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Ligament Repair

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https://www.readbyqxmd.com/read/28214465/acute-and-chronic-lateral-ankle-instability-diagnosis-management-and-new-concepts
#1
Rachel Shakked, Steven Sheskier
Lateral ankle instability is a common entity that can result in degenerative arthritis if left untreated. Acute ligament injuries should primarily be treated nonoperatively with a course of physical therapy and functional bracing. Chronic ankle instability is defined as mechanical or functional and can be diagnosed using a combination of history, physical examination, stress radiographs, and magnetic resonance imaging. After failure of nonoperative treatment, surgical treatment with anatomic ligament repair and inferior extensor retinaculum augmentation has the best clinical outcomes...
January 2017: Bulletin of the Hospital for Joint Diseases
https://www.readbyqxmd.com/read/28213796/the-manchester-repair-an-instructional-video
#2
Caroline E Walsh, Lin L Ow, N Rajamaheswari, Peter L Dwyer
OBJECTIVE: The Manchester repair, developed in the UK by Donald, described in 1908, and later modified by Fothergill, is a well-studied and proven surgical treatment for uterovaginal prolapse when uterine preservation is desired. This operation is currently not widely performed in parts of the world (USA) but is becoming increasing popular in Europe. The objective of this video is to demonstrate our surgical technique and recommendations for successful completion of the procedure. METHODS: This patient is a 39-year-old woman with two previous vaginal deliveries who presented with a 1-year history of vaginal protrusion...
February 17, 2017: International Urogynecology Journal
https://www.readbyqxmd.com/read/28213679/gastroschisis-in-monochorionic-male-twins
#3
Wenbo Yan, Yeming Wu, Zhixiang Wu, Yiming Gong, Chengren Shi, Jun Wang
We report a case of gastroschisis in male twins. Both twins were preterm and low birth weight, with intestinal malrotation; they were diagnosed by antenatal ultrasound at 20 weeks of gestation. Immediately after delivery, they underwent evaluation and early surgical one-stage repair under anesthesia. One of the twins was found to have duodenal perforation at laparotomy, at the horizontal part near Treitz ligament. Both twins stayed in hospital for 30 days and were in good health at discharge.
February 17, 2017: Pediatric Surgery International
https://www.readbyqxmd.com/read/28213096/ectopic-tissue-engineered-ligament-with-silk-collagen-scaffold-for-acl-regeneration-a-preliminary-study
#4
Jisheng Ran, Yejun Hu, Huihui Le, Yangwu Chen, Zefeng Zheng, Xiao Chen, Zi Yin, Ruijian Yan, Zhangchu Jin, Chenqi Tang, Jiayun Huang, Yanjia Gu, Langhai Xu, Shengjun Qian, Wei Zhang, Boon Chin Heng, Pioletti Dominique, Weishan Chen, Lidong Wu, Weiliang Shen, Hongwei Ouyang
: Anterior cruciate ligament (ACL) reconstruction remains a formidable clinical challenge because of the lack of vascularization and adequate cell numbers in the joint cavity. In this study, we developed a novel strategy to mimic the early stage of repair in vivo, which recapitulated extra-articular inflammatory response to facilitate the early ingrowth of blood vessels and cells. A vascularized ectopic tissue engineered ligament (ETEL) with silk collagen scaffold was developed and then transferred to reconstruct the ACL in rabbits without interruption of perfusion...
February 14, 2017: Acta Biomaterialia
https://www.readbyqxmd.com/read/28212613/porphyromonas-gingivalis-can-invade-periodontal-ligament-stem-cells
#5
Chunling Pan, Junchao Liu, Hongyan Wang, Jia Song, Lisi Tan, Haijiao Zhao
BACKGROUND: Porphyromonas gingivalis is strongly associated with the development, progression, severity and recurrence of periodontitis. Periodontal ligament stem cells (PDLSCs) play an important role in the maintenance of periodontal tissue self-renewal and repair. The purpose of this study was to investigate the ability of P. gingivalis to infect PDLSCs using an in vitro monolayer model. METHODS: We separated and cultured primary PDLSCs using the tissue block with limiting dilution method...
February 17, 2017: BMC Microbiology
https://www.readbyqxmd.com/read/28210790/factors-influencing-the-success-of-anterior-cruciate-ligament-repair-with-dynamic-intraligamentary-stabilisation
#6
Anna M Krismer, Lampros Gousopoulos, Sandro Kohl, Atesch Ateschrang, Hendrik Kohlhof, Sufian S Ahmad
PURPOSE: Primary repair of the anterior cruciate ligament (ACL) has regained interest of clinicians with recent development of novel repair techniques. Dynamic intraligamentary stabilisation was introduced in an attempt to promote healing by shielding cyclic loads acting upon the ACL during the healing phase. The aim of this study was to identify negative factors likely to influence success of this procedure. METHODS: Between 2009 and 2014, 264 patients with an acute ACL rupture undergoing dynamic intraligamentary stabilisation were included in this study...
