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Artigos de revistas sobre o assunto "Ligament injury":
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Sevick, Johnathan L., Bryan J. Heard, Ian KY Lo, John A. Randle, Cyril B. Frank, Nigel G. Shrive e Gail M. Thornton. "Are re-injured ligaments equivalent mechanically to injured ligaments: The role of re-injury severity?" Proceedings of the Institution of Mechanical Engineers, Part H: Journal of Engineering in Medicine 232, n.º 7 (julho de 2018): 665–72. http://dx.doi.org/10.1177/0954411918784088.
The consequences of ligament re-injury have received limited attention. Although the mechanical properties of injured ligaments improve over time, these properties are never fully recaptured, rendering these injured ligaments susceptible to re-injury. Previous injury is a significant risk factor for recurrent injury, and this re-injury can result in longer absence from activity than the initial injury. A rabbit medial collateral ligament model was used to compare mechanically re-injured right medial collateral ligaments to injured left medial collateral ligaments. Two groups of different re-injury severity were investigated: ‘minor’ re-injury comparing transection re-injured right medial collateral ligaments to transection injured left medial collateral ligaments; ‘major’ re-injury comparing gap re-injured right medial collateral ligaments to transection injured left medial collateral ligaments. Initial injuries for both groups were right medial collateral ligament transections 1 week before re-injury. After 5–6 weeks of healing, mechanical testing was performed to determine (dimensionally) cross-sectional area; (structurally) medial collateral ligament laxity, failure load, and stiffness; and (materially) cyclic creep strain and failure stress. Because we wanted to evaluate whether the mechanical properties of re-injured ligaments were equivalent or, at least, no worse than injured ligaments, we used equivalence/noninferiority testing. This approach evaluates a research hypothesis of equivalence, rather than difference, and determines whether comparisons are ‘statistically equivalent’, ‘noninferior’, or ‘potentially inferior’. Transection re-injured and gap re-injured ligaments were ‘statistically equivalent’ structurally to transection injured ligaments. Transection re-injured ligaments were ‘noninferior’ both materially and dimensionally to transection injured ligaments. Gap re-injured ligaments were ‘potentially inferior’ both materially and dimensionally to transection injured ligaments. Two differences between the re-injuries, which affect healing, may explain the mechanical outcomes: the presence or lack of healing products and the proximity of ligament ends at the time of re-injury. Our findings suggest that (in the short term) there is a severity of re-injury below which there is no additional disadvantage to the healing process, mechanical behaviour, and resulting potential for re-injury.
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Wijdicks, Coen A., Chad J. Griffith, Robert F. LaPrade, Stanislav I. Spiridonov, Steinar Johansen, Bryan M. Armitage e Lars Engebretsen. "Medial Knee Injury". American Journal of Sports Medicine 37, n.º 9 (16 de julho de 2009): 1771–76. http://dx.doi.org/10.1177/0363546509335191.
Background There is limited information regarding directly measured load responses of the posterior oblique and superficial medial collateral ligaments in isolated and multiple medial knee ligament injury states. Hypotheses Tensile load responses from both the superficial medial collateral ligament and the posterior oblique ligament would be measurable and reproducible, and the native load-sharing relationships between these ligaments would be altered after sectioning of medial knee structures. Study Design Descriptive laboratory study. Methods Twenty-four nonpaired, fresh-frozen adult cadaveric knees were distributed into 3 sequential sectioning sequences. Buckle transducers were applied to the posterior oblique ligament and the proximal and distal divisions of the superficial medial collateral ligament; 10 N·m valgus moments and 5 N·m internal and external rotation torques were applied at 0°, 20°, 30°, 60°, and 90° of knee flexion. Results With an applied valgus and external rotation moment, there was a significant load increase on the posterior oblique ligament compared with the intact state after sectioning all other medial knee structures. With an applied external rotation torque, there was a significant load decrease on the proximal division of the superficial medial collateral ligament from the intact state after sectioning all other medial knee structures. With an applied external rotation torque, the distal division of the superficial medial collateral ligament experienced a significant load increase from the intact state after sectioning the posterior oblique ligament and the meniscofemoral division of the deep medial collateral ligament. Conclusion This study found alterations in the native load-sharing relationships of the medial knee structures after injury. Sectioning both the primary and secondary restraints to valgus and internal/external rotation of the knee alters the intricate load-sharing relationships that exist between the medial knee structures. Clinical Significance In cases in which surgical repair or reconstruction is indicated, consideration should be placed on repairing or reconstructing all injured medial knee structures to restore the native load-sharing relationships among these medial knee structures.
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Sisu, Alina Maria, Gheorghe Noditi, Dan Grigorescu, Sorin Floresc, Jenel Marian Patrascu, Jenel Marian Patrascu Jr., Elena Pop e Sorin Lucian Bolintineanu. "The Benefits of the Plastination Techniques for the Anatomo Clinical Studies of Ankle Joint Ligaments Injuries". Materiale Plastice 54, n.º 3 (30 de setembro de 2017): 487–90. http://dx.doi.org/10.37358/mp.17.3.4877.
