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Tendinopathy

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https://www.readbyqxmd.com/read/28427411/tendon-motion-tracking-in-an-ultrasound-image-sequence-using-optical-flow-based-block-matching
#1
Bo-I Chuang, Jian-Han Hsu, Li-Chieh Kuo, I-Ming Jou, Fong-Chin Su, Yung-Nien Sun
BACKGROUND: Tendon motion, which is commonly observed using ultrasound imaging, is one of the most important features used in tendinopathy diagnosis. However, speckle noise and out-of-plane issues make the tracking process difficult. Manual tracking is usually time consuming and often yields inconsistent results between users. METHODS: To automatically track tendon motion in ultrasound images, we developed a new method that combines the advantages of optical flow and multi-kernel block matching...
April 20, 2017: Biomedical Engineering Online
https://www.readbyqxmd.com/read/28424882/effectiveness-of-dry-needling-and-high-volume-image-guided-injection-in-the-management-of-chronic-mid-portion-achilles-tendinopathy-in-adult-population-a-literature-review
#2
REVIEW
F A Chaudhry
Achilles tendinopathy is a common overuse condition affecting the adult population. The incidence is on the rise because of greater participation of people in recreational or competitive sporting activities. There are several treatment options available both non-operative and operative. Ultrasound-guided dry needling and high-volume image-guided injection is relatively a new procedure. The aim of this study was to find out the effectiveness of dry needling and HVIGI in the management of mid-portion chronic Achilles tendinopathy by performing a literature review...
April 19, 2017: European Journal of Orthopaedic Surgery & Traumatology: Orthopédie Traumatologie
https://www.readbyqxmd.com/read/28419543/aging-does-not-alter-tendon-mechanical-properties-during-homeostasis-but-does-impair-flexor-tendon-healing
#3
Jessica E Ackerman, Ibrahima Bah, Jennifer H Jonason, Mark R Buckley, Alayna E Loiselle
Aging is an important factor in disrupted homeostasis of many tissues. While an increased incidence of tendinopathy and tendon rupture are observed with aging, it is unclear whether this is due to progressive changes in tendon cell function and mechanics over time, or an impaired repair reaction from aged tendons in response to insult or injury. In the present study we examined changes in the mechanical properties of Flexor Digitorum Longus (FDL), Flexor Carpi Ulnaris (FCU), and tail fascicles in both male and female C57Bl/6 mice between 3-27 months of age to better understand the effects of sex and age on tendon homeostasis...
April 17, 2017: Journal of Orthopaedic Research: Official Publication of the Orthopaedic Research Society
https://www.readbyqxmd.com/read/28413894/isolated-gastrocnemius-recession-for-the-treatment-of-achilles-tendinopathy
#4
Kenneth S Smith, Caleb Jones, Zachariah Pinter, Ashish Shah
BACKGROUND: Various treatment modalities have been described for Achilles tendinopathy with varying degrees of success. The rationale for the gastrocnemius recession procedure is to decrease the mechanical overload of the Achilles tendon arising from an equinus contracture. METHODS: We retrospectively reviewed 25 patients who underwent an isolated gastrocnemius recession procedure at our institution between May 2013 and April 2015 by a single surgeon. Clinical outcome was evaluated on the basis of pain, utilizing visual analog scale (VAS) scores and the Foot Function Index (FFI) by telephonic interview...
April 1, 2017: Foot & Ankle Specialist
https://www.readbyqxmd.com/read/28412025/the-influence-of-chronic-il-6-exposure-in-vivo-on-rat-achilles-tendon-extracellular-matrix
#5
Mark S Katsma, Shivam H Patel, Erica Eldon, Kathryn A Corbell, Kevin L Shimkus, James D Fluckey, Chad C Carroll
When compared to placebo, acetaminophen (APAP) reduces tendon stiffness and collagen cross-linking. APAP also enhances the exercise-induced increase in peritendinous levels of IL-6. Elevated levels of IL-6 are associated with tendinopathy, thus we hypothesized that chronic, elevated peritendinous IL-6 would alter tendon extracellular matrix (ECM). IL-6 (∼3000pgml(-1)) was injected (3dwk(-1) for 8-wks) into the Achilles peritendinous region of male Wistar rats (n=16) with the opposite leg serving as a sham...
