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https://www.readbyqxmd.com/read/29149506/integrating-soft-and-hard-tissues-via-interface-tissue-engineering
#1
REVIEW
Sahishnu Patel, Jon-Michael Caldwell, Stephen B Doty, William N Levine, Scott Rodeo, Louis J Soslowsky, Stavros Thomopoulos, Helen H Lu
The enthesis, or interface between bone and soft tissues such as ligament and tendon, is prone to injury and often does not heal post-surgical intervention. Interface tissue engineering represents an integrative strategy for regenerating the native enthesis by functionally connecting soft and hard tissues and thereby improving clinical outcome. This review focuses on integrative and cell-instructive scaffold designs that target the healing of the two most commonly injured soft tissue-bone junctions: the tendon-bone interface (e...
November 17, 2017: Journal of Orthopaedic Research: Official Publication of the Orthopaedic Research Society
https://www.readbyqxmd.com/read/29146168/bone-marrow-derived-mesenchymal-stromal-cells-enhanced-by-platelet-rich-plasma-maintain-adhesion-to-scaffolds-in-arthroscopic-simulation
#2
Alexander R Hoberman, Carl Cirino, Mary Beth McCarthy, Mark P Cote, Leo Pauzenberger, Knut Beitzel, Augustus D Mazzocca, Felix Dyrna
PURPOSE: To assess the response of bone marrow-derived mesenchymal stromal cells (bMSCs) enhanced by platelet-rich plasma (PRP) in the setting of a normal human tendon (NHT), a demineralized bone matrix (DBM), and a fibrin scaffold (FS) with simulated arthroscopic mechanical washout stress. METHODS: Bone marrow was aspirated from the humeral head and concentrated. BMSCs were counted, plated, and grown to confluence. Cells were seeded onto 3 different scaffolds: (1) NHT, (2) DBM, and (3) FS...
November 13, 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/29145347/fingertip-winding-suture-pull-out-suture-technique-for-flexor-tendon-repair-in-zone-i
#3
Mostafa Mahmoud, Motaz Elian, Abdalah Seif Elnasr
Injuries to flexor tendons in zone I has always been challenging during repair. Over the time several techniques were developed and modified to achieve the highest repair strength and thus the best functional outcome. These techniques vary from pull-out sutures with internal and external fixation to the use of bone anchors. All techniques were accompanied with advantages and disadvantages as well as postoperative morbidities related to certain techniques. In the present technique we introduce a subperiosteal pull-out suturing technique...
December 2017: Techniques in Hand & Upper Extremity Surgery
https://www.readbyqxmd.com/read/29144991/finite-element-simulation-on-posterior-tibial-tendinopathy-load-transfer-alteration-and-implications-to-the-onset-of-pes-planus
#4
Duo Wai-Chi Wong, Yan Wang, Aaron Kam-Lun Leung, Ming Yang, Ming Zhang
BACKGROUND: Posterior tibial tendinopathy is a challenging foot condition resulting in pes planus, which is difficult to diagnose in the early stage. Prior to the deformity, abnormal internal load transfer and soft tissue attenuation are anticipated. The objective of this study was to investigate the internal load transfer and strain of the ligaments with posterior tibial tendinopathy, and the implications to pes planus and other deformities. METHODS: A three-dimensional finite element model of the foot and ankle was reconstructed from magnetic resonance images of a 28-year-old normal female...
November 3, 2017: Clinical Biomechanics
https://www.readbyqxmd.com/read/29138919/low-re-rupture-rate-with-bptb-autograft-and-semitendinosus-gracilis-autograft-with-preserved-insertions-in-acl-reconstruction-surgery-in-sports-persons
#5
Ravi Gupta, Munish Sood, Anubhav Malhotra, Gladson David Masih, Anil Kapoor, Mukta Raghav, Mehar Dhillon
PURPOSE: To compare the results of bone-patellar tendon-bone graft (BPTB), semitendinosus-gracilis graft with preserved insertions (STGPI) and semitendinosus-gracilis-free graft (STGF) in terms of graft failure, objective mechanical stability, functional outcome, and return to sports in elite and recreational sports persons. It was hypothesized that the STGPI graft provided superior outcome as compared to the other two grafts. METHODS: Two hundred and forty-nine elite and recreational players who underwent ACL reconstruction surgery, with BPTB graft (N = 80), STGPI graft (N = 85), and STGF graft (N = 84) with a minimum follow-up of 2 years, were assessed using clinical tests, knee arthrometer (KT 1000™), single-leg hop test, Lysholm knee score, Tegner's activity scale, and return to sports...
