose of this review is to summarize the process of ligamentization and graft healing and to discuss how graft type influences the rate and types of complications, failures, and infections.
ABSTRACT
Meniscal ramp lesions are reported to occur in 9% to 42% of anterior cruciate ligament tears. Biomechanical research shows that the presence of a meniscal ramp lesion, in the setting of an anterior cruciate ligament tear, leads to increased knee anteroposterior and rotatory laxity when compared with an uninjured medial meniscus. This finding also has been verified clinically. Repair of ramp lesions has been shown to improve biomechanics. Accordingly, the influence of meniscal ramp lesions on knee laxity necessitates a comprehensive physical examination, imaging review, and diagnostic arthroscopy to support identification and treatment of these injuries. Arthroscopic probing is required to assess ramp lesion stability. It is generally accepted that up to 30% of ramp lesions are unstable and warrant repair, as determined by tear ≤1 cm, displacement into the medial compartment with probing, and extension beyond the lower pole of the femoral condyle.
ABSTRACT
PURPOSE: The purpose of this study was to perform a scoping review of clinical practice guidelines (CPGs) concerning the use of functional anterior cruciate ligament (ACL) braces and to clarify the nomenclature for bracing relevant to ACL injury treatment in order to support prescribing clinicians. METHODS: A PubMed search for CPGs for the use of braces following ACL injury or reconstruction was performed. CPGs on the treatment of ACL injuries with sufficient attention to postoperative braces were included in this scoping review. The references used for supporting the specific CPG recommendations were reviewed. Specific indications for brace use including brace type, period of use following surgery and activities requiring brace use were collected. RESULTS: Six CPGs were identified and included this this review. Three randomised trials provided the evidence for recommendations on functional brace use following ACL reconstruction in the six CPGs. Functional ACL braces were the primary focus of the three randomised trials, although extension braces (postoperative knee immobilisers) were also discussed. A novel dynamic ACL brace category has been described, although included CPGs did not provide guidance on this brace type. CONCLUSIONS: Guidance on the use of functional ACL braces following ACL reconstruction is provided in six CPGs supported by three randomised trials. However, the brace protocols and patient compliance in the randomised trials render these CPGs inadequate for providing guidance on the use of functional ACL braces in the general and high-risk patient populations when returning to sport after ACL reconstruction. Functional ACL braces are commonly utilised during the course of ACL injury treatment although there is presently limited evidence supporting or refuting the routine use of these braces. Future studies are, therefore, necessary in order to provide guidance on the use of functional and dynamic ACL braces in high-risk patient populations. LEVEL OF EVIDENCE: Level II.
Subject(s)
Anterior Cruciate Ligament Injuries , Anterior Cruciate Ligament Reconstruction , Braces , Practice Guidelines as Topic , Humans , Anterior Cruciate Ligament Injuries/surgeryABSTRACT
BACKGROUND: Intact meniscus roots are a prerequisite for normal meniscal function, including even distribution of compressive forces across the knee joint. An injury to the root disrupts the hoop strength of the meniscus and may lead to its extrusion and the development of osteoarthritis. A medial meniscus posterior root tear (MMPRT) is often thought to have a primary degenerative pathogenesis. However, there is mention of some cases of MMPRTs where the patients have a solely traumatic injury to a previously healthy meniscus. PURPOSE: To describe a subpopulation of patients with traumatic MMPRT. STUDY DESIGN: Systematic review; Level of evidence, 5. METHODS: The Web of Science database (www.webofscience.com) was queried using the Medical Subject Headings term "medial root tear." Articles were reviewed, and those evaluated for MMPRTs in a degenerative meniscus were excluded. A total of 25 articles describing cases of acute traumatic causes were included in this study. For these articles, the patient characteristics, injury mechanisms, and concomitant injuries evaluated were recorded and pooled. RESULTS: The search revealed 660 articles, and 25 were selected for inclusion. A total of 113 patients with a traumatic MMPRT were identified and included in this review. The study population had a mean age of 27.1 years and a high share of men (64%). Also, this review displays how most patients with traumatic MMPRTs also suffer concomitant injuries (68%). CONCLUSION: The findings in this review support our hypothesis that there is a unique subgroup with acute traumatic MMPRTs that have unique patient characteristics, injury mechanisms, and combined injuries, compared with previously published reviews on MMPRTs.
