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Achille injury

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https://www.readbyqxmd.com/read/27916375/the-role-of-the-adaptive-immune-system-in-burn-induced-heterotopic-ossification-and-mesenchymal-cell-osteogenic-differentiation
#1
Kavitha Ranganathan, Shailesh Agarwal, David Cholok, Shawn Loder, Jonathan Li, Hsiao Hsin Sung Hsieh, Stewart C Wang, Steven R Buchman, Benjamin Levi
BACKGROUND: Heterotopic ossification (HO) is the pathologic process of extraskeletal bone formation. Although the exact etiology remains unknown, inflammation appears to catalyze disease progression. The goal of this study is to determine the impact of the adaptive immune system on HO. METHODS: HO was induced in 8-wk-old control C57BL/6 and immunocompromised Rag1tm1Mom (Rag1 KO) male mice deficient in B- and T-lymphocytes via combined Achilles tenotomy and burn injury...
November 2016: Journal of Surgical Research
https://www.readbyqxmd.com/read/27909125/ageing-deep-vein-thrombosis-and-male-gender-predict-poor-outcome-after-acute-achilles-tendon-rupture
#2
E Domeij- Arverud, P Anundsson, E Hardell, G Barreng, G Edman, A Latifi, F Labruto, P W Ackermann
AIMS: Patients with an acute Achilles tendon rupture (ATR) take a long time to heal, have a high incidence of deep vein thrombosis (DVT) and widely variable functional outcomes. This variation in outcome may be explained by a lack of knowledge of adverse factors, and a subsequent shortage of appropriate interventions. PATIENTS AND METHODS: A total of 111 patients (95 men, 16 women; mean age 40.3, standard deviation 8.4) with an acute total ATR were prospectively assessed...
December 2016: Bone & Joint Journal
https://www.readbyqxmd.com/read/27894329/efficacy-of-early-controlled-motion-of-the-ankle-compared-with-no-motion-after-non-operative-treatment-of-an-acute-achilles-tendon-rupture-study-protocol-for-a-randomized-controlled-trial
#3
Kristoffer Weisskirchner Barfod, Maria Swennergren Hansen, Per Holmich, Anders Troelsen, Morten Tange Kristensen
BACKGROUND: Early controlled ankle motion is widely used in the non-operative treatment of acute Achilles tendon rupture, though its safety and efficacy have never been investigated in a randomized setup. The objectives of this study are to investigate if early controlled motion of the ankle affects functional and patient-reported outcomes. METHODS/DESIGN: The study is performed as a blinded, randomized, controlled trial with patients allocated in a 1:1 ratio to one of two parallel groups...
November 29, 2016: Trials
https://www.readbyqxmd.com/read/27885357/achilles-tendinopathy-current-concepts-about-the-basic-science-and-clinical-treatments
#4
REVIEW
Hong-Yun Li, Ying-Hui Hua
Achilles tendinopathy is one of the most frequently ankle and foot overuse injuries, which is a clinical syndrome characterized by the combination of pain, swelling, and impaired performance. The two main categories of Achilles tendinopathy are classified according to anatomical location and broadly include insertional and noninsertional tendinopathy. The etiology of Achilles tendinopathy is multifactorial including both intrinsic and extrinsic factors. Failed healing response and degenerative changes were found in the tendon...
2016: BioMed Research International
https://www.readbyqxmd.com/read/27881830/repair-of-chronic-achilles-ruptures-has-a-high-incidence-of-venous-thromboembolism
#5
Mark J Bullock, William T DeCarbo, Mark H Hofbauer, Joshua D Thun
: Background Despite the low incidence of deep vein thrombosis (DVT) in foot and ankle surgery, some authors report a high incidence of symptomatic DVT following Achilles tendon rupture. The purpose of this study was to identify DVT risk factors inherent to Achilles tendon repair to determine which patients may benefit from prophylaxis. Methods One hundred and thirteen patient charts were reviewed following elective and nonelective Achilles tendon repair. For elective repair of insertional or noninsertional Achilles tendinopathy, parameters examined included lateral versus prone positioning and the presence versus absence of a flexor hallucis longus transfer...
