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Tania E Sakanaka, Jaspret Gill, Martin D Lakie, Raymond F Reynolds
Individuals may stand with a range of ankle angles. Furthermore, shoes or floor surfaces may elevate or depress their heels. Here we ask how these situations impact ankle stiffness and balance. We performed two studies (each with 10 participants) in which the triceps surae, Achilles tendon and aponeurosis were stretched either passively, by rotating the support surface, or actively by leaning forward. Participants stood freely on footplates which could rotate around the ankle joint axis. Brief, small stiffness-measuring perturbations (<0...
2018: PloS One
Alison N Agres, Tobias J Gehlen, Adamantios Arampatzis, William R Taylor, Georg N Duda, Sebastian Manegold
BACKGROUND: Although early functional rehabilitation (EFR) has been suggested to yield rapid functional recovery after Achilles tendon rupture (ATR) compared to conventional rehabilitation (CR), most quantitative assessments occur long after rehabilitation has been completed. Few data exist regarding the short-term functional gains during the healing period post-ATR. It remains unclear if EFR allows for an objectively faster return to function. The aim of this study was to examine EFR's effect on gait, plantarflexor strength, and tendon properties in early post-operative follow-ups...
March 5, 2018: Gait & Posture
Achille Aouba, Solange Gonzalez Chiappe, Mireille Eb, Claire Delmas, Hubert de Boysson, Boris Bienvenu, Grégoire Rey, Alfred Mahr
Objectives: Comprehensive analyses of cause-specific death patterns in GCA are sparse. We studied the patterns and time trends in GCA-related mortality using a large death certificate database. Methods; We obtained multiple-cause-of-death data from the French national death certificate database for 1980-2011. GCA-associated deaths were defined as decedents ⩾55 years old with GCA listed as an underlying or non-underlying cause of death. Time trends of death rates were analysed and the mean age at death with GCA and in the general population ⩾55 years old were calculated...
March 14, 2018: Rheumatology
Daniel J Liechti, Gilbert Moatshe, Jonathon D Backus, Daniel Cole Marchetti, Thomas O Clanton
Achilles tendon ruptures are a common tendon injury, usually occurring in middle-aged men during recreational sporting activities. Both nonoperative and operative management are employed to treat these injuries. Several operative treatments are described in the literature, including percutaneous Achilles repair, mini-open repair, and open repair. Open Achilles repair is associated with higher rates of impaired wound healing and infection, whereas minimally invasive techniques have been reported to have an increased risk of iatrogenic sural nerve injury...
February 2018: Arthroscopy Techniques
Johannes Möst
No abstract text is available yet for this article.
February 17, 2018: Chinese Journal of Traumatology, Zhonghua Chuang Shang za Zhi
Ikponmwonsa Ogbonmwan, Bhavesh D Kumar, Bruce Paton
BACKGROUND: Variations in lower-limb biomechanics have recurrently been associated as aetiological factors for Achilles tendinopathy. OBJECTIVE: To update a previous systematic review examining lower-limb gait biomechanics in Achilles tendinopathy. DESIGN: Systematic Review. DATA SOURCES: MEDLINE, EMBASE, CINAHL PLUS, SPORTDiscus and PUBMED databases searched from inception to May 2016. ELIGIBILITY CRITERIA FOR SELECTING STUDIES: Studies investigating adults with Achilles tendinopathy and lower-limb gait biomechanics including kinematics, kinetics, dynamic plantar-pressures, temporospatial parameters and muscle activity...
March 8, 2018: Gait & Posture
Bhaskar K Somani, Ben Van Cleynenbreugel, Ali Gozen, Jaun Palou, Sas Barmoshe, Shekhar Biyani, Josep M Gaya, Giles Hellawell, Gio Pini, Faba R Oscar, Rafael Sanchez Salas, Petr Macek, Andreas Skolarikos, Christian Wagner, Viktor Eret, Stephen Haensel, Giampaolo Siena, Marek Schmidt, Max Klitsch, Stepan Vesely, Achilles Ploumidis, Silvia Proietti, Guido Kamphuis, Theodore Tokas, Rob Geraghty, Dominico Veneziano
BACKGROUND: The European School of Urology (ESU) started the European Urology Residents Education Programme (EUREP) in 2003 for final year urology residents, with hands-on training (HOT) added later in 2007. OBJECTIVE: To assess the geographical reach of EUREP, trainee demographics, and individual quality feedback in relation to annual methodology improvements in HOT. DESIGN, SETTING, AND PARTICIPANTS: From September 2014 to October 2017 (four EUREP courses) several new features have been applied to the HOT format of the EUREP course: 1:1 training sessions (2015), fixed 60-min time slots (2016), and standardised teaching methodology (2017)...
