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181. Allowing one quadrant of patellar lateral translation during medial patellofemoral ligament reconstruction successfully limits maltracking without overconstraining the patella. Full Text available with Trip Pro

Allowing one quadrant of patellar lateral translation during medial patellofemoral ligament reconstruction successfully limits maltracking without overconstraining the patella. Graft tensioning during medial patellofemoral ligament (MPFL) reconstruction typically allows for lateral patellar translation within the trochlear groove. Computational simulation was performed to relate the allowed patellar translation to patellofemoral kinematics and contact pressures.Multibody dynamic simulation (...) models were developed to represent nine knees with patellar instability. Dual limb squatting was simulated representing the pre-operative condition and simulated MPFL reconstruction. The graft was tensioned to allow 10, 5, and 0 mm of patellar lateral translation at 30° of knee flexion. The patellofemoral contact pressure distribution was quantified using discrete element analysis.For the 5 and 10 mm conditions, patellar lateral shift decreased significantly at 0° and 20°. The 0 mm condition

2017 Knee Surgery, Sports Traumatology, Arthroscopy

182. Medial patella-femoral ligament reconstruction using the anterior half of the peroneus longus tendon as a combined procedure for recurrent patellar instability Full Text available with Trip Pro

Medial patella-femoral ligament reconstruction using the anterior half of the peroneus longus tendon as a combined procedure for recurrent patellar instability Medial patella-femoral ligament reconstruction (MPFLR) using hamstring tendon is the main procedure for recurrent patellar instability. The anterior half of the peroneus longus tendon (AHPLT) has been proven to be a useful alternate to the hamstring tendon in knee ligament reconstruction. The purpose of this study was to evaluate (...) the clinical outcome of MPFLR using the new graft.Forty-five patients with recurrent patellar instability received MPFLR using the AHPLT. Tibial tubercle transfer and lateral release were also performed. Follow-ups were performed at 12 months and 24 months postoperatively, and computed tomography was performed immediately following the operation and at follow-up. The passive patella glide test was performed prior to surgery, during the operation, and at each follow-up point. Knee function was evaluated

2016 Asia-Pacific journal of sports medicine, arthroscopy, rehabilitation and technology

183. Femoral head ostectomy and medial patellar ligament desmotomy to treat a pregnant miniature horse with coxofemoral joint luxation and upward fixation of the patella Full Text available with Trip Pro

Femoral head ostectomy and medial patellar ligament desmotomy to treat a pregnant miniature horse with coxofemoral joint luxation and upward fixation of the patella A 2-year-old, 8-weeks pregnant, non-weight bearing miniature horse mare was treated for a 6-day-old left coxofemoral joint luxation with a femoral head ostectomy. The procedure had no negative effects on pregnancy or parturition and 23 months following surgery the horse had minimal lameness.

2017 The Canadian Veterinary Journal

184. Anterior Cruciate Ligament Graft Conditioning Required to Prevent an Abnormal Lachman and Pivot Shift After ACL Reconstruction: A Robotic Study of 3 ACL Graft Constructs. (Abstract)

Anterior Cruciate Ligament Graft Conditioning Required to Prevent an Abnormal Lachman and Pivot Shift After ACL Reconstruction: A Robotic Study of 3 ACL Graft Constructs. Anterior cruciate ligament (ACL) graft conditioning protocols to decrease postoperative increases in anterior tibial translation and pivot-shift instability have not been established.To determine what ACL graft conditioning protocols should be performed at surgery to decrease postoperative graft elongation after ACL (...) reconstruction.Controlled laboratory study.A 6 degrees of freedom robotic simulator evaluated 3 ACL graft constructs in 7 cadaver knees for a total of 19 graft specimens. Knees were tested before and after ACL sectioning and after ACL graft conditioning protocols before reconstruction. The ACL grafts consisted of a 6-strand semitendinosus-gracilis TightRope, bone-patellar tendon-bone TightRope, and bone-patellar tendon-bone with interference screws. Two graft conditioning protocols were used: (1) graft board tensioning

2019 American Journal of Sports Medicine

185. Factors Associated With Posterior Cruciate Ligament Tightness During Cruciate-Retaining Total Knee Arthroplasty. (Abstract)

