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https://www.readbyqxmd.com/read/29409286/percutaneous-soft-tissue-release-performed-using-a-blunt-cannula-in-rabbits-with-chronic-collagenase-induced-achilles-tendinopathy
#1
Yueh-Ling Hsieh, Ming-Ta Lin, Chang-Zern Hong, Hsin-Shui Chen
BACKGROUND: This study investigated the effects of percutaneous soft tissue release (PSTR) performed using a blunt cannula on (1) the inflammatory cells-count, (2) expressions of calcitonin gene-related peptide (CGRP) and (3) substance P (SP) in rabbits with chronic phase of collagenase-induced Achilles tendinopathy. METHODS: Thirty-two adult male New Zealand rabbits were randomly divided into four groups: (1) collagenase and PSTR treatment; (2) collagenase and sham-operated PSTR treatment; (3) vehicle-only injection and PSTR treatment; and (4) vehicle-only injection and sham-operated PSTR treatment...
October 29, 2017: Foot and Ankle Surgery: Official Journal of the European Society of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/29141520/a-simple-suture-guiding-device-for-minimally-invasive-achilles-tendon-repair
#2
Sinan Obut, Alper Gultekin, Meric Unal, Ulaş Serarslan, Ümit Tuhanioğlu
BACKGROUND: Our hypothesis is to utilize a simple suture-guiding device for minimally invasive repair of Achilles tendon without any extra cost with a minimal risk of rerupture. The purpose of this study is to investigate the results of our minimally invasive technique for Achilles tendon repair using a simple ovarian clamp for suture guiding. MATERIALS AND METHODS: Twenty patients with acute Achilles tendon rupture were treated with minimally invasive repair by an expert orthopaedic surgeon...
September 2017: Journal of Orthopaedic Surgery
https://www.readbyqxmd.com/read/29032307/biomechanical-properties-of-different-techniques-used-in-vitro-for-suturing-mid-substance-achilles-tendon-ruptures
#3
Carlos De la Fuente, Carlos Cruz-Montecinos, Helen L Schimidt, Hugo Henríquez, Sebastián Ruidiaz, Felipe P Carpes
BACKGROUND: The Dresden technique preserves the paratenon during Achilles tendon repair and may improve the plantarflexor mechanism when combined with mobilization during early rehabilitation. However, the surgical repair design for Achilles tendon ruptures can affect rates of re-rupture or lengthening. Therefore, the aim of this study was to determine the biomechanical properties of the Krackow, Double-Kessler, Double-Dresden, and Triple-Dresden techniques used for repairing mid-substance Achilles tendon ruptures during cyclical and maximum traction...
October 9, 2017: Clinical Biomechanics
https://www.readbyqxmd.com/read/28822636/endoscopic-treatment-of-mid-portion-achilles-tendinopathy-a-retrospective-case-series-of-patient-satisfaction-and-functional-outcome-at-a-2-to-8-year-follow-up
#4
Kim T M Opdam, Thomas P A Baltes, Ruben Zwiers, Jan Joost I Wiegerinck, C Niek van Dijk
PURPOSE: To evaluate the results of endoscopic treatment in patients affected by mid-portion Achilles tendinopathy, by release of the paratenon combined with a resection of the plantaris tendon, regarding patient satisfaction, functional outcome, and pain scores. METHODS: This retrospective study evaluated patients endoscopically treated for mid-portion Achilles tendinopathy between 2000 and 2013. Patient satisfaction, functional outcome, pain scores, and health-related quality of life were measured by the use of a numeric rating scale, the Foot and Ankle Outcome Score, the Victorian Institute of Sport assessment for the Achilles tendon, the numeric rating scale for pain during running and during sports, and the EuroQol 5D (EQ-5D-3L) standardized questionnaire...
