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Tendon treatment

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https://www.readbyqxmd.com/read/29691618/patients-with-an-achilles-tendon-re-rupture-have-long-term-functional-deficits-in-function-and-worse-patient-reported-outcome-than-primary-ruptures
#1
Olof Westin, Katarina Nilsson Helander, Karin Grävare Silbernagel, Kristian Samuelsson, Annelie Brorsson, Jón Karlsson
PURPOSE: The aim of this study was to perform a long-term follow-up of patients treated for an Achilles tendon re-rupture, using established outcome measurements for tendon structure, lower extremity function and symptoms, and to compare the results with those for the uninjured side. A secondary aim was to compare the outcome with that of patients treated for primary ruptures. The hypotheses were that patients with a re-rupture recover well, and have similar long-term outcome as primary ruptures...
April 24, 2018: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/29691077/camptodactyly-treatment-for-the-lesser-digits
#2
REVIEW
Lindley B Wall, Marybeth Ezaki, Charles A Goldfarb
Camptodactyly of the lesser digits is commonly seen in patients with arthrogryposis. The flexed posture of the digit can be functionally limiting and necessitate surgical treatment to improve grasp function. In digits with normal bony anatomy, a lateral stiletto-shaped transposition flap combined with flexor digitorum superficialis tendon release, can improve finger deformity and function.
April 21, 2018: Journal of Hand Surgery
https://www.readbyqxmd.com/read/29686971/snapping-elbow-a-guide-to-diagnosis-and-treatment
#3
Jonathan Jetsmark Bjerre, Finn Elkjær Johannsen, Martin Rathcke, Michael Rindom Krogsgaard
AIM: To develop practical guidelines for diagnosis and treatment of the painful snapping elbow syndrome (SE). METHODS: Clinical studies were searched in the databases PubMed and Scopus for the phrases "SE", "snapping triceps", "snapping ulnar nerve" and "snapping annular ligament". A total of 36 relevant studies were identified. From these we extracted information about number of patients, diagnostic methods, patho-anatomical findings, treatments and outcomes...
April 18, 2018: World Journal of Orthopedics
https://www.readbyqxmd.com/read/29686281/gauging-force-by-tapping-tendons
#4
Jack A Martin, Scott C E Brandon, Emily M Keuler, James R Hermus, Alexander C Ehlers, Daniel J Segalman, Matthew S Allen, Darryl G Thelen
Muscles are the actuators that drive human movement. However, despite many decades of work, we still cannot readily assess the forces that muscles transmit during human movement. Direct measurements of muscle-tendon loads are invasive and modeling approaches require many assumptions. Here, we introduce a non-invasive approach to assess tendon loads by tracking vibrational behavior. We first show that the speed of shear wave propagation in tendon increases with the square root of axial stress. We then introduce a remarkably simple shear wave tensiometer that uses micron-scale taps and skin-mounted accelerometers to track tendon wave speeds in vivo...
April 23, 2018: Nature Communications
https://www.readbyqxmd.com/read/29685565/decompressive-medial-cuneiform-exostectomy-for-resistant-tibialis-anterior-insertional-tendinopathy
#5
Alan J Laing, Christopher Carr
Distal tibialis anterior tendinopathy, as a clinical entity, has only recently been documented in foot and ankle studies. We report our experience with medial cuneiform decompressive exostectomy and superficial tendon debridement in 14 cases of recalcitrant tibilalis anterior insertional pain. We reviewed 13 patients (14 feet; 12 females, 1 male; mean age 67.9 ± 7.5; range 55 to 80 years) in whom conservative treatment had failed who had undergone debridement of the insertional tibialis anterior tendon and decompressive exostectomy of the medial cuneiform...
May 2018: Journal of Foot and Ankle Surgery: Official Publication of the American College of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/29685503/refractory-patellar-tendinopathy-treated-by-arthroscopic-decortication-of-the-inferior-patellar-pole-in-athletes-mid-term-outcomes
#6
Dhong Won Lee, Jin Goo Kim, Tae Min Kim, Du Han Kim
BACKGROUND: This study aimed to evaluate the clinical outcomes of arthroscopic decortication of the inferior patellar pole in athletes with refractory chronic patellar tendinopathy. METHODS: Thirty-seven athletes in whom conservative management for at least six months failed underwent arthroscopic patellar tendon debridement and decortication of the inferior pole of the patella. Clinical outcomes were evaluated using subjective knee scores and isokinetic muscle strength tests...
