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Open Orthopaedics Journal

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https://www.readbyqxmd.com/read/28217217/the-effect-of-air-tourniquet-on-interleukin-6-levels-in-total-knee-arthroplasty
#1
Kenji Tsunoda, Motoki Sonohata, Hajime Kugisaki, Shinsuke Someya, Hidefumi Honke, Mitsunori Komine, Masataka Izumi, Shuya Ide, Masaaki Mawatari
BACKGROUND: Air tourniquet-induced skeletal muscle injury increases the concentrations of some cytokines such as interleukin-6 (IL-6) in plasma. However, the effect of an air tourniquet on the IL-6 concentrations after total knee arthroplasty (TKA) is unclear. We therefore investigated the impact of tourniquet-induced ischemia and reperfusion injury in TKA using the IL-6 level as an index. METHODS: Ten patients with primary knee osteoarthrosis who underwent unilateral TKA without an air tourniquet were recruited (Non-tourniquet group)...
2017: Open Orthopaedics Journal
https://www.readbyqxmd.com/read/28217216/repair-of-double-head-pectoralis-major-tendon-avulsion-into-its-native-footprint-using-bi-cortical-endobuttons-and-tendon-sliding-technique
#2
Jagadish Prabhu, Mohammed Khalid Faqi, Fahad Alkhalifa, Bader Kamal Tayara, Rashad Khamis Awad
Injuries to the pectoralis major muscle are relatively infrequent. The mechanism of injury is usually an eccentric shortening of the pectoralis major under heavy load, such as when performing a bench press exercise. We report a case that presented to us with a history of sudden pain in the left pectoral region while doing heavy bench press exercise. The patient sustained a type III D pectoralis muscle -tendon avulsion. Surgical repair was done through a bi-cortical tendon sliding technique using two cortical buttons...
2017: Open Orthopaedics Journal
https://www.readbyqxmd.com/read/28217215/the-bone-regeneration-using-bone-marrow-stromal-cells-with-moderate-concentration-platelet-rich-plasma-in-femoral-segmental-defect-of-rats
#3
Junichi Yamakawa, Junichi Hashimoto, Mitsuo Takano, Michiaki Takagi
BACKGROUND: Platelet-rich plasma (PRP) can provide an assortment of growth factors, but how PRP effects bone regeneration is still unknown. The aim of the study was to explore an optimal method of using PRP and bone marrow stromal cells (BMSCs). METHODS: An in vitro experiment was first conducted to determine an appropriate quantity of PRP. BMSCs were cultured with PRP of different concentrations to assess cell proliferation and osteogenic differentiation. Following the in vitro study, a rat femoral segmental defect model was used...
2017: Open Orthopaedics Journal
https://www.readbyqxmd.com/read/28217214/nanoscale-surface-modifications-of-orthopaedic-implants-state-of-the-art-and-perspectives
#4
Rmt Staruch, M F Griffin, Pem Butler
BACKGROUND: Orthopaedic implants such as the total hip or total knee replacement are examples of surgical interventions with postoperative success rates of over 90% at 10 years. Implant failure is associated with wear particles and pain that requires surgical revision. Improving the implant - bone surface interface is a key area for biomaterial research for future clinical applications. Current implants utilise mechanical, chemical or physical methods for surface modification. METHODS: A review of all literature concerning the nanoscale surface modification of orthopaedic implant technology was conducted...
2016: Open Orthopaedics Journal
https://www.readbyqxmd.com/read/28217213/nanohydroxyapatite-effect-on-the-degradation-osteoconduction-and-mechanical-properties-of-polymeric-bone-tissue-engineered-scaffolds
#5
Shima Salmasi, Leila Nayyer, Alexander M Seifalian, Gordon W Blunn
BACKGROUND: Statistical reports show that every year around the world approximately 15 million bone fractures occur; of which up to 10% fail to heal completely and hence lead to complications of non-union healing. In the past, autografts or allografts were used as the "gold standard" of treating such defects. However, due to various limitations and risks associated with these sources of bone grafts, other avenues have been extensively investigated through which bone tissue engineering; in particular engineering of synthetic bone graft substitutes, has been recognised as a promising alternative to the traditional methods...
