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Achilles Tendinopathy

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14 papers 25 to 100 followers
https://www.readbyqxmd.com/read/23600756/relationship-between-neovascularization-and-clinical-severity-in-achilles-tendinopathy-in-556-paired-measurements
#1
S De Jonge, J L F Warnaars, R J De Vos, A Weir, H T M van Schie, S M A Bierma-Zeinstra, J A N Verhaar, J L Tol
Neovascularization is frequently observed in tendinopathy. Previous studies have focused on the role of neovascularization in Achilles tendinopathy, but have been conducted in small series. It is still unclear whether the degree of neovascularization is related to severity of symptoms. The purpose was to study the relationship between ultrasonographic neovascularization and clinical severity in patients with Achilles tendinopathy. In this prospective cohort study, data on 127 patients (141 tendons) were assembled from databases of three clinical trials...
October 2014: Scandinavian Journal of Medicine & Science in Sports
https://www.readbyqxmd.com/read/20427222/site-of-maximum-neovascularisation-correlates-with-the-site-of-pain-in-recalcitrant-mid-tendon-achilles-tendinopathy
#2
Kiran Divani, Otto Chan, Nat Padhiar, Richard Twycross-Lewis, Nicola Maffulli, Tom Crisp, Dylan Morrissey
BACKGROUND: Neovascularisation is associated with pain in Achilles tendinopathy (AT). The anatomical relationship between ultrasound (US)-defined indicators of tendinopathy and clinically determined pain sites has not been investigated. PURPOSE: To measure the spatial correlation between the sites of maximum palpated tenderness, site of patient-indicated pain, maximum US-determined neovascularisation and maximum antero-posterior tendon thickness in patients with chronic recalcitrant AT (CRAT)...
October 2010: Manual Therapy
https://www.readbyqxmd.com/read/26215492/in-vivo-measures-of-shear-wave-speed-as-a-predictor-of-tendon-elasticity-and-strength
#3
Jack A Martin, Adam H Biedrzycki, Kenneth S Lee, Ryan J DeWall, Sabrina H Brounts, William L Murphy, Mark D Markel, Darryl G Thelen
The purpose of this study was to assess the potential for ultrasound shear wave elastography (SWE) to measure tissue elasticity and ultimate stress in both intact and healing tendons. The lateral gastrocnemius (Achilles) tendons of 41 New Zealand white rabbits were surgically severed and repaired with growth factor coated sutures. SWE imaging was used to measure shear wave speed (SWS) in both the medial and lateral tendons pre-surgery, and at 2 and 4 wk post-surgery. Rabbits were euthanized at 4 wk, and both medial and lateral tendons underwent mechanical testing to failure...
October 2015: Ultrasound in Medicine & Biology
https://www.readbyqxmd.com/read/22017896/the-role-of-plantaris-longus-in-achilles-tendinopathy-a-biomechanical-study
#4
COMPARATIVE STUDY
F Lintz, A Higgs, M Millett, T Barton, M Raghuvanshi, M A Adams, I G Winson
BACKGROUND: The Plantaris Longus Tendon (PLT) may be implicated in Achilles (AT) tendinopathy. Different mechanical characteristics may be the cause. This study is designed to measure these. METHODS: Six PLT and six AT were harvested from frozen cadavers (aged 65-88). Samples were stretched to failure using a Minimat 2000™ (Rheometric Scientific Inc.). Force and elongation were recorded. Calculated tangent stiffness, failure stress and strain were obtained. Averaged mechanical properties were compared using paired, one-tailed t-tests...
December 2011: Foot and Ankle Surgery: Official Journal of the European Society of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/24735840/australian-football-players-achilles-tendons-respond-to-game-loads-within-2-days-an-ultrasound-tissue-characterisation-utc-study
#5
RANDOMIZED CONTROLLED TRIAL
Samuel D Rosengarten, Jill L Cook, Adam L Bryant, Justin T Cordy, John Daffy, Sean I Docking
BACKGROUND/AIM: The Achilles tendon is a tissue that responds to mechanical loads at a molecular and cellular level. In vitro and in vivo studies have shown that the expression of anabolic and/or catabolic proteins can change within hours of loading and return to baseline levels within 72 h. These biochemical changes have not been correlated with changes in whole tendon structure on imaging. We examined the nature and temporal sequence of changes in Achilles tendon structure in response to competitive game loads in elite Australian football players...