ABSTRACT
Cam-type femoroacetabular impingement is characterized by a pathologic asphericity of the femoral head-neck junction, and arthroscopic femoral osteoplasty is indicated to correct the bony abnormality and restore normal hip mechanics when symptomatic. Residual femoroacetabular impingement deformity after arthroscopy is a leading cause of failure, and it is therefore critical to perform a thorough fluoroscopic and dynamic assessment when addressing cam deformities arthroscopically. The fluoroscopic assessment uses 6 anteroposterior views, including 3 in hip extension (30° internal rotation, neutral rotation, and 30° external rotation) and 3 in 50° flexion (neutral rotation, 40° external rotation, 60° of external rotation), performed before, during, and after the femoral resection. The dynamic assessment includes evaluation of impingement-free range of motion and "end feel" (a subjective description of the tactile feedback during assessment of hip motion), and should be performed before and after the femoral resection in 3 specific positions (extension/abduction, flexion/abduction, and flexion/internal rotation). Although the anterior aspect of the head-neck junction is readily accessed through standard arthroscopic portals with the hip in 30 to 50° of flexion, the posterolateral, posteromedial, and posterior extent of the femoral head-neck junction are challenging to address. The natural external rotation of the proximal femur during flexion and internal rotation during extension can be used to gain posterior lateral and medial access. Antero/posteromedial femoral access can be obtained with >50° of hip flexion with the burr in the anteromedial portal. Posterolateral femoral access is achieved with hip extension with the burr in the anterolateral portal, and further posterolateral access can be achieved with the addition of traction, allowing resection of posterolateral deformities extending beyond the lateral retinacular vessels while remaining proximal to the vessels. This comprehensive intraoperative fluoroscopic and dynamic assessment and surgical technique can lead to a predictable correction of most cam-type deformities.
Subject(s)
Femoracetabular Impingement , Plastic Surgery Procedures , Humans , Femoracetabular Impingement/diagnostic imaging , Femoracetabular Impingement/surgery , Femur , Femur Head , RotationABSTRACT
OBJECTIVE: To map the current literature evaluating the diagnosis and treatment of multiligament knee injuries (MLKIs). DESIGN: Scoping review. DATA SOURCES: Preferred Reporting Items for Systematic Reviews and Meta-Analyses extension for scoping reviews and Arksey and O'Malley frameworks were followed. A three-step search strategy identified relevant published literature comprising studies reporting on at least one aspect in the diagnosis or treatment of MLKI in adults. Data were synthesised to form a descriptive analysis and thematic summary. RESULTS: Overall, 417 studies were included. There was a substantial chronological increase in the number of studies published per year, with 70% published in the last 12 years. Of included studies, 128 (31%) were narrative reviews, editorials or technical notes with no original data. The majority of studies (n=239, 57%) originated from the USA; only 4 studies (1%) were of level I evidence. Consistent themes of contention included clinical assessment, imaging, operative strategy, timing of surgery and rehabilitation. There was a lack of gender and ethnic diversity reported within patient groups. CONCLUSIONS: There remains insufficient high-level evidence to support definitive management strategies for MLKI. There is considerable heterogeneity in outcome reporting in current MLKI literature, precluding robust comparison, interpretation and pooling of data. Further research priorities include the development of expert consensus relating to the investigation, surgical management and rehabilitation of MLKI. There is a need for minimum reporting standards for clinical studies evaluating MLKI.