Factors Associated With Posterior Cruciate Ligament Tightness During Cruciate-Retaining Total Knee Arthroplasty. The purpose of our study was to identify factors affecting posterior cruciate ligament (PCL) tightness during cruciate-retaining total knee arthroplasty.A total of 225 varus osteoarthritic knees that underwent cruciate-retaining total knee arthroplasty were included in this study. When the flexion gap was tighter than the extension gap after all bone resection and the lift-off sign (...) was positive during surgery, the PCL was released. The association between PCL release and potential risk factors, such as age, gender, body mass index, preoperative range of motion, anterior cruciate ligament status, preoperative hip-knee-ankle angle (HKA), decrease in posterior condylar offset, and also change in tibial posterior slope angle (TPSA) from preoperative to postoperative measurement, was evaluated by univariate and multivariate logistic regression analyses.The PCL was released in 68 of 225

2017 Journal of Arthroplasty

186. Comparative effectiveness review of platelet-rich plasma for tendinopathies or ligament injuries of the knee

for the HTA database. Citation HAYES, Inc. Comparative effectiveness review of platelet-rich plasma for tendinopathies or ligament injuries of the knee. Lansdale: HAYES, Inc. Directory Publication. 2017 Authors' conclusions Health Problem: Injury to the anterior cruciate ligament (ACL) occurs frequently among highintensity athletes and treatment often requires surgical intervention due to the limited intrinsic capacity of the ligament for spontaneous healing. ACL injuries occur most frequently in sports (...) that involve sudden stops or changes in direction. Patellar tendinopathy (also known as jumper's knee) is characterized by anterior knee pain and is common among athletes that compete in sports with heavy use of the knee extensors, such as volleyball and basketball. Technology Description: Platelet-rich plasma (PRP) is blood plasma with a higher-than-usual concentration of platelets. The injection of autologous PRP is proposed to improve local healing, thereby treating conditions, including ligament

2017 Health Technology Assessment (HTA) Database.

187. The Presence of the Arthroscopic "Floating Meniscus" Sign as an Indicator for Surgical Intervention in Patients With Combined Anterior Cruciate Ligament and Grade II Medial Collateral Ligament Injury Full Text available with Trip Pro

to the characterization and localization medial collateral ligament (MCL) injuries.A total of 112 patients diagnosed with combined anterior cruciate ligament (ACL)-MCL grade II injuries to be treated with ACL reconstruction surgery were included in the study. During arthroscopy, patients diagnosed with the "floating meniscus" sign were divided into 2 groups: group 1 (n = 58) was treated with ACL and medial compartment reconstruction surgery and group 2 (n = 54) was treated with ACL reconstruction and nonsurgical (...) The Presence of the Arthroscopic "Floating Meniscus" Sign as an Indicator for Surgical Intervention in Patients With Combined Anterior Cruciate Ligament and Grade II Medial Collateral Ligament Injury To compare the outcomes of patients with an arthroscopic floating meniscus sign at 24-month follow-up when treated with and without medial compartment reconstruction surgery. Another aim of the present study was to compare magnetic resonance imaging and arthroscopic findings directly related

2019 EvidenceUpdates

188. Rehabilitation Protocol for Reconstruction of Anterior Cruciate Ligament and Anterolateral Knee Ligament Surgery

surgeries of ACL and ALL reconstruction. Condition or disease Intervention/treatment Phase Anterior Cruciate Ligament Reconstruction Anterolateral Ligament Reconstruction Rehabilitation Other: partial knee immobilization protocol Other: standard ACL reconstruction rehabilitation protocol Not Applicable Detailed Description: Currently, the anatomical reconstruction of the ACL has been widely used, with the purpose of increasing the knee rotational control after the injury, and thus, to improve (...) for the rehabilitation of patients undergoing combined re-construction of ACL and ALL. Masking: Single (Investigator) Primary Purpose: Treatment Official Title: Post-operative Rehabilitation Protocol for Combined Reconstruction of Anterior Cruciate Ligament and Anterolateral Knee Ligament Surgery Actual Study Start Date : November 1, 2016 Estimated Primary Completion Date : December 28, 2019 Estimated Study Completion Date : December 28, 2019 Resource links provided by the National Library of Medicine related topics