2016: Open Orthopaedics Journal
https://www.readbyqxmd.com/read/28217212/carbon-nanostructures-in-bone-tissue-engineering
#6
Brian Lee Perkins, Naghmeh Naderi
BACKGROUND: Recent advances in developing biocompatible materials for treating bone loss or defects have dramatically changed clinicians' reconstructive armory. Current clinically available reconstructive options have certain advantages, but also several drawbacks that prevent them from gaining universal acceptance. A wide range of synthetic and natural biomaterials is being used to develop tissue-engineered bone. Many of these materials are currently in the clinical trial stage. METHODS: A selective literature review was performed for carbon nanostructure composites in bone tissue engineering...
2016: Open Orthopaedics Journal
https://www.readbyqxmd.com/read/28217211/a-review-of-current-regenerative-medicine-strategies-that-utilize-nanotechnology-to-treat-cartilage-damage
#7
R Kumar, M Griffin, P E Butler
BACKGROUND: Cartilage is an important tissue found in a variety of anatomical locations. Damage to cartilage is particularly detrimental, owing to its intrinsically poor healing capacity. Current reconstructive options for cartilage repair are limited, and alternative approaches are required. Biomaterial science and Tissue engineering are multidisciplinary areas of research that integrate biological and engineering principles for the purpose of restoring premorbid tissue function. Biomaterial science traditionally focuses on the replacement of diseased or damaged tissue with implants...
2016: Open Orthopaedics Journal
https://www.readbyqxmd.com/read/28217210/nanotechnology-for-stimulating-osteoprogenitor-differentiation
#8
A Ibrahim, N W Bulstrode, I S Whitaker, D M Eastwood, D Dunaway, P Ferretti
BACKGROUND: Bone is the second most transplanted tissue and due to its complex structure, metabolic demands and various functions, current reconstructive options such as foreign body implants and autologous tissue transfer are limited in their ability to restore defects. Most tissue engineering approaches target osteoinduction of osteoprogenitor cells by modifying the extracellular environment, using scaffolds or targeting intracellular signaling mechanisms or commonly a combination of all of these...
2016: Open Orthopaedics Journal
https://www.readbyqxmd.com/read/28217209/an-update-on-the-application-of-nanotechnology-in-bone-tissue-engineering
#9
M F Griffin, D M Kalaskar, A Seifalian, P E Butler
BACKGROUND: Natural bone is a complex and hierarchical structure. Bone possesses an extracellular matrix that has a precise nano-sized environment to encourage osteoblasts to lay down bone by directing them through physical and chemical cues. For bone tissue regeneration, it is crucial for the scaffolds to mimic the native bone structure. Nanomaterials, with features on the nanoscale have shown the ability to provide the appropriate matrix environment to guide cell adhesion, migration and differentiation...
2016: Open Orthopaedics Journal
https://www.readbyqxmd.com/read/28217208/nanoscale-surface-modifications-of-medical-implants-for-cartilage-tissue-repair-and-regeneration
#10
M F Griffin, M Szarko, A Seifailan, P E Butler
BACKGROUND: Natural cartilage regeneration is limited after trauma or degenerative processes. Due to the clinical challenge of reconstruction of articular cartilage, research into developing biomaterials to support cartilage regeneration have evolved. The structural architecture of composition of the cartilage extracellular matrix (ECM) is vital in guiding cell adhesion, migration and formation of cartilage. Current technologies have tried to mimic the cell's nanoscale microenvironment to improve implants to improve cartilage tissue repair...
2016: Open Orthopaedics Journal
https://www.readbyqxmd.com/read/28217207/an-update-into-the-application-of-nanotechnology-in-bone-healing
#11
K Brannigan, M Griffin
BACKGROUND: Bone differs from other organs in that it can regenerate and remodel without scar formation. There are instances of trauma, congenital bone disorder, bone disease and bone cancer where this is not possible. Without bone grafts and implants, deformity and disability would result. Human bone grafts are limited in their management of large or non-union fractures. In response, synthetic bone grafts and implants are available to the Orthopaedic Surgeon. Unfortunately these also have their limitations and associated complications...