November 14, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/29137617/surgical-treatment-for-diffused-type-giant-cell-tumor-pigmented-villonodular-synovitis-about-the-ankle-joint
#6
Xingchen Li, Yang Xu, Yuan Zhu, Xiangyang Xu
BACKGROUND: Diffused-type giant cell tumor(Dt-GCT) is a rare, aggressive disorder of the joint synovium, bursa and tendon sheaths. Osseous erosions and subchondral cysts may develop as the result of synovium infiltration in Dt-GCT. We present a retrospective study of a series of patients who are diagnosed with Dt-GCT about the ankle joint, there clinical outcome is evaluated in this study. MATERIAL AND METHOD: Fifteen patients with radiologically and histologically confirmed Dt-GCT about the ankle joint were identified in our foot and ankle department...
November 14, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/29135646/foot-structure-and-function-in-habitually-barefoot-and-shod-adolescents-in-kenya
#7
Herje Aibast, Paul Okutoyi, Timothy Sigei, Walter Adero, Danny Chemjor, Neford Ongaro, Noriyuki Fuku, Kenn Konstabel, Carol Clark, Daniel E Lieberman, Yannis Pitsiladis
Habitually barefoot (HB) children from the Kalenjin tribe of Kenya are known for their high physical activity levels. To date, there has been no comprehensive assessment of foot structure and function in these highly active and HB children/adolescents and link with overuse injuries. PURPOSE: The aim of this research is to assess foot structure, foot function, injury and physical activity levels in Kenyan children and adolescents who are HB compared with those who were habitually shod (HS)...
November 2017: Current Sports Medicine Reports
https://www.readbyqxmd.com/read/29134816/liquifying-pldlla-anchor-fixation-in-achilles-reconstruction-for-insertional-tendinopathy
#8
Stephanie A Boden, Allison L Boden, Danielle Mignemi, Jason T Bariteau
Insertional Achilles tendinopathy (IAT) is a frequent cause of posterior heel pain and is often associated with Haglund's deformity. Surgical correction for refractory cases of IAT has been well studied; however, the method of tendon fixation to bone in these procedures remains controversial, and to date, no standard technique has been identified for tendon fixation in these surgeries. Often, after Haglund's resection, there is large exposed cancellous surface for Achilles reattachment, which may require unique fixation to optimize outcomes...
November 1, 2017: Foot & Ankle Specialist
https://www.readbyqxmd.com/read/29124078/demineralized-bone-matrix-to-augment-tendon-bone-healing-a-systematic-review
#9
Adam T Hexter, Catherine Pendegrass, Fares Haddad, Gordon Blunn
Background: Following injury to the rotator cuff and anterior cruciate ligament, a direct enthesis is not regenerated, and healing occurs with biomechanically inferior fibrous tissue. Demineralized bone matrix (DBM) is a collagen scaffold that contains growth factors and is a promising biological material for tendon and ligament repair because it can regenerate a direct fibrocartilaginous insertion via endochondral ossification. Purpose: To provide a comprehensive review of the literature investigating the use of DBM to augment tendon-bone healing in tendon repair and anterior cruciate ligament reconstruction (ACLR)...
October 2017: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/29115655/delayed-bipedicled-flap-an-alternative-and-new-method-for-reconstruction-of-distal-leg-defect-after-gunshot-trauma-a-case-report-and-review-of-the-literature
#10
Ali Rıza Yıldırım, Murat İğde, Mehmet Onur Öztürk, Hasan Murat Ergani, Ramazan Erkin Ünlü
Shotgun injury is a trauma that leads to soft tissue defects, in which important structures such as the tendon and bone are exposed with fractures in the distal lower extremity. Because this region has insufficient soft tissue support, local flap options are highly limited. Although the most suitable options are free or perforator flaps for contemporarily reconstructing that region; owing to such highenergy traumas, the available local flaps are becoming more suitable. Besides having various advantages, bipedicled flaps are commonly used for reconstructing small- and medium-sized lower extremity defects...
