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https://www.readbyqxmd.com/read/29735264/joint-moments-and-contact-forces-in-the-foot-during-walking
#1
Yongcheol Kim, Kyoung Min Lee, Seungbum Koo
The net force and moment of a joint have been widely used to understand joint disease in the foot. Meanwhile, it does not reflect the physiological forces on muscles and contact surfaces. The objective of the study is to estimate active moments by muscles, passive moments by connective tissues and joint contact forces in the foot joints during walking. Joint kinematics and external forces of ten healthy subjects (all males, 24.7 ± 1.2 years) were acquired during walking. The data were entered into the five-segment musculoskeletal foot model to calculate muscle forces and joint contact forces of the foot joints using an inverse dynamics-based optimization...
April 26, 2018: Journal of Biomechanics
https://www.readbyqxmd.com/read/29708569/performance-based-outcomes-following-lisfranc-injury-among-professional-american-football-and-rugby-athletes
#2
Sameer K Singh, Andrew George, Anish R Kadakia, Wellington K Hsu
Professional National Football League (NFL) and rugby athletes have high rates of Lisfranc injuries. Although favorable return-to-play rates have been previously reported, a thorough assessment of postinjury performance is lacking. Professional NFL and rugby athletes who sustained a Lisfranc injury were identified using a well-established protocol confirmed by multiple sources of the public record. Return-to-play rate and time to return were determined for each athlete. League participation and game performance were collected 1 season prior to injury and up to 3 seasons after injury...
April 27, 2018: Orthopedics
https://www.readbyqxmd.com/read/29706246/cross-sectional-area-measurement-of-the-central-tarsometatarsal-articulation-a-review-of-computed-tomography-scans
#3
John Randolph Clements, Kelley Whitmer, Hoa Nguyen, Matthew Rich
Currently, disagreement exists regarding the superior method for repairing a ligamentous Lisfranc injury regarding whether to use arthrodesis or open reduction internal fixation. The 2 procedures differ in the amount of articular cartilage destroyed. Arthrodesis removes all the articular cartilage, and open reduction internal fixation places transarticular screws, essentially destroying a portion of cartilage. We performed a review of 30 consecutive computed tomography scans that included both foot length and undamaged first, second, and third tarsometatarsal joints to quantify the amount of articular surface area destroyed by placement of standardized 4-mm diameter screws...
April 26, 2018: Journal of Foot and Ankle Surgery: Official Publication of the American College of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/29655650/surgical-treatment-of-lisfranc-injury-with-plantar-plate-approach
#4
Deepal Dalal, Christian Curry, Ryan Carter, Colin Zdenek, Nicholas W Todd, Shannon M Rush, Richard Jensen
Midfoot injuries are the second most common athletic foot injury documented in the published data. High-energy Lisfranc dislocations are commonly seen secondary to traumatic etiologies and disrupt the strong midfoot ligaments supporting the arch. These injuries require immediate surgical intervention to prevent serious complications such as compartment syndrome and amputation. The present case series reports a new Lapidus plate system used in 3 patients who underwent arthrodesis procedures for Lisfranc joint dislocation...
April 11, 2018: Journal of Foot and Ankle Surgery: Official Publication of the American College of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/29629578/dorsal-bridge-plating-or-transarticular-screws-for-lisfranc-fracture-dislocations
#5
COMPARATIVE STUDY
N Kirzner, P Zotov, D Goldbloom, H Curry, H Bedi
Aims The aim of this retrospective study was to compare the functional and radiological outcomes of bridge plating, screw fixation, and a combination of both methods for the treatment of Lisfranc fracture dislocations. Patients and Methods A total of 108 patients were treated for a Lisfranc fracture dislocation over a period of nine years. Of these, 38 underwent transarticular screw fixation, 45 dorsal bridge plating, and 25 a combination technique. Injuries were assessed preoperatively according to the Myerson classification system...
