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Lateral Ligament

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https://www.readbyqxmd.com/read/28549362/-iliotibial-band-friction-syndrome-due-to-bioabsorbable-pins-in-acl-reconstruction
#1
F Cruz-López, A Mallen-Trejo, C Pascual-Vidriales, A Almazán-Díaz, J C Ibarra-Ponce de León
Injuries of the anterior cruciate ligament are currently treated primarily with the use of hamstring graft with a wide range of different techniques and fixation systems for anterior cruciate ligament in reducing patient morbidity. We report the case of a female patient aged 42 that suffered an anterior cruciate ligament rupture and was treated with anterior cruciate ligament reconstruction with hamstring autograft with femoral fixation with bio-absorbable cross-pin and tibial fixation with bio-absorbable screw...
November 2016: Acta Ortopédica Mexicana
https://www.readbyqxmd.com/read/28544269/a-novel-approach-for-early-evaluation-of-orthodontic-process-by-a-numerical-thermo-mechanical-analysis
#2
Z Heidary, A Mojra, M Shirazi, M Bazargan
The main objective of this paper is to propose a novel method that provides an opportunity to evaluate an orthodontic process at early phase of the treatment. This was accomplished by finding out a correlation between the applied orthodontic force and thermal variations in the tooth structure. To this end, geometry of the human tooth surrounded by the connective soft tissue called the periodontal ligament and the bone was constructed by employing dental CT scan images of a specific case. The periodontal ligament was modeled by finite strain viscoelastic model through a nonlinear stress-strain relation (hyperelasticity) and nonlinear stress-time relation (viscoelasticity)...
May 21, 2017: International Journal for Numerical Methods in Biomedical Engineering
https://www.readbyqxmd.com/read/28538578/total-abdominal-wall-transplantation-an-anatomical-study-and-classification-system
#3
David Light, Neilendu Kundu, Risal Djohan, Cristiano Quintini, Namita Gandhi, Brian R Gastman, Richard Drake, Maria Siemionow, James E Zins
BACKGROUND: Candidates for multivisceral transplantation present with complex defects often beyond traditional reconstructive options. In this study, the authors describe a dissection technique for a total abdominal wall vascularized composite flap. In addition, the authors suggest a classification system for complex abdominal wall defects. METHODS: Forty fresh, cadaveric hemiabdomens were dissected, with care taken to preserve the iliofemoral, deep circumflex iliac, superficial circumflex iliac, deep inferior epigastric, and superficial inferior epigastric arteries and corresponding veins...
June 2017: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28536855/rotational-laxity-control-by-the-anterolateral-ligament-and-the-lateral-meniscus-is-dependent-on-knee-flexion-angle-a-cadaveric-biomechanical-study
#4
Timothy Lording, Gillian Corbo, Dianne Bryant, Timothy A Burkhart, Alan Getgood
BACKGROUND: Injury to the anterolateral ligament (ALL) has been reported to contribute to high-grade anterolateral laxity after anterior cruciate ligament (ACL) injury. Failure to address ALL injury has been suggested as a cause of persistent rotational laxity after ACL reconstruction. Lateral meniscus posterior root (LMPR) tears have also been shown to cause increased internal rotation of the knee. QUESTIONS/PURPOSES: The purpose of this study was to determine the functional relationship between the ALL and LMPR in the control of internal rotation of the ACL-deficient knee...
May 23, 2017: Clinical Orthopaedics and related Research
https://www.readbyqxmd.com/read/28534321/does-anatomic-single-bundle-acl-reconstruction-using-hamstring-autograft-produce-anterolateral-meniscal-root-tearing
#5
Sebastián Irarrázaval, Angel Masferrer-Pino, Maximiliano Ibañez, Tamer M A Shehata, María Naharro, Joan C Monllau
BACKGROUND: To determine if tibial tunnel reaming during anatomic single-bundle anterior cruciate ligament (ACL) reconstruction using hamstring autograft can result in anterolateral meniscal root injury, as diagnosed by magnetic resonance imaging (MRI). METHODS: A case series of 104 primary anatomic single-bundle ACL reconstructions using hamstring autograft was retrospectively reviewed. Pre- and post-operative (>1 year) MRIs were radiologically evaluated for each patient, with a lateral meniscus extrusion > 3 mm at the level of the medial collateral ligament midportion on a coronal MRI, to establish anterolateral meniscal root injury...