The present research was made by following three directions: dissection and plastination, clinical ankle joint ligament injuries and MRI and CT examination of the cases.191 cases of ankle joint ligament injuries have been studied during two years. They were examined clinically and radiologically, using CT and MRI testing. The classification of ankle sprain was based on the number of injured ligaments. Out of the 191 cases diagnosed with ligament injuries, 92 involved the anterior talofibular ligament, 54 in the calcaneofibular ligament, 40 involved the posterior talofibular ligament and 5 involved the deltoid ligament. First degree sprain involves the injury of the anterior talofibular ligament, the second degree sprain involves the injury of the anterior talofibular ligament and of the calcaneofibular ligament, and the third degree sprain involves the damaging of anterior and posterior talofibular ligaments, as well as the calcaneofibular ligament. In this paper we have diagnosed a number of 39 first degree springs, 12 of second degree springs and 41 of third degree springs. The standard X- ray examinations have a low diagnostic rate of the ankle ligament injuries. Conventional MRI has a higher accuracy in diagnosing ankle joint collateral ligaments lesions.
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Jenkins, Walter L., Susanne G. Raedeke e D. S. Blaise Williams. "The Relationship Between the Use of Foot Orthoses and Knee Ligament Injury in Female Collegiate Basketball Players". Journal of the American Podiatric Medical Association 98, n.º 3 (1 de maio de 2008): 207–11. http://dx.doi.org/10.7547/0980207.
Background: Anterior cruciate ligament injuries are more prevalent in female athletes than in male athletes. Basketball is a high-risk sport for anterior cruciate ligament injury in female athletes. This study was conducted to observe the effect of a foot orthosis on the knee ligament injury rate in female basketball players at one US university. Methods: One hundred fifty-five players on the women’s basketball team were observed for knee ligament injury from 1992 to 2005. Athletes in the 1992–1993 to 1995–1996 school years (July–June) did not receive a foot orthosis and served as the control group; the treatment group comprised the athletes during the 1996–1997 to 2004–2005 school years (July–June). Athletes in the treatment group received a foot orthosis before participating in basketball. Data analysis included knee ligament injury rates and a comparison of injury rates with an incidence density ratio. Results: Athletes in the control group had three collateral ligament injuries and three anterior cruciate ligament injuries, for an injury rate of 0.50 for both the anterior cruciate ligament and collateral ligaments. Athletes in the treatment group had four collateral ligament injuries and one anterior cruciate ligament injury, for an injury rate of 0.29 for the collateral ligaments and 0.07 for the anterior cruciate ligament. Athletes in the control group were 1.72 times more likely to sustain a collateral ligament injury and 7.14 times more likely to sustain an anterior cruciate ligament injury than the treatment group. Conclusions: Foot orthoses may contribute to a decreased knee ligament injury rate in female collegiate basketball players. (J Am Podiatr Med Assoc 98(3): 207–211, 2008)
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Bridges, Janis, Andrew Worth e Kevin Frame. "Effect of a calcaneo-tibial screw on medial and lateral stability of the canine tarsocrural joint ex vivo". Veterinary and Comparative Orthopaedics and Traumatology 30, n.º 05 (2017): 331–38. http://dx.doi.org/10.3415/vcot-16-12-0160.
SummaryObjective: To evaluate the use of a temporary calcaneo-tibial screw for stabilization of the tarsocrural joint in dogs with surgically treated collateral ligament injury.Methods: The degree of varus and valgus laxity of the tarsocrural joint in various states of injury and stabilization was measured in paired cadaveric limbs of Greyhound dogs. The angle of varus or valgus laxity was calculated following simulated collateral ligament injury (long collateral ligament only, long and short collateral ligaments, and bilateral long and short collateral ligaments) and stabilization with a calcaneo-tibial screw.Results: The joint was significantly more stable after placement of a calcaneo-tibial screw compared to limbs with any combination of injured collateral ligaments. There was not a significant difference between stability of the intact limb compared to the injured limb with calcaneo-tibial screw fixation.Clinical significance: Calcaneo-tibial screw fixation appears to be an adequate method of stabilizing the tarsocrural joint following collateral ligament injury, and warrants clinical evaluation as a less expensive alternative to external skeletal fixation application. It is likely that this method would need to be supplemented with a cranial half cast to prevent screw failure during weight bearing.
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Noguchi, Hideo. "Location and Morphology of Acute Lateral Ligament Injury of the Ankle". Foot & Ankle Orthopaedics 4, n.º 4 (1 de outubro de 2019): 2473011419S0031. http://dx.doi.org/10.1177/2473011419s00316.
