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https://www.readbyqxmd.com/read/28809638/-four-corner-arthrodesis-of-the-wrist-with-dorsal-circular-plate-a-retrospective-monocentric-study
#1
T Zatrapa, D Veigl, J Pech, I Landor, M Šimková
PURPOSE OF THE STUDY Our study aimed to evaluate a group of patients who in the period from 2005 to 2014 underwent a four-corner arthrodesis of the wrist in our department. We also wanted to verify the hypothesis as to whether the use of conventional dorsal plate without the application of bone grafts leads to comparable results as the use of dorsal locking plates and routine application of bone grafts. MATERIAL AND METHODS Throughout the years 2005 to 2014 the four-corner arthrodesis of the wrist was performed in our department in a total of 62 patients, in two cases bilaterally...
2017: Acta Chirurgiae Orthopaedicae et Traumatologiae Cechoslovaca
https://www.readbyqxmd.com/read/28808593/combined-bone-transportation-and-lengthening-techniques-for-the-treatment-of-septic-nonunion-of-the-forearm-followed-by-tendon-transfer
#2
Konstantinos Ditsios, Eirini Iosifidou, Lazaros Kostretzis, Panagiotis Konstantinou, Iosafat Pinto, Ioannis Theodoroudis, Ippokratis Hatzokos
Infected nonunion of a forearm fracture complicated by a considerable skin-muscle defect poses a great challenge to orthopaedic surgeons. The treatment strategy comprises eradication of the infection, ensuring bony union and soft tissue coverage along with functional restoration. We report a case of a 23-year-old man with an open Gustilo-Anderson IIIb fracture complicated by infected nonunion after internal fixation. After thorough surgical debridement, a considerable soft tissue defect, extensor muscle loss, and posterior interosseous nerve laceration had to be addressed...
2017: Case Reports in Orthopedics
https://www.readbyqxmd.com/read/28808198/ultrasonographic-evaluation-of-enthesitis-in-patients-with-ankylosing-spondylitis
#3
Huayong Zhang, Jun Liang, Junlan Qiu, Fan Wang, Lingyun Sun
The aim of this study was to assess sensitivity and responsiveness of power Doppler ultrasound (PDUS) in detecting enthesitis for ankylosing spondylitis (AS) patients compared to clinical examinations. Twenty AS patients initiating etanerceptunderwent clinical and PDUS examinations of six bilateral entheseal sites at baseline and after 1, 2 and 3 months of treatment. Clinical and PDUS examinations identified at least one entheseal lesion in nine (45%) and 19 (95%) patients, respectively. Furthermore, of 240 entheseal sites examined in these 20 patients, PDUS detected 123 entheseal lesions (51...
January 19, 2017: Journal of Biomedical Research
https://www.readbyqxmd.com/read/28806294/the-tissue-engineered-tendon-bone-interface-in-vitro-and-in-vivo-synergistic-effects-of-adipo-derived-stem-cells-platelet-rich-plasma-and-extracellular-matrix-hydrogel
#4
Rory McGoldrick, Arhana Chattopadhyay, Christopher Crowe, Grace Chiou, Kenneth Hui, Simon Farnebo, Christopher Davis, Anais Le Grand, Molly Jacobs, Hung Pham, James Chang
INTRODUCTION: Suboptimal healing of the tendon bone interface (TBI) remains an unsolved problem. One solution is a biocompatible tissue engineered construct that promotes augmented healing. We hypothesisze that 1.) the presence of Platelet Rich Plasma (PRP) and prolonged in vitro incubation produces tissue engineered tendon bone interface scaffolds with greater reseeding of viable Adipo-derived Stem Cells (ADSC) and 2.) when implanted with extracellular matrix hydrogel, constructs will display superior in vivo strength repair and biocompatibility...
August 3, 2017: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28806095/a-midterm-evaluation-of-postoperative-platelet-rich-plasma-injections-on-arthroscopic-supraspinatus-repair-a-randomized-controlled-trial
#5
Jay R Ebert, Allan Wang, Anne Smith, Robert Nairn, William Breidahl, Ming Hao Zheng, Timothy Ackland
BACKGROUND: Platelet-rich plasma (PRP) has been applied as an adjunct to rotator cuff repair to improve tendon-bone healing and potentially reduce the incidence of subsequent tendon retears. PURPOSE: To investigate whether the midterm clinical and radiographic outcomes of arthroscopic supraspinatus repair are enhanced after repeated postoperative applications of PRP. STUDY DESIGN: Randomized controlled trial; Level of evidence, 1. METHODS: A total of 60 patients (30 control; 30 PRP) were initially randomized to receive 2 ultrasound-guided injections of PRP to the tendon repair site at 7 and 14 days after double-row arthroscopic supraspinatus repair or not...