December 2017: Journal of Experimental Orthopaedics
https://www.readbyqxmd.com/read/28533596/the-ratio-of-medial-and-lateral-hamstring-muscle-thickness-does-not-correlate-with-the-lateral-tibial-rotation-angle-in-the-standing-position-in-healthy-young-adults
#6
Dong-Soo Lee, Sung-Dae Choung, Seung-Won Lee, Hye Rim Suh, Jae-Hoon Shim
[Purpose] To investigate the relationship between the lateral tibial rotation angle during knee joint flexion and the medial and lateral hamstring muscle thickness ratio during knee joint extension while resting, doing nothing, in upright standing position. The lateral tibial torsion is an important factor of orthopedic knee joint diseases as well as other weight bearing joint diseases such as osteoarthritis, meniscus syndrome, anterior cruciate ligament rupture, etc. [Subjects and Methods] Thirty healthy young adults participated in this study...
April 2017: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/28531285/paratrigeminal-paraclival-precavernous-or-all-of-the-above-a-circumferential-anatomical-study-of-the-c3-c4-transitional-segment-of-the-internal-carotid-artery
#7
Eleonora Marcati, Norberto Andaluz, Sebastien C Froelich, Lee A Zimmer, James L Leach, Juan Carlos Fernandez-Miranda, Almaz Kurbanov, Jeffrey T Keller
BACKGROUND: Although the term paraclival carotid pervades recent skull base literature, no clear consensus exists regarding boundaries or anatomical segments. OBJECTIVE: To reconcile various internal carotid artery (ICA) nomenclatures for transcranial and endoscopic-endonasal perspectives, we reexamined the transition between lacerum (C3) and cavernous (C4) segments using a C1-C7 segments schema. In this cadaveric study, we obtained a 360°-circumferential view integrating histological, microsurgical, endoscopic, and neuroradiological analyses of this C3-C4 region and identified a distinct transitional segment...
May 21, 2017: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/28530218/visualization-of-penile-suspensory-ligamentous-system-based-on-visible-human-data-sets
#8
Xianzhuo Chen, Yi Wu, Ling Tao, Yan Yan, Jun Pang, Shaoxiang Zhang, Shirong Li
BACKGROUND The aim of this study was to use a three-dimensional (3D) visualization technology to illustrate and describe the anatomical features of the penile suspensory ligamentous system based on the Visible Human data sets and to explore the suspensory mechanism of the penis for the further improvement of the penis-lengthening surgery. MATERIAL AND METHODS Cross-sectional images retrieved from the first Chinese Visible Human (CVH-1), third Chinese Visible Human (CVH-3), and Visible Human Male (VHM) data sets were used to segment the suspensory ligamentous system and its adjacent structures...
May 22, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28523427/-total-ankle-arthroplasty-with-simultaneous-subtalar-fusion
#9
J Mainzer, P Rippstein
OBJECTIVE: Pain free weight bearing ability with orthograde hindfoot position and preserved tibiotalar motion. INDICATIONS: Symptomatic arthritis of the ankle and subtalar joint, additional subtalar hindfoot malalignment. CONTRAINDICATIONS: Absolute: acute infection, noncorrectable ligamentous instability or bony defects, restricted perfusion, diabetic foot syndrome. Relative: inability to comply with postoperative partial weight bearing, only moderate symptoms of subtalar arthritis, smoking, intricate soft tissue situation...
May 18, 2017: Operative Orthopädie und Traumatologie
https://www.readbyqxmd.com/read/28520850/anatomical-study-of-temporal-fat-compartments-and-its-clinical-application-for-temporal-fat-grafting
#10
Ru-Lin Huang, Yun Xie, Wenjin Wang, Tanja Herrler, Jia Zhou, Peijuan Zhao, Lee L Q Pu, Qingfeng Li
Background: Low satisfaction rates and severe complications are two major limitations for temporal hollowing augmentation using autologous fat grafting. Despite fat compartments in temporal region have been reported, its clinical applied anatomy for fat grafting have not been the subject of studies that show its benefits objectively and statistically. Objectives: To investigate temporal fat compartments and relative neurovascular structures in cadavers, developing a safe and effective fat grafting technique for temporal hollowing augmentation...