April 20, 2018: Knee
https://www.readbyqxmd.com/read/29682379/extensor-tendons-rupture-after-volar-plating-of-distal-radius-fracture-related-to-a-dorsal-radial-metaphyseal-bone-spur
#7
M O Abrego, F L De Cicco, J G Boretto, G L Gallucci, P De Carli
Extensor tendon ruptures due to volar plating in distal radius fractures have mostly been described in relation with technique failures such as screw prominence and drill penetration. We report the case of a 71-year-old female with a C2 distal radius fracture with severe dorsal metaphyseal comminution. The patient underwent surgical treatment with reduction of the large fragments and fixation with a volar locking plate; the small dorsal metaphyseal nonarticular fragments were not reduced. Six months later, the patient developed extensor digitorum communis (EDC) rupture and extensor indicis proprius (EIP) laceration in coincidence with the dorsal comminution turned into a bony spur...
2018: Case Reports in Orthopedics
https://www.readbyqxmd.com/read/29679723/comparison-of-hook-plate-with-versus-without-double-tunnel-coracoclavicular-ligament-reconstruction-for-repair-of-acute-acromioclavicular-joint-dislocations-a-prospective-randomized-controlled-clinical-trial
#8
Jian Yin, Zhaoyang Yin, Ge Gong, Chao Zhu, Chao Sun, Xinhui Liu
PURPOSE: This study was designed to compare the surgical outcomes of a hook plate with double-tunnel coracoclavicular (CC) ligament reconstruction by conjoined tendon transfer versus single hook plate surgery for the repair of acute type of Rockwood type III and V acromioclavicular (AC) joint dislocations. METHODS: The study cohort included 62 patients with acute (within 6 weeks after trauma) Rockwood type III and V AC joint dislocations who underwent surgery from February 2012 to September 2015...
April 18, 2018: International Journal of Surgery
https://www.readbyqxmd.com/read/29676227/chemically-modified-mrna-modified-rna-application-for-treatment-of-achilles-tendon-defects
#9
Elmar Herbst, Florian Imhoff, Peter Föhr, Stefan Milz, Christian Plank, Carsten Rudolph, Günther Hasenpusch, Johannes Geiger, Manish Aneja, Karoline Groth, Stephan Vogt, Andreas Imhoff, Andreas Schmitt
Different regenerative medicine approaches for tendon healing exist. Recently, especially gene therapy gained popularity. However, potential mutagenic and immunologic effects might prevent from translation to clinical research. Chemically modified mRNA (cmRNA) might bypass these limitations of gene therapy. Therefore, the purpose of this study was to evaluate the early healing properties of Achilles tendon defects in rats treated with basic fibroblast growth factor (bFGF) cmRNA. Forty male Lewis rats were used for the study and randomly assigned to the two study groups: 1) treatment with cmRNA coding for bFGF, 2) non-coding cmRNA control...
April 20, 2018: Tissue Engineering. Part A
https://www.readbyqxmd.com/read/29676207/housekeeping-gene-stability-in-human-mesenchymal-stem-and-tendon-cells-exposed-to-tenogenic-factors
#10
Marco Viganò, Carlotta Perucca Orfei, Laura de Girolamo, John Pearson, Enrico Ragni, Paola De Luca, Alessandra Colombini
The use of biochemical inducers of mesenchymal stem cells (MSCs) differentiation into tenogenic lineage represents an investigated aspect of tendon disorder treatment. Bone morphogenetic protein 12 (BMP-12) is a widely studied factor, representing along with ascorbic acid (AA) and basic fibroblast growth factor (bFGF) one of the most promising stimulus in this context so far. Quantitative gene expression of specific tenogenic marker is commonly used to assess the efficacy of these supplements. Nevertheless, the reliability of these data is strongly associated with the choice of stable housekeeping genes...