2016: Open Orthopaedics Journal
https://www.readbyqxmd.com/read/28217206/the-role-of-arthroscopic-partial-meniscectomy-in-the-management-of-degenerative-meniscus-tears-a-review-of-the-recent-literature
#12
Mohsin Azam, Ravi Shenoy
BACKGROUND: The use of arthroscopic partial meniscectomy for middle aged to older adults with knee pain is one of the most common surgical procedures with approximately 150,000 knee arthroscopies being carried out in the United Kingdom each year, and about five times that number in the United States. Despite this, the procedure remains controversial. The aim of this paper is to provide a comprehensive review of the role of arthroscopic meniscectomy in patients with degenerative meniscus tears and suggest recommendations for clinical practice...
2016: Open Orthopaedics Journal
https://www.readbyqxmd.com/read/28217205/knee-arthritis-without-other-joint-symptoms-in-the-elderly-with-seronegative-elderly-onset-rheumatoid-arthritis
#13
Takatomo Mine, Koichiro Ihara, Hiroyuki Kawamura, Ryutaro Kuriyama, Ryo Date
Elderly onset Rheumatoid arthritis (EORA) has important clinical distinctions when compared with younger onset RA (YORA). In knee arthritis of elderly patients, infection, crystal-induced arthritis or EORA should be suspected if elevation of CRP in the preoperative examination and turbid joint effusion in their knee joint are found. Furthermore, if joint swelling and effusion remain after performing total knee arthroplasty (TKA), the infection after TKA, implant debris-related arthritis and EORA should be considered...
2016: Open Orthopaedics Journal
https://www.readbyqxmd.com/read/28217204/nerve-palsy-after-total-hip-arthroplasty-without-subtrochanteric-femoral-shortening-osteotomy-for-a-completely-dislocated-hip-joint
#14
Motoki Sonohata, Masaru Kitajima, Shunsuke Kawano, Masaaki Mawatari
BACKGROUND: Neurological injuries are a rare but devastating complication after total hip arthroplasty (THA). The purpose of this study was to retrospectively determine the frequency of nerve palsy after THA without subtrochanteric femoral shortening osteotomy in patients with a completely dislocated hip joint without pseudo-articulation between the femoral head and iliac bone. METHODS: Between October 1999 and September 2001, nine primary THAs were performed for patients with a completely dislocated hip joint...
2016: Open Orthopaedics Journal
https://www.readbyqxmd.com/read/28217203/long-term-survivorship-of-a-severely-notched-femoral-stem-after-replacing-the-fractured-ceramic-head-with-a-cobalt-chromium-head
#15
Andreas Panagopoulos, Irini Tatani, Panagiotis Megas
BACKGROUND: Although ceramic head fracture occurs infrequently today, in the event of a fracture, the resulting revision surgery can prove very challenging, since the ceramic particles lodge into the surrounding soft tissue and can cause rapid implant failure. CASE PRESENTATION: A case of long term survivorship of a severed notched femoral stem after replacing the fractured femoral head with a cobalt-chromium one is reported in a 40-year old woman with hip dysplasia who underwent an uncomplicated total hip arthroplasty...
2016: Open Orthopaedics Journal
https://www.readbyqxmd.com/read/28217202/open-pelvic-fractures-review-of-30-cases
#16
Vincenzo Giordano, Hilton Augusto Koch, Savino Gasparini, Felipe Serrão de Souza, Pedro José Labronici, Ney Pecegueiro do Amaral
BACKGROUND: Open pelvic fractures are rare but usually associated with a high incidence of complications and increased mortality rates. The aim of this study was to retrospectively evaluate all consecutive open pelvic fractures in patients treated at a single Level-1 Trauma Center during a 10-year interval. PATIENTS AND METHODS: In a 10-year interval, 30 patients with a diagnosis of open pelvic fracture were admitted at a Level-1 Trauma Center. A retrospective analysis was conducted on data obtained from the medical records, which included patient's age, sex, mechanism of injury, classification of the pelvic lesion, Injury Severity Score (ISS), emergency interventions, surgical interventions, length of hospital and Intensive Care Unit stay, and complications, including perioperative complications and death...
