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Achilles tendon repair

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https://www.readbyqxmd.com/read/28299842/electroacupuncture-promotes-cns-dependent-release-of-mesenchymal-stem-cells
#1
Tatiana E Salazar, Matthew R Richardson, Eleni Beli, Matthew S Ripsch, John George, Youngsook Kim, Yaqian Duan, Leni Moldovan, Yuanqing Yan, Ashay Bhatwadekar, Vaishnavi Jadhav, Jared A Smith, Susan McGorray, Alicia L Bertone, Dmitri O Traktuev, Keith L March, Luis M Colon-Perez, Keith Avin, Emily Sims, Julie A Mund, Jamie Case, Shaolin Deng, Min Su Kim, Bruce McDavitt, Michael E Boulton, Jeffrey Thinschmidt, Sergio Li Calzi, Stephanie D Fitz, Robyn K Fuchs, Stuart J Warden, Todd McKinley, Anantha Shekhar, Marcelo Febo, Phillip L Johnson, Lung Ji Chang, Zhanguo Gao, Mikhail G Kolonin, Song Lai, Jinfeng Ma, Xinzhong Dong, Fletcher A White, Huisheng Xie, Mervin C Yoder, Maria B Grant
Electro-acupuncture (EA) performed in rats and humans using front-limb acupuncture sites, LI-4 and LI-11, and Du-14 and Du-20 increased functional connectivity between the anterior hypothalamus and the amygdala and mobilized mesenchymal stem cells (MSC) into the systemic circulation. In human subjects, the source of the MSC was found to be primarily adipose tissue whereas in rodents the tissue sources were considered more heterogeneous. Pharmacological disinhibition of rat hypothalamus enhanced sympathetic nervous system (SNS) activation and similarly resulted in a release of MSC into the circulation...
March 16, 2017: Stem Cells
https://www.readbyqxmd.com/read/28299456/interlocking-horizontal-mattress-suture-versus-kakiuchi-technique-in-repair-of-achilles-tendon-rupture-a-biomechanical-study
#2
Matteo Guzzini, Riccardo Maria Lanzetti, Lorenzo Proietti, Daniele Mazza, Mattia Fabbri, Edoardo Monaco, Germano Ferri, Andrea Ferretti
BACKGROUND: In recent years, the type of surgical treatment for Achilles tendon rupture has been the subject of controversial debate. This biomechanical study evaluates for the first time in literature the ultimate failure load (UFL) of interlocking horizontal mattress (IHM) suture as compared with Kakiuchi suture in Achilles tendon rupture. The hypothesis is that IHM suture can be performed also for Achilles tendon rupture and ensures higher resistance compared with the traditional Kakiuchi suture...
March 15, 2017: Journal of Orthopaedics and Traumatology: Official Journal of the Italian Society of Orthopaedics and Traumatology
https://www.readbyqxmd.com/read/28289610/effect-of-basic-fibroblast-growth-factor-on-achilles-tendon-healing-in-rabbit
#3
Arash Najafbeygi, Mohammad Javad Fatemi, Amir Hussein Lebaschi, Seyed Jaber Mousavi, Seyed Abouzar Husseini, Mitra Niazi
BACKGROUND: Tendon injuries are common and it takes a long time for an injured tendon to heal. Adverse phenomena such as adhesion and rupture are associated with these injuries. Finding a method to reduce the time required for healing which improves the final outcome, will lead to decreased frequency and intensity of adverse consequences. This study was designed to investigate the effects of basic fibroblast growth factor on the healing of the Achilles tendon in rabbits. METHODS: In 10 New Zealand white rabbits, Achilles tendon was cut at the intersection of the distal and middle thirds on both hind legs...
January 2017: World Journal of Plastic Surgery
https://www.readbyqxmd.com/read/28288878/outcomes-and-complications-of-percutaneous-versus-open-repair-of-acute-achilles-tendon-rupture-a-meta-analysis
#4
REVIEW
Bo Yang, Yang Liu, Shunli Kan, Di Zhang, Hong Xu, Feifei Liu, Guangzhi Ning, Shiqing Feng
BACKGROUND: Acute Achilles tendon rupture (AATR) is a frequent injury occurring dominantly in young to middle-aged males. Outcomes and complications between percutaneous and open repair are still controversial. Thus, the purpose of this meta-analysis is to evaluate the outcomes and complications of these two operative methods. MATERIALS AND METHODS: We searched multiple databases: PubMed, Web of Science, EMBASE and the Cochrane Library up to October 2016. Two reviewers independently screened the studies for eligibility, evaluated the quality and extracted data from eligible studies, with confirmation by cross-checking...