November 23, 2016: Foot & Ankle Specialist
https://www.readbyqxmd.com/read/27881176/no-midterm-advantages-in-the-middle-term-using-small-intestinal-submucosa-and-human-amniotic-membrane-in-achilles-tendon-transverse-tenotomy
#6
Yushu Liu, Yinbo Peng, Yong Fang, Min Yao, Robert W Redmond, Tao Ni
BACKGROUND: The study was aimed to compare the effects of small intestinal submucosa (SIS) and human amniotic membrane (HAM) on Achilles tendon healing. METHODS: A total of 48 New Zealand white rabbits were divided into two groups. A full-thickness transverse tenotomy was made at the right leg of the rabbits. Then, the laceration site was wrapped with HAM (P/A group) or SIS (P/S group). The ultimate stress (US) and Young's modulus (E) of the tendons were detected for biomechanical analysis...
November 24, 2016: Journal of Orthopaedic Surgery and Research
https://www.readbyqxmd.com/read/27855536/comparison-of-estimates-of-achilles-tendon-loading-from-inverse-dynamics-and-inverse-dynamics-based-static-optimisation-during-running
#7
Thomas Kernozek, Naghmeh Gheidi, Robert Ragan
Tendon stress may be one of the important risk factors for running-related tendon injury. Several methods have been used to estimate Achilles tendon (AT) loading during a human performance such as inverse dynamics (ID) and inverse dynamics-based static optimisation (IDSO). Our purpose was to examine differences between ID and IDSO estimates of AT loading during running. Kinematic data were captured simultaneously with kinetic data. Imaging of the AT cross-sectional area was performed with ultrasound for 17 healthy runners (height: 170...
November 18, 2016: Journal of Sports Sciences
https://www.readbyqxmd.com/read/27837039/low-risk-for-local-and-systemic-complications-after-primary-repair-of-1626-achilles-tendon-ruptures
#8
Nicholas Rensing, Brian R Waterman, Rachel M Frank, Kenneth A Heida, Justin D Orr
INTRODUCTION: Historically, Achilles tendon repairs and other surgeries about the hindfoot have demonstrated a significantly higher rate of wound healing complications and surgical site morbidity. The purpose of this study was to evaluate the comprehensive complication profile and risk factors for adverse short-term, clinical outcomes after primary repair of Achilles tendon ruptures. METHODS: Between the years 2005 and 2014, all cases of primary Achilles tendon repair (Current Procedural Terminology code 27650) entered into the National Surgical Quality Improvement Project (NSQIP) database were extracted for analysis...
November 10, 2016: Foot & Ankle Specialist
https://www.readbyqxmd.com/read/27810024/non-surgical-treatment-of-achilles-rupture-does-duration-in-functional-weight-bearing-orthosis-matter
#9
Randeep Aujla, Amit Kumar, Maneesh Bhatia
BACKGROUND: The treatment of acute Achilles tendon ruptures is continually being debated. The success of non-surgical regimes is now evident yet there remains a high rate of surgery in the United States of America and Scandinavia. Recent studies have investigated functional outcome rather than complication rates as primary outcome but the current data are still sparse. We aimed to investigate whether there is any difference in functional outcomes between two dynamic regimes of differing durations for acute Achilles tendon ruptures...
December 2016: Foot and Ankle Surgery: Official Journal of the European Society of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/27807718/clinical-series-of-three-hundred-and-twenty-two-cases-of-achilles-tendon-section-with-laceration
#10
Abduljabbar Alhammoud, Mahmood Ali Arbash, Faisal Miras, Muhammad Nader Said, Ghalib Ahmed, Mohammed Al Ateeg Al Dosari
PURPOSE: We aim to report the epidemiology of open Achilles tendon lacerations to determine the incidence of associated complications and identify the factors contributing to the development of the infection after repair and to propose a treatment protocol for this rare injury. METHODS: Retrospective review of the medical charts of patients with open Achilles tendon injury operated and followed up at the orthopedic department at Hamad Medical Corporation, Doha, Qatar, from 2010 to 2015...