2016: Open Orthopaedics Journal
https://www.readbyqxmd.com/read/28217201/internal-fixation-versus-hemiarthroplasty-for-displaced-intra-capsular-femoral-neck-fractures-in-asa-3-5-geriatric-patients
#17
W Rezaie, W Wei, B I Cleffken, C H van der Vlies, B I Cleffken, G R Roukema
BACKGROUND: The treatment of choice for elderly with a displaced intra-capsular femoral neck fractures is prosthetic replacement. This is however a major surgical procedure for geriatric patients with multiple co-morbidities which can threaten hemodynamic stability and lead to death. In this study we compared the outcome of internal fixation (IF) versus hemiarthroplasty (HA) for the management of intra-capsular femoral neck fractures in the elderly with severe co-morbidities. METHODS: We conducted a retrospective cohort study of all the patients who were admitted to our Level-II trauma centre with a femoral neck fracture between January 2009 and June 2011...
2016: Open Orthopaedics Journal
https://www.readbyqxmd.com/read/28217200/outcomes-and-satisfaction-with-endoscopic-carpal-tunnel-releases-and-the-predictors-a-retrospective-cohort-study
#18
Alvin Chao-Yu Chen, Meng-Huang Wu, Chun-Ying Cheng, Yi-Sheng Chan
BACKGROUND: Patient's final satisfaction with endoscopic carpal tunnel release (ECTR) is still unpredictable. The study aims to find the predictive factors for satisfaction in patients with carpal tunnel syndrome (CTS) treated by ECTR using the Boston CTS questionnaire. METHODS: We conducted a retrospective chart review of 37 patients (55 hands) who received ECTR and completed Boston carpal tunnel questionnaire at preoperative visit, 1 month and 6 months after operation while a telephone interview was conducted at 2 years after operation...
2016: Open Orthopaedics Journal
https://www.readbyqxmd.com/read/28217199/a-qualitative-description-of-chronic-neck-pain-has-implications-for-outcome-assessment-and-classification
#19
REVIEW
Joy C MacDermid, David M Walton, Pavlos Bobos, Margaret Lomotan, Lisa Carlesso
BACKGROUND: Neck pain is common, but few studies have used qualitative methods to describe it. PURPOSE: To describe the quality, distribution and behavior of neck pain. METHODS: Sixteen people (15 females; mean age = 33 years (range = 20-69)) with neck pain >3 months were interviewed using a semi-structured guide. Interview data were recorded and transcribed verbatim. Descriptive content analysis was performed by two authors. Participants then completed an electronic descriptive pain tool, placing icons (word and icon descriptors to describe quality) on anatomic diagrams to identify location of pain, and intensity ratings at each location...
2016: Open Orthopaedics Journal
https://www.readbyqxmd.com/read/28217198/metacarpophalangeal-joint-arthrodesis-of-the-thumb-minimum-of-eight-months-follow-up
#20
Rasmus Wejnold Jørgensen, Stig Brorson, Claus Hjorth Jensen
BACKGROUND: Disorders of the thumb metacarpophalangeal (MCP) joint can lead to significant loss of function and pain. Thumb MCP arthrodesis following traumatic injuries is inadequately described and recent studies have questioned the outcome of this treatment. PURPOSE: The purpose of this study was to report outcome and disability following thumb MCP joint arthrodesis in the treatment of chronic instability after traumatic injuries. METHODS: A retrospective review of 26 patients operated on with MCP joint arthrodesis, median follow-up 42 months (8-104months)...
2016: Open Orthopaedics Journal
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