August 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28803035/bone-tunnel-change-develops-within-two-weeks-of-double-bundle-anterior-cruciate-ligament-reconstruction-using-hamstring-autograft-a-comparison-of-different-postoperative-immobilization-periods-using-computed-tomography
#6
Ryo Shimizu, Nobuo Adachi, Minoru Ishifuro, Atsuo Nakamae, Masakazu Ishikawa, Masataka Deie, Mitsuo Ochi
BACKGROUND: The purpose of this study was to evaluate bone tunnel changes following anterior cruciate ligament (ACL) reconstruction during the early postoperative period using computed tomography (CT), and to understand the impact of postoperative immobilization on these changes. METHODS: Twenty patients who underwent double-bundle ACL reconstruction using hamstring tendon autografts were included. We subcategorized patients into two groups: patients who underwent isolated ACL reconstruction and had three days of knee immobilization (Group A, n=10); and patients with concomitant meniscus injuries who underwent ACL reconstruction and meniscus repair simultaneously (Group B, n=10) had their knees immobilized for two weeks after surgery...
August 9, 2017: Knee
https://www.readbyqxmd.com/read/28800919/similar-outcomes-after-osteochondral-allograft-transplantation-in-anterior-cruciate-ligament-intact-and-reconstructed-knees-a-comparative-matched-group-analysis-with-minimum-2-year-follow-up
#7
Dean Wang, Claire D Eliasburg, Tim Wang, Ryan R Fader, Francesca R Coxe, Mollyann D Pais, Riley J Williams
PURPOSE: To compare failure rates and clinical outcomes of osteochondral allograft transplantation (OCA) in anterior cruciate ligament (ACL)-intact versus ACL-reconstructed knees at midterm follow-up. METHODS: After a priori power analysis, a prospective registry of patients treated with OCA for focal chondral lesions ≥2 cm(2) in size with minimum 2-year follow-up was used to match ACL-reconstructed knees with ACL-intact knees by age, sex, and primary chondral defect location...
August 8, 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/28796028/sleeve-fracture-of-the-adult-patella-case-report-and-review-of-the-literature
#8
Linjun Xie, Hong Xu, Lizhi Zhang, Rong Xu, Yingkun Guo
RATIONALE: The patellar fractures are common in adults, but rare in children. As a particular type of patellar fracture, however, sleeve fractures are almost always limited to children in the under 16's group. PATIENT CONCERNS: Herein, we report a rare case of a 19-year-old healthy adult female who presented sleeve fracture at the superior pole of the left patella. The clinical and radiological features are found including joint effusion, anterior tilt of the patella and a shell of bone lying proximally to the patella...
August 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28792082/rotator-cuff-healing-using-demineralized-cancellous-bone-matrix-sponge-interposition-compared-to-standard-repair-in-a-preclinical-canine-model
#9
Matthew J Smith, Ferris M Pfeiffer, Cristi R Cook, Keiichi Kuroki, James L Cook
This Level II study assessed clinically relevant outcomes for repair of large, retracted infraspinatus tendons (ISTs) using a demineralized bone matrix (DBM) sponge (FlexiGraft) hydrated in platelet-rich plasma (PRP) versus direct repair in a validated canine model. Adult research dogs (n = 10) were used. The IST was transected in each shoulder (n = 20) and randomized to direct repair or repair with DBM-PRP interposition at 4 weeks posttransection. At 12 weeks postrepair, dogs were sacrificed, and the repair evaluated by magnetic resonance imaging (MRI), histology, and biomechanical testing...
August 9, 2017: Journal of Orthopaedic Research: Official Publication of the Orthopaedic Research Society
https://www.readbyqxmd.com/read/28791834/the-effect-of-platelet-rich-plasma-in-bone-tendon-integration
#10
İsmail Ağır, Mahmut Nedim Aytekin, Fatih Küçükdurmaz, Barış Kocaoğlu, Sule Çetinel, Mustafa Karahan
BACKGROUND: The operative reconstruction of a torn or insufficient anterior cruciate ligament has become a routine surgical procedure in orthopedics. The long-term success of an anterior cruciate ligament reconstruction depends on the ability of the graft to heal adequately in a bone tunnel. Investigators studying reconstructions described healing within a tunnel as osseous ingrowth and incorporation. In particular, helping the healing using autologous material for the best integration process was a new idea that helped us to set up this study...