March 14, 2018: European Urology Focus
Kevin D Martin, Jeffrey Wake, Laura Dawson, J Preston Van Buren
Background: The prevalence of Achilles tendon (AT) pathology is common and can result in disability. Understanding normal AT properties can improve our ability to prevent AT injuries. We examined the cross-sectional area of the AT at multiple levels in an asymptomatic population of Army Rangers. Methods: This is a prospective cohort study composed of 41 voluntarily recruited United States Army Rangers deployed in a combat theater. All subjects were members of the Ranger Regiment participating in more than 20 h of intense bipedal non-sport weekly training with no history of AT pathology...
March 14, 2018: Military Medicine
Siwei Chen, Ganming Deng, Kaiqun Li, Haonan Zheng, Gang Wang, Bin Yu, Kairui Zhang
BACKGROUND Previous studies demonstrated that tendon-derived stem cells (TDSCs) were vital healing cells and that mRNA expression of anti-inflammatory cytokine IL-6 was significantly upregulated in injured tendons. The aim of the present study was to investigate the effects of IL-6 on the TDSCs in vitro. MATERIAL AND METHODS TDSCs isolated from the Achilles tendons in SD rats were co-cultured with various concentrations of IL-6. Cell proliferation, cell cycle analysis, quantitative real-time PCR, western blotting analysis, and statistical analysis were used in the study...
March 16, 2018: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
Bhavik N Patel, Alfredo Farjat, Christoph Schabel, Petar Duvnjak, Achille Mileto, Juan Carlos Ramirez-Giraldo, Daniele Marin
OBJECTIVE: The purpose of this study was to determine in vitro and in vivo the optimal threshold for renal lesion vascularity at low-energy (40-60 keV) virtual monoenergetic imaging. MATERIALS AND METHODS: A rod simulating unenhanced renal parenchymal attenuation (35 HU) was fitted with a syringe containing water. Three iodinated solutions (0.38, 0.57, and 0.76 mg I/mL) were inserted into another rod that simulated enhanced renal parenchyma (180 HU). Rods were inserted into cylindric phantoms of three different body sizes and scanned with single- and dual-energy MDCT...
March 16, 2018: AJR. American Journal of Roentgenology
Maroua Eid, Olivier Fouquet, Cédric Darreau, Marc Pierrot, Achille Kouatchet, Alain Mercat, Christophe Baufreton
INTRODUCTION: Necrotizing fasciitis represents a life-threatening infectious condition that causes spreading necrotisis of superficial fascia and subcutaneous cellular tissues. We describe the case of a patient diagnosed with septic and toxic shocks leading to multiple organ failure successfully treated with a combination of extracorporeal life support, continuous renal replacement therapy, and a hemoadsorption device. METHODS: A 41-year-old patient presented with necrotizing fasciitis and multi-organ failure...
March 2018: International Journal of Artificial Organs
Kristina Stanković, Brian G Booth, Femke Danckaers, Fien Burg, Philippe Vermaelen, Saartje Duerinck, Jan Sijbers, Toon Huysmans
Background: Foot morphology has received increasing attention from both biomechanics researches and footwear manufacturers. Usually, the morphology of the foot is quantified by 2D footprints. However, footprint quantification ignores the foot's vertical dimension and hence, does not allow accurate quantification of complex 3D foot shape. Methods: The shape variation of healthy 3D feet in a population of 31 adult women and 31 adult men who live in Belgium was studied using geometric morphometric methods...
2018: Journal of Foot and Ankle Research
Adegbenro Omotuyi John Fakoya, David Adeiza Otohinoyi, Francis Adelade Fakoya
Background: Most studies have focused on ill-tendons with a little insight on how intrinsic factors correlate with the Achilles tendon (AT) morphology. Aim: This study aims at establishing how blood pressure (BP), blood glucose (BG), and body mass index (BMI) correlate with the morphology of the AT with emphasis on width changes. Materials and Methods: Participants were volunteers who were recruited during and after an organized health fair by the Medical Students' body of All Saints University, School of Medicine, Commonwealth of Dominica...
April 2018: Annals of African Medicine
Cheng-Lin Wang, Kai-Xue Cao, Jun-Zhong Yang
OBJECTIVE: To investigate the clinical effect of a new bundle-to-bundle suturing method for acute Achilles tendon rupture. METHODS: From April 2013 to January 2015, 15 patients with acute Achilles tendon rupture were treated with a new bundle-to-bundle suturing method including 12 males and 3 females with an average age of 37.5 years old ranging from 27 to 56 years old. All of them were immobilized by cast for 6 weeks on the underlying limbs, and were educated for a rehabilitation training during the follow-up...
