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Achilles tendonitis

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https://www.readbyqxmd.com/read/27909664/arthroscopic-assisted-lower-trapezius-tendon-transfer-for-massive-irreparable-posterior-superior-rotator-cuff-tears-surgical-technique
#1
Bassem T Elhassan, Eduard Alentorn-Geli, Andrew T Assenmacher, Eric R Wagner
Tendon transfer options to reconstruct a massive irreparable posterior-superior rotator cuff tear include latissimus dorsi, teres major, or lower trapezius transfer. We previously described the lower trapezius transfer using a 2-incision approach, which includes a medial incision to harvest the lower trapezius and lateral transacromial incision to expose the rotator cuff and then perform the transfer through a deep tunnel connecting these 2 sites. In this report, we describe an arthroscopic-assisted technique of lower trapezius transfer augmented with an Achilles tendon allograft to reconstruct an irreparable posterior-superior rotator cuff tear...
October 2016: Arthroscopy Techniques
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/27900179/procollagen-markers-in-microdialysate-can-predict-patient-outcome-after-achilles-tendon-rupture
#3
Md Abdul Alim, Simon Svedman, Gunnar Edman, Paul W Ackermann
OBJECTIVE: Patients who sustain acute Achilles tendon rupture (ATR) exhibit variable and mostly impaired long-term functional, and patient-reported outcomes. However, there exists a lack of early predictive markers of long-term outcomes to facilitate the development of improved treatment methods. The aim of this study was to assess markers of tendon callus production in patients with ATR in terms of outcome, pain, and fatigue. STUDY DESIGN AND SETTING: Prospective cohort study; level of evidence 2...
2016: BMJ Open Sport & Exercise Medicine
https://www.readbyqxmd.com/read/27898509/acute-achilles-tendon-ruptures-an-update-on-treatment
#4
Anish R Kadakia, Robert G Dekker, Bryant S Ho
Acute rupture of the Achilles tendon is common and seen most frequently in people who participate in recreational athletics into their thirties and forties. Although goals of treatment have not changed in the past 15 years, recent studies of nonsurgical management, specifically functional bracing with early range of motion, demonstrate rerupture rates similar to those of tendon repair and result in fewer wound and soft-tissue complications. Satisfactory outcomes may be obtained with nonsurgical or surgical treatment...
November 24, 2016: Journal of the American Academy of Orthopaedic Surgeons
https://www.readbyqxmd.com/read/27895574/robot-assisted-rehabilitation-of-ankle-plantar-flexors-spasticity-a-3-month-study-with-proprioceptive-neuromuscular-facilitation
#5
Zhihao Zhou, Yao Sun, Ninghua Wang, Fan Gao, Kunlin Wei, Qining Wang
In this paper, we aim to investigate the effect of proprioceptive neuromuscular facilitation (PNF)-based rehabilitation for ankle plantar flexors spasticity by using a Robotic Ankle-foot Rehabilitation System (RARS). A modified robot-assisted system was proposed, and seven poststroke patients with hemiplegic spastic ankles participated in a 3-month robotic PNF training. Their impaired sides were used as the experimental group, while their unimpaired sides as the control group. A robotic intervention for the experimental group started from a 2-min passive stretching to warming-up or relaxing the soleus and gastrocnemius muscles and also ended with the same one...
2016: Frontiers in Neurorobotics
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
#6
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/27888853/mr-imaging-findings-in-heel-pain
#7
REVIEW
Ching-Di Chang, Jim S Wu
Heel pain is common and due to a variety of osseous and soft tissue disorders. Causes of heel pain can be classified by the anatomic structure in which they arise and include disorders of the (1) Achilles tendon, (2) plantar fascia, (3) calcaneus, (4) bursae, (5) nerves in the hindfoot, (6) and heel pad. Although careful history taking and physical examination are important, imaging plays a vital role in the diagnosis and management of heel pain. MR imaging is the best imaging test to assess pain in the heel...