Category: Ankle, Sports, Trauma Introduction/Purpose: Acute ankle ligament injuries are usually treated non-operatively, even if the injury is severe. However, when chronic ankle instability is symptomatic, operative treatment is required. When planning local repair, the condition of the remaining ligament is important. We surgically treated acute severe lateral ligament injuries in 103 ankles and investigated the locations of the injuries in the anterior talofibular (ATF) and calcaneofibular (CF) ligaments, subdividing each into three parts. This paper should facilitate more precise planning of the surgical reconstruction procedure. Methods: From 2006 to 2014, 1,042 patients visited our outpatient clinic with a diagnosis of acute lateral ligament injury of the ankle. In total, 103 feet underwent surgical treatment and the locations of the ATF and CF ligament ruptures were investigated. The rupture location in the ATF ligament was subclassified as fibular side, body, or talar side, while for the CF ligament it was classified as fibular side, body, or calcaneal side. Results: The ATF ligament was ruptured on the fibular side in 38 feet (36.9%), body in 30 feet (29.1%), and talar side in 35 feet (34.0%). The CF ligament was ruptured on the fibular side in 15 feet (14.6%), body in 26 feet (25.2%), and calcaneal side in 62 feet (60.2%). Conclusion: Almost all surgical reports on lateral ligament reconstruction procedures (Brostrom et al.) describe ATF ligament repair and advancement on the fibular side, although only one-third of the ligaments were injured on the fibular side in our series. About two-thirds of the CF ligaments had damage to the calcaneal side structure of the entheses. When CF ligament repair is needed, surgeons should be aware of our finding that this ligament was ruptured at the fibular attachment in only 15% of cases, and on the calcaneal side in 60%. This knowledge should lead to better results of surgical reconstruction.
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CONNELL, D. A., J. PIKE, G. KOULOURIS, N. VAN WETTERING e G. HOY. "MR Imaging of Thumb Carpometacarpal Joint Ligament Injuries". Journal of Hand Surgery 29, n.º 1 (fevereiro de 2004): 46–54. http://dx.doi.org/10.1016/s0266-7681(03)00170-0.
This study describes the MR imaging appearances of the supporting ligaments of the thumb carpometacarpal joint in asymptomatic volunteers and in a group of patients following joint injury. Fourteen patients with 11 acute and three chronic injuries underwent MR imaging. The anterior oblique ligament was the most commonly injured ligament, usually on the metacarpal side where it was disrupted, or allowed dislocation because of subperiosted stripping from the base of the thumb metacarpal. The dorsal radial ligament was occasionally avulsed or partially torn from the trapezoid. Following chronic injury, MR imaging can evaluate ligamentous laxity, ganglion cyst formation or osteoarthritis. Accurate evaluation of ligament injury may identify patients who would benefit from surgery.
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Fanelli, David, e Gregory Fanelli. "Multiple Ligament Knee Injuries". Journal of Knee Surgery 31, n.º 05 (13 de março de 2018): 399–409. http://dx.doi.org/10.1055/s-0038-1636910.
AbstractThe posterior cruciate ligament (PCL)-based multiple ligament injury, or dislocated knee, is often part of a multisystem injury complex that not only includes the knee ligaments, but may also include blood vessels, skin, nerves, fractures, and other organ system trauma. These factors must be considered in the scope of treating this complex knee injury. These complex knee ligament injuries can result in significant functional instability for the affected individual. This article will discuss multiple ligament knee injuries evaluation, treatment, and special considerations in the pediatric and adolescent population.
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Tozilli, P. A., e S. P. Arnoczky. "Mechanical Properties of the Lateral Collateral Ligament: Effect of Cruciate Instability in the Rabbit". Journal of Biomechanical Engineering 110, n.º 3 (1 de agosto de 1988): 208–12. http://dx.doi.org/10.1115/1.3108432.
Concomitant soft tissue injury resulting from knee instability following cruciate rupture is a serious clinical problem. To study this injury mechanism, the biomechanical properties of the lateral collateral ligament were measured at 0, 4, 8, 12, and 16 weeks post-operatively in rabbits having the anterior and posterior cruciate ligaments sectioned. No significant changes were found in the ligament’s cross-sectional area, tensile mechanical response, or in its hexosamine content. The predominant mode of ligament failure was by bone avulsion at the insertion sites (78 percent) with 86 percent of paired limbs failing in a similar manner.
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Uys, Hendrik D., e Arie M. Rijke. "Clinical Association of Acute Lateral Ankle Sprain with Syndesmotic Involvement". American Journal of Sports Medicine 30, n.º 6 (novembro de 2002): 816–22. http://dx.doi.org/10.1177/03635465020300061101.