August 16, 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/28659242/minimally-invasive-achilles-tendon-stripping-for-the-management-of-tendinopathy-of-the-main-body-of-the-achilles-tendon
#5
Nicola Maffulli, Francesco Oliva, Gayle D Maffulli, Alessio Giai Via, Nikolaos Gougoulias
Achilles tendinopathy is a common cause of disability. New nerves fibers grow from the paratenon into the Achilles tendon, and they could play a central role in the development of pain. We report the results of minimally invasive Achilles tendon stripping for Achilles tendinopathy in 47 active patients. The Victorian Institute of Sports Assessment-Achilles questionnaire score improved from 53.8 preoperatively to 85.3 postoperatively (p < .001). After a mean follow-up period of 40.5 months, 41 patients had resumed sporting activities at an average of 3...
September 2017: Journal of Foot and Ankle Surgery: Official Publication of the American College of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/28488046/features-of-the-achilles-tendon-paratenon-and-enthesis-in-inflammatory-rheumatic-diseases-a%C3%A2-clinical-and-ultrasonographic-study
#6
H Harman, E Süleyman
AIM: We analyzed the ultrasonographic (US) features of the Achilles tendon (AT), paratenon (AP), and enthesis in patients with axial spondyloarthropathies (SpA) and rheumatoid arthritis (RA), and compared these to healthy subjects. Relationships between these findings and clinical and functional parameters were identified. METHODS: The study included 40 axial SpA and 27 RA patients, as well as 30 healthy subjects. Clinical evaluation relied on the Bath Ankylosing Spondylitis Disease Activity Index (BASDAI), Bath AS Functional Index (BASFI), AS Quality of Life Questionnaire (ASQoL), Disease Activity Score 28 (DAS28), and Health Assessment Questionnaire (HAQ), as well as on a visual analog scale (VAS) for entheseal pain and the Madrid Sonographic Enthesistis Index (MASEI)...
May 9, 2017: Zeitschrift Für Rheumatologie
https://www.readbyqxmd.com/read/28257673/midsubstance-tendinopathy-surgical-management
#7
REVIEW
William T DeCarbo, Mark J Bullock
Noninsertional Achilles tendinopathy often responds to nonoperative treatment. When nonoperative treatment fails, the clinician must distinguish between paratendinopathy and noninsertional tendinopathy. In paratendinopathy, myofibroblasts synthesize collagen, causing adhesions, and the paratenon may be released or excised. If a core area of tendinopathy is identified on MRI, the area is excised longitudinally and repaired with a side-to-side suture. If greater than 50% of the tendon diameter is excised, the authors recommend a short flexor hallucis longus tendon transfer with an interference screw...
April 2017: Clinics in Podiatric Medicine and Surgery
https://www.readbyqxmd.com/read/28181179/clinical-examination-ultrasound-and-mri-imaging-of-the-painful-elbow-in-psoriatic-arthritis-and-rheumatoid-arthritis-which-is-better-ultrasound-or-mr-for-imaging-enthesitis
#8
Clare Groves, Muthusamy Chandramohan, Ne Siang Chew, Tariq Aslam, Philip S Helliwell
INTRODUCTION: The purpose of the current study was to examine the painful elbow, and in particular enthesitis, in psoriatic arthritis (PsA) and rheumatoid arthritis (RA) using clinical examination, ultrasonography (US) and magnetic resonance imaging (MRI). METHODS: Patients with elbow pain (11 with PsA and 9 with RA) were recruited. Clinical examination, US and MRI studies were performed on the same day. For enthesitis, the common extensor and flexor insertions and the triceps insertion were imaged (20 patients, giving a total of 60 sites with comparative data)...
June 2017: Rheumatology and Therapy
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
#9
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/27717559/peritoneum-and-omentum-are-natural-reservoirs-for-chondrocytes-of%C3%A2-osteochondral-autografts-a-comparative-animal-study
#10
Kadir Buyukdogan, Mahmut Nedim Doral, Onur Bilge, Egemen Turhan, Gazi Huri, Mustafa Fevzi Sargon
OBJECTIVE: The purpose of this study was to investigate the effects of the omentum, peritoneum, paratenon and skeletal muscle on the proliferation of the cartilage tissue using rabbit model as an in vivo culture medium. METHODS: 6 months old forty-five New Zealand rabbits were randomized into omentum, peritoneum, muscle, and Achilles paratenon groups. Standard sized osteochondral grafts were harvested from right knees and immediately placed into the specified tissues...