2017 Clinical Trials

189. Editorial Commentary: Increased Risk of Second Ruptures and Poorer Outcomes After Anterior Cruciate Ligament Injury and Reconstruction in Hypermobile Athletes: A Potential Synergism of Passive Ligamentous and Active Muscular Control of Dynamic Knee Stabil Full Text available with Trip Pro

with other reports of similar studies from the published literature. However, controversy remains regarding other potentially predictive and confounding variables. For example, age, activity level, sex, and dynamic neuromuscular control were not considered in this interesting, important, and potentially impactful study. Dynamic stability of the knee joint is determined by both passive (ligamentous and tendinous) and dynamic (neuromuscular) restraints. Most anterior cruciate ligament (ACL) injuries (...) Editorial Commentary: Increased Risk of Second Ruptures and Poorer Outcomes After Anterior Cruciate Ligament Injury and Reconstruction in Hypermobile Athletes: A Potential Synergism of Passive Ligamentous and Active Muscular Control of Dynamic Knee Stabil Graft failure rates were higher and inferior subjective outcomes were observed after anterior cruciate ligament reconstruction in patients with generalized hypermobility. This is a clear and corroborative finding that is highly consilient

2017 Arthroscopy

190. Anterolateral Ligament Expert Group consensus paper on the management of internal rotation and instability of the anterior cruciate ligament - deficient knee Full Text available with Trip Pro

Anterolateral Ligament Expert Group consensus paper on the management of internal rotation and instability of the anterior cruciate ligament - deficient knee Purpose of this paper is to provide an overview of the latest research on the anterolateral ligament (ALL) and present the consensus of the ALL Expert Group on the anatomy, radiographic landmarks, biomechanics, clinical and radiographic diagnosis, lesion classification, surgical technique and clinical outcomes. A consensus on controversial (...) fracture, and often occurs in conjunction with acute anterior cruciate ligament (ACL) injury. Recognition and repair of the ALL lesions should be considered to improve the control of rotational stability provided by ACL reconstruction. For high-risk patients, a combined ACL and ALL reconstruction improves rotational control and reduces the rate of re-rupture, without increased postoperative complication rates compared to ACL-only reconstruction. In conclusion this paper provides a contemporary

2017 Journal of orthopaedics and traumatology : official journal of the Italian Society of Orthopaedics and Traumatology

191. Avulsion of the Femoral Attachment of the Medial Collateral Ligament of the Knee Associated to Complete Tear of the Posterior Cruciate Ligament: A Case Report Full Text available with Trip Pro

Avulsion of the Femoral Attachment of the Medial Collateral Ligament of the Knee Associated to Complete Tear of the Posterior Cruciate Ligament: A Case Report Medial collateral ligament (MCL) of the knee is one of the most commonly injured ligaments of the knee. Incidence of posterior cruciate ligament (PCL) injuries can vary widely. Conservative treatment has shown good clinical outcomes and relatively rapid return to play in both injuries alone. We present the case of a 38-year-old male who

2017 The Surgery Journal

192. MRI is not reliable in diagnosing of concomitant anterolateral ligament and anterior cruciate ligament injuries of the knee. (Abstract)

MRI is not reliable in diagnosing of concomitant anterolateral ligament and anterior cruciate ligament injuries of the knee. There has been a renewed interest in the anterolateral structures of the knee, including description of the anterolateral ligament (ALL) as a distinct structure. Recognizing injury to the ALL is challenging, particularly given the subjective nature of physical examination. Consequently, focus has turned to magnetic resonance imaging (MRI) to reach a preoperative diagnosis (...) radiologist and an orthopaedic surgeon evaluated the scans performed using standard knee protocols. The ALL was considered in three regions for analysis: femoral, meniscal, and tibial. The status of the ALL was determined as visualized or non-visualized, and the integrity was assessed as intact, attenuated, or focal discontinuity.The detection rate of at least a portion of the ALL was 41/64 (64%) in the control group and 45/63 (72%) in the ACL-injured cohort, respectively. The entire length of the ALL