Background Information concerning the clinical association between syndesmosis injury and grade of lateral ankle ligament damage would aid in the diagnosis and treatment of ankle sprains. Hypothesis Evaluation of lateral ligament injury in terms of percentage tear of both the anterior talofibular and calcaneofibular ligaments can provide information on the extent of syndesmotic involvement. Study Design Prospective cohort study. Methods Twenty-five patients volunteered to have magnetic resonance imaging examinations performed and 21 volunteered to undergo graded stress radiographs. Talar tilt angles were measured from radiographs taken with 0, 6, 9, 12, and 15 daN of force applied medially just above the ankle joint, and the percentage of ligament tear and grade of injury were determined. Scans were obtained with the foot in neutral and plantar flexion to image the anterior talofibular and calcaneofibular ligaments. Results Grades of lateral ligament injury determined by magnetic resonance imaging and graded stress radiography were the same. The extent of syndesmotic injury could be assessed for all patients. Conclusions Intact tibiofibular ligaments were found equally frequently among patients with normal or any grade of lateral ligament damage, but the more severe injuries to the syndesmotic ligaments were associated with normal or minimally traumatized lateral ligaments. The inverse correlation can be explained on the basis of the difference between the mechanisms that precipitate these injuries.
Includes abstract. Includes bibliographical references. Genetic variants within genes involved in fibrillogenesis, including a polymorphism in the COL5A1 gene, have previously been associated with anterior cruciate ligament (ACL) injury susceptibility, specifically in females. Proteoglycans have also been implicated in having important functions in fibrillogenesis and maintaining the structural integrity of ligaments. Moreover, their content appears to be lowered in ruptured ACL tissue in comparison to non-ruptured controls. Genes encoding proteoglycans are therefore plausible candidates to be investigated for an association with ACL injury susceptibility.
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Baez, Shelby Elyse. "INJURY-RELATED FEAR IN PATIENTS AFTER ANTERIOR CRUCIATE LIGAMENT RECONSTRUCTION". UKnowledge, 2019. https://uknowledge.uky.edu/rehabsci_etds/53.
Approximately 200,000 anterior cruciate ligament (ACL) injuries occur each year with about 100,000 of these injuries undergoing reconstruction (ACLR). The impetus of ACLR is to allow previously high functioning, physically active individuals to return to desired levels of sports participation and to engage in recommended levels of physical activity. However, 1 out of 3 patients after ACLR fail to return to competitive levels of sport and meet recommended levels of physical activity. Injury-related fear has been cited as the primary barrier for failure to return to sport. However, the research has been primarily qualitative in nature and limited research has quantitatively examined the impact of injury-related fear on return to sport and physical activity engagement in this population.
In addition to quantifying the impact of injury-related fear, no research has examined the underlying neural substrates associated with injury-related fear after ACLR. Previous research has demonstrated that patients after ACLR undergo neuroplasticity in sensorimotor regions of the brain and exhibit changes in neurocognitive functioning. Despite previous research in other musculoskeletal pathologies demonstrating neuroplasticity in emotional regulation centers of the brain, no research has examined these brain regions in patients after ACLR. Furthermore, previous research in healthy athletes has suggested that psychosocial impairments can lead to changes in neurocognitive functioning, including reaction time. Understanding these neural substrates could provide insight into appropriate intervention strategies to decrease injury-related fear, increase return to sport and physical activity engagement, and potentially improve neurocognitive functioning in patients after ACLR.
The purpose of this dissertation was to further investigate the effects of injury-related fear on patients after ACLR and to determine the efficacy of a cognitive behavioral intervention to decrease injury-related fear in this population. The purposes of these studies were to determine whether patient-based, specifically psychological, and functional outcomes were associated with return to sport and physical activity levels in individuals with a history of ACLR, to determine differences in brain activation patterns when exposed to fear-eliciting stimuli in individuals with a history of ACLR compared healthy matched controls, and to determine the efficacy of in vivo exposure therapy on self-reported fear and reaction times in participants post-ACLR.
The results of these studies indicate that injury-related fear was quantitatively associated with return to sport and physical activity engagement in patients after ACLR. Additionally, individuals with a history of ACLR activated emotional regulation centers of the brain in greater depth when compared to healthy matched controls. Lastly, in vivo exposure therapy decreased self-reported injury-related fear for specific functional tasks but did not improve general fear response or reaction time in post-ACLR participants. The results of these studies objectively elucidate the negative impact of injury-related fear in patients with a history of ACLR.
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Grooms, Dustin R. "Neuroplastic and Neuromuscular Effects of Knee Anterior Cruciate Ligament Injury". The Ohio State University, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=osu1437641044.
