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Achilles tendon repair

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https://www.readbyqxmd.com/read/28476390/achilles-tendon-open-surgical-treatment-with-platelet-rich-fibrin-matrix-augmentation-biomechanical-evaluation
#1
Federica Alviti, Michele Gurzì, Valter Santilli, Marco Paoloni, Roberto Padua, Andrea Bernetti, Marco Bernardi, Massimiliano Mangone
The relationship between surgical technique and ankle biomechanical properties after surgery for acute rupture of the Achilles tendon (ATR) has not yet been fully investigated. Platelet-rich fibrin (PRF) matrices seem to play a central role in the complex processes of tendon healing. Our aim was to analyze the biomechanical characteristics, stiffness, and mechanical work of the ankle during walking in patients who had undergone surgery after ATR with and without PRF augmentation. We performed a retrospective review of all consecutive patients who had been treated with surgical repair after ATR...
May 2017: Journal of Foot and Ankle Surgery: Official Publication of the American College of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/28476383/evaluation-of-a-new-knotless-suture-anchor-repair-in-acute-achilles-tendon-ruptures-a-biomechanical-comparison-of-three-techniques
#2
James M Cottom, Joseph S Baker, Phillip E Richardson, Jared M Maker
Acute ruptures of the Achilles tendon are a common injury, and debate has continued in published studies on how best to treat these injuries. Specifically, controversy exists regarding the surgical approaches for Achilles tendon repair when one considers percutaneous versus open repair. The present study investigated the biomechanical strength of 3 different techniques for Achilles tendon repair in a cadaveric model. A total of 36 specimens were divided into 3 groups, each of which received a different construct...
May 2017: Journal of Foot and Ankle Surgery: Official Publication of the American College of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/28467100/augmented-versus-nonaugmented-repair-of-acute-achilles-tendon-rupture-a-systematic-review-and-meta-analysis
#3
Yi-Jun Zhang, Chi Zhang, Quan Wang, Xiang-Jin Lin
BACKGROUND: Although simple end-to-end repair of the Achilles tendon is common, many augmented repair protocols have been implemented for acute Achilles tendon rupture. However, whether augmented repair is better than nonaugmented repair of an acute Achilles tendon rupture is still unknown. PURPOSE: To conduct a meta-analysis to determine whether augmented surgical repair of an acute Achilles tendon rupture improved subjective patient satisfaction without an increase in rerupture rates...
April 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28466181/-low-level-laser-therapy-a-narrative-literature-review-on-the-efficacy-in-the-treatment-of-rheumatic-orthopaedic-conditions
#4
REVIEW
A W A Baltzer, D Stosch, F Seidel, M S Ostapczuk
BACKGROUND: In low level laser therapy (LLLT) low wattage lasers are used to irradiate the affected skin areas, joints, nerves, muscles and tendons without any sensation or thermal damage. Although the exact mechanism of its effect is still unknown, it seems beyond dispute that LLLT induces a variety of stimulating processes at the cellular level affecting cell repair mechanisms, the vascular system and lymphatic system. LLLT has been popular among orthopaedic practitioners for many years, whereas university medicine has remained rather sceptical about it...
May 2, 2017: Zeitschrift Für Rheumatologie
https://www.readbyqxmd.com/read/28465006/early-rehabilitation-after-open-repair-for-patients-with-a-rupture-of-the-achilles-tendon
#5
Uk Kim, Yun Seong Choi, Gyu Chol Jang, Young Rak Choi
PURPOSE: As outdoor activities participation increase, Achilles tendon rupture incidence also tends to increase. There are a number of treatment and rehabilitation options for a ruptured Achilles tendon. However, the optimal rehabilitation protocols are still under debate. The purpose of this study is to determine whether early rehabilitation is more effective than conventional rehabilitation. METHODS: Medical records of 56 patients who had been treated with open repair after a ruptured Achilles tendon were retrospectively reviewed...
April 25, 2017: Injury
https://www.readbyqxmd.com/read/28455604/biological-incorporation-of-human-acellular-dermal-matrix-used-in-achilles-tendon-repair
#6
Giampietro Bertasi, Windy Cole, Brian Samsell, Xiaofei Qin, Mark Moore
Human acellular dermal matrices (ADMs) are used successfully in a variety of procedures, including sports medicine related, wound repair, and breast reconstructions, but the mechanism of repair is still not fully understood. An opportunity to explore this mechanism presented itself when a patient experienced a rerupture of the native tendon due to a fall that occurred 2 months after undergoing an Achilles tendon repair using Matracell treated ADM. The ADM was removed and an extensive histology analysis was performed on the tissue...