2017 Knee Surgery, Sports Traumatology, Arthroscopy

193. Increased odds of patient-reported success at 2 years after anterior cruciate ligament reconstruction in patients without cartilage lesions: a cohort study from the Swedish National Knee Ligament Register. Full Text available with Trip Pro

Increased odds of patient-reported success at 2 years after anterior cruciate ligament reconstruction in patients without cartilage lesions: a cohort study from the Swedish National Knee Ligament Register. To investigate whether the surgical technique of single-bundle anterior cruciate ligament (ACL) reconstruction, the visualization of anatomic surgical factors and the presence or absence of concomitant injuries at primary ACL reconstruction are able to predict patient-reported success (...) cruciate ligament reconstruction scoring checklist items, defined as the utilization of accessory medial portal drilling, anatomic tunnel placement, the visualization of insertion sites and pertinent landmarks. A univariate logistic regression model adjusted for age and gender was used to determine predictors of patient-reported success and failure, i.e. 20th and 80th percentile, respectively, in the Knee injury and Osteoarthritis Outcome Score (KOOS), 2 years after ACL reconstruction.In the 6889

2017 Knee Surgery, Sports Traumatology, Arthroscopy

194. Adolescents and female patients are at increased risk for contralateral anterior cruciate ligament reconstruction: a cohort study from the Swedish National Knee Ligament Register based on 17,682 patients. Full Text available with Trip Pro

Adolescents and female patients are at increased risk for contralateral anterior cruciate ligament reconstruction: a cohort study from the Swedish National Knee Ligament Register based on 17,682 patients. The impact of different surgical techniques in index ACL reconstruction for patients undergoing contralateral ACL reconstruction was investigated.The study was based on data from the Swedish National Knee Ligament Register. Patients undergoing index ACL reconstruction and subsequent (...) contralateral ACL reconstruction using hamstring graft under the study period were included. The following variables were evaluated: age at index surgery, gender, concomitant meniscal or cartilage injury registered at index injury, transportal femoral bone tunnel drilling and transtibial femoral bone tunnel drilling. The end-point of primary contralateral ACL surgery was analysed as well as the time-to-event outcomes using survivorship methods including Kaplan-Meier estimation and Cox proportional hazards

2017 Knee Surgery, Sports Traumatology, Arthroscopy

195. Comparative effectiveness review of nonirradiated allografts for primary anterior cruciate ligament reconstruction

been made for the HTA database. Citation HAYES, Inc. Comparative effectiveness review of nonirradiated allografts for primary anterior cruciate ligament reconstruction. Lansdale: HAYES, Inc. Directory Publication. 2017 Authors' conclusions Health Problem: The anterior cruciate ligament (ACL) is 1 of 4 major ligaments in the knee joint that maintain stability of the joint. Most ACL injuries are complete or near-complete tears resulting in substantial joint instability. Technology Description: ACL (...) quality). While allografts overcome these limitations, they carry risks of infectious agent transmission, immune response, and delayed incorporation. Key Questions: Are nonirradiated allografts effective in repairing knee function following anterior cruciate ligament (ACL) reconstruction? How do nonirradiated tendon allografts compare with autografts with regard to knee function following ACL reconstruction? Are nonirradiated tendon allografts safe? Have definitive patient selection criteria been

2017 Health Technology Assessment (HTA) Database.

196. A Randomized Controlled Trial Comparing a Medial Stabilized Total Knee Prosthesis to a Cruciate Retaining and Posterior Stabilized Design: A Report of the Clinical and Functional Outcomes Following Total Knee Replacement Full Text available with Trip Pro

A Randomized Controlled Trial Comparing a Medial Stabilized Total Knee Prosthesis to a Cruciate Retaining and Posterior Stabilized Design: A Report of the Clinical and Functional Outcomes Following Total Knee Replacement A Randomized Controlled Trial Comparing a Medial Stabilized Total Knee Prosthesis to a Cruciate Retaining and Posterior Stabilized Design: A Report of the Clinical and Functional Outcomes Following Total Knee Replacement - PubMed This site needs JavaScript to work properly (...) at most: Send even when there aren't any new results Optional text in email: Save Cancel Create a file for external citation management software Create file Cancel Your RSS Feed Name of RSS Feed: Number of items displayed: Create RSS Cancel RSS Link Copy Actions Cite Share Permalink Copy Page navigation J Arthroplasty Actions . 2020 Jun;35(6):1583-1590.e2. doi: 10.1016/j.arth.2020.01.085. Epub 2020 Feb 7. A Randomized Controlled Trial Comparing a Medial Stabilized Total Knee Prosthesis to a Cruciate