April 20, 2018: Tissue Engineering. Part C, Methods
https://www.readbyqxmd.com/read/29675510/isolated-subscapularis-tendon-tear-in-a-skeletally-immature-soccer-player
#11
Paolo Avanzi, Luca Dei Giudici, Roberto Giovarruscio, Antonio Gigante, Claudio Zorzi
Subscapularis injury in adolescents, usually associated to an avulsion fracture of the lesser humeral tuberosity, accounts for less than 2% of all fractures of the proximal humerus. Isolated tears of the subscapularis tendon without a history of dislocation and associated avulsion fractures are an even rarer occurrence, and treatment is controversial. This article describes a rare case of a 12-year-old suffering from an isolated subscapularis tear and discusses its management. The patient was evaluated at presentation, and at 1 to 2...
March 2018: Joints
https://www.readbyqxmd.com/read/29674493/effect-of-electroacupuncture-stimulation-on-long-term-recovery-following-achilles-tendon-rupture-in-a-rat-model
#12
Miwa Imaeda, Tatsuya Hojo, Hiroshi Kitakoji, Kazuto Tanaka, Megumi Itoi, Motohiro Inoue
AIMS: In this study we examined the effect of electroacupuncture (EA) stimulation on the mechanical strength of the rat Achilles tendon after long-term recovery. METHODS: Using 20 rats, an Achilles tendon rupture model was created in an invasive manner. The rats were assigned to one of three groups, that received EA treatment (EA group), minimal acupuncture (MA group) or remained untreated (Control group). In the EA group, EA stimulation (5 ms, 50 Hz, 20 µA, 20 min) was applied to the rupture region over a period of 90 days (five times/week)...
April 19, 2018: Acupuncture in Medicine: Journal of the British Medical Acupuncture Society
https://www.readbyqxmd.com/read/29672303/bevacizumab-improves-achilles-tendon-repair-in-a-rat-model
#13
Herbert Tempfer, Alexandra Kaser-Eichberger, Christine Lehner, Renate Gehwolf, Stefanie Korntner, Nadja Kunkel, Andrea Wagner, Moritz Gruetz, Ludwig M Heindl, Falk Schroedl, Andreas Traweger
BACKGROUND/AIMS: Effective wound-healing generally requires efficient re-vascularization after injury, ensuring sufficient supply with oxygen, nutrients, and various cell populations. While this applies to most tissues, tendons are mostly avascular in nature and harbor relatively few cells, probably contributing to their poor regenerative capacity. Considering the minimal vascularization of healthy tendons, we hypothesize that controlling angiogenesis in early tendon healing is beneficial for repair tissue quality and function...
April 16, 2018: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29671490/common-running-injuries-evaluation-and-management
#14
Michael J Arnold, Aaron L Moody
Running is a common form of exercise but predisposes athletes to several running-related injuries. Most running injuries are due to overuse and respond to conservative treatment. Tendinopathies in the patellar, Achilles, and hamstring tendons are common, and are primarily treated with eccentric exercise. Iliotibial band syndrome and patellofemoral pain syndrome are less common than patellar tendinopathy and are treated by strengthening exercises for the core and legs in addition to flexibility exercises. Acute hamstring strains and medial tibial stress syndrome require a period of relative rest, followed by stretching and graded return to activity...
April 15, 2018: American Family Physician
https://www.readbyqxmd.com/read/29671022/-the-minimally-invasive-chevron-and-akin-osteotomy-mica
#15
REVIEW
Sebastian Altenberger, Stefanie Kriegelstein, Oliver Gottschalk, Florian Dreyer, Alexander Mehlhorn, Anke Röser, Markus Walther
OBJECTIVE: Percutaneous correction of a hallux valgus deformity with or without transfer metatarsalgia. INDICATIONS: Hallux valgus deformity up to 20° intermetatarsal angle, without instability of the first tarsometatarsal joint. CONTRAINDICATIONS: Symptomatic arthritis of the first metatarsophalangeal joint, as well as instability of the first tarsometatarsal joint. SURGICAL TECHNIQUE: Percutaneous performed osteotomy of the distal metatarsal 1 in combination with a medial closing wedge osteotomy of the proximal phalanx of the first toe...
