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anterior lateral ligament

Kurt P Spindler, Laura J Huston, Kevin M Chagin, Michael W Kattan, Emily K Reinke, Annunziato Amendola, Jack T Andrish, Robert H Brophy, Charles L Cox, Warren R Dunn, David C Flanigan, Morgan H Jones, Christopher C Kaeding, Robert A Magnussen, Robert G Marx, Matthew J Matava, Eric C McCarty, Richard D Parker, Angela D Pedroza, Armando F Vidal, Michelle L Wolcott, Brian R Wolf, Rick W Wright
BACKGROUND: The long-term prognosis and risk factors for quality of life and disability after anterior cruciate ligament (ACL) reconstruction remain unknown. Hypothesis/Purpose: Our objective was to identify patient-reported outcomes and patient-specific risk factors from a large prospective cohort at a minimum 10-year follow-up after ACL reconstruction. We hypothesized that meniscus and articular cartilage injuries, revision ACL reconstruction, subsequent knee surgery, and certain demographic characteristics would be significant risk factors for inferior outcomes at 10 years...
March 2018: American Journal of Sports Medicine
Aoife Healy, Sybil Farmer, Anand Pandyan, Nachiappan Chockalingam
BACKGROUND: Assistive products are items which allow older people and people with disabilities to be able to live a healthy, productive and dignified life. It has been estimated that approximately 1.5% of the world's population need a prosthesis or orthosis. OBJECTIVE: The objective of this study was to systematically identify and review the evidence from randomized controlled trials assessing effectiveness and cost-effectiveness of prosthetic and orthotic interventions...
2018: PloS One
Jia-Ping Pan, Xu-Can Wang, Ming-Hong Huang
OBJECTIVE: To investigate the characteristics and clinical treatment of avulsion fracture of the lateral edge of tibial plateau(segond fracture) in knee joint injuries. METHODS: From January 2011 and December 2015, 29 patients with Segond fracture were treated with minimally invasive arthroscopy technology in intra-articular injuries combined with double anchor nail fixation in avulsion fracture of the lateral edge of tibial plateau, including 17 males and 12 females with an average age of 41 years old ranging from 27 to 62 years old...
February 25, 2018: Zhongguo Gu Shang, China Journal of Orthopaedics and Traumatology
Okihiro Onishi, Kazuya Ikoma, Masamitsu Kido, Yukichi Kabuto, Keiichiro Ueshima, Ken-Ichi Matsuda, Masaki Tanaka, Toshikazu Kubo
BACKGROUND: Articular cartilage degeneration has been evaluated by magnetic resonance imaging (MRI). However, this method has several problems, including its time-consuming nature and the requirement of a high magnetic field or specialized hardware. The purpose of this study was to sequentially assess early degenerative changes in rabbit knee articular cartilage using MRI with a new double-contrast agent. METHODS: We induced osteoarthritis (OA) in the right knee of rabbits by anterior cruciate ligament transection and partial medial meniscectomy...
March 13, 2018: BMC Musculoskeletal Disorders
Mohammad Kia, Timothy M Wright, Michael B Cross, David J Mayman, Andrew D Pearle, Peter K Sculco, Geoffrey H Westrich, Carl W Imhauser
BACKGROUND: The correct amount of external rotation of the femoral component during TKA is controversial because the resulting changes in biomechanical knee function associated with varying degrees of femoral component rotation are not well understood. We addressed this question using a computational model, which allowed us to isolate the biomechanical impact of geometric factors including bony shapes, location of ligament insertions, and implant size across three different knees after posterior-stabilized (PS) TKA...
January 2018: Clinical Orthopaedics and related Research
Jasmin Diallo, Joe Wagener, Christine Schweizer, Tamara Horn Lang, Roxa Ruiz, Beat Hintermann
BACKGROUND: An acute ankle sprain can result in a bony avulsion of the lateral ankle ligaments. The extent of concomitant lesions and subsequent instability patterns are not clearly understood. The high incidence of old avulsion fractures found in symptomatic chronic ankle instability may indicate the need for primary fixation. METHODS: Ten patients (5 male, 5 female; mean age, 34 years; range, 15-64 years) with bony avulsion fractures of the fibula after acute ankle sprains were included...
March 1, 2018: Foot & Ankle International
Andres Kroker, Jennifer L Bhatla, Carolyn A Emery, Sarah L Manske, Steven K Boyd
Anterior cruciate ligament (ACL) tears are a common sports-related knee injury that increases the risk of developing post-traumatic osteoarthritis (OA). During OA progression bone microarchitecture changes in the affected knee, however, little is known about bone microarchitecture in knees with early stage OA. The purpose of this study is to investigate in a cohort of females predisposed to develop OA how bone microarchitecture in ACL reconstructed knees differs from uninjured contralateral knees as well as healthy control knees and how this relates to early changes in OA...