May 18, 2017: Aesthetic Surgery Journal
https://www.readbyqxmd.com/read/28520463/a-preclinical-assessment-of-early-continuous-passive-motion-and-treadmill-therapeutic-exercises-for-generating-chondroprotective-effects-after-anterior-cruciate-ligament-rupture
#11
Nai-Jen Chang, Kuan-Wei Lee, Chih-Jou Chu, Ming-You Shie, Pei-Hsi Chou, Chih-Chan Lin, Peir-In Liang
BACKGROUND: Anterior cruciate ligament (ACL) injury is a well-known risk factor for the development of posttraumatic osteoarthritis (PTOA). However, whether using continuous passive motion (CPM) with or without additional treadmill exercise (TRE) in early ACL injury might provide chondroprotective effects and further decrease the risk of PTOA has yet to be determined. HYPOTHESIS: CPM may offer an enhanced chondroprotective effect, but TRE may attenuate that effect due to the mechanical stress on the joint and inflammatory cytokines in the joint...
May 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28514501/intraarticular-capacity-of-the-elbow-joint
#12
Mathias van den Broek, Roger van Riet
INTRODUCTION: The intraarticular capacity of the elbow joint is reported to be 23 ± 4ml on cadaveric elbows. During years, this value was the standard. The aim of this observational study was to reanalyze the volume of the elbow joint on live patients. MATERIALS AND METHODS: Measurement of the intraarticular capacity and pressure of the elbow joint was performed on 30 patients (mean age: 43.8 years) undergoing elbow arthroscopy. Intra-articular capacity was recorded when the elbow moved to the maximum lose packed position and/or when there was a sudden drop in pressure, indicating a capsular rupture (maximum capacity)...
May 17, 2017: Clinical Anatomy
https://www.readbyqxmd.com/read/28511868/tunnel-malpositions-in-anterior-cruciate-ligament-risk-cartilaginous-changes-and-bucket-handle-meniscal-tear-arthroscopic-survey-in-both-primary-and-revision-surgery
#13
Daisuke Chiba, Eiichi Tsuda, Harehiko Tsukada, Kohei Iio, Yasuyuki Ishibashi
OBJECTIVES: There are not many chances to arthroscopically reassess how graft tunnel malpositions in primary anterior cruciate ligament reconstruction (ACLR) associate with intra-articular degeneration in revision ACLR. This study was aimed to evaluate whether radiographic tunnel position in primary ACLR affect cartilaginous changes and bucket-handle meniscus tears in revision ACLR. METHODS: Thirty-five patients who underwent revision ACLR were recruited; their primary surgeries were single-bundle reconstructions...
May 13, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/28511363/solving-the-mystery-of-the-antero-lateral-ligament
#14
P H Sonia Farhan, Rathi Sudhakaran, Jai Thilak
INTRODUCTION: The cruciate ligaments are essential for the antero-posterior stability of the knee joint. In Anterior Cruciate Ligament (ACL) rupture, though reconstructive surgery is a widely accepted and proven procedure, there is still an unacceptably high re-injury rate. The fact that the rotational instability persists even after the surgical reconstruction of ACL injury has evoked a new interest in the study of the soft tissue structures on the anterolateral aspect of the knee joint...
March 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28509686/accuracy-of-point-of-care-ultrasonography-for-pediatric-ankle-sprain-injuries
#15
Sarah Jones, Keith Colaco, Jason Fischer, Jennifer Stimec, Charisse Kwan, Kathy Boutis
OBJECTIVES: In children with radiograph fracture-negative lateral ankle injuries, the main objective of this pilot study was to explore the accuracy, sensitivity, and specificity of point-of-care ultrasound (POCUS) performed by a pediatric emergency physician in diagnosing anterior talofibular ligament injuries, radiographically occult distal fibular fractures, and effusions compared with reference standard magnetic resonance imaging (MRI). METHODS: This was a prospective cohort pilot study...