Anterior cruciate ligament injury leads to increased sagittal tibial translation, and perceptions of instability and low confidence in the knee joint are common. Many patients have remaining problems despite treatment and are forced to lower their activity level and prematurely end their career in sports. The effect of ACL reconstruction and/or rehabilitation on dynamic knee stability is not completely understood. The overall aim of this thesis was to study the dynamic knee stability during and after rehabilitation in individuals with ACL injury. More specific aims were 1) to elaborate an evaluation method for muscle strength, 2) to evaluate the effect of exercises in closed and open kinetic chain, and 3) to evaluate dynamic knee stability in patients with ACL deficiency or ACL reconstruction. Sagittal tibial translation and knee flexion angle were measured using the CA‐4000 computerised goniometer linkage. Muscle activation was registered with electromyography. The intra‐ and inter‐rater reliability of 1 repetition maximum (RM) of seated knee extension was clinically acceptable. The inter‐rater reliability of 1RM of squat was also acceptable, but the intra‐rater reliability was lower. The systematic procedure for the establishment of 1RM that was developed can be recommended for use in the clinic. One specific exercise session including cycling and a maximum number of knee extensions and heel raises did not influence static or dynamic sagittal tibial translation in uninjured individuals. A comprehensive rehabilitation program with isolated quadriceps training in OKC led to significantly greater isokinetic quadriceps strength compared to CKC rehabilitation in patients with ACL deficiency. Hamstring strength, static and dynamic translation, and functional outcome were similar between groups. Five weeks after ACL reconstruction, seated knee extension produced more anterior tibial translation compared to the straight leg raise and standing on one leg. All exercises produced less or equal amount of anterior tibial translation as the 90N Lachman test. Five weeks after the ACL reconstruction the static and dynamic tibial translation in the ACL reconstructed knee did not differ from the tibial translation on the uninjured leg. Patients in the early phase after ACL injury or ACL reconstruction used a joint stiffening strategy including a reduced peak knee extension angle during gait and increased hamstring activation during activity, which reduces the dynamic tibial translation. Patients with ACL deficiency that completed a four months rehabilitation program used a movement pattern that was more close to normal.
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Cervantes, Thomas Michael. "A device for quantitative assessment of thumb Ulnar Collateral Ligament injury". Thesis, Massachusetts Institute of Technology, 2018. http://hdl.handle.net/1721.1/115659.
Thesis: S.M., Massachusetts Institute of Technology, Department of Mechanical Engineering, 2018. Cataloged from PDF version of thesis. Includes bibliographical references (pages 103-105). Injury to the Ulnar Collateral Ligament (UCL) of the thumb, known as "Skier's Thumb," is treated by surgical repair for complete tears, or by splinting for partial tears. Because of this radical difference in treatment options, diagnostic accuracy is critical. The primary mechanism of diagnosis is through a clinical assessment of joint integrity. This method requires a high degree of examiner skill and experience, and is inherently qualitative. Secondary diagnosis through magnetic resonance imaging (MRI) is often required to ensure accurate diagnosis. This additional testing delays the treatment and adds to the cost of care. A method to quantitatively assess the thumb UCL in a clinical setting is desired. This thesis presents the deterministic design of a device to quantitatively measure the stiffness of the thumb UCL. A stepper motor is used to rotate the thumb, while a cantilever load cell is used to measure torque. The device is designed to be operated by the physician, and has alignment features to properly orient the motor axis of rotation. Several safety features were incorporated into the device, including a magnetic breakaway that prevents applied thumb force from exceeding 10 N. The prototype was constructed, and preliminary testing was performed on healthy human subjects. Peak thumb torque was measured at 213.5 ± 19.2 N-mm, and peak stiffness was calculated to be 4.70 ± 0.39 N-mm/degree. Potential pathways for further device testing and improvement are outlined. The Thumb UCL Device has the potential to improve the speed of injury diagnosis and reduce the need for imaging studies. by Thomas Michael Cervantes. S.M.
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Walker, Archibald Brian. "A sports injury clinic : a five year experience". Thesis, University of Glasgow, 1989. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.310348.
McLean, Scott G. "Quantification of in vivo anterior cruciate ligament elongation during sidestep cutting and running : implications for non-contact ligament injury /". [St. Lucia, Qld.], 2000. http://www.library.uq.edu.au/pdfserve.php?image=thesisabs/absthe16167.pdf.
Ayres, Gustavo Garcia Francisco Algéos. "Meniscal injury associated with cranial cruciate ligament rupture in dogs : a retrospective case study". Master's thesis, Universidade de Lisboa, Faculdade de Medicina Veterinária, 2017. http://hdl.handle.net/10400.5/14654.
Dissertação de Mestrado Integrado em Medicina Veterinária Cranial cruciate ligament (CrCL) rupture is the most common orthopaedic disease in dogs and medial meniscal injury is very often associated with this condition. Concurrent meniscal damage can be diagnosed at the time of the stifle stabilization surgery, however, post-surgical meniscal tears can also develop and should be taken into account. This study incorporates a bibliographic review about medial meniscal tears associated with CrCL ruptures and a retrospective study of 22 stifles from 20 different dogs which were diagnosed with CrCL rupture and which meniscal integrity was evaluated. A craniomedial arthrotomy of the stifle was performed in all cases in order to diagnose meniscal damage. Meniscal tears were treated surgically in order to remove all of the damaged tissue and preserve as much healthy meniscal tissue as possible. 10 out of 22 stifles were diagnosed with concurrent meniscal injury during this study (45%). The rate of concurrent meniscal injury of this study is comparable to the previous published ones.