April 28, 2017: Cell and Tissue Banking
https://www.readbyqxmd.com/read/28451864/prolotherapy-induces-an-inflammatory-response-in-human-tenocytes-in-vitro
#7
Emmanuel C Ekwueme, Mahir Mohiuddin, Jazmin A Yarborough, P Gunnar Brolinson, Denitsa Docheva, Hugo A M Fernandes, Joseph W Freeman
BACKGROUND: Proliferative therapy, or prolotherapy, is a controversial treatment method for many connective tissue injuries and disorders. It involves the injection of a proliferant, or irritant solution, into the site of injury, which causes small-scale cell death. This therapeutic trauma is theorized to initiate the body's wound-healing cascade, perhaps leading to tissue repair. The immediate effects of many of these proliferants are poorly characterized, as are the cellular responses to them; here, we sought to evaluate the immediate effects of two common proliferants (dextrose and P2G, a combination of phenol, glucose, and glycerin) on the cellular response of human tenocytes, and begin to explicate the mechanisms with which each proliferant functions...
April 27, 2017: Clinical Orthopaedics and related Research
https://www.readbyqxmd.com/read/28442075/passive-stiffness-of-the-ankle-and-plantar-flexor-muscle-performance-after-achilles-tendon-repair-a-cross-sectional-study
#8
Pollyana R T Borges, Thiago R T Santos, Paula R S Procópio, Jessica H D Chelidonopoulos, Roberto Zambelli, Juliana M Ocarino
BACKGROUND: Deficits in ankle muscle strength and ankle stiffness may be present in those subjects who underwent surgical treatment for an Achilles tendon rupture. The presence of these long-term deficits may contribute to a lower performance during daily activities and may be linked to future injuries. OBJECTIVE: To compare the ankle passive stiffness and the plantar flexor muscle performance in patients who underwent unilateral surgical treatment of Achilles tendon rupture with nonsurgical subjects...
January 2017: Brazilian Journal of Physical Therapy
https://www.readbyqxmd.com/read/28413884/incidence-and-risk-factors-of-venous-thromboembolism-after-orthopaedic-foot-and-ankle-surgery
#9
Jamal Ahmad, Mary-Katherine Lynch, Mitchell Maltenfort
BACKGROUND: This study examines the incidence and risk of postoperative symptomatic venous thromboembolism (VTE) after orthopaedic foot/ankle surgery. MATERIALS: Patients that received foot/ankle surgery between 2006 and 2016 were reviewed. Inclusion criteria were surgical patients that were without coagulopathy, previous VTE, and/or using anticoagulation medications including aspirin. Age, sex, body mass index, medical comorbidities, and surgical diagnosis and procedure(s) were noted...
April 1, 2017: Foot & Ankle Specialist
https://www.readbyqxmd.com/read/28396584/a-high-glucose-diet-affects-achilles-tendon-healing-in-rats
#10
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/28366020/fluoroquinolone-associated-tendinopathy-of-the-hand-and-wrist-a-systematic-review-and-case-report
#11
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/28358280/comparison-of-autologous-allogeneic-and-cell-free-scaffold-approaches-for-engineered-tendon-repair-in-a-rabbit-model-a-pilot-study
#12
Wenbo Wang, Dan Deng, Bin Wang, Guangdong Zhou, Wen Jie Zhang, Yilin Cao, Peihua Zhang, Wei Liu
Tendons are subjected to high strength dynamic mechanical forces in vivo. Mechanical strength is an essential requirement for tendon scaffold materials. A composite scaffold was employed in this study to provide mechanical strength, which was composed of an inter part of nonwoven PGA (polyglicolic acid) fibers, and an outer part of the net knitted with PGA and PLA (polylactic acid) fibers in a ratio of 4:2. This study compared three different approaches for in vivo tendon engineering, i.e. cell-free scaffold, allogeneic and autologous cell seeded scaffolds, using a rabbit Achilles tendon repair model...
March 30, 2017: Tissue Engineering. Part A
https://www.readbyqxmd.com/read/28355086/presence-of-bacteria-in-spontaneous-achilles-tendon-ruptures
#13
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/28299842/electroacupuncture-promotes-cns-dependent-release-of-mesenchymal-stem-cells
#14
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
#15
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
#16
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
#17
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...
April 2017: International Journal of Surgery
https://www.readbyqxmd.com/read/28257679/repair-of-neglected-achilles-rupture
#18
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
#19
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
#20
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
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