November 2017: Ulusal Travma Ve Acil Cerrahi Dergisi, Turkish Journal of Trauma & Emergency Surgery: TJTES
https://www.readbyqxmd.com/read/29110050/frequency-of-inflammatory-like-mr-imaging-findings-in-asymptomatic-fingers-of-healthy-volunteers
#11
Christoph A Agten, Andrea B Rosskopf, Maciej Jonczy, Florian Brunner, Christian W A Pfirrmann, Florian M Buck
OBJECTIVE: To describe the frequency of inflammatory-like findings on MR imaging in asymptomatic volunteers and compare them with patients with known rheumatoid arthritis and psoriatic arthritis. MATERIALS AND METHODS: MR images of fingers in 42 asymptomatic volunteers and 33 patients with rheumatoid/psoriatic arthritis were analyzed. The Outcome Measures in Rheumatology Clinical Trials (OMERACT) Rheumatoid/Psoriatic Arthritis MRI Scoring System (RAMRIS/PsAMRIS) and tenosynovitis scoring system were used to assess: bone marrow edema (BME), erosions, tendon sheath fluid/tenosynovitis, joint effusion, and soft-tissue edema...
November 6, 2017: Skeletal Radiology
https://www.readbyqxmd.com/read/29099891/paraskiing-crash-and-knee-dislocation-with-multiligament-reconstruction-and-iliotibial-band-repair
#12
Chase S Dean, Olivia Fernandes, Mark E Cinque, Jorge Chahla, Robert F LaPrade
We describe the diagnosis, treatment, rehabilitation, and complications of a 27-year-old male paraskiier who sustained a closed high-velocity knee dislocation after colliding with a tree at a speed of 45 mph and falling 40 feet to the ground. Extensive surgery to repair and reconstruct the knee included open lateral capsular repair, open anatomical posterolateral corner reconstruction with split Achilles tendon allograft, open iliotibial band reconstruction with Achilles tendon allograft, arthroscopic anterior cruciate ligament reconstruction with bone-patellar tendon-bone autograft, and double-bundle posterior cruciate ligament reconstruction with Achilles tendon allograft for the anterolateral bundle and tibialis anterior tendon allograft for the posteromedial bundle...
September 2017: American Journal of Orthopedics
https://www.readbyqxmd.com/read/29097604/complications-and-outcomes-associated-with-13-cases-of-triceps-tendon-disruption-in-dogs-and-cats-2003-2014
#13
Naomi Frances Earley, Gemma Ellse, Adrian M Wallace, Kevin J Parsons, Katja Voss, Lauren C Pugliese, Andy P Moores, Richard Whitelock, Christoph Stork, Sorrel J Langley-Hobbs, Heidi Radke
This study reports data from a larger number of cases of triceps tendon disruption. Records from 10 veterinary referral hospitals between 2003 and 2014 were searched for canine and feline cases diagnosed with triceps tendon disruption, based on orthopaedic examination confirmed during surgery. Long-term follow-up and owner satisfaction were assessed using a questionnaire. There were 13 cases of triceps tendon disruption diagnosed across seven hospitals (nine dogs, four cats). Trauma, history or presence of a wound, surgery in the region of tendon attachment or corticosteroid treatment preceded triceps tendon disruption...
November 2, 2017: Veterinary Record
https://www.readbyqxmd.com/read/29090349/bone-disease-in-axial-spondyloarthritis
#14
REVIEW
Margot Van Mechelen, Giulia Rossana Gulino, Kurt de Vlam, Rik Lories
Axial spondyloarthritis is a chronic inflammatory skeletal disorder with an important burden of disease, affecting the spine and sacroiliac joints and typically presenting in young adults. Ankylosing spondylitis, diagnosed by the presence of structural changes to the skeleton, is the prototype of this disease group. Bone disease in axial spondyloarthritis is a complex phenomenon with the coexistence of bone loss and new bone formation, both contributing to the morbidity of the disease, in addition to pain caused by inflammation...
October 31, 2017: Calcified Tissue International
https://www.readbyqxmd.com/read/29089527/cross-platform-analysis-of-transcriptomic-data-identifies-ageing-has-distinct-and-opposite-effects-on-tendon-in-males-and-females
#15
Louise I Pease, Peter D Clegg, Carole J Proctor, Daryl J Shanley, Simon J Cockell, Mandy J Peffers
The development of tendinopathy is influenced by a variety of factors including age, gender, sex hormones and diabetes status. Cross platform comparative analysis of transcriptomic data elucidated the connections between these entities in the context of ageing. Tissue-engineered tendons differentiated from bone marrow derived mesenchymal stem cells from young (20-24 years) and old (54-70 years) donors were assayed using ribonucleic acid sequencing (RNA-seq). Extension of the experiment to microarray and RNA-seq data from tendon identified gender specific gene expression changes highlighting disparity with existing literature and published pathways...