February 2015: British Journal of Sports Medicine
https://www.readbyqxmd.com/read/26032213/marked-innervation-but-also-signs-of-nerve-degeneration-in-between-the-achilles-and-plantaris-tendons-and-presence-of-innervation-within-the-plantaris-tendon-in-midportion-achilles-tendinopathy
#6
C Spang, V M Harandi, H Alfredson, S Forsgren
OBJECTIVES: The plantaris tendon is increasingly recognised as an important factor in midportion Achilles tendinopathy. Its innervation pattern is completely unknown. METHODS: Plantaris tendons (n=56) and associated peritendinous tissue from 46 patients with midportion Achilles tendinopathy and where the plantaris tendon was closely related to the Achilles tendon were evaluated. Morphological evaluations and stainings for nerve markers [general (PGP9.5), sensory (CGRP), sympathetic (TH)], glutamate NMDA receptor and Schwann cells (S-100β) were made...
June 2015: Journal of Musculoskeletal & Neuronal Interactions
https://www.readbyqxmd.com/read/25943892/achilles-tendon-structure-improves-on-utc-imaging-over-a-5-month-pre-season-in-elite-australian-football-players
#7
S I Docking, S D Rosengarten, J Cook
Pre-season injuries are common and may be due to a reintroduction of training loads. Tendons are sensitive to changes in load, making them vulnerable to injury in the pre-season. This study investigated changes in Achilles tendon structure on ultrasound tissue characterization (UTC) over the course of a 5-month pre-season in elite male Australian football players. Eighteen elite male Australian football players with no history of Achilles tendinopathy and normal Achilles tendons were recruited. The left Achilles tendon was scanned with UTC to quantify the stability of the echopattern...
May 2016: Scandinavian Journal of Medicine & Science in Sports
https://www.readbyqxmd.com/read/21628352/midportion-achilles-tendinosis-and-the-plantaris-tendon
#8
Håkan Alfredson
OBJECTIVES: When re-operating patients with midportion Achilles tendinosis, having had a poor effect of ultrasound (US) and Doppler-guided scraping, the author found the involvement of the plantaris tendon to be a likely reason for the poor result. The aim of this study was to investigate the occurrence of a plantaris tendon in close relation to the Achilles tendon in consecutive patients with midportion Achilles tendinosis undergoing treatment with US and Doppler-guided scraping. MATERIAL AND METHODS: This study includes 73 consecutive tendons with chronic painful midportion Achilles tendinosis, where US+Doppler examination showed thickening, irregular tendon structure, hypo-echoic regions, and localised high blood flow outside and inside the ventral Achilles midportion...
October 2011: British Journal of Sports Medicine
https://www.readbyqxmd.com/read/21349878/ultrasound-and-doppler-guided-mini-surgery-to-treat-midportion-achilles-tendinosis-results-of-a-large-material-and-a-randomised-study-comparing-two-scraping-techniques
#9
RANDOMIZED CONTROLLED TRIAL
Håkan Alfredson
BACKGROUND: Treatment based on ultrasound (US) and colour Doppler (CD) findings in midportion Achilles tendinosis has shown promising results. In a randomised study on a small patient material, similar short-term clinical results were demonstrated with surgery outside the tendon and sclerosing polidocanol injections, but surgical treatment led to a faster return to activity. OBJECTIVE: To evaluate the clinical results of US and CD-guided mini-surgery (scraping) outside the ventral tendon in a larger patient material and, in a randomised study, compare two different techniques for surgical scraping...