October 2016: Acta Orthopaedica et Traumatologica Turcica
https://www.readbyqxmd.com/read/27535247/tendon-innervation
#11
REVIEW
Paul W Ackermann, Paul Salo, David A Hart
The regulation of tendon metabolism including the responses to loading is far from being well understood. During the last decade, however, accumulating data show that tendon innervation in addition to afferent functions, via efferent pathways has a regulatory role in tendon homeostasis via a wide range of neuromediators, which coordinate metabolic and neuro-inflammatory pathways.Innervation of intact healthy tendons is localized in the surrounding structures, i.e paratenon, endotenon and epitenon, whereas the tendon proper is practically devoid of neuronal supply...
2016: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/27331038/different-distributions-of-operative-diagnoses-for-achilles-tendon-overuse-injuries-in-italian-and-finnish-athletes
#12
Kristian Johansson, Lasse Lempainen, Janne Sarimo, Tiina Laitala-Leinonen, Sakari Orava
BACKGROUND: the origin of chronic Achilles tendinopathy (AT) is currently unclear and epidemiological factors, such as ethnicity, may be associated. METHODS: intraoperative findings from the treatment of 865 Finnish and 156 Italian athletic patients with chronic Achilles tendon related pain were evaluated, retrospectively. The mean age was 34 years (range, 18 to 65 years) in the Finnish and 29 years (range, 17-63 years) in the Italian patients. In total, 786 patients were males and 226 females of which 84 and 87% Finnish, respectively...
January 2016: Muscles, Ligaments and Tendons Journal
https://www.readbyqxmd.com/read/27331035/microcirculation-in-healing-and-healthy-achilles-tendon-assessed-with-invasive-laser-doppler-flowmetry
#13
Erica Domeij Arverud, Olof Persson-Lindell, Fredrik Sundquist, Fausto Labruto, Gunnar Edman, Paul W Ackermann
INTRODUCTION: Achilles tendon (AT) rupture exhibits a prolonged healing process with varying clinical outcome. Reduced blood flow to the AT has been considered an underlying factor to AT rupture (ATR) and impaired healing. In vivo measurements using laser Doppler flowmetry (LDF) may be a viable method to assess blood flow in healthy and healing AT. METHODS: 29 persons were included in the study; 9 being ATR patients and 20 healthy subjects without any prior symptoms from the AT...
January 2016: Muscles, Ligaments and Tendons Journal
https://www.readbyqxmd.com/read/27242940/acute-achilles-paratendinopathy-following-major-injury-of-the-crural-fascia-in-a-professional-soccer-player-a-possible-correlation
#14
Gabriele Mattiussi, Michele Turloni, Pietro Tobia Baldassi, Carlos Moreno
Background. The anatomy and mechanical properties of the Crural Fascia (CF), the ubiquitous connective tissue of the posterior region of the leg, have recently been investigated. The most important findings are that (i) the CF may suffer structural damage from indirect trauma, (ii) structural changes of the CF may affect the biomechanics of tissues connected to it, causing myofascial pain syndromes, and (iii) the CF is in anatomical continuity with the Achilles paratenon. Consistent with these points, the authors hypothesize that the onset of acute Achilles paratendinopathy may be related to histological and biomechanical changes of the CF...
2016: Case Reports in Orthopedics
https://www.readbyqxmd.com/read/27192720/using-the-literature-to-understand-achilles-fate
#15
Vesna S Rakic
According to Greek mythology, Achilles was fatally wounded in his heel, bled out, and died. Several unproven hypotheses mention poisoning, infection, allergy, hemophilia, thyrotoxic storm (ie, pain and stress), and suicide. The author, a plastic surgeon who often treats chronic wounds, proposes an additional scenario: Although not mortally wounded, Achilles was considered dead, because in his time a wounded hero was as good as a dead hero, so he lived out the remainder of his life as former hero with a chronic wound far away from everyone...