October 31, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29083355/neuromuscular-recovery-in-acl-reconstruction-with-bone-tendon-patellar-bone-and-semitendinosus-gracilis-autograft
#16
Andrea Pasquini, Marco Jacopetti, Francesco Pogliacomi, Ileana Ramazzina, Cosimo Costantino
OBJECTIVE: Several different types of grafts have been used in ACL rupture. The purpose of the study was to compare the recovery of lower limbs muscle strength and proprioception in athletes, who underwent ACL reconstruction with Bone-Patellar-Tendon-Bone (BPTB) versus semitendinosus and gracilis (HS) autografts. METHODS: We enrolled 30 male amateur athletes. Each patient was evaluated by isokinetic test, triaxial accelerometer test and balance test with stabilometric platform...
October 18, 2017: Acta Bio-medica: Atenei Parmensis
https://www.readbyqxmd.com/read/29081707/analysis-of-the-pattern-and-mechanism-of-elbow-injuries-related-to-armbar-type-armlocks-in-jiu-jitsu-fighters
#17
Thiago Bernardo Carvalho DE Almeida, Eiffel Tsuyoshi Dobashi, Alexandre Yukio Nishimi, Eduardo Bernardo DE Almeida, Luciano Pascarelli, Luciano Miller Reis Rodrigues
OBJECTIVE: The objective of this study was to analyze elbow injuries and their probable mechanism in Jiu-Jitsu fighters resulting from the armbar-type armlock. METHODS: We evaluated 5 high-performance Jiu-Jitsu fighters from the Gracie Elite gym who were injured during a tournament. All were healthy males with a mean age of 28.8 years. The right arm was involved in three patients (60%). The athletes were followed for approximately 4.6 months, and pain was present in all cases...
September 2017: Acta Ortopedica Brasileira
https://www.readbyqxmd.com/read/29078829/what-do-you-do-with-the-achilles-if-you-have-no-fancy-toys
#18
REVIEW
Rajiv Shah, Sampat Dumbre Patil
Surgical management of Achilles disorders warrants excision of the degenerated tendon and removal of impinging bone. Resulting defects can be bridged by various methods. Although FHL is the most commonly used tendon for transfer, large defects in cases of chronic Achilles ruptures may be bridged by use of a distant donor tendon. Bony anchorage of a lengthened or transferred tendon into the calcaneus can be done with suture anchors or with interference screws. In developing countries, such implants may not be available or affordable, necessitating the adoption of innovative ways to anchor tendons into the calcaneus...
December 2017: Foot and Ankle Clinics
https://www.readbyqxmd.com/read/29075841/effects-of-tibial-baseplate-shape-on-rotational-alignment-in-total-knee-arthroplasty-three-dimensional-surgical-simulation-using-osteoarthritis-knees
#19
Yuan Ma, Hideki Mizu-Uchi, Ken Okazaki, Tetsuro Ushio, Koji Murakami, Satoshi Hamai, Yukio Akasaki, Yasuharu Nakashima
INTRODUCTION: Placement of tibial component is expected to fulfill both maximum surface coverage and recommended anterior-posterior (AP) alignment in total knee arthroplasty (TKA). The purpose of this study is to evaluate the effect of the tibial baseplate shape on AP axis. MATERIALS AND METHODS: Virtual surgery of TKA was performed with three-dimensional bone models reconstructed from 77 osteoarthritis varus knees. Two differently designed tibial baseplates, symmetrically and anatomically, were set to the cut surface under posterior slopes of 0°, 3°, and 7°...
October 26, 2017: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/29075522/imaging-of-juvenile-spondyloarthritis-part-ii-ultrasonography-and-magnetic-resonance-imaging
#20
REVIEW
Iwona Sudoł-Szopińska, Michał Znajdek, Piotr Gietka, Violeta Vasilevska-Nikodinovska, Lukas Patrovic, Vladka Salapura
Juvenile spondyloarthropathies are mainly manifested by symptoms of peripheral arthritis and enthesitis. Early involvement of sacroiliac joints and spine is exceptionally rare in children; this usually happens in adulthood. Conventional radiographs visualize late inflammatory lesions. Early diagnosis is possible with the use of ultrasonography and magnetic resonance imaging. The first part of the article presented classifications and radiographic presentation of juvenile spondyloarthropathies. This part discusses changes seen on ultrasonography and magnetic resonance imaging...
September 2017: Journal of Ultrasonography
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