March 2017: Advances in Clinical and Experimental Medicine: Official Organ Wroclaw Medical University
https://www.readbyqxmd.com/read/28782882/the-expansion-of-heterotopic-bone-in-fibrodysplasia-ossificans-progressiva-is-activin-a-dependent
#11
Jaymin Upadhyay, LiQin Xie, Lily Huang, Nanditha Das, Rachel C Stewart, Morgan C Lyon, Keryn Palmer, Saathyaki Rajamani, Chris Graul, Merryl Lobo, Tyler J Wellman, Edward J Soares, Matthew D Silva, Jacob Hesterman, Lili Wang, Xialing Wen, Xiaobing Qian, Kalyan Nannuru, Vincent Idone, Andrew J Murphy, Aris N Economides, Sarah J Hatsell
Fibrodysplasia Ossificans Progressiva (FOP) is a rare autosomal dominant disorder that is characterized by episodic yet cumulative heterotopic ossification (HO) in skeletal muscles, tendons, and ligaments over a patient's lifetime. FOP is caused by missense mutations in the type I Bone Morphogenetic Protein (BMP) receptor ACVR1. We have determined that the formation of heterotopic bone in FOP requires activation of mutant ACVR1 by Activin A, in part by showing that prophylactic inhibition of Activin A blocks HO in a mouse model of FOP...
August 7, 2017: Journal of Bone and Mineral Research: the Official Journal of the American Society for Bone and Mineral Research
https://www.readbyqxmd.com/read/28782620/anti-inflammatory-effect-of-cortex-eucommiae-via-modulation-of-the-toll-like-receptor-4-pathway-in-lipopolysaccharide-stimulated-raw-264-7-macrophages
#12
Wonil Koh, Joon-Shik Shin, Jinho Lee, In-Hee Lee, Sang Kook Lee, In-Hyuk Ha, Hwa-Jin Chung
ETHNOPHARMOCOLOGICAL RELEVANCE: Cortex Eucommiae (CE), the bark of Eucommia ulmoides Oliv., has been traditionally used for its kidney-tonifying and bone- and tendon-enhancing properties in Korea, China, and Japan. CE has been historically prescribed for inflammatory conditions such as arthritis of the knee and ankle. AIM OF THE STUDY: Although CE has recently been shown to suppress inflammation in scientific studies, whether this effect involves modulation of the toll-like receptor 4 (TLR-4) pathway is currently unknown...
August 3, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28780628/surgical-excision-of-symptomatic-mature-posttraumatic-myositis-ossificans-characteristics-and-outcomes-in-32-athletes
#13
Sakari Orava, Juha-Jaakko Sinikumpu, Janne Sarimo, Lasse Lempainen, Gideon Mann, Iftach Hetsroni
PURPOSE: The purpose of this study was to report characteristics and outcomes of surgical excision of symptomatic mature posttraumatic myositis ossificans in adult athletes. The hypothesis was that surgical excision of the ossified mass in these circumstances can effectively relief symptoms and result in return to high-level sports with minimal postoperative complications. METHODS: All operations involving excision of posttraumatic heterotopic ossifications performed between 1987 and 2015 were reviewed...
August 5, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28779797/editorial-commentary-remnant-preserving-philosophy-extended-to-rotator-cuff-repair-can-we-improve-tendon-healing-by-preserving-the-native-insertional-fibrocartilage
#14
EDITORIAL
Giuseppe Milano
Tendon-to-bone healing in rotator cuff repair is affected by the method of footprint preparation. Bone drilling and preserving the native fibrocartilage at the tendon attachment site improved tissue quality and mechanical strength of bone-tendon interface in an animal model.
August 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/28777535/electrospun-nanofibers-new-concepts-materials-and-applications
#15
Jiajia Xue, Jingwei Xie, Wenying Liu, Younan Xia
Electrospinning is a simple and versatile technique that relies on the electrostatic repulsion between surface charges to continuously draw nanofibers from a viscoelastic fluid. It has been applied to successfully produce nanofibers, with diameters down to tens of nanometers, from a rich variety of materials, including polymers, ceramics, small molecules, and their combinations. In addition to solid nanofibers with a smooth surface, electrospinning has also been adapted to generate nanofibers with a number of secondary structures, including those characterized by a porous, hollow, or core-sheath structure...