In this retrospective study and bibliographic review it is concluded that meniscal pathology is a very common disease associated with CrCL rupture which should be treated since it causes chronic lameness, progression of osteoarthritis and pain to the patient. RESUMO - LESÕES DE MENISCO ASSOCIADAS À ROTURA DO LIGAMENTO CRUZADO CRANIAL EM CÃES: ESTUDO DE CASOS RETROSPETIVO - A rotura do ligamento cruzado cranial (LCC) é a doença ortopédica mais comum em cães e a lesão do menisco medial é muito comumente associada a esta condição. Danos no menisco podem ser diagnosticadas aquando da cirurgia para estabilização do joelho, no entanto, lesões de menisco pós-cirúrgicas também se podem desenvolver e devem ser tidas em conta. Este estudo incorpora uma revisão bibliográfica sobre lesões de menisco associadas à rotura do LCC e um estudo retrospetivo de 22 joelhos de 20 cães diferentes aos quais foi diagnosticada a rotura do LCC e aos quais a integridade do menisco foi avaliada. Uma artrotomia craniomedial de joelho foi feita em todos os casos para diagnosticar lesões no menisco medial. As lesões identificadas foram tratadas cirurgicamente de modo a remover todo o tecido alterado e preservar tanto quanto possível o tecido saudável. Dos 22 joelhos, 10 foram diagnosticados com lesões de menisco (45%). Este valor pode ser comparável ao reportado por estudos publicados previamente.
Neste estudo retrospetivo e revisão bibliográfica pode ser concluído que as lesões de menisco são uma condição associada à rotura do LCC e que deve ser tratada visto provocar claudicação crónica, dor e progressão da osteoartrite. N/A
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Peck, Louis Raymond. "Dynamic Failure Properties of the Porcine Medial Collateral Ligament: Predicting Human Injury in High Speed Frontal Automotive Collisions". Link to electronic thesis, 2007. http://www.wpi.edu/Pubs/ETD/Available/etd-050207-155719/.
Dines, Joshua S., Christopher L. Camp e David W. Altchek, eds. Elbow Ulnar Collateral Ligament Injury. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-69567-5.
Yeager, Caroline R. Anterior cruciate ligament (ACL): Causes of injury, adverse effects, and treatment options. New York: Nova Science Publishers, 2010.
Yeager, Caroline R. Anterior cruciate ligament (ACL): Causes of injury, adverse effects, and treatment options. New York: Nova Science Publishers, 2010.
Capítulos de livros sobre o assunto "Ligament injury":
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Adamthwaite, Jonathan, Sina Babazadeh e Marc Garcia-Elias. "Scapholunate Ligament Injury". In Sports Injuries of the Hand and Wrist, 201–34. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-02134-4_11.
van den Bekerom, Michel P. J., Rover Krips e Gino M. M. J. Kerkhoffs. "Ankle Ligament Injury". In Evidence-Based Orthopedics, 862–71. Oxford, UK: Wiley-Blackwell, 2011. http://dx.doi.org/10.1002/9781444345100.ch101.
Miller, Mark D., e Matthew T. Burrus. "Acute Lateral and Posterolateral Injury". In Knee Ligament Injuries, 27–38. Milano: Springer Milan, 2014. http://dx.doi.org/10.1007/978-88-470-5513-1_4.
Whelan, Daniel, Iftach Hetsroni, Lars Engebretsen e Robert G. Marx. "Multiple Ligament Injury Management". In ESSKA Instructional Course Lecture Book, 139–49. Berlin, Heidelberg: Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/978-3-642-29446-4_9.
Schreiber, Verena M., Kenneth D. Illingworth, Hector A. Mejia e Freddie H. Fu. "Anterior Cruciate Ligament Injury". In Evidence-Based Orthopedics, 812–21. Oxford, UK: Wiley-Blackwell, 2011. http://dx.doi.org/10.1002/9781444345100.ch95.
Cruz, Lisanne C., e Joseph Herrera. "Ulnar Collateral Ligament Injury". In Musculoskeletal Sports and Spine Disorders, 139–43. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-50512-1_30.
Jain, Rajat K. "Lateral Collateral Ligament Injury". In Common Pediatric Knee Injuries, 225–32. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-55870-3_25.
Trabalhos de conferências sobre o assunto "Ligament injury":
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Ekwueme, Emmanuel C., Yvonne M. Empson e Joseph W. Freeman. "Nanostructure-Enhanced Proliferative Therapy for Ligaments and Tendons". In ASME 2012 Summer Bioengineering Conference. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/sbc2012-80875.
In our general population, sprains and strains account for 5.7 million visits to emergency rooms in the United States each year1. A strain is an injury to the muscle or tendon due to overuse or trauma. A sprain is a damaged or torn ligament resulting from excessive force or motion having been applied to a joint. While a sprain can occur in any joint, the most common joints to be injured are the knees, ankles, and fingers. Not only must the initial injury be managed and considered, but it would also be very beneficial to have a therapy that prevents chronic joint instability. For those who experience an ankle sprain, for example, it is astounding that the majority are likely to suffer a recurrent injury in that joint2. When the injury results in a torn ligament or tendon, either from recurrent injury or serious initial trauma, ligament and tendon surgical replacement or repair are the only current options. It is estimated that between 100,000 and over 250,000 patients have anterior cruciate ligament (ACL) disruptions each year in the United States, with nearly 50,000 of these injuries requiring surgical reconstruction2. Anyone injured with sprains or strains would greatly benefit from a permanent, nonsurgical strengthening of the ligaments or tendons.