February 2017: Magnetic Resonance Imaging Clinics of North America
https://www.readbyqxmd.com/read/27888773/the-combined-effects-of-grain-supplementation-and-tenderstretching-on-alpaca-vicugna-pacos-meat-quality
#8
M A Smith, R D Bush, R J van de Ven, D L Hopkins
This study investigated the effects of feeding a mixed grain supplement and tenderstretching (TS) alpaca carcasses on meat quality. A total of 56 castrated 24month old alpacas were divided into two treatments (pasture-only, and pasture plus supplementation). Supplemented groups were fed a mixed grain ration in addition to ad lib pasture for 10weeks. Animals were slaughtered across two kill days (n=28). One half of each carcass was suspended by the pelvis (TS) prior to chilling, and the other half was Achilles tendon hung (AH)...
November 21, 2016: Meat Science
https://www.readbyqxmd.com/read/27885357/achilles-tendinopathy-current-concepts-about-the-basic-science-and-clinical-treatments
#9
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/27881831/the-effect-of-suture-anchor-insertion-angle-on-calcaneus-pullout-strength-challenging-the-deadman-s-angle
#10
William M Weiss, Ramon P Saucedo, John D Robinson, Chung-Chieh Jason Lo, Randal P Morris, Vinod K Panchbhavi
: Background Refractory cases of Achilles tendinopathy amenable to surgery may include reattachment of the tendon using suture anchors. However, there is paucity of information describing the optimal insertion angle to maximize the tendon footprint and anchor stability in the calcaneus. The purpose of this investigation is to compare the fixation strength of suture anchors inserted at 90° and 45° (the Deadman's angle) relative to the primary compressive trabeculae of the calcaneus. Methods A total of 12 matched pairs of adult cadaveric calcanei were excised and potted to approximate their alignment in vivo...
November 23, 2016: Foot & Ankle Specialist
https://www.readbyqxmd.com/read/27881830/repair-of-chronic-achilles-ruptures-has-a-high-incidence-of-venous-thromboembolism
#11
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/27881671/sex-based-difference-in-achilles-peritendinous-levels-of-matrix-metalloproteinases-and-growth-factors-after-acute-resistance-exercise
#12
Broc D Astill, Mark S Katsma, David J Cauthon, Jason Greenlee, Mark Murphy, Donald Curtis, Chad C Carroll
Several recent investigations have demonstrated that the ability of various tendons to alter structural and functional properties in response to exercise are muted in women when compared to men. We hypothesize that this disparity between men and women may be due to a reduced tendon production of key mediators of tendon extracellular matrix (ECM) remodeling in response to mechanical loading, e.g. exercise. Using microdialysis before and after an acute bout of resistance exercise, we evaluated Achilles peritendinous levels of insulin-like growth factor-1 (IGF-1) and interleukin-6 (IL-6), which have both been shown to increase tendon collagen synthesis...
November 23, 2016: Journal of Applied Physiology
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
#13
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/27872419/elastographic-findings-of-achilles-tendons-in-asymptomatic-professional-male-volleyball-players
#14
Mehtap Balaban, Ilkay S Idilman, Ali Ipek, Sinem Sigit Ikiz, Bulent Bektaser, Mehmet Gumus
OBJECTIVES: Elastography is a new sonographic technique that evaluates the elasticity of different tissues such as the Achilles tendon. In this study, we aimed to investigate the elastographic findings of Achilles tendons in professional athletes in comparison with healthy volunteers. METHODS: Twenty-one professional male volleyball players with no history of Achilles trauma were included in this study. Twenty-one healthy male volunteers with similar ages and body mass indices were selected as control participants...