February 17, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28210655/cost-of-outpatient-arthroscopic-anterior-cruciate-ligament-reconstruction-among-commercially-insured-patients-in-the-united-states-2005-2013
#7
Mackenzie M Herzog, Stephen W Marshall, Jennifer L Lund, Virginia Pate, Jeffrey T Spang
BACKGROUND: Despite the significance of anterior cruciate ligament (ACL) injuries, these conditions have been under-researched from a population-level perspective. It is important to determine the economic effect of these injuries in order to document the public health burden in the United States. PURPOSE: To describe the cost of outpatient arthroscopic ACL reconstruction and health care utilization among commercially insured beneficiaries in the United States. STUDY DESIGN: Economic and decision analysis; Level of evidence, 3...
January 2017: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/28210653/biologic-approaches-for-the-treatment-of-partial-tears-of-the-anterior-cruciate-ligament-a-current-concepts-review
#8
Ignacio Dallo, Jorge Chahla, Justin J Mitchell, Cecilia Pascual-Garrido, John A Feagin, Robert F LaPrade
BACKGROUND: Anterior cruciate ligament reconstruction (ACLR) has been established as the gold standard for treatment of complete ruptures of the anterior cruciate ligament (ACL) in active, symptomatic individuals. In contrast, treatment of partial tears of the ACL remains controversial. Biologically augmented ACL-repair techniques are expanding in an attempt to regenerate and improve healing and outcomes of both the native ACL and the reconstructed graft tissue. PURPOSE: To review the biologic treatment options for partial tears of the ACL...
January 2017: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/28203598/treatment-of-ulnar-collateral-ligament-tears-of-the-elbow-is-repair-a-viable-option
#9
Brandon J Erickson, Bernard R Bach, Nikhil N Verma, Charles A Bush-Joseph, Anthony A Romeo
BACKGROUND: Ulnar collateral ligament (UCL) tears have become common, and UCL reconstruction (UCLR) is currently the preferred surgical treatment method for treating UCL tears. PURPOSE/HYPOTHESIS: The purpose of this study was to review the literature surrounding UCL repair and determine the viability of new repair techniques for treatment of UCL tears. We hypothesized that UCL repair techniques will provide comparable results to UCLR for treatment of UCL tears...
January 2017: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/28194498/lateral-clavicle-fracture-with-coracoclavicular-ligament-injury-a-biomechanical-study-of-4-different-repair-techniques
#10
Farhang Alaee, John Apostolakos, Hardeep Singh, Christian Holwein, Theresa Diermeier, Mark P Cote, Knut Beitzel, Andreas B Imhoff, Augustus D Mazzocca, Andreas Voss
PURPOSE: To investigate the biomechanical performance of four different methods used for coracoclavicular (CC) ligament reconstruction in a lateral clavicle fracture repair. METHODS: Native displacement, translation, and rotation at the acromioclavicular joint of 24 fresh-frozen cadaveric shoulders were tested. A reproducible fracture in the lateral third of the clavicle was created by dissecting both CC ligaments. Each specimen was then repaired with plate fixation of the fracture and the following CC repair technique: (1) Cortical button...
February 14, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28192031/neural-crest-stem-cells-can-differentiate-to-a-cardiomyogenic-lineage-with-an-ability-to-contract-in-response-to-pulsed-infrared-stimulation
#11
Jordan M Greenberg, Vicente Lumbreras, Daniel Pelaez, Suhrud M Rajguru, Herman S Cheung
INTRODUCTION: Cellular cardiomyoplasty has rapidly risen to prominence in the clinic following a myocardial infarction; however, low engraftment of transplanted cells limits the therapeutic benefit to these procedures. Recently, lineage-specific stem cells differentiated into cardiomyocytes have gained much attention to assist in the repair of an injured heart tissue; however, questions regarding the ideal cell source remain. In the present study, we have identified a source that is easy to extract stem cells from and show that the cells present have a high plasticity toward the cardiomyogenic lineage...
October 2016: Tissue Engineering. Part C, Methods
https://www.readbyqxmd.com/read/28191790/safety-and-short-term-outcomes-of-a-new-truly-minimallyinvasive-mesh-less-and-dissection-less-anchoring-system-for-pelvic-organ-prolapse-apical-repair
#12
Adi Y Weintraub, Masha Ben Zvi, David Yohay, Joerg Neymeyer, Yonatan Reuven, Menahem Neuman, Alex Tsivian
OBJECTIVE: To evaluate the safety and short term outcomes of a new, truly minimallyinvasive, mesh-less and dissection-less anchoring system for pelvic floor apical repair. METHODS: A prospective study was conducted using the NeuGuide™ device system for pelvic floor apical repair. The primary effectiveness outcome was centro-apical pelvic floor prolapse by POP-Q after six months. The primary safety outcome was intra-operative, immediate (first 48 h) post-operative complications and adverse effects after six months...