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Stemper, Brian D., Narayan Yoganandan e Frank A. Pintar. "Spinal Posture Affects Whiplash Biomechanics". In ASME 2003 International Mechanical Engineering Congress and Exposition. ASMEDC, 2003. http://dx.doi.org/10.1115/imece2003-43012.
The present study implemented the MADYMO 50th percentile male head-neck model to investigate effects of initial spinal posture on cervical spine kinematics in whiplash. The model was altered to three initial postures: lordosis, straight, kyphosis. The three models were exercised under 2.6 m/sec rear impact pulses. Segmental kinematics and ligament strains were investigated during cervical S-curvature and throughout the whiplash event. Anterior longitudinal ligament strains during S-curvature varied from 20 to 47% of maximum strains. Facet joint strains during S-curvature were 42 to 100% of maximum strains. This finding indicates that facet joint ligaments are more susceptible to whiplash injury during S-curvature, while anterior longitudinal ligament injury likely occurs during the extension phase. Kyphosis and straight postures increased anterior longitudinal ligament strains in the upper cervical spine from the lordosis posture. Lower cervical facet joint and anterior longitudinal ligament strains were greater in the lordosis posture. This study shows that spinal posture may affect injury mechanisms and render a specific population more susceptible to whiplash injury.
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Aguilar, Jazmin, e James Yang. "Anterior Cruciate Ligament (ACL) Injury: A Literature Review". In ASME 2017 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/detc2017-67801.
Anterior Cruciate Ligament (ACL) injuries occur often in competitive sports such as soccer, basketball, football, and more. Athletes of all ages are at risk of experiencing this injury due to living highly active lifestyles. ACL injuries account for over $500 million in total medial cost in the United States, with about 150,000 annual occurrences of injury. Much research over this knee injury has been conducted as early as 1850, but confirmation of definite mechanisms of ACL injury have proved to be a difficult endeavor due to conflicting results found from experiments. Solving this problem could lead to implementation of preventative measures to help reduce to number of victims that undergo ACL injuries. The intention of this paper is to review the state-of-the-art of ACL injury research, including possible mechanisms of injury and the experimental methods used to analyze ACL performance.
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Button, Keith D., Mark A. Davison, Jerrod E. Braman, Maureen C. Schaefer e Roger C. Haut. "Effect of Shoe Stiffness on Injury Produced Under External Rotation of the Foot in Human Cadavers". In ASME 2013 Summer Bioengineering Conference. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/sbc2013-14719.
Ankle sprain is a common occurrence in sports, accounting for 10–30% of injuries 9. Injury to the lateral ligamentous complex occurs under excessive foot inversion and is known as a “lateral ankle sprain” 1. Injury to the anterior deltoid ligament (ADL), which consists of the tibionavicular ligament (TiNL) and the anterior tibiotalar ligament (ATiTL), is known as a “medial ankle sprain” 13. High ankle sprains occur in the distal tibiofibular syndesmosis, which is comprised of the anterior and posterior tibiofibular ligaments (ATiFL and PTiFL) and the interosseous ligament (IOL) 2. While approximately 85% of ankle sprains are lateral ankle injuries, syndesmotic (high) and medial injuries typically result in more time off the field. The mechanism of both high and medial ankle sprain is commonly ascribed to excessive internal rotation of the upper body, while the foot is planted on the playing surface.
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Limpisvasti, Orr. "Arthroscopy and Ligament Reconstruction in the Knee". In ASME 2009 4th Frontiers in Biomedical Devices Conference. ASMEDC, 2009. http://dx.doi.org/10.1115/biomed2009-83081.
Ligament injuries in the knee are a common cause of disability in the active population. The advent of arthroscopy and arthroscopic surgical techniques has changed our ability to diagnose and treat these injuries. Arthroscopy has become the gold standard for diagnosis of intra-articular ligament injuries, as well as meniscal and articular cartilage pathology. It combines optimal visualization and the ability to manipulate tissue under anesthesia to best understand the degree of ligament injury and knee instability. Arthroscopy has also evolved into the primary means for the surgical treatment of injuries to intra-articular ligaments, articular cartilage, and meniscus.
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Silvestri, Chiara, Louis R. Peck, Kristen L. Billiar e Malcolm H. Ray. "Validation of a New Finite Element Model for Human Knee Ligaments for Use in High Speed Automotive Collisions". In ASME 2009 Summer Bioengineering Conference. American Society of Mechanical Engineers, 2009. http://dx.doi.org/10.1115/sbc2009-206535.