Subject(s)
Knee Injuries , Knee Joint , Adult , Humans , Knee Injuries/diagnosis , Knee Injuries/surgeryABSTRACT
Tears of the quadriceps or patellar tendon usually occur after a sudden eabccentric contraction and are diagnosed by a palpable gap at the injury site combined with an inability to perform a straight leg raise. Bilateral knee radiographs may demonstrate patella alta with patellar tendon tears and patella baja with quadriceps tendon tears compared with the uninjured knee. Ultrasound and magnetic resonance imaging can be helpful when there is uncertainty in the diagnosis. Surgical treatment is indicated for complete tears and some high-grade, partial tears. Nonabsorbable high-strength sutures or suture tape are placed in running locking fashion along the injured tendon and secured to the patella with bone tunnels (i.e., transosseous) or suture anchors. The transosseous technique requires exposure of the length of the patella to drill 3 bone tunnels to shuttle the sutures and tie over either pole of the patella. The suture anchor technique allows for a smaller incision and less soft-tissue dissection and may use a knotted or knotless technique. Biomechanical testing with load to failure is not statistically different between the transosseous and anchor techniques, although anchors have been shown to have less gap formation at the repair site. Repair augmentation with a graft may be beneficial in mid-substance injuries, chronic tears, and in cases of compromised tissue quality. Rehabilitation usually can be initiated immediately with protected weight-bearing in an orthosis, safe-zone knee passive range of motion, and avoidance of active extension. After a period of 6 weeks, rehabilitation can progress with full range of motion and a concentric strengthening program.
Subject(s)
Patellar Ligament , Tendon Injuries , Humans , Patellar Ligament/surgery , Tendon Injuries/diagnostic imaging , Tendon Injuries/surgery , Patella/surgery , Biomechanical Phenomena , Tendons/surgery , Rupture/surgery , Suture Techniques , Suture AnchorsABSTRACT
AIMS: Multiligament knee injuries (MLKI) are devastating injuries that can result in significant morbidity and time away from sport. There remains considerable variation in strategies employed for investigation, indications for operative intervention, outcome reporting, and rehabilitation following these injuries. At present no study has yet provided a comprehensive overview evaluating the extent, range, and overall summary of the published literature pertaining to MLKI. Our aim is to perform a methodologically rigorous scoping review, mapping the literature evaluating the diagnosis and management of MLKI. METHODS: This scoping review will address three aims: firstly, to map the current extent and nature of evidence for diagnosis and management of MLKI; secondly, to summarize and disseminate existing research findings to practitioners; and thirdly, to highlight gaps in current literature. A three-step search strategy as described by accepted methodology will be employed to identify peer-reviewed literature including reviews, technical notes, opinion pieces, and original research. An initial limited search will be performed to determine suitable search terms, followed by an expanded search of four electronic databases (MEDLINE, EMBASE, Cochrane Database of Systematic Reviews, and Web of Science). Two reviewers will independently screen identified studies for final inclusion. DISSEMINATION: We will map key concepts and evidence, and disseminate existing research findings to the wider orthopaedic and sports medicine community, through both peer-reviewed and non-peer-reviewed literature, and conference and in-person communications. We will highlight gaps in the current literature and determine future priorities for further research.Cite this article: Bone Jt Open 2022;3(11):894-897.
ABSTRACT
The anterolateral complex (ALC) of the knee has received renewed research interest because of the potential role of this anatomic region in anterior cruciate ligament (ACL) tear biomechanics and surgical treatment outcomes. The primary structures of the ALC include the iliotibial band deep (Kaplan) fibers, the anterolateral ligament (ALL), and the capsulo-osseous layer (COL) of the iliotibial band, although there remains disagreement on the precise anatomic locations and biomechanical relevance of these structures. Sectioning studies in the ACL-deficient knee have revealed a contribution of the ALC in restraining tibial internal rotation and anterior translation. Biomechanical studies have revealed a potential role for lateral extra-articular reconstruction as an augmentation to ACL reconstruction in knees with combined ACL and ALC sectioning. Clinical studies have reported a reduced ACL reconstruction failure rate with both ALL reconstruction and lateral extra-articular tenodesis procedures.