March 8, 2018: Bone
Kim Hébert-Losier, Lina Schelin, Eva Tengman, Andrew Strong, Charlotte K Häger
BACKGROUND: Anterior cruciate ligament (ACL) ruptures may lead to knee dysfunctions later in life. Single-leg tasks are often evaluated, but bilateral movements may also be compromised. Our aim was to use curve analyses to examine double-leg drop-jump kinematics in ACL-reconstructed, ACL-deficient, and healthy-knee cohorts. METHODS: Subjects with unilateral ACL ruptures treated more than two decades ago (17-28years) conservatively with physiotherapy (ACLPT , n=26) or in combination with reconstructive surgery (ACLR , n=28) and healthy-knee controls (n=25) performed 40-cm drop-jumps...
March 7, 2018: Knee
Tserenchimed Purevsuren, Kyungsoo Kim, Myagmarbayar Batbaatar, SuKyoung Lee, Yoon Hyuk Kim
Understanding the mechanism of injury involved in lateral ankle sprain is essential to prevent injury, to establish surgical repair and reconstruction, and to plan reliable rehabilitation protocols. Most studies for lateral ankle sprain posit that ankle inversion, internal rotation, and plantarflexion are involved in the mechanism of injury. However, recent studies indicated that ankle dorsiflexion also plays an important role in the lateral ankle sprain mechanism. In this study, the contributions of ankle plantarflexion and dorsiflexion on the ankle joint were evaluated under complex combinations of internal and inversion moments...
March 1, 2018: Proceedings of the Institution of Mechanical Engineers. Part H, Journal of Engineering in Medicine
Volker Musahl, Elmar Herbst, Jeremy M Burnham, Freddie H Fu
The anterolateral structures of the knee have recently garnered considerable interest regarding their role in rotatory knee instability related to anterior cruciate ligament tears. Isolated anterior cruciate ligament reconstruction may not always restore rotatory stability of the knee. In these patients, additional procedures, such as lateral reconstruction or tenodesis, may be indicated. The anatomy of the anterolateral structures of the knee has been well described. Histologic and anatomic studies have reported conflicting findings regarding the presence of a discrete ligament...
March 6, 2018: Journal of the American Academy of Orthopaedic Surgeons
Kate E Webster, Julian A Feller, Alexander Kimp, Brian M Devitt
PURPOSE: Anterior cruciate ligament (ACL) injuries are frequently not isolated injuries and damage to the menisci and articular cartilage surfaces is common. The concomitant presence of meniscal and chondral damage has the potential to influence patient outcomes following ACL reconstruction surgery and especially following revision ACL reconstruction where these findings are more common. However, study results regarding the mid-term outcome have been inconsistent. The purpose of this study was to compare mid-term patient-reported outcomes and return to sport in patients with and without meniscal and chondral pathology at the time of revision ACL reconstruction surgery...
March 7, 2018: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
Yousef Marwan, Shubhang Kulkarni, Abdullah Addar, Nizar Algarni, Iskandar Tamimi, Mathieu Boily, Paul A Martineau
PURPOSE: The purpose of this study is to describe the prevalence and associated factors of anterolateral ligament (ALL) injury in knee dislocation (KD). METHODS: A retrospective review of charts and radiological images was done for patients who underwent multiligamentous knee reconstruction surgery for KD in the authors' institution from May 2008 to December 2016. The inclusion criteria were both genders, skeletally mature, and first dislocation. Previous anterior cruciate ligament injury or surgery were the exclusion criteria...
March 3, 2018: Arthroscopy: the Journal of Arthroscopic & related Surgery
Mark P Cote
Septic arthritis is a rare but potentially devastating complication after anterior cruciate ligament (ACL) reconstruction. Studies examining surgical treatment options including graft retention and removal are largely inconclusive. Although the literature indicated that 43.8% of patients who have the graft removed later go on to have a revision ACL reconstruction compared with only 6.5% among those whose graft is retained, this expected-value decision analysis found removal to be the optimal treatment for patients with septic arthritis after ACL reconstruction...