April 1, 2018: Bone & Joint Journal
https://www.readbyqxmd.com/read/29620974/lisfranc-injuries-assessment-diagnosis-and-management
#6
Sivan Sivaloganathan, Saman Horriat, Alex Trompeter
No abstract text is available yet for this article.
April 2, 2018: British Journal of Hospital Medicine
https://www.readbyqxmd.com/read/29606024/return-to-sports-and-physical-activities-after-open-reduction-and-internal-fixation-of-lisfranc-injuries-in-recreational-athletes
#7
Allan David Mora, Mark Kao, Terrence Alfred, Gregory Shein, Jeff Ling, David Lunz
BACKGROUND: The purpose of this study was to assess participation in sport and physical activity following open reduction and internal fixation of a Lisfranc injury in a cohort of recreational athletes. METHODS: This study identified all adult patients aged 55 years or younger who presented with a Lisfranc injury and underwent open reduction and internal fixation (ORIF) using a Lisfranc screw combined with bridge plating technique. Sports and physical activity participation was assessed with a new sports-specific, patient-administered questionnaire...
March 1, 2018: Foot & Ankle International
https://www.readbyqxmd.com/read/29575922/evaluation-of-the-area-of-the-lisfranc-ligament-damaged-by-screw-fixation
#8
Isaac Fernandez, William M Weiss, Vinod K Panchbhavi
BACKGROUND: A cannulated screw is currently the standard fixation method to reduce and stabilize diastasis at the lisfranc joint following injury. Currently, there is no literature examining the area of the lisfranc ligament damaged by screw placement. The objective of this investigation is to define the area of the ligament damaged by fixation with a 3.5-mm cannulated screw. MATERIALS AND METHODS: Twelve cadaveric feet were dissected to identify the Lisfranc ligament metatarsal insertion site and origin on the medial cuneiform...
March 1, 2018: Foot & Ankle Specialist
https://www.readbyqxmd.com/read/29451936/subtle-lisfranc-injuries-a-topical-review-and-modification-of-the-classification-system
#9
Brahman S Sivakumar, Vincent V G An, Colby Oitment, Mark Myerson
Lisfranc injuries are relatively uncommon. No specific incidence of subtle injuries has been reported; however, almost one-third are missed on initial review. These missed injuries are a common cause of litigation. Although seen in high-energy injuries with direct application of forces, they are also associated with lower-energy indirect mechanisms, often on the athletic field. This article provides a topical review of subtle Lisfranc disruptions, focusing on contemporary perspectives, and describes a modification to the most prevalent classification system...
March 1, 2018: Orthopedics
https://www.readbyqxmd.com/read/29409269/gait-analysis-and-functional-outcome-in-patients-after-lisfranc-injury-treatment
#10
S van Hoeve, G Stollenwerck, P Willems, M A Witlox, K Meijer, M Poeze
INTRODUCTION: Lisfranc injuries involve any bony or ligamentous disruption of the tarsometatarsal joint. Outcome results after treatment are mainly evaluated using patient-reported outcome measures (PROM), physical examination and radiographic findings. Less is known about the kinematics during gait. METHODS: Nineteen patients (19 feet) treated for Lisfranc injury were recruited. Patients with conservative treatment and surgical treatment consisting of open reduction and internal fixation (ORIF) or primary arthrodesis were included...
July 18, 2017: Foot and Ankle Surgery: Official Journal of the European Society of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/29409256/biomechanical-comparison-of-fixation-stability-using-a-lisfranc-plate-versus-transarticular-screws
#11
Nathan C Ho, Sophia N Sangiorgio, Spenser Cassinelli, Stephen Shymon, John Fleming, Virat Agrawal, Edward Ebramzadeh, Thomas G Harris
BACKGROUND: To obtain adequate fixation in treating Lisfranc soft tissue injuries, the joint is commonly stabilized using multiple transarticular screws; however iatrogenic injury is a concern. Alternatively, two parallel, longitudinally placed plates, can be used to stabilize the 1st and 2nd tarsometatarsal joints; however this may not provide adequate stability along the Lisfranc ligament. Several biomechanical studies have compared earlier methods of fixation using plates to the standard transarticular screw fixation method, highlighting the potential issue of transverse stability using plates...