2020 EvidenceUpdates

197. Patellar resurfacing versus patellar nonresurfacing in primary total knee arthroplasty: A protocol for systematic review and meta analysis. Full Text available with Trip Pro

Patellar resurfacing versus patellar nonresurfacing in primary total knee arthroplasty: A protocol for systematic review and meta analysis. Total knee arthroplasty (TKA) is one of the most common orthopedic procedures. However, the decision to resurface the patella during a primary TKA remains controversial. Therefore, a systematic review and meta-analysis were conducted to determine whether patellar resurfacing is needed in primary total knee arthroplasty.A systematic literature research (...) analysis and synthesis will be completed by the Review Manager 5.3.The conclusion of this study will provide clinicians performing TKA with a recommendation whether to conduct patellar resurfacing and further guide the clinical decision-making.PROSPERO registration number: CRD42019129711.

2020 Medicine

198. Correction to: Young athletes return too early to knee-strenuous sport, without acceptable knee function after anterior cruciate ligament reconstruction. Full Text available with Trip Pro

Correction to: Young athletes return too early to knee-strenuous sport, without acceptable knee function after anterior cruciate ligament reconstruction. The author claims that his name is incorrectly listed on PubMed. The first name should be Eric and the last name should be Hamrin Senorski. On SpringerLink the name is listed correctly, but on PubMed he is listed as Senorski EH.

2017 Knee Surgery, Sports Traumatology, Arthroscopy

199. Young athletes return too early to knee-strenuous sport, without acceptable knee function after anterior cruciate ligament reconstruction. Full Text available with Trip Pro

Young athletes return too early to knee-strenuous sport, without acceptable knee function after anterior cruciate ligament reconstruction. The purpose of this study was to evaluate the return to knee-strenuous sport rate, muscle function and subjective knee function among adolescent patients (15-20 years of age) and adult patients (21-30 years of age) 8 and 12 months, respectively, after anterior cruciate ligament (ACL) reconstruction. It was hypothesised that no differences in outcome would (...) be found between age groups at 8 or 12 months after ACL reconstruction.Cross-sectional data from five tests of muscle function, from the Knee injury and Osteoarthritis Outcome Score (KOOS) and the Tegner Activity Scale (Tegner), performed at 8 and 12 months after a primary ACL reconstruction, were extracted from a rehabilitation outcome register. A total of 270 (51% women) athletes, aged 15-30 years, who were all involved in knee-strenuous sport prior the injury, were included at 8 months after ACL

2017 Knee Surgery, Sports Traumatology, Arthroscopy

200. Re-revision anterior cruciate ligament reconstruction showed more laxity than revision anterior cruciate ligament reconstruction at a minimum 2-year follow-up. (Abstract)

Re-revision anterior cruciate ligament reconstruction showed more laxity than revision anterior cruciate ligament reconstruction at a minimum 2-year follow-up. This study aimed to compare patient demographics, associated lesions (concurrent meniscal and chondral injuries), and clinical outcomes between revision and re-revision anterior cruciate ligament reconstructions.Patients who underwent revision or re-revision anterior cruciate ligament reconstruction between 2008 and 2016 with a minimum 2 (...) instability in the anterior drawer (P = 0.001), Lachman (P < 0.001), and pivot-shift (P < 0.001) tests, while a side-to-side difference was observed on the Telos stress radiographs (7.1 ± 4.7 vs 4.9 ± 3.7 mm, P = 0.038).These findings showed that the patients who underwent re-revision had poor prognostic factors as compared with those who underwent revision anterior cruciate ligament reconstruction. Although the clinical scores did not differ significantly between the groups, the re-revision group showed

2019 Knee Surgery, Sports Traumatology, Arthroscopy

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