March 11, 2017: International Journal of Surgery
https://www.readbyqxmd.com/read/28257679/repair-of-neglected-achilles-rupture
#5
REVIEW
Bradly W Bussewitz
Acute Achilles tendon ruptures is routinely missed or undertreated, leading to functional deficits. The neglected Achilles ruptures often requires surgical repair to regain functional improvement. The tendon retraction and resultant necessary debridement of the rupture site leads to difficulty completing end-to-end repair. Advanced techniques, including fascial advancements, tendon transfers, and use of allografts, allow the treating surgeon many viable repair options for the neglected Achilles presentation...
April 2017: Clinics in Podiatric Medicine and Surgery
https://www.readbyqxmd.com/read/28257678/acute-achilles-rupture-percutaneous-repair-approach-materials-techniques
#6
REVIEW
Jason George DeVries, Brandon M Scharer, Benjamin J Summerhays
Closed traumatic Achilles tendon rupture is a common injury, especially in the aging athlete. Traditionally open repair has been recognized to offer a lower rerupture rate compared with nonoperative methods but with a higher complication rate. Percutaneous repair has been described to offer the benefits of open repair while avoiding the complications. The sural nerve is potentially susceptible to injury, and specialized instrumentation has been developed to avoid this event. This article discusses several techniques of minimally invasive Achilles tendon repair...
April 2017: Clinics in Podiatric Medicine and Surgery
https://www.readbyqxmd.com/read/28257677/acute-rupture-open-repair-techniques
#7
REVIEW
Robert D Santrock, Andrew J Friedmann, Andrew E Hanselman
Achilles tendon injuries can be serious injuries requiring either operative or nonoperative management. For appropriate surgical candidates, operative intervention may provide lower rerupture rates and adequate end-to-end tendon healing. Our preference is an open Achilles tendon repair, specifically a limited open technique using the PARS device (Arthrex, Naples, FL). Postoperatively, we use functional rehabilitation and early range of motion. Although the current literature remains controversial regarding operative versus nonoperative management, the authors have obtained satisfactory results in appropriately chosen surgical candidates...
April 2017: Clinics in Podiatric Medicine and Surgery
https://www.readbyqxmd.com/read/28257673/midsubstance-tendinopathy-surgical-management
#8
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/28222622/management-of-acute-achilles-tendon-rupture-with-tendon-bundle-technique
#9
Chun-Guang Li, Bing Li, Yun-Feng Yang
Objective * These authors contributed equally to this work. To explore tendon-bundle technique for treating Achilles tendon rupture with no defects. Methods Patients with full unilateral Achilles tendon rupture with no defects were included. The Achilles tendon medial edge surgical repair approach was used, revealing horsetail-like rupture bundles. Tendon bundles were anatomically realigned and repaired end-to-end using 5-0 sutures. Patients were followed-up for 1 year, and assessed for differences between the repaired versus healthy limb...
February 2017: Journal of International Medical Research
https://www.readbyqxmd.com/read/28208087/morphomechanical-alterations-in-the-medial-gastrocnemius-muscle-in-patients-with-a-repaired-achilles-tendon-associations-with-outcome-measures
#10
Wei-Chen Peng, Yi-Ping Chang, Yuan-Hung Chao, S N Fu, Christer Rolf, Tiffany Tf Shih, Sheng-Chu Su, Hsing-Kuo Wang
BACKGROUND: Functional deficits are found in ankles that have sustained an Achilles rupture. This study sought to evaluate and compare the morphomechanical characteristics of the medial gastrocnemius muscle in the legs of participants within six months of a unilateral Achilles repair to determine any correlations between those characteristics and objective outcomes and self-reported functional levels. METHODS: Fifteen participants were assessed via measurements of muscle morphologies (fascicle length, pennation angle, and muscle thickness) in a resting state, the mechanical properties of the proximal aponeurosis of the medial gastrocnemius muscle, the pennation angle during ramping maximal voluntary isometric contractions (MVIC), the heel raise test, and the Taiwan Chinese version of the Lower Extremity Functional Scale (LEFS-TC) questionnaire...