August 23, 2017: Foot and Ankle Surgery: Official Journal of the European Society of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/29409191/evaluation-of-peritalar-subluxation-in-adult-acquired-flatfoot-deformity-using-computed-tomography-and-weightbearing-multiplanar-imaging
#12
Grace C Kunas, William Probasco, Amgad M Haleem, Jayme C Burket, Emilie R C Williamson, Scott J Ellis
BACKGROUND: The aim of this study was to assess the inferior talus-superior talus (inf-tal-sup-tal) angle (previously proven reliable in multiplanar-weight bearing imaging (MP-WB)) on both computed tomography (CT) and MP-WB scans. We sought to compare the angle between the two modalities in both AAFD and control groups, as well as to compare the groups to each other. METHODS: Inf-tal-sup-tal angles were compared between a stage II AAFD group (n=38) with routine MP-WB and CT scans and a control group (n=20) with preoperative CT scans for lisfranc injuries and normal hindfoot alignment after healing...
June 12, 2017: Foot and Ankle Surgery: Official Journal of the European Society of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/29381520/midterm-functional-outcomes-in-operatively-treated-adolescent-lisfranc-injuries
#13
Xunqi Cheow, Kai Yet Lam
This study evaluates the midterm outcomes of Lisfranc injuries in adolescents operatively treated with Kirschner wire or screw fixation. Eight adolescent patients with Lisfranc injuries operatively treated in a single institution were included in this study. The mean duration of follow-up was 3.8 years. Analysis of radiographs with respect to the degree of initial displacement and final reduction was carried out in terms of the intermetatarsal distances. All cases were scored functionally using the American Orthopaedic Foot and Ankle Society Midfoot Scale...
February 20, 2018: Journal of Pediatric Orthopedics. Part B
https://www.readbyqxmd.com/read/29381043/foot-and-ankle-conditions-midfoot-and-forefoot-conditions
#14
Katherine M Edenfield, Charlie Michaudet, Guy W Nicolette, Peter J Carek
The midfoot and forefoot are the regions of the foot distal to the talus and calcaneus and are critical to weight bearing and movement. They help support the arch of the foot, provide shock absorption, and convert vertically oriented forces into horizontal forward and propulsive movement. A spectrum of acute, subacute, and chronic conditions in these regions can cause pain and decreased function. A thorough history and physical examination should include foot and leg biomechanics, alignment, and posture in addition to palpation of painful areas...
February 2018: FP Essentials
https://www.readbyqxmd.com/read/29354464/arthroscopic-arthrodesis-of-the-lesser-ray-tarsometatarsal-joints-2-portal-technique
#15
Tun Hing Lui
Tarsometatarsal (Lisfranc) destruction of the tarsometatarsal articulation of the lesser rays is most commonly due to midfoot Charcot neuroarthropathy. Tarsometatarsal arthrodesis is indicated when conservative management cannot relieve the symptoms. The purpose of this Technical Note is to describe a minimally invasive approach of arthroscopic arthrodesis of the destructed lesser ray tarsometatarsal joints. The arthroscopic procedure is performed through the lateral and P1-2 Lisfranc portals. It has the advantages of better cosmesis, less wound complication, less bone resection, and more thorough joint debridement...
October 2017: Arthroscopy Techniques
https://www.readbyqxmd.com/read/29347832/wire-placement-in-the-sustentaculum-tali-using-a-2d-projection-based-software-application-for-mobile-c-arms-cadaveric-study
#16
Benedict Swartman, Dirk Frere, Wei Wei, Marc Schnetzke, Stephan Grechenig, Amir Matityahu, Nils Beisemann, Holger Keil, Jochen Franke, Paul Alfred Grützner, Sven Yves Vetter
BACKGROUND: Indirect screw fixation of the sustentaculum tali in the lateral-medial direction can be challenging due to the complex calcaneal anatomy. A novel 2-dimensional (2D) projection-based software application detects Kirschner wires (K-wires) and visualizes their intended direction as a colored trajectory. The aim of this prospectively randomized cadaver study was to investigate whether the software would facilitate the indirect K-wire placement in the sustentaculum tali. METHODS: In 20 cadaver foot specimens, K-wires were placed indirectly in the sustentaculum tali by an experienced and an inexperienced surgeon, with and without using the application...