November 2, 2016: International Orthopaedics
https://www.readbyqxmd.com/read/27781212/acute-ultrasonography-investigation-to-predict-reruptures-and-outcomes-in-patients-with-an-achilles-tendon-rupture
#11
Olof Westin, Katarina Nilsson Helander, Karin Grävare Silbernagel, Michael Möller, Peter Kälebo, Jón Karlsson
BACKGROUND: The optimal treatment for acute Achilles tendon ruptures is still an ongoing debate. Acute ultrasonography (US) investigation to measure the diastasis between the tendon ends has previously been used to classify acute Achilles tendon ruptures; however, no study has used US to predict reruptures and functional outcomes. PURPOSE: To investigate whether acute US can be used to predict the risk of reruptures and outcomes after treatment of an acute Achilles tendon rupture...
October 2016: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/27773361/structured-white-light-scanning-of-rabbit-achilles-tendon
#12
Alex Hayes, Katrina Easton, Pavan Teja Devanaboyina, Jian-Ping Wu, Thomas Brett Kirk, David Lloyd
BACKGROUND: The cross-sectional area (CSA) of a material is used to calculate stress under load. The mechanical behaviour of soft tissue is of clinical interest in the management of injury; however, measuring CSA of soft tissue is challenging as samples are geometrically irregular and may deform during measurement. This study presents a simple method, using structured light scanning (SLS), to acquire a 3D model of rabbit Achilles tendon in vitro for measuring CSA of a tendon. METHOD: The Artec Spider™ 3D scanner uses structured light and stereophotogrammetry technologies to acquire shape data and reconstruct a 3D model of an object...
October 6, 2016: Journal of Biomechanics
https://www.readbyqxmd.com/read/27768508/asynchronous-alterations-of-muscle-force-and-tendon-stiffness-following-8-week-resistance-exercise-with-whole-body-vibration-in-older-women
#13
Seong-Won Han, Dae-Yeon Lee, Dong-Sung Choi, Boram Han, Jin-Sun Kim, Hae-Dong Lee
This study aimed to examine whether muscle force and tendon stiffness in a muscle -tendon complex alter synchronously following 8-week whole-body vibration (WBV) training in older people. Forty older women aged 65 years and older, were randomly assigned into Control (CON, n=15) and WBV training groups (Exposure Time (ET, n=13) and Vibration Intensity (VI, n=12)). For the training groups, 4-week detraining period was subjected following the training period. Throughout the training/detraining period, force of the medial gastrocnemius (MG) muscle and stiffness of the Achilles tendon were assessed 4 times (0, 4, 8, and 12-week) using a combined system of dynamometer and ultrasonography...
October 21, 2016: Journal of Aging and Physical Activity
https://www.readbyqxmd.com/read/27763655/periodontal-ligament-cells-as-alternative-source-for-cell-based-therapy-of-tendon-injuries-in-vivo-study-of-full-size-achilles-tendon-defect-in-a-rat-model
#14
C-F Hsieh, P Alberton, E Loffredo-Verde, E Volkmer, M Pietschmann, P E Müller, M Schieker, D Docheva
Tendon's natural healing potential is extremely low and inefficient, with significant dysfunction and disability due to hypocellularity and hypovascularity of tendon tissues. The application of stem cells can aid in significantly enhanced repair of tendon rupture; therefore, the main aim of this study is to assess the potential of using periodontal ligament cells (PDL), usually obtained from patients undergoing orthodontic treatment, as a novel cell source for cell-based therapy for tendon injuries in a clinically relevant rat full-size Achilles tendon defect...
October 20, 2016: European Cells & Materials
https://www.readbyqxmd.com/read/27760023/ultrasonography-and-low-field-magnetic-resonance-imaging-of-the-common-calcanean-tendon-in-a-rabbit-model-for-tendinopathy-research-a-descriptive-study-of-normal-anatomy
#15
A Skalec, P Przyborowska-Zhalniarovich, I Janus, K Kirstein, M Mieszkowska, Z Adamiak, A Chrószcz, M Janeczek
In spite of recent advances in treatment protocols, tendinopathies continue to challenge orthopaedists and surgeons. Due to the complexity of both tendon injuries and the healing processes, animal models are essential for addressing fundamental questions in tendinopathy research. Diagnostic imaging could contribute to the evaluation of animal models, thus providing information, which could be translated to human tendinopathies. The objective of our study was to evaluate in situ appearance of the rabbit common calcanean tendon with ultrasonography and magnetic resonance imaging...