February 8, 2017: Clinical Biomechanics
https://www.readbyqxmd.com/read/28203592/suture-only-repair-versus-suture-anchor-augmented-repair-for-achilles-tendon-ruptures-with-a-short-distal-stump-a-biomechanical-comparison
#11
Michael A Boin, Matthew A Dorweiler, Christopher J McMellen, Gregory C Gould, Richard T Laughlin
BACKGROUND: Chronic noninsertional Achilles tendinosis can result in an acute Achilles tendon rupture with a short distal stump. In such tendon ruptures, there is a limited amount of adequate tissue that can hold suture, thus presenting a challenge for surgeons who elect to treat the rupture operatively. HYPOTHESIS: Adding suture anchors to the repair construct may result in biomechanically stronger repairs compared with a suture-only technique. STUDY DESIGN: Controlled laboratory study...
January 2017: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/28182827/chronic-achilles-tendon-rupture-treated-with-allograft-a-case-report
#12
Giuseppe Restuccia, Alessandro Lippi, Francesco Casella, Carmine Citarelli, Federico Sacchetti, Maurizio Benifei
In clinical practice, chronic Achilles tendon ruptures are uncommon. Usually, these lesions are discovered four to six weeks after injuries. More frequently, Achilles tendon ruptures are acute and treated with tendon sutures.1 Many surgical techniques are available to treat chronic lesions such as sutures or V-Y elongation with or without augments.2-3 Our case is about a chronic Achilles tendon rupture discovered two years after injury. Our patient came to our attention with a 6 cm tendon gap. We performed tendon repair with cadaver allograft...
February 7, 2017: Surgical Technology International
https://www.readbyqxmd.com/read/28171797/efficacy-of-repair-techniques-of-the-achilles-tendon-a-meta-analysis-of-human-cadaveric-biomechanical-studies
#13
REVIEW
Kaissar Yammine, Chahine Assi
PURPOSE: Achilles injuries are very common, mainly among young athletes. When indicated, the surgical treatment aims for strong repairs that can resist distraction and consequently ruptures. The majority of the published clinical meta-analyses reported comparisons between broad treatment modalities such as conservative treatment, open, and minimally invasive surgery. METHODS: A meta-analysis has been conducted to assess further clinical and biomechanical variables on human cadavers related to the efficacy of Achilles repair...
January 28, 2017: Foot
https://www.readbyqxmd.com/read/28170430/efficient-decellularization-for-tissue-engineering-of-the-tendon-bone-interface-with-preservation-of-biomechanics
#14
Kai Xu, Lara A Kuntz, Peter Foehr, Katharina Kuempel, Alexandra Wagner, Jutta Tuebel, Constantin V Deimling, Rainer H Burgkart
Interfaces between tendon/ligament and bone ("entheses") are highly specialized tissues that allow for stress transfer between mechanically dissimilar materials. Entheses show very low regenerative capacity resulting in high incidences of failure after surgical repair. Tissue engineering is a promising approach to recover functionality of entheses. Here, we established a protocol to decellularize porcine entheses as scaffolds for enthesis tissue engineering. Chemical detergents as well as physical treatments were investigated with regard to their efficiency to decellularize 2 mm thick porcine Achilles tendon entheses...
2017: PloS One
https://www.readbyqxmd.com/read/28127650/primary-surgical-repair-of-acute-achilles-tendon-rupture-comparative-results-of-three-surgical-techniques
#15
Dragan Lonzarić, Aleksandar Kruščić, Dejan Dinevski, Petra Povalej Bržan, Breda Jesenšek Papež
PURPOSE: To determine which of the three surgical techniques for acute unilateral complete rupture of Achilles tendons in use at the University Clinical Centre Maribor gives the best short-term functional results. METHODS: In the retrospective analysis of the results of 3 surgical techniques, 262 patients of which 244 (93.1%) were men (mean age 41.6 ± 10.0 years, range 21.5-83.0 years) operated on during the period from 2000 to 2008 were included. Group A (open technique with fascial augmentation) included 42 (16%) patients, group B (original modification of percutaneous suturing according to Čretnik and Kosanović) included 159 (60...
