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Achilles tendon repair

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https://www.readbyqxmd.com/read/28208087/morphomechanical-alterations-in-the-medial-gastrocnemius-muscle-in-patients-with-a-repaired-achilles-tendon-associations-with-outcome-measures
#1
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
#2
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
#3
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
#4
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
#5
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
#6
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
#7
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
#8
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
#9
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
#10
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
#11
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
https://www.readbyqxmd.com/read/28053270/the-quality-of-achilles-tendon-repair-five-to-eight-years-after-percutaneous-tenotomy-in-the-treatment-of-clubfoot-clinical-and-ultrasonographic-findings
#12
D A Maranho, F H L Leonardo, C F Herrero, E E Engel, J B Volpon, M H Nogueira-Barbosa
AIMS: Our aim was to describe the mid-term appearances of the repair process of the Achilles tendon after tenotomy in children with a clubfoot treated using the Ponseti method. PATIENTS AND METHODS: A total of 15 children (ten boys, five girls) with idiopathic clubfoot were evaluated at a mean of 6.8 years (5.4 to 8.1) after complete percutaneous division of the Achilles tendon. The contour and subjective thickness of the tendon were recorded, and superficial defects and its strength were assessed clinically...
January 2017: Bone & Joint Journal
https://www.readbyqxmd.com/read/28053261/the-epidemiology-and-trends-in-management-of-acute-achilles-tendon-ruptures-in-ontario-canada-a-population-based-study-of-27-607-patients
#13
U Sheth, D Wasserstein, R Jenkinson, R Moineddin, H Kreder, S B Jaglal
AIMS: The aims of this study were to establish the incidence of acute Achilles tendon rupture (AATR) in a North American population, to select demographic subgroups and to examine trends in the management of this injury in the province of Ontario, Canada. PATIENTS AND METHODS: Patients ≥ 18 years of age who presented with an AATR to an emergency department in Ontario, Canada between 1 January 2003 and 31 December 2013 were identified using administrative databases...
January 2017: Bone & Joint Journal
https://www.readbyqxmd.com/read/28050916/division-tenorrhaphy
#14
Jesse Doty, Yoshihiro Katsuura, Nicholas Richardson
: Here we describe a modified open technique for the repair of a ruptured Achilles tendon using multiple looped sutures with the creation of interdigitating tendon stumps maximizing surface area for suture application as well as allowing for significant tissue overlay. This technique produces a high strength repair that is useful in cases of extensive degeneration or poor-quality tissue. Degenerative tissue may be encountered with chronic ruptures or failed nonoperative treatment, as well as those ruptures that occur at the proximal myotendinous junction...
January 1, 2017: Foot & Ankle Specialist
https://www.readbyqxmd.com/read/28040086/monofocal-bone-transport-technique-for-bone-defects-greater-than-5-cm-in-tibia-our-experience-in-a-case-series-of-24-patients
#15
Kemal Aktuglu, Hüseyin Günay, Jabrayil Alakbarov
BACKGROUND: As the tibial bone defect increases in size, the problems in treatment also increase. The treatment may be problematic but different treatment approaches can be used. Among these approaches, distraction osteogenesis is a method an orthopedic surgeon with limited conditions can use although it has a longer treatment period. In our case series, we evaluated current treatment approaches. METHOD: Retrospective study based on patient records and radiographs...
December 2016: Injury
https://www.readbyqxmd.com/read/28036234/tension-regulation-at-the-suture-lines-for-repair-of-neglected-achilles-tendon-laceration
#16
Elsayed Ibraheem Elsayed Massoud
BACKGROUND: Operative intervention is the preferred option for management of the neglected laceration of the Achilles tendon. However, the commonly used techniques rarely follow the principles of the regenerative medicine for the restoration of the lost tissue. This study postulated that incorporation of the autogenous tendon graft would properly progress when the interplay between mechanical loading and healing phases was correctly applied. METHODS: A prospective study included 15 patients who were treated for neglected Achilles tendon laceration using the technique of lengthening of the proximal tendon stump...
December 1, 2016: Foot & Ankle International
https://www.readbyqxmd.com/read/28005121/limited-incision-knotless-achilles-tendon-repair
#17
Andrew R Hsu
Acute midsubstance Achilles tendon ruptures, which are increasingly common among athletes, can result in significant functional limitations and decreased quality of life when not managed appropriately. The various surgical techniques for treating Achilles ruptures include open repair with Krackow locking sutures, percutaneous repair, and limited-incision repair with suture-passing jigs. Less invasive techniques have been developed to optimize the functional benefits of surgery while reducing delayed wound healing, infection, and other postoperative complications...
November 2016: American Journal of Orthopedics
https://www.readbyqxmd.com/read/28004174/altered-patterns-of-displacement-within-the-achilles-tendon-following-surgical-repair
#18
Åsa Fröberg, Ann-Sophie Cissé, Matilda Larsson, Mattias Mårtensson, Michael Peolsson, Tomas Movin, Anton Arndt
PURPOSE: Ultrasound speckle tracking was used to compare tendon deformation patterns between uninjured and surgically repaired Achilles tendons at 14-27-month follow-up. The hypothesis was that the non-homogenous displacement pattern previously described in uninjured tendons, where displacement within deep layers of the tendons exceeds that of superficial layers, is altered following tendon rupture and subsequent surgical repair. METHODS: In the first part of this study, an in-house-developed block-matching speckle tracking algorithm was evaluated for assessment of displacement on porcine flexor digitorum tendons...
December 21, 2016: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28002908/heat-shock-induces-the-expression-of-pro-inflammatory-cytokines-in-human-achilles-tendon-tenocytes
#19
A D'Addona, D Somma, S Formisano, D Rosa, S L Di Donato, N Maffulli
The aim of our study is to investigate the behaviour of healthy and tendinopathic human tenocytes after a heat shock. After we harvested tendinopathic and healthy human tendon samples, we split tenocytes into 4 groups: 3 groups were submitted to heat shock, followed by different periods of post-heating (2, 4 and 20 h). The other group represents our negative control. The target genes were analysed using Real Time PCR. IL-1β and IL-6 expression were significantly increased in tendinopathic samples after heat shock...
October 2016: Journal of Biological Regulators and Homeostatic Agents
https://www.readbyqxmd.com/read/27989345/gravity-equinus-position-to-control-the-tendon-length-of-reversed-free-tendon-flap-reconstruction-for-chronic-achilles-tendon-rupture
#20
Takaki Sanada, Eiji Uchiyama
Repair of chronic Achilles tendon rupture is a surgical challenge. We describe the use of a free turndown tendon flap augmentation raised from the proximal gastrocnemius aponeurosis. To control optimal tension or the reconstructed Achilles tendon length, we used an original method by referring to the gravity planter flexion ankle angle of the contralateral limb. Key aspects of the technique are described. A retrospective analysis of the short-term outcomes achieved in a case series (n = 56) is presented. The postoperative anthropometric findings are also presented to indicate the successful outcomes achieved with this technique...
January 2017: Journal of Foot and Ankle Surgery: Official Publication of the American College of Foot and Ankle Surgeons
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