Subject(s)
Anterior Cruciate Ligament Injuries , Anterior Cruciate Ligament Reconstruction , Joint Instability , Tenodesis , Anterior Cruciate Ligament/surgery , Anterior Cruciate Ligament Injuries/surgery , Anterior Cruciate Ligament Reconstruction/methods , Biomechanical Phenomena , Cadaver , Humans , Joint Instability/surgery , Knee Joint/surgery , Range of Motion, Articular , Tenodesis/methodsABSTRACT
Purpose: To compare social media attention and citation rates between technique articles and matched original research articles (ORAs) regarding surgical procedures. Methods: All technique articles published from August 2019 through July 2020 in the free, electronic versions of Arthroscopy Techniques and JBJS Essential Surgical Techniques were matched by topic to articles in the "Original Research" sections of Arthroscopy, Sports Medicine, and Rehabilitation and JBJS Open Access in a 4:1 ratio within this time frame. The primary outcome was the Altmetric Attention Score (AAS). Secondary outcomes included citations, bibliometrics, and social media metrics. Independent t tests were used to compare primary and secondary outcomes between technique articles and ORAs. A multivariate linear regression analysis was performed to determine the association between article type and social media attention while controlling for confounding bibliometric characteristics. Results: A total of 285 matched research articles (n = 57, 20.0%) and technique articles (n = 228, 80.0%) were included. The mean AAS among all technique articles was 3.63 ± 10.08 (range, 0-96) whereas the mean AAS among all ORAs was 1.30 ± 3.98 (range, 0-25), representing a statistically significant difference (P = .016). The mean citation rate among all technique articles was not significantly different from that among ORAs (P = .73). Multivariate linear regression analysis showed a statistically significant positive association between AAS and article type, with an additional mean increase in the AAS of 2.91 (95% confidence interval, 0.04-5.77; P = .047) for every technique article compared with an ORA. Furthermore, a significant positive relation was noted between the article origin and the AAS, with an increase in the AAS of 3.00 (95% confidence interval, 0.82-5.17; P = .007) for every article published in North America compared with an article originating from another continent. Conclusions: Technique articles resulted in significantly greater AASs and social media attention in comparison with open-access ORAs on similar topics. Publications that described technical procedures in a technique journal and studies from North America were positively associated with greater AASs and greater numbers of citations received by articles. Clinical Relevance: An improved understanding of how much attention is given to technique articles versus matched ORAs by social media may influence the methods authors and journals use for distributing content. The present study suggests that one option to increase the amount of social media attention received for a particular study may be to utilize an accompanying surgical technique video or illustrations as these are easily shareable on social media and offer rapid dissemination of knowledge, similar to that of an infographic. However, physicians who view multimedia within technique articles should be encouraged to review the accompanying articles and the supporting original research as a primary source before making changes in their clinical practice.
ABSTRACT
Meniscal tear patterns associated with anterior cruciate ligament (ACL) tears, such as root tears and ramp lesions are common but less easily recognized on magnetic resonance imaging (MRI) compared with a complete radial tear or a locked bucket-handle tear. Timely treatment of these tears improves outcomes in the setting of ACL reconstruction. While physical examination does not enable a definitive diagnosis of meniscal root tears and ramp lesions, high-grade laxity, including a 3+ Lachman and 3+ pivot shift, should raise suspicions for these tear patterns. MRI allows visualization of both root tears and ramp lesions, although the gold standard for diagnosis is probing at the time of arthroscopy due to a high false-negative rate on MRI. Up to 17% of patients with an ACL tear have a lateral meniscal root tear; a contact mechanism and increased posterior slope are both associated with a greater incidence of lateral meniscal root tears and these are repaired with a tunnel technique. Meniscal ramp lesions occur in up to 41% of patients with ACL tears due to a contact mechanism, and we prefer repair with an inside-out technique. More than 60% of complete radial meniscal tears occur in the setting of ACL tears and are preferentially repaired with a hashtag technique for minimally separated tears and a 2-tunnel technique combined with an inside-out repair for more severe tears. Bucket-handle tears are more common in the setting of chronic ACL deficiency; concurrent with ACL reconstruction urgent meniscal repair with an inside-out technique is the gold standard, which allows for precise approximation of the tear with multiple points of fixation for improved biomechanical performance. It is critical to identify and treat these tears during ACL reconstruction because of their role as secondary stabilizers and for long-term chondral protection.