September 1, 2016: Polish Journal of Veterinary Sciences
https://www.readbyqxmd.com/read/27757281/a-delphi-study-of-risk-factors-for-achilles-tendinopathy-opinions-of-world-tendon-experts
#16
Seth O'Neill, Paul J Watson, Simon Barry
BACKGROUND AND PURPOSE: Achilles tendinopathy can be a debilitating chronic condition for both active and inactive individuals. The identification of risk facors is important both in preventing but also treating tendinopathy, many factors have been proposed but there is a lack of primary epidemiological data. The purpose of this study was to develop a statement of expert consensus on risk factors for Achilles tendinopathy in active and sedentary patient populations to inform a primary epidemiological study...
October 2016: International Journal of Sports Physical Therapy
https://www.readbyqxmd.com/read/27755283/hip-biomechanics-are-altered-in-male-runners-with-achilles-tendinopathy
#17
Mark W Creaby, Conor Honeywill, Melinda M Franettovich Smith, Anthony G Schache, Kay M Crossley
PURPOSE: Achilles tendinopathy (AT) is a prevalent injury in running sports. Understanding the biomechanical factors associated with AT will assist in its management and prevention. The purpose of this study was to compare hip and ankle kinematics and kinetics in runners with and without AT. METHODS: Fourteen male runners with AT and eleven healthy male runners (CTRL) ran over-ground whilst lower-limb joint motion and ground reaction force data were synchronously captured...
October 17, 2016: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/27746496/reconstruction-of-kuwada-grade-iv-chronic-achilles-tendon-rupture-by-minimally-invasive-technique
#18
Xudong Miao, Yongping Wu, Huimin Tao, Disheng Yang, Lu Huang
BACKGROUND: Transfer of a flexor hallucis longus (FHL) tendon can not only reconstruct the Achilles tendon but also provide ischemic tendinous tissues with a rich blood supply to enhance wound healing. This retrospective study aims to investigate clinical outcomes in patients who underwent repair of Kuwada grade IV chronic Achilles tendon rupture with long hallucis longus tendons harvested using a minimally invasive technique. MATERIALS AND METHODS: 35 patients who were treated for Kuwada grade IV Achilles tendon injuries from July 2006 to June 2011 were included in this retrospective study...
September 2016: Indian Journal of Orthopaedics
https://www.readbyqxmd.com/read/27744040/time-to-explore-transcatheter-aortic%C3%A2-valve%C3%A2-replacement-in-younger-%C3%A2-low-risk-patients
#19
REVIEW
Lars Sondergaard
During the last decade transcatheter aortic valve replacement (TAVR) has been established as a treatment for patients with severe aortic stenosis, who are at particularly high surgical risk. As compared with surgical aortic valve replacement (SAVR), TAVR has been associated with lower early risk of mortality, atrial fibrillation, acute kidney injury, and bleeding. Furthermore, device and periprocedural improvements have addressed most of the initial limitations for TAVR, including the Achilles' heel, paravalvular leakage...
November 14, 2016: JACC. Cardiovascular Interventions
https://www.readbyqxmd.com/read/27737281/foot-and-ankle-injuries-in-american-football
#20
Andrew R Hsu, Robert B Anderson
Physicians need to be aware of a variety of foot and ankle injuries that commonly occur in American football, including turf toe, Jones fractures, Lisfranc injuries, syndesmotic and deltoid disruption, and Achilles ruptures. These injuries are often complex and require early individual tailoring of treatment and rehabilitation protocols. Successful management and return to play requires early diagnosis, a thorough work-up, and prompt surgical intervention when warranted with meticulous attention to restoration of normal foot and ankle anatomy...
September 2016: American Journal of Orthopedics
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