May 2016: Ostomy/wound Management
https://www.readbyqxmd.com/read/27184388/murine-supraspinatus-tendon-injury-model-to-identify-the-cellular-origins-of-rotator-cuff-healing
#16
Ryu Yoshida, Farhang Alaee, Felix Dyrna, Mark S Kronenberg, Peter Maye, Ivo Kalajzic, David W Rowe, Augustus D Mazzocca, Nathaniel A Dyment
Purpose of this study: To elucidate the origin of cell populations that contribute to rotator cuff healing, we developed a mouse surgical model where a full-thickness, central detachment is created in the supraspinatus. MATERIALS AND METHODS: Three different inducible Cre transgenic mice with Ai9-tdTomato reporter expression (PRG4-9, αSMA-9, and AGC-9) were used to label different cell populations in the shoulder. The defect was created surgically in the supraspinatus. The mice were injected with tamoxifen at surgery to label the cells and sacrificed at 1, 2, and 5 weeks postoperatively...
November 2016: Connective Tissue Research
https://www.readbyqxmd.com/read/27158828/using-a-posterior-compartment-fasciotomy-and-paratenon-closure-in-acute-achilles-tendon-repair
#17
David Saper, Kyle Lybrand, William Creevy, Xinning Li
Soft tissue management, dissection, and handling are of paramount importance during Achilles tendon repair. Although surgical repairs of Achilles tendons have predictably excellent outcomes, complications including wound infection and stiffness are not uncommon. The authors' surgical technique for Achilles tendon repair includes tagging the posterior paratenon for later layered repair and incising the posterior fascia, exposing the flexor hallucis longus muscle belly. This posterior compartment fasciotomy allows for both hematoma evacuation away from the tenuous posterior skin and mobilization of the posterior paratendon for complete closure over the repaired Achilles tendon...
July 1, 2016: Orthopedics
https://www.readbyqxmd.com/read/26838595/-tendoscopy-of-the-achilles-tendon-indications-technique-and-results
#18
REVIEW
S Kriegelstein, S Altenberger, A Röser, M Walther
BACKGROUND: Endoscopic surgical techniques are nowadays standard procedures in medicine. The advantages of these minimally invasive techniques compared to open techniques are a smaller access route with reduced tissue damage, reduced scarring and often faster postoperative mobilization. Tendoscopy can be used to treat pathologies of tendons as well as of the surrounding tissues. OBJECTIVES: This article presents the advantages of endoscopic treatment of the Achilles tendon compared to open procedures as well as the chances and limitations of tendoscopy...
February 2016: Der Unfallchirurg
https://www.readbyqxmd.com/read/26688993/achilles-tendinitis
#19
REVIEW
Richard Eickler, Stephen J Pomeranz
Achilles tendinitis is a common etiology of heel pain, which is a common patient complaint. Achilles tendinitis can be classified into noninsertional tendinosis and insertional tendinitis on the basis of clinical features, radiologic signs, and pathologic findings. Magnetic resonance imaging (MRI) allows classification and reveals associated findings, including retrocalcaneal bursitis, paratendinitis, and paratenonitis. Furthermore, MRI may not only confirm findings of Achilles tendinitis but also diagnose other etiologies of heel pain...
2015: Journal of Surgical Orthopaedic Advances
https://www.readbyqxmd.com/read/26686976/relative-motion-between-the-flexor-digitorum-superficialis-tendon-and-paratenon-in-zone-v-increases-with-wrist-flexion-angle
#20
COMPARATIVE STUDY
Aaron M Kociolek, Peter J Keir
Carpal tunnel syndrome is characterized by non-inflammatory fibrosis of the subsynovial connective tissue (SSCT), a paratenon-like structure inside the carpal tunnel. This pathology suggests repetitive and/or excessive shear forces are involved in injury development. We assessed relative motion between the flexor digitorum superficialis (FDS) tendon and adjacent paratenon in Zone V using colour Doppler imaging as 16 healthy participants completed three long finger movements (metacarpophalangeal joint flexion, proximal and distal interphalangeal joint flexion, full finger flexion) in three wrist postures (30° extension, 0°, 30° flexion)...
July 2016: Journal of Orthopaedic Research: Official Publication of the Orthopaedic Research Society
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