March 2018: Arthroscopy: the Journal of Arthroscopic & related Surgery
Shuji Taketomi, Hiroshi Inui, Ryota Yamagami, Kohei Kawaguchi, Keiu Nakazato, Kenichi Kono, Manabu Kawata, Takumi Nakagawa, Sakae Tanaka
BACKGROUND: The purpose of this study was to analyze the association between the prevalence of meniscal and chondral lesions and the timing of surgery in patients undergoing primary anterior cruciate ligament (ACL) reconstruction to determine a safe time for surgery. METHODS: This retrospective study involved 226 patients (91 females and 135 males; median age, 29 years) undergoing primary ACL reconstruction. Time interval from ACL injury to surgery (median, 4 months; range, 1-420 months) and concomitant meniscal and cartilage lesions in ACL reconstruction were reviewed...
February 28, 2018: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
Andrew S Neviaser, Diana C Patterson, Paul J Cagle, Bradford O Parsons, Evan L Flatow
BACKGROUND: Biceps tenodesis reduces the incidence of Popeye deformity occurring with tenotomy, but pain may occur with tenodesis superior to or within the bicipital groove. Arthroscopic suprapectoral tenodesis is an attractive alternative. The purpose of this study was to establish landmarks for arthroscopic suprapectoral tenodesis and determine the appropriate fixation point to optimize muscle tension. METHODS: Twelve fresh cadaveric shoulders were dissected. Urethane polymer was injected into the axillary artery...
February 27, 2018: Journal of Shoulder and Elbow Surgery
Berkcan Akpinar, Eric Thorhauer, James J Irrgang, Scott Tashman, Freddie H Fu, William J Anderst
BACKGROUND: Limited in vivo kinematic information exists on managing meniscal injury during anterior cruciate ligament reconstruction (ACLR). HYPOTHESIS: Isolated anatomic ACLR restores knee kinematics, whereas ACLR in the presence of medial meniscal injury is associated with altered long-term knee kinematics. STUDY DESIGN: Cohort study; Level of evidence, 3. METHODS: From March 2011 to December 2012, 49 of 57 participants in a clinical trial underwent anatomic ACLR with successful kinematic testing at 24 months after ACLR...
March 1, 2018: American Journal of Sports Medicine
Yaning Sun, Huijuan Wang, Yuchao Tang, Shiji Qin, Mingming Zhao, Fengqi Zhang
This study aimed to report our institution's experience in the diagnosis and treatment of chronic lateral ankle instability (CLAI) with ligamentum bifurcatum (LB) injury.This retrospective study included 218 consecutive patients with CLAI who underwent surgery from January 2012 to December 2015. The 218 patients received tendon allograft reconstruction of the lateral ligament. CLAI was combined with LB injury in 51.4% (112/218) of patients. The 112 patients with concurrent LB injury had this treated simultaneously; 36 patients underwent excision of the anterior process of the calcaneus, 68 underwent LB repair, and 8 underwent LB reconstruction...
March 2018: Medicine (Baltimore)
Maria F Mostaed, David M Werner, Joaquin A Barrios
Background: The lateral step-down test is an established clinical evaluation tool to assess quality of movement in patients with knee disorders. However, this test has not been investigated in individuals after anterior cruciate ligament reconstruction (ACLR) in association with quantitative 3D motion analysis. Purposes: The purpose of this study was to determine the strength of association between visually-assessed quality of movement during the lateral step-down test and 3D lower limb kinematics in patients with history of ACLR...
February 2018: International Journal of Sports Physical Therapy
D W Liu, J Li, L Guo, Q G Rong, Y H Zhou
OBJECTIVE: To analyze the stress distribution in the periodontal ligament (PDL) under different loading conditions at the stage of space closure by 3D finite element model of customized lingual appliances. METHODS: The 3D finite element model was used in ANSYS 11.0 to analyze the stress distribution in the PDL under the following loading conditions: (1) buccal sliding mechanics (0.75 N,1.00 N,1.50 N), (2) palatal sliding mechanics (0.75 N,1.00 N,1.50 N), (3) palatal-buccal combined sliding mechanics (buccal 1...
February 18, 2018: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
Henk A Martens, Simone S Boks
A 58-year old man was referred to our rheumatology department because of arthralgia and generalized stiffness. His was already known with Kartagener syndrome with situs inversus. Physical examination revealed multiple painful enthesis and stiffness of the thoracic spine. There were no signs of arthritis. Diffuse idiopathic skeletal hyperostosis (DISH) was suspected. An x-ray of the thoracic spine revealed continuous ossification between five contiguous vertebral bodies (A). The lateral view showed extensive ossification of the anterior longitudinal ligament (B)...
February 26, 2018: Arthritis & Rheumatology
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