January 26, 2017: Wiener Klinische Wochenschrift
https://www.readbyqxmd.com/read/28122008/compromised-neurotrophic-and-angiogenic-regenerative-capability-during-tendon-healing-in-a-rat-model-of-type-ii-diabetes
#16
Aisha S Ahmed, Jian Li, Alim M D Abdul, Mahmood Ahmed, Claes-Göran Östenson, Paul T Salo, Carolyn Hewitt, David A Hart, Paul W Ackermann
Metabolic diseases such as diabetes mellitus type-II (DM-II) may increase the risk of suffering painful connective tissue disorders and tendon ruptures. The pathomechanisms, however, by which diabetes adversely affects connective tissue matrix metabolism and regeneration, still need better definition. Our aim was to study the effect of DM-II on expressional changes of neuro- and angiotrophic mediators and receptors in intact and healing Achilles tendon. The right Achilles tendon was transected in 5 male DM-II Goto-Kakizaki (GK) and 4 age-matched Wistar control rats...
2017: PloS One
https://www.readbyqxmd.com/read/28088379/outcome-following-use-of-the-achillon-jig-for-the-repair-of-acutely-ruptured-achilles-tendons
#17
Howard Davies, Yuvraj Agrawal, Chris Blundell, Mark B Davies
We report a series of 143 patients who underwent limited open Achilles tendon repair using the Achillon device at a mean follow-up of 25 months. All patients attending our institution with a diagnosis of acute Achilles tendon rupture were considered for operative repair using the Achillon jig unless they declined surgery or met the exclusion criteria. Following surgery patients were contacted and asked to complete an Achilles Tendon Rupture Score (ATRS). The clinical records were reviewed for evidence of complications, demographic information and evidence of re-rupture...
January 9, 2017: Injury
https://www.readbyqxmd.com/read/28088376/how-early-must-an-acute-achilles-tendon-rupture-be-repaired
#18
Young Hwan Park, Seong Min Jeong, Gi Won Choi, Hak Jun Kim
An acute Achilles tendon rupture is the most common tendon rupture of the lower extremities, yet the optimal timing for an early surgical repair is unclear. To identify the optimal time for an early surgical repair with favorable results, we evaluated the isokinetic muscle strength and clinical outcomes of early surgical repairs of acute Achilles tendon ruptures performed at different time points after injury. Between January 2011 and July 2015, a total of 65 patients underwent an acute Achilles tendon rupture repair within 1 week after injury...
January 9, 2017: Injury
https://www.readbyqxmd.com/read/28072901/achilles-tendon-repair-using-the-internalbrace%C3%A2-principle
#19
Graeme P Hopper, Gordon M Mackay
Despite extensive research, the management of acute ruptures of the Achilles tendon remains an area of controversy, and there is no consensus regarding the optimal treatment. An InternalBrace™ (Arthrex, Inc., Naples, Florida) is a ligament augmentation repair using high strength sutures/tape and knotless bone anchors which encourages healing and allows early mobilization. This article describes, with video illustration, a knotless Achilles tendon repair technique using the InternalBrace™ principle.
January 10, 2017: Surgical Technology International
https://www.readbyqxmd.com/read/28054658/early-functional-rehabilitation-versus-traditional-immobilization-for-surgical-achilles-tendon-repair-after-acute-rupture-a-systematic-review-of-overlapping-meta-analyses
#20
Jia-Guo Zhao, Xiao-Hui Meng, Lin Liu, Xian-Tie Zeng, Shi-Lian Kan
Several meta-analyses comparing early functional rehabilitation and traditional immobilization following surgical Achilles tendon repair after acute rupture have been published. However, they have led to conflicting conclusions. The aims of this systematic review were to select high-quality meta-analyses from multiple discordant meta-analyses and to provide a postoperative rehabilitation strategy following surgical repair using currently available evidence. We performed a comprehensive search using the PubMed and Embase databases and the Cochrane Library...
January 5, 2017: Scientific Reports
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