April 2018: Foot & Ankle International
https://www.readbyqxmd.com/read/29327128/isolated-avulsion-fracture-of-the-first-metatarsal-base-at-the-peroneus-longus-tendon-attachment-a-case-report
#17
Maxwell W Weinberg, Nicola Krähenbühl, Nathan P Davidson, Christopher J Hanrahan, Alexej Barg
Avulsion fractures of the first metatarsal (MT1) base at the peroneus longus (PL) tendon attachment are rare and may be undiagnosed during an emergency visit. If the injury is not treated properly, chronic pain or persistent impairment for inversion and plantar-flexion of the first ray may occur. This case report presents a 30-year-old woman who presented 10 weeks post trauma to a foot and ankle surgeon due to a swollen right midfoot with diffuse tenderness over the medial Lisfranc joint. Further evaluation showed an isolated avulsion fracture of the first metatarsal, which was undiagnosed during the emergent visit following the accident...
January 11, 2018: Skeletal Radiology
https://www.readbyqxmd.com/read/29320935/modified-dorsal-approach-in-the-management-of-lisfranc-injuries
#18
Andrew Philpott, Callum Lawford, Simon C Lau, Simon Chambers, Michael Bozin, Andrew Oppy
BACKGROUND: Open reduction and internal fixation of Lisfranc injuries has typically used multiple longitudinal incisions or a single transverse incision to approach the tarso-metatarsal joint (TMTJ). The incidence of wound-related complications is considerable. We describe a novel single-incision approach that utilizes subcutaneous windows to the medial TMTJ. METHODS: A retrospective review identified 150 patients who underwent open reduction and internal fixation for Lisfranc injuries, via the modified dorsal approach, at our center between January 2011 and June 2016...
May 2018: Foot & Ankle International
https://www.readbyqxmd.com/read/29309714/biomechanical-comparison-of-fully-threaded-solid-cortical-versus-partially-threaded-cannulated-cancellous-screw-fixation-for-lisfranc-injuries
#19
Joshua C Rozell, Matthew Chin, Derek J Donegan, Michael W Hast
There currently exists an array of operative strategies to manage Lisfranc injuries. Modular fixation systems present surgeons with a choice between fully threaded solid cortical (FSC) and partially threaded cannulated cancellous (PCC) bone screws when using a transarticular screw approach. It is currently unknown how screw design influences fixation strength in Lisfranc reconstructions. The purpose of this study was to evaluate the biomechanical differences of FSC and PCC screws using a cadaveric model of a simulated Lisfranc injury and controlled benchtop experiments...
March 1, 2018: Orthopedics
https://www.readbyqxmd.com/read/29275036/cost-effectiveness-analysis-of-primary-arthrodesis-versus-open-reduction-internal-fixation-for-primarily-ligamentous-lisfranc-injuries
#20
Rachel H Albright, Sarah Haller, Erin Klein, Jeffrey R Baker, Lowell Weil, Lowell S Weil, Adam E Fleischer
The purpose of the present study was to determine whether surgical intervention with open reduction internal fixation (ORIF) or primary arthrodesis (PA) for Lisfranc injuries is more cost effective. We conducted a formal cost-effectiveness analysis using a Markov model and decision tree to explore the healthcare costs and health outcomes associated with a scenario of ORIF versus PA for 45 years postoperatively. The outcomes assessed included long-term costs, quality-adjusted life-years (QALYs), and incremental cost per QALY gained...
March 2018: Journal of Foot and Ankle Surgery: Official Publication of the American College of Foot and Ankle Surgeons
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