February 25, 2018: Zhongguo Gu Shang, China Journal of Orthopaedics and Traumatology
Chandong Jeong, Sung Eun Kim, Kyu-Sik Shim, Hak-Jun Kim, Mi Hyun Song, Kyeongsoon Park, Hae-Ryong Song
Tendon rupture induces an inflammatory response characterized by release of pro-inflammatory cytokines and impaired tendon performance. This study sought to investigate the therapeutic effects of simvastatin-loaded porous microspheres (SIM/PMSs) on inflamed tenocytes in vitro and collagenase-induced Achilles tendinitis in vivo. The treatment of SIM/PMSs in lipopolysaccharide (LPS)-treated tenocytes reduced the mRNA expressions of pro-inflammatory cytokines (Matrix metalloproteinase-3 ( MMP-3 ), cyclooxygenase-2 ( COX-2 ), interleukin-6 ( IL-6 ), and tumor necrosis factor-α ( TNF-α ))...
March 12, 2018: International Journal of Molecular Sciences
Ryuta Kinugasa, Keigo Taniguchi, Naoto Yamamura, Mineko Fujimiya, Masaki Katayose, Shu Takagi, V Reggie Edgerton, Shantanu Sinha
The in vitro unconstrained Achilles tendon is nearly straight, while in vivo experiments reveal that the proximal region of the Achilles tendon, adjacent to Kager's fat pad, bends ventrally during plantarflexion but remains nearly straight during dorsiflexion. Tendon bending is an important factor in determining the displacement of the foot compared to the shortening of the muscle fibers. The objective of this study was to elucidate the various mechanisms that could cause tendon bending, which currently remain unknown...
March 12, 2018: Scientific Reports
Rachel Flink-Bochacki, Megan E Hamm, Sonya Borrero, Beatrice A Chen, Sharon L Achilles, Judy C Chang
OBJECTIVE: To explore initial pregnancy intentions and postmiscarriage family planning needs and counseling preferences of women experiencing spontaneous abortion. METHODS: We conducted semistructured qualitative interviews with women who recently experienced spontaneous abortion to explore their feelings about conception, pregnancy, and miscarriage; their future family planning goals; and contraceptive counseling preferences. Two trained coders utilized an inductive, iterative approach to code transcripts and identify themes using Atlas...
March 8, 2018: Obstetrics and Gynecology
Meletis Rozis, Ioannis Benetos, Panagiotis Karampinas, Vasilios Polyzois, John Vlamis, Spyros Pneumaticos
BACKGROUND: Conservative treatment of an acute Achilles rupture remains a viable and acceptable option as does surgical fixation, with open and percutaneous repair consisting the main operative techniques. The purpose of this study was to compare the outcomes and complication rates of open versus percutaneous surgical procedures. METHODS: From 2009 to 2016, 131 patients were admitted to our department with clinically and radiologically confirmed acute Achilles tendon ruptures...
March 1, 2018: Foot & Ankle International
Emilio Wagner, Pablo Wagner, Diego Zanolli, Rubén Radkievich, Gunther Redenz, Rodrigo Guzman
BACKGROUND: Tibialis posterior tendon transfer is performed when loss of dorsiflexion has to be compensated. We evaluated the circumtibial (CT), above-retinaculum transmembranous (TMAR), and under-retinaculum transmembranous (TMUR) transfer gliding resistance and foot kinematics in a cadaveric foot model during ankle range of motion (ROM). METHODS: Eight cadaveric foot-ankle distal tibia specimens were dissected free of soft tissues on the proximal end, applying an equivalent force to 50% of the stance phase to every tendon, except for the Achilles tendon...
March 1, 2018: Foot & Ankle International
James Watson, Robert M Barker-Davies, Alexander N Bennett, Daniel T P Fong, Patrick C Wheeler, Mark Lewis, Craig Ranson
Objective: Several lower limb tendinopathy treatment modalities involve identification of pathological paratendinous or intratendinous neovascularisation to target proposed co-location of painful neoneuralisation. The ability to reliably locate and assess the degree of neovascularity is therefore clinically important. The Modified Ohberg Score (MOS) is frequently used to determine degree of neovascularity, but reliability has yet to be established among Sport and Exercise Medicine (SEM) consultants...
2018: BMJ Open Sport & Exercise Medicine
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