April 2011: British Journal of Sports Medicine
https://www.readbyqxmd.com/read/20119832/ultrasound-guided-treatments-for-chronic-achilles-tendinopathy-an-update-and-current-status
#10
REVIEW
Nevin T Wijesekera, Ne Siang Chew, Justin C Lee, Adam W Mitchell, James D Calder, Jeremiah C Healy
Minimally-invasive treatments for chronic Achilles tendinopathy may prevent the need for surgery when conservative methods have failed. Whilst injections have traditionally been used to manage symptoms, recently described therapies may also have disease-modifying potential. Ultrasound provides the ability to guide therapeutic interventions, ensuring that treatment is delivered to the exact site of pathology. Treatments can be broadly categorised according to their intended therapeutic targets, although some may act through several possible mechanisms...
May 2010: Skeletal Radiology
https://www.readbyqxmd.com/read/24366015/comparing-prp-injections-with-eswt-for-athletes-with-chronic-patellar-tendinopathy
#11
COMMENT
Jay Smith, Jacob L Sellon
OBJECTIVE: To compare the effectiveness of injections of platelet-rich plasma (PRP) compared with focused extracorporeal shock-wave therapy (ESWT) among athletes with chronic patellar tendinopathy (jumper's knee). DESIGN: Randomized controlled single-center trial, with 12 months of follow-up. SETTING: Tertiary-level care in Rome, Italy. Patients were recruited from January 2009 to May 2011. PARTICIPANTS: Patients who received a diagnosis of jumper's knee from a participating physician were recruited into the study (n = 46)...
January 2014: Clinical Journal of Sport Medicine: Official Journal of the Canadian Academy of Sport Medicine
https://www.readbyqxmd.com/read/25108348/effectiveness-of-orthotic-devices-in-the-treatment-of-achilles-tendinopathy-a-systematic-review
#12
REVIEW
Lisa A Scott, Shannon E Munteanu, Hylton B Menz
Orthotic devices such as foot orthoses, splints, taping and bracing are recommended for Achilles tendinopathy (AT). This systematic review was conducted to review the current evidence for the effectiveness of orthotic devices for the treatment of mid-portion or insertional AT. Electronic bibliographic databases (MEDLINE, EMBASE, Current Contents, CINAHL and SPORTDiscus) were searched in May 2014. The methodological quality of included studies was evaluated using the Quality Index. Where possible, effects were determined using standardised mean differences...
January 2015: Sports Medicine
https://www.readbyqxmd.com/read/25246441/effectiveness-of-customised-foot-orthoses-for-achilles-tendinopathy-a-randomised-controlled-trial
#13
RANDOMIZED CONTROLLED TRIAL
Shannon E Munteanu, Lisa A Scott, Daniel R Bonanno, Karl B Landorf, Tania Pizzari, Jill L Cook, Hylton B Menz
AIM: To evaluate the effectiveness of customised foot orthoses in chronic mid-portion Achilles tendinopathy. METHODS: This was a participant-blinded, parallel-group randomised controlled trial at a single centre (La Trobe University, Melbourne, Australia). One hundred and forty participants aged 18-55 years with mid-portion Achilles tendinopathy were randomised to receive eccentric calf muscle exercises with either customised foot orthoses (intervention group) or sham foot orthoses (control group)...
August 2015: British Journal of Sports Medicine
https://www.readbyqxmd.com/read/23006143/conservative-management-of-midportion-achilles-tendinopathy-a-mixed-methods-study-integrating-systematic-review-and-clinical-reasoning
#14
REVIEW
Victoria Rowe, Stephanie Hemmings, Christian Barton, Peter Malliaras, Nicola Maffulli, Dylan Morrissey
BACKGROUND: Clinicians manage midportion Achilles tendinopathy (AT) using complex clinical reasoning underpinned by a rapidly developing evidence base. OBJECTIVES: The objectives of the study were to develop an inclusive, accessible review of the literature in combination with an account of expert therapists' related clinical reasoning to guide clinical practice and future research. METHODS: Searches of the electronic databases, PubMed, ISI Web of Science, PEDro, CINAHL, EMBASE, and Google Scholar were conducted for all papers published from inception to November 2011...
November 1, 2012: Sports Medicine
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