May 15, 2017: Pediatric Emergency Care
https://www.readbyqxmd.com/read/28508959/surgical-treatment-of-patellar-instability-clinical-and-radiological-outcome-after-medial-patellofemoral-ligament-reconstruction-and-tibial-tuberosity-medialisation
#16
Stefan Lobner, Christine Krauss, Frank Reichwein, Thilo Patzer, Wolfgang Nebelung, Arne J Venjakob
INTRODUCTION: The aim of this retrospective study was to analyse clinical and radiological outcome after medial patellofemoral ligament reconstruction (MPFLR) and tibial tuberosity medialisation (TTM) in patients with recurrent patellar instability. MATERIALS AND METHODS: Thirty-five patients were included between 2008 and 2012. According to defined criteria such as tibial tuberosity-trochlear groove (TTTG) distance, hyperpression on the lateral patella facet and lateral retropatellar cartilage damage either MPFLR (group A) or TTM (group B) was performed: 18 patients underwent TTM, the other 17 patients underwent MPFLR...
May 16, 2017: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/28502387/anterolateral-ligament-reconstruction-techniques-biomechanics-and-clinical-outcomes-a-systematic-review
#17
REVIEW
Nicholas N DePhillipo, Mark E Cinque, Jorge Chahla, Andrew G Geeslin, Robert F LaPrade
PURPOSE: To perform a systematic review of the described anterolateral ligament (ALL) reconstruction techniques, biomechanical performance, and clinical outcomes of ALL reconstruction in the setting of concurrent anterior cruciate ligament (ACL) reconstruction. METHODS: A systematic review was performed according to PRISMA guidelines using the Cochrane Database of Systematic Reviews, the Cochrane Central Register of Controlled Trials, PubMed, MEDLINE, and Embase, from 1980 to present...
May 11, 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/28501222/medial-patellar-instability-a-systematic-review-of-the-literature-of-outcomes-after-surgical-treatment
#18
REVIEW
Gilbert Moatshe, Mark E Cinque, Bradley M Kruckeberg, Jorge Chahla, Robert F LaPrade
PURPOSE: To perform a systematic review of literature reporting on outcomes after surgical treatment of medial patellar instability. METHODS: A systematic review was performed according to PRISMA guidelines. Inclusion criteria were as follows: the outcomes and complications of medial patellar instability repair with a follow-up greater than 12 months, English language, and human studies. We excluded cadaveric studies, animal studies, basic science articles, editorial articles, review articles, and surveys...
May 10, 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/28499093/the-segond-fracture-is-an-avulsion-of-the-anterolateral-complex
#19
Humza Shaikh, Elmar Herbst, Ata Amir Rahnemai-Azar, Marcio Bottene Villa Albers, Jan-Hendrik Naendrup, Volker Musahl, James J Irrgang, Freddie H Fu
BACKGROUND: The Segond fracture was classically described as an avulsion fracture of the anterolateral capsule of the knee. Recently, some authors have attributed its pathogenesis to the "anterolateral ligament" (ALL). Biomechanical studies that have attempted to reproduce this fracture in vitro have reported conflicting findings. PURPOSE: To determine the anatomic characteristics of the Segond fracture on plain radiographs and magnetic resonance imaging (MRI), to compare this location with the location of the ALL described in prior radiographic and anatomic publications, and to determine the fracture's attachments to the soft tissue anterolateral structures of the knee...
May 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28490686/-a-case-of-meralgia-paresthetica-treated-with-neurolysis
#20
Toshiki Nozaki, Daijiro Morimoto, Kyongsong Kim, Takao Kitamura, Rinko Kokubo, Fumio Yamaguchi, Toyohiko Isu, Akio Morita
A 60-year-old woman presented with a 1-year history of pain and numbness in the left anterolateral thigh. The symptoms aggravated on walking and standing. Her visual analogue scale(VAS)score was 7.1/10. Tinel's like sign was positive over the lateral femoral cutaneous nerve(LFCN), in the inguinal ligament region. LFCN block at the trigger point, in the inguinal ligament, resulted in relief of the symptoms and we diagnosed meralgia paresthetica(MP), which is the entrapment neuropathy of the LFCN. Initially, we performed observation therapy with oral medication and LFCN blocks...
May 2017: No Shinkei Geka. Neurological Surgery
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