January 27, 2017: International Braz J Urol: Official Journal of the Brazilian Society of Urology
https://www.readbyqxmd.com/read/28188468/transvaginal-uterosacral-ligament-suspension-for-posthysterectomy-vaginal-vault-prolapse-repair
#13
Rodolfo Milani, Matteo Frigerio, Federico Spelzini, Stefano Manodoro
INTRODUCTION AND HYPOTHESIS: Posthysterectomy vaginal vault prolapse repair represents a challenge for urogynecologists. Surgical management can be successfully achieved with native tissue using a vaginal approach with uterosacral ligament (USL) suspension. However, severe complications have been described, mainly related to ureteral injury. METHODS: A 57-year-old woman with symptomatic stage 2 vaginal vault prolapse underwent transvaginal USL suspension according to the described technique...
February 10, 2017: International Urogynecology Journal
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/28168771/recent-updates-on-electronic-cigarette-aerosol-and-inhaled-nicotine-effects-on-periodontal-and-pulmonary-tissues
#15
REVIEW
Fawad Javed, Sergio V Kellesarian, Isaac K Sundar, Georgios E Romanos, Irfan Rahman
E-cigarette derived inhaled nicotine may contribute to the pathogenesis of periodontal and pulmonary diseases in particular via lung inflammation, injurious and dysregulated repair responses. Nicotine is shown to have anti-proliferative properties and affects fibroblasts in vitro, which may interfere in tissue myofibroblast differentiation in e-cig users. This will affect the ability to heal wounds by decreasing wound contraction. In periodontics, direct exposure to e-vapor has been shown to produce harmful effects in periodontal ligament and gingival fibroblasts in culture...
February 6, 2017: Oral Diseases
https://www.readbyqxmd.com/read/28167967/enhancement-of-anti-inflammatory-and-osteogenic-abilities-of-mesenchymal-stem-cells-via-cell-to-cell-adhesion-to-periodontal-ligament-derived-fibroblasts
#16
Keita Suzuki, Naoyuki Chosa, Shunsuke Sawada, Naoki Takizawa, Takashi Yaegashi, Akira Ishisaki
Mesenchymal stem cells (MSCs) are involved in anti-inflammatory events and tissue repair; these functions are activated by their migration or homing to inflammatory tissues in response to various chemokines. However, the mechanism by which MSCs interact with other cell types in inflammatory tissue remains unclear. We investigated the role of periodontal ligament fibroblasts (PDL-Fs) in regulating the anti-inflammatory and osteogenic abilities of bone marrow-derived- (BM-) MSCs. The expression of monocyte chemotactic protein- (MCP-)1 was significantly enhanced by stimulation of PDL-Fs with inflammatory cytokines...
2017: Stem Cells International
https://www.readbyqxmd.com/read/28167880/successful-arthroscopic-primary-repair-of-a-chronic-anterior-cruciate-ligament-tear-11%C3%A2-years-following-injury
#17
Jelle P van der List, Gregory S DiFelice
No abstract text is available yet for this article.
February 2017: HSS Journal: the Musculoskeletal Journal of Hospital for Special Surgery
https://www.readbyqxmd.com/read/28162204/-evidence-based-clinical-practice-guidelines-for-the-treatment-of-dural-tears-and-the-consequent-cerebrospinal-fluid-leak-during-spine-surgery
#18
(no author information available yet)
Dural tears (DT) and the consequent cerebral spinal fluid (CSF) leak are not rare in spine surgeries. CSF leak can be troublesome, leading to pseudomeningocele, cutaneous CSF fistula, and meningitis. Revision surgery is unavoidable in some cases. The reported incidences of DT and CSF leak are different according to the various pathologies. Ossification of the posterior longitudinal ligament, revision spine surgery and multi-segment laminectomy have higher risks for DT. Various techniques have been described to manage this complication, such as bed rest, repair with dural substitutes, fibrin glue, gelatin sponge, lumbar drain, muscle flap, etc...
February 1, 2017: Zhonghua Wai Ke za Zhi [Chinese Journal of Surgery]
https://www.readbyqxmd.com/read/28160929/editorial-commentary-anatomical-vandalism-of-the-hip-hip-capsular-repair-seems-a-sound-adjunct-to-hip-arthroscopic-surgery
#19
EDITORIAL
Richard J van Arkel, Jonathan R T Jeffers, Andrew A Amis
The study "Contribution of the Pubofemoral Ligament to Hip Stability: A Biomechanical Study" by Martin, Khoury, Schröder, Johnson, Gómez-Hoyos, Campos, and Palmer found that cutting the hip capsular ligament allowed a large increase in femoral internal rotation, particularly in the flexed hip, causing subluxation to occur. In addition to providing new data on the role of the pubofemoral ligament, it raises the question of whether hip joint surgeons should repair the capsule-what are the likely consequences?-and whether any beneficial effects persist in long-term clinical follow-ups...
February 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/28154888/permanent-knee-sensorimotor-system-changes-following-acl-injury-and-surgery
#20
John Nyland, Collin Gamble, Tiffany Franklin, David N M Caborn
The cruciate ligaments are components of the knee capsuloligamentous system providing vital neurosensory and biomechanical function. Since most historical primary ACL repair attempts were unsuccessful, reconstruction has become the preferred surgery. However, an increased understanding of the efficacy of lesion-site scaffolding, innovative suturing methods and materials, and evolving use of biological healing mediators such as platelet-rich plasma and stem cells has prompted reconsideration of what was once believed to be impossible...
February 2, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
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