August 4, 2017: Accounts of Chemical Research
https://www.readbyqxmd.com/read/28776631/diffuse-pigmented-villonodular-synovitis-as-a-rare-cause-of-graft-failure-following-anterior-cruciate-ligament-reconstruction
#16
Rajiv Rajani, Liliana Ogden, Christopher J Matthews, C Parker Gibbs
This case report describes a 42-year-old woman who was diagnosed with pigmented villonodular synovitis (PVNS) in the knee. The patient had received a bone-patella tendon-bone autograft reconstruction of her anterior cruciate ligament (ACL) 22 years prior to her diagnosis of PVNS. After a traumatic event that tore her ACL graft, she underwent a second surgery to repair the initial reconstruction. However, her pain and joint instability remained unresolved. When radiolucent lesions in her tibia and femur were identified through a radiographic image, the patient was referred to the authors' orthopedic oncology clinic...
August 3, 2017: Orthopedics
https://www.readbyqxmd.com/read/28776628/bilateral-atraumatic-proximal-tibiofibular-joint-instability-treated-with-suspensory-button-fixation
#17
Olivia C O'Reilly, Katherine H Carruthers, Patrick N Siparsky
Proximal tibiofibular joint (PTFJ) instability is a rare cause of lateral-sided knee pain. The authors present a case of bilateral, symptomatic PTFJ instability with peroneal nerve dysfunction in an active 16-year-old female athlete. This was addressed with peroneal nerve decompression and PTFJ stabilization using a suspensory button fixation system. This provides an alternative treatment from historical methods such as PTFJ fusion or re-approximation of the joint with tendon through bone tunnels. The surgical technique, as well as potential treatment challenges, is described in detail...
August 3, 2017: Orthopedics
https://www.readbyqxmd.com/read/28774457/conventional-radiology-in-crystal-arthritis-gout-calcium-pyrophosphate-deposition-and-basic-calcium-phosphate-crystals
#18
REVIEW
Thibaut Jacques, Paul Michelin, Sammy Badr, Michelangelo Nasuto, Guillaume Lefebvre, Neal Larkman, Anne Cotten
This article reviews the main radiographic features of crystal deposition diseases. Gout is linked to monosodium urate crystals. Classic radiographic features include subcutaneous tophi, large and well-circumscribed paraarticular bone erosions, and exuberant bone hyperostosis. Calcium pyrophosphate deposition (CPPD) can involve numerous structures, such as hyaline cartilages, fibrocartilages, or tendons. CPPD arthropathy involves joints usually spared by osteoarthritis. Basic calcium phosphate deposits are periarticular or intraarticular...
September 2017: Radiologic Clinics of North America
https://www.readbyqxmd.com/read/28774250/vascularized-spare-parts-reconstruction-of-hand-gunshot-injury
#19
Nathan Patrick, Alexander Payatakes
Reconstruction of extensive traumatic bone and soft tissue deficits in the hand often presents a significant challenge. We present a case of a gunshot wound managed with a resourceful "vascularized spare parts" reconstruction in which a single compromised digit provided two separate vascularized tissue transfers. A rarely reported pedicled phalanx restored osseous stability, a digital fillet flap achieved soft tissue coverage, and the flexor tendons reanimated the hand. An excellent functional and cosmetic result was obtained and the patient was able to return to manual labor within six months of injury...
September 2017: Journal of Hand Surgery Asian-Pacific Volume
https://www.readbyqxmd.com/read/28770401/in-vitro-studies-to-evaluate-the-effect-of-varying-culture-conditions-and-ipl-fluencies-on-tenocyte-activities
#20
Jihad A M Alzyoud, Ilyas M Khan, Sarah G Rees
Tendons are dense, fibrous connective tissues which carry out the essential physiological role of transmitting mechanical forces from skeletal muscle to bone. From a clinical perspective, tendinopathy is very common, both within the sporting arena and amongst the sedentary population. Studies have shown that light therapy may stimulate tendon healing, and more recently, intense pulsed light (IPL) has attracted attention as a potential treatment modality for tendinopathy; however, its mechanism of action and effect on the tendon cells (tenocytes) is poorly understood...
August 3, 2017: Lasers in Medical Science
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