A finite element model of knee human ligaments was developed and validated to predict the injury potential of occupants in high speed frontal automotive collisions. Dynamic failure properties of ligaments were modeled to facilitate the development of more realistic dynamic representation of the human lower extremities when subjected to a high strain rate. Uniaxial impulsive impact loads were applied to porcine medial collateral ligament-bone complex with strain rates up to145 s−1. From test results, the failure load was found to depend on ligament geometric parameters and on the strain rate applied. The information obtained was then integrated into a finite element model of the knee ligaments with the potential to be used also for representation of ligaments in other regions of the human body. The model was then validated against knee ligament dynamic tolerance tests found in literature. Results obtained from finite element simulations during the validation process agreed with the outcomes reported by literature findings encouraging the use of this ligament model as a powerful and innovative tool to estimate ligament human response in high speed frontal automotive collisions.
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Bhuiyan, Ariful I., Javad Hashemi, Ryan E. Breighner e James R. Slauterbeck. "Influence of Tibial Eminence Size on the ACL Injury". In ASME 2011 International Mechanical Engineering Congress and Exposition. ASMEDC, 2011. http://dx.doi.org/10.1115/imece2011-63555.
The geometry of the tibial plateau as well as the femoral condyles are emerging as key parameters to be studied as anterior cruciate ligament (ACL) injury risk factors. In this paper, we study the role of tibial eminence size as a potentially important characteristic of the tibial plateau in loading and or protecting the ACL from injury. The volume of Tibial eminence in 52 uninjured controls (32 women and 20 men) and 44 anterior cruciate ligament-injured cases (23 women and 21 men) were measured using magnetic resonance images and 3-d image reconstruction using commercial software Analyze 9.0. We hypothesized that the Individuals with a small tibial eminence are at increased risk of suffering an anterior cruciate ligament injury compared with those with larger tibial eminences. Based on t-tests, we established that the uninjured controls had larger tibial eminences (p<0.05) compared with the injured cases. Biomechanically speaking a larger tibial eminence could prevent excessive medio-lateral movement of femur with respect to the tibia. A larger eminence could also protect the knee from large magnitude rotational movements. We suggest that future studies are needed to confirm this relationship and to evaluate the potential role of the tibial eminence size in the risk of ACL injury.
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Bhuiyan, Ariful I., Javad Hashemi e James R. Slauterbeck. "Does the Curved Nature of the Tibia Influence the Non-Contact ACL Injury?" In ASME 2012 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/imece2012-89422.
The geometry of the tibial plateau and the femoral condyles are emerging as key parameters to be studied as anterior cruciate ligament (ACL) injury risk factors. In this paper, we study the role of curved profile of the medial compartment of the tibia in a sagittal plane as a critical risk factor for the anterior cruciate ligament (ACL) injuries. The curvature of the mid-medial compartment of Tibia in 40 uninjured controls (21 women and 19 men) and 44 anterior cruciate ligament-injured cases (23 women and 21 men) were measured using magnetic resonance images and in-house matlab programming. We hypothesized that the Individuals with a less curved profile in the medial compartment of the tibia are at increased risk of suffering an anterior cruciate ligament injury compared to those with larger curved profiles. Based on t-tests, we established that the uninjured controls had larger curvature (p<0.05) compared to the injured cases. Biomechanically speaking a larger curvature of the tibia could prevent excessive sliding movement of femur with respect to the tibia, and thus could reduce the ACL strain. We suggest that future studies are needed to confirm this relationship and to evaluate the potential role of this curved profile of tibia in the risk of ACL injury.
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Taskova, V., Stoyan Rusev e Dimitar Ganchev. "INJURY ASSESSMENT OF ANTERIOR TALOFIBULAR LIGAMENT IN KARATE ATHLETES". In INTERNATIONAL SCIENTIFIC CONGRESS “APPLIED SPORTS SCIENCES”. National Sports Academy "Vassil Levski", 2017. http://dx.doi.org/10.37393/icass2017/98.
Jamil Rustiasari, Ukhti, e Muhammad Ikhwan Zein. "Stem Cell Therapy in Anterior Cruciate Ligament (ACL) injury". In Proceedings of the 2nd Yogyakarta International Seminar on Health, Physical Education, and Sport Science (YISHPESS 2018) and 1st Conference on Interdisciplinary Approach in Sports (CoIS 2018). Paris, France: Atlantis Press, 2018. http://dx.doi.org/10.2991/yishpess-cois-18.2018.150.
Relatórios de organizações sobre o assunto "Ligament injury":
1
Yamamoto, Sota, Akinori Saito, Akinori Ishikawa, Koji Mizuno e Eiichi Tanaka. Effects of Loading Direction on Antierior Cruciate Ligament Injury. Warrendale, PA: SAE International, maio de 2005. http://dx.doi.org/10.4271/2005-08-0067.
Wu, Chao. Efficacy of repair and reconstruction therapy for the treatment of lateral ankle ligament injury: A protocol of systematic review and meta-analysis. INPLASY - International Platform of Registered Systematic Review Protocols, abril de 2020. http://dx.doi.org/10.37766/inplasy2020.4.0082.