April 18, 2018: Operative Orthopädie und Traumatologie
https://www.readbyqxmd.com/read/29670481/exercise-associated-muscle-cramp-doubts-about-the-cause
#16
Dzenan Jahic, Edin Begic
Introduction: Exercise-associated muscle cramp (EAMC) is one of the most common conditions that occur during or immediately after the exercise, with questionable etiology. Aim: Aim of article was to present doubts about the cause of EAMC, whether it is primarily a neurological condition or it is water and salt imbalance. Results: Strongest evidence supports the neuromuscular aetiology with the focus on the muscle fatigue. Muscle overload and fatigue affects the balance between the excitatory drive from muscle spindles and the inhibitory drive from the Golgi tendon organs (GTO)...
March 2018: Materia Socio-medica
https://www.readbyqxmd.com/read/29668776/muscle-regeneration-through-therapy-with-estromal-stem-cells-in-injury-of-infraespinhosus-muscle-of-sheep
#17
Aline Grama Moreira Brandão, Angélica Consalter, Juliana da Silva Leite, Helia Zamprogno, Ana Maria Reis Ferreira
PURPOSE: To evaluate the effects of rotator cuff muscle regeneration in sheep and establish an experimental model for the use of autologous stem cells as a treatment option for tendon injuries. METHODS: Infrared muscle tenotomies and Penrose drain implantation were performed on 12 shoulders of six clinically healthy adult sheep. After 60 days, the tendons were submitted to tissue repair, drainage removal, and divided into two groups according to the use of autologous stromal stem cells for treatment...
March 2018: Acta Cirúrgica Brasileira
https://www.readbyqxmd.com/read/29663091/anatomical-feasibility-study-of-flexor-hallucis-longus-transfer-in-treatment-of-achilles-tendon-and-posteromedial-portal-of-ankle-arthroscopy
#18
Haijiao Mao, Linger Wang, Wenwei Dong, Zhenxin Liu, Weigang Yin, Dachuan Xu, Keith L Wapner
PURPOSE: The aim of this study was to evaluate the occurrence of anatomical variations of the musculotendinous junction of the flexor hallucis longus (FHL) muscle, the relationship between FHL tendon or muscle and the tibial neurovascular bundle at the level of the posterior ankle joint in human cadavers. METHODS: Seventy embalmed feet from 20 male and 15 female cadavers, the cadavers' mean age was 65.4 (range from 14 to 82) years, were dissected and anatomically classified to observe FHL muscle morphology define the relationship between FHL tendon or muscle and the tibial neurovascular bundle...
April 16, 2018: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/29658926/evaluation-of-stem-cell-therapies-in-a-bilateral-patellar-tendon-injury-model-in-rats
#19
John R Wagner, Takashi Taguchi, Jane Y Cho, Chandrashekhar Charavaryamath, Dominique J Griffon
Regenerative medicine provides novel alternatives to conditions that challenge traditional treatments. The prevalence and morbidity of tendinopathy across species, combined with the limited healing properties of this tissue, have prompted the search for cellular therapies and propelled the development of experimental models to study their efficacy. Umbilical cord matrix-derived mesenchymal stem cells (UCM-MSC) are appealing candidates because they are abundant, easy to collect, circumvent the ethical concerns and risk of teratoma formation, yet resemble primitive embryonic stem cells more closely than adult tissue-derived MSCs...
March 30, 2018: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/29658519/biomechanical-evaluation-of-tendon-connection-with-novel-suture-techniques
#20
Zhe Chen, Jun Wang, Jia-Sen Wei, Zhao-Yang Hou, Min Li, Qi-Xin Chen
PURPOSE: Achilles tendon rupture is a severe injury with poor curative effect due to its anatomical characteristic and mechanical peculiarity. Internal fixation of limited loop (IFLL) with steel-wire has been applied on patients with tendon rupture to fix the broken ends before physical rehabilitation. The purpose of this study is to investigate the biomechanical property and radiological characteristic of such suture technique for the repairment of tendon rupture. METHODS: Tendons of pigs' hint feet were separated for the biomechanical study...
2018: Acta of Bioengineering and Biomechanics
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