Subject(s)
Anterior Cruciate Ligament Injuries , Anterior Cruciate Ligament Reconstruction , Tibial Meniscus Injuries , Anterior Cruciate Ligament/surgery , Anterior Cruciate Ligament Injuries/epidemiology , Anterior Cruciate Ligament Injuries/surgery , Anterior Cruciate Ligament Reconstruction/methods , Humans , Menisci, Tibial/surgery , Retrospective Studies , Tibial Meniscus Injuries/diagnostic imaging , Tibial Meniscus Injuries/surgeryABSTRACT
The purpose of the article is to present an updated literature review, as well as describe our approach to rehabilitation and return to sports following hip arthroscopy for femoroacetabular impingement (FAI) with labral repair. A literature review was performed to identify articles published within the last 10 years that were focused on this topic. Relevant articles were reviewed, and reference lists were searched to identify additional articles. Findings were summarized for rehabilitation phases and return-to-sports assessment. Additionally, advanced rehabilitation topics are reviewed. Several systematic reviews and individual case series were identified. There is relative uniformity concerning the use of a four-phase approach for rehabilitation. However, there is inconsistency in terms of timing and criteria for ultimate return to sport. Advanced rehabilitation topics were reviewed, and description of their relevance at various rehabilitation phases was provided. A four-phase approach to rehabilitation following hip arthroscopy for FAI is widely used with general uniformity, although the timing and level of detail concerning assessment and readiness for return to sport are variable. Advanced rehabilitation techniques may be used in select patients returning to high-level activities.
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More meniscus tears are being repaired because this has been shown to delay the onset of osteoarthritis compared with partial meniscectomy. However, there still remains a subset of tears that may be viewed as less amenable to repair due to poorer healing potential. Fibrin clots have been used to augment healing for meniscus tears located in avascular regions due to their potential to promote healing and ability to be easily prepared at a low cost. Placement of fibrin clots within a meniscus repair can be technically challenging. Here, we describe a technique for placing a fibrin clot within a meniscus tear site repaired with an inside-out technique. A passing suture through the tear aids to shuttle the fibrin clot into the tear site and is then secured within the tear by tying down the repair sutures around the clot. This technique is efficient, less technically demanding, and can be accomplished without additional specialized instruments.
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Posterior medial meniscus root tears (PMMRTs) make up a relatively notable proportion of all meniscus pathology and have been definitively linked to the progression of osteoarthritis (OA). While known risk factors for development of OA in the knee include abnormal tibial coronal alignment, obesity and female gender, PMMRTs have emerged in recent years as another significant driver of degenerative disease. These injuries lead to an increase in average contact pressure in the medial compartment, along with increases in peak contact pressure and a decrease in contact area relative to the intact state. Loss of the root attachment impairs the function of the entire meniscus and leads to meniscal extrusion, thus impairing the force-dissipating role of the meniscus. Anatomic meniscus root repairs with a transtibial pullout technique have been shown biomechanically to restore mean and peak contact pressures in the medial compartment. However, nonanatomic root repairs have been reported to be ineffective at restoring joint pressures back to normal. Meniscal extrusion is often a consequence of nonanatomic repair and is correlated with progression of OA. In this study, the authors will describe the biomechanical basis of the natural history of medial meniscal root tears and will support the biomechanical studies with a case series including patients that either underwent non-operative treatment (5 patients) or non-anatomic repair of their medial meniscal root tears (6 patients). Using measurements derived from axial MRI, the authors will detail the distance from native root attachment center of the non-anatomic tunnels and discuss the ongoing symptoms of those patients. Imaging and OA progression among patients who were treated nonoperatively before presentation to the authors will be discussed as well. The case series thus presented will illustrate the natural history of meniscal root tears, the consequences of non-anatomic repair, and the findings of symptomatic meniscal extrusion associated with a non-anatomic repair position of the meniscus.
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Preoperative and postoperative imaging of knee ligament injury hinges on the appropriate use of available modalities. Knowledge of injury patterns as well as the surgical significance of certain image findings enhances injury detection and supports appropriate preoperative planning. The radiologist must be familiar with the strengths and weaknesses of each modality for evaluating specific aspects of ligamentous pathology. This article focuses on preoperative and postoperative imaging of knee ligament injury. Basic topics pertaining to preoperative image modality selection and isolated injury detection are addressed. More advanced areas including ligamentous injury patterns, surgical indications, and postoperative imaging are also discussed.