April 13, 2017: Cytokine
https://www.readbyqxmd.com/read/28410739/changes-in-tendon-spatial-frequency-parameters-with-loading
#6
Stephen J Pearson, Aaron J Engel, Gregory R Bashford
To examine and compare the loading related changes in micro-morphology of the patellar tendon. Fifteen healthy young males (age 19±3yrs, body mass 83±5kg) were utilised in a within subjects matched pairs design. B mode ultrasound images were taken in the sagittal plane of the patellar tendon at rest with the knee at 90° flexion. Repeat images were taken whilst the subjects were carrying out maximal voluntary isometric contractions. Spatial frequency parameters related to the tendon morphology were determined within regions of interest (ROI) from the B mode images at rest and during isometric contractions...
April 4, 2017: Journal of Biomechanics
https://www.readbyqxmd.com/read/28409510/combined-osteopathy-and-exercise-management-of-achilles-tendinopathy-in-an-athlete-a-case-report
#7
Georgia Ross, Chris Macfarlane, Brett Vaughan
Mid-portion Achilles tendinopathy is a common injury in sporting populations. There is conflicting evidence about the best approach to conservative management. This report focuses on the rehabilitation of an Achilles tendinopathy utilising osteopathic manual therapy (OMT) and a structured exercise program in a semi-professional volleyballer. The patient presented with a 4-month history of right mid-portion Achilles tendon pain that begun after a lateral inversion sprain of the right ankle. The primary complaint was pain impacting the patients vertical jump performance...
April 13, 2017: Journal of Sports Medicine and Physical Fitness
https://www.readbyqxmd.com/read/28407683/the-effects-of-high-glucose-on-tendon-derived-stem-cells-implications-of-the-pathogenesis-of-diabetic-tendon-disorders
#8
Yu-Cheng Lin, Ying-Juan Li, Yun-Feng Rui, Guang-Chun Dai, Liu Shi, Hong-Liang Xu, Ming Ni, Song Zhao, Hui Chen, Chen Wang, Gang Li, Gao-Jun Teng
Patients with diabetes are at great risk to suffer many musculoskeletal disorders, such as tendinopathy, tendon rupture and impaired tendon healing. However, the pathogenesis of these tendon disorders still remains unclear. In this study, we aimed to investigate the effects of high glucose on cell proliferation, cell apoptosis and tendon-related markers expression of tendon-derived stem cells (TDSCs) in vitro. These findings might provide new insights into the pathogenesis of diabetic tendon disorders. The cell proliferative ability and apoptosis rate of TDSCs in different groups were evaluated by MTT assay and Annexin V-FITC/PI staining assay...
March 14, 2017: Oncotarget
https://www.readbyqxmd.com/read/28396584/a-high-glucose-diet-affects-achilles-tendon-healing-in-rats
#9
Stefanie Korntner, Nadja Kunkel, Christine Lehner, Renate Gehwolf, Andrea Wagner, Peter Augat, Daniel Stephan, Verena Heu, Hans-Christian Bauer, Andreas Traweger, Herbert Tempfer
Chronic and acute tendinopathies are difficult to treat and tendon healing is generally a very slow and incomplete process and our general understanding of tendon biology and regeneration lags behind that of muscle or bone. Although still largely unexplored, several studies suggest a positive effect of nutritional interventions on tendon health and repair. With this study, we aim to reveal effects of a high-glucose diet on tendon neoformation in a non-diabetic rat model of Achilles tenotomy. After surgery animals received either a high-glucose diet or a control diet for 2 and 4 weeks, respectively...
April 10, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28391723/the-impact-of-patellar-tendinopathy-on-sports-and-work-performance-in-active-athletes
#10
Astrid J De Vries, Wendy Koolhaas, Johannes Zwerver, Ron L Diercks, Kari Nieuwenhuis, Henk Van Der Worp, Sandra Brouwer, Inge Van Den Akker-Scheek
Greater insight into sports and work performance of athletes with patellar tendinopathy (PT) will help establish the severity of this common overuse injury. Primary aim of this study is to investigate the impact of PT on sports and work performance. Seventy seven active athletes with PT (50 males; age 28.1 ± 8.2 years; Victorian Institute of Sports Assessment Patella 56.4 ± 12.3) participated in this survey. Sports performance, work ability and work productivity were assessed using the Oslo Sports Trauma Research Center overuse injury questionnaire, the single-item Work Ability Index and the Quantity and Quality questionnaire, respectively...