December 2016: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
https://www.readbyqxmd.com/read/27871421/mesenchymal-stem-cell-bearing-sutures-for-tendon-repair-and-healing-in-the-foot-and-ankle
#15
REVIEW
Eric W Tan, Lew C Schon
Improving the quality and strength of soft tissue repairs remains an important area of orthopedic research and innovation. The need for immobilization and early motion is an important balance essential for the successful treatment of tendon repair and reconstruction. Mesenchymal stem cell (MSC)-bearing sutures represent an emerging biological augmentation to traditional suture repair. Two previous large studies using stem cell sutures in rat Achilles tendon models have demonstrated early increased biomechanical strength and significantly increased ultimate failure strength...
December 2016: Foot and Ankle Clinics
https://www.readbyqxmd.com/read/27855536/comparison-of-estimates-of-achilles-tendon-loading-from-inverse-dynamics-and-inverse-dynamics-based-static-optimisation-during-running
#16
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/27855526/morphometric-properties-and-innervation-of-muscle-compartments-in-rat-medial-gastrocnemius
#17
Malwina Taborowska, Dorota Bukowska, Hanna Drzymała-Celichowska, Barbara Mierzejewska-Krzyżowska, Jan Celichowski
The rat medial gastrocnemius (MG) muscle is composed of the proximal and distal compartments. In this study, morphometric properties of the compartments and their muscle fibres at five levels of the muscle length and the innervation pattern of these compartments from lumbar segments were investigated. The size and number of muscle fibres in the compartments were different. The proximal compartment at the largest cross section (25% of the muscle length) had 34% smaller cross-sectional area but contained a slightly higher number of muscle fibres (max...
September 2016: Somatosensory & Motor Research
https://www.readbyqxmd.com/read/27847977/does-a-different-dose-of-gamma-irradiation-have-the-same-effect-on-five-different-types-of-tendon-allografts-a-biomechanical-study
#18
Gyorgy Hangody, Gábor Szebényi, Bence Abonyi, Rita Kiss, László Hangody, Károly Pap
INTRODUCTION: The goals of our study were to evaluate the biomechanical differences between five tendons and the changes in biomechanical properties caused by irradiation. METHODS: Achilles, quadriceps, semitendinosus + gracilis (STG), tibialis anterior (TA) and the peroneus longus (PL) were harvested from 30 donors. Group A contained 50 tendons without gamma irradiation. The groups were irradiated with a dose of 21 kGy (group B 50 tendons) and with a dose of 42 kGy (group C 50 tendons)...
November 15, 2016: International Orthopaedics
https://www.readbyqxmd.com/read/27847806/surgical-strategy-for-the-chronic-achilles-tendon-rupture
#19
Yangjing Lin, Liu Yang, Li Yin, Xiaojun Duan
Background. Chronic Achilles tendon rupture is usually misdiagnosed and treated improperly. This study aims to better understand the treatment of chronic Achilles tendon rupture. Methods. Patients who were not able to perform a single-limb heel rise were chosen. Pre- and postoperative magnetic resonance imaging (MRI) were conducted. By evaluating the presence or absence of Achilles tendon stumps and the gap length of rupture, V-Y advancement, gastrocnemius fascial turndown flap, or flexor halluces longus tendon transfer were selected for tendon repair...
2016: BioMed Research International
https://www.readbyqxmd.com/read/27847117/quantification-of-collagen-fiber-orientation-in-human-tendons-with-the-coefficient-of-variation-of-echogenicity
#20
Tomonobu Ishigaki, Masahiro Kouno, Toshihiro Ikebukuro, Keitaro Kubo
The grayscale distribution on the ultrasonic images of tendons may be reduced with alignment of collagen fibers, because ultrasound signal intensity changes with alterations in tendon collagen fiber orientation due to acoustic anisotropy in the tendons. The purpose of this study was to investigate changes in the coefficient of variation (CV) of echogenicity in the Achilles tendon during passive dorsiflexion (the angle task) and isometric plantar flexion (the contraction task). Achilles tendon transverse ultrasonic images were collected from 14 healthy individuals every 10° from 20° to -20° (positive values for plantar flexion) in the angle task and every 10% maximum voluntary contraction (MVC) from 0% to 70% MVC in the contraction task...
November 9, 2016: Journal of Biomechanics
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