Subject(s)
Anterior Cruciate Ligament Injuries , Knee Injuries , Ligaments, Articular , Soft Tissue Injuries , Anterior Cruciate Ligament Injuries/diagnostic imaging , Anterior Cruciate Ligament Injuries/surgery , Humans , Knee Injuries/diagnostic imaging , Knee Injuries/surgery , Knee Joint/diagnostic imaging , Knee Joint/surgery , Ligaments, Articular/diagnostic imaging , Ligaments, Articular/surgery , Magnetic Resonance Imaging , Soft Tissue Injuries/diagnostic imaging , Soft Tissue Injuries/surgeryABSTRACT
Infographics are an evolving medium within the orthopaedic literature and support engagement of a broad audience than traditional scientific articles. Arthroscopy infographics have been published monthly since January 2019 on a range of topics relevant to the readership. Citation numbers have long been used as a metric for quality and relevance of a scientific article, although alternative metrics (altmetrics) are now available to quantify the online activity related to scholarly content. Altmetrics are defined as "metrics and qualitative data that are complementary to traditional, citation-based metrics," and the altmetric attention score depends on 3 main factors: volume (number of "mentions"), sources (e.g. newspaper, blog, tweet), and author (source of the "mention", e.g. physician vs journal). Recent research links altmetric scores to citation gains. Infographics are a tool for expanding, educating, and increasing the breadth of medical journal readership.
Subject(s)
Orthopedics , Social Media , Bibliometrics , Data Visualization , Humans , Journal Impact FactorABSTRACT
BACKGROUND: Biceps tendon pathology is commonly associated with rotator cuff tears. A multitude of different biceps tenodesis techniques have been studied, with limited clinical data on arthroscopic biceps tenodesis techniques incorporated into rotator cuff repairs. PURPOSE: To evaluate the outcomes of an arthroscopic biceps tenodesis incorporated into a supraspinatus tendon repair. STUDY DESIGN: Case series; Level of evidence, 4. METHODS: Patients undergoing surgical treatment of supraspinatus tendon tears with concomitant biceps tendon pathology were prospectively enrolled from 2014 to 2015. A total of 32 patients underwent combined biceps tenodesis and rotator cuff repair; of these, 19 patients were evaluated for a mean of 2.0 years. The primary outcome measures were the American Shoulder and Elbow Surgeons Standardized Shoulder Assessment Form (ASES; patient self-report and physician assessment sections), visual analog scale (VAS) pain score, responses to specific biceps-related assessments, and biceps specific physical exam findings. RESULTS: Patient-reported ASES scores improved from 45.9 preoperatively to 91.6 at the 2-year follow-up (P < .001). Pain VAS scores improved from 5.2 preoperatively to 0.7 at the 2-year follow-up (P < .001). Preoperatively, 18 patients had a positive Speed test; all were negative at 5 months postoperatively, and 21 patients had bicipital groove tenderness preoperatively, which resolved in all 21 patients at 5 months postoperatively. At the 2-year follow-up, 2 patients had cramping arm pain and 4 patients noticed a change in arm contour. There were no reoperations. No complications occurred in the study group. CONCLUSION: Arthroscopic biceps tenodesis incorporated into a supraspinatus tendon repair was a safe and reliable option for biceps pathology with a concomitant rotator cuff tear.
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Hip arthroscopy allows minimally invasive treatment of femoroacetabular impingement (FAI) with labral tears. Over the last 2 decades, the indications and techniques for treatment of FAI have evolved, and complex pathology can now be treated arthroscopically. Short- and medium-term patient-reported outcomes demonstrate the reliability of hip arthroscopy for treatment of FAI, although a subset of patients fail to achieve desired results and require revision surgery. The indications for revision surgery after a primary hip arthroscopy are not well described in a large series, and most reviews focus on revision arthroscopy at the exclusion of open surgery (notably periacetabular osteotomy and total hip arthroplasty). Furthermore, patient-reported outcomes after these revision procedures have not been recently summarized.
Subject(s)
Arthroscopy , Femoracetabular Impingement/surgery , Hip Joint , Humans , Reoperation , Reproducibility of ResultsABSTRACT
With evolution of techniques in orthopaedic surgery, incremental improvements can be anticipated. All-inside anterior cruciate ligament (ACL) reconstruction represents a revolution in treatment of ACL injuries, and further technical modifications may result in gradual improvements. This process of continual optimization of our techniques is important for providing the best possible surgical outcomes. Supplemental fixation of the inner graft limbs may lead to improved time-zero biomechanical performance when all-inside ACL reconstruction is performed. However, in ACL surgery, optimal graft selection and fixation are still debated.