April 10, 2017: Research in Sports Medicine
https://www.readbyqxmd.com/read/28386400/neuropathic-pain-may-be-common-in-chronic-lower-limb-tendinopathy-a-prospective-cohort-study
#11
Patrick C Wheeler
BACKGROUND: To identify the prevalence of neuropathic pain, through the use of the painDETECT questionnaire, in a cohort of patients with chronic lower limb tendinopathy conditions. METHODS: Patients with chronic lower limb tendinopathy conditions treated within a Sport and Exercise Medicine hospital clinic were identified from clinical records. At the time of the clinical consultation, pain and painDETECT scores were recorded. RESULTS: In total, 282 suitable patients with chronic lower limb tendinopathy conditions were identified who had completed a painDETECT questionnaire...
February 2017: British Journal of Pain
https://www.readbyqxmd.com/read/28377711/commentary-role-of-vegf-nitric-oxide-and-sympathetic-neurotransmitters-in-the-pathogenesis-of-tendinopathy-a-review-of-the-current-evidences
#12
COMMENT
Benjamin J F Dean
No abstract text is available yet for this article.
2017: Frontiers in Aging Neuroscience
https://www.readbyqxmd.com/read/28376759/prognostic-value-of-mri-in-arthroscopic-treatment-of-chronic-patellar-tendinopathy-a-prospective-cohort-study
#13
Peter Ogon, Kaywan Izadpanah, Helge Eberbach, Gernot Lang, Norbert P Südkamp, Dirk Maier
BACKGROUND: To date, prognostic outcome factors for patients undergoing arthroscopic treatment due to chronic patellar tendinopathy (PT) are lacking. The purpose of this study was to investigate whether preoperatively assessed MRI parameters might be of prognostic value for prediction of functional outcome and return to sports in arthroscopic treatment of chronic PT. METHODS: A prospective cohort study was conducted including 30 cases (4 female and 24 male competitive athletes) undergoing arthroscopic patellar release (APR) due to chronic PT...
April 4, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/28369181/apoptosis-and-rotator-cuff-tears-scientific-evidence-from-basic-science-to-clinical-findings
#14
Leonardo Osti, Matteo Buda, Angelo Del Buono, Raffaella Osti, Leo Massari, Nicola Maffulli
Introduction: Excessive apoptosis has been hypothesized as possible cause of tendinopathy and tear in the tendons of the rotator cuff (RC). Different mechanisms and molecules play a key role in cell regulation. Biological interventions can affect the process of apoptosis to control the tendinopathy process, and may be useful to design new treatments. Source of data: We identified basic science, in vitro and in vivo preclinical and clinical studies listed in the Pubmed Google Scholar, CINAHL, Cochrane Central and Embase Biomedical databases in English, Spanish, Italian and French concerning the effects of apoptosis on RC tendons...
March 24, 2017: British Medical Bulletin
https://www.readbyqxmd.com/read/28366020/fluoroquinolone-associated-tendinopathy-of-the-hand-and-wrist-a-systematic-review-and-case-report
#15
Israel Berger, Isak Goodwin, Gregory M Buncke
BACKGROUND: Fluoroquinolone use has been known to be associated with tendinopathy and tendon rupture for over 30 years. Hand and wrist involvement has been reported rarely, yet without early recognition and withdrawal of the fluoroquinolone, there is potential for significant morbidity. METHODS: We searched Medline using a comprehensive search strategy for fluoroquinolones and tendinopathy of the hand and wrist, and provide a case report of a possible levofloxacin-related tendon rupture in a patient with a previous mutilating hand injury...
April 1, 2017: Hand: Official Journal of the American Association for Hand Surgery
https://www.readbyqxmd.com/read/28363148/beyond-the-tendon-experiences-and-perceptions-of-people-with-persistent-achilles-tendinopathy
#16
Sean Mc Auliffe, Aoife Synott, Hazel Casey, Karen Mc Creesh, Helen Purtill, Kieran O'Sullivan
BACKGROUND: Achilles tendinopathy (AT) is associated with persistent pain leading to a significant physical and psychological burden. Psychosocial factors are considered to be important mediators following exercise interventions. Despite the recognition of the importance of psychosocial variables in persistent MSK disorders, there is a distinct lack of qualitative research investigating psychosocial factors in AT. PURPOSE: To qualitatively explore the perceptions and experiences of people with AT prior to an intervention study...
March 23, 2017: Musculoskeletal Science & Practice
https://www.readbyqxmd.com/read/28358823/genome-wide-association-screens-for-achilles-tendon-and-acl-tears-and-tendinopathy
#17
Stuart K Kim, Thomas R Roos, Andrew K Roos, John P Kleimeyer, Marwa A Ahmed, Gabrielle T Goodlin, Michael Fredericson, John P A Ioannidis, Andrew L Avins, Jason L Dragoo
Achilles tendinopathy or rupture and anterior cruciate ligament (ACL) rupture are substantial injuries affecting athletes, associated with delayed recovery or inability to return to competition. To identify genetic markers that might be used to predict risk for these injuries, we performed genome-wide association screens for these injuries using data from the Genetic Epidemiology Research on Adult Health and Aging (GERA) cohort consisting of 102,979 individuals. We did not find any single nucleotide polymorphisms (SNPs) associated with either of these injuries with a p-value that was genome-wide significant (p<5x10-8)...
2017: PloS One
https://www.readbyqxmd.com/read/28355086/presence-of-bacteria-in-spontaneous-achilles-tendon-ruptures
#18
Christer G Rolf, Sai-Chuen Fu, Chelsea Hopkins, Ju Luan, Margaret Ip, Shu-Hang Yung, Göran Friman, Ling Qin, Kai-Ming Chan
BACKGROUND: The structural pathology of Achilles tendon (AT) ruptures resembles tendinopathy, but the causes remain unknown. Recently, a number of diseases were found to be attributed to bacterial infections, resulting in low-grade inflammation and progressive matrix disturbance. The authors speculate that spontaneous AT ruptures may also be influenced by the presence of bacteria. HYPOTHESIS: Bacteria are present in ruptured ATs but not in healthy tendons. STUDY DESIGN: Cross-sectional study; Level of evidence, 3...
March 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28353085/alterations-in-mechanical-properties-of-the-patellar-tendon-is-associated-with-pain-in-athletes-with-patellar-tendinopathy
#19
W C Lee, Z J Zhang, L Masci, G Y F Ng, Siu Ngor Fu
PURPOSE: To compare tendon strain and stiffness between athletes with patellar tendinopathy and healthy controls, and explore whether the intensity of pain and dysfunction were related to the mechanical properties of the tendon. METHODS: Thirty-four male athletes with patellar tendinopathy and 13 healthy controls matched by age and activity levels were recruited. The in vivo mechanical properties of the patellar tendon were examined by ultrasonography and dynamometry...
March 28, 2017: European Journal of Applied Physiology
https://www.readbyqxmd.com/read/28344444/distribution-of-platelet-rich-plasma-after-ultrasound-guided-injection-for-chronic-elbow-tendinopathies
#20
Gi-Young Park, Dong Rak Kwon, Hee Kyung Cho, Jinyoung Park, Jung Hyun Park
Characteristics of the spreads of platelet-rich plasma (PRP) are not widely known despite commonly use. This study aims to evaluate whether PRP stays within the injected area by using ultrasonography, to improve understanding of the spreads of intratendinous injected PRP. Thirty-nine patients (15 males, 24 females; mean age, 49.3 years), who had symptoms on their elbows (> 6 months) and diagnosed as lateral (25 elbows) or medial (14 elbows) tendinopathies of elbow, were included. The severity of tendon pathology was assessed by ultrasonography as tear or no tear...
March 2017: Journal of Sports Science & Medicine
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